A waste conveying device

Abstract

The utility model provides a kind of waste conveying device, it includes pedestal, chain and drive mechanism;Pedestal is provided with waste channel in, and pedestal includes multiple modules, module is provided with waste channel unit, multiple modules are sequentially arranged, and the waste channel unit of each module sequentially communicates and constitutes waste channel;Multiple modules are divided into the first module located in one end and the second module located in other end in, the driving sprocket is provided in the first module, the driven sprocket is provided in the second module, and the driving sprocket, driven sprocket are mutually spaced along the extension direction of waste channel;Chain is wound on driving sprocket, driven sprocket, and scraper is provided on chain, and scraper is located in waste channel;Drive mechanism is connected with driving sprocket, to drive driving sprocket rotation, to drive chain operation, to make scraper push waste in waste channel. Compared with prior art, the waste conveying device of the utility model adopts modularization design, and it is convenient for packaging, transportation.

Description

Technical Field

[0001] This utility model relates to the field of tobacco machinery technology, and in particular to a waste conveying device. Background Technology

[0002] During the production of tobacco processing equipment, various waste materials are usually generated. For example, waste smoke is generated in the loading and unloading part of the cigarette making equipment.

[0003] Waste needs to be collected and cleaned up after it is generated. Currently, there are two main methods for waste collection: one is to place multiple waste collection bins, and the other is to use a conveyor belt to transport the waste to a designated location for unified recycling. Placing waste collection bins requires manual emptying of the waste into designated containers. Because the bins need to be frequently dragged out, the protective door at the front of the equipment cannot be properly sealed, which is detrimental to noise reduction and dust removal. While the conveyor belt method solves the above problems well, it is not well-suited for situations requiring long-distance waste collection: the longer the distance, the more difficult it is to control the machining precision of the corresponding parts of the conveyor belt, and excessively long conveyor systems cause inconvenience in packaging and transportation. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a waste conveying device that uses a chain-driven scraper to convey waste. It employs a modular structure, allowing for the addition or removal of modules as needed to achieve conveying distances of varying distances. Due to the modular design, each module is not excessively long, avoiding excessive difficulty in parts processing and facilitating packaging and transportation. Through module combination, waste can be conveyed over long distances, and it can be adapted to different equipment, improving its versatility.

[0005] A waste conveying device includes a base, a chain, and a drive mechanism;

[0006] The base is provided with a waste channel, and the base includes multiple modules. Each module is provided with a waste channel unit. The multiple modules are arranged in sequence, and the waste channel units of each module are connected in sequence to form the waste channel.

[0007] The multiple modules are divided into a first module located at one end and a second module located at the other end. The first module is provided with a drive sprocket, and the second module is provided with a driven sprocket. The drive sprocket and the driven sprocket are spaced apart from each other along the extension direction of the waste channel.

[0008] The chain is wound around the driving sprocket and the driven sprocket, and a scraper is provided on the chain, the scraper being located in the waste channel;

[0009] The drive mechanism is connected to the drive sprocket and is used to drive the drive sprocket to rotate, thereby driving the chain to run, so that the scraper pushes the waste in the waste channel.

[0010] Preferably, the plurality of modules further includes one or more intermediate modules located between the first module and the second module.

[0011] Preferably, the chain includes a first chain and a second chain that is spaced apart from and directly opposite the first chain, and the scraper is disposed between the first chain and the second chain;

[0012] The drive sprocket includes a first drive sprocket and a second drive sprocket that is spaced directly opposite the first drive sprocket.

[0013] The driven sprocket includes a first driven sprocket and a second driven sprocket that is spaced directly opposite the first driven sprocket;

[0014] The first chain is wound around the first driving sprocket and the first driven sprocket, and the second chain is wound around the second driving sprocket and the second driven sprocket.

[0015] Preferably, the module is provided with a channel cover plate and a first guide rail and a second guide rail provided on the left and right sides of the channel cover plate. The channel cover plate, the first guide rail and the second guide rail together form the waste channel unit with an open top.

[0016] The first chain is inserted into the track of the first guide rail, and the second chain is inserted into the track of the second guide rail.

[0017] Preferably, the driving mechanism includes a drive motor and a drive shaft. The drive motor is mounted on the first module, and the drive shaft is mounted in the first module via bearings. The drive shaft is connected to the output shaft of the drive motor.

