Sealing machine with adjustable sealing size

Abstract

The invention relates to a sealing machine with the adjustable sealing size. The sealing machine comprises a tool post base, an upper whirling arm, a lower whirling arm, an upper tool post assembly and a lower tool post assembly. The sealing machine also comprises a cylinder back-and-forth base which can make reciprocating motion, a sealing cylinder, a cylinder connecting arm, adjusting assemblies and a motor. The motor is used for providing driving force for the cylinder back-and-forth base to make reciprocating motion. Each adjusting assembly comprises a transmission arm, a long connecting rod and a short connecting rod. The transmission arms are pivoted to the cylinder connecting arm through connecting shafts. One end of each long connecting rod and one end of each short connecting rod are pivoted to the two ends of the corresponding transmission arm respectively, and the other ends of the long connecting rods and the other ends of the short connecting rods are pivoted to the upper tool post assembly and the lower tool post assembly respectively. According to the sealing machine with the adjustable sealing size, the adjusting assemblies are arranged on the two sides of the cylinder connecting arm which is fixed to the sealing cylinder. The long connecting rods and the short connecting rods of the adjusting assemblies are pivoted to the upper tool post assembly and the lower tool post assembly respectively. Meanwhile, the sealing cylinder is driven by the cylinder back-and-forth base to make reciprocating motion, so that the sealing size is adjusted automatically.

Description

technical field [0001] The invention relates to the technical field of packaging machines, in particular to a sealing machine with adjustable sealing size. Background technique [0002] At present, in the existing packaging machinery, for the packaging of different products, the size of the seal and the position of the sealing line are fixed, which leads to the same packaging time for small products as that required for large products, which undoubtedly reduces the cost of small products. The packaging efficiency is high, and the fixed position of the sealing line will not be able to set the sealing line at the center of the packaging bag, resulting in waste of raw materials, increasing the cost, and affecting the appearance of the packaging bag. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a sealing machine with adjustable sealing size, which can automatically adjust the sealing size. [0004] The present in...

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Problems solved by technology

[0002] At present, in the existing packaging machinery, for the packaging of different products, the size of the seal and the position of the sealing line are fixed, which leads to the same packaging time for small products as that required for large products, which undoubtedly reduces the cost of small products. The packaging efficiency is high, and the fixed position of the sealing line will not be able to set the sealing line at the center of the packaging bag, resulting in waste of raw materials, increasing costs, and affecting the appearance of the packaging bag

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