Conveying device

By setting up a shielding assembly and a sealing structure at the stirring inlet of the stirring barrel, the problem of adhesive adhesion caused by water vapor volatility is solved, and the normal addition of adhesive and the reliability of the conveying device is improved.

CN222833679UActive Publication Date: 2025-05-06CHINA ENERGY GRP NINGXIA COAL IND CO LTD
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Patent Information

Application Number
CN202421603942.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-05-06
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

In the prior art, the water vapor in the stirring drum evaporates into the discharge assembly, causing the adhesive to adhere to the discharge assembly, affecting the normal addition of the adhesive.

Method used

A conveying device is designed, including a conveying assembly, a feeding assembly, a stirring barrel and a shading assembly. The shading assembly is arranged at the stirring inlet of the stirring barrel and can be moved between the shading position and the avoiding position, so that water vapor is prevented from evaporating into the discharge assembly through the sealing structure.

Benefits of technology

It effectively avoids adhesive adhesion in the cutting assembly, ensures the normal addition of adhesive and improves the working reliability of the conveying device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a conveying device which comprises a conveying assembly, a conveying belt and a conveying belt. The discharging assembly is provided with a discharging inlet and a discharging outlet, and the discharging inlet communicates with the conveying outlet; the stirring barrel is provided with a stirring inlet, and the stirring inlet corresponds to the discharging outlet; the shielding assembly is arranged at the stirring inlet, the shielding assembly is provided with a shielding position for shielding the stirring inlet and an avoiding position far away from the stirring inlet, and the shielding assembly can move between the shielding position and the avoiding position. By means of the technical scheme, the problem that in the prior art, after water vapor in the stirring barrel volatilizes into the discharging assembly, a binder is likely to adhere to the interior of the discharging assembly can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of conveying devices, in particular to a conveying device. Background Art

[0002] Coal-based granular activated carbon usually requires a binder as an additive during production. In the prior art, a feed assembly is used to transport the binder into a mixing barrel, and when the binder and coal powder are stirred in the mixing barrel, water vapor is generated, and the water vapor evaporates into the feed assembly. When the binder is wetted by water, it will become very sticky, causing the binder to adhere to the feed assembly, thereby affecting the normal addition of the binder. Utility Model Content

[0003] The utility model provides a conveying device to solve the problem in the prior art that the water vapor in the mixing barrel evaporates into the material discharge component and easily causes the adhesive to adhere to the material discharge component.

[0004] The utility model provides a conveying device, which comprises: a conveying component, which has a conveying outlet; a material discharge component, which has a material discharge inlet and a material discharge outlet, and the material discharge inlet is connected with the conveying outlet; a stirring barrel, which has a stirring inlet, and the stirring inlet is correspondingly arranged with the material discharge outlet; a shielding component, which is arranged at the stirring inlet, and the shielding component has a shielding position for shielding the stirring inlet and a avoidance position away from the stirring inlet, and the shielding component can move between the shielding position and the avoidance position.

[0005] Furthermore, a sealing structure is provided between the shielding component and the stirring barrel to achieve sealing between the shielding component and the stirring inlet.

[0006] Furthermore, a sealing groove is provided on the mixing barrel, and the sealing groove is annularly arranged around the outer periphery of the mixing inlet, and there is a sealing liquid in the sealing groove. The shielding assembly includes a shielding plate, and the shielding plate has a relatively set shielding position and an avoidance position. An annular baffle is provided at the bottom of the shielding plate, and the annular baffle is adapted to the structure of the sealing groove. When the shielding plate is located at the shielding position, the annular baffle is located in the sealing groove, and at least a portion of the annular baffle is in contact with the sealing liquid. The sealing groove and the annular baffle cooperate to form a sealing structure.

[0007] Furthermore, the shielding assembly also includes a driving member, which is drivingly connected to the shielding plate, and the driving member drives the shielding plate to move between the shielding position and the avoidance position.

[0008] Furthermore, the unloading component includes: a quantitative bin, the quantitative bin has a first inlet and a first outlet that are interconnected, and the first inlet is arranged corresponding to the delivery outlet; a first valve, which is arranged at the first outlet, and the first valve can block or open the first outlet; a second valve, which is arranged at the connection between the first inlet and the delivery outlet, and the second valve can block or open the first inlet; a first pipe, one end of the first pipe is flexibly connected to the first outlet, and the other end of the first pipe is arranged corresponding to the stirring inlet; a first weighing sensor, and the first weighing sensor can detect the weight of the quantitative bin.

