Filtering and extracting device for food detection

Abstract

The application relates to the technical field of food detection, and more specifically discloses a filtering and extracting device for food detection, which comprises a positioning device, a crushing device is installed at the top of the inner side of the positioning device, a filtering device is fixedly connected to the bottom of the inner side of the positioning device, a transmission belt is installed at the outer side of the crushing device and the filtering device, the crushing device comprises a sealing cover plate assembly, and a crushing assembly is installed at the inner side of the sealing cover plate assembly; the second servo motor works to drive the third rotating positioning shaft to rotate, then drives the centrifugal filtering sleeve and the second limiting ring to rotate, the first filtering sleeve is synchronously rotated in the rotating process of the conduction flow pipe, the rotating directions of the conduction flow pipe and the first filtering sleeve are opposite to the rotating direction of the crushing positioning shaft, so that the crushing efficiency of the food is ensured in the crushing process of the food, and the heavy metals in the food can be extracted by the subsequent extracting liquid.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of food detection, more particularly to a filtering and extracting device for food detection. BACKGROUND

[0002] The purpose of food detection is to qualitatively or quantitatively analyze the physicochemical properties, nutritional components, microbial content, additive use and pollutants (such as pesticide residues, heavy metals, toxins, etc.) of food by scientific methods, to ensure that food meets safety standards, nutritional requirements and regulatory requirements, to protect consumer health, prevent foodborne diseases, maintain fair trade in the market, and promote the standardized development of the food industry.

[0003] In food detection, the purpose of heavy metal detection is to determine the content of harmful heavy metals such as lead, cadmium, mercury and arsenic in food, to assess whether it exceeds the safety limit standard, to avoid the accumulation of heavy metals in the body due to long-term intake of food with excessive heavy metals (such as liver and kidney damage, nervous system damage, carcinogenic risk, etc.), and to protect food safety and consumer health.

[0004] The existing heavy metal detection equipment has some deficiencies in use, which are as follows:

[0005] In the process of detecting solid food by the existing detection equipment, the solid food needs to be crushed, soaked with an extracting liquid, and then the heavy metal content in the food is detected by detecting the extracting liquid. However, the existing extracting device needs to be manually operated by a worker, which is difficult to ensure the extraction efficiency. In addition, the existing equipment affects the detection efficiency when used because there are too many impurities in the soaking or extracting liquid. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the present application provides a filtering and extracting device for food detection to solve the problems in the background art.

[0007] The present application provides the following technical solution: a filtering and extracting device for food detection, comprising a positioning device, a crushing device is installed on the top of the inner side of the positioning device, a filtering device is fixedly connected to the bottom of the inner side of the positioning device, a transmission belt is installed on the outer side of the crushing device and the filtering device, the crushing device comprises a sealing cover plate assembly, a crushing assembly is installed on the inner side of the sealing cover plate assembly, the sealing cover plate assembly comprises a positioning arc-shaped plate, a square positioning groove is formed in the top of the positioning arc-shaped plate, a positioning ring is fixedly connected to the front and back of the positioning arc-shaped plate, a conductive flow pipe is installed on the front and back of the positioning arc-shaped plate, a first limiting ring is fixedly connected to the outer side of the conductive flow pipe, and a sealing discharge plate is fixedly connected to the bottom of the first limiting ring.

[0008] Further, the positioning device comprises a first fixed plate, the top and bottom of both sides of the first fixed plate are fixedly connected with first positioning round plates, the top and bottom of the first fixed plate are fixedly connected with second positioning round plates, the outer side of the first fixed plate is fixedly connected with a sealed shell, the bottom of both sides of the sealed shell is fixedly connected with positioning legs, the front surface of the first positioning round plate is mounted with a first rotary positioning shaft, the back surface of the first rotary positioning shaft is fixedly connected with a transmission positioning wheel, the front and back surfaces of the transmission positioning wheel are fixedly connected with connecting shafts, the top of both sides of the inner side of the sealed shell is fixedly connected with sealed stop blocks, and the bottom of the back surface of the second positioning round plate of the back surface of the positioning device is fixedly connected with a liquid discharge hole.

