Multi-distribution material removing and screening mechanism

Abstract

The utility model discloses a multi-material-distribution material removing and screening mechanism which comprises a supporting assembly, a feeding assembly is arranged at the top of one side of the supporting assembly, a conveying assembly is arranged at the top of the other side of the supporting assembly, the end of the conveying assembly is in butt joint with the feeding assembly and provided with a material guiding assembly, and a detection assembly is arranged in the middle of the conveying assembly. A removing assembly is arranged on one side of the detecting assembly; to-be-screened nuts are fed on one side of the feeding assembly, then the nuts are transferred to the top of the conveying assembly through the guiding assembly, the nuts are conveyed one by one through the conveying assembly, and imaging collection is conducted on the surface of each nut through the detection assembly while conveying is conducted; the collected images are calculated and analyzed through an algorithm program, when the first conveying belt drives the corresponding nuts to be conveyed to the removing opening, with the corresponding quality grade, of the removing assembly, the conveyed nuts are removed and screened by controlling the removing assembly, classified screening is achieved according to the nut quality, the screening efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material quality screening, in particular to a multi-class material removal and screening mechanism. Background Art

[0002] As people's quality of life improves, their requirements for food are getting higher and higher. Nuts are one of the categories of closed fruits. They have a hard peel and contain one or more seeds. At present, in the packaging process of nuts, manufacturers generally conduct preliminary screening based on the quality of the nuts, and then classify and package them according to the quality of the nuts by detecting the size, shape and color of the nuts. The existing technology first classifies nuts of the same or similar size through screening equipment, and then manually sorts nuts of the same level by shape and color for a second time, and then grades and packages the nuts according to quality. The efficiency of manual secondary sorting is low, the labor intensity of workers is high, and the production cost is high. Utility Model Content

[0003] The utility model aims to provide a multi-material material removal and screening mechanism to solve the problems of low efficiency and high labor intensity of manual secondary sorting proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-material material rejection and screening mechanism, comprising a support assembly, a loading assembly is provided on the top of one side of the support assembly, a conveying assembly is provided on the top of the other side of the support assembly, a material guide assembly is provided at the end of the conveying assembly docking with the loading assembly, a detection assembly is provided in the middle of the conveying assembly, and a rejection assembly is provided on one side of the detection assembly.

[0005] Preferably, the support assembly includes a support frame 1 and a support frame 2, the support frame 1 is higher than the support frame 2, and the bottom of the support frame 1 and the support frame 2 are both provided with mounting plates, the support frame 1 is used to support and install the loading assembly, and the support frame 2 is used to support and install the conveying assembly.

[0006] Preferably, a crossbeam is provided between adjacent support frames 1 and 2, and a control cabinet is provided on the crossbeam on one side.

[0007] Preferably, the feeding assembly includes a feeding rack provided on one side of the supporting assembly, a feeding hopper is provided on the top of the feeding rack, a material guide plate is provided at the bottom of the feed hopper, a material baffle plate is provided on one side of the bottom of the feed hopper, a vibration motor is provided at the bottom of the material guide plate, a fixed seat is provided at the bottom of the feeding rack, and the fixed seat is located at the end of the material guide plate and provided with a material guide rack.

[0008] Preferably, shock-proof pads are provided at the four corners of the bottom of the vibration motor, and the material guide rack is V-shaped.

[0009] Preferably, the conveying assembly includes a conveying frame provided on the other side of the supporting assembly. One end of the conveying frame is symmetrically provided with first mounting plates. In the middle of the two first mounting plates, driving rollers are rotatably provided. The first mounting plates are provided with a speed reducer whose output shaft is fixedly connected to the end of the driving roller. One side of the speed reducer is provided with a first motor. The other end of the conveying frame is symmetrically provided with second mounting plates. In the middle of the two second mounting plates, driven rollers are rotatably provided. The driving rollers and the driven rollers are drivingly connected by a first conveyor belt. A plurality of mounting blocks are fixedly provided on the top of the first conveyor belt, and glass is provided in the middle of the mounting blocks.

