Threshing device and harvester

Abstract

The invention relates to the field of agricultural harvesters, and discloses a threshing device which comprises a feeding roller and a threshing mechanism which are sequentially arranged in the incoming material direction, the threshing mechanism comprises a threshing cylinder, the rotating direction of the threshing cylinder is perpendicular to the incoming material direction, and the rotating direction of the feeding roller is perpendicular to the rotating direction of the threshing cylinder. A feeding part and a threshing part are sequentially arranged on the threshing cylinder in the incoming material direction, the feeding part comprises a feeding conical cylinder, a spiral blade is arranged on the feeding conical cylinder, a reinforcing blade is detachably installed on the spiral blade, and the working face, close to the reinforcing blade, of the spiral blade is attached to the working face, close to the spiral blade, of the reinforcing blade. And the outer edge of the reinforcing blade is higher than that of the spiral blade. According to the threshing device, pre-threshing can be achieved on crops, meanwhile, the crop feeding amount of the threshing roller can be increased, and the threshing effect and the threshing quality are improved. In addition, the invention further relates to a harvester comprising the threshing device.

Description

Technical Field

[0001] The present invention relates to the field of agricultural harvesting machinery, in particular to a threshing device. In addition, the present invention also relates to a harvester comprising the threshing device. Background Art

[0002] Agricultural harvesters are integrated machines for harvesting crops. They can complete harvesting and threshing at one time, greatly saving manpower and material resources. The threshing effect of agricultural harvesters is directly related to the yield of crops. At present, most agricultural harvesters are transverse-axis flow harvesters and longitudinal-axis flow harvesters. Under the coordinated action of the threshing drum and the guide cover, the threshing and separation of crops are achieved. With the continuous improvement of the mechanization level of crop harvesting, the continuous improvement of crop varieties, and the continuous increase in crop yields, the harvester operators have higher requirements for the working efficiency and threshing quality of the threshing devices used in crop harvesting. The existing threshing structure gradually cannot meet the operator's requirements for feeding amount, threshing efficiency and quality.

[0003] Therefore, it is necessary to design a new threshing device. Summary of the invention

[0004] The technical problem to be solved by the present invention on one hand is to provide a threshing device, which can realize pre-threshing of crops and at the same time can increase the feeding amount of crops to the threshing drum, thereby improving the threshing effect and threshing quality.

[0005] Another technical problem to be solved by the present invention is to provide a harvester which can pre-thresh crops and at the same time increase the amount of crops fed to the threshing drum, thereby improving the threshing effect and threshing quality.

[0006] In order to achieve the above technical problems, the present invention provides a threshing device on one hand, comprising feeding rollers and a threshing mechanism arranged in sequence along the incoming material direction, the threshing mechanism comprising a threshing drum, the rotation direction of the threshing drum is perpendicular to the incoming material direction, the rotation direction of the feeding roller is perpendicular to the rotation direction of the threshing drum, the threshing drum is sequentially provided with a feeding part and a threshing part along the incoming material direction, the feeding part comprises a feeding cone, the feeding cone is provided with a spiral blade, a reinforcing blade is detachably mounted on the spiral blade, the working surface of the spiral blade close to the reinforcing blade is in contact with the working surface of the reinforcing blade close to the spiral blade, and the outer edge of the reinforcing blade is higher than the outer edge of the spiral blade.

[0007] Furthermore, a reinforcement structure is formed between the working surface of the spiral blade facing away from the reinforcement blade and the feeding cone.

[0008] Furthermore, the reinforcement structure, the spiral blades and the feeding cone together form a reinforcement cavity structure.

[0009] Furthermore, the threshing mechanism further comprises a drum cover and a threshing concave plate, wherein the drum cover is located above the threshing concave plate, and the drum cover and the threshing concave plate together form a hollow structure capable of accommodating the threshing part.

[0010] Furthermore, the threshing drum also includes a drum shaft passing through the threshing part, the drum shaft is fixedly connected to the feeding cone, the threshing part includes a plurality of threshing teeth, a plurality of threshing width disks are arranged at intervals on the drum shaft, the threshing teeth are fixedly connected to the drum shaft through the threshing width disks, and the threshing teeth are arranged at intervals along the circumference of the threshing width disks, and the threshing teeth are fixedly connected to the feeding cone at one end of the threshing teeth close to the feeding cone.

