High-starch corn grading sorting device for screening fungaltoxin degrading bacteria

Abstract

The invention discloses a high-starch corn grading sorting device for mycotoxin degrading bacterium screening, and relates to the technical field of degrading bacterium screening. The treatment box is fixed on the left side of the base through a plurality of No.1 supporting legs; a feeding hopper penetrates through the top of the treatment box; the upper part of the treatment box is of a square structure, and the lower part of the treatment box is of a circular structure; the crushing mechanism is arranged at the upper part of the treatment box; the sieving mechanism is arranged in the middle of the treatment box; the mixing mechanism is arranged at the bottom of the treatment box; the connecting disc is arranged on the right side of the treatment box; a split charging mechanism and a cover covering mechanism are arranged on the connecting disc; microbial contamination in the disinfection cover is effectively eliminated, and the accuracy and reliability of experimental results are ensured; efficient treatment of corn raw materials is achieved, the problem of raw material accumulation is avoided, and the overall treatment efficiency is remarkably improved; fine screening of corn raw materials is achieved, manual intervention is greatly reduced, and a reliable guarantee is provided for subsequent experiments.

Description

Technical Field

[0001] The invention relates to the technical field of degradation bacteria screening, and in particular to a high-starch corn grading and selection device for screening mycotoxin-degrading bacteria. Background Art

[0002] High-starch corn is susceptible to mycotoxin contamination during postharvest processing, which not only affects corn quality but can also pose a risk to human health. Traditional mycotoxin degradation methods are inefficient and costly, requiring separate steps such as screening, mixing, packaging, and capping, which are constantly exposed to air and pose a challenge to maintaining sanitary conditions. Therefore, a high-starch corn grading and selection device for screening mycotoxin-degrading bacteria was proposed. Summary of the Invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a high-starch corn grading and selection device for screening fungal toxin-degrading bacteria, which effectively eliminates microbial contamination in the disinfection cover and ensures the accuracy and reliability of the experimental results; realizes efficient processing of corn raw materials, avoids the problem of raw material accumulation, and significantly improves the overall processing efficiency; realizes fine screening of corn raw materials, greatly reduces manual intervention and provides reliable guarantee for subsequent experiments.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: it comprises a base; It also contains: Sterilization mechanism, the sterilization mechanism is arranged on the base; The processing box is fixed to the left side of the base through a number of No. 1 legs; the top of the processing box is connected through a feed hopper; the upper part of the processing box is a square structure, and the lower part of the processing box is a circular structure; A crushing mechanism, wherein the crushing mechanism is arranged on the upper part of the processing box; A screening mechanism, wherein the screening mechanism is arranged in the middle of the processing box; A mixing mechanism, wherein the mixing mechanism is arranged at the bottom of the processing box; The connecting plate is fixed to the base through a plurality of No. 2 legs and is located on the right side of the processing box; the connecting plate is provided with a sub-packaging mechanism and a cover mechanism; Through the above technical solution design, the sterilization mechanism sterilizes the inside of the device, the corn raw material is put into the processing box, the crushing mechanism crushes the corn raw material, the screening mechanism screens out the crushed raw material, and external sterile water is introduced through the mixing mechanism for mixing. The mixed liquid is packaged and covered with a lid to facilitate the screening operation.

[0005] Preferably, the sterilization mechanism comprises: A disinfection cover is fixed on the base, and the processing box is arranged in the disinfection cover; The cover body is arranged on the left side of the top of the disinfection cover; the cover body is arranged above the feed hopper; The door body is arranged on the right side of the front side wall of the disinfection cover; the door body is arranged in front of the subpackaging mechanism and the covering mechanism; An air sterilizing device is fixed to the disinfection cover; the air sterilizing device is connected to an external power supply; the air inlet and air outlet of the air sterilizing device are both connected to the disinfection cover through an air guide tube, and the air guide tube at the air inlet is longer than the air guide tube at the air outlet; Through the above technical solution design, the air sterilization device is started to circulate the air in the disinfection cover, and the air is sterilized to avoid affecting the degradation bacteria.

