A material conveying device for the detection of the tightness of freeze-dried product packaging

Abstract

The invention relates to the field of packaging, in particular to a material conveying device used for the detection of the tightness of freeze-dried product packaging, comprising a material distributing rotating tray, a discharging conveyor belt and a vacuum detection device arranged on a workbench, and a discharging conveying The output end of the belt is provided with a finished product frame, and there is also a clamping piece on the periphery of the distributing rotating tray, and also includes a sampling inspection transfer device. A separate extraction mechanism, a feeding mechanism for catching the extracted lyophilized product, and a feeding mechanism for moving the lyophilized product on the feeding mechanism to the vacuum detection device. The cooperation between the feeding mechanism and the feeding mechanism realizes that part of the freeze-dried products in the batch conveying is sent to the vacuum detection device for detection by random inspection, which reduces the manual labor and improves the detection efficiency.

Description

technical field [0001] The invention relates to the field of packaging, in particular to a material conveying device used for testing the tightness of freeze-dried product packaging. Background technique [0002] After the packaging machine fills and seals the packaging bag (vacuum packaging) and discharges the material continuously, it is necessary to carry out online continuous micro-leakage airtightness detection of the vacuum packaging bag in the packaging bag. The detection is still blank, such as the packaging of freeze-dried products. When vacuum packaging the freeze-dried products on the production line, the freeze-dried products on the production line need to be taken out and then tested. Traditionally, a single product is manually placed in the vacuum for testing. Vacuum detection is carried out in the device, and the efficiency is not high. [0003] The currently disclosed Chinese patent CN202110877099.3 online vacuum packaging air-tightness detection device incl...

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Problems solved by technology

[0004] According to the above-mentioned patent, the patent uses a double-set vacuum gripper servo module to suck the positioned and arranged materials into the upper and lower platen containers of the pressurized vacuum integrated mechanism for vacuum detection. However, this method requires vacuuming each material. The detection takes too long, therefore, a material conveying device is currently needed to individually extract the freeze-dried products in the batch conveying process and send them to the vacuum detection device for detection by means of random inspection

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