[0009] Further, the crushing assembly comprises a first servo motor, the output shaft of the first servo motor is fixedly connected with a second rotary positioning shaft, the back surface of the second rotary positioning shaft is fixedly connected with a crushing positioning shaft, the outer side of the crushing positioning shaft is fixedly connected with a first filter sleeve, the back surface of the inner side of the first filter sleeve is fixedly connected with a connecting arc-shaped plate, the outer side of the connecting arc-shaped plate is provided with a crushing positioning ring, the top of the crushing positioning ring is fixedly connected with a food injection pipe, and the outer side of the crushing positioning shaft is fixedly connected with a crushing knife.

[0010] Further, the filtering device comprises a second servo motor, the output shaft of the second servo motor is fixedly connected with a third rotary positioning shaft, the back surface of the third rotary positioning shaft is fixedly connected with a centrifugal filter sleeve, the outer side of the centrifugal filter sleeve is fixedly connected with a second limiting ring, the back surface of the centrifugal filter sleeve is mounted with a centrifugal positioning ring, the inner side of the centrifugal positioning ring is fixedly connected with a flow guide cone, the front and back surfaces of the inner side of the flow guide cone are provided with flow guide inclined surfaces, the inner side of the centrifugal positioning ring is fixedly connected with a second connecting arc-shaped plate, the top of the centrifugal positioning ring is fixedly connected with a first square tube, the top of the first square tube is fixedly connected with a variable-diameter flow guide square tube, the top of the variable-diameter flow guide square tube is fixedly connected with a second square tube, and the top of the second square tube is provided with an arc surface.

[0011] Further, the transmission flow pipe is provided with a circular hole on the side away from the positioning arc-shaped plate, the gap between the diameter of the circular hole of the transmission flow pipe and the diameter of the outer side of the first filter sleeve is matched, the gap between the distance between the first limiting rings and the width of the transmission belt is matched, the bottom of the sealed discharge plate is provided with a circular arc, the center of the circular arc of the sealed discharge plate overlaps with the center of the outer side of the first limiting ring, and the outer side of the first limiting ring is attached to the inner side of the transmission flow pipe.

[0012] Further, the conducting flow pipe is provided with a positioning groove on the side close to the positioning arc-shaped plate, the gap between the cross-sectional size of the conducting flow pipe positioning groove and the cross-sectional size of the positioning ring is matched, the gap between the projection size of the square positioning groove and the projection size of the food injection pipe is matched, the first filter sleeve on the front and back of the crushing positioning ring is connected and positioned through the connecting arc-shaped plate, and the gap between the diameter of the outer side of the connecting arc-shaped plate and the diameter of the inner side of the crushing positioning ring is matched.

[0013] Further, the first rotating positioning shaft and the first positioning circular plate are connected through a bearing, the outer side of the transmission positioning wheel is provided with a transmission groove, the gap between the width of the transmission positioning wheel transmission groove and the width of the transmission belt is matched, and the gap between the cross-sectional size of the inner side of the sealing shell and the cross-sectional size of the first fixed plate, the first positioning circular plate and the second positioning circular plate is matched.

[0014] Further, the top of the sealing stopper is provided with an arc-shaped positioning notch, the center of the arc-shaped notch of the sealing stopper and the center of the top circular arc of the sealing shell are overlapped, and the gap between the diameter of the arc surface and the diameter of the outer side of the sealing discharge plate is matched.

