A full-automatic crushing and detecting integrated machine for grain particle materials

Abstract

The application discloses a kind of full-automatic crushing detection integrated machine of grain granular material, it is related to detection technical field, including constant volume module, huller module, microwave heating and moisture measurement module etc.;Constant volume module is transferred to the original grain of upper sampling, is handled by fixed volume container constant volume, and the surplus original grain is thrown away, huller module is used to shell processing to the original grain, and then it is transferred to microwave heating and moisture measurement module by mechanical hand module after original grain is shelled;The application integrates all modules from the original grain feeding to the result detection;Using mechanical arm transition, successfully realizes the full-automatic operation from original grain receiving to result output. Through crushing module, the materials in different positions in the crushing box can be crushed, so that the contact area of the mycotoxins and heavy metals inside the grain is larger during extraction, and the corresponding food safety index detection is more accurate during detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection, in particular to a full-automatic crushing and detection integrated machine for grain particle materials. BACKGROUND

[0002] In the grain storage industry, the content of mycotoxins and heavy metals in grain is detected according to standards. The detection process covers multiple links such as crushing, mixing, quantitative weighing, liquid adding, oscillation extraction, separation, pipetting, dilution, incubation and detection. The crushing link plays an indispensable key role in the detection of the content of mycotoxins and heavy metals in grain, can improve the release efficiency of the detected substance, and the crushing treatment can crush the complete grain particles, so that the contact area of mycotoxins and heavy metals is larger during extraction. After crushing and mixing, the composition of the grain sample is more uniform. In the prior art, the detection of heavy metals and mycotoxins mainly relies on manual operation of each single machine. The sample preparation and processing steps are complex, the labor intensity is large, there are human factors, the degree of automation is low, the detection efficiency is low, the detection cannot be guaranteed, and the chemical reagents have an impact on human health. The development of a full-automatic crushing and detection integrated machine for grain purchase links realizes the full-process automation and unmanned of sample crushing, quantitative weighing, liquid adding, oscillation extraction, separation, pipetting, dilution, incubation and physicochemical index detection, eliminates the influence of human factors, improves the detection efficiency, and achieves the goal of fair, fair and open detection results.

[0003] The technical difficulty in the prior art is that the automatic crushing treatment of raw grain is difficult and time-consuming. Therefore, solving the crushing problem is the key to realizing the detection of heavy metals and mycotoxins. When crushing grain, the grain needs to be placed in the inside of the crushing box. However, the crushing blades in the inside of the crushing box are generally arranged at the bottom end of the crushing box. Some grain located at a high position in the crushing box is not easy to be crushed, or the grain located at a high position needs to sink to the bottom of the crushing box to be crushed by the crushing blades. It is troublesome to completely crush the grain at each position in the crushing box, and some grain is adhered to the inner wall of the crushing box. When there is a gap between the crushing blade and the inner wall of the crushing box, the grain on the inner wall of the crushing box cannot be completely crushed. SUMMARY

[0004] The present application aims to provide a full-automatic crushing and detection integrated machine for grain particle materials, so as to solve the problem of realizing full-process automation and unmanned detection of physical and chemical indexes, and further solve the problem that some grains located at a high position of a crushing box are not easy to be crushed, or the grains located at a high position need to sink to the bottom of the crushing box to be crushed by a crushing blade, it is troublesome to completely crush the grains at each position in the crushing box, and some grains are adhered to the inner wall of the crushing box, so that the grains at the inner wall of the crushing box cannot be completely crushed when the crushing blade end cannot touch the grains at the inner wall of the crushing box due to the gap between the crushing blade and the inner wall of the crushing box.

[0005] The object of the present application can be achieved by the following technical solutions:

[0006] A full-automatic crushing and detection integrated machine for grain particle materials, comprising a constant volume module, a rice huller module, a microwave heating and moisture measurement module, a crushing module, a weighing and feeding module, a centrifuge tube module, an opening and closing cap module, a detection module and a manipulator module.

[0007] The constant volume module is used to transfer the original grains sampled by the upper stage, and the excess original grains are discarded after constant volume treatment by a fixed volume container, if the original grains are rice, then the original grains with shells are transferred to the rice huller module by the manipulator module, if the original grains are not rice, then the original grains are directly transferred to the microwave heating and moisture measurement module by the manipulator module.

[0008] The rice huller module is used to hull the original grains, and then transfer the hulled original grains to the microwave heating and moisture measurement module by the manipulator module.

