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CN-224231191-U - Food packaging can gas tightness detection device

CN224231191UCN 224231191 UCN224231191 UCN 224231191UCN-224231191-U

Abstract

The utility model discloses a food packaging can air tightness detection device, which belongs to the technical field of product packaging air tightness detection and comprises a gland and a water container, wherein the gland is pressed at the opening end of a can body to be detected and is used for sealing the can body to be detected, the gland is provided with an air passage and is connected with air supply equipment, an air outlet is arranged at the position, corresponding to the opening position of the can body to be detected, of the gland, the air outlet is communicated with the air passage, the water container is an open container, the water container bears the closed end of the can body to be detected, and the gland is matched with the water container to fix the can body to be detected. The utility model has lower requirement on the tightness of the whole detection device, and the relative positions of the gland and the water container can be adjusted according to the height of the tank body to be detected, thereby facilitating the air tightness detection of the tanks with different specifications.

Inventors

  • LIU HUALIAN
  • Hu Dianhong

Assignees

  • 洽洽食品股份有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. The food packaging tin air tightness detection device comprises a gland (200) and a water container (300) and is characterized in that the gland (200) is pressed at the opening end of a tin body (100) to be detected and is sealed, the gland (200) is provided with an air passage and is connected with air supply equipment, an air outlet (221) is formed in the position, corresponding to the opening position of the tin body (100) to be detected, of the gland (200), the air outlet (221) is communicated with the air passage, the water container (300) is an open container, the water container (300) bears the closed end of the tin body (100) to be detected, and the gland (200) is matched with the water container (300) to fix the tin body (100) to be detected.
  2. 2. The food packaging can air tightness detection device according to claim 1, wherein the gland (200) comprises a first plane (210) and a second plane (220) which are oppositely arranged, a flexible sealing layer is arranged on the surface of the second plane (220), the air outlet (221) is arranged on the second plane (220) and penetrates through the flexible sealing layer, and the flexible sealing layer completely covers the opening end of the can body (100) to be detected.
  3. 3. The food packaging can air tightness detection device according to claim 2, wherein a pressing device (400) is provided at one side of the first plane (210) of the pressing cover (200), and the pressing device (400) is in contact with the first plane (210) and applies pressure to the first plane (210).
  4. 4. A food packaging can air tightness detection device according to claim 3, wherein the compression device (400) comprises a compression bracket (410) and a compression screw (420), the compression bracket (410) comprises a push rod (411) and side rods (412) respectively connected to two ends of the push rod (411), the push rod (411) is transversely arranged above the first plane (210), the side rods (412) extend into the water container (300) and are connected with the water container (300), the compression screw (420) penetrates through the push rod (411) and is in threaded connection with the push rod (411), and the ends of the compression screw (420) are abutted against the first plane (210).
  5. 5. The food packaging can air tightness detection device according to claim 4, wherein the first plane (210) is provided with a positioning groove (211) at a position corresponding to the end of the compression screw (420).
  6. 6. The device for detecting the air tightness of the food packaging can according to claim 4, wherein the distance between the ejector rod (411) and the bottom surface of the inner side of the water container (300) is larger than the height of the can body (100) to be detected, and the distance between the two side rods (412) is larger than the maximum caliber of the can body (100) to be detected.
  7. 7. The food packaging can air tightness detection device according to claim 2, wherein the gland (200) is connected with the air supply equipment through an air pipe (500), the air pipe (500) is connected with a pressure regulating switch (510), and the pressure regulating switch (510) is arranged at a position close to the gland (200).
  8. 8. The food packaging can air tightness detection device according to claim 7, wherein a pressure gauge (520) is mounted on the gland (200), and the pressure gauge (520) is communicated with the air pipe (500).
  9. 9. The food packaging can air tightness detection device according to claim 8, wherein the pressure gauge (520) is mounted on the first plane (210), and a dial plate of the pressure gauge (520) is arranged towards a human eye direction.
  10. 10. The food packaging can air tightness detection device according to claim 1, wherein a positioning protrusion (310) is arranged on the inner bottom surface of the water container (300), and the positioning protrusion (310) is arranged around the closed end of the can body (100) to be detected.

Description

Food packaging can gas tightness detection device Technical Field The utility model relates to the technical field of product packaging air tightness detection, in particular to a food packaging can air tightness detection device. Background The food is stored in a container, most microorganisms are killed through a sterilization process, the food can be stored for a long time at room temperature under the conditions of sealing and vacuum, the quality and the qualification rate of the canned food are determined by the air tightness of the canned food, and the health of the food is related to the air tightness detection of the food can, so that the air tightness detection is of great importance. Among the prior art, chinese patent literature like the publication No. CN206960074U discloses a gas tightness detecting system of jar, including detecting container, filtration jar and air pump, detect the container including lower extreme confined barrel and with the closing cap of sealed barrel, the closing cap is including the top cap that is used for sealed barrel and the clamp plate that is used for stretching into the barrel inside of fixing in the top cap below, has seted up the bleeder vent on the top cap, the bleeder vent passes through the export of pipe connection filtration jar, the import of filtration jar passes through the air inlet of pipe connection air pump, is provided with the engine oil filter core in the filtration jar. The gasoline overflowed by the air pump in the patent document can be filtered by the filtering tank without polluting the detection container, however, when the air tightness of the tank is detected, the whole tank is required to be immersed in the water of the cylinder of the detection container, the cylinder is sealed by the sealing cover, then the cylinder is pumped with air, whether the tank leaks air or not is observed, whether the tank leaks air or not is judged by bubbling in the water or not is observed, the air leakage positions of the tank are usually positioned at two ends of the tank due to the production mode, and the detection method has extremely high requirements on the tightness of the detection container. Moreover, the specifications of the cans are easily limited by the volume of the inspection container, and it is inconvenient to perform air tightness inspection for cans of different specifications. Disclosure of utility model The utility model aims to provide a food packaging can air tightness detection device, which solves the problems that in the prior art, the sealing performance of a detection container is extremely high, the specification of a can is easily limited by the volume of the detection container, and the air tightness detection of cans with different specifications is inconvenient. In order to achieve the aim, the utility model provides a food packaging can air tightness detection device which comprises a gland and a water container, wherein the gland is pressed at the opening end of a can body to be detected and seals the opening end of the can body to be detected, the gland is provided with an air passage and is connected with air supply equipment, an air outlet is arranged at the position, corresponding to the opening position of the can body to be detected, of the gland, the air outlet is communicated with the air passage, the water container is an open container, the water container bears the closed end of the can body to be detected, and the gland is matched with the water container to fix the can body to be detected. Further, the gland comprises a first plane and a second plane which are oppositely arranged, a flexible sealing layer is arranged on the surface of the second plane, the air outlet is arranged on the second plane and penetrates through the flexible sealing layer, and the flexible sealing layer completely covers the opening end of the tank body to be tested. Further, a pressing device is arranged on one side of the first plane of the gland, and the pressing device is in contact with the first plane and applies pressure to the first plane. Further, the compressing device comprises a compressing support and a compressing screw, the compressing support comprises a push rod and side rods respectively connected to two ends of the push rod, the push rod is horizontally arranged above the first plane, the side rods extend into the water container and are connected with the water container, the compressing screw penetrates through the push rod and is in threaded connection with the push rod, and the end parts of the compressing screw are abutted to the first plane. Further, a positioning groove is formed in the position, corresponding to the end part of the compression screw, of the first plane. Further, the distance between the ejector rod and the bottom surface of the inner side of the water container is larger than the height of the tank body to be tested, and the distance between the two side rods is larger than the maximum cal