Batching system and batching method

Abstract

The invention provides a batching system and a batching method.The system comprises a control end and a batching end, the batching end comprises a first mounting base, a second mounting base and a material collecting device, and the first mounting base is provided with a plurality of batching devices arranged at intervals in the circumferential direction; a plurality of material receiving devices are arranged on the second mounting base at intervals in the circumferential direction, a first weighing sensor is arranged in each material receiving device, and the material collecting device is arranged below the second mounting base and comprises a material collecting funnel, a material collecting barrel and a second weighing sensor. The automatic batching device can realize automatic batching.

Description

Technical Field

[0001] The invention relates to the field of batching, in particular to a batching system and a batching method. Background Art

[0002] Varistor is a resistor device with nonlinear volt-ampere characteristics. It is mainly used to clamp voltage when the circuit is subjected to overvoltage, absorbing excess current to protect sensitive devices. The production material of varistor mainly uses zinc oxide. At present, the material formulation of varistor mainly relies on manual methods, which will have problems such as large workload and low production efficiency. Summary of the invention

[0003] In view of the above technical problems, the technical solution adopted by the present invention is:

[0004] According to a first aspect of the present invention, a batching system is provided, the system comprising: a control end and a batching end, the batching end comprising a first mounting base, a second mounting base and a material collecting device, the first mounting base comprising a first mounting platform and a first support frame connected to the first mounting platform, the second mounting base comprising a second mounting platform and a second support frame connected to the second mounting platform, the first mounting platform is located above the second mounting platform, the first mounting platform is a circular ring structure with a first circular opening in the middle, the second mounting platform is a circular ring structure with a second circular opening in the middle, the first mounting platform is provided with m batching devices arranged at intervals in the circumferential direction, each A batching device comprises a first driving part, a batching hopper, a feeding structure and a feeding port, wherein a preset weight of material is placed in the batching hopper, the feeding structure comprises a spherical hopper, a material conveying pipe and a feeding conveying mechanism, the upper end of the material receiving container is connected to the batching hopper, and the lower end is connected to the material conveying pipe, the feeding conveying mechanism comprises a screw rod and a feeder, the screw rod is arranged in the material conveying pipe and connected to the first driving part, the feeder is arranged in the material receiving container and connected to the first driving part, the feeding port is connected to the material conveying pipe and is located in the first circular opening; m>1; the second mounting table is provided There are m material receiving devices arranged at intervals along the circumferential direction, each material receiving device includes a second driving part, a material receiving container and a first weighing sensor, the first weighing sensor is arranged at the bottom of the material receiving container, the material receiving container is connected to the second driving part, the second driving part is used to drive the material receiving container to move linearly and flip, the feeding port is located directly above the corresponding material receiving container, and is used to make the material transported by the feeding and conveying mechanism fall into the corresponding material receiving container; the material collecting device is arranged below the second mounting platform, and includes a material collecting funnel, a material collecting bucket and a second weighing sensor, the material collecting funnel is connected to the second mounting platform The platform is connected to and located opposite to the second circular platform, the second weighing sensor is placed on the ground, and the material collecting bucket is placed on the second weighing sensor and is located directly below the material collecting hopper; wherein, when the weight of the material in the material receiving container reaches a set weight, the second driving unit drives the material receiving container to slide forward to a limited position, and then drives the material receiving container to flip over, so as to pour the material in the material receiving container into the material collecting hopper, and then into the material collecting bucket; the first driving unit, the second driving unit, the first weighing sensor and the second weighing sensor are all connected to the control end.

[0005] According to a second aspect of the present invention, a batching method is provided, which is used to control the batching system provided by the first aspect of the present invention to achieve batching, and the method comprises the following steps:

[0006] S100, the control end sends an initial control signal to the i-th first driving unit according to the received batching information, wherein the initial control signal includes an initial rotation speed of the first driving unit, and the value of i ranges from 1 to m.

[0007] S200, the i-th first driving unit controls the action of the screw rod based on the currently received control signal to transport the material to the feeding port.