[0006] Preferably, the crushing mechanism comprises: The rolling roller is arranged in the processing box; the bottom of the rolling roller is provided with two front and rear plug-ins, which are respectively inserted into the front and rear side walls of the processing box; the front and rear ends of the rolling roller are screwed to a No. 1 movable frame through a shaft and a bearing, and baffle strips are provided at the front and rear of the rolling roller, and the bottom of the No. 1 movable frame is mounted on the baffle strip; a No. 1 movable screw is screwed in the No. 1 movable frame through a threaded connection, and the No. 1 movable screw is screwed through the processing box through a bearing; the No. 1 movable motor is fixed to the left side wall of the processing box, and the No. 1 movable motor is connected to an external power supply; the output shaft of the No. 1 movable motor is connected to the left end of the No. 1 movable screw; There are two electric push rods No. 1, which are fixed to the front and rear side walls of the processing box respectively. The electric push rods No. 1 are connected to an external power supply. The movable end of the electric push rod No. 1 is connected to the plug plate through a connecting rod No. 1. Push plates, there are two of them, and they are respectively arranged on the left and right sides of the rolling roller, and the bottoms of the front and rear side walls of the push plates are embedded in the baffle strip; a No. 2 movable frame is fixed to the push plate, and a No. 2 movable screw is screwed on the No. 2 movable frame through a threaded connection, and the two No. 2 movable screws are respectively arranged above and below the No. 1 movable screw; the No. 1 movable motor is respectively arranged above and below the No. 2 movable motor, and the No. 2 movable motor is fixed to the left side wall of the processing box, and the No. 2 movable motor is connected to an external power supply; the output shaft of the No. 2 movable motor is connected to the left end of the No. 1 movable screw; Through the above technical solution design, corn raw materials are put into the feed hopper, and the No. 1 moving motor is started to move the No. 1 moving frame, driving the rolling roller to move back and forth; the No. 2 moving motor is indirectly started to move the No. 2 moving frame, driving the push plate to move, so that the corn raw materials piled on the left and right edges are pushed to the middle position for rolling, thereby improving the efficiency of rolling; after the rolling is completed, the No. 1 electric push rod is started to pull out the insert plate, so that the rolled raw materials fall down.

[0007] Preferably, the triangular shielding frame is fixed in the processing box, and the triangular shielding frame is arranged above the first moving screw and the second moving screw; Through the above technical solution design, the triangular shielding frame prevents the corn raw materials from getting stuck in the threads of the No. 1 moving screw and the No. 2 moving screw.

[0008] Preferably, the screening mechanism comprises: The cam is arranged below the inserting plate; a first rotating shaft is fixedly inserted into the cam, and the first rotating shaft is screwed to the processing box through a bearing; A rotating motor, the rotating motor being fixed to the front side wall of the processing box and connected to an external power source; an output shaft of the rotating motor being connected to the front end of the first rotating shaft; The screen is arranged at the bottom of the cam; the front end of the screen is movably inserted into the processing box; Through the above technical solution design, the crushed corn raw material falls on the screen, and the rotating motor is started to rotate the cam to drive the screen to vibrate, so that the corn raw material passes through the screen and falls; after use, the screen is pulled out and the residue on the screen is processed.

[0009] Preferably, slide bars are fixed on the left and right side walls of the screen, and slide rails are movably inserted on the outer sides of the slide bars, and the slide rails are fixed on the inner side walls of the processing box; Through the above technical solution design, the slide rail helps to pull out the screen.

[0010] Preferably, the mixing mechanism comprises: The nozzle is located at the bottom of the treatment box, below the screen, and connected to an external sterile water source; A mixing motor is fixed to the bottom of the processing box and is connected to an external power source; a second rotating shaft is connected to the output shaft of the mixing motor, and the second rotating shaft is screwed through the bottom of the processing box via a bearing; Stirring rods, the number of which is several and which are respectively distributed in a ring shape and fixed on the second rotating shaft; A water pump is fixed to the annular wall of the treatment box and is connected to an external power supply; the water inlet of the water pump is passed through the treatment box through a No. 1 water pipe, and the water outlet of the water pump is connected to a No. 2 water pipe; Through the above technical solution design, the corn raw material is sieved and falls to the bottom of the processing box, the mixing motor is started, sterile water is introduced, and the sterile water and the corn raw material are mixed; after the mixing is completed, the water pump is started to pump out the mixed liquid.

[0011] Preferably, the packaging mechanism comprises: A first turntable, wherein the first turntable is embedded in the connecting disk via a bearing; The subassembly motor is fixed to the bottom of the connecting plate, and the output shaft of the subassembly motor is connected to the first turntable after being rotated through the shaft and the bearing and passing through the connecting plate; the subassembly motor is connected to the external power supply; There are several limiting rings, which are respectively distributed in a ring shape and fixed on the first turntable; a culture dish is placed in the limiting ring; Through the above technical solution design, the filling motor is started to rotate the No. 1 turntable, which drives the limit ring to rotate, so that the culture dishes are respectively placed under the No. 2 water pipe, and the mixed liquid is filled on the culture dishes.

