Powder filling machine with discharging sensing function

Abstract

The utility model relates to the technical field of powder filling, and discloses a powder filling machine with a discharging sensing function. The powder filling machine with the discharging induction function comprises a bottom plate, a limiting block is fixedly installed above the bottom plate, an infrared receiver and an infrared transmitter are fixedly installed in the limiting block, a PLC is fixedly installed on the left side of the bottom plate, during filling, a tank body shields infrared light emitted by the infrared transmitter, and the infrared light is emitted by the infrared receiver; when the infrared receiver does not receive infrared light, the adjusting piston is controlled to contract, the movable pipe moves downwards till the bottom end of the movable pipe makes contact with the bottom face of the tank body, and after powder enters the movable pipe through the discharging pipe, the powder is limited in the movable pipe; and after monitoring data of the pressure weighing sensor is reduced to a threshold value, the adjusting piston can be slowly lifted, and the powder in the movable pipe can enter the tank body, so that dust raising caused by the fact that the powder directly impacts the bottom surface of the tank body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a powder filling machine with a feeding induction function. Background Art

[0002] Filling machines are mainly a small category of packaging machines. From the perspective of material packaging, they can be divided into liquid filling machines, paste filling machines, powder filling machines and granule filling machines; from the perspective of the degree of production automation, they can be divided into semi-automatic filling machines and fully automatic filling production lines; powder filling machines are suitable for quantitative packaging of powdered and powdered materials.

[0003] An existing Chinese utility model patent with reference publication number CN214241277U discloses a powder filling machine with a material discharge detection function, comprising a base, a fixing device, a lifting frame, and a filling machine. The fixing device is mounted on the base, the lifting frame is mounted on the base and located behind the fixing device, and the filling machine is mounted on the lifting frame and located above the fixing device. The fixing device comprises a bracket, a sliding card, a sliding bar, a fixing claw, a fixed motor, a threaded rod, and a threaded tube. The bracket is mounted on the base, the sliding card is mounted on the bracket, the sliding card is symmetrically arranged in two groups, the sliding bar is slidably mounted on the sliding card, the fixing claw is mounted on the sliding bar, the fixed motor is mounted on the bracket and located between the two sliding cards, the threaded rod is mounted on the fixed motor output shaft, and the threaded tube is threadedly connected to the threaded rod and connected to the fixing claw. The filling machine comprises a filling barrel, a support rod, a diverter, and a distance pressure weighing sensor. The utility model relates to the application field of powder filling machines, specifically to a powder filling machine with a material discharge detection function.

[0004] In existing powder filling machines, powder directly falls into the can during filling, which may cause dust and lead to powder waste. At the same time, existing powder filling machines generally use an auger to transport powder. Due to the influence of the auger structure, after the auger stops, powder will slide down from the bottom of the auger, affecting the filling volume. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a powder filling machine with a feeding sensing function, which has the advantages of avoiding dust and being able to more accurately control the filling volume, thereby solving the above technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a powder filling machine with a feeding sensing function, comprising: a bottom plate, a limit block fixedly installed above the bottom plate, an infrared receiver and an infrared transmitter fixedly installed inside the limit block, a PLC controller fixedly installed on the left side of the bottom plate, an adjusting piston fixedly installed above the bottom plate, a movable tube fixedly installed on the upper end of the adjusting piston, a support column fixedly installed above the bottom plate, a pressure weighing sensor fixedly installed above the support column, a bracket fixedly installed above the pressure weighing sensor, the A hopper is fixedly installed above the bracket, a connecting frame is fixedly installed above the hopper, a driving motor is fixedly installed at the center of the connecting frame, a main shaft is fixedly installed at the lower end of the rotating shaft of the driving motor, an auger is fixedly installed on the outside of the main shaft, a limiting frame is fixedly installed at the bottom end of the hopper, a connecting pipe is fixedly installed at the bottom of the hopper, a unloading shaft is inserted into the inside of the connecting pipe, a unloading motor is fixedly installed at one end of the unloading shaft, a fixing frame is fixedly installed on the outside of the unloading motor, and a unloading pipe is fixedly installed at the lower end of the connecting pipe; the bottom plate can support the support column.

[0009] As the preferred technical solution of the present invention, the limit blocks are symmetrically installed on the left and right sides of the base plate, the infrared receiver is fixedly installed inside the limit block on the left side of the base plate, and the infrared transmitter is fixedly installed inside the limit block on the right side of the base plate; the limit blocks can limit the positions of the infrared receiver and the infrared transmitter.

[0010] As an optimal technical solution of the present invention, the adjusting piston is symmetrically installed above the base plate, and a raised structure is provided on the front and rear sides of the top of the movable tube. The bottom surface of the raised structure of the movable tube is fixedly connected to the top of the adjusting piston; the adjusting piston can adjust the position of the movable tube.

