Automatic grinding and dissolving device for food inspection and detection

Abstract

The utility model discloses an automatic grinding and dissolving device for food inspection and detection, which comprises a processing cylinder, a limit frame is arranged in the processing cylinder, a grinding disc is movably mounted on the limit frame, an outer gear ring arranged on the grinding disc is movably mounted with a gear arranged at the output end of a motor I in a meshed manner, and the motor I is fixedly mounted on a protective cover. A grinding hammer is arranged in the center of the grinding disc, a protection top plate is arranged at the top of the grinding hammer, a back flushing mechanism is arranged between the protection top plate and the grinding hammer, a guide base is fixedly connected to the bottom of the grinding hammer and movably installed in a fixing base, and the bottom of the guide base is fixedly connected with one end of an electric telescopic rod I. According to the food dissolver, the telescopic scrapers are arranged in the grinding disc and the grinding hammer and are matched with the back flushing mechanism, so that self-cleaning in the processing barrel can be realized, continuous work of various foods can be realized, meanwhile, a plurality of groups of asymmetrical movable blades are arranged on the stirring bracket, irregular turbulent flow of liquid is realized, and the dissolving efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to food detection technical field, especially relate to a food inspection detects and uses automatic grinding dissolving device. BACKGROUND

[0002] In the food production process, the inspection and detection is an indispensable step, the existing food detection grinding dissolving device has the following technical problems in the process of using: 1) in the grinding process, solid particles are extruded and agglomerated and adhered to the grinding roller device, so that it needs to be disassembled and cleaned manually every time, the maintenance cost is high, and continuous operation is not available;2) in the dissolving process, the single stirring rod arranged inside is limited to the flow disturbance of the solution, cannot achieve rapid dissolution, and the single stirring rod is prone to cyclone during rapid rotation, causing solid to gather in the cyclone center, and slow dissolving efficiency.

[0003] After searching, the prior art CN214668969U discloses a dissolving device for food inspection and detection, which comprises a dissolving cylinder, a slanting chute arranged at the bottom side of the dissolving cylinder, an inlet arranged at the upper side of the dissolving cylinder, an ultrasonic oscillation device arranged on the inner wall of one side of the dissolving cylinder, a multi-hole rotating table arranged in the interior of the dissolving cylinder, a bearing and a motor connected to the lower side wall of the multi-hole rotating table, a plurality of stirring and shearing devices, each of which is arranged in the interior of the dissolving cylinder and rotationally connected to the upper end of the multi-hole rotating table, a water inlet pipe, one end of which penetrates through one side wall of the dissolving cylinder and is connected to the other side wall, a filter plate, one end of which penetrates through the lowest side wall of the slanting chute and is movably connected to the other side wall, and a plurality of water outlet pipes arranged in the interior of the dissolving cylinder and connected to the lower side of the water inlet pipe. The stirring and shearing devices arranged in the interior of the dissolving cylinder shear and crush the food and dissolve it, accelerating the dissolving efficiency and automatically cleaning the food adhered to the stirring and shearing devices. However, the above technical solution still has the following problems in the process of using: the setting of shearing and crushing the solid in the solution has low crushing efficiency, because the irregular movement of the solid in the solution causes it to be bounced away after touching the stirring and shearing devices, so the crushing effect in the solution is poor, and the symmetrical distribution of the stirring and shearing devices also causes cyclone during stirring, which affects the dissolving efficiency of the solid.

[0004] For example, the prior art CN219495869U discloses a food detection food dissolving device, which comprises a crushing structure and a grinding structure, a vertical feeding port is arranged at the top of the crushing structure, a second motor is installed at the upper end of the crushing structure, a secondary rotating shaft is connected to the bottom of the second motor, blades are arranged on the left and right sides of the secondary rotating shaft, an electric control valve is arranged at the left end of the bottom of the crushing structure, a dissolving structure is arranged at the lower end of the crushing structure, a first motor is installed at the bottom of the dissolving structure, in the above scheme, the crushing structure, the grinding structure and the dissolving structure can shred or grind food of different qualities, and then the food is dissolved, so that the dissolution speed of the food is accelerated, and the problem of low dissolution efficiency is solved. However, the above scheme has the following problems in use: 1) the crushing structure and the grinding structure do not have a self-cleaning structure, so that the device cannot continuously work on multiple foods, and manual disassembly and cleaning are required to avoid the influence between different foods; 2) the stirring structure in the dissolving structure is single, and vortex is easily generated, which affects the dissolution efficiency of solid particles. SUMMARY

[0005] The utility model discloses an overcome prior art's insufficient, provide a kind of automatic grinding dissolving device for food inspection and detection, by being set in grinding disc and grinding hammer Stretching scraper, cooperate backflush mechanism, it can realize the self-cleaning in processing cylinder, realize the continuous work of multiple foods, while setting asymmetric movable multiple groups of blades on stirring support, realize irregular turbulence to liquid, further improve dissolution efficiency.