[0011] Furthermore, the threshing part also includes a threshing pattern rod, which is installed on the threshing tooth rod through a mounting bracket, and a plurality of protruding structures are arranged at intervals along the length direction of the threshing pattern rod on a working surface facing away from the threshing tooth rod.

[0012] Further, the feeding roller includes a feeding roller shaft, a feeding width disk which is sleeved on the feeding roller shaft and evenly arranged along the length direction of the feeding roller shaft, and a plurality of feeding plates, wherein the feeding plates are evenly and / or spirally arranged along the length direction of the feeding roller shaft, the feeding plates are mounted on the outer peripheral surface of the feeding width disk via a mounting seat, the mounting seat is fixedly mounted to the feeding roller shaft via the feeding width disk, and a threshing structure is formed on the edge of the feeding plate which is away from the feeding roller shaft.

[0013] Furthermore, an anti-error structure is provided on the mounting seat.

[0014] Furthermore, it also includes a debris recovery mechanism, which includes a debris collection structure, a debris transportation structure and a debris discharging structure. The debris collection structure is located below the threshing mechanism, and the debris discharging structure is arranged above the feeding roller through a debris recovery shield. The debris collection structure is connected to the debris discharging structure through a debris transportation structure so that the debris can be fed into the feeding roller.

[0015] On the other hand, the present invention further discloses a harvester, comprising the threshing device described in any one of the above technical solutions.

[0016] Through the above technical solution, the beneficial effects of the present invention are as follows:

[0017] The present invention provides a threshing device, comprising a feeding roller and a threshing mechanism arranged in sequence along the incoming material direction, wherein the threshing mechanism comprises a threshing drum, the rotation direction of the threshing drum is perpendicular to the incoming material direction, the rotation direction of the feeding roller is perpendicular to the rotation direction of the threshing drum, and the threshing drum is provided with a feeding part and a threshing part in sequence along the incoming material direction, wherein the feeding part comprises a feeding cone, a spiral blade is arranged on the feeding cone, a reinforcing blade is detachably mounted on the spiral blade, a working surface of the spiral blade close to the reinforcing blade is in contact with a working surface of the reinforcing blade close to the spiral blade, and the outer edge of the reinforcing blade is higher than the outer edge of the spiral blade. The threshing device can realize pre-threshing of crops, and at the same time can also increase the amount of crops fed to the threshing drum, thereby improving the threshing effect and threshing quality.

[0018] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is one of the structural schematic diagrams of a specific embodiment of the threshing device of the present invention;

[0021] Figure 2 It is the second structural schematic diagram of the specific embodiment of the threshing device of the present invention;

[0022] Figure 3 It is a structural schematic diagram of a specific embodiment of a feeding roller in a threshing device of the present invention;

[0023] Figure 4 It is one of the structural schematic diagrams of a specific embodiment of the threshing mechanism in the threshing device of the present invention;

[0024] Figure 5 It is the second structural schematic diagram of a specific embodiment of the threshing mechanism in the threshing device of the present invention;

[0025] Figure 6 It is a structural schematic diagram of a specific embodiment of a threshing rod in a threshing device of the present invention;

[0026] Figure 7 A structural schematic diagram of a specific embodiment of the waste recovery mechanism in the threshing device of the present invention;

[0027] Figure 8 The third structural schematic diagram of a specific embodiment of the threshing device of the present invention;

[0028] Fig. 9The fourth structural schematic diagram of the specific embodiment of the threshing device of the present invention.

[0029] Description of Reference Numerals

[0030] 1 Feeding roller 11 Feeding roller shaft

[0031] 12 Feeding plate 13 Feeding plate

[0032] 14 mounting seat 15 error proofing structure

[0033] 2 threshing mechanism 21 threshing drum

[0034] 211 feeding cone 212 spiral blade

[0035] 213 Strengthening blade 214 Strengthening structure

[0036] 215 roller shaft 216 threshing gear rod

[0037] 217 threshing disc 218 threshing bar

[0038] 219 Mounting bracket 22 Roller cover

[0039] 23 threshing concave plate 3 waste recovery mechanism

[0040] 31 Miscellaneous collection structure 32 Miscellaneous transportation structure

[0041] 33 Miscellaneous material discharge structure 331 Miscellaneous material recovery shield DETAILED DESCRIPTION

[0042] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and the protection scope of the present invention is not limited to the following specific embodiments.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "provided with", "installed", "connected", and "arranged" should be understood in a broad sense. For example, the connection can be a direct connection or an indirect connection through an intermediate medium, a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise specified, the directional words used, such as "up" and "down", are defined based on the inside and outside of the corresponding parts. In addition, "facing" and "backward" are defined based on the use direction of the spiral blade 212 or the reinforcing blade 213. Specifically, in the drawings provided by the present invention, the orientation or position relationship used is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The orientation terms of the present invention should be understood in conjunction with the actual installation state.

