Sampling device with weighing structure for dry food detection

Abstract

The invention discloses a dry food detection sampling device with a weighing structure, and relates to the technical field of food detection.The dry food detection sampling device comprises a base, fixing plates are symmetrically mounted on one side of the top of the base, a crushing box is fixedly mounted on the tops of the two fixing plates, and a feeding port is connected to one side of the top of the crushing box in a penetrating mode; an end cover is arranged on the upper portion of the interior of the feeding port, the discharging pipe is connected to the bottom of the smashing box in a penetrating mode, a telescopic hose is connected to the bottom of the discharging pipe in a penetrating mode, an air inlet pipe is arranged on the upper portion of one side of the smashing box in a penetrating mode, and an air outlet pipe is connected to the upper portion of the other side of the smashing box in a penetrating mode; according to the food cooling device, when dry food is crushed, the food can be cooled, the situation that in the crushing process, the temperature is too high due to mechanical friction, food denaturation is caused in the crushing process, the crushing quality is prevented from being affected, the accuracy of subsequent detection is prevented from being affected, and practicability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of food detection, in particular to a sampling device for dry food detection with a weighing structure. Background Art

[0002] In order to ensure food safety, food safety supervision departments will sample and test various foods circulating on the market. When testing solid foods such as air-dried foods and freeze-dried foods, they need to be crushed before sampling and testing.

[0003] For example, a pulverizing sampling device for food quality and safety testing with announcement number CN219830523U is provided with a matching inner conical surface and outer conical surface between the upper grinding disc and the rotating grinding disc, forming a crushing chamber between them; the upper grinding disc is installed in the upper shell body for sliding up and down movement, and an adjusting screw is provided on the top to adjust and limit the upper grinding disc, and the driving component drives the rotating grinding disc to rotate, and grinds and crushes the material entering the crushing chamber, and the gap in the crushing chamber is changed by adjusting the relative position of the upper grinding disc and the rotating grinding disc to obtain crushed particles of different coarseness and fineness. However, in actual use, a certain amount of heat will be generated when the food is crushed due to mechanical friction, and some dry foods will contain It contains certain heat-sensitive ingredients, such as certain vitamins (such as vitamin C, B vitamins, etc.), flavor substances, pigments, etc. The heat generated during the crushing process may cause the degradation or denaturation of these ingredients, which will affect the accuracy of subsequent tests. In addition, for dry foods with high fat content, such as dehydrated meat and nuts, the fat may melt due to frictional heat during the crushing process, causing fat aggregation, affecting the crushing effect and sample uniformity. In addition, it is not convenient to perform quantitative sampling when sampling the food after crushing. During the sampling process, the food sample is easily ejected when it is fed into the container, affecting the quality of the test. There are certain usage defects.

[0004] Therefore, we propose a dry food testing sampling device with a weighing structure to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a sampling device for dry food detection with a weighing structure to solve the problem that when food is crushed, a certain amount of heat will be generated due to mechanical friction. Some dry foods contain certain heat-sensitive ingredients, such as certain vitamins (such as vitamin C, vitamin B group, etc.), flavor substances, pigments, etc. The heat generated during the crushing process may cause the degradation or denaturation of these ingredients, thereby affecting the accuracy of subsequent detection.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a dry food detection sampling device with a weighing structure, comprising a base, a fixing plate is symmetrically installed on one side of the top of the base, and a crushing box is fixedly installed on the top of the two fixing plates, and a feed port is connected through one side of the top of the crushing box, and an end cover is arranged above the inner part of the feed port; Also includes: The discharge pipe is connected through the bottom of the crushing box, a telescopic hose is connected through the bottom of the discharge pipe, an air inlet pipe is opened through the top of one side of the crushing box, and an air outlet pipe is connected through the top of the other side of the crushing box, and a support plate is fixedly installed on one side of the inner part of the air inlet pipe and the air outlet pipe, and an exhaust fan is fixedly installed on one side of the support plate on one side, and a blower is fixedly installed on one side of the support plate on the other side, and an air inlet pipe is connected through one side of the air inlet pipe, and a water tank is fixedly installed on the other side of the top of the base, and a heat exchange pipe is fixedly installed inside the water tank, and the end of the air inlet pipe away from the air inlet pipe is connected through the heat exchange pipe; A crushing assembly is arranged inside and on the top of the crushing box, and the crushing assembly includes a driving motor; A sampling assembly is arranged at the bottom of the base and below the crushing box; A filter assembly is arranged on one side of the inner part of the air outlet pipe; The driving motor is fixedly installed on one side of the top of the crushing box. The output end of the driving motor passes through the crushing box and is fixedly installed with a rotating shaft. A number of crushing blades are symmetrically installed below the outside of the rotating shaft. A supporting rod is fixedly installed below the inside of the crushing box. The rotating shaft is rotatably connected to the supporting rod. An annular tube is arranged above the inside of the crushing box.

[0007] Preferably, a number of mounting rods are symmetrically installed on both sides of the outer side of the annular tube, and the ends of the several mounting rods away from the annular tube are fixedly connected to the crushing box, and a connecting pipe is penetrated through one side of the annular tube, and at the same time, the end of the connecting pipe away from the annular tube is penetrated and connected to the air inlet pipe, and a number of air outlet pipes are penetrated through the bottom of the annular tube, and a movable ring is arranged below the annular tube.