[0006] To achieve the above object, the technical scheme adopted by the utility model is:

[0007] An automatic grinding dissolving device for food inspection and detection, including processing cylinder, limit support, grinding disc, motor I, grinding hammer, guide base, electric telescopic link I, backflush mechanism, fixed base, scraper, motor II, partition, motor III, support frame, rotating main shaft, stirring support, protective cover, protective top plate, the inside of processing cylinder is equipped with limit support, and grinding disc is movably installed on the limit support, and the outer gear ring of grinding disc is movably installed with the gear of the output end of motor I, motor I is fixedly installed on protective cover, and protective cover is fixedly installed on the side wall of processing cylinder, grinding hammer is arranged in the center of grinding disc, protective top plate is arranged on the top of grinding hammer, guide base is fixedly connected to the bottom of grinding hammer, guide base is movably installed in fixed base, one end of electric telescopic link I is fixedly connected to the bottom of guide base, the other end of electric telescopic link I is fixedly installed on partition, and fixed base is fixedly installed on partition, and a plurality of scrapers are movably installed on the outside of fixed base, the outer gear ring of scraper is movably installed with the gear of the output end of motor II, support frame is arranged below partition, motor III is fixedly installed on support frame, the output end of motor III is fixedly connected with rotating main shaft through the through hole on support frame, and stirring support is fixedly installed on rotating main shaft.

[0008] The processing cylinder side wall opening is provided with a movable door, which is movably installed in a guide slot fixedly installed on the processing cylinder side wall.

[0009] A plurality of water flow pipes are fixedly communicated with the processing cylinder side wall, and the water flow pipes are used for solution inlet and outlet control.

[0010] A rotating baffle is arranged below the partition plate, and the rotating baffle is movably installed in a through slot in the processing cylinder side wall, so that the passage of the partition plate can be conveniently blocked.

[0011] The grinding disc is internally provided with an electric telescopic rod II, the telescopic end of the electric telescopic rod II is fixedly connected with a telescopic scraper I, the telescopic scraper I is movably installed in a movable slot in the grinding disc, the grinding hammer is internally provided with an electric telescopic rod III, the telescopic end of the electric telescopic rod III is fixedly connected with a telescopic scraper II, and the telescopic scraper II is movably installed in a movable slot in the grinding hammer.

[0012] A back-blowing mechanism is arranged between the protective top plate and the grinding hammer, the back-blowing mechanism comprises a rotating sleeve I, a supporting plate I, a supporting plate II, a motor IV, an air pump, a motor V, a worm, a rotating sleeve II, a worm wheel, a rotating base, a blowing pipe and a connecting hose, the supporting plate I and the supporting plate II are arranged on the rotating sleeve I, an outer gear ring arranged on one side of the supporting plate II and a gear arranged on the output end of the motor IV are movably connected in meshing mode, the air pump is arranged on the supporting plate II, the output end of the air pump is communicated with the blowing pipe through the connecting hose, the blowing pipe is fixedly installed on the rotating base, the rotating base is movably installed between the supporting plate I and the supporting plate II, an outer gear ring arranged on the rotating base and an outer gear ring arranged on the rotating sleeve II are movably installed in meshing mode, the rotating sleeve II is movably installed between the supporting plate I and the supporting plate II, a worm wheel arranged on the rotating sleeve II and a worm arranged on the output end of the motor V are movably connected in meshing mode, and the motor V is fixedly installed on the supporting plate I.

[0013] The short arm end of the stirring support is movably provided with a stirring shaft I, the bottom of the stirring shaft I is fixedly provided with a fixed blade, the stirring shaft I is movably provided with a movable blade I, springs I are arranged around the stirring shaft I at the two ends of the movable blade I, the long arm end of the stirring support is movably provided with a stirring shaft II, the stirring shaft II is movably provided with two groups of movable blades II, and springs II are arranged around the stirring shaft II between the movable blades II and the stirring support.

