A flat-throwing material sorting and rejecting machine

By designing a flat-dumping material sorting and removal machine, using industrial cameras and TDI cameras for all-round inspection, and combining air guns and solenoid valves for the removal components, the problems of nut sorting accuracy and inefficiency in the existing technology are solved, and high-accuracy nut screening and product quality improvement are achieved.

CN222724865UActive Publication Date: 2025-04-08HANGZHOU KUI KRYPTON IND TECH CO LTD
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Patent Information

Application Number
CN202421345233.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-04-08
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing nut sorting device is difficult to detect the surface and internal defects of nuts at the same time, and the screening accuracy and efficiency are low, resulting in the finished product being often doped with empty shell nuts, affecting product quality.

Method used

A flat-dumping material sorting and removal machine is designed, and the nuts are introduced into the sorting cavity using flat-dumping movement. All-round image acquisition and internal recognition are performed through industrial cameras and TDI cameras. Combined with the air gun and solenoid valve of the removal component, the high accuracy of impurities and secondary fruits is achieved.

Benefits of technology

It improves the accuracy of detection of surface and internal defects of nuts, enhances the ability to remove impurities and secondary fruits, and improves the nut screening rate and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flat-throwing material sorting and rejecting machine, comprising a frame, a plurality of supporting frames are arranged at the bottom of the frame, a sorting cavity is arranged in the middle of the frame, a feeding port is arranged at the top of the frame connected to the sorting cavity, nuts to be screened are poured into a feeding hopper, and the nuts on the top of a guide plate are guided to the top of a conveyor belt by a vibrating plate, and then the nuts are guided to the sorting cavity by the conveyor belt, so that the nuts are made to do a flat-throwing motion from the top of the sorting cavity and fall to one side of a bottom material dividing rack, during the falling process of the nuts, three dispersedly arranged industrial cameras are used to realize full-face image acquisition of impurities or the appearance of the nuts, and at the same time, the impurities or the internal pulp of the nuts are identified by a TDI camera, when the industrial camera or the TDI camera detects impurities or incomplete nuts, the electromagnetic valve is controlled to supply air to the exhaust hole on the same side, and then the impurities or inferior fruits falling to the side are blown to the rejecting port side of the material dividing rack, so as to improve the accuracy of rejecting the impurities or inferior fruits.
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Description

Technical Field

[0001] The utility model relates to the technical field of material sorting, in particular to a flat-throwing material sorting and rejecting machine. Background Art

[0002] Nuts are a type of closed fruit with a hard peel and one or more seeds (such as chestnuts, almonds and macadamia nuts). Nuts can be divided into herbaceous seed nuts and woody nuts. Currently, in the nut processing industry, nut screening is an indispensable link. The inferior fruits with surface or internal defects in the nut production process are screened out to improve the quality of the product. However, it is difficult for existing nut sorting devices to detect and screen the surface or interior of the nuts at the same time, and the screening accuracy is low and the efficiency is low, resulting in the finished products often being mixed with empty shell nuts, affecting the quality of the product. Utility Model Content

[0003] The utility model aims to provide a flat-throwing material sorting and rejecting machine to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flat-throwing material sorting and rejecting machine, comprising a frame, a plurality of support frames are provided at the bottom of the frame, a sorting cavity is provided in the middle of the frame, a feed port is provided at the top of the frame connected to the sorting cavity, a conveying component is provided on one side of the feed port, a feeding component is provided on one side of the top of the conveying component, an identification component and a plurality of detection components are provided in the frame, a dividing rack is provided at the bottom of the sorting cavity, and a rejecting component is provided on the top of the dividing rack.

[0005] Preferably, the conveying assembly includes a conveying frame provided on one side of the feed port, a fixed plate is provided on one side of the bottom of the conveying frame, an electric roller is provided on the inner end of the fixed plate, a roller is provided on the outer end of the fixed plate, the electric roller and the roller are connected through a conveyor belt transmission, a material baffle plate is symmetrically provided on the top of the conveyor belt, a plurality of handles are symmetrically provided on the side wall of the conveying frame, and a plurality of waist-shaped holes are symmetrically provided on the bottom of the conveying frame.