[0009] The microwave heating and moisture measurement module is used to detect the moisture content of the original grains, if the moisture content exceeds the set moisture threshold, then the original grains are transferred to the corresponding heating part of the microwave heating and moisture measurement module by the manipulator module for microwave heating and drying, so that the moisture content of the original grains after heating and drying is lower than the set moisture threshold, and then the original grains are transferred to the crushing module by the manipulator module.

[0010] The crushing module is used to crush the original grains, and after crushing, the crushed powder sample is transferred to the weighing and feeding module by the manipulator module.

[0011] The weighing and feeding module is used for weighing the pulverized powder sample, and then entering a feeding station, a mechanical hand module grabs a large centrifugal tube to a bottle cap opening station, a bottle cap opening and closing module is used for performing a bottle cap opening operation, and then the mechanical hand module takes the large centrifugal tube after the bottle cap opening to the weighing and feeding area, the weighing and feeding module accurately weighs the corresponding gram to the large centrifugal tube, and after the weighing, the residual in the large centrifugal tube after the weighing is cleaned; the mechanical hand module grabs the large centrifugal tube after the weighing to the bottle cap opening station, the bottle cap opening and closing module is used for performing a bottle cap closing operation, and then the mechanical hand module grabs the large centrifugal tube after the bottle cap closing to the detection module.

[0012] The detection module is used for detecting corresponding food safety indexes of the detection sample in the large centrifugal tube.

[0013] As a preferred technical solution of the present application, the crushing module comprises a fixed seat, a driving motor is installed inside the fixed seat, a rotating shaft is arranged at the output end of the driving motor, a crushing box is installed at the end of the driving motor, the rotating shaft penetrates the inside of the crushing box, a crushing blade is installed in the middle of the rotating shaft and inside the crushing box, an upper cover is arranged at the top end of the crushing box, a blade lifting structure for adjusting the height of the crushing blade is arranged on the cylindrical surface of the rotating shaft, the blade lifting structure comprises a first matching groove arranged vertically, the first matching groove is arranged in the inside of the rotating shaft, a middle spacer is sleeved in the first matching groove of the rotating shaft, a second matching groove is arranged in the middle of the middle spacer, the cross-sectional shape of the second matching groove is matched with the cross-sectional shape of the rotating shaft, a first nut is threadedly connected to the upper end of the middle spacer, the crushing blade is fixedly installed between the middle spacer and the first nut, a fixed block is welded in the middle of the upper cover, a middle rod is welded to the bottom end of the fixed block, the axis of the middle rod is aligned with the axis of the rotating shaft, the lower end of the middle rod penetrates the middle of the middle spacer and the end surface of the rotating shaft, the middle of the middle spacer is threadedly connected with the middle rod, the inside of the middle spacer is slidingly connected with the inside of the rotating shaft, the middle spacer and the crushing blade are synchronously lifted, and the material in the crushing box is crushed by the lifting crushing blade.

[0014] As a preferred technical solution of the present application, a first threaded hole is arranged in the middle of the middle spacer, a first threaded section is arranged at the lower end of the cylindrical surface of the middle rod, the first threaded hole of the middle spacer is threadedly connected with the first threaded section of the middle rod, the cylindrical surface of the middle rod and the position below the fixed column are smooth surfaces, and the middle of the middle spacer is rotationally connected with the smooth surface of the middle rod.

[0015] As a preferred technical solution of the present invention, a fixing column is provided at the end of the rotating shaft, a limiting hole is opened at the top of the rotating shaft, the shape of the bottom end of the fixing column is adapted to the shape inside the limiting hole, the limiting hole and the fixing column cooperate to prevent deformation inside the first matching groove of the rotating shaft, and the intermediate rod is connected to the internal rotation of the fixing column, which can prevent the intermediate gasket equipped with the crushing blade from falling off, thereby preventing the crushing blade from damaging the components in the crushing box.

[0016] As a preferred technical solution of the present invention, limiting blocks are integrally provided on both sides of the bottom end of the fixed column, and the position of the limiting blocks is adapted to the position of the first matching groove. An external thread is provided at the end of the rotating shaft, and a second nut is provided at the end of the rotating shaft. The second nut is adapted to the external thread of the rotating shaft, and the second nut is used to fix the fixed column to the end of the rotating shaft.

[0017] As a preferred technical solution of the present invention, the two limit blocks are arranged in the shape of an "儿" character, and the distance between the tips of the bottom ends of the two limit blocks, the diameter of the external thread of the rotating shaft and the diameter of the fixed column change from large to small. The limit block is used to drive the position of the second nut, and the rotating shaft and the intermediate rod are rotated relative to each other, so that the intermediate gasket at the crushing blade can be raised and lowered while rotating, and the crushing blade can crush the materials at different positions in the crushing box.

