Feeding device and round baler

Abstract

This application relates to the field of round baler technology, and in particular to a feeding device and a round baler. The feeding device includes a feeding rotor, which includes a rotor shaft and multiple star-shaped toothed plates. The multiple star-shaped toothed plates are fixed to the rotor shaft and are arranged in a spiral pattern, evenly spaced along the axial direction of the rotor shaft. Each star-shaped toothed plate has four evenly distributed teeth. Through the four-star rotor structure design, the material is uniformly compressed during feeding, significantly increasing the density of the bale and reducing its looseness. Furthermore, an adjustable first scraper is provided on the side of the spiral pusher to ensure that the material is efficiently pushed into the feeding channel, reducing waste. Additionally, a first fastening component, i.e., a safety bolt, is provided in the transmission mechanism to cut off the force transmission when the torque exceeds a set value, improving the safety of the equipment.

Description

Technical Field

[0001] This application relates to the field of round baler technology, and in particular to a feeding device and a round baler. Background Technology

[0002] Currently, straw is an important biomass resource. By removing it from the field, it can be converted into fertilizer, feed, and fuel, improving resource utilization and promoting green agricultural development. Simultaneously, removing straw from the field effectively reduces air pollution from burning. After removal, straw can be used for biomass power generation, feed processing, and organic fertilizer production, increasing agricultural added value. Currently, mechanized straw removal operations are being vigorously promoted, encouraging farmers to use straw crushers, balers, and other equipment to improve operational efficiency. Furthermore, straw collection, transportation, and storage systems are being established in some areas to form a closed loop for straw resource utilization.

[0003] The technological development trend of round baler feeding mechanisms is constantly improving with the development of livestock and agricultural mechanization. As a crucial component of round balers, the feeding mechanism typically includes main components such as a screw pusher and a feeding rotor. The screw pusher transports the hay gathered by the picking mechanism; the feeding rotor, through the rotation of blades, presses the delivered hay into the baling chamber, simultaneously organizing the hay and increasing bale density. While the feeding rotor plays a vital role, existing feeding rotors often have a two-tooth structure, which cannot ensure uniform compression of hay and other materials. This leads to gaps or looseness in the hay during feeding, resulting in reduced bale density, low feeding efficiency, and high energy consumption. Utility Model Content

[0004] The purpose of this application is to provide a feeding device and a round baler, which to a certain extent solves the technical problems existing in the prior art where the toothed plate of the feeding rotor is mostly a two-tooth structure, which cannot ensure that materials such as hay can be compressed evenly, and gaps or looseness are easy to occur in the feeding process of hay and other materials, resulting in reduced bale density, low feeding efficiency, and high equipment energy consumption.

[0005] This application provides a feeding device, including a feeding rotor, the feeding rotor including a rotor shaft and a plurality of star-shaped toothed plates; wherein, the plurality of star-shaped toothed plates are all fixed on the rotor shaft, and the plurality of star-shaped toothed plates are arranged in a spiral manner with uniform intervals along the axial direction of the rotor shaft, and each star-shaped toothed plate has four teeth evenly distributed.

[0006] In the above technical solution, the feeding device further includes a sleeve and a connecting rod; wherein, the rotor shaft includes a first rotor shaft and a second rotor shaft spaced apart along the axial direction of the rotor shaft, and the two ends of the sleeve are respectively sleeved on the outside of the first rotor shaft and the second rotor shaft through the connecting rod; the star-shaped toothed plate is fixedly connected to the sleeve, and the tip of each tooth of the star-shaped toothed plate is curved, and the direction of curvature is opposite to the rotation direction of the star-shaped toothed plate.

[0007] In any of the above technical solutions, the feeding device further includes a driving device and a transmission mechanism. The driving end of the driving device is connected to the rotor shaft of the feeding rotor through the transmission mechanism, and is used to drive the rotor shaft to rotate the star-shaped toothed plate thereon.

[0008] In any of the above technical solutions, the transmission mechanism further includes a bushing, a first transmission gear, a first fastening member, a second transmission gear, and a chain; wherein the driving end of the driving device is connected to the bushing, and the first transmission gear is sleeved on the outside of the bushing; The end of the bushing has a connecting portion, which extends to one side of the first transmission gear along its axial direction, and the first transmission gear is connected to the connecting portion via the first fastening member; the second transmission gear is connected to the first transmission gear via the chain drive; the rotor shaft is connected to the second transmission gear.

