Self-sealing belt conveyor and method of operation thereof

Abstract

This invention relates to a self-sealing belt conveyor and its operating method. The self-sealing belt conveyor includes: a conveyor belt, a drive unit, and an opening / closing unit. The conveyor belt is used to convey materials. An embedded portion is provided on one side of the conveyor belt, and a protrusion is provided on the other side. The protrusion can be embedded into the interior of the embedded portion, so that the conveyor belt can close to form a conveying cavity for holding the materials. The drive unit is connected to the conveyor belt and is used to drive the conveyor belt to run. The opening / closing unit is located above the conveyor belt and has a passage groove for the embedded portion and the protrusion to pass through, so that the opening / closing unit can embed the protrusion into the embedded portion. By embedding the protrusion into the embedded portion through the opening / closing unit, the conveyor belt itself closes to form a conveying cavity, thereby preventing the spillage of powdery or semi-fluid materials. Furthermore, the sealing method of embedding the protrusion into the embedded portion improves the sealing performance of the conveyor belt, further preventing the possibility of material spillage or leakage.

Description

Technical Field

[0001] This invention relates to the field of material conveying equipment technology, and in particular to a self-sealing belt conveyor and its working method. Background Technology

[0002] Belt conveyors are a type of important mechanical equipment widely used in various industries. They are capable of transporting various solid block, powder, or packaged materials and significantly improving transportation efficiency.

[0003] Existing belt conveyor systems mainly consist of a conveyor belt, idlers, rollers, and a power unit, which can meet the conveying needs of most materials. However, when the conveyed material is powdery or semi-fluid, it is very easy for the material to spill off the conveyor belt. If it is necessary to keep the conveyor belt in a closed state during the material conveying process to prevent material spillage, multiple sets of near-quadrilateral or hexagonal idler transition devices must be used. By changing the running trajectory of the conveyor belt skirt, the cross-section of the conveyor belt on the conveying line takes on a shape similar to a square or cylinder, thereby preventing material spillage. This structural design is relatively complex. At the same time, although the skirts of the conveyor belt are pressed together by the external force of the idlers, the idler device alone cannot guarantee that the skirts of the conveyor belt will fit together tightly. Furthermore, during the material conveying process, the conveyor belt may still twist, causing material spillage.

[0004] Therefore, existing belt conveyor systems are not very effective at transporting powdery or semi-fluid materials. Summary of the Invention

[0005] To address the problem that existing belt conveyor devices are ineffective at transporting powdery or semi-fluid materials, this invention provides a self-sealing belt conveyor and its operating method.

[0006] To achieve the purpose of this invention, a self-sealing belt conveyor is provided, comprising: a conveyor belt for conveying materials; an embedding portion on one side of the conveyor belt and a protrusion on the other side of the conveyor belt, the protrusion being able to embed into the interior of the embedding portion so that the conveyor belt can close to form a conveying cavity for holding the materials; a drive unit connected to the conveyor belt and used to drive the conveyor belt to run; and an opening and closing portion disposed above the conveyor belt, and having a passage groove for the embedding portion and the protrusion to pass through, so that the opening and closing portion can embed the protrusion into the embedding portion.

[0007] In some specific embodiments, the protrusion is a flange post, which is disposed on one side of the conveyor belt and extends at both ends along the length of the conveyor belt; the embedding part is a concave flange post, which is disposed on the other side of the conveyor belt and extends at both ends along the length of the conveyor belt; the interior of the concave flange post is hollow, and an opening is provided on one side of the concave flange post to form an embedding groove on the concave flange post that can be embedded into the flange post.

[0008] In some specific embodiments, the drive unit includes: a first roller assembly, one end of the conveyor belt being disposed around the first roller assembly; and a second roller assembly, the other end of the conveyor belt being disposed around the second roller assembly; the first roller assembly and the second roller assembly are rotatably coupled to drive the conveyor belt to run.

[0009] In some specific embodiments, there are two opening and closing parts, which are symmetrically arranged; one opening and closing part is located above the end of the conveyor belt near the first roller assembly, and is used to embed the flange post into the embedding groove of the concave flange post; the other opening and closing part is located above the end of the conveyor belt near the second roller assembly, and is used to separate the flange post embedded in the embedding groove of the concave flange post.

