Stem and ear harvesting corn machine with threshing function
By designing a threshing and dust removal mechanism in a stem and ear harvesting corn machine, and using filters and movable frames to collect residues, the problem of difficulty in collecting residues in the prior art and pollute the environment is solved, and a more efficient corn harvest and a better operating environment are achieved.
Patent Information
- Application Number
- CN202421700180.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The existing stem and ear harvester with threshing function is inconvenient to collect residues, causing residues to drift everywhere, polluting the operating environment, and its practicality is average.
A stem and ear-cropping corn machine with threshing function is designed, including a threshing and dust removal mechanism, which includes a threshing assembly, a dust removal assembly and a discharge assembly. The dust removal component can effectively collect and clean the residue by setting a filter and movable frame, combined with the blowing of the fan.
Through this design, residues can be effectively prevented from drifting around, polluting the operating environment, and improving the practicality and efficiency of corn harvest.
Smart Images

Figure CN222954432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of threshers, in particular to a corn harvester with a threshing function for harvesting both stalks and ears. Background Art
[0002] A corn harvester with a threshing function for harvesting both stalks and ears is a multi-functional agricultural machine. It can separate the stalks and ear grains while harvesting corn and perform threshing treatment, greatly improving the efficiency and quality of corn harvesting.
[0003] The existing corn harvester with a threshing function for harvesting both stalks and ears still has the following problems. The existing device generally cleans the residue after threshing the corn. Referring to the threshing device of a corn stalk and ear combined harvester disclosed in the patent application with the publication number CN210537542U, this utility model makes the corn threshing more complete through the coordinated work of large and small rotating cylinders. At the same time, the work of the double rotating cylinders can improve the work efficiency, and the work of the air pump can also blow and filter residues such as corn whiskers, further improving the cleanliness of the corn kernels, reducing the later manual labor, and saving manpower.
[0004] However, in the above technology, this device blows and filters the residue through an air pump, while the existing device only blows the residue through the air pump, which is inconvenient for collecting these residues, will cause the residues to float around, pollute the working environment, and the practicability is general. Content of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the utility model provides a corn harvester with a threshing function for harvesting both stalks and ears, which solves the problems that the existing corn harvester with a threshing function for harvesting both stalks and ears is inconvenient for collecting these residues, will cause the residues to float around, pollute the working environment, and the practicability is general.
[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A corn harvester with a threshing function for harvesting both stalks and ears includes an outer box. A threshing and dust removal mechanism is arranged inside the outer box for threshing the corn. The threshing and dust removal mechanism includes:
[0007] A threshing component, arranged inside the outer box for threshing the corn;
[0008] A dust removal component, arranged outside the outer box for cleaning the residue. The dust removal component includes an installation box fixedly installed at the rear side of the outer box. A plurality of first ventilation slots are opened at the rear side of the installation box. A plurality of fans are fixedly installed at the front side of the installation box. A collection component is arranged at the front side of the outer box for collecting the residue;
[0009] A discharging component, arranged inside the outer box for separately discharging the corn kernels and the corn cobs.
[0010] Preferably, the collection component includes a dust collection box fixedly installed on the front side of the outer box. An activity frame is movably installed inside the dust collection box. A filter screen is fixedly installed on the front side of the inner cavity of the activity frame. A baffle is fixedly installed on the bottom surface of the inner cavity of the activity frame. A plurality of second ventilation grooves are formed on the front side of the dust collection box. The front side of the installation box penetrates through the rear side of the outer box and extends into the interior of the outer box.
[0011] Preferably, the rear side of the dust collection box penetrates through the front side of the outer box and extends into the interior of the outer box. The top surface of the activity frame movably penetrates through the interior of the dust collection box and extends to the top surface of the dust collection box.
[0012] Preferably, the threshing component includes a fixed cover fixedly installed inside the outer box. A driving motor is fixedly installed on the left side of the outer box. A feeding hopper is fixedly installed on the top surface of the outer box. An activity cylinder is movably installed inside the fixed cover. A plurality of threshing teeth are fixedly installed on the outer side of the activity cylinder. A pressing cylinder is movably installed on the bottom surface of the fixed cover. A plurality of notches are formed on the bottom surface of the pressing cylinder. Horizontal plates are fixedly installed on both the front and rear sides of the fixed cover. L-shaped plates are fixedly installed on both the front and rear sides of the pressing cylinder. A top plate is fixedly installed on the top surface of the L-shaped plate. A plurality of springs are fixedly installed on the bottom surface of the top plate.
[0013] Preferably, the output end of the driving motor movably penetrates through the left sides of the outer box and the fixed cover and is fixedly installed at the left end of the activity cylinder. The bottom surface of the feeding hopper penetrates through the top surfaces of the outer box and the fixed cover and extends into the interior of the fixed cover. The top surfaces of the L-shaped plates movably penetrate through the bottom surfaces of the horizontal plates and are fixedly installed on the bottom surfaces of the top plates. The bottom ends of the plurality of springs are all fixedly installed on the top surfaces of the horizontal plates.
