Leakage detection device for two-layer vacuum soft bags

Abstract

The invention provides a leakage detection device for two-layer vacuum soft bags and belongs to the technical field of leakage detection equipment. The device comprises a machine frame, a drive rod, a cylinder and a leakage detection die. The cylinder is arranged on the machine frame. The drive rod and the cylinder are connected together. The control switch of the cylinder is arranged on the panel of the machine frame. The leakage detection die comprises a leakage detection male die and a leakage detection female die and the leakage detection female die is provided with a groove. The leakage detection male die is matched with the groove. The leakage detection male die is connected with a telescopic rod. The leakage detection female die is fixedly arranged on the machine frame and is positioned below the leakage detection male die. According to the technical scheme of the leakage detection device, a two-layer vacuum soft bag is placed in the groove of the leakage detection female die. In this way, not only the two-layer vacuum soft bag is prevented from moving during the leakage detection process, but also the pressure of the leakage detection male die is uniformly applied onto the bag body of the two-layer vacuum soft bag. After the two-layer vacuum soft bag is extruded by the leakage detection die, whether the liquid exists in the vacuum layer of the two-layer vacuum soft bag or not is observed. Therefore, whether the two-layer vacuum soft bag leaks or not can be visually judged.

Description

technical field [0001] The invention relates to the technical field of leak detection devices, in particular to a leak detection device for double-layer vacuum soft bags. Background technique [0002] After the blood bag is filled, in order to protect the blood bag and prevent the blood bag from being damaged and polluted, the blood bag often adopts a double-layer vacuum soft bag. [0003] In the prior art, the air pressure detection method is mainly used to detect whether the blood bag leaks, but the air pressure detection method is not suitable for double-layer vacuum soft bags. During high-temperature sterilization, it can be judged whether the double-layer vacuum soft bag leaks by observing whether the double-layer vacuum soft bag expands, but it is only applicable to the obvious leakage of the double-layer vacuum soft bag, not suitable for judging the double-layer vacuum soft bag. The first layer of vacuum soft bag is leaking. Contents of the invention [0004] In o...

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Problems solved by technology

[0003] In the prior art, the leak detection of blood bags mainly uses the air pressure detection method to judge whether the blood bag is leaking, but the air pressure detection method is not suitable for double-layer vacuum soft bags

During high-temperature sterilization, it can be judged whether the double-layer vacuum soft bag leaks by observing whether the double-layer vacuum soft bag expands, but it is only applicable to the obvious leakage of the double-layer vacuum soft bag, not suitable for judging the double-layer vacuum soft bag. In case of leakage in the first-layer vacuum soft bag

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