[0014] A plurality of through holes are formed in the fixed blade, the movable blade I and the movable blade II, and turbulence plates are arranged in the through holes, so that the turbulence effect can be enhanced, and bubbles and solid particles can be fully dispersed, thereby improving the stirring and dissolving efficiency.

[0015] The utility model has the advantages that compared with the prior art, the utility model has the advantages that

[0016] 1) When the grinding disc and the grinding hammer surface need to be cleaned, the distance between the grinding hammer and the grinding disc can be adjusted, and then the telescopic scraper I and the telescopic scraper II are alternately controlled to extend, so that the side wall of the grinding disc and the side wall of the grinding hammer are scraped and cleaned in turn, so that self-cleaning is realized, solid confusion caused by continuous operation is avoided, and the working efficiency is greatly improved;

[0017] 2) When the inside of the processing cylinder needs to be purged, the motor V is started first to drive the rotating sleeve II to rotate through the transmission of the worm and the worm gear, so that the rotating base is rotated to turn out the blowing pipe through gear meshing, at this time the air pump is started to blow back, the high-pressure gas will be blown out through the blowing pipe, blown to the baffle through the gap between the grinding disc and the grinding hammer, and blown to the bottom of the processing cylinder at the passage, in the purging process, the motor IV is started to drive the rotating sleeve I to rotate at a constant speed through gear transmission, so that the blowing pipe rotates as a whole to improve the purging efficiency, so that the powder dispersed in the processing cylinder can be treated by back blowing, which can effectively prevent solid powder residue and ensure the singularity and accuracy of each food inspection;

[0018] 3) During the rotation of the stirring support, due to the asymmetric design of the stirring shaft I and the stirring shaft II, irregular disturbance is generated to the solution, which prevents the generation of rotational flow, and under the action of the spring and the disturbance of the solution, the multiple groups of movable blades move up and down, thereby enhancing the effect of the solution on the solution, and the through holes are provided on the multiple groups of blades, and the spoiler is installed in the through hole, which can fully disperse the bubbles and solid particles, and further improve the dissolution efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHMENT Figure 1 It is a kind of automatic grinding and dissolving device structure schematic view for food inspection and detection;

[0020] ATTACHMENT Figure 2 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0021] ATTACHMENT Figure 3 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0022] ATTACHMENT Figure 4 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0023] ATTACHMENT Figure 5 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0024] ATTACHMENT Figure 6 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0025] ATTACHMENT Figure 7 It is a kind of automatic grinding and dissolving device internal structure schematic view for food inspection and detection;

[0026] In the figure: 10, processing cylinder; 11, limiting frame; 12, grinding disc; 13, motor I; 14, grinding hammer; 15, guide base; 16, electric telescopic rod I; 17, back flushing mechanism; 18, fixed seat; 19, scraper; 20, motor II; 21, partition plate; 22, rotary baffle; 23, motor III; 24, support frame; 25, rotary main shaft; 26, stirring support; 27, stirring shaft I; 28, fixed blade; 29, stirring shaft II; 30, spoiler; 31, movable door; 32, guide groove; 33, water flow pipeline; 121, electric telescopic rod II; 122, telescopic scraper I; 131, protective cover; 141, electric telescopic rod III; 142, telescopic scraper II; 143, protective top plate; 171, rotating sleeve I; 172, support plate I; 173, support plate II; 174, motor IV; 175, air pump; 176, motor V; 1761, worm; 177, rotating sleeve II; 1771, worm wheel; 178, rotary base; 179, air blowing pipe; 1791, connecting hose; 271, movable blade I; 272, spring I; 291, movable blade II; 292, spring II. DETAILED DESCRIPTION

[0027] For the convenience of the person skilled in the art to understand, the following will be combined with the accompanying drawings Figures 1-7 The technical scheme of the utility model is further specifically explained.