[0008] S300, the control end determines the weight W of the material falling into the i-th receiving container based on the weighing signal sent by the i-th first weighing sensor currently received i , if W i =W i 0 , a deceleration control signal is sent to the first driving unit to decelerate, and S400 is executed. If it is determined that W i <W i 0 , execute S300; wherein, W i 0 is the material deceleration weight corresponding to the i-th receiving container.

[0009] S400, the i-th first driving unit controls the action of the screw rod based on the received deceleration control signal to transport the material to the feeding port.

[0010] S500, if W is determined i =W i s , the control end sends a control signal to the i-th first driving unit to drive the i-th material receiving container to move from the initial position to the limited position and flip it to pour the material in the i-th material receiving container into the material collecting funnel; W i s The set material weight corresponding to the i-th receiving container.

[0011] S600, after detecting that the i-th material receiving container is poured with materials, the control end controls the i-th first driving unit to drive the i-th material receiving container back to the initial position and stops driving when the i-th material receiving container returns to the initial position.

[0012] The present invention has at least the following beneficial effects:

[0013] The batching system and method provided by the embodiment of the present invention can ensure the accuracy of batching by configuring the material components to be configured by independent batching devices. In addition, the materials are placed in a batching hopper instead of a conveyor belt, which can ensure weight accuracy and avoid dust problems.

[0014] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 A left side view of a batching system provided by an embodiment of the present invention;

[0017] Figure 2 A right side view of a batching system provided by an embodiment of the present invention;

[0018] Figure 3 A top view of a batching system provided by an embodiment of the present invention;

[0019] Figure 4 It is a top view of the material collection bucket conveying device;

[0020] Figure 5 A flow chart of a batching method provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] It should be noted that some exemplary embodiments are described as processes or methods depicted as flow charts. Although the flow charts describe the steps as sequential processes, many of the steps can be implemented in parallel, concurrently or simultaneously. In addition, the order of the steps can be rearranged. The process can be terminated when its operation is completed, but it can also have additional steps not included in the accompanying drawings. The process can correspond to a method, function, procedure, subroutine, subprogram, etc.

[0024] The embodiment of the present invention provides a batching system, such as Figures 1 to 3 As shown, the system may include: a control end (not shown) and a batching end. The batching end may include a first mounting base, a second mounting base and a material collecting device, the first mounting base includes a first mounting platform 1 and a first support frame 2 connected to the first mounting platform 1, the second mounting base includes a second mounting platform 3 and a second support frame 4 connected to the second mounting platform 3, the first mounting platform 1 is located above the second mounting platform 3, the first mounting platform, the first mounting platform 1 is a circular ring structure with a first circular opening in the middle, the second mounting platform is a circular ring structure with a second circular opening in the middle, and the first mounting platform is provided with m batching devices arranged at intervals in the circumferential direction, m>1.

[0025] Among them, each batching device may include a first driving part 5, a batching hopper 6, a feeding structure and a feeding port 7, wherein a preset weight of material (not shown) is placed in the batching hopper, and the feeding structure includes a spherical hopper 8, a material conveying pipe 9 and a feeding and conveying mechanism. The upper end of the material receiving container 8 is connected to the batching hopper 6, and the lower end is connected to the material conveying pipe 9. The feeding and conveying mechanism includes a screw rod (not shown) and a tapper (not shown). The screw rod is arranged in the material conveying pipe and connected to the first driving part 5, the tapper is arranged in the material receiving container and connected to the first driving part, and the feeding port 7 is connected to the material conveying pipe and is located in the first circular opening.

[0026] In the embodiment of the present invention, the support frame may be a plurality of support legs.

[0027] An application scenario of the batching system provided in an embodiment of the present invention may be the batching of raw materials for preparing varistors. The material may be a powdered metal oxide. The number m may be set based on actual needs. In an illustrative embodiment, m=9.

[0028] In the embodiment of the present invention, the first driving unit 5 may be a driving motor.

[0029] In the embodiment of the present invention, two screw rods may be included, and the maximum conveying capacity of the two screw rods may be 30 kg / h.

[0030] In an embodiment of the present invention, the material picker may include a connecting shaft and a flip member, one end of the connecting shaft is connected to the driving shaft of the first driving unit, and the other end is connected to the flip member, so that the flip member is driven to rotate up and down under the driving action of the first driving unit. The flip member may include a connecting plate and two arc-shaped picks connected to both ends of the connecting plate, a connecting hole connected to the connecting shaft is formed in the middle of the connecting plate, and the two arc-shaped picks are arranged in opposite directions.

