Crop seed screening device

Abstract

The utility model relates to the technical field of crop seed screening, in particular to a crop seed screening device which is provided with a feeding mechanism and an adjusting mechanism, so that in the crop seed screening process, dust, seed coats and other light impurities in seeds can be removed, the seed coats wrapping the seeds can be stripped, and the crop seed screening efficiency is improved. The size of the required seeds can be adjusted; comprising a winnowing mechanism; the winnowing machine further comprises a feeding mechanism, a deslagging mechanism, a screening mechanism and an adjusting mechanism, the feeding mechanism is installed at the upper end of the winnowing mechanism, the deslagging mechanism is installed in the winnowing mechanism, the screening mechanism is installed in the winnowing mechanism, and the adjusting mechanism is installed on the screening mechanism; the winnowing mechanism is used for winnowing, the feeding mechanism is used for feeding, the deslagging mechanism is used for deslagging, the screening mechanism is used for screening, and the adjusting mechanism is matched with the screening mechanism to adjust the size of seeds.

Description

Technical Field

[0001] The utility model relates to the technical field of crop seed screening, in particular to a crop seed screening device. Background Art

[0002] Crops are various plants cultivated in agriculture, including two categories: food crops and cash crops. "Food is the primary need of man", which expresses the relationship between man and food. A reasonable diet can bring health to human beings. The growth of crops is inseparable from scientific and technological production technology, as well as mechanical equipment manufactured by new industries to assist agricultural production.

[0003] In the existing crop seed screening devices, for example, a crop seed screening device disclosed in the utility model patent with application number 202222377640.7, the utility model sets a wind selection mechanism, and the air inlet and the air outlet pipe facilitate the circulation of airflow. The first motor drives the first transmission shaft and the fan blades to rotate, thereby accelerating the flow of air, thereby blowing away the shriveled rice husks and dust impurities contained in the dry rice seeds, and discharging these shriveled rice husks, dust impurities, etc. from the air outlet pipe, thereby reducing the specific gravity of the shriveled rice seeds and improving the germination rate.

[0004] However, in the process of crop seed screening, various crop seeds are of different sizes, and the device can only screen single seeds. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a crop seed screening device which is equipped with a feeding mechanism and an adjusting mechanism, so that during the crop seed screening process, lighter impurities such as dust and seed coat in the seeds can be removed, the seed coat covering the seeds can be peeled off, and the required seed size can be adjusted.

[0006] The utility model discloses a crop seed screening device, comprising a wind selection mechanism; a feeding mechanism, a slag discharge mechanism, a screening mechanism and an adjusting mechanism, wherein the feeding mechanism is installed at the upper end of the wind selection mechanism, the slag discharge mechanism is installed in the wind selection mechanism, the screening mechanism is installed in the wind selection mechanism, and the adjusting mechanism is installed on the screening mechanism;

[0007] The air selection mechanism performs air selection, the feeding mechanism performs feeding, the slag discharge mechanism performs slag discharge, the screening mechanism performs screening, and the regulating mechanism cooperates with the screening mechanism to adjust the seed size; the size of the screened seeds is adjusted by adjusting the regulating mechanism, the material is stirred and added by opening the feeding mechanism, the seeds are air selected by opening the air selection mechanism, and the seeds are screened by opening the screening mechanism at the same time, and the slag is discharged by pulling out the slag discharge mechanism after the screening is completed, so that during the screening process of crop seeds, lighter impurities such as dust and seed coat in the seeds can be removed, the seed coat covering the seeds can also be peeled off, and the required seed size can be adjusted.

[0008] Preferably, the winnowing mechanism includes a winnowing box and a fan, and the fan is installed at the right end of the winnowing box; by turning on the fan, lighter impurities such as dust and seed coat in the seeds during the falling process are removed.

[0009] Preferably, the feeding mechanism includes a feed box, a stirring shaft and a motor. The feed box is installed at the upper end of the air separation box, the stirring shaft is rotatably installed in the feed box, and the input end of the stirring shaft extends to the upper side of the feed box. The motor is installed at the upper end of the feed box, and the output end of the motor is connected to the input end of the stirring shaft; the stirring shaft is driven by turning on the motor to rotate to stir the seeds.

[0010] Preferably, the slag discharge mechanism includes a ventilation box and a handle, the ventilation box is slidably installed in the air separation box, and the handle is installed at the left end of the ventilation box; the air is discharged through the ventilation box, so that the impurities are driven into the ventilation box, and the impurities in the ventilation box are dumped by pulling the handle.

[0011] Preferably, the screening mechanism includes a screen 1, multiple groups of springs and a vibration motor. The screen 1 is installed in the winnowing box through multiple groups of springs, and the vibration motor is installed at the lower end of the screen. The vibration motor is turned on to vibrate the screen 1 so that the screen 1 cooperates with the springs to screen the seeds.

