Feeding control method of bag making machine
A control method and bag making machine technology, applied in container manufacturing machinery, box making operations, rigid/semi-rigid container manufacturing, etc., can solve problems such as inappropriateness, semi-finished products cannot be stacked and returned to length, etc., to improve control accuracy, avoid The effect of scalding and improving the qualified rate of products
Inactive Publication Date: 2014-10-08
王根乐
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Problems solved by technology
[0005] The present invention aims to provide a feeding control method for a bag making machine to solve the problems existing in the prior art that the semi-finished product cannot be placed on the threading needle of the needle threading bottom beam and the return length is inappropriate when the equipment is running at a low speed
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[0018] The method of implementing the present invention can be adopted figure 1 - Figure 4 The various bag making machines shown (only the feeding device, heat sealing and cutting device and related parts of the needle assembly are shown).
[0019] See figure 1 , The related structure of the heat-sealing and heat-cutting bag-making machine includes a feeding roller 1, a heat-sealing heat-cutting knife 4 and a needle assembly. A feeding mechanism 2 (blowing tube or spring) is arranged between a pair of feeding rollers 1, and the heat-sealing heat-cutting knife 4 is fixed. Under the knife seat plate 3, a base 5 is provided under the heat-sealing heat-cutting knife 4, and a baffle 7 is provided in front of the heat-sealing heat-cutting knife 4. The back of the heat-sealing heat cutter 4 is also equipped with a needle assembly: including a needle 16, a needle press beam 15 (with a through hole corresponding to the needle 16, and lift rods at both ends), a needle bottom beam 17 ( It...
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A method for controlling feeding of a bag making machine includes that a feed roller, a heat-sealing and heat-cutting knife, and a needle-threading component are sequentially installed; the feed roller conveys raw materials of a product length to the heat-sealing and heat-cutting knife within a setting time interval, and the raw materials are sealed and cut; after a stack of workpieces is sealed and cut, the raw materials are returned by a setting length through the feed roller, while the heating-sealing and heat-cutting knife idles several times; and the feed roller continues feeding after the heat-sealing and heat-cutting knife idles, and delays to feed for a setting time when operating speed of the bag making machine is lower than a setting value. The method has the advantages that the feeding is properly delayed by a program when the bag making machine runs at a low speed, the raw materials are allowed to pass when a needle-threading press beam rises to a needed height, and accordingly stacking of a semi-finished product on a needle of a needle-threading bottom beam can be avoided; and the length of the raw materials returned by the feed roller after a stack of workpieces is sealed and cut is dynamically adjusted according to the operating speed of the bag making machine, so that control precision is greatly improved, damages of products caused by overheating are avoided, and product qualification rate is increased.
Description
Technical field [0001] The invention relates to a bag making machine for producing plastic bags, in particular to a feeding control method for the bag making machine. Background technique [0002] Heat-sealing and heat-cutting device of heat-sealing and heat-cutting bag making machine (reference figure 1 ), the main structure includes a feeding roller 1 and a heat-sealing heat-cutting knife 4, a feeding mechanism 2 (blowing tube or spring) is set between a pair of feeding rollers 1, and the heat-sealing heat-cutting knife 4 is fixed under the knife seat plate 3. A base 5 is provided under the heat-sealing cutting knife 4, and a baffle 7 is provided in front of the heat-sealing heat cutting knife 4. The back of the heat-sealing heat cutter 4 is also equipped with a needle assembly: including a needle 16, a needle press beam 15 (with a through hole corresponding to the needle 16, and lift rods at both ends), a needle bottom beam 17 ( It is equipped with a spring support), all of w...
Claims
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IPC IPC(8): B31B1/04B31B50/04
Inventor 王根乐
Owner 王根乐