[0010] Preferably, adjusting blocks are provided on the side edges of the conveying frame and the second mounting plates. In the middle of the two adjusting blocks, an adjusting rod is threadedly connected. A guiding chute is provided on the side of the conveying frame. The second mounting plate is provided with a guiding slider that slides along the guiding chute. The second mounting plate is provided with a plurality of waist-shaped holes, and the conveying frame is provided with mounting holes corresponding to the waist-shaped holes.

[0011] Preferably, the material guiding assembly includes fixing plates symmetrically provided at the end of the conveying assembly. A guiding frame is jointly connected to the two fixing plates. A power roller is rotatably provided at one end of the guiding frame. A driven wheel is provided at one end of the power roller. A second motor is provided in the middle of the guiding frame. The output end of the second motor is fixedly connected with a driving wheel. The driving wheel and the driven wheel are drivingly connected by a belt. A guiding roller is provided at the other end of the guiding frame. The power roller and the guiding roller are drivingly connected by a second conveyor belt.

[0012] Preferably, the detection assembly includes detection plates symmetrically provided on one side of the top of the conveying assembly. A detection frame is jointly connected to the two detection plates. An industrial camera one is provided on the top of the detection frame. A first reflecting mirror is obliquely provided inside the detection frame. Two second reflecting mirrors are symmetrically and obliquely provided in the middle of the detection frame near the first reflecting mirror. Two third reflecting mirrors are symmetrically and obliquely provided in the middle of the detection frame far from the first reflecting mirror. Two fourth reflecting mirrors are symmetrically and obliquely provided at the bottom of the detection frame. Lighting lamps are symmetrically provided on the side of the detection frame.

[0013] Preferably, the detection assembly further includes a detection box provided on one side of the middle of the conveying assembly. An industrial camera two is provided inside the detection box. A fifth reflecting mirror is provided at the lens of the industrial camera two. A transparent plate is provided on the top of the detection box. A third motor is provided on one side of the detection box. The output shaft of the third motor is connected with a rotating shaft, and a dust scraping plate is provided on the top of the rotating shaft.

[0014] Preferably, the rejection component includes a plurality of fixed blocks arranged on the side of the conveying component. The fixed blocks are commonly connected to a gas guide pipe. The air inlet of the gas guide pipe is communicated with an air filter. The gas guide pipe is provided with a plurality of exhaust ports, and each exhaust port is connected with an electromagnetic valve. A gas gun seat is arranged on the top of the conveying component near one side of the electromagnetic valve. A plurality of gas guns are fixedly arranged in the middle of the gas gun seat. The air outlet of the electromagnetic valve is communicated with the gas gun through a gas pipe. The conveying component is provided with a material rejection rack corresponding to the gas gun.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. The nuts to be screened are fed on one side of the feeding component, and then transferred to the top of the conveying component through the guiding component. The nuts are conveyed one by one by the conveying component. During the conveying process, the surface of each nut is imaged and collected by the detection component, and then the collected images are calculated and analyzed by using an algorithm program. When the conveyor belt drives the corresponding nuts to be conveyed to the rejection opening corresponding to the quality grade of the rejection component, the rejection component is controlled to reject and screen the conveyed nuts, so as to realize classification and screening according to the nut quality, improve the screening efficiency and reduce the labor intensity of workers.

[0017] 2. The nuts to be screened are introduced into the feeding hopper and then fall onto the guiding plate. At the same time, the vibration motor is started to drive the guiding plate to vibrate, so as to vibrate and convey the nuts on the top of the guiding plate. Then, the nuts conveyed on the guiding plate are guided one by one to the top of the guiding component through the guiding rack. The number of nuts conveyed on the top of the guiding plate can be further adjusted by the baffle plate.