[0009] In any of the above technical solutions, the first fastening component is further defined as a bolt.

[0010] In any of the above technical solutions, the feeding device further includes a support frame, and the feeding rotor is mounted on the support frame.

[0011] In any of the above technical solutions, the feeding device further includes two spiral pushers and a first grass scraper; wherein the two spiral pushers and the first grass scraper are all mounted on the support frame, and the two spiral pushers are respectively disposed at both ends of the feeding rotor, and the two spiral pushers are located on the same side of the feeding rotor; each spiral pusher is equipped with the first grass scraper, and the first grass scraper is located on one side of the corresponding spiral pusher along a conveying direction perpendicular to the corresponding spiral pusher.

[0012] In any of the above technical solutions, the feeding device further includes a second fastening component. One of the first grass scraper and the support frame is provided with a waist-shaped hole, and the other is provided with a circular hole. The second fastening component is installed in the waist-shaped hole and the circular hole, so that the first grass scraper and the support frame can be detachably connected.

[0013] In any of the above technical solutions, the first grass scraper further includes a mounting plate portion and a scraper portion connected together; wherein the mounting plate portion is disposed against the support frame, and the scraper portion forms an angle with the mounting plate portion, and the scraper portion extends toward the auger pusher side.

[0014] In any of the above technical solutions, the feeding device further includes an auxiliary driving device and a feeding base plate disposed on the support frame; wherein the feeding base plate is disposed below the two spiral pushers and extends to the bottom of the feeding device; the feeding base plate is rotatably connected to the support frame, and the driving end of the auxiliary driving device is connected to the feeding base plate, the auxiliary driving device being used to drive the feeding base plate to rotate relative to the connection between the two spiral pushers.

[0015] In any of the above technical solutions, the feeding device further includes a second scraper, which is disposed on the support frame and located on the side of the feeding rotor away from the spiral pusher. The second scraper includes a main body and a plurality of spaced scraper portions connected to the main body. The plurality of spaced scraper portions are sequentially spaced along the length direction of the main body to form a plurality of spaced receiving spaces, and the plurality of star-shaped toothed plates are respectively inserted into the plurality of receiving spaces in a one-to-one correspondence.

[0016] This application also provides a round baler, including the feeding device described in any of the above technical solutions, and thus has all the beneficial technical effects of the feeding device, which will not be repeated here.

[0017] Compared with the prior art, the beneficial effects of this application are as follows: The feeding device provided in this application employs multiple novel star-shaped toothed plates, each with four evenly distributed teeth. All the star-shaped toothed plates are arranged at equal intervals along the rotor shaft axis, ensuring a uniform compression gap between any two adjacent star-shaped toothed plates. Through synchronous rotation, the material is uniformly compressed, preventing gaps or looseness during feeding. This significantly improves the density of the bales. The increased bale density reduces the power required for compression, lowering the equipment's energy consumption. Furthermore, the denser bales are more stable during storage and transportation, reducing losses due to looseness. In addition, the spiral arrangement of all the star-shaped toothed plates along the rotor shaft axis more efficiently guides the material into the compression chamber, reducing the possibility of material blockage and greatly improving feeding efficiency.

[0018] In addition, a first scraper is installed on the side of the spiral pusher, which can remove the material attached to the spiral pusher, avoid material accumulation, blockage or entanglement, improve feeding efficiency, and the first scraper can be adjusted according to different material types or feeding amounts to ensure that the material is pushed into the feeding channel efficiently and reduce waste. In addition, the transmission mechanism is equipped with a first fastening component, namely a safety bolt, which can cut off the transmission of force when the torque exceeds the set value, thereby improving the safety of the equipment. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the feeding device provided in the embodiments of this application; Figure 2 for Figure 1 A partially enlarged structural diagram; Figure 3 This is a partial structural schematic diagram of the feeding device provided in the embodiments of this application; Figure 4 This is another partial structural schematic diagram of the feeding device provided in the embodiments of this application; Figure 5 This is a schematic diagram of the structure of the feeding rotor provided in an embodiment of this application; Figure 6 This is another structural schematic diagram of the feeding device provided in the embodiments of this application; Figure 7 for Figure 6A cross-sectional view along section AA.