[0012] Preferably, the adjustment mechanism includes screen two and a screw, screen two is slidably installed on the upper end of screen one, the screw is rotatably installed on the front end of screen two, and the screw is threadedly engaged with screen one; screen two is moved by rotating the screw to threadably engage with screen one, and while screen two moves, the sieve holes on screen two are misaligned with the sieve holes on screen one to adjust the required seed size.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the size of the screened seeds can be adjusted by adjusting the regulating mechanism, the materials can be stirred and added by opening the feeding mechanism, the seeds can be air-selected by opening the air-selection mechanism, and the seeds can be screened by opening the screening mechanism at the same time, and the residues can be discharged by pulling out the residue discharge mechanism after the screening is completed, so that during the screening process of crop seeds, lighter impurities such as dust and seed coat in the seeds can be removed, the seed coat covering the seeds can also be peeled off, and the required seed size can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the front view and section axonometric structure of the utility model;

[0017] Figure 4 It is a first right-view cross-sectional axonometric structural schematic diagram of the utility model;

[0018] Figure 5 It is a second right-view cross-sectional axonometric structural schematic diagram of the utility model;

[0019] Markings in the attached drawings: 1. air separation mechanism; 11. air separation box; 12. fan; 2. feeding mechanism; 21. feeding box; 22. stirring shaft; 23. motor; 3. slag discharge mechanism; 31. ventilation box; 32. handle; 4. screening mechanism; 41. screen one; 42. spring; 43. vibration motor; 5. adjustment mechanism; 51. screen two; 52. screw. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, it includes a wind selection mechanism 1, a feeding mechanism 2, a slag discharge mechanism 3, a screening mechanism 4 and an adjusting mechanism 5, wherein the feeding mechanism 2 is installed at the upper end of the wind selection mechanism 1, the slag discharge mechanism 3 is installed in the wind selection mechanism 1, the screening mechanism 4 is installed in the wind selection mechanism 1, and the adjusting mechanism 5 is installed on the screening mechanism 4;

[0023] The wind selection mechanism 1 performs wind selection, the feeding mechanism 2 performs feeding, the slag discharge mechanism 3 performs slag discharge, the screening mechanism 4 performs screening, and the adjustment mechanism 5 cooperates with the screening mechanism 4 to adjust the seed size;

[0024] The air separation mechanism 1 comprises an air separation box 11 and a fan 12, and the fan 12 is installed at the right end of the air separation box 11;

[0025] The slag discharge mechanism 3 includes a ventilation box 31 and a handle 32. The ventilation box 31 is slidably installed in the air separation box 11, and the handle 32 is installed at the left end of the ventilation box 31.

[0026] The screening mechanism 4 includes a screen 41, multiple groups of springs 42 and a vibration motor 43. The screen 41 is installed in the wind selection box 11 through the multiple groups of springs 42, and the vibration motor 43 is installed at the lower end of the screen 41;

[0027] The adjustment mechanism 5 includes a second screen 51 and a screw 52. The second screen 51 is slidably mounted on the upper end of the first screen 41. The screw 52 is rotatably mounted on the front end of the second screen 51. The screw 52 is threadedly matched with the first screen 41.

[0028] The screw 52 is rotated to threadably engage with the screen 1 41 to move the screen 2 51. While the screen 2 51 moves, the sieve holes on the screen 2 51 are misaligned with the sieve holes on the screen 1 41 to adjust the required seed size. The fan 12 is turned on to remove lighter impurities such as dust and seed coat in the seeds during the falling process, and the wind is discharged through the ventilation box 31, so that the impurities are driven by the seal to fall into the ventilation box 31. At the same time, the vibration motor 43 is turned on to vibrate the screen 1 41 so that the screen 1 41 cooperates with the spring 42 to screen the seeds. After the screening is completed, the impurities in the ventilation box 31 are dumped by pulling the handle 32, so that during the screening process of crop seeds, lighter impurities such as dust and seed coat in the seeds can be removed, and the required seed size can be adjusted.

[0029] Example 2

[0030] like Figures 1 to 5 As shown, it includes a wind selection mechanism 1, a feeding mechanism 2, a slag discharge mechanism 3, a screening mechanism 4 and an adjusting mechanism 5, wherein the feeding mechanism 2 is installed at the upper end of the wind selection mechanism 1, the slag discharge mechanism 3 is installed in the wind selection mechanism 1, the screening mechanism 4 is installed in the wind selection mechanism 1, and the adjusting mechanism 5 is installed on the screening mechanism 4;

[0031] The wind selection mechanism 1 performs wind selection, the feeding mechanism 2 performs feeding, the slag discharge mechanism 3 performs slag discharge, the screening mechanism 4 performs screening, and the adjustment mechanism 5 cooperates with the screening mechanism 4 to adjust the seed size;

[0032] The air separation mechanism 1 comprises an air separation box 11 and a fan 12, and the fan 12 is installed at the right end of the air separation box 11;

[0033] The feeding mechanism 2 includes a feeding box 21, a stirring shaft 22 and a motor 23. The feeding box 21 is installed at the upper end of the air separation box 11. The stirring shaft 22 is rotatably installed in the feeding box 21, and the input end of the stirring shaft 22 extends to the upper side of the feeding box 21. The motor 23 is installed at the upper end of the feeding box 21, and the output end of the motor 23 is connected to the input end of the stirring shaft 22.