[0011] As the preferred technical solution of the present invention, the movable tube is movably connected to the base plate through the regulating piston, and the support column is symmetrically installed on the right side of the top surface of the base plate; the movable tube can limit the position of the powder.

[0012] As an optimal technical solution of the present invention, the bottom end of the bracket is fixedly connected to the pressure weighing sensors on the front and rear sides, the silo is fixedly connected to the bottom plate through the bracket, and the drive motor is fixed above the center of the silo through a connecting frame; the bracket can limit the position of the silo.

[0013] As an optimal technical solution of the present invention, the bottom end of the main shaft is located at the center of the limit frame, the outer edge of the auger contacts the inner wall of the cylindrical structure at the bottom end of the silo, and the limit frame forms a rotational connection with the main shaft through a bearing; the main shaft can drive the auger to rotate.

[0014] As an optimal technical solution of the present invention, a rotational connection is formed between the unloading shaft and the connecting pipe, and a plate-like structure is distributed in a ring shape on the outside of the unloading shaft with the center of the unloading shaft as the reference, and the outer edge of the plate-like structure of the unloading shaft contacts the inner wall of the connecting pipe, and the unloading pipe is inserted into the interior of the movable pipe, and a sliding connection is formed between the unloading pipe and the movable pipe; the unloading pipe can facilitate the powder to enter the interior of the movable pipe.

[0015] Compared with the existing technology, the present invention provides a powder filling machine with a feeding sensing function, which has the following beneficial effects:

[0016] 1. The utility model is provided with a movable tube, and the adjusting piston is symmetrically installed above the bottom plate. The front and rear sides of the top of the movable tube are provided with a raised structure, and the bottom surface of the raised structure of the movable tube is fixedly connected to the top of the adjusting piston. The movable tube is movably connected with the bottom plate through the adjusting piston. The discharge pipe is inserted into the interior of the movable tube, and a sliding connection is formed between the discharge pipe and the movable tube. During filling, the tank body blocks the infrared light emitted by the infrared transmitter. When the infrared receiver does not receive the infrared light, the adjusting piston will be controlled to contract, causing the movable tube to move downward until the bottom end of the movable tube contacts the bottom surface of the tank body. After the powder enters the movable tube through the discharge pipe, it will be confined inside the movable tube. Afterwards, when the monitoring data of the pressure weighing sensor is reduced to a threshold value, the adjusting piston will slowly lift, and the powder inside the movable tube will enter the tank body, thereby preventing the powder from directly hitting the bottom surface of the tank body and generating dust.

[0017] 2. The utility model forms a rotational connection between the unloading shaft and the connecting pipe through the setting of the unloading shaft. The outer side of the unloading shaft is provided with a plate-like structure distributed in a ring shape with the center of the unloading shaft as the reference, and the outer edge of the plate-like structure of the unloading shaft contacts the inner wall of the connecting pipe. One end of the unloading shaft is fixedly connected with the rotating shaft of the unloading motor by means of insertion. The unloading motor can drive the unloading shaft to rotate. When the unloading shaft rotates, the powder above the connecting pipe will be driven to rotate downward to facilitate the powder to enter the inside of the unloading pipe. After the unloading shaft stops, the position of the powder will be restricted by the unloading shaft and cannot enter the inside of the unloading pipe, thereby preventing the powder at the bottom end of the auger from sliding after the auger stops, thereby affecting the filling volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the infrared receiver of the utility model;

[0020] Figure 3 This is a schematic diagram of the silo installation structure of the utility model;

[0021] Figure 4This is a schematic diagram of the installation structure of the discharge shaft of the utility model;

[0022] Among them: 1. Base plate; 11. Limit block; 12. Infrared receiver; 13. Infrared transmitter; 14. PLC controller; 15. Adjusting piston; 16. Movable tube; 17. Support column; 18. Pressure weighing sensor; 2. Bracket; 21. Silo; 22. Connecting frame; 23. Drive motor; 24. Spindle; 25. Auger; 26. Limit frame; 27. Connecting pipe; 28. Discharge shaft; 29. ​​Discharge motor; 210. Fixed frame; 211. Discharge pipe. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a powder filling machine with a feeding sensing function includes: a base plate 1, a limit block 11 is fixedly installed above the base plate 1, an infrared receiver 12 and an infrared transmitter 13 are fixedly installed inside the limit block 11, a PLC controller 14 is fixedly installed on the left side of the base plate 1, an adjusting piston 15 is fixedly installed above the base plate 1, a movable tube 16 is fixedly installed on the upper end of the adjusting piston 15, a support column 17 is fixedly installed above the base plate 1, and a pressure weighing sensor 18 is fixedly installed above the support column 17.