[0006] Preferably, the feeding assembly includes a feed hopper provided on the top of the conveying frame away from the conveyor belt side, a material guide frame is provided at the bottom of the feed hopper, a partition is movably provided in the middle of the feed hopper and the material guide frame, a material guide plate docking with the conveyor belt is provided at the bottom of the material guide frame, an adjustment plate is provided at the bottom of the material guide frame close to the conveyor belt side, and a vibration disk is provided at the bottom of the material guide plate.

[0007] Preferably, the identification component comprises a fixing frame symmetrically arranged in the frame, TDI cameras are arranged on the top of the fixing frames on both sides, and a collimator is arranged on one side of the sorting cavity to face the lens of the TDI camera.

[0008] Preferably, the detection component comprises a plurality of industrial cameras dispersedly arranged in the frame, the frame is provided with a linear light source on one side of the industrial camera, and the side wall of the sorting cavity is provided with glass corresponding to the linear light source.

[0009] Preferably, the bottom of the glass is provided with a module, the module is provided with a connecting frame, and the connecting frame is provided with a scraping plate for scraping dust off the glass surface.

[0010] Preferably, electrical units are provided on both sides of the frame, a plurality of cabinet doors are hingedly provided on the sides of the frame, a display screen is provided on one side of the cabinet door, and a plurality of function buttons are provided at the bottom of the display screen.

[0011] Preferably, the rejection component includes an air guide frame provided on the top of the material distribution frame, precision slides are provided on both sides of the air guide frame, an air guide hole is provided in the middle of the air guide frame, an air gun is provided on one side of the air guide frame, and a plurality of exhaust holes are linearly provided at one end of the air gun, each of the exhaust holes is connected to the air guide hole through a solenoid valve, an air pipe is connected to the end of the air guide hole, the air pipe is connected to an air filter, and the air filter is connected to an air supply device.

[0012] Preferably, a foot cup is threadedly connected to the bottom of the support frame.

[0013] Preferably, a rejecting port and a collecting port are provided at the bottom of the material distribution rack, and a guide plate is provided in the middle of the material distribution rack.

[0014] Beneficial effects of the utility model:

[0015] 1. Pour the nuts to be screened into the feed hopper, and guide the nuts on the top of the guide plate to the top of the conveyor belt through the vibrating plate, and then guide the nuts to the sorting chamber through the conveyor belt, so that the nuts fall from the top of the sorting chamber to the side of the bottom dividing rack in a horizontal motion. During the falling process of the nuts, three dispersed industrial cameras are used to capture all aspects of the image of the impurities or the appearance of the nuts. At the same time, the impurities or the internal flesh of the nuts are identified by the TDI camera. When the industrial camera or TDI camera detects impurities or incomplete nuts, the solenoid valve is controlled to supply air to the exhaust hole on the same side, and then the impurities or inferior fruits falling to this side are blown to the side of the rejection port of the dividing rack, thereby improving the accuracy of rejecting impurities or inferior fruits. The excellent fruits fall to the side of the collection port of the dividing rack, and the impurities and incomplete inferior fruits existing in the nut production process are screened out, thereby improving the screening rate of nuts and the quality of products.

[0016] 2. By pushing and pulling the partition, the size of the opening connecting the feed hopper and the guide frame is adjusted, and the number of nuts falling into the guide plate is controlled. At the same time, the vibration plate is started to vibrate the nuts falling on the guide plate and transport them to the top of the conveyor belt, thereby realizing rapid feeding of nuts and improving the screening rate of nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a three-dimensional structure from a first viewing angle of an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of a second perspective three-dimensional structure of an embodiment of the utility model;

[0019] Figure 3 It is a front cross-sectional view of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the frame in the embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of a three-dimensional structure from a first perspective in an embodiment of the utility model without the door;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure from a second perspective in the embodiment of the utility model without the box door;

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the conveying component and the feeding component in the embodiment of the utility model;

[0024] Figure 8 It is a cross-sectional three-dimensional structural schematic diagram of the conveying assembly and the feeding assembly in the embodiment of the utility model;

[0025] Fig. 9 It is a schematic diagram of a sectional three-dimensional structure of a removal component in an embodiment of the utility model;

[0026] Fig.10 This is a schematic diagram of the three-dimensional structure of the material distribution rack in the embodiment of the utility model;

[0027] Fig.11 This is a schematic diagram of the enlarged structure of point A of an embodiment of the utility model.