[0018] The first drive sprocket and the second drive sprocket are respectively mounted on the drive shaft.

[0019] Preferably, the first drive sprocket is mounted on the drive shaft via a first connecting flange, the first connecting flange is connected to the drive shaft via a first flat key, and a first locating pin is provided between the first drive sprocket and the first connecting flange.

[0020] The second drive sprocket is mounted on the drive shaft via a second connecting flange. The second connecting flange is connected to the drive shaft via a second flat key. A second locating pin is provided between the second drive sprocket and the second connecting flange.

[0021] Preferably, the first module is provided with a first bearing housing and a second bearing housing, the first bearing housing and the second bearing housing are spaced apart from each other, one end of the drive shaft is connected to the first bearing housing through the first bearing, and the other end of the drive shaft is connected to the second bearing housing through the second bearing.

[0022] Preferably, the base is further provided with a chain tensioning mechanism, through which the chain passes.

[0023] Preferably, the chain tensioning mechanism includes a first tensioning wheel, a second tensioning wheel, and a third tensioning wheel arranged in sequence. The first tensioning wheel and the third tensioning wheel are located on the outer side of the chain, and the second tensioning wheel is located on the inner side of the chain. The second tensioning wheel can be raised and lowered.

[0024] Preferably, along the running direction of the chain, a plurality of scrapers are sequentially arranged on the chain, and the scrapers are evenly spaced on the chain.

[0025] Compared with the prior art, the waste conveying device provided by this utility model includes a base, a chain, and a drive mechanism. A waste channel is provided within the base, and the base includes multiple modules, each containing a waste channel unit. These modules are arranged sequentially, and the waste channel units of each module are sequentially connected to form the waste channel. The multiple modules are divided into a first module at one end and a second module at the other end. The first module has a driving sprocket, and the second module has a driven sprocket. The driving sprocket and the driven sprocket are spaced apart from each other along the extension direction of the waste channel. The chain is wound around the driving sprocket and the driven sprocket, and a scraper is provided on the chain, located within the waste channel. The drive mechanism is connected to the driving sprocket to drive the driving sprocket to rotate, thereby driving the chain to run, so that the scraper pushes the waste in the waste channel. The waste conveying device adopts a modular structure, and the number of modules in the base can be increased or decreased according to needs to achieve conveying of different distances. The waste is conveyed by the chain driving the scraper, and the number of chain links can be increased or decreased according to the number of modules, thereby adapting to the conveying of waste of different lengths. This allows the waste conveying device to be flexibly assembled and adapted to different equipment, improving the versatility of the waste conveying device. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 A three-dimensional structural schematic diagram of a waste conveying device provided in one embodiment;

[0028] Figure 2 for Figure 1 The diagram shows the internal structure of the first module.

[0029] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure at the drive shaft in the first module shown;

[0030] Figure 4 for Figure 1 A cross-sectional structural diagram of the intermediate module shown;

[0031] Figure label:

[0032] Waste conveying device 100;

[0033] Base 10, Module 11, First Module 101, Second Module 102, Intermediate Module 103, First Guide Rail 113, First Connecting Plate 1131, First Cover Plate 1132, First Connecting Strip 1133, Second Guide Rail 114, Second Connecting Plate 1141, Second Cover Plate 1142, First Bearing Seat 115, Second Bearing Seat 116, Bearing Seat Mounting Bracket 1161, Chain Tensioning Mechanism 117, First Tensioning Wheel 1171, Second Tensioning Wheel 1172, Third Tensioning Wheel 1173, Tensioning Bolt 1174, Frame 118, Channel Bottom Plate 1181, Channel Cover Plate 1182, Side Plate 119, Second Connecting Strip 1191;

[0034] Chain 20, first chain 21, second chain 22;

[0035] Drive mechanism 30, drive motor 31, drive shaft 32, bearing 33, first bearing 331, second bearing 332, motor bracket 34;

[0036] Waste channel 40, waste channel unit 41;

[0037] Drive sprocket 50, first drive sprocket 51, second drive sprocket 52, first connecting flange 53, first flat key 54, first locating pin 55, second connecting flange 56, second flat key 57, second locating pin 58;

[0038] Driven sprocket 60;

[0039] Scraper 70;

[0040] Connecting cover 80. Detailed Implementation

[0041] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] It should be noted that when a component is referred to as being "fixed to", "mounted to", or "set on" another component, it can be directly on or indirectly set on the other component; when a component is "connected" to another component, or a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0043] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 application and 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 application.

