Detection device for food

Abstract

The utility model is suitable for the technical field of food detection equipment, and provides a food detection device, which comprises a base, a detection device and a control device, a feeding assembly; the positioning assembly comprises a positioning rotating disc and a detection assembly, and the positioning rotating disc is provided with a plurality of positioning grooves used for positioning the food so that the detection assembly can conveniently conduct air tightness detection on the food; the detection assembly comprises a connecting piece, a positioning piece and a detection piece, the positioning piece sleeves the connecting piece and is connected with the connecting piece through a connecting spring, and the detection piece is provided with a first connecting part and a second connecting part. According to the utility model, the food is positioned through the positioning groove on the positioning turntable, the positioning piece moves from top to bottom and is pressed on the food, and whether the food package leaks air or not is detected according to whether the first connecting part and the second connecting part in the detection piece are disconnected or not; the problems that food inflow water goes bad and cannot be recycled and the detection cost is increased due to the fact that detection is conducted through an in-water pressure reduction method are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of food detection equipment, and particularly relates to a detection device for food. Background Technique

[0002] Food packaging plays a crucial role in modern society. It not only protects food but also facilitates consumers' purchase and use. The main application areas of food packaging include: protecting and extending the shelf life of food, providing information and brand display, facilitating consumers' use, promoting sales and marketing, environmental protection and sustainability, etc. Food packaging is not only a shell for protecting food but also an important part of technological innovation and marketing.

[0003] The detection of food packaging is one of the key steps to ensure packaging quality and food safety. The detection items for food packaging include: packaging integrity detection, material safety detection, packaging label and printing quality detection, packaging durability and stability detection, active packaging ingredient detection, etc. The detection of food packaging ensures food safety and quality, and guarantees the safety and confidence of consumers when purchasing and using food.

[0004] In the prior art, for the detection of food packaging integrity, it mainly detects whether the food packaging is damaged and the airtightness of the food packaging. In related technologies, generally, the water decompression method is adopted to detect the airtightness of the food packaging. In most cases, the product is immersed in water, and whether there are bubbles in the water is observed to judge the airtightness of the food packaging. However, by using this method to detect the airtightness of the food packaging, when the packaging leaks, water will flow into the packaging and soak the food, resulting in the food getting wet and deteriorating, and it cannot be recycled, increasing the detection cost. Content of the Utility Model

[0005] The purpose of the embodiment of the utility model is to provide a detection device for food, aiming to solve the problem that in most cases, the product is immersed in water, and whether there are bubbles in the water is observed to judge the airtightness of the food packaging. However, by using this method to detect the airtightness of the food packaging, when the packaging leaks, water will flow into the packaging and soak the food, resulting in the food getting wet and deteriorating, and it cannot be recycled, increasing the detection cost.

[0006] The embodiment of the utility model is implemented as follows. A detection device for food, the detection device for food includes:

[0007] A base for installing positioning components;

[0008] Positioning assembly, the positioning assembly includes a positioning turntable and a detection assembly. The positioning turntable is provided with a plurality of positioning grooves for positioning food to facilitate the detection assembly to perform airtightness detection on the food. The rotation of the positioning turntable is controlled by a rotation assembly to convey the detected food to the discharging assembly;

[0009] The detection assembly includes a connecting piece, a positioning piece and a detection piece. The positioning piece is sleeved on the connecting piece and connected by a connecting spring. The detection piece is provided with a first connecting portion and a second connecting portion and is respectively installed on the positioning piece and the connecting piece. The connecting piece drives the positioning piece to press on the food and detects whether the food packaging is leaking air according to whether the first connecting portion and the second connecting portion on the detection piece are disconnected.

[0010] Preferably, the detection device for food further includes a feeding assembly for conveying food to the positioning assembly. The feeding assembly includes a guiding plate and a first conveying group. Two groups of guiding plates are provided and are respectively installed on both sides of the first conveying group. The guiding plates are installed on the base through a first bracket and a fixing piece. The two groups of guiding plates are set as arc-shaped plates and the distance between the two groups of guiding plates is the same as the groove width of the positioning groove on the positioning turntable to facilitate guiding the food to move onto the positioning groove.