[0008] By adopting the technical solution, the food can be blown while being crushed.

[0009] Preferably, an air guide plate is fixedly installed on the outer side of the movable ring and below the several air outlet pipes, and a mounting plate is symmetrically installed on the inner top of the crushing box, and movable rods are symmetrically slidably connected to the inner lower parts of the two mounting plates, and one end of the two movable rods is fixedly connected to the movable ring, and a telescopic spring is sleeved on one side of the outer side of the two movable rods, and one end of the telescopic spring is fixedly connected to the mounting plate, and a fixed block is fixedly installed on the other end of the telescopic spring, and the fixed block is fixedly connected to the movable rod.

[0010] By adopting the above technical solution, the movable ring can be moved, and the movable ring can be automatically reset after moving.

[0011] Preferably, a connecting plate is fixedly installed on one end of the two movable rods on one side close to the rotating shaft, and a rotating block is fixedly installed on the side of the rotating shaft close to the connecting plate, and protrusions are symmetrically installed on the outside of the rotating block, and the protrusions are slidably connected to the connecting plate.

[0012] By adopting the above technical solution, the rotation of the rotating shaft can drive the connecting plate to move.

[0013] Preferably, the sampling assembly includes a placement plate fixedly mounted on the top of the base below the crushing box, and a plurality of placement seats are arranged on the top of the placement plate, and weight sensors are arranged between the plurality of placement seats and the placement plate, and sampling boxes are arranged inside the plurality of placement seats, and a movable plate is slidably connected inside a fixed plate on one side, and the telescopic hose is fixedly connected to the movable plate.

[0014] By adopting the above technical solution, sampling is convenient and the samples can be weighed.

[0015] Preferably, a sliding rod is symmetrically and slidably connected to one side of the inner part of the movable plate, and a tension spring is sleeved on the outer upper part of the two sliding rods, and the two ends of the tension spring are respectively fixedly connected to the sliding rod and the movable plate, and a cover body is fixedly installed on the bottom of the two sliding rods, and a rotating rod is rotatably connected to the upper part of the inner part of the movable plate, and a pull rope is fixedly installed on one side of the bottom of the rotating rod, and a through hole is opened at the top of the movable plate below the pull rope, and the bottom end of the pull rope passes through the through hole and is fixedly connected to the cover body.

[0016] By adopting the above technical solution, the rotation of the rotating rod can move the cover body to above the sampling box, so as to facilitate sampling on different sampling boxes.

[0017] Preferably, one end of the rotating rod passes through the movable plate and is fixedly installed with a handle, and a torsion spring is sleeved on the outside of the rotating rod on one side of the handle, and the two ends of the torsion spring are respectively fixedly connected to the handle and the movable plate, and at the same time, a plurality of positioning blocks are fixedly installed on the top side of the rotating rod, and a through slot is penetrated and connected on one side of a fixed plate on one side, and the positioning block is adaptively connected to the through slot, and a positioning slot is opened on the upper part of the fixed plate on one side inside the through slot, and the positioning block is adaptively connected to the positioning slot.

[0018] By adopting the above technical solution, the movable plate can be moved conveniently, and the movable plate can be positioned conveniently after being moved.

[0019] Preferably, the filter assembly includes a filter screen fixedly mounted inside the air outlet duct near one side of the crushing box, and the output end of the exhaust fan passes through the filter screen and a cleaning rod is fixedly mounted on the outside, and bristles are provided on one side of the cleaning rod, and two groups of mounting blocks are symmetrically mounted on both sides of the cleaning rod, and a positioning rod is fixedly mounted between each group of two mounting blocks, the outsides of the two positioning rods are slidably connected with a scraper, and the outsides of the two positioning rods are located on one side of the scraper and a return spring is sleeved, and the two ends of the return spring are fixedly connected to one side of the mounting block and the scraper respectively, and at the same time, a rotating frame is fixedly mounted on one side of the two scrapers.

[0020] By adopting the above technical solution, it is possible to avoid the dust from adhering to the inner wall of the crushing box in large quantities after being dispersed, thereby reducing the scope and degree of dust adhesion and facilitating the subsequent cleaning of the inner wall of the crushing box.

[0021] Preferably, a column is fixedly installed below one side of the rotating frame close to the filter, and a fixing seat is fixedly installed inside the crushing box below the filter, and a V-shaped groove is opened on one side of the fixing seat, and the column is slidably connected to the V-shaped groove.

[0022] By adopting the above technical solution, the rotating frame can move while rotating.

