Impurity removing device for red beans

Abstract

The utility model belongs to the field of agricultural product processing technology discloses a red bean impurity removal device, including frame, be equipped with feed inlet hopper, the upper screen cloth and lower screen cloth of being equipped with in the feed inlet hopper directly below and be used for driving the vibration motor of upper screen cloth and lower screen cloth vibration, upper screen cloth and lower screen cloth all are obliquely arranged and upper screen cloth mesh aperture is greater than lower screen cloth mesh aperture, upper screen cloth lower end and lower screen cloth lower end all are equipped with permanent -magnetic cylinder, the fan of being located in the guide tube one end is installed on the frame, guide tube other end extends to lower screen cloth lower end, the position of guide tube outside lower side near lower screen cloth is equipped with the vertical material collecting pipe and is equipped with the settling chamber in the position near the fan, material collecting pipe and settling chamber all are linked with guide tube, guide tube still is connected with the air -blowing subassembly, the air -blowing subassembly sets up in the settling chamber directly above and is convenient for blowing the impurity from guide tube into the settling chamber. The utility model has the advantages and effects that: the whole process utilizes magnetic separation, screening and winnowing, and the efficiency of impurity removal is high, and the separation rate is high.

Description

Technical Field

[0001] This utility model relates to the field of agricultural product processing technology, and in particular to a red bean impurity removal device. Background Technology

[0002] As an important edible legume and agricultural product, red beans inevitably become contaminated with various impurities during harvesting, drying, transportation, and storage. These impurities mainly include: large particles (such as clods of soil, pebbles, and large seeds of other crops), light impurities (such as bean pod fragments, straw, dust, and hair), small particles and heavy impurities (such as fine sand and dust), and magnetic metallic impurities (such as iron filings and nails). The presence of these impurities not only seriously affects the sensory quality and hygiene safety of red bean products, but may also damage processing equipment and reduce product grade and economic value during subsequent deep processing (such as making fillings and canning). Therefore, efficient and thorough removal of impurities is a crucial step in red bean processing. Existing impurity removal devices mostly use air separation, but simple air separation is difficult to remove impurities with a density similar to that of red beans, resulting in low removal efficiency and incomplete removal. Utility Model Content

[0003] The purpose of this invention is to provide a red bean impurity removal device that has the effects of high efficiency in impurity removal and high sorting rate.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a red bean impurity removal device, comprising a frame, a feeding hopper, an upper screen and a lower screen spaced vertically below the feeding hopper, and a vibration motor for driving the upper screen and the lower screen to vibrate. The upper screen and the lower screen are both inclined, and the mesh size of the upper screen is larger than that of the lower screen. The lower ends of the upper screen and the lower ends of the lower screen are each provided with a permanent magnet roller. A guide pipe and a fan located at one end of the guide pipe are installed on the frame. The other end of the guide pipe extends to the lower end of the lower screen. A vertical collecting pipe is provided below the outer side of the guide pipe near the lower screen, and a settling chamber is provided near the fan. The collecting pipe and the settling chamber are both connected to the guide pipe. The guide pipe is also connected to an air blowing assembly, which is located directly above the settling chamber to facilitate blowing impurities from the guide pipe into the settling chamber.

[0005] By adopting the above technical solution, workers pour the red beans to be cleaned into the feed hopper. The vibrating motor operates to move the upper and lower screens. The red beans and impurities in the feed hopper fall onto the upper screen, while large particles of impurities remain on the upper screen. The permanent magnet roller at the lower end of the upper screen is used to adsorb large magnetic metal impurities. The red beans and small particles of impurities enter the lower screen, where small particles fall through the mesh. The red beans, light impurities, and some magnetic metal impurities that cannot pass through the lower screen remain on the lower screen. In the upper part, red beans and light impurities enter the feed pipe. Magnetic metal impurities on the lower screen are attracted by the permanent magnet roller at the lower end of the lower screen. Red beans fall into the collection pipe under the action of gravity. Light impurities are blown into the settling chamber by the air blowing component when passing through the settling chamber. The whole process uses permanent magnet roller magnetic separation, upper screen and lower screen for screening. After screening, air separation is performed to separate large particles, small particles, light impurities and magnetic metal impurities from red beans. The impurity removal efficiency is high and the sorting rate is high.

[0006] A further feature of this invention is that several connecting rods are fixed between the upper screen and the lower screen, and the vibrating motor is fixed to the lower screen.