[0045] See also Figure 1 , Figure 2 as well as Figure 4 The present invention provides a disengaging and separating device, which includes a feeding roller 1 and a threshing mechanism 2 which are sequentially arranged along the incoming material direction. The threshing mechanism 2 includes a threshing drum 21, and the rotation direction of the threshing drum 21 is perpendicular to the incoming material direction. The rotation direction of the feeding roller 1 is perpendicular to the rotation direction of the threshing drum 21. The threshing drum 21 is sequentially provided with a feeding part and a threshing part along the incoming material direction. The feeding part includes a feeding cone 211, and a spiral blade 212 is provided on the feeding cone 211. A reinforcing blade 213 is detachably installed on the spiral blade 212. The working surface of the spiral blade 212 close to the reinforcing blade 213 is in contact with the working surface of the reinforcing blade 213 close to the spiral blade 212, and the outer edge of the reinforcing blade 213 is higher than the outer edge of the spiral blade 212.

[0046] The present invention arranges the feeding roller 1 in front of the threshing mechanism 2 so that the harvested crops can be fed into the threshing mechanism 2. The feeding roller 1 running at an accelerated speed can pre-thresh the crops, and then the threshing mechanism 2 can further perform comprehensive threshing, which can greatly improve the threshing effect. Figure 4 As shown, the feeding part in the threshing mechanism 2 includes a feeding cone 211, a spiral blade 212 is arranged on the feeding cone 211, and a detachable reinforcing blade 213 is arranged on the spiral blade 212, and the outer edge of the reinforcing blade 213 is higher than the outer edge of the spiral blade 212. In this way, the volume of the feeding blade can be increased, and the contact area with the crops can be increased, so as to avoid the grains of the harvested corn cobs being broken and damaged due to the cutting ability of the spiral blade 212 during harvesting, thereby reducing the quality of the harvested grain. In addition, the reinforcing blade 213 is arranged as a detachable blade, which can ensure the structural strength of the feeding blade on the one hand, and facilitate the overall extraction and maintenance of the threshing drum 21 on the other hand.

[0047] It should be noted that if Figure 5As shown, the edge of the reinforcing blade 213 close to the feeding cone 211 does not contact the feeding cone 211, because the feeding cone 211 will rotate with the threshing drum 21 when in use, and the threshing drum 21 will collide with the crops that need to be threshed, causing vibration, because the reinforcing blade 213 is detachably mounted on the spiral blade 212, so when in use, there will be slight vibration, contact with the feeding cone 211, which will cause the vibration to increase and affect normal use, and the reinforcing blade 213 is also fitted with the spiral blade 212 to reduce vibration and prevent crops from entering the gap between the reinforcing blade 213 and the spiral blade 212. In addition, when the spiral blade 212 rotates with the feeding cone 211, the diameter of the circumference formed by its outermost edge during the rotation process can be smaller than the diameter at the maximum diameter of the feeding cone 211, so that when performing maintenance, the staff can more conveniently extract the threshing drum 21.

[0048] It should also be noted that the number of spiral blades 212 and reinforcing blades 213 can be set according to the specific use environment, such as Figure 4 and Figure 5 As shown in, as a specific embodiment of the present invention, two spiral blades 212 are used, and each spiral blade 212 is correspondingly provided with two reinforced blades 213. In addition, the size of the reinforced blades 213 can be set according to the specific crops to be threshed, so as to control the contact area between the blades and the crops, so as to achieve a better threshing effect.

[0049] Further, as a specific embodiment of the present invention, Figure 4 As shown, a reinforcement structure 214 is formed between the working surface of the spiral blade 212 facing away from the reinforcement blade 213 and the feeding cone 211. The reinforcement structure 214 can increase the strength and rigidity between the feeding cone 211 and the spiral blade 212, improve the bearing capacity and durability of the feeding cone 211, and reduce the stress concentration and deformation of the feeding cone 211.