[0031] In the embodiment of the present invention, a hopper cover is provided above the batching hopper 6 to prevent dust from falling in and to avoid dust. The capacity of the batching hopper can be set based on actual needs, for example, it can be 40L. The amount of material contained in the batching hopper 6 can be set based on actual needs. In an exemplary embodiment, it can be ensured that the weight of at least 4 consecutive batches can be met.

[0032] In the embodiment of the present invention, the lower end of the spherical bucket can be welded to the material conveying pipe, and the upper end can be fixedly connected to the batching hopper through a detachable clamp structure.

[0033] In one embodiment of the present invention, materials can be added to the batching hopper 6 manually.

[0034] In another embodiment of the present invention, materials can be added to the batching hopper 6 in an automatic manner. Specifically, the batching system provided in the embodiment of the present invention may also include a material replenishing device (not shown), the material replenishing device includes a material replenishing drive unit and a material replenishing funnel, the material replenishing funnel is arranged above the batching hopper, and a movable bottom plate is arranged at the bottom of the material replenishing funnel, the material replenishing drive unit is used to control the opening and closing of the bottom plate of the material replenishing funnel, and when the bottom plate is in an open state, the material falls from the material replenishing funnel into the batching hopper.

[0035] In the embodiment of the present invention, the type of material contained in each batching hopper can be determined based on actual needs.

[0036] Furthermore, the second mounting platform 3 is provided with m material receiving devices arranged at intervals along the circumferential direction, each material receiving device includes a second driving part 10, a material receiving container 11 and a first weighing sensor (not shown), the first weighing sensor is arranged at the bottom of the material receiving container 11, the material receiving container 11 is connected to the second driving part 10, the second driving part 10 is used to drive the material receiving container to move linearly and flip, the feeding port 7 is located directly above the corresponding material receiving container, and is used to allow the material transported by the feeding and conveying mechanism to fall into the corresponding material receiving container 11.

[0037] In an embodiment of the present invention, the second driving unit 10 may be a motor. The second driving unit 10 may realize the linear motion and the flipping motion of the material receiving container through the driving structure. The driving structure may include a slide rail 12 and a telescopic shaft (not shown), one end of the telescopic shaft is connected to the driving shaft of the second driving unit, and the other end is connected to the material receiving container. The bottom of the other end of the telescopic shaft is also slidably connected to the slide rail 12 through a slider 13 to ensure that the material receiving container can slide along the slide rail. The second driving unit 10 can realize the linear motion of the material receiving container by controlling the extension and contraction of the telescopic shaft, and can realize the flipping motion of the material receiving container by controlling the flipping of the telescopic shaft. It is known to those skilled in the art that the specific control of the linear motion and the flipping motion may be in an existing manner.

[0038] Furthermore, in an embodiment of the present invention, the material collecting device is arranged below the second mounting platform 3, and includes a material collecting funnel 14, a material collecting bucket (not shown) and a second weighing sensor (not shown), the material collecting funnel 14 is connected to the second mounting platform 3 and is located opposite to the second circular platform, the second weighing sensor is placed on the ground, and the material collecting bucket is placed on the second weighing sensor and is located directly below the material collecting funnel.

[0039] In the embodiment of the present invention, the material collecting funnel can be fixedly connected to the second mounting platform via a connecting plate.

[0040] In the embodiment of the present invention, the first driving unit, the second driving unit, the first weighing sensor and the second weighing sensor are all connected to the control end. The control end may be a host computer.

[0041] In an embodiment of the present invention, when the weight of the material in the material receiving container reaches a set weight, the second driving unit drives the material receiving container to slide forward to a limited position, and then drives the material receiving container to flip over, so as to pour the material in the material receiving container into the material collecting funnel, and then into the material collecting bucket.

[0042] In the embodiment of the present invention, Figure 2 As shown, the defined position may be the end 15 of the slide rail.