[0028] In the figure: 1. Frame; 2. Support frame; 3. Sorting chamber; 4. Feeding port; 5. Conveying assembly; 51. Conveying frame; 52. Fixing plate; 53. Electric roller; 54. Roller; 55. Conveyor belt; 56. Baffle plate; 57. Handle; 58. Waist-shaped hole; 6. Feeding assembly; 61. Feeding hopper; 62. Guide frame; 63. Partition; 64. Guide plate; 65. Adjustment plate; 66. Vibrating plate; 7. Identification assembly; 71. Fixing frame; 72. TDI camera; 73. Collimator; 8. Detection assembly; 81. Industrial camera ; 82. Linear light source; 83. Glass; 9. Rejection component; 91. Air guide frame; 92. Precision slide; 93. Air guide hole; 94. Air gun; 95. Exhaust hole; 96. Solenoid valve; 97. Air pipe; 98. Air filter; 10. Material distribution rack; 101. Rejection port; 102. Collection port; 103. Guide plate; 11. Module; 12. Connecting frame; 13. Scraper board; 14. Electrical unit; 15. Box door; 16. Display screen; 17. Function button; 18. Foot cup; 19. Shockproof pad; 20. Main power socket. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 11The utility model provides a flat-throw material sorting and rejecting machine, including a frame 1, a plurality of support frames 2 are arranged at the bottom of the frame 1, a sorting cavity 3 is arranged in the middle of the frame 1, a feed port 4 is arranged at the top of the frame 1 communicating with the sorting cavity 3, a conveying component 5 is arranged on one side of the feed port 4, a feed component 6 is arranged on one side of the top of the conveying component 5, an identification component 7 and a plurality of detection components 8 are arranged in the frame 1, a material distribution frame 10 is arranged at the bottom of the sorting cavity 3, a rejecting component 9 is arranged on the top of the material distribution frame 10, nuts to be screened are poured into a feed hopper 61 in the feed component 6, and the nuts are guided to the conveying component 5 through a guide plate 64 at the bottom of the feed component 6 On one side, the nuts are guided to the sorting chamber 3 through the conveying component 5, so that the nuts are thrown horizontally from the top of the sorting chamber 3 and fall to the side of the bottom dividing rack 10. During the falling process, the outer surface of the nuts is detected by a plurality of groups of detection components 8 arranged in a dispersed manner, and the internal flesh of the nuts is identified by the identification component 7. When incomplete nuts and impurities are detected, the exhaust of the rejection component 9 is controlled to blow the inferior fruits and impurities in the falling process to the rejection port 101 side of the dividing rack 10, and the superior fruits fall to the collection port 102 side of the dividing rack 10, so that the incomplete inferior fruits and impurities in the nut production process are screened out, thereby improving the screening rate of nuts and the quality of products.

[0031] like Figure 7 As shown, specifically, the conveying assembly 5 includes a conveying frame 51 provided on one side of the feed port 4, a fixed plate 52 is provided on one side of the bottom of the conveying frame 51, an electric roller 53 is provided on the inner end of the fixed plate 52, and a roller 54 is provided on the outer end of the fixed plate 52, the electric roller 53 and the roller 54 are connected through a conveyor belt 55, and a baffle plate 56 is symmetrically provided on the top of the conveyor belt 55. A plurality of handles 57 are symmetrically provided on the side wall of the conveying frame 51, and a plurality of waist-shaped holes 58 are symmetrically provided on the bottom of the conveying frame 51. The conveying frame 51 is fixedly installed on one side of the frame 1 through the waist-shaped holes 58, and then the conveying frame 51 is moved by the handle 57 to adjust its installation position, the electric roller 53 is started and its rotation speed is adjusted, thereby driving the conveyor belt 55 to rotate, and the nuts transported on the top thereof are guided to the side of the sorting chamber 3, so that the fallen nuts can fall on the side of the collecting port 102 of the dividing frame 10, and then the screened excellent fruits are collected.

