Automatic weighing equipment capable of continuously and uniformly metering and feeding

Abstract

The utility model discloses automatic weighing equipment capable of continuously and uniformly metering and feeding. The automatic weighing equipment comprises a feeding bin, a weighing mechanism and a feeding mechanism, a knife valve mechanism is arranged at the upper end of the feeding bin; the weighing mechanism comprises a fixed seat, a connecting plate, a weighing sensor and a hopper, the fixed seat is fixedly connected to the bottom wall of the feeding bin, the weighing sensor is fixedly connected to the upper end of the fixed seat, the connecting plate is fixedly connected to the front end of the weighing sensor, and the hopper is inserted into the connecting plate; the feeding mechanism is arranged on the lower surface of the feeding bin, the knife valve mechanism, the hopper and the feeding mechanism correspond to one another in the vertical direction, the automatic weighing equipment further comprises a control mechanism, the control mechanism comprises a control box, a switching power supply, a circuit board, a driver and an alarm lamp, and the control box is fixedly connected to the right side face of the feeding bin. High-precision continuous and uniform metering is achieved in a dynamic continuous weighing mode, and high-efficiency metering feeding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing measurement, in particular to an automatic weighing device for continuous and uniform metering feeding. Background Technique

[0002] The main function of a feeder is to transfer feed from a storage device to places where feed is needed, such as animal pastures, poultry houses, plantations, etc. It can accurately measure the feed and perform automatic feeding according to set parameters to ensure that animals or crops receive an appropriate amount of feed. The function of the feeder is not limited to providing feed, but also includes ensuring the uniform distribution of feed and avoiding waste. It has a wide range of applications in industrial production, agricultural and livestock production, and other fields, and plays an important role in improving production efficiency and quality.

[0003] When feeding, quantitative feeding is usually required. Usually, workers weigh or use other methods for intermittent weighing and batching. The intermittent batching method requires repeated addition and weighing, with poor accuracy in batching, being more cumbersome and having low production efficiency. For this reason, we propose an automatic weighing device for continuous and uniform metering feeding. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects, provide an automatic weighing device for continuous and uniform metering feeding, achieve high-precision continuous and uniform metering through dynamic continuous weighing, and realize high-efficiency metering feeding, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automatic weighing device for continuous and uniform metering feeding, including a feeding bin, a weighing mechanism, and a feeding mechanism;

[0006] Feeding bin: A knife valve mechanism is arranged at its upper end;

[0007] Weighing mechanism: It includes a fixed seat, a connecting plate, a weighing sensor, and a hopper. The bottom wall of the feeding bin is fixedly connected to the fixed seat, the upper end of the fixed seat is fixedly connected to the weighing sensor, the front end of the weighing sensor is fixedly connected to the connecting plate, and the hopper is inserted into the inside of the connecting plate;

[0008] Feeding mechanism: It is arranged on the lower surface of the feeding bin, and the knife valve mechanism, the hopper, and the feeding mechanism are corresponding in the up and down positions, achieving high-precision continuous and uniform metering through dynamic continuous weighing, and realizing high-efficiency metering feeding.

[0009] Further, it further includes a control mechanism, which includes a control box, a switching power supply, a circuit board, a driver, and an alarm light. The right side of the feeding bin is fixedly connected with the control box. The right inner wall of the control box is provided with the circuit board. The left inner wall of the control box is fixedly connected with the switching power supply. The upper end of the right inner wall of the control box is fixedly connected with the driver. The upper surface of the control box is provided with the alarm light. The input end of the switching power supply is electrically connected to an external power supply. The input end of the circuit board is electrically connected to the output end of the switching power supply. The weighing sensor is bidirectionally electrically connected to the circuit board. The input ends of the driver and the alarm light are electrically connected to the output end of the circuit board to control the electrical appliances of the equipment.