[0028] The utility model provides an automatic grinding and dissolving device for food inspection and detection, which comprises a processing cylinder 10, a limiting frame 11, a grinding disc 12, a motor I 13, a grinding hammer 14, a guide base 15, an electric telescopic rod I 16, a back flushing mechanism 17, a fixing seat 18, a scraper 19, a motor II 20, a partition plate 21, a motor III 23, a support frame 24, a rotating main shaft 25, a stirring support 26, a protective cover 131 and a protective top plate 143, the processing cylinder 10 is internally provided with the limiting frame 11, the limiting frame 11 is movably provided with the grinding disc 12, the outer gear ring provided on the grinding disc 12 is movably provided with the gear provided on the output end of the motor I 13, the motor I 13 is fixedly installed on the protective cover 131, the protective cover 131 is fixedly installed on the side wall of the processing cylinder 10, the grinding disc 12 is provided with the grinding hammer 14 in the center, the grinding hammer 14 is provided with the protective top plate 143 on the top, the back flushing mechanism 17 is arranged between the protective top plate 143 and the grinding hammer 14, the grinding hammer 14 is fixedly connected with the guide base 15 at the bottom, the guide base 15 is movably installed in the fixing seat 18, the guide base 15 is fixedly connected with one end of the electric telescopic rod I 16 at the bottom, the other end of the electric telescopic rod I 16 is fixedly installed on the partition plate 21, the fixing seat 18 is fixedly installed on the partition plate 21, a plurality of groups of scrapers 19 are movably installed on the outer side of the fixing seat 18, the outer gear ring of the scraper 19 is movably provided with the gear provided on the output end of the motor II 20, the support frame 24 is arranged below the partition plate 21, the motor III 23 is fixedly installed on the support frame 24, the output end of the motor III 23 is fixedly connected with the rotating main shaft 25 through the through hole in the support frame 24, and the stirring support 26 is fixedly installed on the rotating main shaft 25.

[0029] The side wall of the processing cylinder 10 is provided with a movable door 31, the movable door 31 is movably installed in the guide groove 32, and the guide groove 32 is fixedly installed on the side wall of the processing cylinder 10.

[0030] A plurality of water flow pipes 33 are fixedly communicated on the side wall of the processing cylinder 10, and the water flow pipes 33 are used for controlling the in-out of the solution.

[0031] A rotating baffle 22 is arranged below the partition plate 21, the rotating baffle 22 is movably installed in the through groove in the side wall of the processing cylinder 10, and the rotating baffle 22 facilitates the blocking of the passage of the partition plate 21.

[0032] The grinding disc 12 is internally provided with an electric telescopic rod II 121, the telescopic end of the electric telescopic rod II 121 is fixedly connected with a telescopic scraper I 122, the telescopic scraper I 122 is movably installed in a movable groove in the grinding disc 12, the grinding hammer 14 is internally provided with an electric telescopic rod III 141, the telescopic end of the electric telescopic rod III 141 is fixedly connected with a telescopic scraper II 142, the telescopic scraper II 142 is movably installed in a movable groove in the grinding hammer 14; when it is needed to clean the grinding disc 12 and the grinding hammer 14, the distance between the grinding hammer 14 and the grinding disc 12 is adjusted, and then the telescopic scraper I 122 and the telescopic scraper II 142 are alternately controlled to extend, so that the side wall of the grinding disc 12 and the side wall of the grinding hammer 14 are scraped and cleaned in sequence.

[0033] The back blowing mechanism 17 comprises a rotating sleeve I 171, a support plate I 172, a support plate II 173, a motor IV 174, an air pump 175, a motor V 176, a worm 1761, a rotating sleeve II 177, a worm wheel 1771, a rotating base 178, a blowing pipe 179, a connecting hose 1791, the rotating sleeve I 171 is provided with the support plate I 172 and the support plate II 173, the outer gear ring provided on the rotating sleeve I 171 on one side of the support plate II 173 is movably connected with the gear provided on the output end of the motor IV 174, the air pump 175 is provided on the support plate II 173, the output end of the air pump 175 is communicated with the blowing pipe 179 through the connecting hose 1791, the blowing pipe 179 is fixedly installed on the rotating base 178, the rotating base 178 is movably installed between the support plate I 172 and the support plate II 173, the outer gear ring provided on the rotating base 178 is movably installed with the outer gear ring provided on the rotating sleeve II 177, the rotating sleeve II 177 is movably installed between the support plate I 172 and the support plate II 173, the worm wheel 1771 provided on the rotating sleeve II 177 is movably connected with the worm 1761 provided on the output end of the motor V 176, and the motor V 176 is fixedly installed on the support plate I 172; when it is needed to blow the inside of the processing cylinder 10, the motor V 176 is first started to drive the rotating sleeve II 177 to rotate through the transmission of the worm 1761 and the worm wheel 1771, so that the rotating base 178 is rotated to rotate the blowing pipe 179 through gear engagement, at this time, the air pump 175 is started to blow back, the high-pressure gas is blown out through the blowing pipe 179, blown to the baffle 21 through the gap between the grinding disc 12 and the grinding hammer 14, and blown to the bottom of the processing cylinder 10 at the passage, in the blowing process, the motor IV 174 is started to drive the rotating sleeve I 171 to rotate at a constant speed through gear transmission, so as to drive the blowing pipe 179 to rotate and blow as a whole, thereby improving the blowing efficiency.