[0007] By adopting the above technical solution, a connecting rod is set to connect the upper screen and the lower screen, so that a vibrating motor can act on both the upper screen and the lower screen at the same time.

[0008] The present invention is further configured as follows: both the upper screen and the lower screen are rectangular; the frame is provided with mounting grooves for the four sides of the upper screen and the four sides of the lower screen to be embedded; a vertically arranged guide rod 1 is fixed at each of the four corners on the upper side of the upper screen; a vertically arranged guide rod 2 is fixed at each of the four corners on the lower side of the lower screen; the mounting groove is provided with mounting holes 1 corresponding to each guide rod 1 and 2 corresponding to each guide rod 2; each guide rod 1 is fitted with a vibration damping spring 1; the outer circumference of the guide rod 1 has an annular boss 1, and the vibration damping spring 1 abuts against the corresponding annular boss 1 and the wall of the mounting groove; each guide rod 2 is fitted with a vibration damping spring 2; the outer circumference of the guide rod 2 has an annular boss 2, and the vibration damping spring 2 abuts against the corresponding annular boss 2 and the wall of the mounting groove.

[0009] By adopting the above technical solution, vibration damping spring one and vibration damping spring two are set to reduce the noise and vibration generated when the device is working.

[0010] A further feature of this invention is that a first impurity collection box is provided on the frame below the lower end of the upper screen, a second impurity collection box is provided directly below the lower screen, and a third impurity collection box is provided at the lower end of the settling chamber; and a collection box is provided at the lower end of the collection pipe.

[0011] By adopting the above technical solution, a first impurity collection box, a second impurity collection box, and a third impurity collection box are set up to collect impurities, and a collection bin is used to collect the red beans after impurity removal, which reduces the labor intensity of the staff.

[0012] A further feature of this invention is that a buffer pad is provided inside the collection box.

[0013] By adopting the above technical solution, the buffer pad plays a buffering role, reducing the damage caused by collisions in the collection box when collecting red beans.

[0014] A further feature of this invention is that the first impurity collection box is provided with a first transparent observation window, the second impurity collection box is provided with a second transparent observation window, the third impurity collection box is provided with a third transparent observation window, and the collection bin is provided with a transparent viewing window.

[0015] By adopting the above technical solution, a first transparent observation window is set to facilitate observation of the contents of the first impurity collection box, a second transparent observation window is set to facilitate observation of the contents of the second impurity collection box, a third transparent observation window is set to facilitate observation of the contents of the third impurity collection box, and a transparent viewing window is set to facilitate observation of the contents of the collection box.

[0016] A further feature of this invention is that the air blowing assembly includes an air cylinder vertically fixed on the frame, a piston located inside the air cylinder, and a piston rod vertically fixed on the upper middle part of the piston. The lower end of the air cylinder has an air outlet. The outer side of the guide tube has a through hole that penetrates the inner wall and allows the lower end of the air cylinder to be inserted. The upper side of the piston has several vent holes that penetrate the lower side. The lower side of the piston has several air cushions for blocking the corresponding vent holes. One side of the air cushion is fixed on the lower side of the piston. A telescopic drive is fixed on the frame. The telescopic rod of the telescopic drive is vertically arranged and its end is fixedly connected to the end of the piston rod.

[0017] By adopting the above technical solution, the telescopic drive piston reciprocates inside the air cylinder, which blows air from the air outlet through the through hole of the guide pipe to the top of the settling chamber, blowing light impurities in the guide pipe into the settling chamber, making it easier to collect light impurities.

[0018] A further feature of this invention is that a filter screen is provided inside the feed pipe near the blower, the outer periphery of the filter screen is fixed on the inner wall of the feed pipe, and a mesh plate is fixed at the through hole on the feed pipe.

[0019] By adopting the above technical solutions, a filter screen is installed to prevent impurities from entering the blower, and a mesh plate is installed to prevent impurities from entering the air cylinder.

[0020] A further feature of this invention is that a bellows-style protective cover is provided between the wall of the mounting groove and the upper side of the upper screen, and between the wall of the mounting groove and the lower side of the lower screen, and between the upper screen and the lower screen.

[0021] By adopting the above technical solution, a bellows-style protective cover is installed to prevent red beans and impurities from entering the installation slot, reducing the difficulty for staff to clean the device.

[0022] A further feature of this invention is that the feed tube is arranged in an arc shape.

[0023] By adopting the above technical solution, it is easier to guide the material and avoid the retention of red beans and light impurities in the feed tube.