[0043] Furthermore, in an embodiment of the present invention, a material detection sensor (not shown) is provided in the batching hopper 6, and the batching device also includes a first alarm (not shown), which is connected to the material detection sensor. When the material detector detects that the material in the corresponding batching hopper is less than a set amount, the first alarm sounds an alarm to remind the staff to add material to the batching hopper.

[0044] In an exemplary embodiment of the present invention, the material collection bucket can be placed and removed by a worker drilling under the second installation platform.

[0045] In another exemplary embodiment of the present invention, the material collection bucket can be placed and removed automatically. Figure 4 As shown, the batching system provided by the embodiment of the present invention further includes a material collecting barrel conveying device, and the material collecting barrel conveying device includes a pushing part 16 , a rolling part 17 and a conveying part 18 .

[0046] The rolling part 17 is arranged on the second weighing sensor and is used to place the material collection bucket. The pushing part 16 is arranged on one side of the rolling part, and the conveying part 18 is arranged on the other side of the rolling part. The pushing part is used to push the material collection bucket from the rolling part to the conveying part, and when the material collection bucket is conveyed from the conveying part to the rolling part, it is used to block the material collection bucket to prevent the material collection bucket from sliding out of the rolling part. The conveying part is used to convey the material collection bucket to a designated position, and to convey it from the designated position to the rolling part.

[0047] In an embodiment of the present invention, the pushing portion 16 may include a cylinder 1601 and an arc-shaped push plate 1602 connected to the cylinder. The rolling portion 17 may include a mounting frame and a plurality of rollers 1701 disposed on the mounting frame. Baffles are disposed on both sides of the mounting frame to limit the material collection bucket. The conveying portion 18 may be a conveyor belt structure. It is known to those skilled in the art that the conveyor belt structure may be the structure of an existing conveyor belt.

[0048] In an embodiment of the present invention, when it is necessary to remove the material collection barrel, the cylinder is started so that when the piston of the cylinder moves forward, the arc-shaped push plate moves forward and pushes the material collection barrel. Under the rolling force of the roller, the material collection barrel is pushed onto the conveying part. At this time, when the piston of the cylinder moves backward, the arc-shaped push plate is driven back to the initial position. Then, the material is transferred to the designated position through the conveyor belt, and the staff can take away the material collection barrel and pour out the prepared material to enter the next process. When placing the material collection barrel, the material collection barrel is placed on the conveying part, and the conveyor belt is controlled to move in the opposite direction to transfer the material collection barrel to the rolling part. Due to the blocking effect of the push baffle, the material collection barrel will be restricted on the rolling part.

[0049] In the embodiment of the present invention, the accuracy of the first weighing sensor and the second weighing sensor may be 0.5 g to 1 g.

[0050] Furthermore, the batching system provided in the embodiment of the present invention may also include a second alarm, which is used to give an alarm when the weighing weight of the second weighing sensor is less than the sum of the weighing weights of the m first weighing sensors.

[0051] If the weight of the second weighing sensor is less than the sum of the weights of the m first weighing sensors, it means that some receiving containers may not be completely turned over and some materials are not completely poured out. When receiving the alarm signal, the staff can check each receiving container one by one. When a receiving container with residual materials is found, the corresponding drive unit is controlled to drive to completely pour out the materials in the receiving container.

[0052] The batching system provided in the embodiment of the present invention can ensure the accuracy of the prepared materials because the second weighing sensor is provided for weight compounding.

[0053] The batching system provided by the embodiment of the present invention can ensure the accuracy of batching by configuring the material components to be configured by independent batching devices. In addition, the materials are placed in a batching hopper instead of a conveyor belt, which can ensure weight accuracy and avoid dust problems.

[0054] Furthermore, an embodiment of the present invention also provides a batching method for controlling the aforementioned batching system to achieve batching, and the method may include the following steps:

[0055] S100, the control end sends an initial control signal to the i-th first driving unit according to the received batching information, wherein the initial control signal includes an initial rotation speed of the first driving unit, and the value of i ranges from 1 to m.

[0056] In the embodiment of the present invention, the ingredient information may be information determined by a user, including the weight of each material required for determining the formula to be configured.

[0057] It should be noted that before automatic batching is realized, each batching hopper will be pre-filled with a material required by the recipe.

[0058] In the embodiment of the present invention, the initial rotation speed of the first driving unit can be determined based on actual conditions.

