A rapeseed cleaning device
By designing a detachable impurity removal frame and an inclined screen structure, the problems of easy screen clogging and impurity accumulation were solved, achieving efficient cleaning and grading of rapeseed.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN LIANGJI MASCH MFG CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-14
Smart Images

Figure CN224486698U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rapeseed impurity removal technology, specifically a rapeseed impurity removal device. Background Technology
[0002] Rapeseed is the seed of the cruciferous crop rapeseed, and is one of China's major oilseed crops, widely used for extracting edible oil and industrial applications. To ensure the quality of rapeseed oil, it is necessary to remove impurities from the rapeseed before it enters the oil extraction process, preventing contamination from broken leaves, rapeseed hulls, and other impurities.
[0003] A Chinese patent, CN222739651U, describes a rapeseed impurity removal device that includes: "a vibrating screen and a base plate fixed to the bottom of the vibrating screen. The top of the vibrating screen is provided with a top cover, and a feed hopper is provided on the top of the top cover. A dust suppression component connected to the top cover is provided on the top of the base plate and on one side of the vibrating screen. The dust suppression component includes a dust collection box, a fan, a negative pressure pipe, a conveying pipe, and an extraction pipe. The dust collection box is fixed to the top of the base plate and located on one side of the vibrating screen." On one side of the vibrating screen, the blower is fixed to the top of the dust collection box. The negative pressure pipe and the conveying pipe both extend from the top of the dust collection box, and the other end of the negative pressure pipe is connected to the input end of the blower. In this rapeseed impurity removal equipment, the blower is started before the rapeseed is poured. After the blower is running, negative pressure is generated in the secondary screen through the negative pressure pipe, dust collection box, conveying pipe and exhaust pipe. When the rapeseed is poured, the dust stirred up by the rapeseed during the fall is sucked away by the exhaust pipe, thereby effectively suppressing the formation of dust from fine impurities.
[0004] Through a search of the aforementioned patents, we found that the device still has certain defects in use. Since the screens in the primary and secondary sieves are built into the device, they are not easy to disassemble. After the device has been used for a long time, some stubborn impurities may get stuck in the mesh of the screen, causing the mesh to become clogged and affecting subsequent use. At the same time, the above technology is not convenient for quickly cleaning up impurities such as broken leaves and rapeseed hulls that are screened out during the impurity removal process, which can easily cause impurities to accumulate on the screen and hinder the normal falling of rapeseed. Utility Model Content
[0005] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a rapeseed impurity removal device, comprising a support frame and an impurity removal box. The impurity removal box is located on the top of the support frame. Two openings are provided on the right side of the impurity removal box. An impurity removal frame one, placed inside the impurity removal box, is fixed in the opening located at the higher position on the right side of the impurity removal box by hand-tightening bolts. An impurity removal frame two, also placed inside the impurity removal box, is fixed in the opening located at the lower position on the right side of the impurity removal box by hand-tightening bolts. Screens are fixed to the inner bottom walls of both impurity removal frame one and impurity removal frame two, and a dispersing block is fixed to the top of each screen. The right sides of both impurity removal frame one and impurity removal frame two protrude outside the impurity removal box, and a flat plate is fixed to the inner bottom wall of the right side of impurity removal frame one and impurity removal frame two.
[0007] As a further embodiment of this utility model: Limiting blocks 1 are fixed on both the front and rear sides of the first impurity removal frame, and limiting blocks 2 are fixed on both the front and rear sides of the second impurity removal frame. Each limiting block 1 and limiting block 2 is provided with a threaded hole. Limiting groove 1 is provided on both the front and rear sides of the inner wall of the impurity removal box near the top, and limiting groove 2 is provided on both the front and rear sides of the inner wall of the impurity removal box near the bottom. The limiting block 1 is slidably connected in the limiting groove 1, and the limiting block 2 is slidably connected in the limiting groove 2.
[0008] As a further embodiment of this utility model: positioning blocks are fixed on the left side of both the first and second impurity removal frames, and two positioning grooves are opened on the left side of the inner wall of the impurity removal box. The two positioning blocks are respectively inserted into the two positioning grooves. Hand-tightening bolts are threaded through the front and back of the impurity removal box at the positions corresponding to each threaded hole, and the hand-tightening bolts are threaded into the threaded holes.
[0009] As a further embodiment of this utility model: multiple dispersion blocks are fixed to the top of each of the two screens, and the multiple dispersion blocks are staggered among each other, and the dispersion blocks are designed as triangular blocks.