[0044] 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 application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0045] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0046] This utility model provides a waste conveying device, which includes a base, a chain, and a drive mechanism. The base has a waste channel and includes multiple modules, each containing a waste channel unit. These modules are arranged sequentially, and the waste channel units of each module are connected sequentially to form the waste channel. The modules are divided into a first module at one end and a second module at the other end. The first module has a driving sprocket, and the second module has a driven sprocket. The driving and driven sprockets are spaced apart along the extension direction of the waste channel. The chain is wound around the driving and driven sprockets, and a scraper is mounted on the chain, located within the waste channel. The drive mechanism is connected to the driving sprocket to drive its rotation, thereby driving the chain to move and causing the scraper to push the waste material in the waste channel. The waste conveying device adopts a modular structure, and the number of modules in the base can be increased or decreased according to needs to achieve conveying of different distances. The waste is conveyed by the chain driving the scraper, and the number of chain links can be increased or decreased according to the number of modules, thereby adapting to the conveying of waste of different lengths. This allows the waste conveying device to be flexibly assembled and adapted to different equipment, improving the versatility of the waste conveying device.

[0047] Please refer to the following: Figures 1 to 4 In one embodiment, a waste conveying device 100 is provided, which is used in tobacco processing equipment for collecting and conveying tobacco waste.

[0048] The waste conveying device 100 includes a base 10, a chain 20, and a drive mechanism 30. A waste channel 40 is provided within the base 10, primarily used to accommodate waste discharged from the tobacco processing equipment. The base 10 includes multiple (at least two) modules 11, each containing a waste channel unit 41. These modules 11 are arranged sequentially, and the waste channel units 41 of each module 11 are sequentially connected to form the waste channel 40. In other words, the base 10 has a modular structure, composed of multiple modules 11, with the waste channel units 41 in each module 11 sequentially connected to form a complete waste channel 40.

[0049] The multiple modules 11 are divided into a first module 101 located at one end and a second module 102 located at the other end. The first module 101 is provided with a drive sprocket 50, and the second module 102 is provided with a driven sprocket 60. The drive sprocket 50 and the driven sprocket 60 are spaced apart from each other along the extension direction of the waste channel 40. The chain 20 is wound around the drive sprocket 50 and the driven sprocket 60, and a scraper 70 is provided on the chain 20. The scraper 70 is located in the waste channel 40. The drive mechanism 30 is connected to the drive sprocket 50 to drive the drive sprocket 50 to rotate, thereby driving the chain 20 to run, so that the scraper 70 pushes the waste in the waste channel 40.

[0050] In use, the waste conveying device 100 is set at the waste discharge position of each module in the tobacco processing equipment. The waste generated by each module in the tobacco processing equipment falls into the waste channel 40, and then the chain 20 is driven by the drive mechanism 30 to run, thereby pushing the waste to one side through the scraper 70. This pushes the waste to a designated location for unified recycling.

[0051] Understandably, in existing technologies, there are two main methods for waste collection in tobacco processing equipment: one is to place waste collection bins in each module of the equipment, and the other is to use a conveyor belt to transport the waste to a designated location for unified recycling. Using waste collection bins requires frequent removal, affecting the sealing of the equipment's protective doors and hindering noise and dust reduction. Conveyor belts, on the other hand, are unsuitable for long-distance waste collection. The longer the waste needs to be transported, the more difficult it becomes to control the machining precision of the corresponding parts of the conveyor belt. Furthermore, excessively long conveyor systems cause inconvenience in packaging and transportation, and are not well-suited for longer tobacco processing equipment.

[0052] The waste conveying device 100 provided in this embodiment adopts a modular combination structure. The base 10 is composed of multiple modules 11. The modules 11 can be added or removed according to the actual tobacco processing equipment used, thus adapting to various types of tobacco processing equipment and improving versatility. Furthermore, the modular design ensures that each module 11 is not excessively long, avoiding excessive difficulty in parts processing and facilitating packaging and transportation. Through the combination of modules, waste can be conveyed over long distances. Simultaneously, the scraper 70 is driven by a chain drive to convey the waste. The number of chain links 20 can be increased according to actual needs to adapt to different lengths of the base 10, enabling long-distance pushing and transfer of waste. For example, when the length of the base 10 needs to be increased, the number of modules 11 and the number of chain links 20 can be increased to achieve long-distance waste pushing and transfer.