[0014] Preferably, the discharging component includes a discharging port formed on the left bottom surface of the outer box. A grain discharging plate is fixedly installed inside the outer box. A spike discharging port is formed on the right side of the outer box. A guiding plate is fixedly installed on the bottom surface of the spike discharging port. The left side of the grain discharging plate penetrates through the interior of the discharging port and extends to the left side of the outer box.
[0015] Beneficial effects
[0016] The utility model provides a corn harvester capable of harvesting both stalks and ears with a threshing function. Compared with the prior art, the following beneficial effects are achieved:
[0017] (1) For the corn harvester capable of harvesting both stalks and ears with a threshing function, the filter screen and the activity frame are provided to facilitate the collection of residues. When in use, the fan is started to blow the residues forward when the corn kernels fall. Then, the residues will be filtered by the filter screen and stored in the interior of the activity frame. At the same time, the baffle will prevent the residues from falling out of the interior of the activity frame. When it is necessary to clean the residues, directly pull the activity frame, which can drive the residues to be pulled out of the interior of the dust collection box, avoiding the residues from spreading around and polluting the operation environment, and it has good practicability.
[0018] (2) The corn harvester capable of harvesting both stalks and ears with threshing function can thresh corn ears through the arranged movable cylinder and pressing cylinder. During use, the corn ears are put into the feed hopper and fall into the interior of the fixed cover, then enter the pressing cylinder along the fixed cover. Then, the driving motor is started to drive the movable cylinder to rotate, and the corn ears are threshed by the threshing teeth. At the same time, the elastic force of the spring can drive the top plate to pull the L-shaped plate to move the pressing cylinder upward. Then, the pressing cylinder can drive the corn ears to closely adhere to the outer side of the movable cylinder to improve the threshing efficiency. At this time, the corn ears will slowly move to the right and the corn kernels will fall through the notch. The structure is simple and the threshing effect is good. Description of the Drawings
[0019] Figure 1 is the three-dimensional external view schematic diagram of the present utility model;
[0020] Figure 2 is the front view sectional three-dimensional external view schematic diagram of the present utility model;
[0021] Figure 3 is the side view sectional three-dimensional external view schematic diagram of the present utility model;
[0022] Figure 4 is the Figure 3 magnified external view schematic diagram of part A in the present utility model.
[0023] In the figure: 1 - outer box, 2 - threshing and dust removal mechanism, 21 - threshing component, 211 - driving motor, 212 - feed hopper, 213 - fixed cover, 214 - movable cylinder, 215 - threshing teeth, 216 - notch, 217 - pressing cylinder, 218 - top plate, 219 - spring, 2110 - cross plate, 2111 - L-shaped plate, 22 - dust removal component, 221 - installation box, 222 - first ventilation slot, 223 - fan, 224 - filter screen, 225 - second ventilation slot, 226 - baffle, 227 - movable frame, 228 - dust collection box, 23 - discharging component, 231 - guiding plate, 232 - ear discharging port, 233 - grain discharging plate, 234 - discharging port. Detailed Embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0025] Refer to Figures 1-4 , the present utility model provides two technical solutions:
[0026] The first implementation method: A corn combine harvester with threshing function, including an outer box 1. Inside the outer box 1, a threshing and dust removal mechanism 2 is provided for threshing corn. The threshing and dust removal mechanism 2 includes:
[0027] A threshing component 21, arranged inside the outer box 1 for threshing corn;
[0028] A dust removal component 22, arranged outside the outer box 1 for cleaning residues. The dust removal component 22 includes a mounting box 221 fixedly installed at the rear side of the outer box 1. A number of first ventilation slots 222 are opened at the rear side of the mounting box 221, and the number of first ventilation slots 222 are linearly and evenly distributed at the rear side of the mounting box 221. A number of fans 223 are fixedly installed at the front side of the mounting box 221. A collection component is arranged at the front side of the outer box 1 for collecting residues;
[0029] A discharging component 23, arranged inside the outer box 1 for separately discharging corn kernels and corn cobs. The collection component includes a dust collection box 228 fixedly installed at the front side of the outer box 1. An activity frame 227 is movably installed inside the dust collection box 228. A filter screen 224 is fixedly installed at the front side of the inner cavity of the activity frame 227. A baffle 226 is fixedly installed at the bottom surface of the inner cavity of the activity frame 227, and the rear side of the baffle 226 is beveled. A number of second ventilation slots 225 are opened at the front side of the dust collection box 228, and the number of second ventilation slots 225 are linearly and evenly distributed at the front side of the dust collection box 228. The front side of the mounting box 221 penetrates through the rear side of the outer box 1 and extends to the inside of the outer box 1. The rear side of the dust collection box 228 penetrates through the front side of the outer box 1 and extends to the inside of the outer box 1. The top surface of the activity frame 227 movably penetrates through the inside of the dust collection box 228 and extends to the top surface of the dust collection box 228, and pulling the activity frame 227 can directly pull the residues out of the inside of the dust collection box 228.