[0032] like Figure 8As shown, specifically, the feeding assembly 6 includes a feeding hopper 61 provided on the top of the conveying frame 51 away from the conveyor belt 55, a guide frame 62 is provided at the bottom of the feeding hopper 61, a partition 63 is movable in the middle of the feeding hopper 61 and the guide frame 62, a guide plate 64 docking with the conveyor belt 55 is provided at the bottom of the guide frame 62, an adjusting plate 65 is provided at the bottom of the guide frame 62 close to the conveyor belt 55, and a vibration disk 66 is provided at the bottom of the guide plate 64. By pushing and pulling the partition 63, the size of the opening connecting the feeding hopper 61 and the guide frame 62 is adjusted, and the number of nuts falling into the guide plate 64 is regulated. At the same time, the vibration disk 66 is started to vibrate and transport the nuts falling on the guide plate 64 to the top of the conveyor belt 55, thereby realizing rapid feeding of nuts and improving the screening rate of nuts.

[0033] Specifically, the frame 1 is provided with a plurality of shock-absorbing pads 19 at the bottom of the vibration plate 66, and the shock-absorbing pads 19 are used to buffer and shock-proof the base of the vibration plate 66, thereby improving the stability of material transmission.

[0034] Specifically, the rack 1 is provided with a main power socket 20 on one side of the conveyor rack 51 for connecting an external power source to power the device.

[0035] like Figure 5 and Figure 6 As shown, specifically, the identification component 7 includes a fixing frame 71 symmetrically arranged in the frame 1, and TDI cameras 72 are arranged on the top of the fixing frames 71 on both sides. A collimator 73 is arranged on one side of the sorting chamber 3 to face the lens of the TDI camera 72. When the nuts are guided to the sorting chamber 3 for horizontal parachuting motion, the nuts in the horizontal parachuting motion are continuously imaged and output through the TDI camera 72, and the irradiation field of the X-rays is suppressed through the collimator 73 to improve the clarity of the nut imaging, thereby realizing the detection of the inside of the nuts, and cooperating with the rejection component 9 to screen out nuts with internal defects.

[0036] Specifically, the detection component 8 includes a plurality of industrial cameras 81 dispersedly arranged in the frame 1, and a linear light source 82 is provided on one side of the industrial camera 81 of the frame 1, and a glass 83 is provided on the side wall of the sorting chamber 3 corresponding to the linear light source 82. The linear light source 82 allows light to pass through the glass 83 to illuminate the scanning area in the sorting chamber 3 corresponding to the industrial camera 81, thereby improving the quality of the image captured by the industrial camera 81 and realizing the detection of impurities and the appearance of nuts.

[0037] Specifically, baffles are provided on both sides of the TDI camera 72, and a reflector is provided on the top of the industrial camera 81. The baffles prevent the nuts in horizontal motion from falling to the sides of the material distribution rack 10. By setting the reflector for reflection processing, the industrial camera 81 on this side can easily capture images of objects in the sorting chamber 3, and then the three dispersed industrial cameras 81 can be used to realize comprehensive image capture of impurities and the appearance of nuts.

[0038] Specifically, a module 11 is provided at the bottom of the glass 83, and the module 11 is provided with a connecting frame 12. The connecting frame 12 is provided with a scraping board 13 for scraping dust off the surface of the glass 83. The module 11 is controlled to drive the scraping board 13 to move back and forth, thereby scraping off dust on the glass 83 panel to prevent dust on the surface of the glass 83 from affecting the quality of image acquisition by the industrial camera 81.