[0050] Furthermore, the reinforcing structure 214, the spiral blades 212 and the feeding cone 211 together form a reinforcing cavity structure. Specifically, Figure 4As shown, the reinforcement structure 214 can be a bending part, wherein the opening after bending faces the spiral blade 212, and the reinforcement cavity structure can play a role in shock absorption and sound insulation. When the threshing mechanism 2 is used, the feeding cone 211 will vibrate with the vibration of the threshing drum 21, and the spiral blade 212 needs to contact a large area of ​​crops, so the vibration will be more intense. By setting the reinforcement structure 214 and forming a reinforcement cavity structure, the vibration can be further reduced, the structural strength of the spiral blade 212 can be improved, and the service life of the spiral blade 212 can be extended. In addition, the reinforcement structure 214 is a bending structure. After the spiral blade 212 and the feeding cone 211 are connected, it can also form a triangular support, which can prevent the spiral blade 212 from being deformed or broken during use, further strengthening the structural strength of the spiral blade 212, and at the same time further extending the service life of the spiral blade 212.

[0051] See also Figure 2 and Figure 8 The threshing mechanism 2 of the present invention also includes a threshing gravure and a drum cover 22, wherein, as Figure 2 As shown, the drum cover 22 is located above the threshing concave plate 23, and the drum cover 22 and the threshing concave plate 23 together form a hollow structure capable of accommodating the threshing portion of the threshing drum 21. The drum cover 22 guides the crops during the threshing process. Specifically, Figure 8 As shown, a number of guide strips are evenly arranged on the drum cover 22 along the incoming direction, and these guide strips can further control the speed and direction of the crops running along the incoming direction; and the main function of the threshing gravure is to collide with the material to achieve grass seed separation. Specifically, the threshing of various crops can be achieved by changing the contact area between the threshing gravure 4 and the crops.

[0052] See also Figure 4 and Figure 5 As a specific embodiment of the present invention, the threshing drum 21 also includes a drum shaft 215 that passes through the threshing portion, the drum shaft 215 is fixedly connected to the feeding cone 211, the threshing portion includes a plurality of threshing teeth 216, and a plurality of threshing width disks 217 are arranged at intervals on the drum shaft 215. The threshing teeth 216 are fixedly connected to the drum shaft 215 through the threshing width disk 217, and the threshing teeth 216 are arranged at intervals along the circumference of the threshing width disk 217, and the threshing teeth 216 are fixedly connected to the feeding cone 211 at one end close to the feeding cone 211.

[0053] like Figure 5As shown, the rolling shaft not only drives the threshing drum 21 to rotate around its own axis, but also serves as the main body reference of the threshing drum 21; the threshing width disk 217 is used as a connecting piece to connect the drum shaft 215 and the threshing tooth rod 216 on the one hand, and can also guide the crops that need to be threshed like the guide strip on the other hand, and can also divert the fed crops to avoid clogging at a certain point of the threshing drum 21 where the crops are concentrated. In addition, the threshing width disk 217 located at the end of the drum shaft 215 and away from the feeding cone 211 is formed with a flange in the direction of the incoming material, which can not only seal the end of the threshing drum, but also play a role in clearing grass; and the threshing tooth rod 216 can beat the crops to separate the straw from the grains, such as Figure 5 As shown, at the rear end of the threshing tooth rod 216, that is, a part of the tooth nails adjacent to the end away from the feeding cone 211 are connected together by a partition, so that the contact area with the crops can be increased, which is conducive to the discharge of weeds and straw.

[0054] Furthermore, a plurality of reinforcing rib structures are provided on each threshing width disc 217 and the drum shaft 215 to strengthen the connection strength between the threshing width disc 217 and the drum shaft 215, and to enhance the structural strength of the entire threshing drum 21. In addition, both ends of the threshing gear rod 216 are fixedly connected with the threshing width disc 217 located at the end, which can enhance the overall connection strength. In addition, a plurality of hollow structures are provided on each threshing width disc 217 located in the middle. These hollow structures can reduce the weight of the threshing drum 21 on the one hand, and secondly, the stress received by the threshing width disc 217 does not need to be concentrated on one point, and can be evenly stressed. On the other hand, they can also serve as a drainage channel, and crops, weeds or straw can flow through these hollow structures to avoid local blockage.