[0034] The short arm end of the stirring support 26 is movably mounted with a stirring shaft I 27, the bottom of the stirring shaft I 27 is fixedly mounted with a fixed blade 28, the stirring shaft I 27 is movably mounted with a movable blade I 271, the both ends of the movable blade I 271 are movably mounted with springs I 272 on the stirring shaft I 27, the long arm end of the stirring support 26 is movably mounted with a stirring shaft II 29, the stirring shaft II 29 is movably mounted with two groups of movable blades II 291, the movable blades II 291 are movably mounted with springs II 292 on the stirring shaft II 29 between the stirring shaft II 29 and the stirring support 26; in the process of rotating, due to the asymmetric design of the stirring shaft I 27 and the stirring shaft II 29, the solution will be irregularly disturbed, the generation of the cyclone is prevented, and under the action of the springs and the disturbance of the solution, the movable blades will move up and down, so that the stirring effect on the solution is further enhanced.

[0035] The fixed blade 28, the movable blade I 271 and the movable blade II 291 are provided with a plurality of through holes, the through holes are provided with spoiler plates 30, the spoiler plates 30 can enhance the spoiler effect, fully scatter the bubbles and the solid particles at the same time, so that the stirring and dissolving efficiency is improved.

[0036] The working process of the automatic grinding and dissolving device for food inspection and detection is as follows: according to the grinding degree of the food, the telescopic amount of the electric telescopic rod I 16 is controlled, so that the grinding hammer 14 is driven to move up and down through the guide base 15, the gap size between the grinding hammer 14 and the grinding disc 12 is controlled, after the adjustment is completed, the food to be detected is placed on the top of the processing cylinder 10 and enters the gap between the grinding hammer 14 and the grinding disc 12 to be ground into fine particles, then falls on the baffle 21, if it is needed to observe and detect the solid particles, the handle is rotated to rotate the baffle 22, the channel on one side of the baffle 21 is closed, at this time, the solid particles all fall on the baffle 21 and the rotating baffle 22, the scraper 19 is driven to rotate by the motor II 20, the particles on the baffle 21 are scraped to the rotating baffle 22, the movable door 31 is opened, and the solid particles can be observed and sampled for detection, if it is needed to be dissolved, the rotating baffle 22 is rotated to be stored under the baffle 21 after the solution is stored at the bottom through the water flow pipeline 33, at this time, the scraper 19 will scrape the particles on the baffle 21 to the channel on one side of the baffle 21, and directly fall into the solution below, at this time, the motor III is started to drive the rotating main shaft and the stirring support 26 to stir, in the process of rotation, due to the asymmetric design of the stirring shaft I 27 and the stirring shaft II 29, irregular disturbance is generated to the solution, the generation of rotational flow is prevented, and a plurality of movable blades move up and down under the action of the spring and the disturbance of the solution, so that the stirring effect of the solution is further enhanced, after one grinding work is completed, the motor V 176 is started to drive the rotating sleeve II 177 to rotate through the transmission of the worm 1761 and the worm gear 1771, so that the rotating base 178 is rotated to rotate the blowing pipe 179 out, at this time, the air pump 175 is started to blow back, the high-pressure gas is blown out through the blowing pipe 179, blown to the baffle 21 through the gap between the grinding disc 12 and the grinding hammer 14, and blown to the bottom of the processing cylinder 10 at the channel, in the blowing process, the motor IV 174 is started to drive the rotating sleeve I 171 to rotate at a constant speed through the gear transmission, so as to drive the blowing pipe 179 to rotate and blow, and all the internal powder is blown to the bottom solution, so as to ensure the accuracy of the data.

