Low-damage corn threshing device
By using a combination structure of rubber strip threshing rollers and inner screen cylinders in the corn threshing device, and combining it with hydraulic rods to adjust the angle of the threshing chamber, the problems of corn kernel damage and angle adjustment are solved, achieving low-damage and high-efficiency corn threshing results.
Patent Information
- Application Number
- CN202422949435.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In existing corn threshing devices, a single threshing drum can easily damage corn kernels, and the angle adjustment device cannot meet the optimal threshing requirements of different corn varieties.
It adopts a combination structure of threshing roller with rubber strips and inner screen cylinder, and uses hydraulic rod to drive the angle adjustment of corn threshing chamber. The threshing angle can be adjusted by rotating the support in a single position, and the rubber strips are used to reduce damage to corn kernels.
It enables rapid threshing of corn kernels, reduces damage to corn kernels, adapts to the threshing needs of different corn varieties, and improves threshing efficiency and integrity.
Smart Images

Figure CN223528539U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of corn processing technology, specifically a low-damage corn threshing device. Background Technology
[0002] In the corn processing industry, most processing techniques use corn kernels as raw materials. When making corn foods such as corn chips and corn oil, corn kernels are an ideal raw material because their components are easier to extract and convert, and the processed products are of more uniform quality. Corn kernels are also easier to transport than corn cobs. Therefore, it is necessary to separate corn kernels from corn cobs to facilitate the processing and transportation of corn kernels.
[0003] According to the authorization announcement number CN217217481U, the low-damage corn threshing device has an adjustable side plate fixed to the side of the mounting frame. The adjustable side plate has an arc-shaped hole. The lower edge of the angle adjustment support frame is hinged to the vertical plane along the length of the mounting frame, and the upper edge of the angle adjustment support frame is slidably set in the arc-shaped hole. The corn threshing and separating component is installed inside the angle adjustment support frame. The telescopic base is fixed to the side of the mounting frame and is located at the lower end of the adjustable side plate. The fixed end of the electric push rod is hinged to the telescopic base, and the telescopic end of the electric push rod is hinged to the first hole of the double-hole connecting plate. The second hole of the double-hole connecting plate is hinged to the upper edge of the angle adjustment support frame. The effect is that by adjusting the tilt angle of the angle adjustment support frame, the tilt angle of the corn threshing and separating component during operation can be adjusted, ensuring that different corn varieties are all at the most ideal threshing and separating angle, thereby achieving low damage in corn threshing operations.
[0004] However, the above-mentioned device still has shortcomings. Although the optimal corn threshing and separation angle is achieved by using an adjustable angle setting, the corn threshing and separation component still uses a single threshing drum to thresh the corn, and the threshing nails on the drum will damage the corn kernels. Utility Model Content
[0005] The purpose of this invention is to provide a low-damage corn threshing device to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a low-damage corn threshing device, comprising a support base, a corn threshing chamber, an adjusting bracket, a hydraulic rod, a supporting leg, and a collecting box. The corn threshing chamber is located on top of the support base, the adjusting bracket is located at one end of the corn threshing chamber, the hydraulic rod is located at the other end of the corn threshing chamber, the supporting leg is fixedly connected to the bottom of the support base, and the collecting box is installed below the corn threshing chamber. The corn threshing chamber is lifted by the hydraulic rod, and the threshing angle of the corn threshing chamber can be adjusted by rotating the adjusting bracket in a single position.
[0007] The corn threshing bin includes a cylinder, a drive motor, a feed inlet, a discharge inlet, and a slag discharge outlet. The drive motor is fixedly connected to one end of the cylinder and is positioned above the feed inlet. The discharge inlet is located at the bottom of the cylinder, and the slag discharge outlet is located at one end of the outer side of the cylinder. Corn cobs are fed into the cylinder through the feed inlet, and after rolling inside the cylinder, the corn kernels fall from the discharge inlet, and the corn cobs are discharged from the slag discharge outlet.
