Quantitative packing device for fertilizer processing

Abstract

The invention relates to the technical field of fertilizer processing equipment, in particular to a fertilizer processing quantitative packaging device which comprises a conveying mechanism, a weighing mechanism, a packaging mechanism and a regulation and control mechanism. The conveying mechanism improves the flowability of the fertilizer through a splitter plate and a vibrator; the weighing mechanism uses a buffer assembly and an adjusting ring to improve the weighing precision; the packaging mechanism adopts a heat sealing assembly and a pressing wheel to ensure efficient sealing; and the regulation and control mechanism realizes automatic operation through a controller. The device solves the limitation of existing equipment on fertilizer weighing precision and stability, is suitable for fertilizers with different particle sizes and density differences, reduces metering deviation and improves packaging efficiency and quality.

Description

Technical Field

[0001] The invention belongs to the technical field of fertilizer processing equipment, and in particular relates to a fertilizer processing quantitative packaging device. Background Art

[0002] Fertilizer processing and quantitative packaging is a process technology that accurately packages fertilizer according to preset weight or volume, and is widely used in agricultural production and logistics.

[0003] During the packaging process, mechanical equipment is typically used to weigh, transport, and package fertilizers, achieving efficient and accurate packaging operations. However, existing equipment has certain limitations in fertilizer weighing accuracy and stability, particularly when processing fertilizers with varying particle sizes or large differences in density, which can easily lead to metering errors. Furthermore, during continuous operation, some equipment may experience reduced packaging efficiency or unstable packaging quality due to changes in material flow or wear of mechanical components, thus affecting overall production efficiency. Therefore, the present invention provides a fertilizer processing and quantitative packaging device. Summary of the Invention

[0004] The present invention aims to provide a fertilizer processing and quantitative packaging device that addresses the limitations of existing equipment in fertilizer weighing accuracy and stability, as discussed in the background art. This is particularly true when processing fertilizers with varying particle sizes or densities, which can easily lead to metering errors. Furthermore, the present invention provides a novel technical solution to address the challenges of packaging efficiency and quality during continuous operation, which can be affected by changes in material flowability or wear of mechanical components.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a fertilizer processing and quantitative packaging device, comprising a conveying mechanism, a weighing mechanism, a packaging mechanism, and a control mechanism. The conveying mechanism is used to transport fertilizer from a storage bin to the weighing mechanism. A diverter plate is provided at the end of the conveying mechanism. The diverter plate has multiple guide grooves and is connected to the sidewalls of the conveying mechanism via elastic members to accommodate the flow of fertilizer of varying particle sizes. The weighing mechanism is located below the end of the conveying mechanism and contains a weighing platform. A pressure sensor is mounted at the bottom of the weighing platform and is connected to the control mechanism via a signal line for real-time monitoring of fertilizer weight changes. An adjustment ring is provided on the outside of the weighing mechanism, and multiple sets of limit rods are fixed inside the adjustment ring. The limit rods engage the edges of the weighing platform to prevent fertilizer accumulation and weighing errors. The packaging mechanism is located below the weighing mechanism and contains a heat sealing assembly. Pinch rollers are mounted on either side of the heat sealing assembly and are connected to a drive motor via a transmission belt to seal the packaging bag. The regulating mechanism includes a controller and an execution module. The controller receives a signal from the pressure sensor and sends an instruction to the execution module according to a preset value.

[0006] Preferably, the conveying mechanism includes a conveyor belt and a drive roller. The surface of the conveyor belt is provided with anti-slip patterns arranged in a grid pattern to improve the stability of the fertilizer during transportation. One end of the drive roller is connected to a servo motor via a coupling. The output shaft of the servo motor is equipped with an encoder for recording the operating speed and position of the conveyor belt and transmitting the data to the control mechanism.