[0021] Figure label: 1-Feeding rotor, 11-Rotor shaft, 111-First rotor shaft, 112-Second rotor shaft, 12-Star-shaped toothed plate, 13-Sleeve, 14-Connecting rod, 2-Transmission mechanism, 21-Shaft sleeve, 211-Connecting part, 22-First transmission gear, 23-First fastening component, 24-Second transmission gear, 25-Chain, 3-Support frame, 4-Spiral pusher, 5-First grass scraper, 51-Mounting plate part, 52-Scraper part, 53-Oval hole, 6-Second fastening component, 7-Feeding base plate, 8-Second grass scraper. Detailed Implementation

[0022] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0023] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0024] 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.

[0025] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] The following reference Figures 1 to 7 This application describes a feeding device and a round baler according to some embodiments.

[0028] Example 1 See Figure 1 , Figure 2 and Figure 4 As shown, an embodiment of this application provides a feeding device, including: a feeding rotor 1, the feeding rotor 1 including a rotor shaft 11 and a plurality of star-shaped toothed plates 12; wherein, the plurality of star-shaped toothed plates 12 are all fixed on the rotor shaft 11, and the plurality of star-shaped toothed plates 12 are arranged in a spiral manner with uniform intervals along the axial direction of the rotor shaft 11, that is, the plurality of star-shaped toothed plates 12 are arranged at equal intervals along the axial direction of the rotor shaft 11, and the plurality of star-shaped toothed plates 12 are arranged in a spiral manner along the axial direction of the rotor shaft 11; each star-shaped toothed plate 12 has four teeth evenly distributed, which applies greater pressure to the material than the existing two-toothed plates.

[0029] As can be seen from the structure described above, the feeding device provided in this application adopts multiple novel star-shaped toothed plates 12. Each star-shaped toothed plate 12 has four evenly distributed teeth, and all the star-shaped toothed plates 12 are arranged at equal intervals along the axial direction of the rotor shaft 11, so that there is a uniform compression gap between any two adjacent star-shaped toothed plates 12. By rotating synchronously, the material can be compressed evenly, avoiding gaps or looseness in the material during feeding. The density of the bales is significantly improved. Due to the increased bale density, the power required during compression is reduced, thus reducing the energy consumption of the equipment. Moreover, the higher density bales are more stable during storage and transportation, reducing losses caused by looseness. In addition, all the star-shaped toothed plates 12 are spirally arranged along the axial direction of the rotor shaft 11, which can guide the material to the compression chamber more efficiently, reducing the possibility of material blockage and greatly improving the feeding efficiency.

[0030] In this embodiment, preferably, as follows: Figure 6 and Figure 7 As shown, the feeding device also includes a sleeve 13 and a connecting rod 14; wherein, the rotor shaft 11 includes a first rotor shaft 111 and a second rotor shaft 112 spaced apart along the axial direction of the rotor shaft 11, the two ends of the sleeve 13 are respectively fitted onto the outside of the first rotor shaft 111 and the second rotor shaft 112 in a one-to-one correspondence, and the two ends of the sleeve 13 are respectively connected to the first rotor shaft 111 and the second rotor shaft 112 through the connecting rod 14; the star-shaped toothed plate 12 is fixedly connected to the sleeve 13. As can be seen from the structure described above, integrating multiple star-shaped toothed plates 12 onto the sleeve 13 results in a large contact area, good support effect, and greater stability. Furthermore, connecting the two ends of the sleeve 13 to the shorter first rotor shaft 111 and second rotor shaft 112 at both ends via different connecting rods 14 facilitates the rotation of the sleeve 13 and the multiple star-shaped toothed plates 12 when the two rotor shafts 11 are driven to rotate, thus making the structure more stable.

[0031] Of course, it is not limited to the above structure. Other structures can also be used. For example, the rotor shaft 11 can be designed as a long shaft, the sleeve 13 can be removed, and multiple star-shaped toothed plates 12 can be directly fixed on the rotor shaft 11. The specific choice depends on the actual needs. In this embodiment, preferably, as follows: Figure 1 As shown, the tips of each tooth of the star-shaped toothed plate 12 are curved, and the direction of the curve is opposite to the direction of rotation of the star-shaped toothed plate 12. In this way, when the feed rotor 1 rotates to the side away from the screw pusher 4, it avoids carrying the forage upwards and reduces waste. Of course, it is not limited to this. The tips of the teeth of the star-shaped toothed plate 12 may not be curved. The specific choice depends on the actual needs.