[0059] S200, the i-th first driving unit controls the action of the screw rod based on the currently received control signal to transport the material to the feeding port.

[0060] S300, the control end determines the weight W of the material falling into the i-th receiving container based on the weighing signal sent by the i-th first weighing sensor currently received i , if W i =W i 0 , a deceleration control signal is sent to the first driving unit to decelerate, and S400 is executed. If it is determined that W i <W i 0, execute S300; wherein, W i 0 is the material deceleration weight corresponding to the i-th receiving container.

[0061] In the embodiment of the present invention, W i 0 It can be determined based on the total weight of the required materials, the specific gravity of the materials, etc. Generally, the greater the total weight of the materials and the specific gravity of the materials, the greater the corresponding material retarding weight, and vice versa.

[0062] In the embodiment of the present invention, the deceleration control signal can be determined based on the actual feeding speed, as long as it can ensure smooth and stable feeding of the target weight of material.

[0063] S400, the i-th first driving unit controls the action of the screw rod based on the received deceleration control signal to transport the material to the feeding port.

[0064] S500, if W is determined i =W i s , the control end sends a control signal to the i-th first driving unit to drive the i-th material receiving container to move from the initial position to the limited position and flip to pour the material in the i-th material receiving container into the material collecting funnel. i s The set material weight corresponding to the i-th receiving container.

[0065] In the embodiment of the present invention, W i s Can be determined based on ingredient information.

[0066] In the embodiment of the present invention, the initial position of the material receiving container is the position directly facing the material discharge port, and the limited position of the material receiving container is the end of the slide rail.

[0067] S600, after detecting that the i-th material receiving container is poured with materials, the control end controls the i-th first driving unit to drive the i-th material receiving container back to the initial position and stops driving when the i-th material receiving container returns to the initial position.

[0068] Furthermore, the method provided by the embodiment of the present invention also includes the following steps:

[0069] S700: The control end determines the weight W of the material collected in the material collection bucket based on the weighing signal received from the second weighing sensor. If it is determined that W<(W1 s +W2 s +……+W i s +……+W m s), output alarm signal.

[0070] In the embodiment of the present invention, if W<(W1 s +W2 s +……+W i s +……+W m s ), indicating that some receiving containers may not be completely turned over and some materials have not been completely poured out. When receiving the alarm signal, the staff can check each receiving container one by one. When a receiving container with residual material is found, the corresponding drive unit is controlled to drive to completely pour out the material in the receiving container. In this way, the accuracy of batching can be ensured.

[0071] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution disclosed in the present invention can be achieved, and this document does not limit this.

[0072] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A batching system, characterized in that: The system comprises: a control end and a batching end, wherein the batching end comprises a first mounting base, a second mounting base and a material collecting device, wherein the first mounting base comprises a first mounting platform and a first supporting frame connected to the first mounting platform, wherein the second mounting base comprises a second mounting platform and a second supporting frame connected to the second mounting platform, wherein the first mounting platform is located above the second mounting platform, wherein the first mounting platform is a circular ring structure having a first circular opening in the middle, wherein the second mounting platform is a circular ring structure having a second circular opening in the middle, wherein the first mounting platform is provided with m batching devices spaced apart in a circumferential direction, wherein each batching device It comprises a first driving part, a batching hopper, a feeding structure and a feeding port, wherein the batching hopper is filled with materials of preset weight, the feeding structure comprises a spherical hopper, a material conveying pipe and a feeding conveying mechanism, the upper end of the material receiving container is connected to the batching hopper, and the lower end is connected to the material conveying pipe, the feeding conveying mechanism comprises a screw rod and a material tapper, the screw rod is arranged in the material conveying pipe and connected to the first driving part, the material tapper is arranged in the material receiving container and connected to the first driving part, the feeding port is connected to the material conveying pipe and is located in the first circular opening; m>1; The second mounting platform is provided with m material receiving devices spaced apart in the circumferential direction, each material receiving device comprises a second driving part, a material receiving container and a first weighing sensor, the first weighing sensor is arranged at the bottom of the material receiving container, the material receiving container is connected to the second driving part, the second driving part is used to drive the material receiving container to move linearly and flip, the feeding port is located directly above the corresponding material receiving container, and is used to make the material conveyed by the feeding and conveying mechanism fall into the corresponding material receiving container; The material collecting device is arranged below the second mounting platform, and comprises a material collecting funnel, a material collecting bucket and a second weighing sensor. The material collecting funnel is connected to the second mounting platform and is located opposite to the second circular platform. The second weighing sensor is placed on the ground, and the material collecting bucket is placed on the second weighing sensor and is located directly below the material collecting funnel. When the weight of the material in the material receiving container reaches a set weight, the second driving unit drives the material receiving container to slide forward to a limited position, and then drives the material receiving container to flip over, so as to pour the material in the material receiving container into the material collecting funnel, and then into the material collecting bucket. The first driving unit, the second driving unit, the first weighing sensor and the second weighing sensor are all connected to the control end.