[0018] As a preferred technical solution of the present invention, an inner wall cleaning structure is provided between the upper end of the intermediate rod and the inner wall of the pulverizing box, and the inner wall cleaning structure includes a second threaded section opened at the upper end of the cylindrical surface of the intermediate rod, and the external thread of the second threaded section is connected to a fixed cover, the surface of the fixed cover is hollowed out, a second threaded hole is opened in the middle of the fixed cover, and the second threaded hole of the fixed cover is threadedly connected to the second threaded section of the intermediate rod, a circle of reserved grooves is opened at the bottom end of the side wall of the fixed cover, and a circle of cleaning sheets are welded at the bottom end of the side wall of the fixed cover and at the edge of the reserved groove, the cleaning sheet is in contact with the inner wall of the pulverizing box, and the cleaning sheet is used to clean the inner wall of the pulverizing box.

[0019] As a preferred technical solution of the present invention, the thread rotation direction of the first thread segment is opposite to that of the second thread segment, and the crushing blade and the fixed cover approach or move away from each other, and the rotation direction of the crushing blade is the same as that of the fixed cover.

[0020] As a preferred technical solution of the present invention, two square blocks are welded on the top of the fixed column, and two square grooves are opened on the top of the fixed cover. The positions of the two square blocks and the two square grooves are adapted to each other, and the square blocks are slidably connected to the square grooves.

[0021] As a preferred technical solution of the present invention, a circle of spacer blocks is welded to the inner wall of the crushing box, the spacer blocks and cleaning sheets are arranged in a ring array, the spacer blocks are in the shape of a triangular prism, the cleaning sheets are slidably connected to the spacer blocks, and the cleaning sheets are made of deformable metal material. The cleaning sheets separated at the spacer blocks are used to knock on the inner wall of the crushing box.

[0022] As a preferred technical solution of the present invention, rotating pins are provided on the top of both sides of the fixed seat, the driving motor is connected to the fixed seat through the rotating pins, a fixing hoop is provided at the contact point between the crushing box and the upper cover, a filter screen is placed on the top of the crushing box, the filter screen is located between the upper cover and the crushing box, and can be rotated synchronously with the fixed cover through the fixing column, so that the cleaning sheet of the fixed cover can clean the inside of the crushing box, thereby preventing the material from adhering to the inner wall of the crushing box and causing incomplete crushing by the crushing blade.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] A blade lifting structure is provided, which utilizes the relative rotation of the rotating shaft and the middle rod, so that the middle gasket at the crushing blade can be raised and lowered while rotating. The crushing blade can crush the materials at different positions in the crushing box;

[0025] The second nut and the fixing column of the blade lifting structure can limit the lifting height of the middle gasket, thereby preventing the middle gasket with the crushing blade from falling off, thereby preventing the crushing blade from damaging the components in the crushing box;

[0026] An inner wall cleaning structure is provided, which can rotate synchronously with the fixed cover through the fixed column, so that the cleaning sheet of the fixed cover can clean the inside of the crushing box, avoiding the material adhering to the inner wall of the crushing box and causing incomplete crushing by the crushing blade;

[0027] The crushing blade and the fixed cover are moved closer or farther away from each other, so that the materials at different positions on the inner wall of the crushing box can be cleaned;

[0028] The cleaning sheet is made of deformable metal, so when the cleaning sheet rotates relative to the spacer block, the cleaning sheet repeatedly strikes the inner wall of the crushing box, and the material that has not fallen off the inner wall of the crushing box can be dropped to the bottom of the crushing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0030] Figure 1 This is a main structure diagram of a fully automatic grain particle material crushing and detection integrated machine of the present invention;

[0031] Figure 2 It is a crushing box internal schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0032] Figure 3 It is a blade lifting structure schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0033] Figure 4 It is a rotating shaft internal schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0034] Figure 5 It is a second nut and fixed column schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0035] Figure 6 It is a fixed column and second nut split schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0036] Figure 7 It is an inner wall cleaning structure schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0037] Figure 8 It is a square block and square groove schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0038] Figure 9 It is a cleaning piece and spacing block schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application;

[0039] Figure 10 It is a whole structure schematic view of a grain particle material full-automatic crushing and detection integrated machine of the present application.