[0010] Further, the weighing mechanism further includes a window. A window is opened at the lower end of the front side of the feeding bin. The window corresponds to the connecting plate in the front and back positions to observe the material conveying situation.

[0011] Further, the weighing mechanism further includes a protective cover. The upper end of the fixed seat is bolted with a protective cover. The weighing sensor is located inside the protective cover to protect the weighing sensor.

[0012] Further, the knife valve mechanism includes a feed inlet, a knife valve cover, a guide rod, a knife valve plate, a connecting seat, and a cylinder. The top wall of the feeding bin is fixedly connected with the knife valve cover. The knife valve cover corresponds to the hopper in the up and down positions. The upper end of the knife valve cover is fixedly connected with the feed inlet. The feed inlet passes through the through hole in the top wall of the feeding bin. The rear side of the knife valve cover is fixedly connected with the cylinder. The telescopic end of the cylinder is fixedly connected with the knife valve plate through the connecting seat. Between the front and rear inner walls of the knife valve cover, there are fixedly connected guide rods symmetrically distributed left and right. The knife valve plate is slidably connected between the two guide rods. The air inlet of the cylinder is connected to the air outlet of an external air pump. The cylinder moves repeatedly to control the entry of materials.

[0013] Further, the feeding mechanism includes a motor, a reducer, a cavity, a screw barrel, and a screw rod. The lower surface of the feeding bin is bolted with the cavity. The lower end of the hopper is inserted into the cavity. The front side of the motor is fixedly connected with the reducer. The output shaft of the motor is fixedly connected with the input shaft of the reducer. The reducer is fixedly connected to the rear side of the cavity. The output shaft of the reducer is fixedly connected with the screw rod. A screw barrel is provided on the front side of the cavity. The screw rod is located inside the whole formed by the screw barrel and the cavity. The input end of the motor is electrically connected to the output end of the driver to realize the conveying of materials.

[0014] Further, the feeding mechanism further includes a connecting flange. The front side of the cavity is bolted with the connecting flange. The screw barrel is located inside the connecting flange and is connected to other processing devices.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: This automatic weighing equipment for continuous and uniform metering feeding has the following advantages:

[0016] Materials enter the hopper through the feed inlet. The circuit board controls the reciprocating motion of the cylinder to control the entry of materials into the hopper for weighing. The materials enter the cavity, and the rotation of the screw is controlled by the movement of the motor to achieve the purpose of material conveying. During the conveying process, the weighing sensor feeds back the change in the weight reduction of the materials in the hopper to the circuit board. The circuit board sends a signal to the circuit board according to the weight reduction rate of the materials in the weighing hopper, and the circuit board sends a motor control signal to the driver. The driver controls the rotation of the motor to change the rotation speed of the screw to achieve the purpose of quantitative feeding. By using a weighing sensor and based on the principle of weight loss, it can accurately complete continuous and uniform metering and feeding, improve the feeding accuracy of various shaped materials, reduce material waste, and improve production efficiency at the same time. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the present utility model;

[0018] Figure 2 It is a schematic cross-sectional structural diagram of the feeding bin of the present utility model;

[0019] Figure 3 It is a schematic cross-sectional structural diagram of the control box of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of the knife valve mechanism of the present utility model;

[0021] Figure 5 It is a schematic structural diagram of the feeding mechanism of the present utility model.

[0022] In the figure: 1 feeding bin, 2 control mechanism, 21 control box, 22 switching power supply, 23 circuit board, 24 driver, 25 alarm light, 3 weighing mechanism, 31 fixed seat, 32 connecting plate, 33 weighing sensor, 34 window, 35 protective cover, 36 hopper, 4 knife valve mechanism, 41 feed inlet, 42 knife valve cover, 43 guide rod, 44 knife valve plate, 45 connecting seat, 46 cylinder, 5 feeding mechanism, 51 motor, 52 reducer, 53 cavity, 54 connecting flange, 55 screw barrel, 56 screw. Detailed Implementation Manner