[0055] Furthermore, if Figure 4 , Figure 5 as well as Figure 6 As shown, the threshing section further includes a threshing rod 218, which is mounted on the threshing tooth rod 216 through a mounting bracket 219 and is located at one end of the threshing tooth rod 216 close to the feeding cone 211. The threshing rod 218 has a plurality of protruding structures arranged at intervals along its length direction on the working surface facing away from the threshing tooth rod 216. Specifically, the threshing rod 218 can increase the contact area with the crops, reduce the gap between the threshing drum 21 and the threshing gravure, and rub and thresh the crops when they are fed into the threshing drum 21, thereby improving the threshing effect in the early stage.

[0056] It should be noted that if Figure 6As shown, as a specific embodiment of the threshing pattern rod 218, the threshing pattern rod 218 can be a bending part, and the bending opening is toward the threshing tooth rod 216. At the same time, it is fixedly mounted on the threshing tooth rod 216 during installation, which can enhance the connection strength between the threshing pattern rod 218 and the threshing tooth rod 216.

[0057] Furthermore, the feeding roller 1 of the threshing device provided by the present invention can not only feed crops into the threshing drum 21, but also pre-thresh the crops, so as to improve the threshing effect of the separation device. The feeding roller 1 includes a feeding roller shaft 11, a feeding width disk 12 which is sleeved on the feeding roller shaft 11 and evenly arranged along the length direction of the feeding roller shaft 11, and a plurality of feeding plates 13. The feeding plates 13 are evenly and / or spirally arranged along the length direction of the feeding roller shaft 11. The feeding plates 13 are installed on the outer peripheral surface of the feeding width disk 12 through a mounting seat 14. The mounting seat 14 is fixedly installed with the feeding width disk 12 and the feeding roller shaft 11, and a threshing structure is formed on the edge of the feeding plate 13 facing away from the feeding roller shaft 11.

[0058] It should be noted that if Figure 3 As shown, as a specific embodiment of the feeding roller 1 of the present invention, the feeding plates 13 in this embodiment are evenly arranged along the length direction of the feeding roller shaft 11. However, the arrangement of the feeding plates 13 is not limited to this embodiment, and can also be arranged in a spiral along the length direction of the feeding roller shaft 11, which can guide the grains and perform better pre-threshing treatment on the grains. In addition, the two arrangement forms can be combined according to the specific use environment, that is, the feeding plates 13 can be evenly arranged in a spiral along the length direction of the feeding roller shaft 11, which can achieve better pre-threshing and feeding effects.

[0059] The feeding roller shaft 11 has a similar function to the drum shaft 215, which not only drives the threshing drum 21 to rotate around its own axis, but also serves as the main body reference of the feeding roller 1; the feeding width plate 12 is used as a connecting piece to connect the feeding roller shaft 11 and the mounting seat 14, and the other side can also divert the grain crops to avoid the grain crops from being concentrated in a certain place and causing blockage. In addition, the feeding width plates 12 located at both ends of the feeding roller shaft 11 can seal the ends of the feeding roller 1 and also play a role in clearing grass; and the feeding plate 13 can feed the crops into the threshing drum 21 through the rotation of the feeding roller 1, such as Figure 3 As shown, a threshing structure is provided on the side of the feeding plate 13 facing away from the feeding roller shaft 11, so that the feeding plate 13 can better grasp the straw, thereby further avoiding straw blockage.

[0060] In the above specific embodiment, the structure of the separation structure is in the form of a convex tooth, and the convex tooth faces away from the feeding plate 13. The specific structure of the threshing structure is not limited to Figure 3 As shown in , it can also be a structure with similar structural features to the threshing pattern rod 218, or it can be a claw structure. The specific structural form of the threshing structure can be set according to specific usage conditions.

[0061] Furthermore, the mounting seat 14 can also be a bending part, and the bending opening is facing the feeding roller 11, and then installed on the feeding roller 11 through the feeding width plate 12. Many hollow structures are also arranged on the mounting seat 14, which can reduce its own weight on the one hand, and filter crop straw and weeds on the other hand to avoid blockage, and the bending part can also facilitate the installation and setting of the feeding plate 13.

