Two-push-rod vacuum cavity for vacuum packaging machine

Abstract

The invention discloses a two-push-rod vacuum cavity for a vacuum packaging machine. The two-push-rod vacuum cavity comprises a vacuum cavity rear base, a vacuum cavity cover and a push rod mechanism,the vacuum cavity cover is located on the surface of the vacuum cavity rear base, the vacuum cavity rear base is in buckled connection with the vacuum cavity cover, the push rod mechanism is locatedon the back of the vacuum cavity rear base and movably connected with the vacuum cavity cover, the top of the vacuum cavity rear cover is fixedly connected with a fixed base, a connection rod is arranged in the fixed base in a rotary connection mode, one end of the connection rod is rotationally connected with the fixed base, the other end of the connection rod is fixedly connected with the vacuumcavity cover, the back of the vacuum cavity rear base is fixedly connected with rotary sleeves which are symmetrically distributed on the back face of the vacuum cavity rear base, and the push rod mechanism comprises a rotary rod, rotary discs and push-pull rods. Since the push-pull rods distributed symmetrically are arranged on the two sides of the vacuum cavity, the opening-closing efficiency and connection tightness of the vacuum cavity cover are improved, the problem that the vacuum cavity leaks air to affect the product machining yield is avoided, and product production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of vacuum packaging devices, in particular to a double-push-rod vacuum chamber for a vacuum packaging machine. Background technique [0002] The vacuum packaging machine can automatically extract the air in the packaging bag, and complete the sealing process after reaching the predetermined vacuum degree. It can also be filled with nitrogen or other mixed gases, and then the sealing process is completed. Vacuum packaging machines are often used in the food industry, because after vacuum packaging, food can resist oxidation, so as to achieve the purpose of long-term preservation. [0003] At present, the vacuum packaging machines in the market are equipped with a separate vacuum chamber for packaging, but the vacuum chamber is usually opened and closed by a single robot arm. The opening and closing speed is slow and the closing tightness is not enough, which may easily lead to air leakage in the vacuum chamb...

AI Technical Summary

Problems solved by technology

[0003] At present, the vacuum packaging machines in the market are equipped with a separate vacuum chamber for packaging, but the vacuum chamber is usually opened and closed by a single robot arm, the opening and closing speed is slow and the closing tightness is not enough, which may easily lead to air leakage in the vacuum chamber and damage the product. The effect of vacuum processing will be affected, and the qualified rate of finished products will be reduced.

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