Blowing type impurity removal equipment for melon seed production
By using a blower-type impurity removal device for sunflower seed production, which utilizes a structure including a blower, a collection box, and a scraper, sunflower seeds are separated and collected multiple times from light impurities. This solves the problem of insufficient separation in traditional methods and improves the efficiency and effectiveness of impurity removal.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAYANNAOER LEHE AGRI PROD PURCHASE & SALES CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-28
AI Technical Summary
In traditional wind-powered sorting methods, sunflower seeds are not sufficiently separated from light impurities, resulting in low impurity removal efficiency, especially for impurities with similar densities.
The equipment used in sunflower seed production employs a blower-type impurity removal system, which combines a blower, a collection box, an air outlet filter plate, a scraper, and a lifting mechanism. Through multiple lifting and air blowing, the sunflower seeds are fully separated and collected from light impurities.
It significantly improves the separation effect of light impurities, ensures more thorough removal of impurities from sunflower seeds, prevents impurities from clogging the air outlet filter plate, and facilitates the collection of impurities, thereby improving the impurity removal efficiency.
Smart Images

Figure CN224168008U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of impurity removal equipment technology, specifically a blower-type impurity removal device for sunflower seed production. Background Technology
[0002] As a popular snack, the impurity removal process during the processing of sunflower seeds directly affects the quality and safety of the final product. During the harvesting, transportation, and storage of raw sunflower seeds, impurities such as dust, broken shells, straw, and sand inevitably get mixed in. Lighter impurities (such as dust and broken shells) are particularly difficult to separate due to their similar density to sunflower seeds. These impurities not only affect the appearance of the sunflower seeds but may also carry microorganisms or harmful substances, posing a potential risk to food safety.
[0003] Currently, during the production and processing of sunflower seeds, raw sunflower seeds are often mixed with light impurities such as dust, broken shells, and straw. Traditional impurity removal equipment mainly uses airflow separation, relying on the airflow to blow away light impurities as the sunflower seeds fall freely. However, this method has significant drawbacks: due to the short and rapid falling process of the sunflower seeds, the light impurities are not fully separated from the seeds, resulting in low impurity removal efficiency, especially for impurities with a density similar to that of sunflower seeds.
[0004] Therefore, a blower-type impurity removal device for sunflower seed production is proposed. Utility Model Content
[0005] The purpose of this utility model is to provide a blower-type sunflower seed production impurity removal 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 blower-type sunflower seed production impurity removal device, including an impurity removal box, an impurity removal mechanism and a lifting mechanism installed on the impurity removal box, the impurity removal mechanism including a fan installed on one side of the impurity removal box, a collection box installed on the side of the impurity removal box opposite to the fan, a cleaning mechanism and an impurity collection mechanism installed inside the collection box, and an air outlet filter plate installed on the collection box, the air outlet filter plate corresponding to the position of the fan;
[0007] The cleaning mechanism includes two sets of positioning blocks, both of which are installed on the inner wall of the collection box. Guide rods are installed on both sets of positioning blocks, and scrapers are slidably installed on the two guide rods. Brushes are installed on the scrapers and the brushes are in contact with the air outlet filter plate.
[0008] The pop-up mechanism includes multiple receiving plate return springs. One end of each receiving plate return spring is fixedly installed on the bottom inner wall of the impurity removal box, and a receiving plate is fixedly installed on the other end of each receiving plate return spring. The receiving plate is slidably installed on the inner wall of the impurity removal box.
[0009] Preferably, a rotating shaft is rotatably mounted on the inner wall of the collection box, and multiple fan blades are installed on the rotating shaft at equal intervals in a ring, each fan blade being adapted to a fan.
[0010] Preferably, an extension plate is installed on each of the two corresponding fan blades, and an adapter plate is installed on the scraper, with both extension plates in contact with the adapter plate.
[0011] Preferably, a scraper return spring is sleeved on the guide rod, with one end of the scraper return spring mounted on the positioning block at the top and the other end mounted on the scraper.
[0012] Preferably, the collection mechanism includes a collection drawer, which is slidably mounted on a collection box. A locking rod is rotatably mounted on the outer surface of the collection box, and the locking rod is in contact with the outer surface of the collection box.