[0015] Technical effects and advantages of the present application:

[0016] During the working process of the present application, the food to be detected is placed into the equipment through the food injection pipe, then the second rotating positioning shaft is rotated through the working of the first servo motor, then the crushing positioning shaft is synchronously rotated, then the crushing knife is rotated to effectively crush the food falling into the crushing assembly, and when the crushed food particles are smaller than the diameter of the first filter sleeve filter screen, the food particles fall into the inner side of the sealing cover plate assembly and the outer side of the crushing assembly, and at the same time, the third rotating positioning shaft is rotated through the working of the second servo motor, then the centrifugal filter sleeve and the second limiting ring are rotated, the transmission belt is driven to rotate, thereby driving the first positioning circular plate, the transmission positioning wheel and the connecting shaft to rotate, the transmission belt is guided and the conducting flow pipe is relatively rotated with the positioning arc-shaped plate, and the first filter sleeve is synchronously rotated during the rotation of the conducting flow pipe, and the rotation of the conducting flow pipe and the first filter sleeve is opposite to the rotation of the crushing positioning shaft, so that the crushing efficiency of the food is ensured during the crushing of the food, and the heavy metals in the food are extracted by the subsequent extraction liquid.

[0017] The application is characterized in that after the food is crushed, the extraction liquid is injected into the inside of the crushing device through the food injection pipe, then the first servo motor works to drive the crushing positioning shaft to rotate, then the crushing knife is driven to stir and mix the food and the extraction liquid, the filter device works to drive the first filter sleeve and the conduction flow pipe to rotate, so that the mixed liquid of the extraction liquid and the residual food in the crushing device is discharged to the top inside the positioning device under the action of the centrifugal force, then the liquid inside the sealing cover plate assembly falls into the inside of the second square pipe when the sealing discharge plate rotates to the bottom, then the liquid enters the inside of the centrifugal filter sleeve through the different-diameter flow guide square pipe and the first square pipe, then the food residues in the extraction liquid are filtered under the action of the centrifugal force of the filter device, so that the impurities in the extraction liquid are reduced, and the detection work of the subsequent workers is facilitated.

[0018] The application can simultaneously perform the crushing work and the injection of the extraction liquid, can play a mixing and stirring role in the crushing process, and can further mix the extraction liquid and the food mixture in the process of rotating the first filter sleeve and the conduction flow pipe, and can cause the mixed liquid to be discharged into the filter device in the process of overlapping the sealing discharge plate and the second square pipe, and can clean the inside of the first fixed plate in the process of rotating the sealing discharge plate, so that the cleaning can be completed after the use by injecting clean water, and the user can use it conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the application.

[0020] Figure 2 It is a whole structure cross-sectional schematic view of the application.

[0021] Figure 3 It is a positioning device structure schematic view of the application.

[0022] Figure 4 It is a crushing device structure schematic view of the application.

[0023] Figure 5 It is a sealing cover plate assembly structure schematic view of the application.

[0024] Figure 6 It is a crushing assembly structure schematic view of the application.

[0025] Figure 7 It is a filter device structure schematic view of the application.

[0026] The figure marks are: 1, positioning device; 101, first fixed plate; 102, first positioning circular plate; 103, second positioning circular plate; 104, sealing shell; 105, positioning leg; 106, first rotating positioning shaft; 107, transmission positioning wheel; 108, connecting shaft; 109, sealing stop block; 1010, liquid discharge hole; 2, crushing device; 201, sealing cover plate assembly; 2011, positioning arc plate; 2012, square positioning groove; 2013, positioning ring; 2014, conduction flow pipe; 2015, first limiting ring; 2016, sealing discharge plate; 202, crushing assembly; 2021, first servo motor; 2022, second rotating positioning shaft; 2023, crushing positioning shaft; 2024, first filter sleeve; 2025, crushing positioning ring; 2026, connecting arc plate; 2027, food injection pipe; 2028, crushing knife; 3, filtering device; 301, second servo motor; 302, third rotating positioning shaft; 303, centrifugal filter sleeve; 304, second limiting ring; 305, centrifugal positioning ring; 306, flow guide cone; 307, second connecting arc plate; 308, flow guide slope; 309, first square tube; 3010, reducing flow guide square tube; 3011, second square tube; 3012, arc surface; 4, transmission belt. DETAILED DESCRIPTION