[0023] Compared with the prior art, the present invention has the following beneficial effects: the sampling device for dry food detection with a weighing structure is provided with a crushing assembly inside and on the top of the crushing box, so that the food can be cooled when the dry food is crushed, so as to avoid excessive temperature caused by mechanical friction during the crushing process, avoid food denaturation during the crushing process, avoid affecting the crushing quality, avoid affecting the accuracy of subsequent detection, and improve practicality; 1. A crushing assembly is arranged inside and on the top of the crushing box. When testing and crushing dry food, the food is put into the crushing box through the feed port, and then the driving motor can be started to drive the rotating shaft to rotate, so that the crushing blade rotates to crush the food, and the blower is started at the same time to make the heat exchange pipe take in air, and cold water can be added to the water tank to cool the gas, so that the cooled gas enters the air inlet pipe through the air inlet pipe, and then the cooled gas enters the annular pipe through the connecting pipe, and is blown into the food through the air outlet pipe, so that the food can be blown and cooled during the crushing process, and while blowing air to the food, the airflow can disturb the food in the crushing box, and the food can be better crushed by the cooperation of the airflow and the crushing blade, thereby improving the crushing efficiency, and the rotating shaft can be rotated during the rotation process. The cam on the rotating block is driven to rotate. After the cam rotates, the connecting plate can be moved by sliding with a connecting plate on one side, so that the movable rod slides on the mounting plate, and the telescopic spring can be stretched or compressed to move the movable ring. After the movable ring moves, several air guide plates move under the air outlet pipe, thereby changing the direction of the air blowing. After the cam leaves the connecting plate, the movable rod is reset under the action of the telescopic spring, so that the rotation of the rotating shaft can drive the movable ring to move back and forth, thereby expanding the air blowing range of the air outlet pipe. The crushing assembly can be used to cool the dry food when it is crushed, so as to avoid excessive temperature due to mechanical friction during the crushing process, avoid food denaturation during the crushing process, avoid affecting the crushing quality, avoid affecting the accuracy of subsequent detection, and improve practicality. 2. When sampling the food after it is crushed, a valve is provided on the discharge pipe. The valve on the discharge pipe is opened so that the crushed food can be discharged through the telescopic hose, so that the material can fall into the sampling box. In the sampling process, the cover body is always above the outside of the sampling box and does not contact the sampling box, so that the discharge of the material during the sampling process can be avoided, material waste can be avoided, and the accuracy of the sampling can be avoided. The material can be weighed by a weight sensor while sampling. After one of the sampling boxes has sampled enough, the valve on the discharge pipe can be closed, and then the handle can be turned to drive the rotating rod to rotate, and the torsion spring can be deformed. After the rotating rod rotates, the positioning block is driven to rotate, so that the positioning block rotates out of the positioning slot and enters the through slot, and the rotating rod rotates. After the movable rod rotates, the pull rope can be driven to reel in, so that the cover body can be pulled to move upward, so that the sliding rod slides on the movable plate and the tension spring is deformed, and then the movable plate can be moved, and the positioning block can leave the through slot, driving the telescopic hose to move, so that the discharge end of the telescopic hose moves to above another sampling box, so that the corresponding positioning block enters the through slot, and at this time the handle can be loosened, and the rotating rod is reset under the action of the torsion spring, and the corresponding positioning block is reset and rotated into the positioning slot to position the movable plate, and the cover body can be reset to cover above another sampling box, so that multiple sampling can be performed, which is convenient for multiple detection of samples to improve detection accuracy, avoid accidental detection, and retain samples, thereby improving practicality; 3. While the food is being crushed, the exhaust fan inside the air outlet duct is started so that the gas can be extracted while the food is being blown. A certain amount of dust will be generated during the crushing process. The food dust generated during the extraction process can be adsorbed on the filter on the air outlet duct as the extraction process proceeds. The generated dust can be prevented from being dispersed too widely in the crushing box, and a large amount of dust can be prevented from being attached to the inner wall of the crushing box after being dispersed, which can reduce the range and degree of dust attachment. This facilitates the subsequent cleaning of the inner wall of the crushing box. After the food dust is attached to the filter with the airflow, the operation of the exhaust fan can drive the cleaning rod to rotate, which can clean the dust on the filter to prevent the filter from being blocked and affecting the passage of gas. The dust cleaned up during the circular rotation of the cleaning rod will gather on the cleaning rod When the cleaning rod rotates to a downward angle, part of the dust can fall into the crushing box under the action of gravity, and part of the food dust will continue to adhere to one side of the filter under the action of negative pressure as the cleaning rod rotates. At this time, the column rod on the rotating frame can be rotated into the V-shaped groove on the fixed seat. Then the rotating frame continues to rotate, and the column rod slides inside the V-shaped groove, so that the rotating frame can be pulled to move, and then the two scrapers can be driven to move downward on the positioning rod and stretch the reset spring to make the scraper move downward. After the scraper moves downward, the dust gathered on one side of the cleaning rod can be scraped off, so as to avoid the dust from being attached to one side of the filter under the action of negative pressure after the cleaning rod cleans the filter, thereby avoiding affecting the cleaning effect and avoiding the dust generated during the crushing process from being widely dispersed and attached to the inside of the crushing box, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the partial structure of the crushing assembly of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure of the middle A area; Figure 5 For the present invention Figure 2 Schematic diagram of the enlarged structure of the middle B area; Figure 6 It is a schematic diagram of the local structure of the sampling assembly of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of the middle C area; Figure 8 It is a schematic diagram of the cross-sectional structure of the left side fixing plate of the present invention; Fig. 9 This is a schematic diagram of the structure of the filter assembly of the present invention; Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure of area D in the middle.