[0039] Specifically, electrical units 14 are provided on both sides of the frame 1, and a plurality of cabinet doors 15 are hingedly provided on the sides of the frame 1. A display screen 16 is provided on one side of the cabinet door 15, and a plurality of function buttons 17 are provided at the bottom of the display screen 16. The operation of the equipment is controlled through the electrical unit 14, the equipment status is displayed through the display screen 16, and the equipment is controlled to be in different operating states through a plurality of function buttons 17.

[0040] like Fig. 9 As shown, specifically, the rejection component 9 includes an air guide frame 91 provided on the top of the material distribution frame 10, and precision slides 92 are provided on both sides of the air guide frame 91. An air guide hole 93 is provided in the middle of the air guide frame 91, and an air gun 94 is provided on one side of the air guide frame 91. A plurality of exhaust holes 95 are linearly provided at one end of the air gun 94, and each of the exhaust holes 95 is connected to the air guide hole 93 through a solenoid valve 96. An air pipe 97 is provided at the end of the air guide hole 93, and the air pipe 97 is connected to an air filter 98. The air filter 98 is connected to an air supply device, and the position of the air gun 94 is adjusted by the precision slide 92, so that the air gun 94 can blow air to remove the fallen impurities or inferior fruits. During the removal process, the TDI camera 72 is used to continuously image the objects in horizontal motion, and the falling trajectory and falling time are calculated by an algorithm. When impurities or inferior fruits fall to one side of the air gun 94, the solenoid valve 96 is controlled to supply air to the corresponding exhaust hole 95, and then the impurities or inferior fruits on this side are blown to the side of the removal port 101 for removal and collection.

[0041] Specifically, the product model of the precision slide 92 is XKST50-S.

[0042] Specifically, a foot cup 18 is threadedly connected to the bottom of the support frame 2, and the foot cup 18 is used to adjust the height, horizontality and tilt direction when the equipment is installed.

[0043] like Fig.10As shown, specifically, a rejection port 101 and a collection port 102 are provided at the bottom of the distribution rack 10, and a guide plate 103 is obliquely provided at the middle of the distribution rack 10. The opening sizes of the rejection port 101 and the collection port 102 are adjusted by the guide plate 103, so that the air gun 94 can smoothly blow impurities or inferior fruits to the rejection port 101, while excellent fruits can fall into the collection port 102.

[0044] The working principle of the utility model is as follows: when in use, the nuts to be screened are poured into the feed hopper 61, and the nuts on the top of the guide plate 64 are guided to the top of the conveyor belt 55 by the vibrating plate 66, and then the nuts are guided to the sorting chamber 3 by the conveyor belt 55, so that the nuts are thrown horizontally from the top of the sorting chamber 3 to the side of the bottom material dividing rack 10. During the falling process of the nuts, the three dispersedly arranged industrial cameras 81 are used to realize the image collection of all aspects of the impurities or the appearance of the nuts, and the impurities or the nuts are captured by the TDI camera 72. The internal flesh of the fruit is identified. When the industrial camera 81 or the TDI camera 72 detects impurities or broken nuts, the solenoid valve 96 is controlled to supply air to the exhaust hole 95 on the same side, and then the impurities or inferior fruits falling to this side are blown to the rejection port 101 side of the dividing rack 10, thereby improving the accuracy of removing impurities or inferior fruits, and the high-quality fruits fall to the collection port 102 side of the dividing rack 10, and finally the impurities and broken inferior fruits existing in the nut production process are screened out, thereby improving the screening rate of nuts and the quality of products.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flat-throw material sorting and rejecting machine, comprising a frame (1), wherein a plurality of support frames (2) are provided at the bottom of the frame (1), and characterized in that: A sorting chamber (3) is provided in the middle of the frame (1); a feed port (4) is provided at the top of the frame (1) and is connected to the sorting chamber (3); a conveying component (5) is provided on one side of the feed port (4); a feed component (6) is provided on one side of the top of the conveying component (5); an identification component (7) and a plurality of detection components (8) are provided in the frame (1); a sorting rack (10) is provided at the bottom of the sorting chamber (3); and a rejection component (9) is provided on the top of the sorting rack (10).