[0027] The limit blocks 11 are symmetrically installed on the left and right sides of the base plate 1, the infrared receiver 12 is fixedly installed inside the limit block 11 on the left side of the base plate 1, and the infrared transmitter 13 is fixedly installed inside the limit block 11 on the right side of the base plate 1.

[0028] The regulating piston 15 is symmetrically installed above the bottom plate 1 , and a protrusion structure is provided on both sides of the front and rear ends of the top of the movable tube 16 . The bottom surface of the protrusion structure of the movable tube 16 is fixedly connected to the top of the regulating piston 15 .

[0029] The movable tube 16 is movably connected to the base plate 1 through the adjusting piston 15 , and the support column 17 is symmetrically installed on the right side of the top surface of the base plate 1 .

[0030] Specifically, the base plate 1 can support the support column 17, the limit block 11 can limit the position of the infrared receiver 12 and the infrared transmitter 13, the infrared receiver 12 can receive infrared signals, the infrared transmitter 13 can send infrared signals, the PLC controller 14 can control the extension and retraction of the regulating piston 15 and the start and stop of the drive motor 23 and the unloading motor 29, the regulating piston 15 can adjust the position of the movable tube 16, the movable tube 16 can limit the position of the powder, the support column 17 can support the pressure weighing sensor 18, and the pressure weighing sensor 18 can monitor the weight of the powder inside the silo 21.

[0031] A bracket 2 is fixedly installed above the pressure weighing sensor 18, a silo 21 is fixedly installed above the bracket 2, a connecting frame 22 is fixedly installed above the silo 21, a driving motor 23 is fixedly installed at the center of the connecting frame 22, a main shaft 24 is fixedly installed at the lower end of the rotating shaft of the driving motor 23, an auger 25 is fixedly installed on the outside of the main shaft 24, a limiting frame 26 is fixedly installed at the bottom end of the silo 21, a connecting pipe 27 is fixedly installed at the bottom of the silo 21, a discharge shaft 28 is inserted into the inside of the connecting pipe 27, a discharge motor 29 is fixedly installed at one end of the discharge shaft 28, a fixing frame 210 is fixedly installed on the outside of the discharge motor 29, and a discharge pipe 211 is fixedly installed at the lower end of the connecting pipe 27.

[0032] The bottom end of the bracket 2 is fixedly connected to the pressure weighing sensors 18 on the front and rear sides. The silo 21 is fixedly connected to the bottom plate 1 through the bracket 2. The drive motor 23 is fixed above the center of the silo 21 through the connecting frame 22.

[0033] The bottom end of the main shaft 24 is located at the center of the limiting frame 26, the outer edge of the auger 25 contacts the inner wall of the cylindrical structure at the bottom end of the silo 21, and the limiting frame 26 is rotatably connected to the main shaft 24 through a bearing.

[0034] The unloading shaft 28 and the connecting pipe 27 are connected in a rotating manner. The outer side of the unloading shaft 28 is provided with a plate-like structure distributed in a ring shape with the center of the unloading shaft 28 as the reference, and the outer edge of the plate-like structure of the unloading shaft 28 contacts the inner wall of the connecting pipe 27. The unloading pipe 211 is inserted into the interior of the movable pipe 16, and a sliding connection is formed between the unloading pipe 211 and the movable pipe 16.

[0035] Specifically, the bracket 2 can limit the position of the silo 21, the silo 21 can take on a certain amount of powder, the connecting frame 22 can limit the position of the drive motor 23, the drive motor 23 can drive the main shaft 24 to rotate, the main shaft 24 can drive the auger 25 to rotate, the auger 25 can drive the powder to move downward, the limit frame 26 can limit the bottom end position of the main shaft 24, the connecting pipe 27 can limit the position of the powder, the discharge shaft 28 can drive the powder to rotate and prevent the powder from falling when it stops, the discharge motor 29 can drive the discharge shaft 28 to rotate, the fixed frame 210 can limit the position of the discharge motor 29, and the discharge pipe 211 can facilitate the powder to enter the movable tube 16.