[0010] As a further embodiment of this utility model: both the first impurity removal frame and the second impurity removal frame are designed as inclined structures, and the left side of both the first impurity removal frame and the second impurity removal frame is higher than the right side. The aperture of the screen inside the first impurity removal frame is larger than the aperture of the screen inside the second impurity removal frame.
[0011] As a further embodiment of this utility model: a second baffle plate is fixed to the top of the impurity removal box, a feeding hopper is fixed to the left side of the baffle plate and fixedly connected to the left side of the top of the impurity removal box, and a first baffle plate is fixed to the bottom right side of the feeding hopper and attached to the top of the first impurity removal frame.
[0012] As a further embodiment of this utility model: the impurity removal box is mounted on the top of the support frame by four spring members, a vibration motor is also installed on the side of the impurity removal box, and a receiving frame is also provided at the bottom of the support frame and at the bottom outlet of the impurity removal box.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] I. In this application, through the design of the impurity removal box, impurity removal frame one, impurity removal frame two, and hand-tightening bolts, after loosening the hand-tightening bolts, the impurity removal frame one or impurity removal frame two that needs to be cleaned can be easily pulled out directly from the side of the impurity removal box. Impurity removal frame one and impurity removal frame two do not affect each other, so as to achieve the effect of quickly cleaning any screen. This method is simpler and more convenient to operate, with fewer disassembly and assembly steps, and is more conducive to use.
[0015] Second, in this application, through the designed structures of impurity removal frame one, impurity removal frame two, screen and plate, since impurity removal frame one and impurity removal frame two are both designed to be inclined, when screening rapeseed for impurity removal, the impurities will remain on the top of the screen. With the vibration and inclination of impurity removal frame one and impurity removal frame two, the impurities will gradually slide and come to the plate. Since the plate is located outside the impurity removal box, it is convenient for the staff to quickly clean the impurities on the plate when the device is working, thereby avoiding the accumulation of impurities on the screen and plate, and ensuring the normal operation of the screen. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;
[0017] Figure 2 This is a cross-sectional structural schematic diagram of the impurity removal box of this utility model;
[0018] Figure 3 This is a utility model Figure 2 Enlarged structural diagram at point A in the diagram;
[0019] Figure 4 This is a three-dimensional structural diagram of the impurity removal frame of this utility model.
[0020] The reference numerals and names in the figure are as follows:
[0021] 1. Support frame; 2. Spring components; 3. Impurity removal box; 4. Opening; 5. Vibrating motor; 6. Feed hopper; 601. Baffle plate one; 7. Baffle plate two; 8. Impurity removal frame one; 9. Impurity removal frame two; 10. Hand-tightening bolt; 11. Receiving frame; 12. Screen; 13. Dispersing block; 14. Limiting block one; 15. Threaded hole; 16. Positioning groove; 17. Positioning block; 18. Flat plate. 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 A rapeseed impurity removal device includes a support frame 1 and an impurity removal box 3. The impurity removal box 3 is located on top of the support frame 1 and is mounted on top of the support frame 1 by four spring members 2. A vibration motor 5 is also installed on the side of the impurity removal box 3. A receiving frame 11 is also provided at the bottom of the support frame 1 and at the bottom discharge port of the impurity removal box 3. Two openings 4 are opened on the right side of the impurity removal box 3. An impurity removal frame 8 placed inside the impurity removal box 3 is fixed in the opening 4 located at the higher position on the right side of the impurity removal box 3 by a hand-tightened bolt 10. The opening 4 located at the lower position on the right side of the impurity removal box 3 is also fixed in the opening 4 by a hand-tightened bolt 10. A second impurity removal frame 9 is fixed inside the impurity removal box 3; a screen 12 is fixed to the inner bottom wall of both the first impurity removal frame 8 and the second impurity removal frame 9, and a dispersing block 13 is fixed to the top of each screen 12; the right sides of both the first impurity removal frame 8 and the second impurity removal frame 9 protrude outside the impurity removal box 3, and a flat plate 18 is fixed to the inner bottom wall of the right side of the first impurity removal frame 8 and the second impurity removal frame 9; a second baffle plate 7 is fixed to the top of the impurity removal box 3; a feed hopper 6 is fixed to the left side of the second baffle plate 7 and is fixedly connected to the left side of the top of the impurity removal box 3; a first baffle plate 601 is fixed to the bottom right side of the feed hopper 6 and is attached to the top of the frame of the first impurity removal frame 8.