[0024] The beneficial effects of this utility model are: 1. The entire process utilizes permanent magnet drum magnetic separation, upper and lower screens for screening, and air separation after screening to separate large particles, small particles, light impurities, and magnetic metal impurities from the red beans. It has high impurity removal efficiency and high separation rate.

[0025] 2. A first impurity collection box, a second impurity collection box, and a third impurity collection box are set up to collect impurities, and a collection bin is used to collect the red beans after impurity removal, which reduces the labor intensity of the staff.

[0026] 3. An air blowing component is installed to facilitate the entry of light impurities into the settling chamber for easy collection. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of this utility model.

[0028] Figure 2 This is a schematic diagram of the connection structure between the feed hopper, upper screen, lower screen and frame in this utility model.

[0029] Figure 3 This is a schematic diagram of the connection structure between the air blowing component and the material guide tube in this utility model.

[0030] Figure 4 This is a schematic diagram of the connection structure between the material collection pipe and the material collection box in this utility model.

[0031] In the diagram, 1. Frame; 1a. Mounting slot; 1b. Mounting hole one; 1c. Mounting hole two; 2. Feed hopper; 3. Upper screen; 3a. Guide rod one; 3a1. Annular boss one; 4. Lower screen; 4a. Guide rod two; 4a1. Annular boss two; 5. Vibrating motor; 6. Permanent magnet drum; 7. Feed guide pipe; 7a. Through hole; 8. Blower; 9. Collecting pipe; 10. Settling chamber; 11. Air blowing assembly; 111. Air cylinder; 111a. Air outlet; 112. Piston; 112a. 113. Vent hole; 114. Piston rod; 115. Air cushion; 116. Telescopic drive component; 12. Connecting rod; 13. Vibration damping spring one; 14. Vibration damping spring two; 15. First impurity collection box; 15a. First transparent observation window; 16. Second impurity collection box; 16a. Second transparent observation window; 17. Third impurity collection box; 17a. Third transparent observation window; 18. Collection box; 18a. Transparent window; 19. Buffer pad; 20. Filter screen; 21. Mesh plate; 22. Bellows-style protective cover. Detailed Implementation

[0032] Example: A red bean impurity removal device, such as Figure 1 and Figure 2As shown, the system includes a frame 1, a feed hopper 2, an upper screen 3, a lower screen 4, and a vibrating motor 5. The feed hopper 2 is fixed on the frame 1. The upper screen 3 and lower screen 4 are spaced vertically below the feed hopper 2. Both the upper screen 3 and lower screen 4 are inclined and rectangular. The upper screen 3 and lower screen 4 are parallel to each other and are connected by several connecting rods 12. There are four connecting rods 12, which are located at the four junctions of the upper screen 3 and lower screen 4. All four connecting rods 12 are perpendicular to the upper screen 3 and lower screen 4. The frame 1 has mounting grooves 1a for the four sides of the upper screen 3 and the four sides of the lower screen 4 to be inserted. Vertically arranged guide rods 3a are fixed at the four corners of the upper screen 3, and vertically arranged guide rods 4a are fixed at the four corners of the lower screen 4. Mounting grooves 1a have mounting holes 1b corresponding to and for the insertion of the guide rods 3a. Mounting grooves 1a also have mounting holes 2b corresponding to and for the insertion of the guide rods 4a. 1c, each guide rod 3a is fitted with a damping spring 13. The outer circumferential surface of guide rod 3a has an annular boss 3a1, and the damping spring 13 abuts against the corresponding annular boss 3a1 and the wall of the mounting groove 1a. Each guide rod 4a is fitted with a damping spring 14, the outer circumferential surface of guide rod 4a has an annular boss 4a1, and the damping spring 14 abuts against the corresponding annular boss 4a1 and the wall of the mounting groove 1a. The vibrating motor 5 is fixed on the lower screen 4. The lower end of the upper screen 3 and the lower end of the lower screen 4... Both ends are equipped with permanent magnet rollers 6. The mesh size of the upper screen 3 is larger than that of the lower screen 4. The wall of the mounting groove 1a is equipped with a bellows-type protective cover 22 between the upper side of the upper screen 3 and the lower side of the lower screen 4, and between the upper screen 3 and the lower screen 4. A first impurity collection box 15 is provided on the frame 1 below the lower end of the upper screen 3, and a second impurity collection box 16 is provided directly below the lower screen 4. The first impurity collection box 15 is provided with a first transparent observation window 15a, and the second impurity collection box 16 is provided with a second transparent observation window 16a.