[0012] Preferably, the covering mechanism comprises: A second turntable, which is embedded in the first turntable and is located on the right side of the first turntable; The cover motor is fixed to the bottom of the connecting plate, and the output shaft of the cover motor is connected to the second turntable after being rotated through the shaft and the bearing. The cover motor is connected to the external power supply; The second electric push rod is a plurality of electric push rods, and the number of the electric push rods is respectively distributed in a ring shape and fixed on the second turntable; the second electric push rod is connected to an external power supply; A second connecting rod, which is a plurality of connecting rods and is in a broken line shape. The second connecting rod is fixed to the movable end of the second electric push rod; Electromagnets, there are several electromagnets, each of which is fixed to the bottom of the second connecting rod and is connected to an external power supply; Cover plates, the number of which is several, each of which is provided with a magnet, which is magnetically attracted to the electromagnet; Through the above technical solution design, the covering motor is started to rotate the cover plate onto the culture dish after packaging, and the electromagnet is disconnected so that the cover plate is covered on the culture dish; after the covering is completed, the door body is opened to take out the culture dish for subsequent operations.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Through internal circulation and aseptic treatment, the microbial contamination in the disinfection cover is effectively eliminated, providing a highly clean environment for the screening of degrading bacteria and ensuring the accuracy and reliability of the experimental results; 2. It achieves efficient processing of corn raw materials, avoids the problem of raw material accumulation, and significantly improves the overall processing efficiency; 3. It not only realizes the fine screening of corn raw materials, but also effectively prevents the screen from being blocked, ensuring the smoothness of raw material screening and the screening effect; 4. It realizes the quantitative packaging of mixed liquid and sterile sealing of culture dishes, greatly reduces manual intervention, improves the standardization and consistency of operations, and provides reliable guarantee for subsequent experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0016] Figure 3 yes Figure 2 Enlarged view of part A in .

[0017] Figure 4 It is a structural schematic diagram of the crushing mechanism in the processing box of the present invention.

[0018] Figure 5 It is a structural schematic diagram of the screening mechanism in the processing box of the present invention.

[0019] Figure 6 It is a structural schematic diagram of the mixing mechanism in the processing box of the present invention.

[0020] Figure 7 It is a structural schematic diagram of the packaging mechanism in the present invention.

[0021] Figure 8 It is a structural diagram of the cover mechanism in the present invention.

[0022] Description of reference numerals: Base 1, sterilization mechanism 2, disinfection cover 2-1, cover 2-2, door 2-3, air sterilization device 2-4, processing box 3, support leg No. 1 4, feed hopper 5, crushing mechanism 6, crushing roller 6-1, insert plate 6-2, mobile frame No. 1 6-3, baffle bar 6-4, mobile screw No. 1 6-5, mobile motor No. 1 6-6, electric push rod No. 1 6-7, connecting rod No. 1 6-8, push plate 6-9, mobile frame No. 2 6-10, mobile screw No. 2 6-11, mobile motor No. 2 6-12, triangular shielding frame 6-13, screening mechanism 7, cam 7-1, rotating shaft No. 1 7-2, rotating motor 7-3, screen 7-4, slide bar 7-5, slide rail 7-6, mixing mechanism 8, nozzle 8-1, mixing motor 8-2, No. 2 rotating shaft 8-3, stirring rod 8-4, water pump 8-5, No. 1 water pipe 8-6, No. 2 water pipe 8-7, connecting plate 9, filling mechanism 10, No. 1 turntable 10-1, filling motor 10-2, limit ring 10-3, culture dish 10-4, covering mechanism 11, No. 2 turntable 11-1, covering motor 11-2, No. 2 electric push rod 11-3, No. 2 connecting rod 11-4, electromagnet 11-5, cover plate 11-6. DETAILED DESCRIPTION