[0040] In the figure: 1, fixed seat; 2, driving motor; 3, crushing box; 4, rotating pin; 5, upper cover; 6, crushing blade; 7, blade lifting structure; 8, inner wall cleaning structure; 9, filter screen; 10, rotating shaft; 71, intermediate gasket; 72, first nut; 73, first matching groove; 74, second nut; 75, fixed column; 76, intermediate rod; 77, fixed block; 78, second matching groove; 79, limiting block; 710, limiting hole; 711, first threaded hole; 712, first threaded section; 81, second threaded section; 82, fixed cover; 83, second threaded hole; 84, square block; 85, cleaning piece; 86, reserved groove; 87, square groove; 88, spacing block. DETAILED DESCRIPTION

[0041] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0042] Example 1: Figure 10 As shown, a fully automatic crushing and detection integrated machine for grain particles includes a constant volume module A01, a rice hulling machine module A02, a microwave heating and moisture measurement module A03, a crushing module A04, a weighing and feeding module A05, a centrifuge tube module A06, a bottle cap opening and closing module A07, a detection module A08 and a robot module A09.

[0043] The volume control module A01 receives raw grain from the upper sampling station, processes it in a fixed-volume container, and discards any excess grain. If the raw grain is rice, the robot module A09 transfers the hulled grain to the rice huller module A02. If the raw grain is not rice, the robot module A09 transfers it directly to the microwave heating and moisture measurement module A03. The centrifuge tube module A06 includes a storage area and several large 50ml centrifuge tubes installed therein.

[0044] The rice huller module A02 is used to shell the raw grains, receive the shelled raw grains, and then transfer them to the microwave heating and moisture measurement module A03 through the robot module A09.

[0045] The microwave heating and moisture measurement module A03 is used to detect the moisture content of the raw grain. If the moisture content exceeds 15%, it will be transferred to the corresponding heating part of the microwave heating and moisture measurement module through the robot module A09 for microwave heating and drying, so that the moisture content of the raw grain after heating and drying is less than 15%; then it will be transferred to the crushing module A04 through the robot module A09.

[0046] The crushing module A04 is used to crush the raw grains. After the crushing is completed, the crushed powder sample is transferred to the weighing and feeding module A05 through the robot module A09; the crushing module A04 crushes the raw grains to achieve more than 99% passing through a 20-mesh sieve.

[0047] The weighing and feeding module A05 is used for weighing the crushed powdered sample, and then entering the feeding station. The manipulator module A09 grabs the large centrifuge tube to the bottle cap opening station, and the opening and closing bottle cap module A07 performs the bottle cap opening operation. Then the manipulator module A09 takes the large centrifuge tube after the bottle cap opening to the weighing and feeding area, and the weighing and feeding module A05 accurately weighs 5 grams into the large centrifuge tube. After the weighing is completed, the residual in the large centrifuge tube after the weighing is cleaned. The manipulator module A09 grabs the large centrifuge tube after the weighing to the bottle cap opening station, and the opening and closing bottle cap module A07 performs the bottle cap closing operation. Then the manipulator module A09 takes the large centrifuge tube with the closed bottle cap to the detection module A08.

[0048] The detection module A08 is used for detecting the detection sample in the large centrifuge tube according to the food safety index, including mycotoxin and heavy metal, etc.