[0007] Preferably, the weighing mechanism also includes a buffer assembly, which comprises a spring sheet fixed to the bottom of the weighing platform and a damping block disposed outside the spring sheet. The damping block is made of a polymer and can absorb vibrations generated by the weighing platform when it is subjected to force, thereby improving weighing accuracy. A handwheel is provided on the outside of the adjustment ring and is connected to the adjustment ring via a threaded rod. Rotating the handwheel drives the adjustment ring up and down to adjust the gap between the limit rod and the weighing platform.

[0008] Preferably, the heat-sealing assembly of the sealing mechanism includes a heating plate and a cooling plate. The heating plate is coated with a high-temperature-resistant coating, and the cooling plate is internally provided with a circulating water channel connected to an external cooling water tank via a pipe. Guide rods are mounted on either side of the heat-sealing assembly, each with a return spring sleeved on its outer side. One end of the return spring is fixed to the heat-sealing assembly, and the other end is connected to the housing of the sealing mechanism, thereby resetting the heat-sealing assembly after heat sealing is completed.

[0009] Preferably, the execution module of the control mechanism includes a solenoid valve and a cylinder. The solenoid valve is connected to the cylinder through an air pipe. The piston rod of the cylinder is fixed to the pressure wheel bracket of the packaging mechanism. The controller controls the opening and closing of the solenoid valve according to the signal of the pressure sensor, thereby driving the cylinder to move and adjust the position of the pressure wheel.

[0010] Preferably, a scraper assembly is provided at the bottom of the diverter plate, and the scraper assembly includes a scraper and a support rod. The scraper is connected to the support rod through a hinge, and an adjusting bolt is fixed to the end of the support rod. Rotating the adjusting bolt can change the angle of the scraper to adapt to the flow requirements of fertilizers with different particle sizes.

[0011] Preferably, a protective cover is provided on the outside of the weighing mechanism. The protective cover is made of transparent plastic and has an observation window at the top with a magnifying lens embedded in it, allowing the operator to easily view details during the weighing process. A sealing ring is provided at the bottom of the protective cover, which fits tightly against the housing of the weighing mechanism to prevent external dust from entering and affecting the weighing accuracy.

[0012] Preferably, a vibrator is installed on the side wall of the conveying mechanism, and the output end of the vibrator is connected to the diverter plate through a connecting rod. The frequency of the vibrator can be adjusted by a regulating mechanism to improve the fluidity of the fertilizer during the conveying process.

[0013] Preferably, an anti-slip layer is provided on the outside of the pressure wheel of the packaging mechanism. The material of the anti-slip layer is rubber. The surface of the anti-slip layer is provided with a raised structure. The raised structure is distributed in a wave shape to increase the friction between the pressure wheel and the packaging bag to ensure the sealing effect.

[0014] Preferably, the controller of the control mechanism uses a single-chip microcomputer as the core processor, the input end of the single-chip microcomputer is connected to the pressure sensor and the encoder, and the output end is connected to the solenoid valve and the servo motor. The controller has preset parameter models of various fertilizers, and the corresponding model can be selected for automatic adjustment according to actual needs.

[0015] Compared with the prior art, the technical solution of the present invention has the following characteristics: The conveying mechanism designed in the present invention can effectively improve the fluidity problem of fertilizer during the conveying process through the cooperation of the diverter plate and the vibrator. In particular, for fertilizers with uneven particle size or large density differences, the guide groove and scraper assembly on the diverter plate can evenly distribute the material flow, avoiding weighing errors caused by accumulation or blockage.

[0016] The weighing mechanism designed in this invention significantly improves weighing accuracy and stability through the cooperation of a buffer assembly and an adjustment ring. The spring plate and damping block in the buffer assembly absorb vibrations of the weighing platform when it is subjected to force, while the adjustment ring and limit rod limit the distribution range of fertilizer on the weighing platform, thereby reducing errors caused by fertilizer accumulation or uneven distribution.