[0013] Preferably, a rotating shaft is rotatably mounted on the inner wall of the impurity removal box, and two drive plates are symmetrically fixedly mounted on the rotating shaft in a ring. An L-shaped plate is fixedly mounted on the bottom side of the receiving plate, and the drive plates can contact the L-shaped plate.
[0014] Preferably, a motor frame is fixedly installed on the outer surface of the impurity removal box, and a servo motor is fixedly installed on the motor frame by bolts. The output shaft of the servo motor is connected to one end of the rotating shaft.
[0015] Preferably, the spring detection mechanism includes a distance sensor mounted on the scraper, and an intelligent control module is installed on the collection box. The intelligent control module and the distance sensor transmit data through an electrical signal in a cable, wherein the cable is a shielded twisted pair.
[0016] Preferably, the collection box is equipped with a warning light, and the warning light and the intelligent control module transmit data through an electrical signal in a cable, wherein the cable is a shielded twisted pair.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] (1) This utility model, through the setting of a fan, a collection box, an air outlet filter plate, a scraper collection mechanism, etc., when sunflower seeds are put into the feed port on the impurity removal box, the fan blows air onto the sunflower seeds, so that the impurities mixed in the sunflower seeds can be conveniently blown into the collection box. Then, the scraper scrapes up and down to remove the impurities adsorbed on the air outlet filter plate. The scraped impurities fall into the collection mechanism for collection, which is convenient for collecting impurities and can effectively prevent impurities from clogging the air outlet filter plate.
[0019] (2) In this utility model, by setting a spring-loaded mechanism consisting of a receiving plate and a return spring, the receiving plate can achieve periodic reciprocating sliding in the impurity removal box. This structure allows the sunflower seeds on the receiving plate to be repeatedly lifted and dropped. During this process, the sunflower seeds are fully separated from the light impurities. Compared with the traditional method of removing impurities by wind power when the sunflower seeds fall once, this utility model significantly prolongs the impurity separation time by lifting the sunflower seeds multiple times, so that the light impurities can be more fully removed from the sunflower seeds. At the same time, with the continuous airflow of the fan, these removed light impurities can be effectively blown into the collection box, thereby achieving a more thorough impurity removal effect and solving the technical problem that the light impurities are not completely removed due to the excessive speed of the sunflower seeds falling in the traditional method. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0021] Figure 2 This is a side view of the structure of this utility model;
[0022] Figure 3 This is a schematic diagram of the internal structure of the impurity removal box and the collection box of this utility model;
[0023] Figure 4 This is a schematic diagram of the connection structure of the rotating shaft, extension plate and scraper of this utility model;
[0024] In the diagram: 1. Impurity removal box; 2. Fan; 21. Collection box; 22. Air outlet filter plate; 3. Positioning block; 31. Guide rod; 32. Scraper; 33. Rotating shaft; 34. Fan blade; 35. Extension plate; 36. Adapter plate; 37. Scraper return spring; 4. Impurity collection drawer; 41. Locking rod; 5. Receiving plate return spring; 51. Receiving plate; 52. Rotating shaft; 53. Drive plate; 54. L-shaped plate; 55. Motor frame; 56. Servo motor; 6. Distance sensor; 61. Intelligent control module; 62. Warning light. Detailed Implementation
[0025] 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.
[0026] Example: Please refer to Figure 1-4This utility model provides a technical solution: a blower-type sunflower seed production impurity removal device, including an impurity removal box 1, an impurity removal mechanism and a lifting mechanism installed on the impurity removal box 1, the impurity removal mechanism including a fan 2, the fan 2 is installed on one side of the impurity removal box 1, a collection box 21 is fixedly installed on the side of the impurity removal box 1 opposite to the fan 2, a cleaning mechanism and an impurity collection mechanism are installed inside the collection box 21, the impurity collection mechanism is located below the cleaning mechanism, an air outlet filter plate 22 is fixedly installed on the collection box 21, the air outlet filter plate 22 is positioned corresponding to the fan 2, the fan 2 blows air into the impurity removal box 1, and then sunflower seeds containing impurities are put into the impurity removal box 1 from the feed port on the impurity removal box 1. During the falling process of the sunflower seeds, some impurities can be blown away by the air blown out by the fan 2. Since the collection box 21 is provided with an air outlet filter plate 22, the impurities blown out from the sunflower seeds can be blown into the collection box 21.