[0023] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments described are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0024] This specific implementation adopts the following technical solutions: Example 1: See also Figure 1-2 , this embodiment 1 includes a base 1; It also contains: Sterilization mechanism 2, the sterilization mechanism 2 is arranged on the base 1; The processing box 3 is fixed to the left side of the base 1 by a number of No. 1 legs 4; the top of the processing box 3 is connected through a feed hopper 5; the upper part of the processing box 3 is a square structure, and the lower part of the processing box 3 is a circular structure; A crushing mechanism 6 is provided on the upper portion of the processing box 3; The screening mechanism 7 is provided in the middle of the processing box 3; A mixing mechanism 8, wherein the mixing mechanism 8 is provided at the bottom of the processing box 3; The connecting plate 9 is fixed to the base 1 through several No. 2 legs and is arranged on the right side of the processing box 3; the connecting plate 9 is provided with a subpackaging mechanism 10 and a cover mechanism 11; In Example 1, the sterilization mechanism 2 sterilizes the inside of the device, the corn raw material is put into the processing box 3, the crushing mechanism 6 crushes the corn raw material, the screening mechanism 7 screens out the crushed raw material, and the external sterile water is introduced through the mixing mechanism 8 for mixing. The mixed liquid is packaged and covered with a lid to facilitate the screening operation. Example 2: See also Figure 1-2 On the basis of Example 1, the sterilization mechanism 2 comprises: The disinfection cover 2-1 is fixed on the base 1, and the processing box 3 is arranged in the disinfection cover 2-1; The cover 2-2 is located on the top left side of the disinfection cover 2-1; the cover 2-2 is located above the feed hopper 5; The door body 2-3 is arranged on the right side of the front side wall of the disinfection cover 2-1; the door body 2-3 is arranged in front of the packaging mechanism 10 and the covering mechanism 11; An air sterilizing device 2-4 is fixed to the disinfection cover 2-1; the air sterilizing device 2-4 is connected to an external power supply, and the specific model of the air sterilizing device 2-4 is purchased and installed directly from the market according to actual use requirements; the air inlet and air outlet of the air sterilizing device 2-4 are both connected to the disinfection cover 2-1 through an air duct, and the air duct at the air inlet is longer than the air duct at the air outlet; In this embodiment, the air sterilizing device 2-4 is started to circulate the air in the disinfection cover 2-1 and to sterilize the air to avoid affecting the degradation bacteria. Example 3: See also Figure 4 On the basis of embodiment 1, the crushing mechanism 6 comprises: The rolling roller 6-1, the rolling roller 6-1 is arranged in the processing box 3; the bottom of the rolling roller 6-1 is provided with two front and rear plug-ins 6-2, and the front and rear two plug-ins 6-2 are respectively inserted into the front and rear side walls of the processing box 3; the front and rear ends of the rolling roller 6-1 are screwed to the No. 1 movable frame 6-3 through shafts and bearings, and the front and rear of the rolling roller 6-1 are provided with baffle strips 6-4, and the bottom of the No. 1 movable frame 6-3 is mounted on the baffle strip 6-4; the No. 1 movable frame 6-3 is screwed with a No. 1 movable screw 6-5 through a threaded connection, and the No. 1 movable screw 6-5 is screwed through the processing box 3 through a bearing; the No. 1 movable motor 6-6 is fixed to the left side wall of the processing box 3 by bolts, and the No. 1 movable motor 6-6 is connected to an external power supply. The specific model of the No. 1 movable motor 6-6 is purchased and installed directly from the market according to actual usage requirements; the output shaft of the No. 1 movable motor 6-6 is connected to the left end of the No. 1 movable screw 6-5; No. 1 electric push rod 6-7, the number of the No. 1 electric push rod 6-7 is two, and they are respectively fixed to the front and rear side walls of the processing box 3 by bolts. The No. 1 electric push rod 6-7 is connected to the external power supply. The specific model of the No. 1 electric push rod 6-7 is directly purchased and installed on the market according to actual use requirements; the movable end of the No. 1 electric push rod 6-7 is connected to the plugboard 6-2 through the No. 1 connecting rod 6-8; Push plates 6-9, there are two push plates 6-9, which are respectively arranged on the left and right of the rolling roller 6-1, and the bottom of the front and rear side walls of the push plates 6-9 are embedded in the baffle strip 6-4; a No. 2 movable frame 6-10 is fixed to the push plate 6-9 by bolts, and a No. 2 movable screw 6-11 is screwed on the No. 2 movable frame 6-10, and the two No. 2 movable screws 6-11 are respectively arranged above and below the No. 1 movable screw 6-5; the No. 1 movable motor 6-6 is respectively arranged on the No. 2 movable motor 6-12 above and below, and the No. 2 movable motor 6-12 is fixed to the left side wall of the processing box 3 by bolts, and the No. 2 movable motor 6-12 is connected to an external power supply. The specific model of the No. 2 movable motor 6-12 is directly purchased and installed from the market and used according to actual use requirements; the output shaft of the No. 2 movable motor 6-12 is connected to the left end of the No. 1 movable screw 6-5; Triangular shielding frame 6-13, the triangular shielding frame 6-13 is fixed in the processing box 3, and the triangular shielding frame 6-13 is provided above the first moving screw 6-5 and the second moving screw 6-11; According to this embodiment, corn raw materials are fed from the feed hopper 5, and the No. 1 moving motor 6-6 is started to move the No. 1 moving frame 6-3, driving the rolling roller 6-1 to move back and forth; the No. 2 moving motor 6-12 is indirectly started to move the No. 2 moving frame 6-10, driving the push plate 6-9 to move, so that the corn raw materials piled on the left and right edges are pushed to the middle position for rolling, thereby improving the efficiency of rolling; after the rolling is completed, the No. 1 electric push rod 6-7 is started to pull out the insert plate 6-2, so that the rolled raw materials fall down. Example 4: See also Figure 5 On the basis of Example 3, the screening mechanism 7 comprises: Cam 7-1, the cam 7-1 is provided below the insert plate 6-2; a first rotating shaft 7-2 is fixedly inserted into the cam 7-1, and the first rotating shaft 7-2 is screwed to the processing box 3 through a bearing; Rotating motor 7-3, the rotating motor 7-3 is fixed to the front side wall of the processing box 3 by bolts, and the rotating motor 7-3 is connected to an external power supply. The specific model of the rotating motor 7-3 is directly purchased and installed from the market according to actual use requirements; the output shaft of the rotating motor 7-3 is connected to the front end of the first rotating shaft 7-2; Screen 7-4, the screen 7-4 is provided at the bottom of the cam 7-1; the front end of the screen 7-4 is movably inserted into the processing box 3; the left and right side walls of the screen 7-4 are fixed with slide bars 7-5 