[0049] Example 2: Please refer to Figures 1-6As shown, the crushing module A04 includes a fixed seat 1, a drive motor 2 is mounted in the fixed seat 1, both sides of the top end of the fixed seat 1 are provided with rotating pins 4, the drive motor 2 is connected with the fixed seat 1 through the rotating pins 4, the drive motor 2 can rotate around the rotating pins 4 of the fixed seat 1, so that after crushing, the drive motor 2 and the crushing box 3 can be tilted to pour out the materials in the crushing box 3, and usually the bolts for rotating the drive motor 2 can be installed on the top end of the fixed seat 1, so that the drive motor 2 is prevented from rotating when it does not need to rotate, the output end of the drive motor 2 is provided with a rotating shaft 10, the end of the drive motor 2 is provided with the crushing box 3, the rotating shaft 10 penetrates the inside of the crushing box 3, the middle of the rotating shaft 10 and inside the crushing box 3 are provided with a crushing blade 6, the crushing box 3 is fixedly installed on the end of the shell of the drive motor 2, the output shaft of the drive motor 2 drives the rotating shaft 10 to rotate, so that the rotating shaft 10 drives the crushing blade 6 to rotate in the crushing box 3, so that the materials to be crushed can be crushed, the top end of the crushing box 3 is provided with an upper cover 5, the contact position between the crushing box 3 and the upper cover 5 is provided with a fixing hoop, the crushing box 3 and the upper cover 5 are fixed by the fixing hoop, the materials are prevented from splashing out when the crushing blade 6 crushes the materials, the top end of the crushing box 3 is provided with a filter screen 9, the filter screen 9 is located between the upper cover 5 and the crushing box 3, the filter screen 9 is placed on the top end of the crushing box 3 when the materials need to be discharged, and the crushing box 3 and the filter screen 9 are fixed by the fixing hoop, so that the qualified materials after crushing can be screened out from the inside of the filter screen 9, the cylindrical surface of the rotating shaft 10 is provided with a blade lifting structure 7 for adjusting the height of the crushing blade 6, the blade lifting structure 7 includes a first matching groove 73 arranged vertically, the first matching groove 73 is arranged in the inside of the rotating shaft 10, a middle spacer 71 is sleeved in the first matching groove 73 of the rotating shaft 10, a second matching groove 78 is arranged in the middle of the middle spacer 71, the cross-sectional shape of the second matching groove 78 is matched with the cross-sectional shape of the rotating shaft 10, a first nut 72 is threadedly connected to the upper end of the middle spacer 71, the crushing blade 6 is fixedly installed between the middle spacer 71 and the first nut 72, a quadrilateral groove is arranged in the middle of the crushing blade 6, the middle spacer 71 is placed in the quadrilateral groove, the middle spacer 71 is matched with the quadrilateral groove of the crushing blade 6, and the crushing blade 6 is fixed on the middle spacer 71 by the first nut 72, so that the middle spacer 71 and the crushing blade 6 can rotate synchronously, a fixing block 77 is welded in the middle of the upper cover 5, a middle rod 76 is welded to the bottom end of the fixing block 77, the axis of the middle rod 76 is aligned with the axis of the rotating shaft 10, the lower end of the middle rod 76 penetrates the middle of the middle spacer 71 and the end surface of the rotating shaft 10, when the rotating shaft 10 drives the crushing blade 6 to rotate, the middle rod 76 in the middle of the rotating shaft 10 can rotate relative to the rotating shaft 10, the middle of the middle spacer 71 is threadedly connected with the middle rod 76, the inside of the middle spacer 71 is slidably connected with the inside of the rotating shaft 10,The intermediate gasket 71 and the crushing blade 6 are synchronously lifted, the material inside the crushing box 3 is crushed by the lifting crushing blade 6, and the intermediate rod 76 is relatively rotated with the rotating shaft 10 and the intermediate gasket 71, so that the threads of the intermediate rod 76 and the intermediate gasket 71 drive the intermediate gasket 71 to lift along the inside of the first matching groove 73, so that the crushing blade 6 rotates with the rotating shaft 10 while lifting, so that different layers of material can be crushed, and the crushing of the material is more thorough.

[0050] Please refer to Figures 4-6 As shown in the figure, the middle of the intermediate gasket 71 is provided with a first threaded hole 711, the lower end of the cylindrical surface of the intermediate rod 76 is provided with a first threaded segment 712, the parameters of the first threaded hole 711 and the first threaded segment 712 are matched, the first threaded hole 711 of the intermediate gasket 71 is threadedly connected with the first threaded segment 712 of the intermediate rod 76, and the cylindrical surface of the intermediate rod 76 is smooth below the fixed column 75. The middle of the intermediate gasket 71 is rotationally connected with the smooth surface of the intermediate rod 76, and the relative rotation of the intermediate gasket 71 and the intermediate rod 76 drives the first threaded hole 711 and the first threaded segment 712 to transmit, so that the intermediate gasket 71 can be lifted, and when the intermediate gasket 71 is lifted to the smooth surface above the first threaded segment 712, the phenomenon of thread galling of the intermediate gasket 71 can be avoided. The relative rotation of the rotating shaft 10 and the intermediate rod 76 enables the intermediate gasket 71 at the crushing blade 6 to lift while rotating, and the crushing blade 6 can crush the material at different positions in the crushing box 3.

[0051] Please refer to Figure 5 As shown in the figure, the end of the rotating shaft 10 is provided with a fixed column 75, the top end of the rotating shaft 10 is provided with a limiting hole 710, the shape of the bottom end of the fixed column 75 is matched with the shape inside the limiting hole 710, and the fixed column 75 is placed at the top end of the rotating shaft 10, so that the top end of the rotating shaft 10 is matched with the fixed column 75. The limiting hole 710 cooperates with the fixed column 75 to prevent deformation of the first matching groove 73 inside the rotating shaft 10. Since the intermediate of the rotating shaft 10 is provided with the first matching groove 73, the installation of the fixed column 75 can reduce the deformation of the intermediate of the rotating shaft 10. The intermediate rod 76 is rotationally connected with the inside of the fixed column 75, and the intermediate rod 76 does not affect the rotation of the fixed column 75 with the rotating shaft 10.