[0011] Preferably, the first conveying group includes a first conveying belt, a first power group and a first transmission group. The first power group is installed on the base. The first power group is in transmission connection with the first transmission group. The first transmission group is connected to the first conveying belt to drive the food on the first conveying belt to move onto the positioning turntable.

[0012] Preferably, the positioning assembly further includes a positioning bracket. The positioning bracket is set as a bent structure. The fixing part of the positioning bracket is installed on the base. The length direction of the connecting part of the positioning bracket is parallel to the upper surface of the base. The connecting part of the positioning bracket is used to install the detection assembly so that the detection assembly is located directly above the positioning groove on the positioning turntable.

[0013] Preferably, the positioning turntable is set as an annular disc structure. A connecting hole is provided at the central position of the positioning turntable. A rack is provided on the hole wall of the connecting hole. The connecting hole is in transmission connection with the rotation assembly to facilitate the rotation assembly to drive the positioning turntable to rotate; the outer side surface of the positioning turntable is recessed inward to form a positioning groove.

[0014] Preferably, the rotation assembly includes a second power group and a transmission gear. The second power group is installed on the base. The second power group is in transmission connection with the transmission gear. The transmission gear is meshed with the rack on the connecting hole of the positioning turntable. The transmission gear is used to drive the positioning turntable to rotate to drive the food in the positioning groove to the discharging assembly.

[0015] Preferably, the detection assembly further includes a third power group, which is installed on the positioning bracket of the positioning assembly. The output end of the third power group is in transmission connection with the connecting piece. The third power group is used to drive the connecting piece to move in the vertical direction. The connecting piece is arranged in a cylindrical structure. The positioning piece is provided with a rod part and a plate part. The rod part of the positioning piece is sleeved on the connecting piece and connected by a connecting spring. The plate part of the positioning piece is used to position the food. The first connecting part of the detection piece is installed at the end of the connecting piece, and the second connecting part is installed at the end of the rod part of the positioning piece. The connecting piece drives the plate part of the positioning piece to press above the food. When the food packaging is airtight, the first connecting part and the second connecting part are completely connected to realize the rotation of the positioning turntable and move the airtight food to the discharging assembly. When the food packaging is air-leaking, the connecting spring between the positioning piece and the connecting piece is stretched, and the first connecting part and the second connecting part are separated to realize the rotation of the positioning turntable and move the air-leaking food to the discharging assembly.

[0016] Preferably, the discharging assembly is installed on the base. The discharging assembly includes a second conveying group, a third conveying group, a fourth power group, and a second transmission group. The second conveying group is used to convey the food with airtight food packaging. The third conveying group is used to convey the food with air-leaking food packaging. The fourth power group is in transmission connection with the second transmission group. The second transmission group includes a first transmission wheel and a second transmission wheel. The first transmission wheel is in transmission connection with the fourth power assembly through a first transmission belt. The first transmission wheel is meshed with the second transmission wheel. The first transmission wheel drives the second conveying group to move through a second transmission belt to facilitate the conveyance of airtight food. The second transmission wheel drives the third conveying group to move through a third transmission belt to facilitate the conveyance of air-leaking food.