[0010] In some specific embodiments, a material box is provided on the side of the second roller assembly away from the first roller assembly; the material box is provided with a receiving cavity for containing materials, and the material box is provided with an opening, which is positioned directly opposite the conveyor belt wound around the second roller assembly, so that the materials conveyed on the conveyor belt can enter the receiving cavity.

[0011] In some specific embodiments, a brush is also provided below the second roller assembly, with the brush positioned directly opposite the bottom of the second roller assembly so that the brush head can come into contact with the conveyor belt wound around the second roller assembly. The brush is used to clean residual material on the conveyor belt.

[0012] In some specific embodiments, a guide pipe is provided above the first roller assembly; the outlet of the guide pipe is positioned directly opposite the conveyor belt so that material can be placed onto the conveyor belt through the guide pipe.

[0013] In some specific embodiments, the opening and closing part includes: a top plate and a bottom plate, which are arranged facing each other vertically and with a gap between them; a connecting rod, which is disposed between the top plate and the bottom plate and is used to connect and fix the top plate and the bottom plate; guide plates are symmetrically arranged on both sides of the bottom surface of the top plate, which are used to restrict the travel direction of the flange post and the concave flange post so as to embed the flange post into the embedding groove of the concave flange post; the top plate, the bottom plate and the guide plates together form a passage groove.

[0014] In some specific embodiments, the self-sealing belt conveyor further includes a power unit; the power unit is connected to the first roller assembly and the second roller assembly to control the rotation of the first roller assembly and the second roller assembly according to the conveying power required by the conveyor belt.

[0015] A method for operating a self-sealing belt conveyor based on the same concept includes the following steps:

[0016] Step 1: Start the power unit to make the first roller assembly and the second roller assembly rotate and cooperate, driving the conveyor belt to run. At the same time, the material is conveyed onto the conveyor belt through the guide pipe.

[0017] Step 2: The conveyor belt containing the material passes through the first opening and closing section, causing the flange post on one side of the conveyor belt to be embedded in the groove of the concave flange post on the other side, and then the material is held in the conveying cavity formed by the conveyor belt and continues to be conveyed; the conveyor belt holding the material passes through the second opening and closing section, causing the flange post embedded in the groove of the concave flange post to disengage from it.

[0018] Third, after the conveyor belt containing the material reaches the second roller assembly, the material falls into the receiving cavity of the material box located on one side of the second roller assembly; as the second roller assembly continues to rotate, the brush head of the brush will clean the conveyor belt surrounding the second roller assembly.

[0019] The beneficial effects of this invention are:

[0020] The self-sealing belt conveyor of the present invention allows the protrusions of the conveyor belt to be embedded in the embedding part through the opening and closing part, thereby enabling the conveyor belt itself to be closed and enclosed to form a conveying cavity for holding materials. When the conveyor belt conveys powdery or semi-fluid materials, it can prevent materials from spilling off the conveyor belt. Furthermore, by using the method of embedding the protrusions into the embedding part, the sealing performance of the conveyor belt in the closed state is also improved, preventing material from escaping or leaking. At the same time, the self-sealing of the conveyor belt can be achieved through a relatively simple structural design.

[0021] The self-sealing belt conveyor of the present invention operates by directly sealing the conveyor belt itself through a first opening and closing part during the material conveying process, thereby preventing material spillage or leakage. Subsequently, a second, reverse-positioned opening and closing part unfolds the sealed conveyor belt, allowing the material to fall into a material bin for collection. This improves the efficiency of conveying powdery or semi-fluid materials. Attached Figure Description

[0022] Figure 1 These are schematic diagrams of some specific embodiments of a self-sealing belt conveyor device according to the present invention;

[0023] Figure 2 yes Figure 1 The diagram shows structural schematics of some specific embodiments of the conveyor belt.

[0024] Figure 3 yes Figure 2 The AA cross-sectional view of the conveyor belt shown;

[0025] Figure 4 yes Figure 1 Schematic diagrams of some specific embodiments of the opening and closing part shown;

[0026] Figure 5 yes Figure 4 Left view of the structure of some specific embodiments of the opening and closing part shown;

[0027] Figure 6 yes Figure 4 Top view of the structure of some specific embodiments of the opening and closing part shown;

[0028] Figure 7 This is a flowchart of the working method of a self-sealing belt conveyor according to the present invention.