[0017] The sealing mechanism designed in this invention achieves efficient and stable sealing through the cooperation of a heat sealing assembly and a pressure wheel. The heating and cooling plates in the heat sealing assembly enable rapid sealing, while the anti-slip layer on the outside of the pressure wheel ensures a secure seal and prevents sealing failures caused by insufficient friction.

[0018] The control mechanism designed in this invention achieves automated operation of the entire device through the cooperation of a controller and an execution module. The controller can adjust the operating status of the conveying mechanism and packaging mechanism in real time based on signals from the pressure sensor and encoder, thereby adapting to the packaging requirements of different fertilizers and improving production efficiency and packaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a three-dimensional diagram of the device in the present invention; Figure 2 It is a structural schematic diagram of the weighing mechanism in the present invention; Figure 3 It is a structural diagram of the packaging mechanism in the present invention; Figure 4It is a structural diagram of the control mechanism in the present invention; Figure 5 yes Figure 4 Schematic diagram of the structure of the middle conveyor belt; In the figure: 1. Conveying mechanism; 2. Weighing mechanism; 3. Packaging mechanism; 4. Control mechanism; 5. Conveyor belt; 6. Diverter plate; 7. Elastic part; 8. Weighing platform; 9. Pressure sensor; 10. Adjusting ring; 11. Limiting rod; 12. Heat sealing assembly; 13. Pressure wheel; 14. Controller; 15. Execution module; 16. Anti-slip groove; 17. Buffer assembly; 18. Handwheel; 19. Scraper assembly; 20. Protective cover; 21. Vibrator. DETAILED DESCRIPTION

[0021] The present invention provides a fertilizer processing quantitative packaging device, the structure of which is as follows: Figure 1-5 As shown, the device comprises a conveying mechanism 1, a weighing mechanism 2, a packaging mechanism 3, and a control mechanism 4. These mechanisms, through their rational layout and close coordination, achieve automated operations from conveying, weighing, to packaging of fertilizers. The following will describe in detail the specific implementation of the device in conjunction with the accompanying drawings.

[0022] The conveying mechanism 1 is the starting part of the entire device, and its main function is to transport the fertilizer from the storage bin to the weighing mechanism 2. The core component of the conveying mechanism 1 is the conveyor belt 5. The surface of the conveyor belt 5 is provided with anti-slip grooves 16. The anti-slip grooves 16 are distributed in a grid shape. This design can effectively increase the friction between the fertilizer and the conveyor belt 5, avoiding sliding or accumulation during the conveying process, thereby improving the conveying stability. The conveyor belt 5 is driven by a driving roller. One end of the driving roller is connected to the servo motor through a coupling. An encoder is installed on the output shaft of the servo motor. The encoder can record the running speed and position information of the conveyor belt 5 in real time, and transmit the data to the controller 14 in the regulating mechanism 4 for precise control. In addition, a diverter plate 6 is provided at the end of the conveyor belt 5. The diverter plate 6 is connected to the side wall of the conveying mechanism 1 through an elastic member 7, such as Figure 2 As shown, this connection method enables the diverter plate 6 to float up and down within a certain range to adapt to the flow requirements of fertilizers with different particle sizes or large differences in density. There are multiple guide grooves on the diverter plate 6. The design of the guide grooves can evenly distribute the fertilizer flow to avoid poor transportation due to material accumulation. A scraper assembly 19 is also provided at the bottom of the diverter plate 6. The scraper assembly 19 includes a scraper and a support rod. The scraper is connected to the support rod by a hinge. An adjusting bolt is fixed at the end of the support rod. Rotating the adjusting bolt can change the angle of the scraper to adapt to the flow requirements of fertilizers with different particle sizes. A vibrator 21 is installed on the side wall of the conveying mechanism 1. The output end of the vibrator 21 is connected to the diverter plate 6 through a connecting rod. The frequency of the vibrator 21 can be adjusted by the regulating mechanism 4 to improve the fluidity of the fertilizer during transportation.