[0030] By setting the filter screen 224 and the activity frame 227, it is convenient to collect residues. During use, start the fan 223 to blow the residues forward when the corn kernels fall. Then the residues will be filtered by the filter screen 224 and stored in the inside of the activity frame 227. At the same time, the baffle 226 will prevent the residues from falling out of the inside of the activity frame 227. When it is necessary to clean the residues, directly pull the activity frame 227, which can drive the residues out of the inside of the dust collection box 228, avoiding the residues from spreading around and polluting the working environment, and it has good practicability.
[0031] The second implementation mode, the main difference from the first implementation mode is that: the threshing component 21 includes a fixed cover 213 fixedly installed inside the outer box 1, a driving motor 211 is fixedly installed on the left side of the outer box 1, a feed hopper 212 is fixedly installed on the top surface of the outer box 1, a movable cylinder 214 is movably installed inside the fixed cover 213, several threshing teeth 215 are fixedly installed on the outer side of the movable cylinder 214, specifically, several threshing teeth 215 are evenly distributed in a circumferential linear manner on the outer side of the movable cylinder 214, a pressing cylinder 217 is movably installed on the bottom surface of the fixed cover 213, several notches 216 are opened on the bottom surface of the pressing cylinder 217, horizontal plates 2110 are fixedly installed on both the front and rear sides of the fixed cover 213, L-shaped plates 2111 are fixedly installed on both the front and rear sides of the pressing cylinder 217, a top plate 218 is fixedly installed on the top surface of the L-shaped plate 2111, several springs 219 are fixedly installed on the bottom surface of the top plate 218, the output end of the driving motor 211 movably penetrates the left side of the outer box 1 and the fixed cover 213 and is fixedly installed at the left end of the movable cylinder 214, and starting the driving motor 211 can drive the movable cylinder 214 to rotate, the bottom surface of the feed hopper 212 penetrates the top surface of the outer box 1 and the fixed cover 213 and extends into the interior of the fixed cover 213, the top surface of the L-shaped plate 2111 movably penetrates the bottom surface of the horizontal plate 2110 and is fixedly installed on the bottom surface of the top plate 218, the bottom ends of several springs 219 are all fixedly installed on the top surface of the horizontal plate 2110, and the elastic force of the several springs 219 can drive the top plate 218 to pull the driving motor 211 to raise the pressing cylinder 217. The discharging component 23 includes a discharging port 234 opened on the left bottom surface of the outer box 1, a grain discharging plate 233 is fixedly installed inside the outer box 1, and the fan 223 is inclinedly installed. A spike discharging port 232 is opened on the right side of the outer box 1, a guiding plate 231 is fixedly installed on the bottom surface of the spike discharging port 232, and the left side of the grain discharging plate 233 penetrates inside the discharging port 234 and extends to the left side of the outer box 1.
[0032] The movable cylinder 214 and the pressing cylinder 217 provided can thresh the corn cobs. During use, the corn cobs are put into the feed hopper 212 and fall into the interior of the fixed cover 213, then they will enter the pressing cylinder 217 along the fixed cover 213. Then, the driving motor 211 is started to drive the movable cylinder 214 to rotate, and the corn cobs are threshed by the threshing teeth 215. At the same time, the elastic force of the spring 219 can drive the top plate 218 to pull the L-shaped plate 2111 to move the pressing cylinder 217 upward. Then, the pressing cylinder 217 can drive the corn cobs to closely adhere to the outer side of the movable cylinder 214 to improve the threshing efficiency. At this time, the corn cobs will slowly move to the right and the corn kernels will fall through the notches 216. The structure is simple and the threshing effect is good.
[0033] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.
[0034] In use, the operator connects the device to power supply, then puts the corn cobs into the feed hopper 212 and they fall into the interior of the fixed cover 213. Then they will enter the pressing cylinder 217 along the fixed cover 213. Next, the driving motor 211 is started to drive the movable cylinder 214 to rotate, and the corn cobs are threshed by the threshing teeth 215. At the same time, the elastic force of the spring 219 can drive the top plate 218 to pull the L-shaped plate 2111 to move the pressing cylinder 217 upward. Then the pressing cylinder 217 can drive the corn cobs to closely adhere to the outer side of the movable cylinder 214 to improve the threshing efficiency. At this time, the corn cobs will slowly move to the right, and the corn kernels will fall through the notch 216 onto the top surface of the grain discharge plate 233 and be discharged from the device through the discharge port 234. The corn cobs will be discharged through the ear discharge port 232 under the guidance of the guide plate 231. Then the fan 223 is started to blow the residues forward when the corn kernels are falling. Next, the residues will be filtered by the filter screen 224 and stored in the interior of the movable frame 227. At the same time, the baffle 226 will prevent the residues from falling out of the interior of the movable frame 227. When it is necessary to clean the residues, directly pull the movable frame 227, which can drive the residues to be pulled out of the interior of the dust collection box 228, to prevent the residues from spreading around and polluting the working environment.