[0053] Preferably, in one embodiment, the plurality of modules 11 further includes one or more intermediate modules 103 located between the first module 101 and the second module 102. The main function of the intermediate module 103 is to lengthen the base 10, increase the conveying distance, and thus adapt to use with longer tobacco processing equipment. For example, as Figure 1 In the illustrated embodiment, two intermediate modules 103 are provided between the first module 101 and the second module 102 to increase the conveying distance. Of course, in other embodiments, fewer or more intermediate modules 103 may be provided, depending on actual needs.

[0054] Specifically, in such Figure 1 In the illustrated embodiment, the two intermediate modules 103 have the same structure, differing only in length. Each module 11 corresponds to one module in the tobacco processing equipment. Of course, in other embodiments, the intermediate modules 103 may also have the same length, and can be flexibly selected according to actual needs.

[0055] Once all the modules 11 are in place, they can also be detachably connected as needed to ensure that the positions of the modules 11 are reliable.

[0056] Preferably, in one embodiment, the chain 20 includes a first chain 21 and a second chain 22 spaced apart and directly opposite to the first chain 21, and the scraper 70 is disposed between the first chain 21 and the second chain 22. The drive sprocket 50 includes a first drive sprocket 51 and a second drive sprocket 52 spaced apart and directly opposite to the first drive sprocket 51; the driven sprocket 60 includes a first driven sprocket and a second driven sprocket spaced apart and directly opposite to the first driven sprocket; the first chain 21 is wound around the first drive sprocket 51 and the first driven sprocket, and the second chain 22 is wound around the second drive sprocket 52 and the second driven sprocket. This structure allows for smoother driving of the scraper 70, making the scraper 70 more stable under force, less prone to skewing, and improving the stability of material pushing.

[0057] Preferably, in one embodiment, the module 11 is provided with a channel cover 1182 and a first guide rail 113 and a second guide rail 114 disposed on both sides of the channel cover 1182. The channel cover 1182, the first guide rail 113, and the second guide rail 114 together form the waste channel unit 41 with an open top. The first chain 21 is fitted into the track of the first guide rail 113, and the second chain 22 is fitted into the track of the second guide rail 114. The arrangement of the first guide rail 113 and the second guide rail 114 can guide the chain 20 during operation, ensuring the smooth and reliable operation of the chain 20.

[0058] Preferably, in one embodiment, the drive mechanism 30 includes a drive motor 31 and a drive shaft 32. The drive motor 31 is mounted on the first module 101, and the drive shaft 32 is mounted in the first module 101 via a bearing 33, and the drive shaft 32 is connected to the output shaft of the drive motor 31. The first drive sprocket 51 and the second drive sprocket 52 are respectively mounted on the drive shaft 32. During operation, the drive motor 31 drives the drive shaft 32 to rotate, thereby driving the first drive sprocket 51 and the second drive sprocket 52 to rotate, thus driving the first chain 21 and the second chain 22. This structure can better ensure the synchronicity of the operation of the first chain 21 and the second chain 22.

[0059] Specifically, in one embodiment, the drive shaft 32 is connected to the output shaft of the drive motor 31 via a coupling.

[0060] Preferably, in one embodiment, the first drive sprocket 51 is mounted on the drive shaft 32 via a first connecting flange 53. The first connecting flange 53 is connected to the drive shaft 32 via a first flat key 54, and a first locating pin 55 is provided between the first drive sprocket 52 and the first connecting flange 53. The second drive sprocket 52 is mounted on the drive shaft 32 via a second connecting flange 56. The second connecting flange 56 is connected to the drive shaft 32 via a second flat key 57, and a second locating pin 58 is provided between the second drive sprocket 52 and the second connecting flange 56. The first locating pin 55 and the second locating pin 58 are mainly used to ensure that the teeth of the first drive sprocket 51 and the second sprocket 52 are aligned, ensuring synchronous driving.