[0023] like Figure 2 As shown, the weighing mechanism 2 is located below the end of the conveying mechanism 1 and is used to accurately weigh the fertilizer. The core component of the weighing mechanism 2 is the weighing platform 8. A pressure sensor 9 is installed at the bottom of the weighing platform 8. The pressure sensor 9 is connected to the controller 14 in the regulating mechanism 4 through a signal line for real-time monitoring of the weight change of the fertilizer. A buffer assembly 17 is also provided at the bottom of the weighing platform 8. The buffer assembly 17 includes a spring sheet fixed to the bottom of the weighing platform 8 and a damping block arranged on the outside of the spring sheet. The material of the damping block is a high molecular polymer. This design can absorb the vibration generated by the weighing platform 8 when it is subjected to force, thereby improving the weighing accuracy. An adjusting ring 10 is provided on the outside of the weighing mechanism 2. A plurality of limit rods 11 are fixed on the inside of the adjusting ring 10. The limit rods 11 fit the edge of the weighing platform 8 to prevent fertilizer accumulation from causing weighing errors. A handwheel 18 is provided on the outside of the adjustment ring 10, and the handwheel 18 is connected to the adjustment ring 10 via a threaded rod. Rotating the handwheel 18 can drive the adjustment ring 10 to move up and down to adjust the gap between the limit rod 11 and the weighing platform 8, so as to adapt to the weighing requirements of fertilizers with different particle sizes or large differences in density. A protective cover 20 is also provided on the outside of the weighing mechanism 2. The material of the protective cover 20 is transparent plastic, which is convenient for the operator to observe the weighing process. An observation window is provided on the top of the protective cover 20, and a magnifying lens is embedded in the observation window to facilitate viewing of weighing details. A sealing ring is provided at the bottom of the protective cover 20, which fits tightly with the housing of the weighing mechanism 2 to prevent external dust from entering and affecting the weighing accuracy.

[0024] like Figure 3As shown, the packaging mechanism 3 is located below the weighing mechanism 2 and is used to perform packaging operations on the weighed fertilizer. The core component of the packaging mechanism 3 is a heat sealing assembly 12, which includes a heating plate and a cooling plate. The surface of the heating plate is coated with a high-temperature resistant coating, and the interior of the cooling plate is provided with a circulating water channel, which is connected to an external cooling water tank through a pipeline. This design can quickly complete the sealing process while avoiding damage to the packaging bag due to excessive temperature. Guide rods are respectively installed on both sides of the heat sealing assembly 12, and a reset spring is sleeved on the outer side of the guide rod. One end of the reset spring is fixed to the heat sealing assembly 12, and the other end is connected to the housing of the packaging mechanism 3, for resetting the heat sealing assembly 12 after heat sealing is completed. A pressure wheel 13 is also provided inside the packaging mechanism 3, and the pressure wheel 13 is connected to the drive motor through a transmission belt for sealing the packaging bag. The outer surface of the pinch wheel 13 is provided with an anti-slip layer made of rubber. The surface of the anti-slip layer is provided with a wavy raised structure to increase the friction between the pinch wheel 13 and the packaging bag, ensuring a good seal. The pinch wheel 13 bracket of the packaging mechanism 3 is fixed to the piston rod of the cylinder. The cylinder is connected to the solenoid valve via an air pipe. The solenoid valve is controlled by the controller 14 in the control mechanism 4. The controller 14 controls the opening and closing of the solenoid valve based on the signal from the pressure sensor 9, thereby driving the cylinder to adjust the position of the pinch wheel 13.