[0025] In the figure: 1. base; 101. fixing plate; 102. crushing box; 103. feeding port; 104. discharging pipe; 105. telescopic hose; 106. air inlet pipe; 1061. air inlet pipe; 107. air outlet pipe; 108. supporting plate; 109. air supply fan; 110. exhaust fan; 111. heat exchange pipe; 112. water tank; 2. crushing assembly; 201. driving motor; 202. rotating shaft; 2021. crushing blade; 203. supporting rod; 204. annular pipe; 205. mounting rod; 206. connecting pipe; 207. air outlet pipe; 208. movable ring; 209. air guide plate; 210. mounting plate; 211. movable rod; 212. telescopic spring; 213. fixing block ; 214, connecting plate; 215, rotating block; 216, protrusion; 3, sampling assembly; 301, placement plate; 302, placement seat; 303, weight sensor; 304, sampling box; 305, movable plate; 306, sliding rod; 307, tension spring; 308, cover; 309, rotating rod; 310, pull rope; 311, handle; 312, torsion spring; 313, positioning block; 314, through groove; 315, positioning groove; 4, filtering assembly; 401, filter; 402, cleaning rod; 403, mounting block; 404, positioning rod; 405, scraper; 406, reset spring; 407, rotating frame; 408, column; 409, fixed seat; 410, V-shaped groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 10 The present invention provides a technical solution: a dry food detection sampling device with a weighing structure, comprising a base 1, a fixing plate 101 is symmetrically installed on one side of the top of the base 1, and a crushing box 102 is fixedly installed on the top of the two fixing plates 101, and a feed port 103 is connected through one side of the top of the crushing box 102, and an end cover is arranged above the inner part of the feed port 103; Also includes: The discharge pipe 104 is connected through the bottom of the crushing box 102, and a telescopic hose 105 is connected through the bottom of the discharge pipe 104. An air inlet pipe 106 is opened through the top of one side of the crushing box 102, and an air outlet pipe 107 is connected through the top of the other side of the crushing box 102. At the same time, a support plate 108 is fixedly installed on one side of the inner part of the air inlet pipe 106 and the air outlet pipe 107, and an exhaust fan 110 is fixedly installed on one side of the support plate 108 on one side, and a blower 109 is fixedly installed on one side of the support plate 108 on the other side, and an air inlet pipe 1061 is connected through one side of the air inlet pipe 106. At the same time, a water tank 112 is fixedly installed on the other side of the top of the base 1, and a heat exchange pipe 111 is fixedly installed inside the water tank 112, and the end of the air inlet pipe 1061 away from the air inlet pipe 106 is connected through the heat exchange pipe 111; A crushing assembly 2 is arranged inside and on the top of the crushing box 102, and the crushing assembly 2 includes a driving motor 201; A driving motor 201 is fixedly installed on one side of the top of the crushing box 102. The output end of the driving motor 201 passes through the crushing box 102 and is fixedly installed with a rotating shaft 202. A plurality of crushing blades 2021 are symmetrically installed below the outer portion of the rotating shaft 202. A supporting rod 203 is fixedly installed below the inner portion of the crushing box 102. The rotating shaft 202 is rotatably connected to the supporting rod 203. An annular tube 204 is provided above the inner portion of the crushing box 102. A plurality of mounting rods 205 are symmetrically mounted on both sides of the outer side of the annular tube 204, and the ends of the plurality of mounting rods 205 away from the annular tube 204 are fixedly connected to the crushing box 102, and a connecting pipe 206 is connected through one side of the annular tube 204, and the end of the connecting pipe 206 away from the annular tube 204 is connected through the air inlet pipe 106, and a plurality of air outlet pipes 207 are connected through the bottom of the annular tube 204, and a movable ring 208 is arranged below the annular tube 204; An air guide plate 209 is fixedly installed on the outer side of the movable ring 208 and below the plurality of air outlet pipes 207, and a mounting plate 210 is symmetrically installed on the top of the inner side of the crushing box 102, and movable rods 211 are symmetrically slidably connected to the inner and lower sides of the two mounting plates 210, and one end of the two movable rods 211 is fixedly connected to the movable ring 208, and a telescopic spring 212 is sleeved on one side of the outer side of the two movable rods 211, and one end of the telescopic spring 212 is fixedly connected to the mounting plate 210, and a fixed block 213 is fixedly installed on the other end of the telescopic spring 212, and the fixed block 213 is fixedly connected to the movable rod 211; A connecting plate 214 is fixedly installed on one end of the two movable rods 211 on one side close to the rotating shaft 202, and a rotating block 215 is fixedly installed on one side of the rotating shaft 202 close to the connecting plate 214, and a protrusion 216 is symmetrically installed on the outside of the rotating block 215, and the protrusion 216 is slidably connected to the connecting plate 214.