[0027] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application. In addition, the forms of each structure described in the following embodiments are only examples, and the food detection filtering and extracting device involved in the present application is not limited to each structure described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0028] REFERENCE Figures 1 to 7 The present application provides a food detection filtering and extracting device, which comprises a positioning device 1, a crushing device 2 is installed on the top of the inner side of the positioning device 1, a filtering device 3 is fixedly connected to the bottom of the inner side of the positioning device 1, a transmission belt 4 is installed on the outer side of the crushing device 2 and the filtering device 3, the crushing device 2 comprises a sealing cover plate assembly 201, a crushing assembly 202 is installed on the inner side of the sealing cover plate assembly 201, the sealing cover plate assembly 201 comprises a positioning arc plate 2011, a square positioning groove 2012 is formed on the top of the positioning arc plate 2011, a positioning ring 2013 is fixedly connected to the front and back surfaces of the positioning arc plate 2011, a conduction flow pipe 2014 is installed on the front and back surfaces of the positioning arc plate 2011, a first limiting ring 2015 is fixedly connected to the outer side of the conduction flow pipe 2014, and a sealing discharge plate 2016 is fixedly connected to the bottom of the first limiting ring 2015.

[0029] In a preferred implementation, the positioning device 1 comprises a first fixed plate 101, the top and bottom of both sides of which are fixedly connected with first positioning round plates 102, the top and bottom of the first fixed plate 101 are fixedly connected with second positioning round plates 103, the outer side of the first fixed plate 101 is fixedly connected with a sealed housing 104, the bottom of both sides of the sealed housing 104 is fixedly connected with positioning legs 105, the front surface of the first positioning round plate 102 is mounted with a first rotating positioning shaft 106, the back surface of the first rotating positioning shaft 106 is fixedly connected with a transmission positioning wheel 107, the front and back surfaces of the transmission positioning wheel 107 are fixedly connected with a connecting shaft 108, both sides of the top of the inner side of the sealed housing 104 are fixedly connected with sealed stop blocks 109, the bottom of the back surface of the second positioning round plate 103 on the back surface of the positioning device 1 is fixedly connected with a liquid discharge hole 1010; during the working process, the food to be detected is placed into the equipment through the food injection pipe 2027, then the second rotating positioning shaft 2022 is driven to rotate by the first servo motor 2021, then the crushing positioning shaft 2023 is synchronously rotated, then the crushing knife 2028 is rotated to effectively crush the food falling into the crushing assembly 202, the crushed food particles smaller than the diameter of the filter screen of the first filter sleeve 2024 fall to the inner side of the sealed cover plate assembly 201 and the outer side of the crushing assembly 202, and at the same time, the third rotating positioning shaft 302 is driven to rotate by the second servo motor 301, then the centrifugal filter sleeve 303 and the second limiting ring 304 are rotated, the transmission belt 4 is driven to rotate, so that the first positioning round plate 102, the transmission positioning wheel 107 and the connecting shaft 108 are rotated, the transmission belt 4 is guided and the transmission flow pipe 2014 is driven to rotate relative to the positioning arc-shaped plate 2011, and the first filter sleeve 2024 is synchronously rotated in the rotating process of the transmission flow pipe 2014, the rotation directions of the transmission flow pipe 2014 and the first filter sleeve 2024 are opposite to the rotation direction of the crushing positioning shaft 2023, so that the crushing efficiency of the food is ensured during the crushing process of the food, which is convenient for the subsequent extraction liquid to extract heavy metals in the food.