[0018] 3. By arranging a plurality of gas guns for nuts of different quality grades, when the conveyor belt drives the corresponding nuts to be conveyed to one side of the gas guns of the corresponding grade, the electromagnetic valve on that side is controlled to open, so as to inflate the gas guns and blow out and collect the conveyed nuts from one side of the material rejection rack, so as to continuously realize classification and screening according to the nut quality, and at the same time improve the screening effect. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the conveying component in an embodiment of the present utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the feeding component in an embodiment of the present utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the guiding component in an embodiment of the present utility model;

[0023] Figure 5 Schematic three-dimensional structure diagram of the detection frame in the embodiment of the present utility model;

[0024] Figure 6 Schematic cross-sectional three-dimensional structure diagram of the detection frame in the embodiment of the present utility model;

[0025] Figure 7 Schematic three-dimensional structure diagram of the detection box without the transparent plate in the embodiment of the present utility model;

[0026] Figure 8 Schematic enlarged structure diagram of part A in the embodiment of the present utility model.

[0027] In the figure: 1. Support assembly; 11. First support frame; 12. Second support frame; 13. Mounting plate; 14. Cross beam; 15. Control cabinet; 2. Loading assembly; 21. Loading rack; 22. Feeding hopper; 23. Guide plate; 24. Baffle plate; 25. Vibration motor; 26. Fixed seat; 27. Guide rack; 28. Anti-vibration pad; 3. Conveying assembly; 31. Conveying rack; 301. Guide chute; 302. Mounting hole; 32. First mounting plate; 33. Driving roller; 34. Reducer; 35. First motor; 36. Second mounting plate; 361. Guide slider; 362. Slotted hole; 37. Driving roller; 38. First conveyor belt; 39. Mounting block; 310. Glass; 311. Adjusting block; 312. Adjusting rod; 4. Material guiding assembly; 41. Fixed plate; 42. Guide frame; 43. Driving roller; 44. Driven wheel; 45. Second motor; 46. Driving wheel; 47. Belt; 48. Guide roller; 49. Second conveyor belt; 5. Detection assembly; 51. Detection plate; 52. Detection frame; 53. First industrial camera; 54. First reflector; 55. Second reflector; 56. Third reflector; 57. Fourth reflector; 58. Lighting lamp; 59. Detection box; 510. Second industrial camera; 511. Fifth reflector; 512. Transparent plate; 513. Third motor; 514. Rotating shaft; 515. Ash scraping plate; 6. Rejection assembly; 61. Fixed block; 62. Air duct; 63. Air filter; 64. Solenoid valve; 65. Air gun seat; 66. Air gun; 67. Rejection rack. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1 - 8, the present utility model provides a multi - feeding material rejection and screening mechanism, including a support assembly 1. At the top of one side of the support assembly 1, a feeding assembly 2 is provided. At the top of the other side of the support assembly 1, a conveying assembly 3 is provided. At the end of the conveying assembly 3, a feeding guide assembly 4 is provided in butt - joint with the feeding assembly 2. In the middle of the conveying assembly 3, a detection assembly 5 is provided. On one side of the detection assembly 5, a rejection assembly 6 is provided. The nuts to be screened are fed on one side of the feeding assembly 2, and then the nuts are transferred to the top of the conveying assembly 3 through the feeding guide assembly 4. The nuts are conveyed one by one through the conveying assembly 3. While conveying, the surface of each nut is imaged and collected through the detection assembly 5. Then, the collected images are calculated and analyzed by using an algorithm program. When the conveyor belt 38 drives the corresponding nuts to be conveyed to the rejection opening corresponding to the quality grade of the rejection assembly 6, the rejection assembly 6 is controlled to reject and screen the conveyed nuts, so as to realize classification and screening according to the quality of the nuts, improve the screening efficiency and reduce the labor intensity of workers.

[0030] As Figure 1 shown, specifically, the support assembly 1 includes a first support frame 11 and a second support frame 12. The first support frame 11 is higher than the second support frame 12. At the bottom of both the first support frame 11 and the second support frame 12, mounting plates 13 are provided. The first support frame 11 is used to support and install the feeding assembly 2, and the second support frame 12 is used to support and install the conveying assembly 3. By setting the mounting plates 13, the stability of the device is further improved. By setting the height of the first support frame 11 higher than that of the second support frame 12, it is convenient to further guide and convey the fed nuts.