[0008] Preferably, the cylinder includes an outer cylinder, an inner screen cylinder, a rotating roller, a mounting frame, and a threshing roller. The inner screen cylinder is fixedly connected to the inside of the inner screen cylinder, the rotating roller is rotatably connected to the inner side of the inner screen cylinder, the mounting frame is fixedly connected to the outer side of the rotating roller, and the threshing roller is rotatably connected to one end of the mounting frame. The output shaft of the drive motor passes through the outer cylinder and is fixedly connected to the rotating roller. The drive motor drives the rotating roller to rotate, which in turn drives the threshing roller to rotate. The threshing roller, in conjunction with the inner screen cylinder, drives the corn cobs to rotate, thereby threshing the corn cobs.
[0009] Preferably, the threshing roller includes a roller body and a rubber strip. The rubber strip is fixedly connected to the outside of the corn cob. The rubber strip can reduce damage to the corn kernels and increase contact with the corn cob, making the corn kernels threshing faster.
[0010] Preferably, there are two hydraulic rods, which are respectively set on both sides of the drive motor, and the two hydraulic rods ensure the stability of the lifting and lowering of the corn threshing bin.
[0011] Preferably, the size of the collection box is larger than the size of the discharge port to ensure that the corn kernels can fall into the collection box for easy collection.
[0012] Preferably, the rubber strip is provided with protrusions. The increased friction and appropriate squeezing from the protrusions remove the corn kernels from the corn cob, and the rubber material can prevent hard damage to the corn kernels and corn cob.
[0013] Preferably, the length of the threshing roller is greater than the length of the discharge point to ensure complete threshing of corn.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This low-damage corn threshing device uses a drive motor to rotate a rotating roller, which in turn drives a threshing roller. The threshing roller, in conjunction with an inner screen cylinder, rotates the corn cob to thresh the corn. The rubber strips reduce damage to the corn kernels while increasing contact with the corn cob, making the threshing process faster.
[0016] 2. This low-damage corn threshing device uses a hydraulic rod to lift the corn threshing chamber. Combined with the single-position rotation of the adjusting bracket, the threshing angle of the corn threshing chamber can be adjusted, reducing damage to the corn kernels during threshing. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the corn threshing bin of this utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the corn threshing bin of this utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the threshing roller of this utility model.
[0021] In the diagram: 1. Support base; 2. Corn threshing bin; 3. Adjusting bracket; 4. Hydraulic rod; 5. Support leg; 6. Grain collection box; 201. Cylinder; 202. Drive motor; 203. Feed inlet; 204. Discharge outlet; 205. Slag discharge outlet; 210. Outer cylinder; 211. Inner screen cylinder; 212. Rotating roller; 213. Mounting frame; 214. Threshing roller; 220. Roller body; 221. Rubber strip. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-4 This utility model provides a technical solution: a low-damage corn threshing device, including a support base 1, a corn threshing chamber 2, an adjusting bracket 3, a hydraulic rod 4, a supporting leg 5, and a collecting box 6. The corn threshing chamber 2 is located on the top of the support base 1, the adjusting bracket 3 is located at one end of the corn threshing chamber 2, the hydraulic rod 4 is located at the other end of the corn threshing chamber 2, the supporting leg 5 is fixedly connected to the bottom of the support base 1, and the collecting box 6 is installed below the corn threshing chamber 2. The corn threshing chamber 2 is lifted by the hydraulic rod 4. With the single-position rotation of the adjusting bracket 3, the threshing angle of the corn threshing chamber 2 can be adjusted. There are two hydraulic rods 4, which are respectively located on both sides of the drive motor 202. The two hydraulic rods 4 ensure the stability of the lifting and lowering of the corn threshing chamber 2.
[0024] The corn threshing bin 2 includes a cylinder 201, a drive motor 202, a feed inlet 203, a discharge inlet 204, and a slag discharge inlet 205. The drive motor 202 is fixedly connected to one end of the cylinder 201. The drive motor 202 is located above the cylinder 201. The discharge inlet 204 is located at the bottom of the cylinder 201. The slag discharge inlet 205 is located at one end of the outer side of the cylinder 201. Corn cobs are fed into the cylinder 201 through the feed inlet 203. After rolling inside the cylinder 201, the corn kernels fall from the discharge inlet 204, and the corn cobs are discharged from the slag discharge inlet 205. The size of the collection box 6 is larger than the size of the discharge inlet 204 to ensure that the corn kernels can fall into the collection box 6 for easy collection.