[0029] In the attached drawings, 100 is the conveyor belt; 110 is the protrusion; 111 is the flange post; 120 is the embedded part; 121 is the concave flange post; 1211 is the embedded groove; 200 is the drive unit; 210 is the first roller assembly; 220 is the second roller assembly; 300 is the opening and closing part; 310 is the top plate; 320 is the bottom plate; 330 is the connecting rod; 340 is the guide plate; 350 is the through groove; 400 is the material box; 410 is the receiving cavity; 420 is the sliding plate; 500 is the brush; 510 is the brush head; and 600 is the guide pipe. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0032] In the description of this invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axis", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," "fixing," "linking," "hinging," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 A self-sealing belt conveyor includes a conveyor belt 100, a drive unit 200, and an opening / closing unit 300. The conveyor belt 100 is used to convey materials. One side of the conveyor belt 100 has an insert portion 120, and the other side has a protrusion 110. The protrusion 110 can be inserted into the insert portion 120, so that the conveyor belt 100 can close to form a conveying cavity for holding the materials. The drive unit 200 is connected to the conveyor belt 100 and is used to drive the conveyor belt 100. The opening / closing unit 300 is disposed above the conveyor belt 100, and has a passage groove 350 for the insert portion 120 and the protrusion 110 to pass through, so that the opening / closing unit 300 can insert the protrusion 110 into the insert portion 120.

[0036] Specifically, the top surface of the conveyor belt 100 can hold materials, which will move along with the conveyor belt 100 as it runs. A protrusion 110 is provided on one side of the conveyor belt 100 in the width direction, and an insert 120 is provided on the other side. The insert 120 is hollow, and its dimensions are matched with those of the protrusion 110, allowing the protrusion 110 to be inserted into the insert 120. This allows the conveyor belt 100 to fold from its center, forming a conveying cavity, which is a closed space used to hold the materials. A drive unit 200 is connected to the conveyor belt 100, driving the conveyor belt 100 to move and thus the materials. The opening and closing part 300 is disposed above the conveyor belt 100. The structure of the opening and closing part 300 is similar to that of a zipper head. The interior of the opening and closing part 300 is hollow, thereby forming a groove 350 on the opening and closing part 300. The protrusion 110 and the embedded part 120 of the conveyor belt 100 can pass through the groove 350 together. Under the restriction of the groove 350, the protrusion 110 and the embedded part 120 fit together, that is, the protrusion 110 is embedded in the interior of the embedded part 120. The conveyor belt 100 runs under the action of the drive unit 200, thereby driving the material to move. When the conveyor belt 100 carrying the material passes through the opening and closing part 300, under the action of the passage groove 350 of the opening and closing part 300, the protrusion 110 will be embedded in the embedding part 120, thereby making the conveyor belt 100 itself enclose a closed conveying cavity and holding the material to continue running. The structure is simple and easy to implement. At the same time, the conveying cavity enclosed by the conveyor belt 100 has good sealing performance, reducing the probability of powdery or semi-fluid materials being released or leaked.

[0037] In some specific embodiments of the present invention, the protrusion 110 is a flange post 111, which is a solid structure. The flange post 111 is disposed on one side of the conveyor belt 100 in the width direction, and both ends of the flange post 111 extend along the length direction of the conveyor belt 100 to both ends of the conveyor belt 100 in the length direction. The embedding part 120 is a concave flange post 121, which is disposed on the other side of the conveyor belt 100 in the width direction, and both ends of the concave flange post 121 extend along the length direction of the conveyor belt 100 to both ends of the conveyor belt 100 in the length direction. The interior of the concave flange post 121 is hollow, and an opening is provided on the side of the concave flange post 121 away from the flange post 111, so that the inner wall of the concave flange post 121 can be closed to form an embedding groove 1211 into which the flange post 111 can be embedded. Under the action of the through groove 350 of the opening and closing part 300, the conveyor belt 100 will be bent so that the openings of the flange post 111 and the concave flange post 121 are aligned. Under the restriction of the through groove 350, the flange post 111 can be inserted into the insertion groove 1211 of the concave flange post 121 through the opening of the concave flange post 121, thereby realizing the closed structure of the conveying cavity of the conveyor belt 100.