[0032] In this embodiment, preferably, as follows: Figure 1 As shown, the feeding device also includes a drive device and a transmission mechanism 2. The drive end of the drive device is connected to the rotor shaft 11 of the feeding rotor 1 through the transmission mechanism 2, and is used to drive the rotor shaft 11 to rotate the star-shaped toothed plate 12 on it. As can be seen from the structure described above, the drive device drives the rotor shaft 11 of the feed rotor 1 to rotate through the transmission mechanism 2, which in turn drives all the star-shaped toothed plates 12 on it to rotate, thereby compressing the material. In this embodiment, preferably, as follows: Figure 1 As shown, the transmission mechanism 2 includes a bushing 21, a first transmission gear 22, a first fastening member 23, a second transmission gear 24, and a chain 25; wherein, the driving end of the drive device is connected to the bushing 21, and the first transmission gear 22 is sleeved on the outside of the bushing 21. The end of the bushing 21 has a connecting portion 211, which extends to one side of the first transmission gear 22 along its axial direction. The first transmission gear 22 is connected to the connecting portion 211 by a first fastening member 23, such as a screw or bolt. The second transmission gear 24 is connected to the first transmission gear 22 by a chain 25. The rotor shaft 11 is connected to the second transmission gear 24. Therefore, since the first transmission gear 22 is connected to the bushing 21, when the drive device drives the bushing 21 to rotate, it synchronously drives the first transmission gear 22 to rotate, which in turn drives the second transmission gear 24 to rotate via the chain 25, thereby driving the rotor shaft 11 and its star-shaped toothed plate 12 to rotate. As can be seen from the structure described above, this application adopts a transmission structure with gears and chain 25, which is more stable and can achieve efficient power transmission. Moreover, this application is equipped with a safety protection structure, namely the aforementioned first fastening component 23, such as a bolt or screw. When excessive torque occurs during power transmission, the bolt will break, thereby causing the first transmission gear 22 to disconnect from the bushing 21. The first transmission gear 22 will no longer continue to rotate, thus protecting the chain 25 and preventing the chain 25 from breaking due to excessive torque, thereby achieving a safety protection function.

[0033] It should be noted that the aforementioned bushing 21 and the first fastening member 23 may be omitted, and the first transmission gear 22 may be directly connected to the drive end of the drive device. In other words, this application may also use the existing drive structure without setting a safety protection structure, depending on the actual needs. In this embodiment, preferably, as follows: Figure 1 As shown, the feeding device includes a support frame 3, and the feeding rotor 1 is mounted on the support frame 3. As can be seen from the structure described above, the support frame 3 serves to support the feeding rotor 1, the drive device, the transmission mechanism 2 mentioned above, as well as the two spiral pushers 4, the first grass scraper 5, the feeding base plate 7, and the second grass scraper 8 mentioned below.

[0034] Furthermore, preferably, the two ends of the aforementioned rotor shaft 11 are rotatably connected to the opposite sides of the support frame 3, without affecting the rotation of the feed rotor 1. Of course, this is an existing assembly structure and will not be described in detail here.

[0035] Furthermore, preferably, the aforementioned transmission mechanism 2 can be arranged on the outer side of the support frame 3 along its length direction, and one end of the rotor shaft 11 of the feed rotor 1 passes through the side of the support frame 3 and is connected to the first transmission gear 22 of the transmission mechanism 2.

[0036] In this embodiment, preferably, as follows: Figures 1 to 4As shown, the feeding device also includes two spiral pushers 4 and a first grass scraper 5; wherein, the two spiral pushers 4 and the first grass scraper 5 are all mounted on the support frame 3, and the two spiral pushers 4 are respectively disposed at both ends of the feeding rotor 1, and the two spiral pushers 4 are located on the same side of the feeding rotor 1; each spiral pusher 4 is equipped with the first grass scraper 5, and the first grass scraper 5 is located on one side of the corresponding spiral pusher 4 along a direction perpendicular to the conveying direction of the corresponding spiral pusher 4. As can be seen from the structure described above, the two spiral pushers 4 work together to transport the hay collected by the picking mechanism. Moreover, a first scraper 5 is provided on the side of each spiral pusher 4, which can remove the material attached to the spiral pusher 4, avoid material accumulation, blockage or entanglement, and improve feeding efficiency.