[0009] Furthermore, the material discharge assembly also includes a first flexible sleeve, one end of the first flexible sleeve is connected to the first valve, and the other end of the first flexible sleeve is connected to the first pipeline.

[0010] Furthermore, the unloading assembly also includes: a second pipeline, one end of which is connected to the delivery outlet, and the other end of which is connected to the second valve; a second flexible sleeve, one end of which is connected to the second valve, and the other end of which is connected to the first inlet.

[0011] Furthermore, the conveying component includes: a storage bin having a material inlet and a material outlet; a lifting structure having a lifting inlet and a discharge port, the discharge port being connected to the material inlet, and the lifting structure transferring the material to the storage bin via the lifting inlet and the discharge port; a conveying structure having a conveying inlet and a conveying outlet, the conveying inlet being connected to the material outlet, and the conveying structure being capable of conveying the material from the conveying inlet to the conveying outlet.

[0012] Furthermore, the conveying component also includes: a second weighing sensor, which can detect the weight of the storage bin.

[0013] Furthermore, the conveying device includes a control system, which is electrically connected to the first valve, the second valve and the first weighing sensor. The first weighing sensor can transmit a signal to the control system, and the control system can control the opening of the first valve and the second valve through the signal of the first weighing sensor.

[0014] By applying the technical solution of the utility model, the conveying component can convey the material into the unloading component, and the unloading component can convey the material into the mixing barrel, and the shielding component is arranged at the mixing inlet on the mixing barrel. When the material is injected into the mixing barrel, the shielding component is located in an avoidance position, so as to avoid affecting the normal addition of the material. When the material is stirred in the mixing barrel, the shielding component is located in a shielding position. Such an arrangement can prevent the water vapor generated by stirring from volatilizing into the unloading component, thereby preventing the adhesive from adhering to the unloading component, thereby ensuring the subsequent normal addition of the adhesive, and thus improving the reliability of the conveying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 The schematic diagram of the structure of the conveying device provided by the utility model is shown;

[0017] Figure 2 Shows Figure 1 A partial enlarged view of the middle A;

[0018] Figure 3 A schematic diagram showing the structure of the mixing barrel and the shielding plate provided by the utility model in coordination with each other;

[0019] Figure 4 A top view showing the coordination of the mixing barrel and the shielding plate provided by the utility model is shown.

[0020] The above drawings include the following reference numerals:

[0021] 10. Conveying components;

[0022] 11. Storage silo; 12. Lifting structure;

[0023] 13. Conveying structure; 14. Second weighing sensor;

[0024] 20. Cutting components;

[0025] 21. Quantitative warehouse;

[0026] 22. First valve;

[0027] 23. Second valve;

[0028] 24. First pipeline;

[0029] 25. The first weighing sensor;

[0030] 26. first flexible sleeve; 27. second pipe; 28. second flexible sleeve;

[0031] 30. Mixing barrel; 31. Sealing tank;

[0032] 41. Shielding plate; 411. Annular baffle. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0034] like Figures 1 to 4 As shown, an embodiment of the utility model provides a conveying device, which includes a conveying component 10, a material discharge component 20, a stirring barrel 30 and a shielding component. The conveying component 10 has a conveying outlet. The material discharge component 20 has a material discharge inlet and a material discharge outlet, and the material discharge inlet is connected to the conveying outlet. The stirring barrel 30 has a stirring inlet, and the stirring inlet is correspondingly arranged with the material discharge outlet. The shielding component is arranged at the stirring inlet, and the shielding component has a shielding position that is relatively arranged to shield the stirring inlet and a avoidance position away from the stirring inlet, and the shielding component can move between the shielding position and the avoidance position.

[0035] By applying the technical solution of the present application, the conveying component 10 can convey the material into the unloading component 20, and the unloading component 20 can convey the material into the mixing barrel 30, and the shielding component is arranged at the mixing inlet on the mixing barrel 30. When the material is injected into the mixing barrel 30, the shielding component is located in an avoidance position to avoid affecting the normal addition of the material. When the material is stirred in the mixing barrel 30, the shielding component is located in a shielding position. Such a setting can prevent the water vapor generated by stirring from volatilizing into the unloading component 20, thereby preventing the adhesive from adhering to the unloading component 20, thereby ensuring the subsequent normal addition of the adhesive, and then improving the reliability of the conveying device. Among them, in the present application, the material is an adhesive.