[0062] In addition, Figure 3 As shown, an anti-error structure 15 is also provided on the mounting seat 14, and the anti-error structure 15 can help the staff to better identify the installation direction.

[0063] Next, as a specific embodiment of the present invention, see Figure 1 , Figure 2 as well as Figure 7 The threshing device provided by the present invention also includes a debris recovery mechanism 3, which includes a debris collection structure 31, a debris conveying structure 32 and a debris discharging structure 33. The debris collection structure 31 is located below the threshing mechanism 2, and the debris discharging structure 33 is covered above the feeding roller 1 through a debris recovery shield 331. The debris collection structure 31 is connected to the debris discharging structure 33 through the debris conveying structure 32 so that the debris can be fed into the feeding roller 1.

[0064] It should be noted that, in the process of threshing crops, broken straw will certainly fall down. Under the action of the fan, most of the straw will be blown out by the wind, and a small part will still fall down to the cleaning bottom shell. In order to reduce the waste of grain, a small part of the fallen debris will be re-transported to the feeding roller 1 by the debris recovery mechanism 3, re-threshed and screened, so as to increase the threshing yield of grain. The debris recovery mechanism 3 provided by the present invention sends the debris into the feeding roller 1. On the one hand, it is suitable for the debris generated after one crushing, which is mostly fine and broken. If it is put into the threshing drum for threshing again, it is very likely that it will only pass through the threshing drum 21 once and will not be threshed. However, after being sent to the feeding roller 1, the large volume of grains in the feeding roller 1 is first crushed and can be threshed to a certain extent, and then it is sent to the threshing drum 21 through the feeding cone 212, and it will be squeezed and kneaded for a long time. In this way, the grains in the debris are fully recovered, which improves the threshing yield and can further reduce waste.

[0065] Specifically, see Figure 7As a specific embodiment of the debris recovery mechanism 3 in the present invention, the debris transporting structure 32 in the present invention adopts an elevator with a scraper structure, and the debris collecting structure 31 is an auger structure. The auger structure rotates under the drive of the driving mechanism to collect and transport the debris to the lower end of the elevator with the scraper structure, and then the elevator with the scraper structure transports the debris upward by rising, and then sends it into the debris recovery shield 331 through the debris discharging structure 33, and falls into the feeding roller 1. The function of the debris recovery shield 331 is to prevent the debris from flying due to its small size and light weight, and to collect and feed the debris in a unified manner. On the other hand, it can also squeeze the crops that need to be fed into the threshing drum 21 by the feeding roller 1, so as to prevent the crops from being scattered and unable to be collected in a unified manner, thereby reducing the threshing efficiency. More specifically, the debris recovery shield 331 is as shown Figure 7 As shown, the half cover is arranged above the feeding roller 1, and there is a dragon structure for conveying debris inside it, one end of the dragon structure is transmission-connected with the debris conveying structure 32, and the debris conveyed by the debris conveying structure 32 is put into the feeding roller 1. It should be noted that at this time, the dragon structure for throwing debris needs to be installed in a front position of the feeding roller 1, that is, closer to the incoming material direction, so as to prevent the feeding roller 1 from being blocked due to the debris being too fine. In addition, in order to facilitate maintenance, a maintenance window for inspecting and checking the internal structure is also provided on the debris recovery shield 331, and the maintenance window is closed by a maintenance door and can be opened when maintenance is needed.

[0066] In order to better understand the technical solution and use method of the present invention, the preferred embodiments are described below in combination with relatively comprehensive preferred technical features.

[0067] like Figures 1 to 9 As shown, the separation device of the present invention comprises a feeding roller 1 and a threshing mechanism 2 which are sequentially arranged along the incoming material direction, and a waste recovery mechanism 3 is also arranged.

[0068] The feeding roller 1 comprises: a feeding roller shaft 11, a feeding width disc 12 which is sleeved on the feeding roller shaft 11 and evenly arranged along the length direction of the feeding roller shaft 11, and a plurality of feeding plates 13, wherein the feeding plates 13 are evenly arranged along the length direction of the feeding roller shaft 11, the feeding plates 13 are mounted on the outer peripheral surface of the feeding width disc 12 through a mounting seat 14, the mounting seat 14 is fixedly mounted through the feeding width disc 12 and the feeding roller shaft 11, a threshing structure is formed on the edge of the feeding plate 13 which is away from the feeding roller shaft 11, wherein the mounting seat 14 is a bending part, the bending opening faces the feeding roller shaft 11, and a plurality of hollow structures and error-proofing structures 15 are arranged on the mounting seat 14.