[0028] Embodiment 1: like Figure 1-Figure 4 As shown, a crushing assembly 2 is arranged inside and on the top of the crushing box 102. When the dry food is tested and crushed, the food is put into the crushing box 102 through the feed port 103, and then the driving motor 201 can be started to drive the rotating shaft 202 to rotate, so that the crushing blade 2021 rotates to crush the food, and the blower 109 is started during the crushing to make the heat exchange tube 111 take in air, and cold water can be added to the water tank 112 to cool the gas, so that the cooled gas enters the air inlet pipe 106 through the air inlet pipe 1061, and then the cooled gas enters the annular pipe 204 through the connecting pipe 206, and is blown into the food through the air outlet pipe 207, so that the food can be blown and cooled during the crushing process, and while the food is blown, the airflow can disturb the food in the crushing box 102, and the food can be better crushed by the cooperation of the airflow and the crushing blade 2021, thereby improving the crushing efficiency, and the rotating shaft 202 can be rotated during the rotation process. The protrusion 216 on the rotating block 215 is driven to rotate. After the protrusion 216 rotates, the connecting plate 214 can be pushed to move by sliding with the connecting plate 214 on one side, so that the movable rod 211 slides on the mounting plate 210, and the telescopic spring 212 can be stretched or compressed to move the movable ring 208. After the movable ring 208 moves, several air guide plates 209 move under the air outlet pipe 207, thereby changing the direction of blowing. After the protrusion 216 leaves the connecting plate 214, the movable rod 211 is reset under the action of the telescopic spring 212, so that the rotation of the rotating shaft 202 can drive the movable ring 208 to move back and forth, thereby expanding the blowing range of the air outlet pipe 207. The crushing assembly 2 allows the food to be cooled when the dry food is crushed, so as to avoid excessive temperature caused by mechanical friction during the crushing process, avoid food denaturation during the crushing process, avoid affecting the crushing quality, avoid affecting the accuracy of subsequent detection, and improve practicality.

[0029] The sampling assembly 3 is arranged at the bottom of the base 1 and below the crushing box 102; The sampling assembly 3 includes a placement plate 301 fixedly mounted on the top of the base 1 and located below the crushing box 102, and a plurality of placement seats 302 are arranged on the top of the placement plate 301, and a weight sensor 303 is arranged between the plurality of placement seats 302 and the placement plate 301, and a sampling box 304 is arranged inside the plurality of placement seats 302, and a movable plate 305 is slidably connected inside the fixed plate 101 on one side, and the telescopic hose 105 is fixedly connected to the movable plate 305; A sliding rod 306 is symmetrically slidably connected to one side of the inner part of the movable plate 305, and a tension spring 307 is sleeved on the outer upper part of the two sliding rods 306, and the two ends of the tension spring 307 are fixedly connected to the sliding rod 306 and the movable plate 305 respectively, and a cover body 308 is fixedly installed at the bottom of the two sliding rods 306, and a rotating rod 309 is rotatably connected to the upper part of the inner part of the movable plate 305, and a pull rope 310 is fixedly installed on one side of the bottom of the rotating rod 309, and a through hole is opened through the top of the movable plate 305 below the pull rope 310, and the bottom end of the pull rope 310 passes through the through hole and is fixedly connected to the cover body 308; One end of the rotating rod 309 passes through the movable plate 305 and is fixedly installed with a handle 311, and a torsion spring 312 is sleeved on the outside of the rotating rod 309 on one side of the handle 311, and the two ends of the torsion spring 312 are respectively fixedly connected to the handle 311 and the movable plate 305, and at the same time, a plurality of positioning blocks 313 are fixedly installed on the top side of the rotating rod 309, and a through slot 314 is penetrated and connected on one side of the fixed plate 101 on one side, and the positioning block 313 is adaptively connected to the through slot 314, and a positioning slot 315 is opened on the upper part of the fixed plate 101 on one side inside the through slot 314, and the positioning block 313 is adaptively connected to the positioning slot 315.

[0030] Embodiment 2: like Figure 1-Figure 2 and Figure 5-Figure 8As shown, when sampling is performed after the food is crushed, a valve is provided on the discharge pipe 104. The valve on the discharge pipe 104 is opened so that the crushed food can be discharged through the telescopic hose 105, so that the material can fall into the sampling box 304, and during the sampling process, the cover body 308 is always above the outside of the sampling box 304 and does not contact the sampling box 304, which can avoid the discharge of the material during the sampling process, avoid material waste, and avoid affecting the accuracy of the sampling. While the material is being sampled, it can be weighed by the weight sensor 303. After one of the sampling boxes 304 has sampled enough, the valve on the discharge pipe 104 can be closed, and then the handle 311 can be turned to drive the rotating rod 309 to rotate, and the torsion spring 312 can be deformed. After the rotating rod 309 rotates, it drives the positioning block 313 to rotate, so that the positioning block 313 rotates to leave the positioning groove 315 and enter the through groove 314, and the rotating rod 309 rotates. After the movement, the pull rope 310 can be driven to reel up, so that the cover body 308 can be pulled upward, so that the sliding rod 306 can slide on the movable plate 305 and the tension spring 307 can be deformed. Then the movable plate 305 can be moved, and the positioning block 313 can leave the through slot 314, driving the telescopic hose 105 to move, so that the discharge end of the telescopic hose 105 moves to the top of another sampling box 304, so that the corresponding positioning block 313 enters the through slot 314. At this time, the handle 311 can be released, and the rotating rod 309 is reset under the action of the torsion spring 312. The corresponding positioning block 313 is reset and rotated into the positioning slot 315 to position the movable plate 305, and the cover body 308 can be reset to cover the top of another sampling box 304, so that multiple sampling can be performed, which is convenient for multiple detection of samples to improve detection accuracy, avoid accidental detection, and retain samples, thereby improving practicality.