[0017] A food detection device provided by an embodiment of the present invention. The present invention is provided with a feeding assembly to convey the food to be detected onto the positioning assembly. A positioning turntable and a detection assembly are provided on the positioning assembly. The food is positioned through the positioning groove on the positioning turntable, and then the positioning piece on the detection assembly moves downward and presses on the food. When the food packaging is airtight, the positioning piece presses on the food and cannot move. At this time, the first connecting part and the second connecting part of the detection piece are completely connected. When the food packaging is air-leaking, the connecting piece drives the positioning piece to move, causing the connecting spring to be stretched and the first connecting part and the second connecting part to be disconnected. Whether the food packaging is air-leaking is detected based on whether the first connecting part and the second connecting part in the detection piece are disconnected, solving the problems that the food is deteriorated due to water ingress during the detection by the underwater decompression method, cannot be recycled, and the detection cost is increased. Description of the Drawings

[0018] Figure 1 It is a three-dimensional structure diagram of a food detection device provided by an embodiment of the present invention;

[0019] Figure 2 The structural schematic diagram of the feeding component, positioning component and discharging component in a detection device for food provided by an embodiment of the present invention;

[0020] Figure 3 The transmission principle structural schematic diagram of the discharging component in a detection device for food provided by an embodiment of the present invention.

[0021] In the drawings: 1, base; 2, feeding component; 21, guide plate; 22, first conveying group; 221, first power group; 3, positioning component; 31, positioning turntable; 311, positioning groove; 312, rack; 313, second power group; 314, transmission gear; 32, detection component; 321, positioning piece; 322, connecting piece; 323, detection piece; 3231, first connection part; 3232, second connection part; 324, connecting spring; 325, third power group; 33, positioning bracket; 4, discharging component; 41, second conveying group; 42, third conveying group; 43, fourth power group. Detailed implementation manners

[0022] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0023] The following describes the specific implementation of the present invention in detail with reference to specific embodiments.

[0024] As Figures 1-3 shown, it is the structural diagram of a detection device for food provided by an embodiment of the present invention, including: a base 1, and the base 1 is used for the installation of the positioning component 3;

[0025] A positioning component 3, the positioning component 3 includes a positioning turntable 31 and a detection component 32. The positioning turntable 31 is provided with a plurality of positioning grooves 311 for positioning food so as to facilitate the detection component 32 to perform airtightness detection on the food. The positioning turntable 31 is rotated by a rotating component so as to convey the detected food onto the discharging component 4;

[0026] The detection component 32 includes a connecting piece 322, a positioning piece 321, and a detection piece 323. The positioning piece 321 is sleeved on the connecting piece 322 and connected by a connecting spring 324. The detection piece 323 is provided with a first connecting portion 3231 and a second connecting portion 3232 and is respectively installed on the positioning piece 321 and the connecting piece 322. The connecting piece 322 drives the positioning piece 321 to press on the food, and whether the first connecting portion 3231 and the second connecting portion 3232 on the detection piece 323 are disconnected is used to detect whether there is air leakage in the food packaging.

[0027] In the embodiment of the present utility model, preferably, the detection device for food is mainly used to detect whether there is air leakage in the food packaging and perform the airtightness detection of the food packaging. The detection device for food is composed of a base 1, a feeding component 2, a positioning component 3, and a discharging component 4. The base 1 is used for the installation of the feeding component 2, the positioning component 3, and the discharging component 4. The feeding component 2 conveys the food to be detected to the positioning turntable 31 of the positioning component 3, and the positioning groove 311 on the positioning turntable 31 positions the food so that the detection component 32 located above the positioning turntable 31 can detect the food. In the detection component 32, the positioning piece 321 is sleeved in the connecting piece 322, and a connecting spring 324 is provided and connected between the connecting piece 322 and the positioning piece 321. In the detection piece 323, the first connecting portion 3231 and the second connecting portion 3232 are respectively installed on the connecting piece 322 and the positioning piece 321, and the first connecting portion 3231 and the second connecting portion 3232 are in a connected state before detection. When detecting, the connecting piece 322 drives the positioning piece 321 to move downward from top to bottom. The positioning piece 321 first presses on the food packaging. When the food packaging is airtight, the positioning piece 321 cannot continue to move. At this time, the connecting spring 324 remains unchanged and the first connecting portion 3231 and the second connecting portion 3232 of the detection piece 323 are in a connected state, indicating that the airtightness of the detected food packaging is good. When the food packaging is air-leaking, the positioning piece 321 can continue to move and stretch the connecting spring 324 so that the first connecting portion 3231 and the second connecting portion 3232 of the detection piece 323 are in a disconnected state, indicating that the airtightness of the detected food packaging is poor and there is an air-leaking situation.