[0025] The cylinder 201 includes an outer cylinder 210, an inner screen cylinder 211, a rotating roller 212, a mounting frame 213, and a threshing roller 214. The inner screen cylinder 211 is fixedly connected to the inside of the inner screen cylinder 211. The rotating roller 212 is rotatably connected to the inner side of the inner screen cylinder 211. The mounting frame 213 is fixedly connected to the outer side of the rotating roller 212. The threshing roller 214 is rotatably connected to one end of the mounting frame 213. The output shaft of the drive motor 202 passes through the outer cylinder 210 and is fixedly connected to the rotating roller 212. The drive motor 202 drives the rotating roller 212 to rotate, which in turn drives the threshing roller 214 to rotate. The threshing roller 214, in conjunction with the inner screen cylinder 211, drives the corn cobs to rotate and thresh the corn cobs. The length of the threshing roller 214 is greater than the length of the discharge point 204 to ensure complete threshing of the corn.
[0026] The threshing roller 214 includes a roller body 220 and a rubber strip 221. The rubber strip 221 is fixedly connected to the outside of the corn cob. The rubber strip 221 can reduce damage to the corn kernels and increase contact with the corn cob, making the corn kernels threshing faster. The rubber strip 221 is provided with protrusions. The increased friction and appropriate squeezing of the protrusions will remove the corn kernels from the corn cob. The rubber material can avoid hard damage to the corn kernels and corn cobs.
[0027] When in use, corn cobs are placed into the cylinder 201 through the feed inlet 203. The hydraulic rod 4 adjusts the angle of the corn threshing chamber 2, and the drive motor 202 drives the rotating roller 212 to rotate, so that the threshing roller 214 rotates in the inner screen cylinder 211, causing the corn cobs to rotate and be squeezed, so that the corn kernels are discharged from the discharge outlet 204 and the corn cobs are discharged from the slag outlet 205, thus completing the corn threshing work. The adjustable threshing angle and the setting of the rubber strip 221 reduce damage to the corn kernels.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A low-damage corn threshing device, comprising a support base (1), a corn threshing chamber (2), an adjusting bracket (3), a hydraulic rod (4), a support leg (5), and a receiving box (6), characterized in that: The corn threshing chamber (2) is located on the top of the support base (1), the adjusting bracket (3) is located at one end of the corn threshing chamber (2), the hydraulic rod (4) is located at the other end of the corn threshing chamber (2), the support leg (5) is fixedly connected to the bottom of the support base (1), and the grain collection box (6) is installed below the corn threshing chamber (2). The corn threshing bin (2) includes a cylinder (201), a drive motor (202), a feed inlet (203), a discharge inlet (204), and a slag discharge inlet (205). The drive motor (202) is fixedly connected to one end of the cylinder (201). The drive motor (202) is located above the drive motor (202). The discharge inlet (204) is located at the bottom of the cylinder (201). The slag discharge inlet (205) is located at one end of the outer side of the cylinder (201).
2. The low-damage corn threshing device according to claim 1, characterized in that: The cylinder (201) includes an outer cylinder (210), an inner screen cylinder (211), a rotating roller (212), a mounting frame (213), and a threshing roller (214). The inner screen cylinder (211) is fixedly connected to the inside of the inner screen cylinder (211), the rotating roller (212) is rotatably connected to the inside of the inner screen cylinder (211), the mounting frame (213) is fixedly connected to the outside of the rotating roller (212), and the threshing roller (214) is rotatably connected to one end of the mounting frame (213).
3. The low-damage corn threshing device according to claim 2, characterized in that: The threshing roller (214) includes a roller body (220) and a rubber strip (221), wherein the rubber strip (221) is fixedly connected to the outside of the rubber strip (221).
4. The low-damage corn threshing device according to claim 1, characterized in that: The hydraulic rods (4) are two in number, and are respectively set on both sides of the drive motor (202).
5. The low-damage corn threshing device according to claim 1, characterized in that: The size of the receiving box (6) is larger than the size of the discharge point (204).
6. The low-damage corn threshing device according to claim 3, characterized in that: The rubber strip (221) is provided with protrusions, and the increased friction and appropriate squeezing of the protrusions will cause the corn kernels to fall off the corn cob.
7. A low-damage corn threshing device according to claim 6, characterized in that: The length of the threshing roller (214) is greater than the length of the discharge section (204).
Citation Information
Patent Citations
Low-damage corn threshing device
CN217217481U