2. The batching system according to claim 1, characterized in that: The batching hopper is provided with a material detection sensor, and the batching device further comprises a first alarm, which is connected to the material detection sensor. When the material detector detects that the material in the corresponding batching hopper is less than a set amount, the first alarm sounds an alarm.

3. The batching system according to claim 1, characterized in that: A hopper cover is arranged above the batching hopper.

4. The batching system according to claim 1, characterized in that: It also includes a material collection bucket conveying device, which includes a pushing part, a rolling part and a conveying part. The rolling part is arranged on the second weighing sensor and is used to place the material collection bucket. The pushing part is arranged on one side of the rolling part, and the conveying part is arranged on the other side of the rolling part. The pushing part is used to push the material collection bucket from the rolling part to the conveying part, and when the material collection bucket is conveyed from the conveying part to the rolling part, the pushing part is used to block the material collection bucket to prevent the material collection bucket from sliding out of the rolling part. The conveying part is used to convey the material collection bucket to a specified position, and to convey it from the specified position to the rolling part.

5. The batching system according to claim 1, characterized in that: Includes two spiral rods.

6. The batching system according to claim 1, characterized in that: The material is a metal oxide.

7. The batching system according to claim 1, characterized in that: The material tapper comprises a connecting shaft and a flipping member, one end of the connecting shaft is connected to the driving shaft of the first driving part, and the other end of the connecting shaft is connected to the flipping member.

8. The batching system according to claim 7, characterized in that: The flip member includes a connecting plate and two arc-shaped paddles connected to both ends of the connecting plate. A connecting hole connected to the connecting shaft is formed in the middle of the connecting plate. The two arc-shaped paddles are arranged in opposite directions.

9. A batching method, characterized in that: Used to control the batching system according to any one of claims 1 to 8 to achieve batching, the method comprising the following steps: S100, the control end sends an initial control signal to the i-th first driving unit according to the received batching information, wherein the initial control signal includes an initial rotation speed of the first driving unit, and the value of i ranges from 1 to m; S200, the i-th first driving unit controls the action of the screw rod based on the currently received control signal to transport the material to the feeding port; S300, the control end determines the weight W of the material falling into the i-th receiving container based on the weighing signal sent by the i-th first weighing sensor currently received i , if W i =W i 0 , a deceleration control signal is sent to the first driving unit to decelerate, and S400 is executed. If it is determined that W i <W i 0 , execute S300; wherein, W i 0 is the material deceleration weight corresponding to the i-th receiving container; S400, the i-th first driving unit controls the action of the screw rod based on the received deceleration control signal to transport the material to the feeding port; S500, if W is determined i =W i s , the control end sends a control signal to the i-th first driving unit to drive the i-th material receiving container to move from the initial position to the limited position and flip it to pour the material in the i-th material receiving container into the material collecting funnel; W i s is the set material weight corresponding to the i-th receiving container; S600, after detecting that the i-th material receiving container is poured with materials, the control end controls the i-th first driving unit to drive the i-th material receiving container back to the initial position and stops driving when the i-th material receiving container returns to the initial position.

10. The method according to claim 9, characterized in that The following steps are also included: S700: The control end determines the weight W of the material collected in the material collection bucket based on the received weighing signal sent by the second weighing sensor. If it is determined that W<(W1 s +W2 s +……+W i s +……+W m s ), output alarm signal.

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