[0024] Please see Figure 3 and Figure 4 In this embodiment, limit blocks 14 are fixed on both the front and rear sides of the first impurity removal frame 8, and limit blocks 2 are fixed on both the front and rear sides of the second impurity removal frame 9. Each limit block 14 and limit block 2 is provided with a threaded hole 15. Limit groove 1 is provided on both the front and rear sides of the inner wall of the impurity removal box 3 near the top, and limit groove 2 is provided on both the front and rear sides of the inner wall of the impurity removal box 3 near the bottom. Limit block 14 is slidably connected in limit groove 1, and limit block 2 is slidably connected in limit groove 2. Positioning blocks 17 are fixed on the left side of both the first impurity removal frame 8 and the second impurity removal frame 9. Two positioning grooves 16 are provided on the left side of the inner wall of the impurity removal box 3. The two positioning blocks 17 are respectively inserted into the two positioning grooves 16. Hand-tightening bolts 10 are threaded through the front and back of the impurity removal box 3 at the positions corresponding to each threaded hole 15. The hand-tightening bolts 10 are threadedly connected to the threaded holes 15.
[0025] Specifically, the inclined shape of the limiting groove one and limiting groove two causes the impurity removal frame one 8 and impurity removal frame two 9 to also be inclined, thus facilitating the movement of rapeseed and impurities from a higher to a lower position. During this movement, the rapeseed falls through the mesh of the screen 12, while the impurities are intercepted by the screen 12 and fall onto the plate 18. Simultaneously, when the impurity removal frame one 8 and impurity removal frame two 9 are inserted and removed, the limiting block one 14 and limiting block two are slidably connected in the limiting groove one and limiting groove two, respectively, ensuring that the impurity removal frame one 8 and impurity removal frame two 9 maintain their guiding properties during sliding. And to maintain stability, both the left side of the first impurity removal frame 8 and the second impurity removal frame 9 are fixed with positioning blocks 17, which can be used to position and support the first impurity removal frame 8 and the second impurity removal frame 9 after the positioning blocks 17 enter the positioning groove 16, which can further improve the stability of the first impurity removal frame 8 and the second impurity removal frame 9. Since the first limit block 14 and the second limit block 2 are both provided with threaded holes 15, and with the corresponding hand-tightening bolts 10, the first impurity removal frame 8 and the second impurity removal frame 9 can be easily fixed and unlocked. When fixed, they remain stable, and when unlocked, they are easy to pull out.
[0026] Please see Figure 2 and Figure 4 In this embodiment, multiple dispersion blocks 13 are fixed to the top of each of the two screens 12, and the multiple dispersion blocks 13 are staggered and designed as triangular blocks.
[0027] Specifically, multiple staggered triangular dispersion blocks 13 are set on the screen 12, which can continuously disperse the accumulated rapeseed as it passes through, thereby improving the uniformity of the rapeseed distribution on the screen 12 and better removing impurities from the rapeseed.
[0028] Please see Figure 1 and Figure 2 In this embodiment, both the first impurity removal frame 8 and the second impurity removal frame 9 are designed as inclined structures, and the left side of both the first impurity removal frame 8 and the second impurity removal frame 9 is higher than the right side. The aperture of the screen 12 inside the first impurity removal frame 8 is larger than the aperture of the screen 12 inside the second impurity removal frame 9.
[0029] Specifically, the left side of both the first impurity removal frame 8 and the second impurity removal frame 9 is higher than the right side, which allows the rapeseed to slide from the left side to the right side of the first impurity removal frame 8 and the second impurity removal frame 9 after falling from the feed hopper 6, and to remove impurities from the rapeseed during the sliding process. The aperture of the screen 12 inside the first impurity removal frame 8 is larger than that inside the second impurity removal frame 9, so that the first impurity removal frame 8 can intercept larger impurities, and the second impurity removal frame 9 can intercept smaller impurities.
[0030] In use: The rapeseed that needs to be cleaned is fed into the cleaning box 3 from the feed hopper 6 and falls onto the cleaning frame 8. When the cleaning box 3 vibrates, it causes the cleaning frames 8 and 9 to vibrate. The screen 12 inside the cleaning frame 8 cleans the rapeseed for the first time. Large impurities are intercepted and gradually slide onto the plate 18 of the cleaning frame 8. Smaller impurities fall onto the cleaning frame 9 with the rapeseed. The screen 12 inside the cleaning frame 9 cleans the rapeseed for the second time, and the smaller impurities are intercepted again. The smaller impurities gradually slide onto the plate 18 of the cleaning frame 9. The rapeseed after being cleaned by the cleaning frame 9 falls directly into the collection box 11 for collection.