[0030] In a preferred embodiment, the pulverizing assembly 202 includes a first servo motor 2021. The output shaft of the first servo motor 2021 is fixedly connected to a second rotary positioning shaft 2022. A pulverizing positioning shaft 2023 is fixedly connected to the back of the second rotary positioning shaft 2022. A first filter sleeve 2024 is fixedly connected to the outer side of the pulverizing positioning shaft 2023. A connecting arc-shaped plate 2026 is fixedly connected to the back of the inner side of the first filter sleeve 2024. A pulverizing positioning ring 2025 is provided on the outer side of the connecting arc-shaped plate 2026. A food injection tube 2027 is fixedly connected to the top of the pulverizing positioning ring 2025. A pulverizing blade 2028 is fixedly connected to the outer side of the pulverizing positioning shaft 2023. After the food is pulverized, the extract is injected into the pulverizing device 2 through the food injection tube 2027, and then the first servo motor 2021... The operation of device 021 drives the pulverizing positioning shaft 2023 to rotate, which in turn drives the pulverizing blade 2028 to stir and mix the food and extract. Meanwhile, the operation of the filtration device 3 drives the first filter sleeve 2024 and the flow guide tube 2014 to rotate via the transmission belt 4, so that the extract and the food residue in the pulverizing device 2 are mixed. Under the action of centrifugal force, the liquid is discharged to the top inside the positioning device 1. Then, when the sealing discharge plate 2016 rotates to the bottom, the liquid inside the sealing cover assembly 201 falls into the second square tube 3011. Then, it enters the centrifugal filter sleeve 303 through the reducing flow guide square tube 3010 and the first square tube 309. Under the action of centrifugal force, the food residue in the extract is filtered, reducing impurities in the extract and facilitating subsequent testing by staff.

[0031] In a preferred implementation, the filtering device 3 comprises a second servo motor 301, the output shaft of the second servo motor 301 is fixedly connected with a third rotating positioning shaft 302, the back surface of the third rotating positioning shaft 302 is fixedly connected with a centrifugal filter sleeve 303, the outer side of the centrifugal filter sleeve 303 is fixedly connected with a second limiting ring 304, the back surface of the centrifugal filter sleeve 303 is installed with a centrifugal positioning ring 305, the inner side of the centrifugal positioning ring 305 is fixedly connected with a flow guide cone 306, the front and back surfaces of the inner side of the flow guide cone 306 are provided with flow guide inclined surfaces 308, the inner side of the centrifugal positioning ring 305 is fixedly connected with a second connecting arc-shaped plate 307, the top of the centrifugal positioning ring 305 is fixedly connected with a first square tube 309, the top of the first square tube 309 is fixedly connected with a variable-diameter flow guide square tube 3010, the top of the variable-diameter flow guide square tube 3010 is fixedly connected with a second square tube 3011, and the top of the second square tube 3011 is provided with an arc surface 3012; the crushing work and the injection of the extraction liquid can be carried out at the same time, and in the process of crushing, the mixing and stirring functions can be achieved, and in the process of rotation of the first filter sleeve 2024 and the conductive flow pipe 2014, the extraction liquid is located inside the conductive flow pipe 2014, in the process of rotation of the conductive flow pipe 2014, the sealing discharge plate 2016 is attached to the top of the inner side of the sealing shell 104 and the top of the sealing block 109, so that the extraction liquid and the food mixture are further mixed in the process of rotation of the first filter sleeve 2024 and the conductive flow pipe 2014, and in the process of overlapping of the sealing discharge plate 2016 and the second square tube 3011, the mixed liquid is discharged into the filtering device 3, and in the process of rotation of the sealing discharge plate 2016, the inner side of the first fixed plate 101 can be cleaned, and after use, the cleaning can be completed by injecting clean water, which is convenient for users to use.