[0038] In some specific embodiments of the present invention, the drive unit 200 includes a first roller assembly 210 and a second roller assembly 220. One end of the conveyor belt 100 is wrapped around the first roller assembly 210. The other end of the conveyor belt 100 is wrapped around the second roller assembly 220. The first roller assembly 210 and the second roller assembly 220 are rotatably coupled to drive the conveyor belt 100 to run. The first roller assembly 210 is disposed at one end of the conveyor belt 100 in the length direction, so that one end of the conveyor belt 100 in the length direction can be wrapped around the first roller assembly 210. By rotating the first roller assembly 210, the conveyor belt 100 wrapped around the first roller assembly 210 will gradually extend out of the first roller assembly 210. The second roller assembly 220 is disposed at the other end of the conveyor belt 100 along its length, allowing the other end of the conveyor belt 100 to wrap around the second roller assembly 220. As the second roller assembly 220 rotates, the conveyor belt 100 that is not yet wrapped around it gradually wraps around and is retracted by the second roller assembly 220. With the coordinated rotation between the first roller assembly 210 and the second roller assembly 220, the conveyor belt 100 extending from the first roller assembly 210 is continuously and gradually retracted by the second roller, thus enabling the conveyor belt 100 to operate.

[0039] In some specific embodiments of the present invention, there are two opening and closing portions 300, which are symmetrically arranged, i.e., one opening and closing portion 300 is arranged facing forward, and the other opening and closing portion 300 is arranged in reverse. One opening and closing portion 300 is located above one end of the conveyor belt 100 near the first roller assembly 210 in the body length direction. This opening and closing portion 300 is arranged facing forward, and through this opening and closing portion 300, the flange post 111 of the conveyor belt 100 can be embedded in the embedding groove 1211 of the concave flange post 121, thereby closing the conveyor belt 100. The other opening and closing portion 300 is located above one end of the conveyor belt 100 near the second roller assembly 220 in the body length direction. This opening and closing portion 300 is arranged in reverse relative to the first opening and closing portion 300. Through this opening and closing portion 300, the flange post 111 of the conveyor belt 100 embedded in the embedding groove 1211 of the concave flange post 121 can be separated from the concave flange post 121, thereby facilitating subsequent material collection.

[0040] In some specific embodiments of the present invention, a material box 400 is provided on the side of the second roller assembly 220 away from the first roller assembly 210. The material box 400 is hollow inside, thereby forming a receiving cavity 410 for receiving collected materials. The top of the material box 400 is provided with an opening, and the top opening of the material box 400 is directly opposite to the conveyor belt 100 surrounding the second roller assembly 220. A sliding plate 420 is provided at the top opening of the material box 400. One side of the sliding plate 420 is connected to the side wall of the opening of the material box 400, and the other side of the sliding plate 420 faces the conveyor belt 100 surrounding the second roller assembly 220, so that the materials conveyed on the conveyor belt 100 can enter the receiving cavity 410 through the sliding plate 420. As the second roller assembly 220 rotates continuously, the conveyor belt 100 will continuously wrap around the second roller assembly 220. As the conveyor belt 100 wraps around the second roller assembly 220, the material on the conveyor belt 100 will fall onto the top surface of the slide plate 420 and along the slide plate 420 until it falls into the receiving cavity 410 of the material box 400.

[0041] In some specific embodiments of the present invention, a brush 500 is also provided below the bottom of the second roller assembly 220. The top of the brush 500 is positioned directly opposite the bottom of the second roller assembly 220, so that the top brush head 510 of the brush 500 can abut against the conveyor belt 100 surrounding the second roller assembly 220. The two ends of the brush 500 extend along the width direction of the second roller assembly 220, so that the top brush head 510 of the brush 500 can fully abut against the conveyor belt 100 surrounding the second roller assembly 220. As the second roller assembly 220 rotates continuously, the conveyor belt 100 will be continuously drawn into the second roller assembly 220. As the conveyor belt 100 is continuously drawn up, the brush 500 will also continuously scrape the top surface of the conveyor belt 100, thereby cleaning away any remaining adhesive material that may still exist on the conveyor belt 100.

[0042] In some specific embodiments of the present invention, a guide pipe 600 is provided above the top of the first roller assembly 210. The bottom of the guide pipe 600 is the discharge port. By setting the guide pipe 600 at an angle, the discharge port of the guide pipe 600 can be set towards the top surface of the conveyor belt 100, and the material can be discharged onto the top surface of the conveyor belt 100 through the guide pipe 600.