[0028] In an example of the present utility model, a feeding component 2 is provided to convey the food to be detected onto a positioning component 3. A positioning turntable 31 and a detection component 32 are arranged on the positioning component 3. The food is positioned through the positioning groove 311 on the positioning turntable 31, and then the positioning member 321 on the detection component 32 moves downward and presses on the food. When the food packaging is airtight, the positioning member 321 cannot move when pressing on the food, and at this time, the first connecting portion 3231 and the second connecting portion 3232 of the detection member 323 are completely connected. When the food packaging is air-leaking, the connecting member 322 drives the positioning member 321 to move, causing the connecting spring 324 to be stretched and the first connecting portion 3231 and the second connecting portion 3232 to be disconnected. Whether the first connecting portion 3231 and the second connecting portion 3232 in the detection member 323 are disconnected is used to detect whether the food packaging is air-leaking, solving the problems that the food gets deteriorated due to water ingress during the detection by the water decompression method, cannot be recycled, and the detection cost increases.

[0029] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the detection device for food further includes a feeding component 2, and the feeding component 2 is used to convey food onto a positioning component 3. The feeding component 2 includes a guiding plate 21 and a first conveying group 22. Two groups of guiding plates 21 are provided and are respectively installed on both sides of the first conveying group 22. The guiding plates 21 are installed on the base 1 through a first bracket and a fixing member. The two groups of guiding plates 21 are set as arc-shaped plates, and the distance between the two groups of guiding plates 21 is the same as the groove width of the positioning groove 311 on the positioning turntable 31 to facilitate guiding the food to move onto the positioning groove 311.

[0030] In an embodiment of the present utility model, preferably, the feeding component 2 is mainly composed of a guiding plate 21 and a first conveying group 22. The guiding plate 21 and the first conveying group 22 are installed on the upper surface of the base 1. Two groups of guiding plates 21 are provided and are respectively installed on both sides of the first conveying group 22 through a first bracket. The guiding plate 21 is set as a bent plate. The two groups of guiding plates 21 are arranged in parallel, and the distance between them gradually decreases along the conveying direction of the first conveying group 22 to facilitate guiding the food to be conveyed to the positioning groove 311. At this time, the distance between the ends of the two groups of guiding plates 21 is not less than the groove width of the positioning groove 311.

[0031] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the first conveying group 22 includes a first conveying belt, a first power group 221, and a first transmission group. The first power group 221 is installed on the base 1. The first power group 221 is in transmission connection with the first transmission group, and the first transmission group is connected to the first conveying belt to facilitate driving the food on the first conveying belt to move onto the positioning turntable 31.

[0032] In an embodiment of the present utility model, preferably, the first conveying group 22 mainly consists of a first conveying belt, a first power group 221, and a first transmission group. The first power group 221 is in transmission connection with the first transmission group and drives the low conveying belt to move through the first transmission group. The first conveying belt drives the food to move and conveys it to the positioning assembly 3. The first power group 221 can be a motor, and the first transmission group can use pulley transmission to drive the upper roller of the first conveying belt to rotate so as to drive its rotation.

[0033] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the positioning assembly 3 further includes a positioning bracket 33. The positioning bracket 33 is arranged in a bent structure. The fixing part of the positioning bracket 33 is installed on the base 1, and the length direction of the connecting part of the positioning bracket 33 is parallel to the upper surface of the base 1. The connecting part of the positioning bracket 33 is used to install the detection assembly 32 so that the detection assembly 32 is located directly above the positioning groove 311 on the positioning turntable 31.

