Forming method for combined packaging bag and locating device for combined packaging bag
A composite packaging bag and positioning device technology, applied in packaging, transportation and packaging, rigid/semi-rigid container manufacturing, etc., can solve the problems of unqualified products, large position errors of the organ side, and damage to the structure of the organ side, etc.
Active Publication Date: 2015-10-07
KINDERWAY PACKAGING XIAMEN CO LTD
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Problems solved by technology
Because the positioning of the second and third photoelectric eyes in this traditional positioning method is based on the cursor on the upper film, and the organ side is heat-bonded with the lower film, so that the organ side will be in contact with the lower film during the heat-sealing process. The upper film produces a large position error, and even damages the structure of the organ side, which is likely to cause unqualified products
Method used
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[0015] like figure 1 As shown, the composite packaging bag 10 is composed of an upper film 101 , a lower film 102 and an accordion edge 103 . The bellows 103 is connected between the upper membrane 101 and the lower membrane 102 .
[0016] like Figure 2-Figure 4 As shown, the positioning device for the composite packaging bag on the composite packaging bag making machine includes an organ edge ironing machine 1, an organ edge feeding device 2, a PE film ironing press 3, a tractor 4 and a first photoelectric eye 5. The second photoelectric eye 6, the third photoelectric eye 7 and the frame 8, etc. The organ side hot press 1, the organ side feeding device 2, the PE film hot press 3, and the tractor 4 are arranged in sequence according to the process flow. The first photoelectric eye 5 is installed on the frame 8 and is located at the end of the organ side feeding device 2 and below the organ edge strip material 40; the second photoelectric eye 6 is installed on the frame 8 a...
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The invention discloses a forming method for a combined packaging bag and a locating device for the combined packaging bag. The forming method comprises the steps of feeding, accordion edge locating, thermal bonding between an accordion edge and a lower film, point scalding between an upper film and the lower film, thermal bonding between the upper film and the lower film, punching and the like. Because a lower film cursor is used as the locating reference of a second photo-electrical eye and a third photo-electrical eye and thermal bonding between the accordion edge and the lower film is achieved, a position error generated between the upper film and the lower film will not influence the relative positions between the accordion edge and the upper film, the overall structure of the packaging bag will not be damaged, only the position error of the pattern of the upper film is influenced, namely, the pattern of the upper film and the pattern of the lower film will be staggered slightly, and the stagger is within an allowable tolerance range. In this way, the yield of products is high.
Description
technical field [0001] The invention relates to the field of packaging bags, in particular to a forming method and a positioning device for a composite packaging bag. Background technique [0002] With the rapid development of the national economy and the continuous increase in the output value of industrial and agricultural production, the use of packaging bags is becoming more and more extensive. There are more and more structures and shapes of packaging bags. Various composite packaging bags have appeared on the market. To meet the needs of production and life. The traditional composite packaging bag production method includes feeding, heat sealing, punching (notch) and other processes. In this traditional production method, there are three positioning references provided by three photoelectric eyes. The first photoelectric eye is located on the organ The end of the side feeding device, below the side material of the organ, is based on the side material of the organ; the...
Claims
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IPC IPC(8): B31B1/02B31B1/64B31B50/02B31B50/64
Inventor 郭建新蔡华庚
Owner KINDERWAY PACKAGING XIAMEN CO LTD