[0031] The filter assembly 4 is arranged on one side of the inner part of the air outlet pipe 107; The filter assembly 4 includes a filter screen 401 fixedly installed inside the air outlet pipe 107 near one side of the crushing box 102, and the output end of the exhaust fan 110 passes through the filter screen 401 and is fixedly installed with a cleaning rod 402 on the outside, and bristles are provided on one side of the cleaning rod 402, and two groups of mounting blocks 403 are symmetrically installed on both sides of the cleaning rod 402, and a positioning rod 404 is fixedly installed between each group of two mounting blocks 403, and the outsides of the two positioning rods 404 are slidably connected with a scraper 405, and the outsides of the two positioning rods 404 are located on one side of the scraper 405. A return spring 406 is sleeved, and the two ends of the return spring 406 are respectively fixedly connected to one side of the mounting block 403 and the scraper 405, and at the same time, a rotating frame 407 is fixedly installed on one side of the two scrapers 405; A column 408 is fixedly installed below one side of the rotating frame 407 close to the filter 401, and a fixing seat 409 is fixedly installed inside the crushing box 102 below the filter 401, and a V-shaped groove 410 is opened on one side of the fixing seat 409, and the column 408 is slidably connected to the V-shaped groove 410.

[0032] Embodiment 3: like Figure 1-Figure 2 and Figure 9-10 As shown, while the food is being crushed, the exhaust fan 110 inside the air outlet pipe 107 is started, so that the gas can be extracted while the food is blown. A certain amount of dust will be generated while the food is being crushed. The food dust generated while the air is being extracted can be adsorbed on the filter screen 401 on the air outlet pipe 107 as the air is being extracted. The generated dust can be prevented from being dispersed in a large range in the crushing box 102, and a large amount of dust can be prevented from being attached to the inner wall of the crushing box 102 after being dispersed, so as to reduce the range and degree of dust attachment, which facilitates the subsequent cleaning of the inner wall of the crushing box 102. After the food dust is attached to the filter screen 401 with the air flow, the operation of the exhaust fan 110 can drive the cleaning rod 402 to rotate, so as to clean the dust on the filter screen 401, so as to prevent the filter screen 401 from being blocked and affecting the passage of gas, and the dust cleaned up during the circular rotation of the cleaning rod 402 will gather on one side of the cleaning rod 402. When the filter 401 is moved downward, part of the dust can fall into the crushing box 102 under the action of gravity, and part of the food dust will continue to adhere to one side of the filter 401 under the action of negative pressure as the cleaning rod 402 rotates. At this time, the column rod 408 on the rotating frame 407 can rotate into the V-shaped groove 410 on the fixed seat 409, and then the rotating frame 407 continues to rotate, and the column rod 408 slides inside the V-shaped groove 410, so that the rotating frame 407 can be pulled to move, and then the two scrapers 405 can be driven to move downward on the positioning rod 404 and stretch the return spring 406, so that the scraper 405 moves downward. After the scraper 405 moves downward, the dust gathered on the side of the cleaning rod 402 can be scraped off, so as to avoid the dust from being attached to one side of the filter 401 under the action of negative pressure after the cleaning rod 402 cleans the filter 401, thereby avoiding affecting the cleaning effect and preventing the dust generated during the crushing process from being widely dispersed and attached to the inside of the crushing box 102, thereby improving practicality.