[0025] like Figure 4 As shown, the control mechanism 4 is the core control component of the entire device and includes a controller 14 and an execution module 15. The controller 14 uses a single-chip microcomputer as its core processor. The MCU's input is connected to the pressure sensor 9 and encoder, and its output is connected to the solenoid valve and servo motor. The controller 14 has preset parameter models for various fertilizers, allowing the corresponding model to be selected for automatic adjustment based on actual needs. The execution module 15 includes a solenoid valve and a cylinder. The solenoid valve is connected to the cylinder via an air pipe, and the cylinder's piston rod is fixed to the support of the pressure roller 13 of the packaging mechanism 3. The controller 14 controls the opening and closing of the solenoid valve based on the signal from the pressure sensor 9, thereby driving the cylinder and adjusting the position of the pressure roller 13. The operating principle of the control mechanism 4 is as follows: When fertilizer is transported from the conveying mechanism 1 to the weighing mechanism 2, the pressure sensor 9 monitors the weight change on the weighing platform 8 in real time and transmits the data to the controller 14. The controller 14 determines whether the target weight has been reached based on the preset value. If it has not been reached, the controller continues to convey the fertilizer. If it has been reached, the controller stops conveying the fertilizer and activates the packaging mechanism 3 to perform the sealing operation. During this process, the encoder records the running speed and position information of the conveyor belt 5 in real time and transmits the data to the controller 14. The controller 14 adjusts the running state of the conveyor belt 5 according to the data to ensure the stability and accuracy of fertilizer transportation.

[0026] The actual operation of this device is as follows: First, fertilizer enters the conveyor mechanism 1 from the storage bin. The conveyor belt 5, driven by a servo motor, begins to operate, moving the fertilizer forward along the conveyor belt 5. During conveyance, the vibrator 21, via a connecting rod, drives the diverter plate 6 to vibrate, improving the fertilizer's fluidity. Simultaneously, the guide grooves and scraper assembly 19 on the diverter plate 6 evenly distribute the fertilizer flow, preventing weighing errors caused by accumulation or blockage. When the fertilizer reaches the end of the conveyor belt 5, it passes through the diverter plate 6 and falls onto the weighing platform 8 of the weighing mechanism 2. During this time, the pressure sensor 9 monitors the weight changes on the weighing platform 8 in real time and transmits this data to the controller 14. If the fertilizer weight does not reach the preset value, the conveyor mechanism 1 continues to operate until the target weight is reached. During this process, the spring plate and damping block in the buffer assembly 17 absorb the vibration of the weighing platform 8 when it is subjected to force. The adjustment ring 10 and limit rod 11 limit the distribution range of the fertilizer on the weighing platform 8, thereby reducing errors caused by fertilizer accumulation or uneven distribution. When the fertilizer weight reaches a preset value, controller 14 sends a command to stop conveyor mechanism 1 and activate packaging mechanism 3 for sealing. Heat-sealing assembly 12 in packaging mechanism 3 heats and seals the bag, while pressure roller 13, connected to the drive motor via a transmission belt, ensures a secure seal. Throughout this process, control mechanism 4 adjusts the operating states of conveyor mechanism 1 and packaging mechanism 3 in real time based on signals from pressure sensor 9 and encoders, adapting to the packaging needs of different fertilizers and improving production efficiency and packaging quality.

[0027] In order to enable those skilled in the art to fully understand and implement the present invention, the implementation principle of the present invention is supplementarily explained below with reference to a specific application scenario.

[0028] First, when fertilizer enters the conveyor mechanism 1 from the storage bin, a servo motor drives the conveyor belt 5, moving the fertilizer forward along it. The anti-slip grooves 16 on the surface of the conveyor belt 5 are arranged in a grid pattern. This increases friction and effectively prevents the fertilizer from slipping or accumulating during conveyance, thereby ensuring stable conveying. An encoder records the speed and position of the conveyor belt 5 in real time and transmits this data to the controller 14, which dynamically adjusts the conveying state based on the fertilizer flow rate. When the fertilizer reaches the end of the conveyor belt 5, the diverter plate 6, connected by an elastic member 7, allows it to float up and down within a certain range to accommodate fertilizers with varying particle sizes or densities. The guide grooves on the diverter plate 6 further evenly distribute the fertilizer flow, preventing conveying congestion caused by material accumulation. Furthermore, a vibrator 21, driven by a connecting rod, vibrates the diverter plate 6, with its frequency adjusted by the control mechanism 4, thereby improving the flow of the fertilizer. The angle of the scraper in the scraper assembly 19 can be adjusted using an adjustment bolt to accommodate the flow of fertilizers of varying particle sizes, ensuring smooth delivery to the weighing mechanism 2.