[0052] Please refer to Figure 5 and Figure 6As shown, the bottom end of the fixed column 75 is integrally provided with a limiting block 79 on both sides, and the position of the limiting block 79 is matched with the position of the first matching groove 73, the limiting block 79 of the fixed column 75 can be placed inside the first matching groove 73 of the rotating shaft 10, so that the deformation of the first matching groove 73 can also be reduced, the end of the rotating shaft 10 is provided with an external thread, the rotating shaft 10 is provided with a second nut 74 at the end, the second nut 74 is matched with the external thread of the rotating shaft 10, the fixed column 75 is placed inside the limiting hole 710, and then the second nut 74 is screwed into the end of the rotating shaft 10, the second nut 74 is used to fix the fixed column 75 at the end of the rotating shaft 10.

[0053] Please refer to Figure 6 As shown, the two limiting blocks 79 are arranged in the shape of "er" character, the two sides of the limiting block 79 in the shape of "er" character can be limited with the second nut 74, the distance between the bottom end of the two limiting blocks 79, the diameter of the external thread of the rotating shaft 10 and the diameter of the fixed column 75 are changed from large to small, the limiting block 79 is used to drive the position of the second nut 74, the limiting block 79 in the shape of "er" character can limit the second nut 74, avoid the second nut 74 from the end of the rotating shaft 10, and according to the size of the limiting block 79, the rotating shaft 10 and the fixed column 75, so as to facilitate the second nut 74 to be screwed into the thread of the rotating shaft 10, through the second nut 74 and the fixed column 75 of the blade lifting structure 7, the second nut 74 and the fixed column 75 can limit the lifting height of the middle gasket 71, which can avoid the middle gasket 71 with the crushing blade 6 from falling off, and then avoid the crushing blade 6 from damaging the parts in the crushing box 3.

[0054] Please refer to Figures 6-9As shown, an inner wall cleaning structure 8 is provided between the upper end of the intermediate rod 76 and the inner wall of the crushing box 3. The inner wall cleaning structure 8 includes a second threaded section 81 opened at the upper end of the cylindrical surface of the intermediate rod 76. The external thread of the second threaded section 81 is connected to a fixed cover 82. The surface of the fixed cover 82 is hollowed out. After the fixed cover 82 is hollowed out, the material put in can fall into the bottom end of the crushing box 3. A second threaded hole 83 is opened in the middle of the fixed cover 82, and the second threaded hole 83 of the fixed cover 82 is threadedly connected to the second threaded section 81 of the intermediate rod 76, so that the intermediate rod 76 can rotate relative to the first nut 72. Two square blocks 84 are welded to the top of the fixing column 75, and two square grooves 87 are opened on the top of the fixing cover 82. The positions of the two square blocks 84 are adapted to the positions of the two square grooves 87. The square block 84 is slidably connected to the square groove 87, and the fixing column 75 is connected to the The fixed cover 82 rotates in the same direction, and the fixed cover 82 and the middle gasket 71 approach or move away from each other. A circle of reserved grooves 86 are provided at the bottom end of the side wall of the fixed cover 82 of the middle rod 76, and a circle of cleaning sheets 85 are welded at the bottom end of the side wall of the fixed cover 82 and at the edge of the reserved grooves 86. The cleaning sheets 85 are in contact with the inner wall of the crushing box 3, and the cleaning sheets 85 are used to clean the inner wall of the crushing box 3. When the fixed cover 82 rotates, the cleaning sheets 85 on the edge of the fixed cover 82 can be driven to clean some materials adhering to the inner wall of the crushing box 3. The materials adhering to the inside of the crushing box 3 enter the bottom of the fixed cover 82 from the reserved grooves 86, and the materials at different positions of the inner wall of the crushing box 3 can be cleaned, and the materials can be crushed more thoroughly, especially the materials on the side walls.

[0055] See also Figure 6 and Figure 8 As shown, the thread rotation direction of the first thread segment 712 is opposite to that of the second thread segment 81, and the crushing blade 6 and the fixed cover 82 are close to or away from each other, and the rotation direction of the crushing blade 6 is the same as the rotation direction of the fixed cover 82. When the crushing blade 6 enters the fixed cover 82, it can crush the materials cleaned on the inner wall of the crushing box 3. The fixed column 75 can rotate synchronously with the fixed cover 82, so that the cleaning sheet 85 of the fixed cover 82 can clean the inside of the crushing box 3, thereby preventing the inner wall of the crushing box 3 from adhering to the materials and causing incomplete crushing by the crushing blade 6.