[0034] In an embodiment of the present utility model, preferably, the positioning assembly 3 may further include a positioning bracket 33. The positioning bracket 33 is installed on the base 1. The L-shaped positioning bracket 33 is located at the central position of the positioning turntable 31. When the fixing part of the positioning bracket 33 is installed on the base 1, the length direction of the fixing part is perpendicular to the upper surface of the base 1, and the connecting part of the positioning bracket 33 is parallel to the upper surface of the base 1. The bottom surface of the fixing part of the positioning bracket 33 may be provided with an annular structure convex block for installing the positioning turntable 31, and the connecting part of the positioning bracket 33 may be a plate-like structure for installing the detection assembly 32.

[0035] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the positioning turntable 31 is arranged in an annular disc-like structure. A connecting hole is provided at the central position of the positioning turntable 31, and a rack 312 is provided on the hole wall of the connecting hole. The connecting hole is in transmission connection with the rotating assembly so that the rotating assembly drives the positioning turntable 31 to rotate; the outer side surface of the positioning turntable 31 is recessed inward to form a positioning groove 311.

[0036] In an embodiment of the present utility model, preferably, the positioning turntable 31 may have an annular disc-like structure with a certain thickness. The connecting hole at the central position of the positioning turntable 31 can be used to position the positioning bracket 33. A rack 312 is provided on the hole wall of the connecting hole, and the rotating assembly is connected to the rack 312 on the hole wall of the connecting hole so as to drive the positioning turntable 31 to rotate. A plurality of U-shaped positioning grooves 311 are provided on the outer side surface of the annular positioning turntable 31.

[0037] As Figures 1-3As shown, as a preferred embodiment of the present utility model, the rotation assembly includes a second power group 313 and a transmission gear 314. The second power group 313 is installed on the base 1. The second power group 313 is in transmission connection with the transmission gear 314. The transmission gear 314 is meshed and connected with a rack 312 on the connection hole of the positioning turntable 31. The transmission gear 314 is used to drive the positioning turntable 31 to rotate so as to drive the food in the positioning groove 311 onto the discharging assembly 4.

[0038] In the embodiment of the present utility model, preferably, the rotation assembly is mainly composed of a second power group 313 and a transmission gear 314. The second power group 313 provides power for the transmission gear 314, so that the transmission gear 314 and the positioning turntable 31 meshed and connected with the transmission gear 314 rotate. The rotation direction can be determined according to the output result of the detection part 323, so as to convey the detected food to a set position by the discharging assembly 4.

[0039] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the detection assembly 32 further includes a third power group 325. The third power group 325 is installed on the positioning bracket 33 of the positioning assembly 3. The output end of the third power group 325 is in transmission connection with the connecting part 322. The third power group 325 is used to drive the connecting part 322 to move in the vertical direction. The connecting part 322 is arranged in a cylindrical structure; the positioning part 321 is provided with a rod part and a plate part. The rod part of the positioning part 321 is sleeved on the connecting part 322 and connected through a connecting spring 324. The plate part of the positioning part 321 is used to position the food. The first connecting part 3231 of the detection part 323 is installed at the end of the connecting part 322, and the second connecting part 3232 is installed at the end of the rod part of the positioning part 321. By driving the plate part of the positioning part 321 to press above the food through the connecting part 322, when the food packaging is airtight, the first connecting part 3231 and the second connecting part 3232 are completely connected to realize the rotation of the positioning turntable 31 and move the airtight food to the discharging assembly 4. When the food packaging is air-leaking, the connecting spring 324 between the positioning part 321 and the connecting part 322 is stretched, and the first connecting part 3231 and the second connecting part 3232 are separated to realize the rotation of the positioning turntable 31 and move the air-leaking food to the discharging assembly 4.