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , this embodiment provides a technical solution: an automatic weighing device for continuous and uniform metering and feeding, including a feeding bin 1, a weighing mechanism 3, and a feeding mechanism 5;

[0025] Feeding bin 1: A knife gate mechanism 4 is provided at its upper end. The knife gate mechanism 4 includes a feed inlet 41, a knife gate cover 42, a guide rod 43, a knife gate valve plate 44, a connecting seat 45, and a cylinder 46. The top wall of the feeding bin 1 is fixedly connected with the knife gate cover 42. The knife gate cover 42 corresponds to the hopper 36 in the vertical position. The upper end of the knife gate cover 42 is fixedly connected with the feed inlet 41. The feed inlet 41 passes through the through hole in the top wall of the feeding bin 1. The rear side of the knife gate cover 42 is fixedly connected with the cylinder 46. The telescopic end of the cylinder 46 is fixedly connected with the knife gate valve plate 44 through the connecting seat 45. Between the front and rear inner walls of the knife gate cover 42, there are fixedly connected guide rods 43 symmetrically distributed left and right. The knife gate valve plate 44 is slidably connected between the two guide rods 43. The air inlet of the cylinder 46 is connected to the air outlet of an external air pump. When approaching the weighing upper limit, the circuit board 23 controls the external air pump to start. The external air pump controls the telescopic end of the cylinder 46 to push out, and the knife gate valve plate 44 is pushed out to block the feed inlet 41;

[0026] Weighing mechanism 3: It includes a fixed seat 31, a connecting plate 32, a weighing sensor 33, and a hopper 36. The bottom wall of the feeding bin 1 is fixedly connected with the fixed seat 31. The upper end of the fixed seat 31 is fixedly connected with the weighing sensor 33. The front end of the weighing sensor 33 is fixedly connected with the connecting plate 32. The hopper 36 is inserted into the inside of the connecting plate 32. The weighing mechanism 3 further includes a viewing window 34. A viewing window 34 is opened at the lower end of the front side of the feeding bin 1. The viewing window 34 corresponds to the connecting plate 32 in the front and rear positions. The weighing mechanism 3 further includes a protective cover 35. The upper end of the fixed seat 31 is bolted with the protective cover 35. The weighing sensor 33 is located inside the protective cover 35. The material enters the inside of the hopper 36 from the feed inlet 41. The weighing sensor 33 weighs the hopper 36 and the material inside the hopper 36 through the connecting plate 32 and feeds it back to the circuit board 23. During transportation, the weighing sensor 33 feeds back the change in the reduction of the material weight in the hopper 36 to the circuit board 23. The circuit board 23 sends a motor control signal to the driver 24. The driver 24 controls the rotation of the motor 51 to change the rotation speed of the screw 56 to achieve the purpose of quantitative feeding;

[0027] Feeding mechanism 5: It is arranged on the lower surface of the feeding bin 1. The knife valve mechanism 4, the hopper 36 and the feeding mechanism 5 are corresponding in the up and down positions. The feeding mechanism 5 includes a motor 51, a reducer 52, a cavity 53, a screw barrel 55 and a screw 56. The lower surface of the feeding bin 1 is bolted with the cavity 53. The lower end of the hopper 36 is inserted into the interior of the cavity 53. The front side of the motor 51 is fixedly connected with the reducer 52. The output shaft of the motor 51 is fixedly connected with the input shaft of the reducer 52. The reducer 52 is fixedly connected to the rear side of the cavity 53. The output shaft of the reducer 52 is fixedly connected with the screw 56. The front side of the cavity 53 is provided with the screw barrel 55. The screw 56 is located inside the whole formed by the screw barrel 55 and the cavity 53. The input end of the motor 51 is electrically connected to the output end of the driver 24. The feeding mechanism 5 further includes a connecting flange 54. The front side of the cavity 53 is bolted with the connecting flange 54. The screw barrel 55 is located inside the connecting flange 54. The output shaft of the motor 51 drives the screw 56 to rotate through the reducer 52. The material is sent out by the screw 56 through the screw barrel 55. The screw barrel 55 is connected to the device for the next processing through the connecting flange 54.