[0029] Subsequently, the fertilizer falls onto the weighing platform 8 of the weighing mechanism 2 through the diverter plate 6. The pressure sensor 9 monitors the weight changes on the weighing platform 8 in real time and transmits the data to the controller 14. If the weight of the fertilizer does not reach the preset value, the conveying mechanism 1 continues to operate; if it reaches the preset value, the controller 14 sends an instruction to stop the operation of the conveying mechanism 1. During this process, the spring sheet and damping block in the buffer assembly 17 absorb the vibration generated when the weighing platform 8 is subjected to force, reducing the weighing error caused by external interference. The adjustment ring 10 is driven up and down by the handwheel 18 to adjust the gap between the limit rod 11 and the weighing platform 8 to limit the distribution range of the fertilizer on the weighing platform 8 and avoid errors caused by fertilizer accumulation or uneven distribution. The transparent material of the protective cover 20 makes it easy for the operator to observe the weighing process. The magnifying lens on the top can view details, and the sealing ring at the bottom prevents external dust from entering and affecting the weighing accuracy.

[0030] When the weight of the fertilizer reaches the preset value, the controller 14 starts the packaging mechanism 3 to perform the sealing operation. The heating plate in the heat sealing component 12 heats and seals the packaging bag, and the cooling plate quickly cools down through the circulating water channel to avoid damage to the packaging bag due to excessive temperature. After the heat sealing is completed, the reset spring pushes the heat sealing component 12 to reset and prepare for the next sealing operation. The pressure wheel 13 is connected to the drive motor through a transmission belt. The rubber anti-slip layer and the wavy raised structure on its outer side increase the friction between it and the packaging bag to ensure the firmness of the seal. The cylinder controls the action through the solenoid valve to adjust the position of the pressure wheel 13 to adapt to packaging bags of different specifications.

[0031] Throughout this process, the core controller 14 of the control mechanism 4 receives signals from the pressure sensor 9 and encoder, automatically adjusting the operating states of the conveying mechanism 1 and packaging mechanism 3 according to a preset parameter model. For example, if the controller 14 detects that the conveyor belt 5 is moving too fast, potentially causing fertilizer accumulation, it will reduce the servo motor speed. If the pressure sensor 9 detects that the fertilizer weight on the weighing platform 8 is approaching the target value, the controller 14 will gradually slow the conveying speed until it stops to ensure weighing accuracy. For fertilizers with significantly different particle sizes or densities, the controller 14 can select corresponding adjustment strategies based on its internal preset parameter model, thus adapting to various fertilizer packaging requirements.

[0032] Through the above steps, the device achieves automated operations from fertilizer conveying, weighing, to packaging, significantly improving production efficiency and packaging quality. The conveying mechanism 1 solves fertilizer fluidity issues through the coordination of the diverter plate 6 and the vibrator 21. The weighing mechanism 2 improves weighing accuracy through the coordination of the buffer assembly 17 and the adjustment ring 10. The packaging mechanism 3 ensures sealing effectiveness through the coordination of the heat sealing assembly 12 and the pressure wheel 13. Finally, the control mechanism 4 realizes intelligent operation of the entire device through the coordinated operation of the controller 14 and the execution module 15.