[0061] Specifically, in one embodiment, the first connecting flange 53 is fixedly positioned axially by set screws, and the second connecting flange 56 is fixedly positioned axially by set screws.

[0062] Preferably, in one embodiment, the first module 101 is provided with a first bearing seat 115 and a second bearing seat 116, which are spaced apart from each other. One end of the drive shaft 32 is connected to the first bearing seat 115 via a first bearing 331, and the other end of the drive shaft 32 is connected to the second bearing seat 116 via a second bearing 332. This structure provides more stable support for both ends of the drive shaft 32, preventing it from tilting after prolonged use and improving its service life and stability.

[0063] Specifically, in one embodiment, the module 11 includes a frame 118 and a side plate 119. The frame 118 is generally L-shaped, and the side plate 119 is disposed on the frame 118, forming a U-shape. A channel bottom plate 1181 is disposed within the frame 118, and a channel cover plate 1182 is disposed on the channel bottom plate 1181. A first guide rail 113 is connected to the channel bottom plate 1181 via a first connecting plate 1131, and a second guide rail 114 is connected to the channel bottom plate 1181 via a second connecting plate 1141. A first cover plate 1132 is connected to the top of the first guide rail 113, and the first cover plate 1132 is connected to the side wall of the frame 118 via a first connecting strip 1133. A second cover plate 1142 is connected to the top of the second guide rail 114, and the other end of the second cover plate 1142 is connected to the side plate 119. More specifically, the side plate 119 is connected to the frame 118 via a second connecting strip 1191. This structure forms a stable waste conveying channel.

[0064] The modules 11 in the base 10 are basically identical in structure, differing only in that the second module 102 contains the driven sprocket 60 and related structures, while the first module 101 contains the driving sprocket 50 and related structures, and also includes a structure that cooperates with the drive mechanism 30. In some embodiments, the first module 101 also includes a chain tensioning mechanism.

[0065] Specifically, in one embodiment, the drive motor 31 is mounted on a motor bracket 34, and the motor bracket 34 is fixed on the frame 118.

[0066] Specifically, in one embodiment, the first bearing housing 115 may be connected at one end to the motor bracket 34 and at the other end to the first guide rail 113.

[0067] Specifically, in one embodiment, the second bearing housing 116 is mounted on the frame 118 via a bearing housing mounting bracket 1161.

[0068] Preferably, in one embodiment, a chain tensioning mechanism 117 is further provided within the base 10, through which the chain 20 passes. Specifically, in one embodiment, two chain tensioning mechanisms 117 are provided, with the first chain 21 passing through one chain tensioning mechanism 117 and the second chain 22 passing through the other chain tensioning mechanism 117.

[0069] Specifically, in one embodiment, the chain tensioning mechanism 117 is disposed in the first module 101 and located near the drive shaft 32.

[0070] Preferably, in one embodiment, the chain tensioning mechanism 117 includes a first tensioning wheel 1171, a second tensioning wheel 1172, and a third tensioning wheel 1173 arranged sequentially. The first tensioning wheel 1171 and the third tensioning wheel 1173 are located on the outer side of the chain 20, and the second tensioning wheel 1172 is located on the inner side of the chain 20, and the second tensioning wheel 1172 is height-adjustable. When it is necessary to adjust the tension of the chain 20, the tension of the chain 20 can be adjusted by adjusting the height of the second tensioning wheel 1172 relative to the other two wheels.

[0071] Specifically, in one embodiment, the height of the second tension wheel 1172 can be adjusted by tightening the tension bolt 1174. The second tension wheel 1172 can be mounted on the slider, and the tension bolt 1174 is threadedly connected to the slider, so that the height of the second tension wheel 1172 can be adjusted by tightening the tension bolt 1174.

[0072] Specifically, in one embodiment, the mounting plates of each tensioning wheel are connected and fixed to the frame of the first module 101 by connecting the cover 80, thereby installing the chain tensioning mechanism 117 in the first module 101.

[0073] Preferably, in one embodiment, a plurality of scrapers 70 are sequentially arranged on the chain 20 along the running direction of the chain 20, and the scrapers 70 are evenly spaced on the chain 20, thereby improving the conveying efficiency.