[0033] Furthermore, such as Figures 1 to 4As shown, a fan 8 and a guide pipe 7 are installed on the frame 1. The guide pipe 7 is arc-shaped. One end of the guide pipe 7 is connected to the fan 8, and the other end of the guide pipe 7 extends to the lower end of the lower screen 4. A filter screen 20 is provided inside the guide pipe 7 near the fan 8. The outer periphery of the filter screen 20 is fixed to the inner wall of the guide pipe 7. A vertically arranged collecting pipe 9 is provided below the outer side of the guide pipe 7 near the lower screen 4, and a settling chamber 10 is provided near the fan 8. The collecting pipe 9 and the settling chamber 10 are both connected to the guide pipe 7. A collecting box 18 is provided at the lower end of the collecting pipe 9, and a third impurity collection box 17 is provided at the lower end of the settling chamber 10. A transparent viewing window 18a is provided on the collecting box 18, and a buffer pad 19 is provided inside the collecting box 18. A third transparent observation window 17a is provided on the third impurity collection box 17.

[0034] Furthermore, such as Figures 1 to 4 As shown, the feed pipe 7 is also connected to an air blowing assembly 11. The air blowing assembly 11 is positioned directly above the settling chamber 10 to facilitate the blowing of impurities from the feed pipe 7 into the settling chamber 10. The air blowing assembly 11 includes an air cylinder 111 vertically fixed on the frame 1, a piston 112 located inside the air cylinder 111, and a piston rod 113 vertically fixed to the upper middle part of the piston 112. The lower end of the air cylinder 111 has an air outlet 111a. The outer side of the feed pipe 7 has a through hole 7a that penetrates the inner wall and allows the lower end of the air cylinder 111 to be inserted. A mesh plate 21 is fixed at the through hole 7a on the feed pipe 7. Several vent holes 112a are opened on the upper side of the piston 112, and several air cushions 114 are provided on the lower side of the piston 112 to block the corresponding vent holes 112a. One side of the air cushion 114 is fixed on the lower side of the piston 112. A telescopic drive component 115 is fixed on the frame 1. The telescopic rod of the telescopic drive component 115 is set vertically and its end is fixedly connected to the end of the piston rod 113. Here, the telescopic drive component 115 is a cylinder or an electric push rod.

[0035] Working principle: Workers pour the red beans to be cleaned into the feed hopper 2. The vibrating motor 5 operates, causing the upper screen 3 and lower screen 4 to move. The red beans and impurities in the feed hopper 2 fall onto the upper screen 3, while larger particles remain. The permanent magnet roller 6 at the lower end of the upper screen 3 adsorbs large magnetic metal impurities. These large particles then enter the first impurity collection box 15. The red beans and small particles enter the lower screen 4, where they fall through the mesh. The red beans, light impurities, and some magnetic metal impurities that cannot pass through the lower screen 4 remain on it. The red beans and light impurities enter the guide pipe 7. The magnetic metal impurities on the lower screen 4 are adsorbed by the permanent magnet roller 6 at the lower end of the lower screen 4. Under gravity, the red beans fall into the collection box 7. Inside the material pipe 9, the material enters the collection box 18. The telescopic drive component 115 operates, driving the piston rod 113 to move upward. The air cushion 14 opens, and air enters the air cylinder 111 through the vent hole 112a of the piston 112. The telescopic drive component 115 drives the piston rod 113 to move downward, compressing the air between the piston 112 and the air outlet 111a in the air cylinder 111. The air cushion 14 closes, blowing the air through the through hole 7a of the guide pipe 7 towards the settling chamber 10, thereby blowing light impurities into the settling chamber 10. The entire process utilizes the permanent magnet drum 6 for magnetic separation, and the upper screen 3 and lower screen 4 for screening. After screening, air separation is performed to separate large particles, small particles, light impurities, and magnetic metal impurities from the red beans, improving the impurity removal efficiency and sorting rate.

Claims

1. A red bean impurity removal device, characterized in that: The system includes a frame (1), on which a feed hopper (2), an upper screen (3) and a lower screen (4) spaced vertically below the feed hopper (2), and a vibration motor (5) for driving the upper screen (3) and the lower screen (4) to vibrate. The upper screen (3) and the lower screen (4) are both inclined, and the mesh size of the upper screen (3) is larger than that of the lower screen (4). The lower ends of the upper screen (3) and the lower ends of the lower screen (4) are each provided with a permanent magnet roller (6). A guide pipe (7) and a guide pipe (7) are installed on the frame (1). 7) A blower (8) at one end, the other end of the guide pipe (7) extends to the lower end of the lower screen (4), a vertical collecting pipe (9) is provided on the lower side of the guide pipe (7) near the lower screen (4), and a settling chamber (10) is provided near the blower (8). The collecting pipe (9) and the settling chamber (10) are both connected to the guide pipe (7). The guide pipe (7) is also connected to an air blowing assembly (11). The air blowing assembly (11) is located directly above the settling chamber (10) to facilitate blowing impurities from the guide pipe (7) into the settling chamber (10).