[0035] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising" - "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process - method - article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process - method - article or device.
[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A corn stalk and ear harvester with threshing function, comprising an outer box (1), characterized in that: A threshing and dust removal mechanism (2) is arranged inside the outer box (1) for threshing corn, and the threshing and dust removal mechanism (2) comprises: A threshing assembly (21), arranged inside the outer box (1) and used for threshing corn; A dust removal component (22) is arranged on the outside of the outer box (1) for cleaning the residue, the dust removal component (22) comprising a mounting box (221) fixedly mounted on the rear side of the outer box (1), a plurality of first ventilation slots (222) being provided on the rear side of the mounting box (221), a plurality of fans (223) being fixedly mounted on the front side of the mounting box (221), and a collection component for collecting the residue being provided on the front side of the outer box (1); A discharge assembly (23) is arranged inside the outer box (1) and is used to discharge corn kernels and corn cobs separately.
2. The corn stalk and ear harvesting machine with threshing function according to claim 1, characterized in that: The collecting assembly comprises a dust collecting box (228) fixedly mounted on the front side of the outer box (1); a movable frame (227) is movably mounted inside the dust collecting box (228); a filter screen (224) is fixedly mounted on the front side of the inner cavity of the movable frame (227); a baffle (226) is fixedly mounted on the bottom surface of the inner cavity of the movable frame (227); a plurality of second ventilation slots (225) are provided on the front side of the dust collecting box (228); and the front side of the mounting box (221) passes through the rear side of the outer box (1) and extends to the interior of the outer box (1).
3. The corn stalk and ear harvesting machine with threshing function according to claim 2, characterized in that: The rear side of the dust box (228) passes through the front side of the outer box (1) and extends to the interior of the outer box (1), and the top surface of the movable frame (227) movably passes through the interior of the dust box (228) and extends to the top surface of the dust box (228).
4. The corn stalk and ear harvesting machine with threshing function according to claim 1, characterized in that: The threshing assembly (21) comprises a fixed cover (213) fixedly mounted inside the outer box (1); a driving motor (211) is fixedly mounted on the left side of the outer box (1); a feeding hopper (212) is fixedly mounted on the top surface of the outer box (1); a movable cylinder (214) is movably mounted inside the fixed cover (213); a plurality of threshing teeth (215) are fixedly mounted on the outer side of the movable cylinder (214); a pressing cylinder (217) is movably mounted on the bottom surface of the fixed cover (213); a plurality of notches (216) are provided on the bottom surface of the pressing cylinder (217); transverse plates (2110) are fixedly mounted on both the front and rear sides of the fixed cover (213); L-shaped plates (2111) are fixedly mounted on both the front and rear sides of the pressing cylinder (217); a top plate (218) is fixedly mounted on the top surface of the L-shaped plate (2111); and a plurality of springs (219) are fixedly mounted on the bottom surface of the top plate (218).
5. The corn stalk and ear harvesting machine with threshing function according to claim 4, characterized in that: The output end of the driving motor (211) movably passes through the left side of the outer box (1) and the fixed cover (213) and is fixedly mounted on the left end of the movable cylinder (214); the bottom surface of the feed hopper (212) passes through the top surface of the outer box (1) and the fixed cover (213) and extends to the interior of the fixed cover (213); the top surface of the L-shaped plate (2111) movably passes through the bottom surface of the transverse plate (2110) and is fixedly mounted on the bottom surface of the top plate (218); and the bottom ends of the plurality of springs (219) are fixedly mounted on the top surface of the transverse plate (2110).
6. The corn stalk and ear harvesting machine with threshing function according to claim 1, characterized in that: The discharge assembly (23) comprises a discharge port (234) opened on the bottom surface of the left side of the outer box (1); a particle discharge plate (233) is fixedly installed inside the outer box (1); an ear discharge port (232) is opened on the right side of the outer box (1); a guide plate (231) is fixedly installed on the bottom surface of the ear discharge port (232); the left side of the particle discharge plate (233) passes through the inside of the discharge port (234) and extends to the left side of the outer box (1).
Citation Information
Patent Citations
Threshing device of corn stalk and ear harvester
CN210537542U