[0037] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. An automatic grinding and dissolving device for food inspection and testing, comprising a processing cylinder, a limiting frame, a grinding disc, a motor I, a grinding hammer, a guide base, an electric telescopic rod I, a backflushing mechanism, a fixed base, a scraper, a motor II, a partition plate, a motor III, a support frame, a rotating main shaft, a stirring bracket, a protective cover, and a protective top plate, characterized in that... The processing cylinder is equipped with a limiting frame inside, on which a grinding disc is movably mounted. The external gear ring on the grinding disc meshes with the gear at the output end of motor I. Motor I is fixedly mounted on a protective cover, which is fixedly mounted on the side wall of the processing cylinder. A grinding hammer is located at the center of the grinding disc, and a protective top plate is located on the top of the grinding hammer. A guide base is fixedly connected to the bottom of the grinding hammer, and the guide base is movably mounted inside a fixed seat. One end of an electric telescopic rod I is fixedly connected to the bottom of the guide base, and the other end of the electric telescopic rod I is fixedly mounted on a partition. The fixed seat is fixedly mounted on the partition. Multiple scrapers are movably mounted on the outside of the fixed seat. The external gear ring of the scraper meshes with the gear at the output end of motor II. A support frame is located below the partition, on which motor III is fixedly mounted. The output end of motor III passes through a through hole in the support frame and is fixedly connected to a rotating main shaft. A stirring bracket is fixedly mounted on the rotating main shaft. The stirring support has a stirring shaft I movably mounted on the short arm end, a fixed blade fixedly mounted on the bottom of the stirring shaft I, a movable blade I movably mounted on the stirring shaft I, and springs I wound around the stirring shaft I at both ends of the movable blade I. The stirring support has a stirring shaft II movably mounted on the long arm end, and two sets of movable blades II movably mounted on the stirring shaft II. A spring II is wound around the stirring shaft II between the movable blades II and the stirring support. The fixed blade, movable blade I, and movable blade II are provided with several through holes, and the through holes are equipped with baffles, which can enhance the turbulence effect and fully disperse bubbles and solid particles, thereby improving the efficiency of stirring and dissolving.

2. The automatic grinding and dissolving device for food inspection and testing according to claim 1, characterized in that... The processing cylinder has a movable door at the opening on its side wall. The movable door is movably installed in the guide groove, which is fixedly installed on the side wall of the processing cylinder.

3. The automatic grinding and dissolving device for food inspection and testing according to claim 1, characterized in that... Several water pipes are fixedly connected to the side wall of the treatment cylinder.

4. The automatic grinding and dissolving device for food inspection and testing according to claim 1, characterized in that... A rotating baffle is provided below the partition, and the rotating baffle is movably installed in the through groove on the side wall of the processing cylinder.

5. An automatic grinding and dissolving device for food inspection and testing according to claim 1, characterized in that... The grinding disc is equipped with an electric telescopic rod II, the telescopic end of which is fixedly connected to a telescopic scraper I. The telescopic scraper I is movably installed in the movable groove inside the grinding disc. The grinding hammer is equipped with an electric telescopic rod III, the telescopic end of which is fixedly connected to a telescopic scraper II. The telescopic scraper II is movably installed in the movable groove inside the grinding hammer.

6. An automatic grinding and dissolving device for food inspection and testing according to claim 1, characterized in that... A back-blowing mechanism is provided between the protective top plate and the grinding hammer. The back-blowing mechanism includes a rotating sleeve I, a support plate I, a support plate II, a motor IV, an air pump, a motor V, a worm gear, a rotating sleeve II, a worm wheel, a rotating base, an air blowing pipe, and a connecting hose. The rotating sleeve I is equipped with support plate I and support plate II. The external gear ring on the rotating sleeve I on one side of support plate II is movably connected to the gear at the output end of motor IV. The support plate II is equipped with an air pump. The output end of the air pump is connected to the air blowing pipe through the connecting hose. The air blowing pipe is fixedly installed on the rotating base. The rotating base is movably installed between support plate I and support plate II. The external gear ring on the rotating base is movably connected to the external gear ring on the rotating sleeve II. The rotating sleeve II is movably installed between support plate I and support plate II. The worm wheel on the rotating sleeve II is movably connected to the worm gear at the output end of motor V. Motor V is fixedly installed on support plate I.

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