[0032] In a preferred implementation, the conductive flow pipe 2014 is provided with a circular hole away from the positioning arc-shaped plate 2011, the diameter of the circular hole of the conductive flow pipe 2014 and the diameter of the outer side of the first filter sleeve 2024 are gap-fitted, the distance between the first limiting ring 2015 and the width of the transmission belt 4 are gap-fitted, the bottom of the sealing discharge plate 2016 is provided with a circular arc, the center of the circular arc of the sealing discharge plate 2016 overlaps with the center of the outer side of the first limiting ring 2015, and the outer side of the first limiting ring 2015 is attached to the inner side of the conductive flow pipe 2014.

[0033] In a preferred embodiment, the conducting flow pipe 2014 is provided with a positioning groove near one side of the positioning arc-shaped plate 2011, the gap between the cross-sectional size of the positioning groove of the conducting flow pipe 2014 and the cross-sectional size of the positioning ring 2013 is matched, the gap between the projected size of the square positioning groove 2012 and the projected size of the food injection pipe 2027 is matched, the first filter sleeve 2024 on the front and back of the crushing positioning ring 2025 is connected and positioned through the connecting arc-shaped plate 2026, and the gap between the diameter of the outer side of the connecting arc-shaped plate 2026 and the diameter of the inner side of the crushing positioning ring 2025 is matched.

[0034] In a preferred embodiment, the first rotating positioning shaft 106 is connected with the first positioning circular plate 102 through a bearing, the outer side of the transmission positioning wheel 107 is provided with a transmission groove, the gap between the width of the transmission groove of the transmission positioning wheel 107 and the width of the transmission belt 4 is matched, and the gap between the cross-sectional size of the inner side of the sealing shell 104 and the cross-sectional size of the first fixed plate 101, the first positioning circular plate 102 and the second positioning circular plate 103 is matched.

[0035] In a preferred embodiment, the top of the sealing stopper 109 is provided with an arc-shaped positioning notch, the center of the arc-shaped notch of the sealing stopper 109 overlaps with the center of the top circular arc of the sealing shell 104, and the gap between the diameter of the arc surface 3012 and the diameter of the outer side of the sealing discharge plate 2016 is matched.

[0036] The working principle of the application is as follows: in the working process, the food to be detected is placed into the equipment through the food injection pipe 2027, then the second rotating positioning shaft 2022 is rotated by the first servo motor 2021, then the crushing positioning shaft 2023 is synchronously rotated, then the crushing knife 2028 is rotated to effectively crush the food falling into the crushing assembly 202, the food particles after crushing are smaller than the diameter of the filter screen of the first filter sleeve 2024 and fall into the inner side of the sealing cover plate assembly 201 and the outer side of the crushing assembly 202, and at the same time, the third rotating positioning shaft 302 is rotated by the second servo motor 301, then the centrifugal filter sleeve 303 and the second limiting ring 304 are rotated, the transmission belt 4 is driven, the first positioning circular plate 102, the transmission positioning wheel 107 and the connecting shaft 108 are rotated, the transmission belt 4 is guided and the conducting flow pipe 2014 is relatively rotated relative to the positioning arc-shaped plate 2011, and the first filter sleeve 2024 is synchronously rotated during the rotation of the conducting flow pipe 2014, the rotation directions of the conducting flow pipe 2014 and the first filter sleeve 2024 are opposite to the rotation direction of the crushing positioning shaft 2023, so that the crushing efficiency of the food is ensured during the crushing of the food, and the heavy metals in the food are extracted by the subsequent extraction liquid.

[0037] After the food is crushed, the extraction liquid is injected into the inside of the crushing device 2 through the food injection pipe 2027, and then the first servo motor 2021 is driven to rotate the crushing positioning shaft 2023, and then the crushing knife 2028 is driven to stir and mix the food and the extraction liquid, and the filtering device 3 is driven to rotate the first filtering sleeve 2024 and the conduction flow pipe 2014 through the transmission belt 4, so that the mixed liquid of the extraction liquid and the food remaining in the crushing device 2 is discharged to the top inside of the positioning device 1 under the action of the centrifugal force, and then the liquid inside the sealing cover plate assembly 201 when the sealing discharge plate 2016 rotates to the bottom falls into the inside of the second square pipe 3011, and then enters the inside of the centrifugal filtering sleeve 303 through the different-diameter flow guide square pipe 3010 and the first square pipe 309, and then the food residues in the extraction liquid are filtered under the action of the centrifugal force of the filtering device 3, so that the impurities in the extraction liquid are reduced, facilitating the detection work of the subsequent workers.