[0036] When in use, the regulating piston 15 is symmetrically installed above the bottom plate 1, and a convex structure is provided on the front and rear sides of the top of the movable tube 16. The bottom surface of the convex structure of the movable tube 16 is fixedly connected to the top of the regulating piston 15. The movable tube 16 is movably connected to the bottom plate 1 through the regulating piston 15. The discharge pipe 211 is inserted into the interior of the movable tube 16, and a sliding connection is formed between the discharge pipe 211 and the movable tube 16. When filling is carried out, the tank body blocks the infrared light emitted by the infrared transmitter 13. When the infrared receiver 12 does not receive the infrared light, the regulating piston 15 will be controlled to contract, so that the movable tube 16 moves downward until the bottom end of the movable tube 16 contacts the bottom surface of the tank body. After the powder enters the movable tube 16 through the discharge pipe 211, it will be confined inside the movable tube 16. Thereafter, when the monitoring data of the pressure weighing sensor 18 decreases to the threshold, the regulating piston 15 The powder in the movable tube 16 will enter the tank body, thereby preventing the powder from directly hitting the bottom of the tank body and generating dust. A rotational connection is formed between the discharge shaft 28 and the connecting tube 27. The outer side of the discharge shaft 28 is provided with a plate-like structure in a ring shape with the center of the discharge shaft 28 as the reference, and the outer edge of the plate-like structure of the discharge shaft 28 contacts the inner wall of the connecting tube 27. One end of the discharge shaft 28 is fixedly connected with the rotating shaft of the discharge motor 29 by an interlaced manner. The discharge motor 29 can drive the discharge shaft 28 to rotate. When the discharge shaft 28 rotates, the powder above the connecting tube 27 will be driven to rotate downward to facilitate the powder to enter the discharge tube 211. After the discharge shaft 28 stops, the position of the powder will be restricted by the discharge shaft 28 and cannot enter the discharge tube 211, thereby preventing the powder at the bottom end of the auger 25 from sliding after the auger 25 stops, thereby affecting the filling amount.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder filling machine with feeding sensing function, characterized in that: include: A bottom plate (1) is fixedly installed on the top of the bottom plate (1), an infrared receiver (12) and an infrared transmitter (13) are fixedly installed inside the limit block (11), a PLC controller (14) is fixedly installed on the left side of the bottom plate (1), an adjusting piston (15) is fixedly installed on the top of the bottom plate (1), a movable tube (16) is fixedly installed on the upper end of the adjusting piston (15), a support column (17) is fixedly installed on the top of the bottom plate (1), a pressure weighing sensor (18) is fixedly installed on the top of the support column (17), a bracket (2) is fixedly installed on the top of the pressure weighing sensor (18), a silo (21) is fixedly installed on the top of the bracket (2), and the silo A connecting frame (22) is fixedly installed above the (21), a driving motor (23) is fixedly installed at the center of the connecting frame (22), a main shaft (24) is fixedly installed at the lower end of the rotating shaft of the driving motor (23), an auger (25) is fixedly installed on the outer side of the main shaft (24), a limiting frame (26) is fixedly installed at the bottom end of the silo (21), a connecting pipe (27) is fixedly installed below the silo (21), a discharge shaft (28) is inserted into the interior of the connecting pipe (27), a discharge motor (29) is fixedly installed at one end of the discharge shaft (28), a fixing frame (210) is fixedly installed on the outer side of the discharge motor (29), and a discharge pipe (211) is fixedly installed at the lower end of the connecting pipe (27).

2. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The limit blocks (11) are symmetrically mounted on the left and right sides of the base plate (1), the infrared receiver (12) is fixedly mounted inside the limit block (11) on the left side of the base plate (1), and the infrared transmitter (13) is fixedly mounted inside the limit block (11) on the right side of the base plate (1).

3. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The regulating piston (15) is symmetrically mounted on the top of the base plate (1) in front and back directions. The front and rear sides of the top of the movable tube (16) are provided with raised structures. The bottom surface of the raised structure of the movable tube (16) is fixedly connected to the top of the regulating piston (15).

4. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The movable tube (16) is movably connected to the bottom plate (1) via the regulating piston (15), and the support column (17) is symmetrically installed on the right side of the top surface of the bottom plate (1).

5. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The bottom end of the bracket (2) is fixedly connected to the pressure weighing sensors (18) on the front and rear sides, the silo (21) is fixedly connected to the bottom plate (1) through the bracket (2), and the drive motor (23) is fixed above the center of the silo (21) through the connecting frame (22).

6. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The bottom end of the main shaft (24) is located at the center of the limiting frame (26), the outer edge of the auger (25) contacts the inner wall of the cylindrical structure at the bottom end of the silo (21), and the limiting frame (26) is rotatably connected to the main shaft (24) through a bearing.

7. The powder filling machine with a feeding sensing function according to claim 1, characterized in that: The discharge shaft (28) and the connecting pipe (27) are connected in a rotating manner. The outer side of the discharge shaft (28) is provided with a plate-like structure distributed in an annular manner with the center of the discharge shaft (28) as a reference, and the outer edge of the plate-like structure of the discharge shaft (28) contacts the inner wall of the connecting pipe (27). The discharge pipe (211) is inserted into the interior of the movable pipe (16), and a sliding connection is formed between the discharge pipe (211) and the movable pipe (16).

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