2. The red bean impurity removal device according to claim 1, characterized in that: Several connecting rods (12) are fixed between the upper screen (3) and the lower screen (4), and the vibration motor (5) is fixed on the lower screen (4).

3. The red bean impurity removal device according to claim 2, characterized in that: Both the upper screen (3) and the lower screen (4) are rectangular. The frame (1) has mounting grooves (1a) for the four sides of the upper screen (3) and the four sides of the lower screen (4) to be inserted. Vertically arranged guide rods (3a) are fixed at the four corners of the upper screen (3), and vertically arranged guide rods (4a) are fixed at the four corners of the lower screen (4). The mounting grooves (1a) have mounting holes (1b) corresponding to the guide rods (3a) and for the guide rods (3a) to be inserted. The mounting grooves (1a) also have mounting holes (1b) corresponding to the guide rods (4a). A mounting hole 2 (1c) is provided for the corresponding guide rod 2 (4a) to be inserted. Each guide rod 1 (3a) is fitted with a damping spring 1 (13). The outer peripheral surface of the guide rod 1 (3a) has an annular boss 1 (3a1) and the damping spring 1 (13) abuts against the corresponding annular boss 1 (3a1) and the groove wall of the mounting groove (1a). Each guide rod 2 (4a) is fitted with a damping spring 2 (14). The outer peripheral surface of the guide rod 2 (4a) has an annular boss 2 (4a1) and the damping spring 2 (14) abuts against the corresponding annular boss 2 (4a1) and the groove wall of the mounting groove (1a).

4. A red bean impurity removal device according to claim 2 or 3, characterized in that: The frame (1) is provided with a first impurity collection box (15) located below the lower end of the upper screen (3), a second impurity collection box (16) located directly below the lower screen (4), and a third impurity collection box (17) located at the lower end of the settling chamber (10). The lower end of the collection pipe (9) is provided with a collection box (18).

5. The red bean impurity removal device according to claim 4, characterized in that: The collection box (18) is equipped with a buffer pad (19).

6. The red bean impurity removal device according to claim 4, characterized in that: The first impurity collection box (15) is provided with a first transparent observation window (15a), the second impurity collection box (16) is provided with a second transparent observation window (16a), the third impurity collection box (17) is provided with a third transparent observation window (17a), and the collection box (18) is provided with a transparent viewing window (18a).

7. The red bean impurity removal device according to claim 4, characterized in that: The air blowing assembly (11) includes an air cylinder (111) vertically fixed on the frame (1), a piston (112) located inside the air cylinder (111), and a piston rod (113) vertically fixed on the upper middle part of the piston (112). The lower end of the air cylinder (111) has an air outlet (111a). The outer side of the guide tube (7) is provided with a through hole (7a) that penetrates the inner wall and allows the lower end of the air cylinder (111) to be inserted. The piston (111... 2) Several ventilation holes (112a) are provided on the upper side and penetrate the lower side. Several air cushions (114) are provided on the lower side of the piston (112) to block the ventilation holes (112a). One side of the air cushion (114) is fixed on the lower side of the piston (112). A telescopic drive (115) is fixed on the frame (1). The telescopic rod of the telescopic drive (115) is vertically arranged and its end is fixedly connected to the end of the piston rod (113).

8. The red bean impurity removal device according to claim 7, characterized in that: A filter screen (20) is provided inside the feed pipe (7) near the blower (8). The outer periphery of the filter screen (20) is fixed on the inner wall of the feed pipe (7). A mesh plate (21) is fixed at the through hole (7a) on the feed pipe (7).

9. The red bean impurity removal device according to claim 3, characterized in that: The mounting groove (1a) is provided with a bellows-style protective cover (22) between the groove wall and the upper side of the upper screen (3) and the lower side of the lower screen (4), and between the upper screen (3) and the lower screen (4).

10. A red bean impurity removal device according to claim 1, 2, or 3, characterized in that: The feed tube (7) is arranged in an arc shape.

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