[0043] In some specific embodiments of the present invention, the opening / closing portion 300 includes a top plate 310, a bottom plate 320, and a connecting rod 330. The top plate 310 and the bottom plate 320 are arranged vertically opposite each other, with a gap between them. The connecting rod 330 is disposed between the top plate 310 and the bottom plate 320, and is used to connect and fix the top plate 310 and the bottom plate 320. Guide plates 340 are symmetrically arranged on both sides of the bottom surface of the top plate 310. The guide plates 340 are used to restrict the travel direction of the flange post 111 and the concave flange post 121, so as to embed the flange post 111 into the embedding groove 1211 of the concave flange post 121. The top plate 310, the bottom plate 320, and the guide plates 340 together form a through groove 350.

[0044] Specifically, the top plate 310 is positioned above and directly opposite the bottom plate 320. There is a certain gap between the top plate 310 and the bottom plate 320. The connecting rod 330 is positioned within this gap. The connecting rod 330 is vertically positioned, with its top end aligned with one side of the middle of the bottom surface of the top plate 310 and its bottom end aligned with one side of the middle of the top surface of the bottom plate 320. Thus, the connecting rod 330 divides the top plate 310 and the bottom plate 320 into two parts. The width of the top plate 310 gradually decreases on the side away from the connecting rod 330. Guide plates 340 are symmetrically arranged on both sides of the bottom surface of the top plate 310, running along the edge of the top plate 310. The bottom plate 320, top plate 310, and guide plates 340 together form a passageway 350. The passageway 350 is divided in two by the connecting rod 330 located in the middle of the bottom plate 320 and top plate 310. The passageway 350 on one side of the connecting rod 330 is used for the flange post 111 of the conveyor belt 100 to pass through, while the passageway on the other side of the connecting rod 330... The concave flange post 121 of the conveyor belt 100 passes through the groove 350. As the convex flange post 111 and the concave flange post 121 gradually pass through the groove 350, the distance between the guide plates 340 on both sides of the bottom surface of the top plate 310 will become smaller and smaller. This will make the distance between the convex flange post 111 and the concave flange post 121 passing through the groove 350 closer and closer. Through the limiting effect of the guide plates 340 on the convex flange post 111 and the concave flange post 121, the convex flange post 111 is finally embedded in the embedding groove 1211 of the concave flange post 121, thereby realizing the closed structure of the conveyor belt 100. Similarly, in the reverse-configured opening and closing section 300, the already closed conveyor belt 100 will, after entering the trough 350, as the width of the guide plate 340 continues to expand, the restrictive effect of the guide plates 340 on the flange posts 111 and concave posts 121 on both sides of the bottom surface of the top plate 310 will become less and less, and then the connecting rod 330 will cut open the interlocking connection structure of the flange posts 111 and concave posts 121, thereby unfolding the closed structure of the conveyor belt 100.

[0045] In some specific embodiments of the present invention, the self-sealing belt conveyor further includes a power unit. This power unit can be a drive motor. By connecting the power unit to the first roller assembly 210 and the second roller assembly 220 respectively, the rotation of the first roller assembly 210 and the second roller assembly 220 can be controlled. The output power of the power unit can be adjusted to drive and control the first roller assembly 210 and the second roller assembly 220 to rotate at a suitable rate according to the required conveying power of the conveyor belt 100.

[0046] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The present invention also provides a method for operating a self-sealing belt conveyor, comprising the following steps:

[0047] S100: Start the power unit to make the first roller assembly 210 and the second roller assembly 220 rotate and cooperate, drive the conveyor belt 100 to run, and at the same time, convey materials onto the conveyor belt 100 through the guide pipe 600.

[0048] S200: The conveyor belt 100, containing material, passes through the first opening and closing section 300, causing the flange post 111 on one side of the conveyor belt 100 to embed into the embedding groove 1211 of the concave flange post 121 on the other side. The material is then held in the conveying cavity formed by the conveyor belt 100 and continues to be conveyed. The conveyor belt 100, holding the material, passes through the second opening and closing section 300, causing the flange post 111 embedded in the embedding groove 1211 of the concave flange post 121 to disengage.

[0049] S300, after the conveyor belt 100 containing material reaches the second roller assembly 220, the material falls into the receiving cavity 410 of the material box 400 located on one side of the second roller assembly 220. As the second roller assembly 220 continues to rotate, the brush head 510 of the brush 500 cleans the conveyor belt 100 surrounding the second roller assembly 220.