[0027] Furthermore, the cleaning mechanism includes two sets of positioning blocks 3, both of which are fixedly installed on the inner wall of the collection box 21. A guide rod 31 is fixedly installed on each of the two sets of positioning blocks 3, and a scraper 32 is slidably installed on each of the two guide rods 31. Bristles are installed on the scraper 32, and the bristles contact the air outlet filter plate 22. A rotating shaft 33 is rotatably installed on the inner wall of the collection box 21. Multiple fan blades 34 are fixedly installed on the rotating shaft 33 at equal intervals in a ring. The positions of the multiple fan blades 34 correspond to the fan 2. An extension plate 35 is fixedly installed on each of the two opposing fan blades 34. A transition plate 36 is fixedly installed on the scraper 32, and both extension plates 35 can contact the transition plate 36. A scraper return spring 37 is sleeved on the guide rod 31, and one end of the scraper return spring 37 is... The other end of the scraper return spring 37 is installed on the scraper 32 on the positioning block 3 at the top. When the wind blows the impurities into the collection box 21 on the left, the wind drives the fan blade 34 on the rotating shaft 33 to rotate. The fan blade 34 drives the extension plate 35 to rotate. The extension plate 35 drives the scraper 32 on the guide rod 31 to move from the upper side to the lower side of the air outlet filter plate 22. When the scraper 32 moves downward, the scraper 32 drives the scraper return spring 37 on the guide rod 31 to be stretched. When the extension plate 35 moves away from the adapter plate 36 on the scraper 32, the elastic restoring force of the scraper return spring 37 drives the scraper 32 to move upward from the bottom side of the air outlet filter plate 22. This can conveniently remove the impurities adsorbed on the air outlet filter plate 22, and at the same time effectively avoid directly discharging the impurities into the air and causing environmental pollution.
[0028] Furthermore, the impurity collection mechanism includes an impurity collection drawer 4, which is slidably installed inside the collection box 21. Impurities blown into the collection box 21 by the wind and impurities scraped off by the scraper 32 can fall into the impurity collection drawer 4. A locking rod 41 is rotatably installed on the outer surface of the collection box 21. The locking rod 41 can contact the outer surface of the collection box 21. Before removing impurities from the sunflower seeds, the impurity collection drawer 4 is inserted into the collection box 21. Then, the locking rod 41 is rotated to contact the outer surface of the collection box 21, thereby fixing the impurity collection drawer 4. After the impurities are collected in the impurity collection drawer 4, the locking rod 41 can be manually moved to disengage it from the impurity collection drawer 4, and the impurities collected in the impurity collection drawer 4 can be poured out.
[0029] Furthermore, the spring-loaded mechanism includes multiple support plate return springs 5. One end of each support plate return spring 5 is fixedly installed on the bottom inner wall of the impurity removal box 1, and a support plate 51 is fixedly installed on the other end of each support plate return spring 5. The support plate 51 is slidably installed on the inner wall of the impurity removal box 1. A rotating shaft 52 is rotatably installed on the inner wall of the impurity removal box 1. Two drive plates 53 are symmetrically fixedly installed on the rotating shaft 52. An L-shaped plate 54 is fixedly installed on the bottom side of the support plate 51, and the drive plate 53 can contact the L-shaped plate 54. A motor frame 55 is fixedly installed on the outer surface of the impurity removal box 1. A servo motor 56 is fixedly installed on the motor frame 55 by bolts. The output shaft of the servo motor 56 is connected to the rotating shaft 52. One end is connected, and the servo motor 56 drives the rotating shaft 52 to rotate. The rotating shaft 52 drives the drive plate 53 to rotate. The drive plate 53 intermittently contacts the L-shaped plate 54 on the bottom side of the receiving plate 51, causing the receiving plate 51 on the L-shaped plate 54 to move downward. The receiving plate 51 causes the receiving plate return spring 5 to compress downward. When the drive plate 53 rotates to the point of disengaging from the L-shaped plate 54, the elastic restoring force of the receiving plate return spring 5 causes the receiving plate 51 to bounce upward, so that the sunflower seeds on the receiving plate 51 are repeatedly lifted and dropped. During the repeated lifting and dropping of the sunflower seeds, the impurities, including light impurities, that are separated from the sunflower seeds are blown into the collection box by the fan, thereby effectively separating and thoroughly removing the light impurities in the sunflower seeds.