[0069] The threshing mechanism 2 includes: a threshing drum 21 , a drum cover 22 and a threshing concave plate 23 , wherein the drum cover 22 is located above the threshing concave plate 23 , and the drum cover 22 and the threshing concave plate 23 together form a hollow structure capable of accommodating the threshing drum 21 .

[0070] Furthermore, the threshing drum 21 is provided with a feeding part and a threshing part in sequence along the incoming direction, the feeding part includes a feeding cone 211, a spiral blade 212 is provided on the feeding cone 211, a reinforcing blade 213 is detachably mounted on the spiral blade 212, the working surface of the spiral blade 212 close to the reinforcing blade 213 is in contact with the working surface of the reinforcing blade 213 close to the spiral blade 212, and the outer edge of the reinforcing blade 213 is higher than the outer edge of the spiral blade 212, and a reinforcing structure 214 is formed between the working surface of the spiral blade 212 facing away from the reinforcing blade 213 and the feeding cone 211, the reinforcing structure 214 is a bent part, and the bent opening faces the spiral blade 212, so the reinforcing structure 214, the spiral blade 212 and the feeding cone 211 are surrounded to form Strengthen the cavity structure; the threshing part of the threshing drum 21 includes a threshing pattern rod 218 and a drum shaft 215 that passes through the threshing part, the drum shaft 215 is fixedly connected to the feeding cone 211, the threshing part includes a plurality of threshing tooth rods 216, and a plurality of threshing width disks 217 are arranged at intervals on the drum shaft 215, the threshing tooth rod 216 is fixedly connected to the drum shaft 215 through the threshing width disk 217, and the threshing tooth rod 216 is arranged at intervals along the circumference of the threshing width disk 217, the threshing tooth rod 216 is fixedly connected to the feeding cone 211 at one end close to the feeding cone 211, and the threshing pattern rod 218 is installed on the threshing tooth rod 216 through the mounting bracket 219, and the threshing pattern rod 218 has a plurality of protruding structures arranged at intervals along its own length direction on the working surface of the threshing pattern rod 218 facing away from the threshing tooth rod 216.

[0071] The debris recovery mechanism 3 includes: a debris collection structure 31, a debris transport structure 32 and a debris discharging structure 33. The debris collection structure 31 is located below the threshing mechanism 2, and the debris discharging structure 33 is arranged above the feeding roller 1 through a debris recovery shield 331. The debris collection structure 31 is connected to the debris discharging structure 33 through the debris transport structure 32 so that the debris can be fed into the feeding roller 1.

[0072] It should be noted that, whether it is the feeding roller 1, the threshing drum 21 or the debris recovery mechanism 3, a corresponding driving mechanism is provided, wherein the driving mechanism drives the feeding roller 1 or the threshing drum 21 to rotate around its own axis through a belt. It should be noted that the rotation direction of the threshing drum 21 is perpendicular to the incoming material direction, and the rotation direction of the feeding roller 1 is perpendicular to the rotation direction of the threshing drum 21.

[0073] The specific working process is as follows: the separation device is started, the feeding roller 1 starts to rotate, and the crops are pushed toward the feeding cone 211 through the feeding plate 13, and the crops are pre-threshed at the same time. The spiral blades 212 and the reinforcing blades 213 arranged on the feeding cone 211 cut the overlong crops into small sections on the one hand, and transport them to the rear threshing drum 21 on the other hand. The threshing pattern rods 218 on the threshing drum 21 cooperate with the threshing concave plates 23 to rub and thresh the crops, and then the crops move backwards under the action of the drum cover 22, and are threshed by being beaten by the threshing tooth rods 216. After threshing is completed, under the action of the fan, most of the straw will be blown out of the harvester with the wind, but a small part will still fall into the cleaning bottom shell, and then will be transported back to the feeding roller 1 by the residual recovery mechanism 3 for re-threshing and screening.

[0074] The threshing device of the present invention can realize pre-threshing of crops, and at the same time can also increase the crop feeding amount to the threshing drum 21, improve the threshing effect and threshing quality, and can ensure the strength of the blades and the overall disassembly and maintenance of the threshing drum 21.