[0040] In the embodiment of the present utility model, preferably, the detection assembly 32 may further be provided with a third power group 325. The third power group 325 is installed on the positioning bracket 33. The third power group 325 provides power for the connecting piece 322. The third power group 325 may be selected as a cylinder. The cylinder drives the connecting piece 322 to move in the vertical direction. The connecting piece 322 may be set as a cylindrical structure to facilitate sleeving the positioning piece 321. And the length of the positioning piece 321 is greater than that of the connecting piece 322. The top of the same side of the connecting piece 322 and the positioning piece 321 is connected by a connecting spring 324. And the horizontal sides of the tops of the connecting piece 322 and the positioning piece 321 are respectively connected with the first connecting part 3231 and the second connecting part 3232 of the detecting piece 323. The positioning piece 321 is set as a structure where a rod part is connected to a plate part. The top of the rod part is connected with the connecting spring 324. The end of the rod part is connected with the plate part. The plate part is used to contact the food packaging. When the third power group 325 drives the connecting piece 322 to move, the plate part of the positioning piece 321 contacts above the food packaging.

[0041] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the discharging assembly 4 is installed on the base 1. The discharging assembly 4 includes a second conveying group 41, a third conveying group 42, a fourth power group 43 and a second transmission group. The second conveying group 41 is used to convey food with airtight food packaging. The third conveying group 42 is used to convey food with air-leaking food packaging. The fourth power group 43 is in transmission connection with the second transmission group. The second transmission group includes a first transmission wheel and a second transmission wheel. The first transmission wheel is in transmission connection with the fourth power group 43 through a first transmission belt. The first transmission wheel is meshed with the second transmission wheel. The first transmission wheel drives the second conveying group 41 to move through a second transmission belt so as to convey airtight food. The second transmission wheel drives the third conveying group 42 to move through a third transmission belt so as to convey air-leaking food.

[0042] In the embodiment of the present utility model, preferably, the discharging assembly 4 may be composed of a second conveying group 41, a third conveying group 42, a fourth power group 43 and a second transmission group. The fourth power group 43 provides power for the movement of the second conveying group 41 and the third conveying group 42. The second conveying group 41 and the third conveying group 42 may be set as conveyor belts and their conveying directions are opposite to the conveying direction of the first conveying group 22 of the feeding assembly. The second transmission group is mainly set as the transmission of belts and the transmission of gears so that the second transmission group drives the second conveying group 41 and the third conveying group 42 to move simultaneously. When the detected food is an airtight product, the positioning turntable 31 drives the food to rotate and moves it onto the second conveying group 41, and the second conveying group 41 sends out the airtight food. When the detected food is an air-leaking product, the positioning turntable 31 rotates in the reverse direction and moves it onto the third conveying group 42, and the third conveying group 42 sends out the air-leaking food.

[0043] As Figures 1-3 shown, as a preferred embodiment of the present utility model, the base 1 is arranged as an irregular shell and a cavity structure is formed inside, and the base 1 is used for the installation of the feeding assembly, the positioning assembly 3 and the discharging assembly 4.

[0044] In the embodiment of the present utility model, preferably, the base 1 can be an irregular shell with a certain cavity structure. The base 1 can be a shell similar to a T shape and is provided with three channels respectively for installing the first conveying group 22, the second conveying group 41 and the third conveying group 42. The second conveying group 41 and the third conveying group 42 are located on the channels in the same horizontal direction. The junction of the three channels can be arranged as a frustum of a cone to facilitate the installation of the positioning turntable 31 of the positioning assembly 3.

[0045] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A detection device for food, characterized in that: The detection device for food comprises: Base, the base is used for installation of positioning components; A positioning assembly, the positioning assembly includes a positioning turntable and a detection assembly, the positioning turntable is provided with a plurality of positioning grooves for positioning food so that the detection assembly can perform air tightness detection on the food, and the positioning turntable is controlled to rotate by the rotating assembly so that the detected food can be conveyed to the discharging assembly; The detection component includes a connecting piece, a positioning piece and a detecting piece. The positioning piece is sleeved on the connecting piece and connected by a connecting spring. The detecting piece is provided with a first connecting part and a second connecting part and is respectively installed on the positioning piece and the connecting piece. The connecting piece drives the positioning piece to press on the food and detects whether the food package is leaking according to whether the first connecting part and the second connecting part on the detecting piece are disconnected.