[0036] like Figure 3 and Figure 4 As shown, a sealing structure is provided between the shielding component and the mixing barrel 30 to achieve sealing between the shielding component and the mixing inlet. Such a configuration can ensure the sealing between the mixing component and the mixing inlet, further prevent the water vapor in the mixing barrel 30 from leaking, and further prevent the material from adhering to the feeding component 20.

[0037] Specifically, a sealing groove 31 is provided on the mixing barrel 30, and the sealing groove 31 is annularly arranged around the outer periphery of the mixing inlet, and there is a sealing liquid in the sealing groove 31. The shielding assembly includes a shielding plate 41, and the shielding plate 41 has a shielding position and an avoidance position that are relatively arranged. An annular baffle 411 is provided at the bottom of the shielding plate 41, and the annular baffle 411 is adapted to the structure of the sealing groove 31. When the shielding plate 41 is located at the shielding position, the annular baffle 411 is located in the sealing groove 31, and at least part of the annular baffle 411 is in contact with the sealing liquid, and the sealing groove 31 and the annular baffle 411 cooperate to form a sealing structure. Such a setting has a simple structure, is convenient for processing the shielding assembly and the mixing barrel 30, and can ensure the sealing effect of the sealing structure. In addition, compared with the prior art that uses a sealing ring and other structures to seal the mixing inlet, when the mixing inlet is sealed by a water seal, the operation is simple, and it is convenient for the shielding plate 41 to move between the shielding position and the avoidance position.

[0038] Furthermore, with such an arrangement, when the sealing structure fails, it is sufficient to inject sealing liquid into the sealing groove 31 , thereby avoiding the need to replace the shielding plate 41 .

[0039] Among them, in the prior art, the sealing liquid is water.

[0040] Furthermore, the shielding assembly further includes a driving member, which is drivingly connected to the shielding plate 41, and the driving member drives the shielding plate 41 to move between the shielding position and the avoidance position. Such an arrangement can improve the automation of the shielding assembly and facilitate the shielding plate 41 to move between the shielding position and the avoidance position.

[0041] Optionally, the driving member may be a motor, which is drivingly connected to a side edge of the shielding plate 41 to drive the motor to rotate. Specifically, the driving member may be an angular stroke actuator.

[0042] In the present application, the shielding assembly further includes a transmission structure, the driving member is drivingly connected to one end of the transmission structure, and the other end of the transmission structure is connected to the shielding plate 41. Such an arrangement can keep the driving member away from the stirring inlet, prevent the water vapor in the stirring barrel 30 from corroding the driving member, and increase the service life of the driving member.

[0043] Specifically, the transmission structure may be a transmission rod.

[0044] Optionally, in other embodiments, one end of the baffle plate 41 is hinged to the bottom of the sealing groove 31, the driving member is a telescopic cylinder, the telescopic rod of the driving member is hinged to the baffle plate 41, and the driving member can drive the baffle plate 41 to rotate.

[0045] Further, the unloading assembly 20 includes a quantitative bin 21, a first valve 22, a second valve 23, a first pipeline 24 and a first weighing sensor 25. The quantitative bin 21 has a first inlet and a first outlet that are interconnected, and the first inlet is arranged corresponding to the delivery outlet. The first valve 22 is arranged at the first outlet, and the first valve 22 can block or open the first outlet. The second valve 23 is arranged at the connection between the first inlet and the delivery outlet, and the second valve 23 can block or open the first inlet. One end of the first pipeline 24 is flexibly connected to the first outlet, and the other end of the first pipeline 24 is arranged corresponding to the stirring inlet. The first weighing sensor 25 can detect the weight of the quantitative bin 21.

[0046] Among them, in the prior art, the weight of the binder injected into the mixing barrel is usually controlled by the staff. During the control process, the staff is very likely to make errors in the amount of binder injected, thereby affecting the quality of the activated carbon.

[0047] However, in the present application, the material in the quantitative bin 21 is detected by the first weighing sensor 25, so that the weight of the material in the quantitative bin 21 can be quantitatively controlled, thereby ensuring that a quantitative amount of material is injected into the mixing barrel 30, thereby ensuring the quality of the activated carbon.

[0048] Specifically, when the quantitative bin 21 needs to be weighed, the first valve 22 blocks the first outlet, and the second valve 23 blocks the first inlet.

[0049] Furthermore, the first pipe 24 is flexibly connected to the first outlet, which can prevent the weight of the first pipe 24 from affecting the weighing accuracy of the first weighing sensor 25 .