[0030] Furthermore, the spring detection mechanism includes a distance sensor 6, which is fixedly mounted on the scraper 32; the collection box 21 is equipped with an intelligent control module 61 and a warning light 62, and the intelligent control module 61 is communicatively connected to both the distance sensor 6 and the warning light 62; wherein, the intelligent control module 61 transmits electrical signals to the distance sensor 6 and the warning light 62 via cables. The distance sensor is a commonly used sensor that detects the position of a target object by measuring the distance between the sensor and the target object. In this embodiment, the distance sensor 6 is a conventional model distance sensor, and the cable is a shielded twisted pair cable.
[0031] When using a spring detection mechanism for testing, the distance sensor 6 detects the initial position of the scraper return spring 37 after its first stretch and stores the distance data corresponding to that position as a standard value in the intelligent control module 61. At this time, the intelligent control module 61 controls the warning light 62 to display a green light signal, indicating that the spring is in normal condition. During equipment operation, the distance sensor 6 continuously monitors the recovery position of the scraper return spring 37 after each stretch and transmits the real-time distance data to the intelligent control module 61. The intelligent control module 61 compares the real-time distance data with the stored standard value. If the distance data of the recovery position is detected to be lower than the standard value multiple times in a row, it is determined that the scraper return spring 37 has elastic decay. When the spring elastic decay is determined, the intelligent control module 61 controls the warning light 62 to switch to a red light signal to prompt the staff to replace the scraper return spring 37 in time.
[0032] The working principle is as follows: When removing impurities from sunflower seeds, before removing impurities from the sunflower seeds, first insert the impurity collection drawer 4 into the collection box 21, and then use the rotating locking rod 41 to make it contact the outer surface of the collection box 21, thereby fixing the impurity collection drawer 4. Then turn on the switch on the blower 2 and use the blower 2 to blow air into the impurity removal box 1. Then put the sunflower seeds containing impurities into the impurity removal box 1 from the feed port on the impurity removal box 1. During the process of the sunflower seeds falling, some impurities can be blown away by the wind.
[0033] When the wind carries the impurities into the collection box 21 on the left, the wind drives the fan blades 34 on the rotating shaft 33 to rotate. The fan blades 34 drive the extension plate 35 to rotate. The extension plate 35 drives the scraper 32 on the guide rod 31 to move from the upper side to the lower side of the air outlet filter plate 22. When the scraper 32 moves downward, the scraper 32 drives the scraper return spring 37 on the guide rod 31 to be stretched. When the extension plate 35 moves away from the adapter plate 36 on the scraper 32, the elastic restoring force of the scraper return spring 37 drives the scraper 32 to move upward from the bottom side of the air outlet filter plate 22. This can conveniently remove the impurities adsorbed on the air outlet filter plate 22 and also scrape the impurities into the collection drawer 4.
[0034] When using a spring detection mechanism for testing, the distance sensor 6 detects the initial position of the scraper return spring 37 after its first stretch and stores the distance data corresponding to that position as a standard value in the intelligent control module 61. At this time, the intelligent control module 61 controls the warning light 62 to display a green light signal, indicating that the spring is in normal condition. During equipment operation, the distance sensor 6 continuously monitors the recovery position of the scraper return spring 37 after each stretch and transmits the real-time distance data to the intelligent control module 61. The intelligent control module 61 compares the real-time distance data with the stored standard value. If the distance data of the recovery position is detected to be lower than the standard value multiple times in a row, it is determined that the scraper return spring 37 has elastic decay. When the spring elastic decay is determined, the intelligent control module 61 controls the warning light 62 to switch to a red light signal to prompt the staff to replace the scraper return spring 37 in time.
[0035] After the sunflower seeds have completely fallen onto the receiving plate 51, the switch of the servo motor 56 on the motor frame 55 is turned on. The servo motor 56 drives the rotating shaft 52 to rotate, and the rotating shaft 52 drives the drive plate 53 to rotate. The drive plate 53 intermittently contacts the L-shaped plate 54 on the bottom side of the receiving plate 51, causing the receiving plate 51 on the L-shaped plate 54 to move downward. The receiving plate 51 causes the receiving plate return spring 5 to compress downward. When the drive plate 53 rotates to the point of disengaging from the L-shaped plate 54, the elastic restoring force of the receiving plate return spring 5 causes the receiving plate 51 to bounce upward, so that the sunflower seeds on the receiving plate 51 are repeatedly lifted and fallen. During the repeated lifting and falling of the sunflower seeds, the impurities, including light impurities, that are separated from the sunflower seeds are blown into the collection box by the fan, thereby effectively separating and thoroughly removing the light impurities in the sunflower seeds.