[0028] Among them: It further includes a control mechanism 2. The control mechanism 2 includes a control box 21, a switching power supply 22, a circuit board 23, a driver 24 and an alarm lamp 25. The right side of the feeding bin 1 is fixedly connected with the control box 21. The right inner wall of the control box 21 is provided with the circuit board 23. The left inner wall of the control box 21 is fixedly connected with the switching power supply 22. The upper end of the right inner wall of the control box 21 is fixedly connected with the driver 24. The upper surface of the control box 21 is provided with the alarm lamp 25. The input end of the switching power supply 22 is electrically connected to an external power supply. The input end of the circuit board 23 is electrically connected to the output end of the switching power supply 22. The weighing sensor 33 is bidirectionally electrically connected to the circuit board 23. The input ends of the driver 24 and the alarm lamp 25 are electrically connected to the output end of the circuit board 23.

[0029] The working principle of an automatic weighing device for continuous and uniform metering feeding provided by the present utility model is as follows: The device is turned on through the switching power supply 22. Materials enter the interior of the hopper 36 from the feeding port 41. The weighing sensor 33 weighs the hopper 36 and the materials inside the hopper 36 through the connecting plate 32 and feeds back to the circuit board 23. When a fault occurs in the device, the circuit board 23 controls the alarm lamp 25 to light up. The protective cover 35 provides protection for the weighing sensor 33. Personnel can observe the material conveying process through the viewing window 34. When approaching the weighing upper limit, the circuit board 23 controls the external air pump to start. The external air pump controls the telescopic end of the air cylinder 46 to push out. The knife valve plate 44 is pushed out to block the feeding port 41. The guide rod 43 prevents the knife valve plate 44 from deviating during the pushing process. The circuit board 23 sends a starting signal of the motor 51 to the driver 24. The driver 24 controls the motor 51 to start. The output shaft of the motor 51 drives the screw 56 to rotate through the reducer 52. The materials are sent out by the screw 56 through the screw barrel 55. The screw barrel 55 is connected to the device for the next processing through the connecting flange 54. During the conveying, the weighing sensor 33 feeds back the change in the reduction of the material weight in the hopper 36 to the circuit board 23. The circuit board 23 sends a signal to the circuit board 23 according to the reduction rate of the material weight in the weighing hopper. The circuit board 23 sends a motor control signal to the driver 24. The driver 24 controls the rotation of the motor 51 to change the rotation speed of the screw 56 to achieve the purpose of quantitative feeding.

[0030] It should be noted that, in the above embodiments, the circuit board 23 disclosed can select the STM32F103VET6 microcontroller, the weighing sensor 33 can select the SB-A-7.5T weighing sensor, the motor 51 can select the HF-KN13 servo motor. The circuit board 23 controls the weighing sensor 33, the driver of the motor 51 and the alarm lamp 25 to work by using the commonly used methods in the prior art.

[0031] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An automatic weighing device for continuous and uniform metering feeding, characterized in that: It comprises a feeding bin (1), a weighing mechanism (3) and a feeding mechanism (5); Feeding bin (1): a knife valve mechanism (4) is provided at the upper end thereof; The weighing mechanism (3) comprises a fixed seat (31), a connecting plate (32), a weighing sensor (33) and a hopper (36); the bottom wall of the feeding bin (1) is fixedly connected to the fixed seat (31); the upper end of the fixed seat (31) is fixedly connected to the weighing sensor (33); the front end of the weighing sensor (33) is fixedly connected to the connecting plate (32); and the hopper (36) is plugged into the interior of the connecting plate (32); Feeding mechanism (5): It is arranged on the lower surface of the feeding bin (1), and the knife valve mechanism (4), the hopper (36) and the feeding mechanism (5) are located in corresponding upper and lower positions.