[0033] Working principle: When using the dry food sampling device with a weighing structure, first, Figure 1-Figure 10As shown, a crushing assembly 2 is arranged inside and on the top of the crushing box 102. When the dry food is tested and crushed, the food is put into the crushing box 102 through the feed port 103, and then the driving motor 201 can be started to drive the rotating shaft 202 to rotate, so that the crushing blade 2021 rotates to crush the food, and the air blower 109 is started at the same time of crushing to make the heat exchange pipe 111 take in air, and cold water can be added to the water tank 112 to cool the gas, so that the cooled gas enters the air inlet pipe 106 through the air inlet pipe 1061, and then the cooled gas enters the annular pipe 204 through the connecting pipe 206, and is blown into the food through the air outlet pipe 207, so that the food can be blown and cooled during the crushing process, and while blowing air to the food, the airflow can disturb the food in the crushing box 102, and the air can cool the food through the air outlet pipe 207. The cooperation between the air flow and the crushing blade 2021 can better crush the food and improve the crushing efficiency. The rotating shaft 202 can drive the protrusion 216 on the rotating block 215 to rotate during the rotation process. After the protrusion 216 rotates, it can push the connecting plate 214 to move by sliding with the connecting plate 214 on one side, so that the movable rod 211 slides on the mounting plate 210, and the telescopic spring 212 can be stretched or compressed to move the movable ring 208. After the movable ring 208 moves, several air guide plates 209 move under the outlet pipe 207, thereby changing the blowing direction. After the protrusion 216 leaves the connecting plate 214, the movable rod 211 is reset under the action of the telescopic spring 212, so that the rotation of the rotating shaft 202 can drive the movable ring 208 to move back and forth, thereby expanding the blowing range of the outlet pipe 207. When sampling the food after it is crushed, a valve is provided on the discharge pipe 104. The valve on the discharge pipe 104 is opened to allow the crushed food to be discharged through the telescopic hose 105, so that the material can fall into the sampling box 304. During the sampling process, the cover body 308 is always above the outside of the sampling box 304 and does not contact the sampling box 304, which can avoid the ejection of the material during the sampling process, avoid material waste, and avoid affecting the accuracy of the sampling. While the material is being sampled, it can be weighed by the weight sensor 303. After one of the sampling boxes 304 has sampled enough, the valve on the discharge pipe 104 can be closed, and then the handle 311 can be turned to drive the rotating rod 309 to rotate, and the torsion spring 312 can be deformed. After the rotating rod 309 rotates, it drives the positioning block 313 to rotate, so that the positioning block 313 rotates to leave the positioning slot 315 and enter the through slot 314, and after the rotating rod 309 rotates, it can drive the pull rope 310 to reel, so that the cover body 308 can be pulled upward, so that the sliding rod 306 slides on the movable plate 305, and the tension spring 307 is deformed, and then the movable plate 305 can be moved, and the positioning block 313 can leave the through slot 314, driving the telescopic hose 105 to move, so that the discharge end of the telescopic hose 105 moves to the top of another sampling box 304, so that the corresponding positioning block 313 enters the through slot 314, and the handle 311 can be released at this time, and the rotating rod 309 is reset under the action of the torsion spring 312, and the corresponding positioning The block 313 is reset and rotated into the positioning groove 315 to position the movable plate 305, and the cover body 308 can be reset and covered on the other sampling box 304, so that multiple sampling can be performed, which is convenient for multiple detection of samples to improve the detection accuracy and avoid accidental detection. Samples can be retained, which improves practicality. While the food is being crushed, the exhaust fan 110 inside the air outlet pipe 107 is started, so that the gas can be extracted while the food is blown. A certain amount of dust will be generated during the crushing. The food dust generated during the extraction can be adsorbed on the filter screen 401 on the air outlet pipe 107 as the extraction proceeds. The generated dust can be prevented from being dispersed too widely in the crushing box 102 to avoid After the dust is dispersed, a large amount of dust is adhered to the inner wall of the crushing box 102, which can reduce the scope and degree of dust adhesion, which is convenient for the subsequent cleaning of the inner wall of the crushing box 102. After the food dust is attached to the filter screen 401 with the airflow, the operation of the exhaust fan 110 can drive the cleaning rod 402 to rotate, and the dust on the filter screen 401 can be cleaned to avoid the clogging of the filter screen 401 affecting the passage of gas. In addition, the dust cleaned off during the circular rotation of the cleaning rod 402 will gather on one side of the cleaning rod 402. When the cleaning rod 402 is rotated to a downward angle, part of the dust can fall into the crushing box 102 under the action of gravity, and part of the food dust will continue to adhere to one side of the filter screen 401 under the action of negative pressure as the cleaning rod 402 rotates.At this time, the column 408 on the rotating frame 407 can rotate into the V-shaped groove 410 on the fixed seat 409, and then the rotating frame 407 continues to rotate, and the column 408 slides inside the V-shaped groove 410, so that the rotating frame 407 can be pulled to move, and then the two scrapers 405 can be driven to move downward on the positioning rod 404 and stretch the return spring 406, so that the scrapers 405 move downward. After the scrapers 405 move downward, they can scrape off the dust gathered on one side of the cleaning rod 402, so as to avoid the dust from being attached to one side of the filter 401 under the negative pressure after the cleaning rod 402 cleans the filter 401, so as to avoid affecting the cleaning effect, and to avoid the dust generated during the crushing process from being widely dispersed and attached to the inside of the crushing box 102, thereby improving practicality.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dry food testing sampling device with a weighing structure, comprising a base (1), a fixing plate (101) being symmetrically mounted on one side of the top of the base (1), a crushing box (102) being fixedly mounted on the top of two fixing plates (101), a feeding port (103) being connected through one side of the top of the crushing box (102), and an end cover being arranged above the inside of the feeding port (103); It is characterized in that Also includes: A discharge pipe (104) is connected to the bottom of the crushing box (102), a telescopic hose (105) is connected to the bottom of the discharge pipe (104), an air inlet pipe (106) is opened on one side of the crushing box (102), and an air outlet pipe (107) is opened on the other side of the crushing box (102), and a support plate (108) is fixedly installed on one side of the inner part of the air inlet pipe (106) and the air outlet pipe (107), and the support plate (108) on one side is fixedly installed on the inner part of the air inlet pipe (106) and the air outlet pipe (107). An exhaust fan (110) is fixedly mounted on one side, and an air supply fan (109) is fixedly mounted on one side of the support plate (108) on the other side, and an air intake pipe (1061) is connected through one side of the air intake pipe (106), while a water tank (112) is fixedly mounted on the other side of the top of the base (1), and a heat exchange pipe (111) is fixedly mounted inside the water tank (112), and an end of the air intake pipe (1061) away from the air intake pipe (106) is connected through the heat exchange pipe (111); A pulverizing assembly (2) is arranged inside and on the top of the pulverizing box (102), and the pulverizing assembly (2) comprises a driving motor (201); A sampling assembly (3) is arranged at the bottom of the base (1) and is located below the crushing box (102); A filter assembly (4) is arranged on one side of the interior of the air outlet pipe (107); A driving motor (201) is fixedly mounted on one side of the top of the crushing box (102); an output end of the driving motor (201) passes through the crushing box (102) and is fixedly mounted with a rotating shaft (202); a plurality of crushing blades (2021) are symmetrically mounted below the outside of the rotating shaft (202); a supporting rod (203) is fixedly mounted below the inside of the crushing box (102); the rotating shaft (202) is rotatably connected to the supporting rod (203); and an annular tube (204) is arranged above the inside of the crushing box (102).