[0056] See also Figure 9As shown, the inner wall of the pulverizing box 3 is welded with a ring of interval blocks 88, the interval blocks 88 and the cleaning pieces 85 are arranged in annular array, the interval blocks 88 are in the shape of triangular column, the cleaning pieces 85 are in sliding connection with the interval blocks 88, the cleaning pieces 85 can be in contact with the inner wall of the pulverizing box 3 when the fixed cover 82 rotates, so that the inner wall of the pulverizing box 3 can be cleaned, the material of the cleaning pieces 85 is deformable metal material, the separated cleaning pieces 85 at the interval blocks 88 are used to knock the inner wall of the pulverizing box 3, and the intermittent contact of the cleaning pieces 85 and the interval blocks 88 can be used, the cleaning pieces 85 can knock the inner wall of the pulverizing box 3 when the deformation occurs, so that the material on the inner wall of the pulverizing box 3 falls to the bottom end of the pulverizing box 3, so that the cleaning pieces 85 repeatedly knock the inner wall of the pulverizing box 3 when the cleaning pieces 85 rotate relative to the interval blocks 88, the material on the inner wall of the pulverizing box 3 that has not fallen can fall to the bottom end of the pulverizing box 3.

[0057] The above disclosed preferred embodiments of the present application are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments. Obviously, according to the content of the present application, many modifications and changes can be made. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their full scope and equivalents.

Claims

1. A fully automatic grain granular material crushing and detection integrated machine, comprising a volume control module, a rice hulling machine module, a microwave heating and moisture measurement module, a crushing module, a weighing and feeding module, a centrifuge tube module, a bottle cap opening and closing module, a detection module, and a manipulator module; characterized by: The constant volume module is used to undertake the transfer of raw grains sampled by the upper level, perform constant volume processing through a fixed volume container, and discard the excess raw grains. If the raw grain is rice, the raw grain with shells is transferred to the rice huller module through the manipulator module; if the raw grain is not rice, the manipulator module directly transfers it to the microwave heating and moisture measurement module; The rice huller module is used to hull the raw grains, receive the hulled raw grains, and then transfer them to the microwave heating and moisture measurement module through the manipulator module; The microwave heating and moisture measurement module is used to detect the moisture content of the raw grain. If the moisture content exceeds the set moisture threshold, the raw grain is transferred to the corresponding heating part of the microwave heating and moisture measurement module through the manipulator module for microwave heating and drying, so that the moisture content of the raw grain after heating and drying is lower than the set moisture threshold; then the raw grain is transferred to the crushing module through the manipulator module; The crushing module is used to crush the raw grains. After the crushing is completed, the crushed powder sample is transferred to the weighing and feeding module through the manipulator module; The weighing and loading module is used to weigh the powdered sample after crushing, and then enter the loading station, the manipulator module grabs the large centrifuge tube to the bottle cap opening station, and performs the bottle cap opening operation through the bottle cap opening and closing module, and then the manipulator module takes the large centrifuge tube with the bottle cap opened to the weighing and loading area, and the weighing and loading module accurately weighs the corresponding grams into the large centrifuge tube. After the weighing is completed, the residue in the large centrifuge tube after weighing is cleaned; the manipulator module grabs the weighed large centrifuge tube to the bottle cap opening station, and performs the bottle cap closing operation through the bottle cap opening and closing module, and then the manipulator module grabs the large centrifuge tube with the bottle cap closed to the detection module; The detection module is used to detect the corresponding food safety indicators of the test samples in the large centrifuge tube; The crushing module includes a fixed seat. A driving motor is installed inside the fixed seat. A rotating shaft is provided at the output end of the driving motor, and a crushing box is installed at the end of the driving motor. The rotating shaft penetrates through the inside of the crushing box. Crushing blades are installed in the middle of the rotating shaft and inside the crushing box. A top cover is provided at the top of the crushing box. A blade lifting structure for adjusting the height of the crushing blades is provided on the cylindrical surface of the rotating shaft. The blade lifting structure includes a first fitting groove arranged vertically. The first fitting groove is opened inside the rotating shaft. An intermediate gasket is sleeved inside the first fitting groove of the rotating shaft. A second fitting groove is opened in the middle of the intermediate gasket. The cross-sectional shape of the second fitting groove is adapted to the cross-sectional shape of the rotating shaft. A first nut is threadedly connected to the upper end of the intermediate gasket. The crushing blades are fixedly installed between the intermediate gasket and the first nut. A fixed block is welded in the middle of the top cover, and an intermediate rod is welded to the bottom end of the fixed block. The axis of the intermediate rod is aligned with the axis of the rotating shaft. The lower end of the intermediate rod penetrates through the middle of the intermediate gasket and the end face of the rotating shaft. The middle of the intermediate gasket is threadedly connected to the intermediate rod. The inside of the intermediate gasket is slidably connected to the inside of the rotating shaft. The intermediate gasket and the crushing blades are lifted and lowered synchronously. The materials inside the crushing box are crushed by the lifted and lowered crushing blades.

