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On-line detection method and system suitable for sealing performance of flexibly packaged food, and medium

A detection system and detection method technology, applied in the direction of fluid tightness testing, liquid tightness measurement using liquid/vacuum degree, machine/structural component testing, etc. Problems such as the promotion and application of packaging production lines and increasing operating costs have achieved the effects of preventing food safety risks, improving the level of food safety testing, and enhancing operability

Pending Publication Date: 2021-06-25
多科智能装备(常熟)有限公司
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Problems solved by technology

However, the above-mentioned detection schemes all need to establish a vacuum environment. This process takes at least a few minutes, the detection efficiency is very low, and the test is offline, which cannot be embedded in the food processing production line for online use.
[0004] After searching, the patent document CN212059266U discloses a food packaging seal detection device, including a transparent barrel, the mouth of the transparent barrel is detachably connected with a support frame, and a pressure bar is slidingly provided on the support frame. The upper end is provided with a sliding limit block, the lower end of the pressure rod slides and is provided with an adjustment slide rod, the inner rotation of the pressure rod is provided with a screw rod, and the inner wall of the adjustment slide rod is provided with an internal thread. At this time, pour clear water into the transparent bucket, put the food packaging bag into the transparent bucket, and judge whether the sealing performance of the food packaging bag is good by squeezing the food packaging bag to observe whether there are bubbles. The disadvantage of this prior art is that Use the method of injecting clear water into the transparent bucket to test the tightness, which will increase the operating cost, and there are many uncontrollable factors in the underwater environment
The most important thing is that the test time of this detection method is too long, it is difficult to popularize and apply in the food packaging production line

Method used

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  • On-line detection method and system suitable for sealing performance of flexibly packaged food, and medium
  • On-line detection method and system suitable for sealing performance of flexibly packaged food, and medium

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0034] Such as figure 1 As shown, a kind of on-line detection system applicable to the airtightness of flexible packaged food provided by the present invention comprises:

[0035] Servo motor: Accurately measure the down force F used for the tested flexible package, and the stroke accuracy of the down stroke L is not limited to 0.1 μm.

[0036] Grating ruler position encoder: Accurately measure the pressing stroke L of the soft package under test, and the accuracy of the pressing force F is not limited...

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Abstract

The invention provides an on-line detection system suitable for the sealing performance of soft package food. The on-line detection system comprises: a servo motor, wherein the servo motor is used for measuring the downward pressure F for a detected soft package; and a grating ruler position encoder which is used for measuring the pressing stroke L of the measured flexible package. The servo motor drives the lower pressing plate to press the flexible package to be detected, and when the lower pressing plate starts to make contact with the flexible package to be detected, the servo motor and the grating ruler position encoder are used for measuring the downward pressing force F borne by the flexible package to be detected and the downward pressing stroke L so as to monitor the sealing performance of the flexible package to be detected on line. According to the online detection method and system suitable for the sealing performance of the flexible packaging food, the sealing performance of the flexible packaging bag can be analyzed in a rapid qualitative and accurate quantitative mode, high operability is achieved, the method and system can be directly integrated into a food packaging production line for use, online detection is achieved, and the detection efficiency and the detection effect are obviously superior to those of a traditional laboratory adopting a vacuumizing detection method.

Description

technical field [0001] The invention relates to the technical field of food packaging airtightness detection, in particular to an online detection method, system and medium suitable for the airtightness of soft-packaged food. Background technique [0002] Food packaging is divided into many types, among which composite plastic film flexible packaging is the largest packaging type in the market. This kind of composite film packaging food production line requires high efficiency. In the past, the inspection of packaging airtightness mainly relied on visual inspection, pressing, and kneading inspection by quality inspectors. It was impossible to achieve 100% full inspection, and pinhole defects were difficult to judge by humans. Unqualified food that is missed is easily deteriorated and damaged during transportation, storage, and sales, which greatly affects customer experience and causes serious reputation loss to food processing plants. The sealing of food packaging is a key...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/32
CPCG01M3/3218G01M3/3272
Inventor 柳德伟洪坚
Owner 多科智能装备(常熟)有限公司
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