[0050] Furthermore, in the present application, the unloading component 20 includes a plurality of first weighing sensors 25, and the plurality of first weighing sensors 25 are evenly distributed below the quantitative bin 21, thereby further ensuring the accuracy of the first weighing sensors 25 weighing the quantitative bin 21 and avoiding errors.

[0051] Among them, the first pipe 24 has a first transition section at one end close to the first outlet, and the diameter of the first transition section gradually decreases in the direction away from the first outlet. Such an arrangement can ensure the smooth flow of materials and avoid material blockage.

[0052] Furthermore, the blanking assembly 20 further includes a first flexible sleeve 26, one end of which is connected to the first valve 22, and the other end of which is connected to the first pipe 24. This arrangement has a simple structure and facilitates the first flexible sleeve 26 to communicate with the first valve 22 and the first pipe 24.

[0053] Optionally, the first flexible sleeve 26 may be made of industrial fabric.

[0054] Specifically, the blanking assembly 20 further includes a second pipe 27 and a second flexible sleeve 28. One end of the second pipe 27 is connected to the delivery outlet, and the other end of the second pipe 27 is connected to the second valve 23. One end of the second flexible sleeve 28 is connected to the second valve 23, and the other end of the second flexible sleeve 28 is connected to the first inlet. In this way, the weight of the second pipe 27 can be prevented from affecting the weighing accuracy of the first weighing sensor 25.

[0055] The second pipe 27 has a second transition section at one end close to the delivery outlet, and the diameter of the second transition section gradually decreases in the direction away from the delivery outlet. Such an arrangement can ensure smooth material flow and avoid material blockage.

[0056] Optionally, the second flexible sleeve 28 may be made of industrial fabric.

[0057] Furthermore, the conveying assembly 10 includes a storage bin 11, a lifting structure 12 and a conveying structure 13. The storage bin 11 has a material inlet and a material outlet. The lifting structure 12 has a lifting inlet and a discharge port, the discharge port is connected to the material inlet, and the lifting structure 12 transfers the material to the storage bin 11 through the lifting inlet and the discharge port. The conveying structure 13 has a conveying inlet and a conveying outlet, the conveying inlet is connected to the material outlet, and the conveying structure 13 can convey the material from the conveying inlet to the conveying outlet. Such a configuration makes it easy to convey the material to the conveying outlet and facilitates the operation of the staff.

[0058] Among them, in the present application, the lifting structure 12 and the conveying structure 13 are both spiral conveying structures 13.

[0059] Moreover, in the present application, a plurality of delivery outlets are arranged on the delivery structure 13, and the delivery device includes a plurality of feeder assemblies 20 and a plurality of stirring barrels 30, and the plurality of feeder assemblies 20 and the plurality of delivery outlets are arranged one by one, and the plurality of feeder assemblies 20 and the plurality of stirring barrels 30 are arranged one by one. Such an arrangement can improve the efficiency of producing activated carbon.

[0060] Specifically, in the present application, a third valve is provided between the storage bin 11 and the conveying structure 13 .

[0061] Furthermore, the conveying assembly 10 further includes a second weighing sensor 14, which can detect the weight of the storage bin 11. In this way, the weight of the storage bin 11 can be detected by the second weighing sensor 14, so that the staff can add materials to the storage bin 11 in time through the lifting structure 12.

[0062] The conveying device includes a control system, which is electrically connected to the first valve 22, the second valve 23 and the first weighing sensor 25. The first weighing sensor 25 can transmit a signal to the control system, and the control system can control the opening of the first valve 22 and the second valve 23 through the signal of the first weighing sensor 25. Such an arrangement can further improve the automation of the conveying device and facilitate the injection of materials into the mixing barrel 30.

[0063] Specifically, the control system is also electrically connected to the lifting structure 12 and the second weighing sensor 14 . The second weighing sensor 14 can transmit a signal to the control system, and the control system can control the operation of the lifting structure 12 according to the signal of the second weighing sensor 14 .

[0064] A display is provided on the storage bin 11, and the display is electrically connected to the control system. The control system can calculate the weight of the material in the storage bin 11 according to the signal of the second weighing sensor 14, and display the data on the display.

[0065] Furthermore, the control system is also electrically connected to the conveying structure 13 to control the operation of the conveying structure 13 .

[0066] Among them, in this application, the control system is a PLC control system.