[0033] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A fertilizer processing quantitative packaging device, comprising: A conveying mechanism (1), wherein a diverter plate (6) is provided at the end of the conveying mechanism (1), and the diverter plate (6) is connected to the side wall of the conveying mechanism (1) via an elastic member (7); A weighing mechanism (2) is located below the end of the conveying mechanism (1), a weighing platform (8) is provided inside the weighing mechanism (2), a pressure sensor (9) is installed at the bottom of the weighing platform (8), an adjusting ring (10) is provided outside the weighing mechanism (2), and a plurality of limit rods (11) are fixed inside the adjusting ring (10); The packaging mechanism (3) is located below the weighing mechanism (2), and a heat sealing component (12) is provided inside the packaging mechanism (3). Pressure wheels (13) are respectively installed on both sides of the heat sealing component (12); The regulating mechanism (4) includes a controller (14) and an execution module (15), wherein the controller (14) is connected to the pressure sensor (9), and the execution module (15) is connected to the packaging mechanism (3); Its characteristics are: The conveying mechanism (1) is used to convey fertilizer from the storage bin to the weighing mechanism (2). A plurality of guide grooves are provided on the diverter plate (6). The weighing mechanism (2) is used to weigh the fertilizer. The regulating ring (10) cooperates with the limiting rod (11) to limit the distribution range of the fertilizer on the weighing platform (8). The packaging mechanism (3) is used to seal the fertilizer. The regulating mechanism (4) controls the working states of the conveying mechanism (1) and the packaging mechanism (3) according to the signal of the pressure sensor (9).

2. A fertilizer processing quantitative packaging device according to claim 1, characterized in that: The conveying mechanism (1) includes a conveyor belt (5) and a driving roller. The surface of the conveyor belt (5) is provided with anti-skid patterns (16). One end of the driving roller is connected to a servo motor through a coupling. An encoder is installed on the output shaft of the servo motor. The encoder is connected to a controller (14) in the regulating mechanism (4).

3. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: The weighing mechanism (2) further includes a buffer assembly (17), the buffer assembly (17) including a spring sheet fixed to the bottom of the weighing platform (8) and a damping block arranged outside the spring sheet, the damping block being made of a high molecular polymer, a hand wheel (18) being arranged outside the adjusting ring (10), and the hand wheel (18) being connected to the adjusting ring (10) via a threaded rod.

4. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: The heat sealing assembly (12) of the packaging mechanism (3) includes a heating plate and a cooling plate. The surface of the heating plate is coated with a high-temperature resistant coating. A circulating water channel is provided inside the cooling plate. The circulating water channel is connected to an external cooling water tank through a pipeline. Guide rods are respectively installed on both sides of the heat sealing assembly (12). Return springs are sleeved on the outer sides of the guide rods.

5. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: The execution module (15) of the control mechanism (4) includes a solenoid valve and a cylinder. The solenoid valve is connected to the cylinder through an air pipe, and the cylinder piston rod is fixed to the clamping wheel (13) bracket of the packaging mechanism (3).

6. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: A scraper assembly (19) is provided at the bottom of the diverter plate (6). The scraper assembly (19) comprises a scraper and a support rod. The scraper is connected to the support rod via a hinge, and an adjusting bolt is fixed to the end of the support rod.

7. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: A protective cover (20) is provided on the outside of the weighing mechanism (2). The material of the protective cover (20) is transparent plastic. An observation window is provided on the top of the protective cover (20). A magnifying lens is embedded in the observation window. A sealing ring is provided on the bottom of the protective cover (20).

8. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: A vibrator (21) is installed on the side wall of the conveying mechanism (1), and the output end of the vibrator (21) is connected to the diverter plate (6) through a connecting rod.

9. The fertilizer processing quantitative packaging device according to claim 4, characterized in that: The outer side of the pressing wheel (13) of the packaging mechanism (3) is provided with an anti-skid layer, the anti-skid layer is made of rubber, and a convex structure is provided on the surface of the anti-skid layer.

10. The fertilizer processing quantitative packaging device according to claim 1, characterized in that: The controller (14) of the regulating mechanism (4) uses a single chip microcomputer as a core processor, the input end of the single chip microcomputer is connected to the pressure sensor (9) and the encoder, and the output end is connected to the electromagnetic valve and the servo motor.

Images