by bolts, and the outer side of the slide bar 7-5 is movably inserted with a slide rail 7-6, which is fixed to the inner wall of the processing box 3; In this embodiment, the crushed corn raw material falls on the screen 7-4, and the rotating motor 7-3 is started to rotate the cam 7-1 and drive the screen 7-4 to vibrate, so that the corn raw material passes through the screen and falls; after use, the screen 7-4 is pulled out and the residue on the screen 7-4 is processed. Example 5: See also Figure 6 On the basis of Example 4, the mixing mechanism 8 comprises: The nozzle 8-1 is provided at the lower part of the treatment box 3, the nozzle 8-1 is provided below the screen 7-4, and the nozzle 8-1 is connected to an external sterile water source; The hybrid motor 8-2 is fixed to the bottom of the processing box 3 by bolts. The hybrid motor 8-2 is connected to an external power source. The specific model of the hybrid motor 8-2 is purchased and installed directly from the market according to actual use requirements. The output shaft of the hybrid motor 8-2 is connected to the second rotating shaft 8-3. The second rotating shaft 8-3 is screwed through the bottom of the processing box 3 by a bearing. Stirring rods 8-4, there are several stirring rods 8-4, and they are respectively distributed in a ring shape and fixed on the second rotating shaft 8-3; Water pump 8-5, the water pump 8-5 is fixed to the annular wall of the treatment box 3 by bolts, the water pump 8-5 is connected to an external power supply, and the specific model of the water pump 8-5 is purchased directly from the market and installed and used according to actual use requirements; the water inlet end of the water pump 8-5 is passed through the treatment box 3 through the first water pipe 8-6, and the water outlet end of the water pump 8-5 is connected to the second water pipe 8-7; In this embodiment, the corn raw material is sieved and falls to the bottom of the processing box 3, the mixing motor 8-2 is started, sterile water is introduced, and the sterile water and the corn raw material are mixed; after the mixing is completed, the water pump 8-5 is started to pump out the mixed liquid. Example 6: See also Figure 7 On the basis of Example 5, the packaging mechanism 10 comprises: The first turntable 10-1 is embedded in the connecting disk 9 through a bearing; The sub-assembly motor 10-2 is fixed to the bottom of the connecting plate 9 by bolts. The output shaft of the sub-assembly motor 10-2 is connected to the first turntable 10-1 after being screwed through the connecting plate 9 by the shaft and the bearing. The sub-assembly motor 10-2 is connected to the external power supply. The specific model of the sub-assembly motor 10-2 is purchased and installed directly from the market according to the actual use requirements. The limiting rings 10-3 are multiple in number and are fixed to the first turntable 10-1 in a circular arrangement by bolts; a culture dish 10-4 is placed in the limiting rings 10-3; In this embodiment, the filling motor 10-2 is started to rotate the No. 1 turntable 10-1, which drives the limit ring 10-3 to rotate, so that the culture dishes 10-4 are respectively located under the No. 2 water pipe 8-7, and the mixed liquid is filled on the culture dishes 10-4. Example 7: See also Figure 3 and 8 On the basis of Example 6, the covering mechanism 11 includes: The second turntable 11-1 is embedded in the first turntable 10-1 and is located on the right side of the first turntable 10-1; The cover motor 11-2 is fixed to the bottom of the connecting plate 9 by bolts. The output shaft of the cover motor 11-2 is connected to the second turntable 11-1 after being screwed through the connecting plate 9 by the shaft and the bearing. The cover motor 11-2 is connected to the external power supply. The specific model of the cover motor 11-2 is purchased and installed directly from the market according to actual use requirements. The second electric push rod 11-3 is a plurality of electric push rods 11-3, and is fixed to the second turntable 11-1 in a circular arrangement by bolts; the second electric push rod 11-3 is connected to an external power supply; the specific model of the second electric push rod 11-3 is purchased and installed directly from the market according to actual use requirements; The second connecting rod 11-4, the number of the second connecting rod 11-4 is several, the second connecting rod 11-4 is a broken line structure, the second connecting rod 11-4 is fixed to the movable end of the second electric push rod 11-3; Electromagnet 11-5, the number of said electromagnet 11-5 is several, and each of them is fixed to the bottom of the second connecting rod 11-4, and the electromagnet 11-5 is connected to an external power supply. The specific model of the electromagnet 11-5 is purchased and installed directly from the market according to actual use requirements; Cover plate 11-6, the number of said cover plates 11-6 is several, and a magnet is provided on the cover plate 11-6, and the magnet is magnetically attracted to the electromagnet 11-5; In this embodiment, the covering motor 11-2 is started, and the cover plate 11-6 is rotated onto the culture dish 10-4 after packaging, and the electromagnet 11-5 is disconnected so that the cover plate 11-6 covers the culture dish 10-4; after the covering is completed, the door body 2-3 is opened to take out the culture dish 10-4 for subsequent operations. When using the present invention, start the air sterilizing device 2-4, circulate the air in the disinfection cover 2-1, and sterilize the air to avoid affecting the degrading bacteria; open the cover 2-2 and put the corn raw material into the feed hopper 5, start the No. 1 moving motor 6-6, so that the No. 1 moving frame 6-3 moves, driving the rolling roller 6-1 to move back and forth; indirectly start the No. 2 moving motor 6-12, so that the No. 2 moving frame 6-10 moves, driving the push plate 6-9 to move, so that the corn raw materials piled on the left and right edges are pushed to the middle position for rolling, thereby improving the efficiency of rolling; after the rolling is completed, start the No. 1 electric push rod 6-7, pull out the insert plate 6-2, and let the rolled raw materials fall; the crushed corn raw materials fall on the screen 7-4, start the rotating motor 7-3, so that the cam 7-1 rotates and drives the screen 7-4 to vibrate, so that the corn raw materials The raw materials are sieved and fall down; the corn raw materials are sieved and fall to the bottom of the processing box 3, and the mixing motor 8-2 is started to introduce sterile water to mix the sterile water with the corn raw materials; after the mixing is completed, the water pump 8-5 is started to extract the mixed liquid; the packaging motor 10-2 is started to rotate the No. 1 turntable 10-1, drive the limit ring 10-3 to rotate, so that the culture dishes 10-4 are respectively under the No. 2 water pipe 8-7, and the mixed liquid is packaged on the culture dishes 10-4; the covering motor 11-2 is started to rotate the cover plate 11-6 to the culture dishes 10-4 after packaging, and the electromagnet 11-5 is disconnected so that the cover plate 11-6 covers the culture dish 10-4; after the covering is completed, the door body 2-3 is opened to take out the culture dish 10-4 for subsequent operations; after use, the screen 7-4 is pulled out and the residue on the screen 7-4 is processed.