[0031] Specifically, a cross - beam 14 is connected between the adjacent first support frame 11 and the second support frame 12. On one side of the cross - beam 14, a control cabinet 15 is provided. Through the control cabinet 15, the operating state of the equipment is controlled.

[0032] As Figure 3 shown, specifically, the feeding assembly 2 includes a feeding frame 21 provided on one side of the support assembly 1. At the top of the feeding frame 21, a feeding hopper 22 is provided. At the bottom of the feeding hopper 22, a guiding plate 23 is provided. On one side at the bottom of the feeding hopper 22, a baffle plate 24 is provided. At the bottom of the guiding plate 23, a vibration motor 25 is provided. At the bottom of the feeding frame 21, a fixing seat 26 is provided. At the end of the guiding plate 23 where the fixing seat 26 is located, a guiding frame 27 is provided. The nuts to be screened are introduced into the feeding hopper 22 and then fall onto the guiding plate 23. At the same time, the vibration motor 25 is started to drive the guiding plate 23 to vibrate, so as to vibrate and convey the nuts on the top of the guiding plate 23. Then, the nuts conveyed on the guiding plate 23 are dropped one by one onto the top of the feeding guide assembly 4 through the guiding frame 27. The number of nuts conveyed on the top of the guiding plate 23 can be further adjusted through the baffle plate 24.

[0033] Specifically, two V-shaped guide blocks of different lengths are provided on the top of the guide plate 23 , so as to facilitate the guided transportation of the nuts falling onto the top of the guide plate 23 .

[0034] Specifically, shock-proof pads 28 are provided at the four corners of the bottom of the vibration motor 25, and the guide frame 27 is V-shaped. The shock-proof pads 28 are used to shock-proof the base of the vibration motor 25, thereby improving the stability of the loading frame 21. By setting the guide frame 27 in a V shape, the nuts transported by the guide plate 23 can be loaded one by one, which facilitates the subsequent detection and processing of the nuts.

[0035] like Figure 2 and Figure 8 As shown, specifically, the conveying assembly 3 includes a conveying frame 31 provided on the other side of the supporting assembly 1, and a mounting plate 32 is symmetrically provided at one end of the conveying frame 31, and a driving roller 33 is rotatably provided in the middle of the mounting plates 32 on both sides, and the mounting plates 32 are provided with a reducer 34 with an output shaft fixedly connected to the end of the driving roller 33, and a motor 35 is provided on one side of the reducer 34, and a mounting plate 36 is symmetrically provided at the other end of the conveying frame 31, and a transmission roller 37 is rotatably provided in the middle of the mounting plates 36 on both sides, and the driving roller 3 3 and the transmission roller 37 are connected through a conveyor belt 38. A plurality of mounting blocks 39 are fixedly provided on the outside of the conveyor belt 38. A glass 310 is provided in the middle of the mounting block 39. By starting the motor 35, the driving roller 33 is driven to rotate, and then the conveyor belt 38 and the transmission roller 37 are rotated in coordination, so that the conveyor belt 38 drives the mounting blocks 39 to move, so that each mounting block 39 can dock with the nuts transported by the conveyor belt 2 49 one by one, and transport them to the side of the detection component 5 and the rejection component 6 for detection and screening respectively.

[0036] Specifically, the conveyor belt 1 38 is a transparent conveyor belt, which is convenient for the detection component 5 to capture images of the nuts transported on the top of the mounting block 39 .

[0037] Specifically, the sides of the conveying frame 31 and the second mounting plate 36 are provided with adjustment blocks 311, and the middle parts of the adjustment blocks 311 on both sides are threadedly connected with adjustment rods 312. The sides of the conveying frame 31 are provided with guide grooves 301, and the second mounting plate 36 is provided with guide sliders 361 sliding along the guide grooves 301. The second mounting plate 36 is provided with a plurality of waist-shaped holes 362, and the conveying frame 31 is provided with mounting holes 302 corresponding to the waist-shaped holes 362. The installation position of the second mounting plate 36 is adjusted by adjusting the adjustment rod 312, and then the tension of the conveyor belt 1 38 can be adjusted, thereby improving the stability of the conveyor belt 1 38 for nut transportation.

