Plastic packaging device for plastic bag
A technology of a plastic bag and a push-pull device, which is applied in the field of machinery, can solve the problems of complex movements, low efficiency and slow production speed, and achieve the effects of improving efficiency, convenient use and simple structure
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[0015] Such as figure 1 The plastic bag plastic sealing device shown comprises supports 1 arranged parallel to each other, and an isosceles tripod 2 is fixed on the supports 1; A gap 4 is formed between them, and a pair of heating plastic sealing blocks 5 and a pair of thermoplastic sealing wheels 6 are installed under the clamp rod 3. One of the heating plastic sealing blocks 5 is fixed on the piercing needle 7 and connected with a push-pull device 8; Winding roller 9 is arranged.
[0016] A guide roller 10 is installed below the heating plastic sealing block 5 , and the take-up roller 9 is on one side of the guide roller 10 . The push-pull device 8 is an air cylinder or an oil cylinder. The isosceles tripod 2 is an isosceles right-angle tripod. Bracket 1 is made of stainless steel.
[0017] The present invention completes the folding of the plastic cloth through the isosceles tripod 2, the side edges are plastic-sealed by the thermoplastic sealing wheel 6, the bottom edge i
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