[0038] The crushing work and the injection of the extraction liquid can be carried out at the same time, and in the process of crushing, the mixing and stirring effect can be achieved, and in the process of rotating the first filtering sleeve 2024 and the conduction flow pipe 2014, the extraction liquid is located inside the conduction flow pipe 2014, and in the process of rotating the conduction flow pipe 2014, the sealing discharge plate 2016 is attached to the top inside of the sealing shell 104 and the top of the sealing stopper 109, so that the mixture of the extraction liquid and the food is further mixed in the process of rotating the first filtering sleeve 2024 and the conduction flow pipe 2014, and in the process of overlapping the sealing discharge plate 2016 and the second square pipe 3011, the mixed liquid is discharged into the filtering device 3, and the inside of the first fixed plate 101 can be cleaned in the process of rotating the sealing discharge plate 2016, and after use, the cleaning can be completed by injecting clean water, facilitating the use of the user.

[0039] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0040] Secondly: the present application discloses the structure involved in the embodiment of the present application, and other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0041] Finally: the above only for the preferred embodiments of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A filtering extraction device for food detection comprising a positioning device (1), characterized in that: The inside top of the positioning device (1) is provided with a crushing device (2), and the inside bottom of the positioning device (1) is fixedly connected with a filtering device (3); the crushing device (2) and the filtering device (3) are provided with a transmission belt (4) on the outside thereof; the crushing device (2) comprises a sealing cover plate assembly (201), and the inside of the sealing cover plate assembly (201) is provided with a crushing assembly (202); the sealing cover plate assembly (201) comprises a positioning arc-shaped plate (2011), the top of the positioning arc-shaped plate (2011) is provided with a square positioning groove (2012), the front and back surfaces of the positioning arc-shaped plate (2011) are fixedly connected with a positioning ring (2013), and the front and back surfaces of the positioning arc-shaped plate (2011) are provided with a conduction flow pipe (2014); the outside of the conduction flow pipe (2014) is fixedly connected with a first limiting ring (2015), and the bottom of the first limiting ring (2015) is fixedly connected with a sealing discharge plate (2016). The positioning device (1) comprises a first fixed plate (101), and the top and bottom of the two sides of the first fixed plate (101) are fixedly connected with a first positioning circular plate (102); the top and bottom of the first fixed plate (101) are fixedly connected with a second positioning circular plate (103); the outside of the first fixed plate (101) is fixedly connected with a sealing shell (104), and the bottom of the two sides of the sealing shell (104) is fixedly connected with a positioning supporting leg (105); the front surface of the first positioning circular plate (102) is provided with a first rotating positioning shaft (106), the back surface of the first rotating positioning shaft (106) is fixedly connected with a transmission positioning wheel (107), the front and back surfaces of the transmission positioning wheel (107) are fixedly connected with a connecting shaft (108), the two sides of the top of the inside of the sealing shell (104) are fixedly connected with a sealing stopper (109), and the bottom of the back surface of the second positioning circular plate (103) of the back surface of the positioning device (1) is fixedly connected with a liquid discharge hole (1010). The crushing assembly (202) comprises a first servo motor (2021), and the output shaft of the first servo motor (2021) is fixedly connected with a second rotating positioning shaft (2022); the back surface of the second rotating positioning shaft (2022) is fixedly connected with a crushing positioning shaft (2023), the outside of the crushing positioning shaft (2023) is fixedly connected with a first filtering sleeve (2024), the back surface of the inside of the first filtering sleeve (2024) is fixedly connected with a connecting arc-shaped plate (2026), the outside of the connecting arc-shaped plate (2026) is provided with a crushing positioning ring (2025), the top of the crushing positioning ring (2025) is fixedly connected with a food injection pipe (2027), and the outside of the crushing positioning shaft (2023) is fixedly connected with a crushing knife (2028).