2. The fully automatic crushing and detecting machine for grain particles according to claim 1 is characterized in that: A first threaded hole is opened in the exact middle of the intermediate gasket. A first threaded section is opened at the lower end of the cylindrical surface of the intermediate rod. The first threaded hole of the intermediate gasket is threadedly connected to the first threaded section of the intermediate rod. And the cylindrical surface of the intermediate rod is a smooth surface at the position below the fixed column. The middle of the intermediate gasket is rotatably connected to the smooth surface of the intermediate rod.

3. The fully automatic crushing and detecting machine for grain particles according to claim 2, characterized in that: A fixed column is provided at the end of the rotating shaft. A limiting hole is opened at the top end of the rotating shaft. The shape of the bottom end of the fixed column is adapted to the shape inside the limiting hole. The limiting hole and the fixed column cooperate to prevent deformation inside the first fitting groove of the rotating shaft. The intermediate rod is rotatably connected to the inside of the fixed column.

4. The fully automatic crushing and detecting machine for grain particles according to claim 3 is characterized in that: Limiting blocks are integrally provided on both sides of the bottom end of the fixed column. And the position of the limiting blocks is adapted to the position of the first fitting groove. External threads are opened at the end of the rotating shaft. A second nut is provided at the end of the rotating shaft. The second nut is adapted to the external threads of the rotating shaft. The second nut is used to fix the fixed column at the end of the rotating shaft.

5. The fully automatic crushing and detecting machine for grain particles according to claim 4 is characterized in that: The shapes of the two limiting blocks are arranged in a "儿" shape. The distance between the tips of the bottom ends of the two limiting blocks, the diameter of the external threads of the rotating shaft, and the diameter of the fixed column decrease from large to small. The limiting blocks are used to drive the position of the second nut.

6. The fully automatic crushing and detecting machine for grain particles according to claim 3 or 5, characterized in that: An inner wall cleaning structure is provided between the upper end of the intermediate rod and the inner wall of the crushing box. The inner wall cleaning structure includes a second threaded section opened at the upper end of the cylindrical surface of the intermediate rod. A fixed cover is threadedly connected to the outside of the second threaded section. The surface of the fixed cover is hollowed out. A second threaded hole is opened in the exact middle of the fixed cover. And the second threaded hole of the fixed cover is threadedly connected to the second threaded section of the intermediate rod. A reserved groove is opened at the bottom end of the side wall of the fixed cover. A circle of cleaning pieces is welded at the bottom end of the side wall of the fixed cover and at the edge of the reserved groove. The cleaning pieces are in contact with the inner wall of the crushing box. The cleaning pieces are used to clean the inner wall of the crushing box.

7. The fully automatic crushing and detecting machine for grain particles according to claim 6, characterized in that: The thread rotation direction of the first thread segment is opposite to that of the second thread segment, and the crushing blade and the fixed cover approach or move away from each other, and the rotation direction of the crushing blade is the same as the rotation direction of the fixed cover; two square blocks are welded to the top of the fixed column, and two square grooves are provided on the top of the fixed cover. The positions of the two square blocks are adapted to the positions of the two square grooves, and the square blocks are slidably connected to the square grooves.

8. The fully automatic grain particle crushing and detection integrated machine according to claim 7, characterized in that: A circle of spacer blocks is welded to the inner wall of the crushing box. The spacer blocks and cleaning sheets are arranged in a ring array. The spacer blocks are in the shape of a triangular prism. The cleaning sheets are slidably connected to the spacer blocks. The cleaning sheets are made of deformable metal. The cleaning sheets separated at the spacer blocks are used to knock on the inner wall of the crushing box.

9. The fully automatic crushing and detecting machine for grain particles according to claim 1, characterized in that: The top ends of both sides of the fixing seat are provided with rotating pins, and the driving motor is connected to the fixing seat through the rotating pins. A fixing hoop is provided at the contact point between the crushing box and the upper cover. A filter screen is placed on the top end of the crushing box, and the filter screen is located between the upper cover and the crushing box.

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