[0031] When the device is working, impurities will be slowly collected on the plate 18 of the first impurity removal frame 8 and the plate 18 of the second impurity removal frame 9. Therefore, the staff can directly clean the impurities on the two plates 18 from the outside of the impurity removal box 3, which facilitates the continuous entry of impurities.
[0032] When it is necessary to clean the first impurity frame 8 or the second impurity frame 9, the worker can directly loosen the corresponding hand-tightening bolt 10, and then pull out the first impurity frame 8 or the second impurity frame 9 from the impurity removal box 3 to clean the screen 12 on the first impurity frame 8 or the second impurity frame 9, removing the rapeseed or impurities clogging the screen 12 mesh. After cleaning, the first impurity frame 8 or the second impurity frame 9 is reinserted into the impurity removal box 3, and the hand-tightening bolt 10 is tightened to enter the threaded hole 15 to fix the first impurity frame 8 or the second impurity frame 9.
[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A rapeseed impurity removal device, comprising a support frame (1) and an impurity removal box (3), characterized in that, The impurity removal box (3) is set on the top of the support frame (1). Two openings (4) are opened on the right side of the impurity removal box (3). The first impurity removal frame (8) is fixed inside the impurity removal box (3) by a hand-tightened bolt (10) in the opening (4) at the high position on the right side of the impurity removal box (3). The second impurity removal frame (9) is also fixed inside the impurity removal box (3) by a hand-tightened bolt (10) in the opening (4) at the low position on the right side of the impurity removal box (3). The inner bottom walls of the first impurity removal frame (8) and the second impurity removal frame (9) are both fixed with screens (12), and the top of each screen (12) is fixed with a dispersing block (13). The right sides of the first impurity removal frame (8) and the second impurity removal frame (9) both protrude outside the impurity removal box (3), and a flat plate (18) is fixed to the inner bottom wall of the right side of the first impurity removal frame (8) and the second impurity removal frame (9).
2. The rapeseed impurity removal device according to claim 1, characterized in that, Limiting blocks 1 (14) are fixed on both the front and rear sides of the first impurity removal frame (8), and limiting blocks 2 are fixed on both the front and rear sides of the second impurity removal frame (9). Each limiting block 1 (14) and limiting block 2 is provided with a threaded hole (15). Limiting groove 1 is provided on both the front and rear sides of the inner wall of the impurity removal box (3) near the top. Limiting groove 2 is provided on both the front and rear sides of the inner wall of the impurity removal box (3) near the bottom. Limiting block 1 (14) is slidably connected in limiting groove 1, and limiting block 2 is slidably connected in limiting groove 2.
3. The rapeseed impurity removal device according to claim 1, characterized in that, Positioning blocks (17) are fixed on the left side of both the first (8) and the second (9) impurity removal frame. Two positioning slots (16) are opened on the left side of the inner wall of the impurity removal box (3). The two positioning blocks (17) are respectively inserted into the two positioning slots (16). Hand-tightening bolts (10) are threaded through the front and back of the impurity removal box (3) and at the position corresponding to each threaded hole (15). The hand-tightening bolts (10) are threadedly connected in the threaded holes (15).
4. The rapeseed impurity removal device according to claim 1, characterized in that, Multiple dispersion blocks (13) are fixed to the top of each of the two screens (12), and the multiple dispersion blocks (13) are staggered and arranged in a triangular block shape.
5. The rapeseed impurity removal device according to claim 1, characterized in that, Both the first impurity removal frame (8) and the second impurity removal frame (9) are designed with an inclined structure, and the left side of both the first impurity removal frame (8) and the second impurity removal frame (9) is higher than the right side. The aperture of the screen (12) inside the first impurity removal frame (8) is larger than the aperture of the screen (12) inside the second impurity removal frame (9).
6. The rapeseed impurity removal device according to claim 1, characterized in that, The top of the impurity removal box (3) is fixed with a second baffle plate (7), and the left side of the second baffle plate (7) is fixed with a feed hopper (6) that is fixedly connected to the left side of the top of the impurity removal box (3). The bottom right side of the feed hopper (6) is fixed with a first baffle plate (601) that is attached to the top of the first impurity removal frame (8).
7. The rapeseed impurity removal device according to claim 1, characterized in that, The impurity removal box (3) is mounted on the top of the support frame (1) by four springs (2). A vibration motor (5) is also installed on the side of the impurity removal box (3). A receiving frame (11) is also provided at the bottom of the support frame (1) and at the bottom outlet of the impurity removal box (3).