[0067] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0068] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0069] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0070] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0071] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0072] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A conveying device, characterized in that: The conveying device comprises: A conveying assembly (10), wherein the conveying assembly (10) has a conveying outlet; A material discharge assembly (20), the material discharge assembly (20) having a material discharge inlet and a material discharge outlet, the material discharge inlet being in communication with the delivery outlet; A stirring barrel (30), the stirring barrel (30) having a stirring inlet, the stirring inlet being arranged corresponding to the discharge outlet; A shielding component is arranged at the stirring inlet, and the shielding component has a shielding position for shielding the stirring inlet and a avoidance position away from the stirring inlet, and the shielding component can move between the shielding position and the avoidance position.

2. The conveying device according to claim 1, characterized in that A sealing structure is provided between the shielding component and the stirring barrel (30) to achieve sealing between the shielding component and the stirring inlet.

3. The conveying device according to claim 2, characterized in that: The stirring barrel (30) is provided with a sealing groove (31), the sealing groove (31) is annularly arranged around the outer periphery of the stirring inlet, and the sealing groove (31) contains a sealing liquid. The shielding assembly comprises a shielding plate (41), the shielding plate (41) has a shielding position and an escape position which are relatively arranged, and an annular baffle (411) is arranged at the bottom of the shielding plate (41), and the annular baffle (411) is adapted to the structure of the sealing groove (31). When the shielding plate (41) is located at the shielding position, the annular baffle (411) is located in the sealing groove (31), and at least a part of the annular baffle (411) is in contact with the sealing liquid. The sealing groove (31) and the annular baffle (411) cooperate to form the sealing structure.

4. The conveying device according to claim 3, characterized in that: The shielding assembly further comprises a driving member, the driving member being drivingly connected to the shielding plate (41), and the driving member driving the shielding plate (41) to move between the shielding position and the avoidance position.

5. The conveying device according to claim 1, characterized in that: The blanking assembly (20) comprises: A quantitative bin (21), the quantitative bin (21) having a first inlet and a first outlet which are connected to each other, the first inlet being arranged corresponding to the delivery outlet; a first valve (22), arranged at the first outlet, wherein the first valve (22) is capable of blocking or opening the first outlet; a second valve (23), arranged at the connection between the first inlet and the delivery outlet, wherein the second valve (23) can block or open the first inlet; a first pipe (24), one end of the first pipe (24) being flexibly connected to the first outlet, and the other end of the first pipe (24) being arranged corresponding to the stirring inlet; A first weighing sensor (25), wherein the first weighing sensor (25) is capable of detecting the weight of the quantitative bin (21).

6. The conveying device according to claim 5, characterized in that The unloading assembly (20) further comprises a first flexible sleeve (26), one end of the first flexible sleeve (26) is connected to the first valve (22), and the other end of the first flexible sleeve (26) is communicated with the first pipeline (24).

7. The conveying device according to claim 5, characterized in that The blanking assembly (20) further comprises: a second pipe (27), one end of the second pipe (27) being in communication with the delivery outlet, and the other end of the second pipe (27) being in communication with the second valve (23); A second flexible sleeve (28), one end of the second flexible sleeve (28) is communicated with the second valve (23), and the other end of the second flexible sleeve (28) is communicated with the first inlet.

8. The conveying device according to claim 1, characterized in that: The conveying assembly (10) comprises: A material storage bin (11), wherein the material storage bin (11) has a material inlet and a material outlet; A lifting structure (12), the lifting structure (12) having a lifting inlet and a discharge port, the discharge port being in communication with the material inlet, the lifting structure (12) transferring the material to the material storage bin (11) through the lifting inlet and the discharge port; A conveying structure (13), wherein the conveying structure (13) has a conveying inlet and the conveying outlet, wherein the conveying inlet is connected to the material outlet, and the conveying structure (13) can convey the material from the conveying inlet to the conveying outlet.

9. The conveying device according to claim 8, characterized in that The conveying assembly (10) further comprises: A second weighing sensor (14), wherein the second weighing sensor (14) is capable of detecting the weight of the storage bin (11).

10. The conveying device according to claim 5, characterized in that: The conveying device comprises a control system, wherein the control system is electrically connected to the first valve (22), the second valve (23) and the first weighing sensor (25); the first weighing sensor (25) is capable of transmitting a signal to the control system, and the control system is capable of controlling the opening of the first valve (22) and the second valve (23) through the signal of the first weighing sensor (25).