[0074] The waste conveying device 100 adopts a modular design, which can be well matched with equipment whose conveying distance varies due to different configurations, such as the receiving machine used for producing heated cigarettes. Since heated cigarettes involve various production processes, the equipment configuration will change, resulting in variations in equipment length. The modular waste conveying device 100 can add or remove modules as needed to adapt to the equipment length. By conveying waste through the waste conveying device 100, waste can be concentrated and collected at a designated location, which is beneficial for noise reduction and dust removal. Furthermore, the parts of the waste conveying device 100 are not difficult to manufacture, and the modular design facilitates disassembly and assembly. Each module can be transported separately, facilitating packaging and transportation.

[0075] The above description is merely an embodiment of this utility model. It should be noted that those skilled in the art can make improvements without departing from the inventive concept of this utility model, but these improvements all fall within the protection scope of this utility model.

Claims

1. A waste conveying device, characterized in that, Includes base, chain, and drive mechanism; The base is provided with a waste channel, and the base includes multiple modules. Each module is provided with a waste channel unit. The multiple modules are arranged in sequence, and the waste channel units of each module are connected in sequence to form the waste channel. The multiple modules are divided into a first module located at one end and a second module located at the other end. The first module is provided with a drive sprocket, and the second module is provided with a driven sprocket. The drive sprocket and the driven sprocket are spaced apart from each other along the extension direction of the waste channel. The chain is wound around the driving sprocket and the driven sprocket, and a scraper is provided on the chain, the scraper being located in the waste channel; The drive mechanism is connected to the drive sprocket and is used to drive the drive sprocket to rotate, thereby driving the chain to run, so that the scraper pushes the waste in the waste channel.

2. The waste conveying device according to claim 1, characterized in that, The plurality of modules also includes one or more intermediate modules located between the first module and the second module.

3. The waste conveying device according to claim 1, characterized in that, The chain includes a first chain and a second chain that is spaced apart from and directly opposite the first chain, and the scraper is disposed between the first chain and the second chain; The drive sprocket includes a first drive sprocket and a second drive sprocket that is spaced directly opposite the first drive sprocket. The driven sprocket includes a first driven sprocket and a second driven sprocket that is spaced directly opposite the first driven sprocket; The first chain is wound around the first driving sprocket and the first driven sprocket, and the second chain is wound around the second driving sprocket and the second driven sprocket.

4. The waste conveying device according to claim 3, characterized in that, The module is provided with a channel cover plate and a first guide rail and a second guide rail provided on the left and right sides of the channel cover plate. The channel cover plate, the first guide rail and the second guide rail together form the waste channel unit with an open top. The first chain is inserted into the track of the first guide rail, and the second chain is inserted into the track of the second guide rail.

5. The waste conveying device according to claim 3, characterized in that, The drive mechanism includes a drive motor and a drive shaft. The drive motor is mounted on the first module, and the drive shaft is mounted in the first module via bearings. The drive shaft is connected to the output shaft of the drive motor. The first drive sprocket and the second drive sprocket are respectively mounted on the drive shaft.

6. The waste conveying device according to claim 5, characterized in that, The first drive sprocket is mounted on the drive shaft via a first connecting flange. The first connecting flange is connected to the drive shaft via a first flat key. A first locating pin is provided between the first drive sprocket and the first connecting flange. The second drive sprocket is mounted on the drive shaft via a second connecting flange. The second connecting flange is connected to the drive shaft via a second flat key. A second locating pin is provided between the second drive sprocket and the second connecting flange.

7. The waste conveying device according to claim 5, characterized in that, The first module is provided with a first bearing housing and a second bearing housing, which are spaced apart from each other. One end of the drive shaft is connected to the first bearing housing through the first bearing, and the other end of the drive shaft is connected to the second bearing housing through the second bearing.

8. The waste conveying device according to claim 1, characterized in that, The base is also equipped with a chain tensioning mechanism, through which the chain passes.

9. The waste conveying device according to claim 8, characterized in that, The chain tensioning mechanism includes a first tensioning wheel, a second tensioning wheel, and a third tensioning wheel arranged in sequence. The first tensioning wheel and the third tensioning wheel are located on the outside of the chain, and the second tensioning wheel is located on the inside of the chain. The second tensioning wheel can be raised and lowered.

10. The waste conveying device according to claim 1, characterized in that, Along the running direction of the chain, a plurality of scrapers are sequentially arranged on the chain, and the scrapers are evenly spaced on the chain.

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