[0037] In this embodiment, preferably, as follows: Figure 3 and Figure 4 As shown, the feeding device also includes a second fastening member 6. One of the first grass scraper 5 and the support frame 3 is provided with a waist-shaped hole 53, and the other is provided with a circular hole. The second fastening member is installed in the waist-shaped hole 53 and the circular hole so that the first grass scraper 5 and the support frame 3 can be detachably connected. As can be seen from the structure described above, by adjusting the position of the second fastening component 6, such as a screw or bolt, in the waist-shaped hole 53, the position of the first scraper 5 can be adjusted, and thus can be adjusted according to different material types or feeding amounts, ensuring that the material is efficiently pushed into the feeding channel and reducing waste.

[0038] It should be noted that: it is not limited to setting an adjustable first grass scraper 5. The first grass scraper 5 can also be set to a non-adjustable structure, that is, the aforementioned waist-shaped hole 53 can be replaced with an ordinary round hole. The specific choice depends on the actual needs.

[0039] In this embodiment, preferably, as follows: Figure 3 As shown, the first grass scraper 5 includes a mounting plate portion 51 and a scraper portion 52 connected to each other; wherein, the mounting plate portion 51 is disposed against the support frame 3, and the scraper portion 52 forms an angle with the mounting plate portion 51, and the scraper portion 52 extends toward the spiral pusher 4; the aforementioned waist-shaped hole 53 or circular hole is opened on the mounting plate portion 51. As can be seen from the structure described above, the mounting plate 51 plays a role in cooperating with the support frame 3, increasing the assembly area of ​​the two, making the first scraper 5 more stable and less likely to fall off after installation with the support frame 3; the scraper 52 mainly plays the role of removing the material attached to the spiral pusher 4, and preventing the material from accumulating, blocking or tangling. Of course, the structure of the first grass scraper 5 is not limited to the above, and can be selected according to actual needs.

[0040] In this embodiment, preferably, as follows: Figure 1 As shown, the feeding device also includes an auxiliary drive device and a feeding base plate 7 disposed on the support frame 3; wherein, the feeding base plate 7 is disposed below the two spiral pushers 4 and extends to the bottom of the feeding device; the feeding base plate 7 is rotatably connected to the support frame 3, and the drive end of the auxiliary drive device is connected to the feeding base plate 7, the auxiliary drive device is used to drive the feeding base plate 7 to rotate relative to the connection between the two spiral pushers 4.

[0041] As can be seen from the structure described above, the feeding base plate 7 can be driven to rotate by an auxiliary drive device, thereby controlling the opening angle. When the material, such as straw strips, is wet and thick, the opening angle can be appropriately increased to avoid blockage. It can be seen that the design of the feeding base plate 7 and the four-star rotor further optimizes the feeding efficiency and reduces energy consumption.

[0042] Furthermore, preferably, the auxiliary drive device can be a hydraulic drive element such as a hydraulic cylinder, which can be located below the feeding base plate 7. By extending and retracting the hydraulic cylinder, the opening angle of the feeding base plate 7 can be changed. Of course, it is not limited to this. The auxiliary drive device can also be a motor, which is located at both ends of the feeding base plate 7 and can drive the feeding base plate 7 to rotate, thereby changing the opening angle of the feeding base plate 7.

[0043] In this embodiment, preferably, as follows: Figure 1 As shown, the feeding device also includes a second grass scraper 8, which is disposed on the support frame 3 and is located on the side of the feeding rotor 1 away from the spiral pusher 4. The second grass scraper 8 includes a main body and a plurality of spaced scraper portions 52 connected to the main body; wherein, the plurality of spaced scraper portions 52 are arranged sequentially along the length direction of the main body to form a plurality of spaced receiving spaces, and a plurality of star-shaped toothed plates 12 are respectively inserted into the plurality of receiving spaces in a one-to-one correspondence. As can be seen from the structure described above, each tooth of the feed rotor 1 can only rotate within its corresponding containment space, thereby limiting the material that has entered the bale bin from being carried out by the feed rotor 1. In summary, the feed rotor 1 provided in this application has the following advantages: Through the structural design of the four-star rotor, the material is uniformly compressed during the feeding process, the density of the bales is significantly improved, and the looseness of the bales is reduced. A first scraper 5 is provided on the side of the spiral pusher 4, which can remove the material attached to the spiral pusher 4, avoid material accumulation, blockage or entanglement, improve feeding efficiency, and the first scraper 5 can be adjusted according to different material types or feeding amounts to ensure that the material is pushed into the feeding channel efficiently and reduce waste. The transmission mechanism 2 is also equipped with a first fastening component 23, namely a safety bolt, which can cut off the transmission of force when the torque exceeds the set value, thereby improving the safety of the equipment.