[0038] like Figure 4As shown, specifically, the material guide assembly 4 includes a fixed plate 41 symmetrically arranged at the end of the conveying assembly 3, and the fixed plates 41 on both sides are commonly connected to a guide frame 42, one end of the guide frame 42 is rotatably provided with a power roller 43, and one end of the power roller 43 is provided with a driven wheel 44, a motor 2 45 is provided in the middle of the guide frame 42, and the output end of the motor 2 45 is fixedly connected with a driving wheel 46, and the driving wheel 46 and the driven wheel 44 are connected by a belt 47. The other end of the guide frame 42 is provided with a guide Roller 48, the power roller 43 and the guide roller 48 are connected through the transmission of conveyor belt 2 49, and the motor 2 45 is started, so that the driving wheel 46 drives the driven wheel 44 to rotate through the belt 47, and then the power roller 43 cooperates with the guide roller 48 to drive the conveyor belt 2 49 to rotate, and the nuts guided down by the guide rack 27 are transported one by one to the center of the glass 310 in the middle of the corresponding mounting block 39, so as to realize the feeding operation of the nuts one by one, and facilitate the transportation to the detection component 5 and the rejection component 6 side for detection and screening respectively.

[0039] like Figure 5 , Figure 6 and Figure 7 As shown, specifically, the detection component 5 includes a detection plate 51 symmetrically arranged on one side of the top of the conveying component 3, and the detection plates 51 on both sides are commonly connected to a detection frame 52, an industrial camera 1 53 is arranged on the top of the detection frame 52, a reflector 1 54 is arranged obliquely inside the detection frame 52, a reflector 2 55 is symmetrically inclined near the reflector 1 54 in the middle of the detection frame 52, a reflector 3 56 is symmetrically inclined away from the reflector 1 54 in the middle of the detection frame 52, a reflector 4 57 is symmetrically inclined at the bottom of the detection frame 52, and lighting lamps 58 are symmetrically arranged on the sides of the detection frame 52, and the imaging collection area of ​​the industrial camera 1 53 at the bottom of the detection frame 52 is illuminated by the lighting lamps 58, so as to further improve the image quality of the industrial camera 1 53. The imaging collection effect is achieved, and the left and right surfaces of the nut are reflected to the reflector 2 55 on the same side through the reflector 3 56, and then reflected to the industrial camera 1 53 by the reflector 2 55, thereby realizing the imaging collection of the left and right outer surfaces of the nut. The top outer surface of the nut is reflected to the reflector 1 54 through the reflector 2 55 on one side, and then reflected to the industrial camera 1 53 through the reflector 1 54, thereby realizing the imaging collection of the top outer surface of the nut. The front and back surfaces of the nut are reflected to the reflector 2 55 on one side through the reflector 4 57, and the reflector 2 55 reflects it to the reflector 1 54, and the reflector 1 54 finally reflects the front and back of the nut to the industrial camera 1 53, thereby enabling the industrial camera 1 53 to realize the imaging collection of the top and surrounding outer surfaces of the nut.

[0040] Specifically, the detection component 5 further includes a detection box 59 provided on one side of the middle of the conveying component 3. An industrial camera II 510 is provided inside the detection box 59. A fifth reflector 511 is provided at the lens of the industrial camera II 510. A transparent plate 512 is provided on the top of the detection box 59. A third motor 513 is provided on one side of the detection box 59. The output shaft of the third motor 513 is connected with a rotating shaft 514. A dust scraping plate 515 is provided at the top of the rotating shaft 514. The bottom of the nuts conveyed by the first conveyor belt 38 is reflected to one side of the industrial camera II 510 through the second reflector 55, so as to facilitate the industrial camera II 510 to collect images of the bottom of the nuts. At the same time, the third motor 513 is started to drive the dust scraping plate 515 to rotate, so as to remove dust from the imaging area of the industrial camera II 510 on the top of the transparent plate 512, further improving the image acquisition effect of the industrial camera II 510.