2. A dry food testing sampling device with a weighing structure according to claim 1, characterized in that: A plurality of mounting rods (205) are symmetrically mounted on both sides of the outer side of the annular tube (204), and the ends of the plurality of mounting rods (205) away from the annular tube (204) are fixedly connected to the crushing box (102), and a connecting tube (206) is connected through one side of the annular tube (204), and the end of the connecting tube (206) away from the annular tube (204) is connected through the air inlet pipe (106), and a plurality of air outlet pipes (207) are connected through the bottom of the annular tube (204), and a movable ring (208) is provided below the annular tube (204).

3. A dry food testing sampling device with a weighing structure according to claim 2, characterized in that: An air guide plate (209) is fixedly installed on the outside of the movable ring (208) and below the plurality of air outlet pipes (207), and a mounting plate (210) is symmetrically installed on the top of the inner part of the crushing box (102), and movable rods (211) are symmetrically slidably connected to the inner bottom of the two mounting plates (210), and one end of the two movable rods (211) is fixedly connected to the movable ring (208), and a telescopic spring (212) is sleeved on one side of the outer side of the two movable rods (211), and one end of the telescopic spring (212) is fixedly connected to the mounting plate (210), and a fixed block (213) is fixedly installed on the other end of the telescopic spring (212), and the fixed block (213) is fixedly connected to the movable rod (211).

4. The dry food testing sampling device with a weighing structure according to claim 3, characterized in that: A connecting plate (214) is fixedly mounted on one end of the two movable rods (211) close to the rotating shaft (202), and a rotating block (215) is fixedly mounted on the outside of the rotating shaft (202) close to the connecting plate (214), and convex blocks (216) are symmetrically mounted on the outside of the rotating block (215), and the convex blocks (216) are slidably connected to the connecting plate (214).

5. The dry food testing sampling device with a weighing structure according to claim 1, characterized in that: The sampling assembly (3) comprises a placement plate (301) fixedly mounted on the top of the base (1) and located below the crushing box (102), and a plurality of placement seats (302) are arranged on the top of the placement plate (301), and weight sensors (303) are arranged between the plurality of placement seats (302) and the placement plate (301), and a sampling box (304) is arranged inside the plurality of placement seats (302), and a movable plate (305) is slidably connected inside the fixed plate (101) on one side, and the telescopic hose (105) is fixedly connected to the movable plate (305).

6. The dry food testing sampling device with a weighing structure according to claim 5, characterized in that: A sliding rod (306) is symmetrically slidably connected to one side of the inner part of the movable plate (305), and a tension spring (307) is sleeved on the outer upper part of the two sliding rods (306), and the two ends of the tension spring (307) are respectively fixedly connected to the sliding rod (306) and the movable plate (305), and a cover body (308) is fixedly installed at the bottom of the two sliding rods (306), and a rotating rod (309) is rotatably connected to the upper part of the inner part of the movable plate (305), and a pull rope (310) is fixedly installed on one side of the bottom of the rotating rod (309), and a through hole is opened through the top of the movable plate (305) below the pull rope (310), and the bottom end of the pull rope (310) passes through the through hole and is fixedly connected to the cover body (308).

7. A dry food testing sampling device with a weighing structure according to claim 6, characterized in that: One end of the rotating rod (309) passes through the movable plate (305) and is fixedly mounted with a handle (311), and a torsion spring (312) is sleeved on the outside of the rotating rod (309) and located on one side of the handle (311), and the two ends of the torsion spring (312) are respectively fixedly connected to the handle (311) and the movable plate (305), and a plurality of positioning blocks (313) are fixedly mounted on one side of the top of the rotating rod (309), and a through slot (314) is penetrated and connected to one side of the fixed plate (101), and the positioning block (313) is adaptively connected to the through slot (314), and a positioning slot (315) is provided on the fixed plate (101) and located above the inside of the through slot (314), and the positioning block (313) is adaptively connected to the positioning slot (315).

8. The dry food testing sampling device with a weighing structure according to claim 1, characterized in that: The filter assembly (4) comprises a filter screen (401) fixedly mounted inside the air outlet pipe (107) near the crushing box (102), and the output end of the exhaust fan (110) passes through the filter screen (401) and is fixedly mounted with a cleaning rod (402) on the outside, and bristles are arranged on one side of the cleaning rod (402), and two groups of mounting blocks (403) are symmetrically mounted on both sides of the cleaning rod (402), and a positioning rod (404) is fixedly mounted between each group of two mounting blocks (403), and the outsides of the two positioning rods (404) are slidably connected with a scraper (405), and the outsides of the two positioning rods (404) are sleeved with a return spring (406) located on one side of the scraper (405), and the two ends of the return spring (406) are respectively fixedly connected to one side of the mounting block (403) and the scraper (405), and a rotating frame (407) is fixedly mounted on one side of the two scrapers (405).

9. The dry food testing sampling device with a weighing structure according to claim 8, characterized in that: A column rod (408) is fixedly installed below one side of the rotating frame (407) close to the filter screen (401), and a fixing seat (409) is fixedly installed inside the crushing box (102) below the filter screen (401), and a V-shaped groove (410) is opened on one side of the fixing seat (409), and the column rod (408) is slidably connected to the V-shaped groove (410).

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