[0025] Compared with the prior art, the present invention has the following beneficial effects: 1. Through internal circulation and aseptic treatment, the microbial contamination in the disinfection cover 2-1 is effectively eliminated, providing a highly clean environment for the screening of degrading bacteria, and ensuring the accuracy and reliability of the experimental results; 2. The synergistic effect of the No. 1 mobile motor 6-6 and the rolling roller 6-1, combined with the push plate 6-9 driven by the No. 2 mobile motor 6-12, realizes the efficient processing of corn raw materials, avoids the problem of raw material accumulation, and significantly improves the overall processing efficiency; 3. The rotation of the cam 7-1 drives the high-frequency vibration of the screen 7-4, which not only realizes the fine screening of the corn raw materials, but also effectively prevents the screen 7-4 from being blocked, ensuring the smoothness of the raw material screening and the screening effect; 4. Through the precise control of the filling motor 10-2 and the cover motor 11-2, the quantitative filling of the mixed liquid and the sterile sealing of the culture dish 10-4 are realized, which greatly reduces manual intervention, improves the standardization and consistency of operations, and provides reliable guarantee for subsequent experiments.

[0026] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-starch corn grading and selection device for screening mycotoxin-degrading bacteria, comprising a base (1); It is characterized in that It also contains: A sterilizing mechanism (2), wherein the sterilizing mechanism (2) is arranged on the base (1); A processing box (3), wherein the processing box (3) is fixed to the left side of the base (1) via a plurality of No. 1 legs (4); a feed hopper (5) is connected through the top of the processing box (3); the upper portion of the processing box (3) is a square structure, and the lower portion of the processing box (3) is a circular structure; A crushing mechanism (6), wherein the crushing mechanism (6) is arranged on the upper part of the processing box (3); A screening mechanism (7), wherein the screening mechanism (7) is arranged in the middle of the processing box (3); A mixing mechanism (8), wherein the mixing mechanism (8) is arranged at the bottom of the processing box (3); A connecting plate (9) is fixed to the base (1) via a plurality of No. 2 legs, and the connecting plate (9) is located on the right side of the processing box (3); a subpackaging mechanism (10) and a cover mechanism (11) are provided on the connecting plate (9).

2. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 1, characterized in that: The sterilization mechanism (2) comprises: A disinfection cover (2-1), wherein the disinfection cover (2-1) is fixed on the base (1), and the processing box (3) is arranged in the disinfection cover (2-1); A cover body (2-2), wherein the cover body (2-2) is arranged on the top left side of the disinfection cover (2-1); the cover body (2-2) is arranged above the feed hopper (5); A door body (2-3), wherein the door body (2-3) is arranged on the right side of the front side wall of the disinfection cover (2-1); the door body (2-3) is arranged in front of the subpackaging mechanism (10) and the capping mechanism (11); An air sterilizing device (2-4) is fixed on a disinfection cover (2-1); the air sterilizing device (2-4) is connected to an external power supply; an air inlet end and an air outlet end of the air sterilizing device (2-4) are both connected to the disinfection cover (2-1) through an air guide tube, and the air guide tube at the air inlet end is longer than the air guide tube at the air outlet end.

3. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 1, characterized in that: The crushing mechanism (6) comprises: The rolling roller (6-1) is arranged in the processing box (3); the bottom of the rolling roller (6-1) is provided with two front and rear plug-in plates (6-2), and the front and rear plug-in plates (6-2) are respectively inserted into the front and rear side walls of the processing box (3); the front and rear ends of the rolling roller (6-1) are rotated to a No. 1 movable frame (6-3) through a shaft and a bearing, and the front and rear ends of the rolling roller (6-1) are provided with baffle strips (6-4), and the bottom of the No. 1 movable frame (6-3) is provided with a baffle strip (6-4). The first movable frame (6-3) is mounted on the baffle bar (6-4); a first movable screw rod (6-5) is inserted into the first movable frame (6-3) through a threaded connection, and the first movable screw rod (6-5) is screwed and inserted into the processing box (3) through a bearing; a first movable motor (6-6) is fixed on the left side wall of the processing box (3), and the first movable motor (6-6) is connected to an external power supply; an output shaft of the first movable motor (6-6) is connected to the left end of the first movable screw rod (6-5); No. 1 electric push rod (6-7), the number of the No. 1 electric push rod (6-7) is two, and the No. 1 electric push rod (6-7) is respectively fixed to the front and rear side walls of the processing box (3), and the No. 1 electric push rod (6-7) is connected to an external power supply; the movable end of the No. 1 electric push rod (6-7) is connected to the plug board (6-2) via a No. 1 connecting rod (6-8); Push plates (6-9), the number of the push plates (6-9) is two, and they are respectively arranged on the left and right sides of the rolling roller (6-1), and the bottoms of the front and rear side walls of the push plates (6-9) are embedded in the baffle strip (6-4); a No. 2 movable frame (6-10) is fixed on the push plate (6-9), and a No. 2 movable screw (6-11) is provided on the No. 2 movable frame (6-10) through threaded connection, and the two No. 2 movable screws (6-11) are respectively arranged above and below the No. 1 movable screw (6-5); the No. 1 movable motor (6-6) is respectively arranged above and below the No. 2 movable motor (6-12), and the No. 2 movable motor (6-12) is fixed on the left side wall of the processing box (3), and the No. 2 movable motor (6-12) is connected to an external power supply; the output shaft of the No. 2 movable motor (6-12) is connected to the left end of the No. 1 movable screw (6-5).

4. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 3, characterized in that: The triangular shielding frame (6-13) is fixed in the processing box (3), and the triangular shielding frame (6-13) is arranged above the first movable screw rod (6-5) and the second movable screw rod (6-11).

5. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 3, characterized in that: The screening mechanism (7) comprises: A cam (7-1), wherein the cam (7-1) is arranged below the inserting plate (6-2); a first rotating shaft (7-2) is fixedly inserted into the cam (7-1), and the first rotating shaft (7-2) is screwed onto the processing box (3) via a bearing; A rotating motor (7-3), the rotating motor (7-3) is fixed on the front side wall of the processing box (3), and the rotating motor (7-3) is connected to an external power source; the output shaft of the rotating motor (7-3) is connected to the front end of the first rotating shaft (7-2); A screen (7-4) is provided at the bottom of the cam (7-1); the front end of the screen (7-4) is movably inserted into the processing box (3).

6. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 5, characterized in that: Slide bars (7-5) are fixed on the left and right side walls of the screen (7-4), and slide rails (7-6) are movably inserted on the outer sides of the slide bars (7-5), and the slide rails (7-6) are fixed on the inner side walls of the processing box (3).

7. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 5, characterized in that: The mixing mechanism (8) comprises: A nozzle (8-1), the nozzle (8-1) is arranged at the bottom of the treatment box (3), the nozzle (8-1) is arranged below the screen (7-4), and the nozzle (8-1) is connected to an external sterile water source; A mixing motor (8-2), the mixing motor (8-2) being fixed to the bottom of the processing box (3), and the mixing motor (8-2) being connected to an external power source; a second rotating shaft (8-3) being connected to the output shaft of the mixing motor (8-2), and the second rotating shaft (8-3) being rotatably connected to the bottom of the processing box (3) via a bearing; Stirring rods (8-4), the number of the stirring rods (8-4) is several and they are respectively distributed in a ring shape and fixed on the second rotating shaft (8-3); A water pump (8-5) is fixed on the annular wall of the treatment box (3), and the water pump (8-5) is connected to an external power supply; the water inlet end of the water pump (8-5) is passed through the treatment box (3) through a No. 1 water pipe (8-6), and the water outlet end of the water pump (8-5) is connected to a No. 2 water pipe (8-7).

8. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 7, characterized in that: The packaging mechanism (10) comprises: A first turntable (10-1), wherein the first turntable (10-1) is embedded in the connecting disk (9) via a bearing; The subassembly motor (10-2) is fixed to the bottom of the connection disk (9), and the output shaft of the subassembly motor (10-2) is connected to the first turntable (10-1) after being rotated through the connection disk (9) by the shaft and the bearing; the subassembly motor (10-2) is connected to the external power supply; The limiting rings (10-3) are multiple in number and are respectively distributed in a ring shape and fixed on the first turntable (10-1); a culture dish (10-4) is placed in the limiting rings (10-3).

9. The high-starch corn grading and selection device for screening mycotoxin-degrading bacteria according to claim 8, characterized in that: The covering mechanism (11) comprises: A second turntable (11-1), wherein the second turntable (11-1) is embedded in the first turntable (10-1), and the second turntable (11-1) is located on the right side of the first turntable (10-1); A cover motor (11-2), wherein the cover motor (11-2) is fixed to the bottom of the connecting disk (9), and an output shaft of the cover motor (11-2) is connected to the second turntable (11-1) after being rotated through the shaft and the bearing and passing through the connecting disk (9); the cover motor (11-2) is connected to an external power supply; No. 2 electric push rods (11-3), the number of which is several and which are respectively distributed in a ring shape and fixed on the No. 2 turntable (11-1); the No. 2 electric push rods (11-3) are connected to an external power supply; A second connecting rod (11-4), wherein the number of the second connecting rods (11-4) is several, the second connecting rods (11-4) are in a broken line structure, and the second connecting rod (11-4) is fixed to the movable end of the second electric push rod (11-3); Electromagnets (11-5), there are several electromagnets (11-5), which are respectively fixed to the bottom of the second connecting rod (11-4), and the electromagnets (11-5) are connected to an external power supply; The cover plate (11-6) is provided in a plurality of pieces. A magnet is provided on the cover plate (11-6), and the magnet and the electromagnet (11-5) are magnetically attracted to each other.

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