[0041] As Figure 2 shown, specifically, the rejection component 6 includes a plurality of fixed blocks 61 provided on the side of the conveying component 3. The fixed blocks 61 are jointly connected with an air duct 62. The air inlet of the air duct 62 is communicated with an air filter 63. The air duct 62 is provided with a plurality of exhaust ports. Each exhaust port is connected with an electromagnetic valve 64. An air gun seat 65 is provided on the top of the conveying component 3 near one side of the electromagnetic valve 64. A plurality of air guns 66 are fixedly provided in the middle of the air gun seat 65. The air outlet of the electromagnetic valve 64 is communicated with the air gun 66 through an air pipe. A rejection rack 67 is provided on the conveying component 3 corresponding to the air gun 66. By providing a plurality of air guns 66, nuts of different quality grades are rejected and screened. The images collected by the first industrial camera 53 and the second industrial camera 510 are calculated and analyzed by using an algorithm program. When the first conveyor belt 38 drives the corresponding nuts to be conveyed to one side of this type of air gun 66, the electromagnetic valve 64 on this side is controlled to open, so as to inflate the air gun 66, and the conveyed nuts are blown out and collected from one side of the rejection rack 67, so as to realize classification and screening according to the nut quality, improve the screening efficiency and reduce the labor intensity of workers.

[0042] The working principle of the present utility model: When in use, the nuts to be screened are loaded through the feeding hopper 22, and then the nuts are transferred one by one to the top of the mounting block 39 through the second conveyor belt 49. The nuts on the top of the mounting block 39 are conveyed through the first conveyor belt. During the conveying process, the surfaces of each nut are comprehensively imaged and collected by the first industrial camera 53 and the second industrial camera 510. Then, the collected images are calculated and analyzed by using an algorithm program. When the first conveyor belt 38 drives the corresponding nuts to be conveyed to one side of the air gun 66 of the corresponding quality grade, the electromagnetic valve 64 is controlled to open, so that the air gun 66 rejects and screens the conveyed nuts, so as to realize classification and screening according to the nut quality, improve the screening efficiency and reduce the labor intensity of workers.

[0043] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, or improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-material rejection and screening mechanism, characterized in that: The invention comprises a support component (1), a feeding component (2) is provided on the top of one side of the support component (1), a conveying component (3) is provided on the top of the other side of the support component (1), an end of the conveying component (3) butting against the feeding component (2) is provided with a material guide component (4), a detection component (5) is provided in the middle of the conveying component (3), and a rejection component (6) is provided on one side of the detection component (5); The detection assembly (5) comprises a detection plate (51) symmetrically arranged on one side of the top of the conveying assembly (3), and detection frames (52) are connected to the detection plates (51) on both sides. An industrial camera 1 (53) is arranged on the top of the detection frame (52), and a reflector 1 (54) is arranged inside the detection frame (52) at an angle. A reflector 2 (55) is symmetrically arranged in an angled manner near the reflector 1 (54) in the middle of the detection frame (52), a reflector 3 (56) is symmetrically arranged in an angled manner away from the reflector 1 (54) in the middle of the detection frame (52), and a reflector 1 (56) is symmetrically arranged in an angled manner at the bottom of the detection frame (52). Four (57), the detection frame (52) is symmetrically provided with lighting lamps (58) on the side, the detection component (5) also includes a detection box (59) provided on one side of the middle part of the conveying component (3), the detection box (59) is provided with an industrial camera two (510), the industrial camera two (510) is provided with a reflector five (511) at the lens, the detection box (59) is provided with a transparent plate (512) on the top, the detection box (59) is provided with a motor three (513) on one side, the output shaft of the motor three (513) is connected with a rotating shaft (514), and the top of the rotating shaft (514) is provided with a scraper plate (515).

2. The multi-material rejection and screening mechanism according to claim 1, characterized in that: The support assembly (1) comprises a support frame 1 (11) and a support frame 2 (12), wherein the support frame 1 (11) is higher than the support frame 2 (12), and mounting plates (13) are provided at the bottoms of the support frame 1 (11) and the support frame 2 (12), wherein the support frame 1 (11) is used for supporting and mounting the loading assembly (2), and the support frame 2 (12) is used for supporting and mounting the conveying assembly (3).