[0075] A second aspect of the present invention provides a harvester, which can pre-thresh crops and improve threshing effect and threshing quality.

[0076] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "a specific implementation", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0077] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0078] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0079] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A threshing device, characterized in that: The invention comprises a feeding roller (1) and a threshing mechanism (2) which are sequentially arranged along the direction of incoming materials, wherein the threshing mechanism (2) comprises a threshing drum (21), the rotation direction of the threshing drum (21) is perpendicular to the direction of incoming materials, the rotation direction of the feeding roller (1) is perpendicular to the rotation direction of the threshing drum (21), the threshing drum (21) is sequentially provided with a feeding part and a threshing part along the direction of incoming materials, the feeding part comprises a feeding cone (211), a spiral blade (212) is arranged on the feeding cone (211), a reinforcing blade (213) is detachably mounted on the spiral blade (212), a working surface of the spiral blade (212) close to the reinforcing blade (213) is in contact with a working surface of the reinforcing blade (213) close to the spiral blade (212), and an outer edge of the reinforcing blade (213) is higher than an outer edge of the spiral blade (212).

2. The threshing device according to claim 1, characterized in that: A reinforcement structure (214) is formed between the working surface of the spiral blade (212) facing away from the reinforcement blade (213) and the feeding cone (211).

3. The threshing device according to claim 2, characterized in that: The reinforcement structure (214), the spiral blades (212) and the feeding cone (211) together form a reinforcement cavity structure.

4. The threshing device according to claim 1, characterized in that: The threshing mechanism further comprises a drum cover (22) and a threshing concave plate (23); the drum cover (22) is located above the threshing concave plate (23); the drum cover (22) and the threshing concave plate (23) are combined to form a hollow structure capable of accommodating the threshing portion.

5. The threshing device according to claim 4, characterized in that: The threshing drum (21) further comprises a drum shaft (215) penetrating the threshing portion, the drum shaft (215) being fixedly connected to the feeding cone (211), the threshing portion comprising a plurality of threshing tooth rods (216), a plurality of threshing width disks (217) being arranged at intervals on the drum shaft (215), the threshing tooth rods (216) being fixedly connected to the drum shaft (215) via the threshing width disks (217), and the threshing tooth rods (216) being arranged at intervals along the circumference of the threshing width disks (217), and the threshing tooth rods (216) being fixedly connected to the feeding cone (211) at one end thereof close to the feeding cone (211).

6. The threshing device according to claim 5, characterized in that: The threshing section also includes a threshing pattern rod (218), wherein the threshing pattern rod (218) is mounted on the threshing tooth rod (216) via a mounting bracket (219), and a plurality of protruding structures are arranged at intervals along the length direction of the threshing pattern rod (218) on a working surface facing away from the threshing tooth rod (216).

7. The threshing device according to claim 1, characterized in that: The feeding roller (1) comprises a feeding roller shaft (11), a feeding web disc (12) sleeved on the feeding roller shaft (11) and evenly arranged along the length direction of the feeding roller shaft (11), and a plurality of feeding plates (13), wherein the feeding plates (13) are evenly and / or spirally arranged along the length direction of the feeding roller shaft (11), the feeding plates (13) are mounted on the outer peripheral surface of the feeding web disc (12) via a mounting seat (14), the mounting seat (14) is fixedly mounted on the feeding roller shaft (11) via the feeding web disc (12), and a threshing structure is formed on the edge of the feeding plate (13) facing away from the feeding roller shaft (11).

8. The threshing device according to claim 7, characterized in that: The mounting seat (14) is provided with an error-proofing structure (15).

9. The threshing device according to any one of claims 1 to 8, characterized in that: The invention also comprises a waste recycling mechanism (3), the waste recycling mechanism (3) comprising a waste collection structure (31), a waste conveying structure (32) and a waste discharge structure (33), the waste collection structure (31) being located below the threshing mechanism, the waste discharge structure (33) being arranged above the feeding roller (1) via a waste recycling shield (331), the waste collection structure (31) being connected to the waste discharge structure (33) via a waste conveying structure (32) so as to be able to feed the waste into the feeding roller (1).

10. A harvester, characterized in that: It comprises a threshing device according to any one of claims 1 to 9.

Images