[0050] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "a specific embodiment" or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0051] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A self-sealing belt conveyor device, characterized in that, include: Conveyor belt, the conveyor belt being used to transport materials; One side of the conveyor belt is provided with an embedding part, and the other side of the conveyor belt is provided with a protrusion part. The protrusion part can be embedded into the interior of the embedding part so that the conveyor belt can be closed to form a conveying cavity for holding materials. A drive unit, which is connected to the conveyor belt, is used to drive the conveyor belt to run; An opening and closing part is provided above the conveyor belt, and the opening and closing part is provided with a groove for the conveyor belt to pass through an embedding part and a protrusion, so that the opening and closing part can embed the protrusion into the embedding part. The protrusion is a flange post, which is disposed on one side of the conveyor belt, and both ends of the flange post extend along the length of the conveyor belt. The embedded part is a concave flange post, which is disposed on the other side of the conveyor belt, and both ends of the concave flange post extend along the length direction of the conveyor belt body; The concave flange post is hollow inside, and an opening is provided on one side of the concave flange post to form an embedding groove on the concave flange post that can be embedded into the flange post. The opening / closing part includes: A top plate and a bottom plate are arranged facing each other vertically, with a gap between them; A connecting rod is disposed between the top plate and the bottom plate, and the connecting rod is used to connect and fix the top plate and the bottom plate; Guide plates are symmetrically arranged on both sides of the bottom surface of the top plate. The guide plates are used to restrict the travel direction of the flange post and the concave post so as to embed the flange post into the embedding groove of the concave post. Furthermore, the width of the top plate gradually decreases on the side away from the connecting rod, and the guide plate is arranged along the edge of the top plate; The top plate, the bottom plate, and the guide plate together form the passage groove.

2. The self-sealing belt conveyor device according to claim 1, wherein, The drive unit includes: The first roller assembly, with one end of the conveyor belt wrapped around the first roller assembly; The second roller assembly, with the other end of the conveyor belt wrapped around the second roller assembly; The first roller assembly and the second roller assembly rotate in a rotatable engagement to drive the conveyor belt.

3. The self-sealing belt conveyor according to claim 2, wherein, There are two opening and closing parts, and the two opening and closing parts are symmetrically arranged; One of the opening and closing parts is disposed above one end of the conveyor belt near the first roller assembly, for embedding the flange post into the embedding groove of the concave flange post; Another of the opening and closing portions is disposed above one end of the conveyor belt near the second roller assembly, for separating the flange post embedded in the groove of the concave flange post.

4. The self-sealing belt conveyor according to claim 2 or 3, wherein, The second roller assembly has a material box on the side opposite to the first roller assembly; The material box is provided with a receiving cavity for holding materials. The material box is provided with an opening, and the opening of the material box is positioned directly opposite the conveyor belt wound around the second roller assembly, so that the materials conveyed on the conveyor belt can enter the receiving cavity.

5. The self-sealing belt conveyor according to claim 4, wherein, A brush is also provided below the second roller assembly, with the brush positioned directly opposite the bottom of the second roller assembly so that the brush head can abut against the conveyor belt wound around the second roller assembly. The brush is used to clean residual material on the conveyor belt.

6. The self-sealing belt conveyor according to claim 5, wherein, A guide pipe is provided above the first roller assembly; The discharge port of the guide pipe is positioned directly opposite the conveyor belt so that materials can be placed onto the conveyor belt through the guide pipe.

7. The self-sealing belt conveyor according to claim 2 or 3, wherein, The self-sealing belt conveyor also includes a power unit; The power unit is connected to the first roller assembly and the second roller assembly to control the rotation of the first roller assembly and the second roller assembly according to the conveying power required by the conveyor belt.

8. A method for operating a self-sealing belt conveyor, characterized in that, Includes the following steps: Step 1: Start the power unit to make the first roller assembly and the second roller assembly rotate and cooperate, driving the conveyor belt to run. At the same time, the material is conveyed onto the conveyor belt through the guide pipe. Step 2: The conveyor belt containing the material passes through the first opening and closing section, causing the flange post on one side of the conveyor belt to be embedded in the groove of the concave flange post on the other side, and then the material is held in the conveying cavity formed by the conveyor belt and continues to be conveyed; the conveyor belt holding the material passes through the second opening and closing section, causing the flange post embedded in the groove of the concave flange post to disengage from it. Third, after the conveyor belt containing the material reaches the second roller assembly, the material falls into the receiving cavity of the material box located on one side of the second roller assembly; as the second roller assembly continues to rotate, the brush head of the brush will clean the conveyor belt surrounding the second roller assembly.

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