3. A multi-material rejection and screening mechanism according to claim 2, characterized in that: A crossbeam (14) is provided between the adjacent support frame 1 (11) and the support frame 2 (12), and a control cabinet (15) is provided on the crossbeam (14) on one side.

4. A multi-material rejection and screening mechanism according to claim 1, characterized in that: The feeding assembly (2) comprises a feeding frame (21) provided on one side of the supporting assembly (1); a feeding hopper (22) is provided on the top of the feeding frame (21); a material guide plate (23) is provided on the bottom of the feeding hopper (22); a material blocking plate (24) is provided on one side of the bottom of the feeding hopper (22); a vibration motor (25) is provided on the bottom of the material guide plate (23); a fixing seat (26) is provided on the bottom of the feeding frame (21); and a material guide frame (27) is provided on the end of the fixing seat (26) located on the end of the material guide plate (23).

5. The multi-material rejection and screening mechanism according to claim 4, wherein: Anti-vibration pads (28) are provided at the four corners of the bottom of the vibration motor (25), and the material guide frame (27) is V-shaped.

6. The multi-material rejection and screening mechanism according to claim 1, characterized in that: The conveying assembly (3) comprises a conveying frame (31) provided at the other side of the supporting assembly (1), a mounting plate (32) being symmetrically provided at one end of the conveying frame (31), a driving roller (33) being rotatably provided in the middle of the mounting plate (32) on both sides, a reducer (34) being provided with an output shaft fixedly connected to the end of the driving roller (33), a motor (35) being provided at one side of the reducer (34), a mounting plate (36) being symmetrically provided at the other end of the conveying frame (31), a driving roller (37) being rotatably provided in the middle of the mounting plate (36) on both sides, the driving roller (33) and the driving roller (37) being connected in transmission via a conveyor belt (38), a plurality of mounting blocks (39) being fixedly provided on the top of the conveyor belt (38), and a glass (310) being provided in the middle of the mounting block (39).

7. The multi-material rejection and screening mechanism according to claim 6, characterized in that: The sides of the conveying frame (31) and the second mounting plate (36) are both provided with adjustment blocks (311), and the middle parts of the adjustment blocks (311) on both sides are threadedly connected with adjustment rods (312), the sides of the conveying frame (31) are provided with guide grooves (301), the second mounting plate (36) is provided with guide slide blocks (361) sliding along the guide grooves (301), the second mounting plate (36) is provided with a plurality of waist-shaped holes (362), and the conveying frame (31) is provided with mounting holes (302) corresponding to the waist-shaped holes (362).

8. A multi-material rejection and screening mechanism according to claim 1, characterized in that: The material guide assembly (4) comprises a fixed plate (41) symmetrically arranged at the end of the conveying assembly (3), the fixed plates (41) on both sides are connected to a guide frame (42), one end of the guide frame (42) is rotatably provided with a power roller (43), one end of the power roller (43) is provided with a driven wheel (44), a second motor (45) is arranged in the middle of the guide frame (42), an output end of the second motor (45) is fixedly connected with a driving wheel (46), the driving wheel (46) and the driven wheel (44) are connected by a belt (47), and a guide roller (48) is arranged at the other end of the guide frame (42), and the power roller (43) and the guide roller (48) are connected by a conveyor belt (49).

9. A multi-material rejection and screening mechanism according to claim 1, characterized in that: The rejecting assembly (6) comprises a plurality of fixed blocks (61) provided on the side of the conveying assembly (3), the fixed blocks (61) being connected to an air guide pipe (62), the air inlet of the air guide pipe (62) being connected to an air filter (63), the air guide pipe (62) being provided with a plurality of exhaust ports, each exhaust port being connected to a solenoid valve (64), an air gun seat (65) being provided on the top of the conveying assembly (3) near the solenoid valve (64), a plurality of air guns (66) being fixedly provided in the middle of the air gun seat (65), the air outlet of the solenoid valve (64) being connected to the air gun (66) through an air pipe, and the conveying assembly (3) being provided with a rejecting rack (67) corresponding to the air gun (66).

Images