2. The food detection device according to claim 1, characterized in that: The detection device for food also includes a feeding assembly, which is used to transport food to the positioning assembly. The feeding assembly includes a guide plate and a first conveying group. Two groups of guide plates are provided and are respectively installed on both sides of the first conveying group. The guide plates are installed on the base through a first bracket and a fixing member. The two groups of guide plates are arranged as arc-shaped plates and the spacing between the two groups of guide plates is the same as the width of the positioning groove on the positioning turntable to facilitate guiding the food to move to the positioning groove.

3. The food detection device according to claim 2, characterized in that: The first conveying group includes a first conveying belt, a first power group and a first transmission group. The first power group is installed on the base. The first power group is connected to the first transmission group. The first transmission group is connected to the first conveying belt to drive the food on the first conveying belt to move to the positioning turntable.

4. The food detection device according to claim 1, characterized in that: The positioning assembly also includes a positioning bracket, which is configured as a bending structure. The positioning bracket fixing portion is installed on the base. The length direction of the positioning bracket connecting portion is parallel to the upper surface of the base. The positioning bracket connecting portion is used to install the detection assembly so that the detection assembly is located directly above the positioning groove on the positioning turntable.

5. The food detection device according to claim 1, characterized in that: The positioning turntable is configured as an annular disc structure, a connecting hole is configured at the center of the positioning turntable, a rack is configured on the wall of the connecting hole, the connecting hole is transmission-connected to the rotating assembly so that the rotating assembly can drive the positioning turntable to rotate; the outer side of the positioning turntable is recessed inwardly to form a positioning groove.

6. The food detection device according to claim 5, characterized in that: The rotating assembly includes a second power group and a transmission gear. The second power group is installed on the base. The second power group is connected to the transmission gear. The transmission gear is meshed with a rack on the connecting hole of the positioning turntable. The transmission gear is used to drive the positioning turntable to rotate so as to drive the food in the positioning groove to the discharging assembly.

7. The food detection device according to claim 4, characterized in that: The detection component also includes a third power group, which is installed on the positioning bracket of the positioning component, and the output end of the third power group is transmission-connected to the connecting piece, and the third power group is used to drive the connecting piece to move in the vertical direction, and the connecting piece is set to a cylindrical structure; the positioning piece is provided with a rod portion and a plate portion, and the positioning piece rod portion is sleeved on the connecting piece and connected by a connecting spring, and the positioning piece plate portion is used to position the food, the first connecting portion of the detection piece is installed at the end of the connecting piece, and the second connecting portion is installed at the end of the positioning piece rod portion, and the positioning piece plate portion is driven by the connecting piece to press on the top of the food, when the food packaging is not leaking, the first connecting portion is completely connected to the second connecting portion to realize the rotation of the positioning turntable and move the airtight food to the discharging component, when the food packaging is leaking, the connecting spring between the positioning piece and the connecting piece is stretched, and the first connecting portion is separated from the second connecting portion to realize the rotation of the positioning turntable and move the leaking food to the discharging component.

8. The food detection device according to claim 1, characterized in that: The discharging assembly is installed on the base, and the discharging assembly includes a second conveying group, a third conveying group, a fourth power group and a second transmission group. The second conveying group is used to convey food whose food packaging is airtight, and the third conveying group is used to convey food whose food packaging is leaking. The fourth power group is connected to the second transmission group in transmission. The second transmission group includes a first transmission wheel and a second transmission wheel. The first transmission wheel is connected to the fourth power assembly in transmission through a first transmission belt. The first transmission wheel is meshed with the second transmission wheel. The first transmission wheel drives the second conveying group to move through the second transmission belt so as to convey the food that is airtight. The second transmission wheel drives the third conveying group to move through the third transmission belt so as to convey the food that is leaking.

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