2. The filtering and extracting device for food detection according to claim 1, characterized in that: The filtering device (3) comprises a second servo motor (301), the output shaft of the second servo motor (301) is fixedly connected with a third rotating positioning shaft (302), the back surface of the third rotating positioning shaft (302) is fixedly connected with a centrifugal filter sleeve (303), the outer side of the centrifugal filter sleeve (303) is fixedly connected with a second limiting ring (304), the back surface of the centrifugal filter sleeve (303) is installed with a centrifugal positioning ring (305), the inner side of the centrifugal positioning ring (305) is fixedly connected with a flow guide cone (306), the front and back surfaces of the inner side of the flow guide cone (306) are provided with flow guide inclined surfaces (308), the inner side of the centrifugal positioning ring (305) is fixedly connected with a second connecting arc-shaped plate (307), the top of the centrifugal positioning ring (305) is fixedly connected with a first square tube (309), the top of the first square tube (309) is fixedly connected with a variable-diameter flow guide square tube (3010), the top of the variable-diameter flow guide square tube (3010) is fixedly connected with a second square tube (3011), and the top of the second square tube (3011) is provided with an arc surface (3012).

3. The filtering and extracting device for food detection according to claim 2, characterized in that: The side, away from the positioning arc-shaped plate (2011), of the conductive flow pipe (2014) is provided with a circular hole, the diameter of the circular hole of the conductive flow pipe (2014) and the diameter of the outer side of the first filter sleeve (2024) are in clearance fit, the distance between the first limiting rings (2015) and the width of the transmission belt (4) are in clearance fit, the bottom of the sealing discharge plate (2016) is provided with a circular arc, the center of the circular arc of the sealing discharge plate (2016) overlaps with the center of the outer side of the first limiting ring (2015), and the outer side of the first limiting ring (2015) is attached to the inner side of the conductive flow pipe (2014).

4. The filtering and extracting device for food detection according to claim 3, characterized in that: The side, close to the positioning arc-shaped plate (2011), of the conductive flow pipe (2014) is provided with a positioning groove, the cross-sectional dimension of the positioning groove of the conductive flow pipe (2014) and the cross-sectional dimension of the positioning ring (2013) are in clearance fit, the projection dimension of the square positioning groove (2012) and the projection dimension of the food injection pipe (2027) are in clearance fit, the first filter sleeve (2024) of the front and back surfaces of the crushing positioning ring (2025) is connected and positioned through the connecting arc-shaped plate (2026), and the diameter of the outer side of the connecting arc-shaped plate (2026) and the diameter of the inner side of the crushing positioning ring (2025) are in clearance fit.

5. The filtering and extracting device for food detection according to claim 3, characterized in that: The first rotating positioning shaft (106) and the first positioning circular plate (102) are connected through bearing positioning, the outer side of the transmission positioning wheel (107) is provided with a transmission groove, the width of the transmission groove of the transmission positioning wheel (107) and the width of the transmission belt (4) are in clearance fit, and the cross-sectional dimension of the inner side of the sealing shell (104) and the cross-sectional dimensions of the first fixed plate (101), the first positioning circular plate (102) and the second positioning circular plate (103) are in clearance fit.

6. The filtering and extracting device for food detection according to claim 3, characterized in that: The top of the sealing stopper (109) is provided with an arc-shaped positioning notch, the center of the arc-shaped notch of the sealing stopper (109) and the center of the top arc of the sealing shell (104) are overlapped, and the diameter of the arc surface (3012) and the diameter of the outer side of the sealing discharge plate (2016) are gap-fitted.

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