2. According to claim 1, a flat-throw material sorting and rejecting machine is characterized in that: The conveying assembly (5) comprises a conveying frame (51) provided on one side of the feed port (4), a fixing plate (52) provided on one side of the bottom of the conveying frame (51), a motorized roller (53) provided on the inner end of the fixing plate (52), a roller (54) provided on the outer end of the fixing plate (52), the motorized roller (53) and the roller (54) being connected by a conveyor belt (55), a material blocking plate (56) being symmetrically provided on the top of the conveyor belt (55), a plurality of handles (57) being symmetrically provided on the side wall of the conveying frame (51), and a plurality of waist-shaped holes (58) being symmetrically provided on the bottom of the conveying frame (51).

3. According to claim 2, a flat-throw material sorting and rejecting machine is characterized in that: The feeding assembly (6) comprises a feeding hopper (61) provided at the top of the conveying frame (51) away from the conveyor belt (55), a material guide frame (62) provided at the bottom of the feeding hopper (61), a partition plate (63) movable between the feeding hopper (61) and the material guide frame (62), a material guide plate (64) docking with the conveyor belt (55) provided at the bottom of the material guide frame (62), an adjustment plate (65) provided at the bottom of the material guide frame (62) close to the conveyor belt (55), and a vibration plate (66) provided at the bottom of the material guide plate (64).

4. According to claim 1, a flat-throw material sorting and rejecting machine is characterized in that: The identification component (7) comprises a fixing frame (71) symmetrically arranged in the frame (1), TDI cameras (72) are arranged on the top of the fixing frames (71) on both sides, and a collimator (73) is arranged on one side of the sorting chamber (3) to face the lens of the TDI camera (72).

5. According to claim 1, a flat-throw material sorting and rejecting machine is characterized in that: The detection assembly (8) comprises a plurality of industrial cameras (81) dispersedly arranged in the frame (1), the frame (1) being provided with a linear light source (82) on one side of the industrial camera (81), and a glass (83) being provided on a side wall of the sorting cavity (3) corresponding to the linear light source (82).

6. According to claim 5, a flat-throw material sorting and rejecting machine is characterized in that: The bottom of the glass (83) is provided with a module (11), the module (11) is provided with a connecting frame (12), and the connecting frame (12) is provided with a scraping plate (13) for scraping dust off the surface of the glass (83).

7. The flat-throw material sorting and rejecting machine according to claim 1, characterized in that: Electrical units (14) are provided on both sides of the frame (1), and a plurality of cabinet doors (15) are hingedly provided on the sides of the frame (1). A display screen (16) is provided on one side of the cabinet door (15), and a plurality of function buttons (17) are provided at the bottom of the display screen (16).

8. The flat-throw material sorting and rejecting machine according to claim 1, characterized in that: The rejection assembly (9) comprises an air guide frame (91) provided on the top of the material distribution frame (10), precision slides (92) are provided on both sides of the air guide frame (91), an air guide hole (93) is provided in the middle of the air guide frame (91), an air gun (94) is provided on one side of the air guide frame (91), and a plurality of exhaust holes (95) are linearly provided at one end of the air gun (94), each of the exhaust holes (95) is connected to the air guide hole (93) through a solenoid valve (96), an air pipe (97) is provided at the end of the air guide hole (93), the air pipe (97) is connected to an air filter (98), and the air filter (98) is connected to an air supply device.

9. The flat-throw material sorting and rejecting machine according to claim 1, characterized in that: A foot cup (18) is threadedly connected to the bottom of the support frame (2).

10. The flat-throw material sorting and rejecting machine according to claim 1, characterized in that: The bottom of the material distribution rack (10) is provided with a rejection port (101) and a collection port (102), and the middle of the material distribution rack (10) is provided with a guide plate (103).