[0044] Example 2 Embodiment 2 of this application also provides a round baler, which includes the feeding device described in Embodiment 1 above. Therefore, it has all the beneficial technical effects of the feeding device. The same technical features and beneficial effects will not be repeated here.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A feeding device, characterized in that, The device includes a feeding rotor, which includes a rotor shaft and multiple star-shaped toothed plates; wherein, the multiple star-shaped toothed plates are all fixed on the rotor shaft, and the multiple star-shaped toothed plates are arranged in a spiral manner with uniform intervals along the axial direction of the rotor shaft, and each star-shaped toothed plate has four teeth evenly distributed.

2. The feeding device according to claim 1, characterized in that, The feeding device further includes a sleeve and a connecting rod; wherein, the rotor shaft includes a first rotor shaft and a second rotor shaft spaced apart along the axial direction of the rotor shaft, and the two ends of the sleeve are respectively sleeved on the outside of the first rotor shaft and the second rotor shaft through the connecting rod; the star-shaped toothed plate is fixedly connected to the sleeve, and the tip of each tooth of the star-shaped toothed plate is curved, and the direction of the curvature is opposite to the rotation direction of the star-shaped toothed plate.

3. The feeding device according to claim 1, characterized in that, The feeding device also includes a driving device and a transmission mechanism. The driving end of the driving device is connected to the rotor shaft of the feeding rotor through the transmission mechanism, and is used to drive the rotor shaft to rotate the star-shaped toothed plate thereon.

4. The feeding device according to claim 3, characterized in that, The transmission mechanism includes a bushing, a first transmission gear, a first fastening member, a second transmission gear, and a chain; wherein, the driving end of the driving device is connected to the bushing, and the first transmission gear is sleeved on the outside of the bushing; The end of the bushing has a connecting portion, which extends to one side of the first transmission gear along its axial direction, and the first transmission gear is connected to the connecting portion via the first fastening member; the second transmission gear is connected to the first transmission gear via the chain drive; the rotor shaft is connected to the second transmission gear.

5. The feeding device according to claim 4, characterized in that, The first fastening component is a bolt.

6. The feeding device according to any one of claims 1 to 5, characterized in that, The feeding device includes a support frame, and the feeding rotor is mounted on the support frame.

7. The feeding device according to claim 6, characterized in that, The feeding device further includes two spiral pushers and a first grass scraper; wherein, the two spiral pushers and the first grass scraper are all mounted on the support frame, and the two spiral pushers are respectively disposed at both ends of the feeding rotor, and the two spiral pushers are located on the same side of the feeding rotor; each spiral pusher is equipped with the first grass scraper, and the first grass scraper is located on one side of the corresponding spiral pusher along a conveying direction perpendicular to the corresponding spiral pusher.

8. The feeding device according to claim 7, characterized in that, The feeding device further includes a second fastening component. One of the first grass scraper and the support frame is provided with a waist-shaped hole, and the other is provided with a circular hole. The second fastening component is installed in the waist-shaped hole and the circular hole, so that the first grass scraper and the support frame can be detachably connected; and / or The first grass scraper includes a mounting plate portion and a scraper portion connected together; wherein the mounting plate portion is disposed against the support frame, and the scraper portion forms an angle with the mounting plate portion, and the scraper portion extends toward the auger pusher side.

9. The feeding device according to claim 7, characterized in that, The feeding device further includes an auxiliary drive device disposed on the support frame and a feeding base plate; wherein, the feeding base plate is disposed below the space between the two spiral pushers and extends below the feeding device; the feeding base plate is rotatably connected to the support frame, and the drive end of the auxiliary drive device is connected to the feeding base plate, the auxiliary drive device being used to drive the feeding base plate to rotate relative to the line connecting the two spiral pushers; and / or The feeding device further includes a second scraper, which is disposed on the support frame and located on the side of the feeding rotor opposite to the spiral pusher. The second scraper includes a main body and a plurality of spaced scraper portions connected to the main body. The plurality of spaced scraper portions are arranged sequentially along the length direction of the main body to form a plurality of spaced receiving spaces, and the plurality of star-shaped toothed plates are respectively inserted into the plurality of receiving spaces in a one-to-one correspondence.

10. A round baler, characterized in that, The feeding device includes any one of claims 1 to 9.

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