[0036] After collecting all the impurities in the collection drawer 4, simply manually move the locking lever 41 to disengage it from the collection drawer 4, and you can remove the collection drawer 4 from the collection box 21 and empty the impurities collected in the collection drawer 4.
[0037] 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 blower-type sunflower seed production impurity removal device, comprising an impurity removal box (1), characterized in that: The impurity removal box (1) is equipped with an impurity removal mechanism and a spring-loaded mechanism. The impurity removal mechanism includes a fan (2), which is installed on one side of the impurity removal box (1). A collection box (21) is installed on the side of the impurity removal box (1) opposite to the fan (2). A cleaning mechanism, an impurity collection mechanism, and a spring detection mechanism are installed inside the collection box (21). An air outlet filter plate (22) is installed on the collection box (21), and the air outlet filter plate (22) is positioned corresponding to the fan (2). The cleaning mechanism includes two sets of positioning blocks (3), both sets of positioning blocks (3) are installed on the inner wall of the collection box (21), both sets of positioning blocks (3) are equipped with guide rods (31), scrapers (32) are slidably installed on the two guide rods (31), and brush bristles are installed on the scrapers (32), the brush bristles are in contact with the air filter plate (22); The pop-up mechanism includes multiple receiving plate return springs (5). One end of each of the multiple receiving plate return springs (5) is fixedly installed on the bottom inner wall of the impurity removal box (1). A receiving plate (51) is fixedly installed on the other end of each of the multiple receiving plate return springs (5). The receiving plate (51) is slidably installed on the inner wall of the impurity removal box (1).
2. The air-blowing type sunflower seed production impurity removal equipment according to claim 1, characterized in that: A rotating shaft (33) is rotatably installed on the inner wall of the collection box (21). Multiple fan blades (34) are installed on the rotating shaft (33) at equal intervals in a ring. All fan blades (34) are adapted to the fan (2).
3. The air-blowing type sunflower seed production impurity removal equipment according to claim 2, characterized in that: An extension plate (35) is installed on each of the two corresponding fan blades (34), and an adapter plate (36) is installed on the scraper (32). Both extension plates (35) are in contact with the adapter plate (36).
4. The air-blowing type sunflower seed production impurity removal equipment according to claim 1, characterized in that: A scraper return spring (37) is sleeved on the guide rod (31). One end of the scraper return spring (37) is installed on the positioning block (3) at the top, and the other end of the scraper return spring (37) is installed on the scraper (32).
5. The air-blowing type sunflower seed production impurity removal equipment according to claim 1, characterized in that: The collection mechanism includes a collection drawer (4), which is slidably mounted on a collection box (21). A locking rod (41) is rotatably mounted on the outer surface of the collection box (21), and the locking rod (41) is in contact with the outer surface of the collection box (21).
6. The air-blowing type sunflower seed production impurity removal equipment according to claim 1, characterized in that: A rotating shaft (52) is rotatably installed on the inner wall of the impurity removal box (1). Two drive plates (53) are fixedly installed in a ring symmetrically on the rotating shaft (52). An L-shaped plate (54) is fixedly installed on the bottom side of the receiving plate (51). The drive plate (53) can contact the L-shaped plate (54).
7. The air-blowing type sunflower seed production impurity removal equipment according to claim 6, characterized in that: A motor frame (55) is fixedly installed on the outer surface of the cleaning box (1). A servo motor (56) is fixedly installed on the motor frame (55) by bolts. The output shaft of the servo motor (56) is connected to one end of the rotating shaft (52).
8. The air-blowing type sunflower seed production impurity removal equipment according to claim 1, characterized in that: The spring detection mechanism includes a distance sensor (6), which is mounted on the scraper (32). The collection box (21) is equipped with an intelligent control module (61). The intelligent control module (61) and the distance sensor (6) transmit data through electrical signals in a cable, wherein the cable is a shielded twisted pair.
9. A blower-type impurity removal device for sunflower seed production according to claim 8, characterized in that: The collection box (21) is equipped with a warning light (62), and the warning light (62) and the intelligent control module (61) transmit data through electrical signals in the cable, wherein the cable is a shielded twisted pair.