[0034] The slag discharge mechanism 3 includes a ventilation box 31 and a handle 32. The ventilation box 31 is slidably installed in the air separation box 11, and the handle 32 is installed at the left end of the ventilation box 31.

[0035] The screening mechanism 4 includes a screen 41, multiple groups of springs 42 and a vibration motor 43. The screen 41 is installed in the wind selection box 11 through the multiple groups of springs 42, and the vibration motor 43 is installed at the lower end of the screen 41;

[0036] The motor 23 is turned on to drive the stirring shaft 22 so that the stirring shaft 22 rotates to stir the seeds, and the fan 12 is turned on to remove lighter impurities such as dust and seed coat in the seeds during the falling process, and the wind is discharged through the ventilation box 31, so that the impurities are driven by the seal to fall into the ventilation box 31, and at the same time, the vibration motor 43 is turned on to vibrate the screen 41 so that the screen 41 cooperates with the spring 42 to screen the seeds. After the screening is completed, the impurities in the ventilation box 31 are dumped by pulling the handle 32, so that during the screening process of crop seeds, lighter impurities such as dust and seed coat in the seeds can be removed, and the seed coat covering the seeds can also be peeled off.

[0037] like Figures 1 to 5 As shown, the utility model is a crop seed screening device, which, when working, moves the second screen 51 by rotating the screw 52 and threading it with the screen 1 41. When the second screen 51 moves, the sieve holes on the second screen 51 are misaligned with the sieve holes on the first screen 41 to adjust the required seed size, and the stirring shaft 22 is driven by turning on the motor 23 to rotate the stirring shaft 22 to stir and add the seeds, and the dust and seed coat and other lighter impurities in the seeds during the falling process are removed by turning on the fan 12, and the wind is discharged through the ventilation box 31, so that the impurities are driven by the seal to fall into the ventilation box 31, and the vibration motor 43 is turned on to vibrate the first screen 41 so that the first screen 41 cooperates with the spring 42 to screen the seeds, and after the screening is completed, the impurities in the ventilation box 31 are dumped by pulling the handle 32.

[0038] The fan 12, motor 23 and vibration motor 43 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in the field to make creative efforts.

[0039] The main functions realized by the utility model are: in the process of crop seed screening, by setting a feeding mechanism and an adjusting mechanism, lighter impurities such as dust and seed coat in the seeds can be removed, the seed coat covering the seeds can be peeled off, and the required seed size can be adjusted.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A crop seed screening device, comprising an air selection mechanism (1); characterized in that: It also comprises a feeding mechanism (2), a slag discharge mechanism (3), a screening mechanism (4) and an adjusting mechanism (5), wherein the feeding mechanism (2) is mounted on the upper end of the air separation mechanism (1), the slag discharge mechanism (3) is mounted inside the air separation mechanism (1), the screening mechanism (4) is mounted inside the air separation mechanism (1), and the adjusting mechanism (5) is mounted on the screening mechanism (4); The wind selection mechanism (1) performs wind selection, the feeding mechanism (2) performs feeding, the slag discharge mechanism (3) performs slag discharge, the screening mechanism (4) performs screening, and the adjustment mechanism (5) cooperates with the screening mechanism (4) to adjust the seed size; The screening mechanism (4) comprises a screen mesh (41), a plurality of groups of springs (42) and a vibration motor (43). The screen mesh (41) is installed in the air separation box (11) via the plurality of groups of springs (42), and the vibration motor (43) is installed at the lower end of the screen mesh (41).

2. A crop seed screening device as claimed in claim 1, characterized in that: The air separation mechanism (1) comprises an air separation box (11) and a fan (12), wherein the fan (12) is installed at the right end of the air separation box (11).

3. A crop seed screening device as claimed in claim 2, characterized in that: The feeding mechanism (2) comprises a feeding box (21), a stirring shaft (22) and a motor (23); the feeding box (21) is mounted on the air separation box (11); the stirring shaft (22) is rotatably mounted in the feeding box (21); the input end of the stirring shaft (22) extends to the upper side of the feeding box (21); the motor (23) is mounted on the upper end of the feeding box (21); and the output end of the motor (23) is connected to the input end of the stirring shaft (22).

4. The crop seed screening device according to claim 2, characterized in that: The slag discharge mechanism (3) comprises a ventilation box (31) and a handle (32). The ventilation box (31) is slidably installed in the air separation box (11), and the handle (32) is installed at the left end of the ventilation box (31).

5. The crop seed screening device according to claim 1, characterized in that: The adjustment mechanism (5) comprises a second screen (51) and a screw (52). The second screen (51) is slidably mounted on the upper end of the first screen (41). The screw (52) is rotatably mounted on the front end of the second screen (51). The screw (52) is threadably matched with the first screen (41).

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