2. The automatic weighing device for continuous and uniform metering feeding according to claim 1 is characterized in that: The invention also comprises a control mechanism (2), wherein the control mechanism (2) comprises a control box (21), a switching power supply (22), a circuit board (23), a driver (24) and an alarm light (25); the right side surface of the feeding bin (1) is fixedly connected to the control box (21); the right inner wall of the control box (21) is provided with a circuit board (23); the left inner wall of the control box (21) is fixedly connected to the switching power supply (22); the upper end of the right inner wall of the control box (21) is fixedly connected to the driver (24); the upper surface of the control box (21) is provided with an alarm light (25); the input end of the switching power supply (22) is electrically connected to an external power supply; the input end of the circuit board (23) is electrically connected to the output end of the switching power supply (22); the weighing sensor (33) is bidirectionally electrically connected to the circuit board (23); and the input ends of the driver (24) and the alarm light (25) are electrically connected to the output end of the circuit board (23).

3. The automatic weighing device for continuous and uniform metering feeding according to claim 1 is characterized in that: The weighing mechanism (3) further comprises a viewing window (34). The viewing window (34) is provided at the lower end of the front side of the feeding bin (1), and the viewing window (34) corresponds to the front and rear positions of the connecting plate (32).

4. The automatic weighing device for continuous and uniform metering feeding according to claim 1 is characterized in that: The weighing mechanism (3) further comprises a protective cover (35), the upper end of the fixing seat (31) is connected to the protective cover (35) via bolts, and the weighing sensor (33) is located inside the protective cover (35).

5. The automatic weighing device for continuous and uniform metering feeding according to claim 1, characterized in that: The knife valve mechanism (4) comprises a feed port (41), a knife valve cover (42), a guide rod (43), a knife valve plate (44), a connecting seat (45) and a cylinder (46). The top wall of the feeding bin (1) is fixedly connected with the knife valve cover (42), the knife valve cover (42) corresponds to the upper and lower positions of the hopper (36), the upper end of the knife valve cover (42) is fixedly connected with the feed port (41), the feed port (41) passes through the through hole of the top wall of the feeding bin (1), the rear side of the knife valve cover (42) is fixedly connected with the cylinder (46), the telescopic end of the cylinder (46) is fixedly connected with the knife valve plate (44) through the connecting seat (45), the guide rods (43) symmetrically distributed on the left and right are fixedly connected between the inner walls on the front and rear sides of the knife valve cover (42), the knife valve plate (44) is slidably connected between the two guide rods (43), and the air inlet of the cylinder (46) is connected to the air outlet of an external air pump.

6. The automatic weighing device for continuous and uniform metering feeding according to claim 2, characterized in that: The feeding mechanism (5) comprises a motor (51), a reducer (52), a cavity (53), a screw barrel (55) and a screw rod (56); the lower surface of the feeding bin (1) is connected to the cavity (53) by bolts; the lower end of the hopper (36) is inserted into the cavity (53); the front side of the motor (51) is fixedly connected to the reducer (52); the output shaft of the motor (51) is fixedly connected to the input shaft of the reducer (52); the reducer (52) is fixedly connected to the rear side of the cavity (53); the output shaft of the reducer (52) is fixedly connected to the screw rod (56); the front side of the cavity (53) is provided with a screw barrel (55); the screw rod (56) is located inside the integral body composed of the screw barrel (55) and the cavity (53); the input end of the motor (51) is electrically connected to the output end of the driver (24).

7. The automatic weighing device for continuous and uniform metering feeding according to claim 6, characterized in that: The feeding mechanism (5) further comprises a connecting fara (54), the front side of the cavity (53) being connected to the connecting fara (54) via bolts, and the screw barrel (55) being located inside the connecting fara (54).

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