Tension device for bag making machine
A technology of tensioning device and bag making machine, which is applied in the field of mechanical equipment, can solve the problems of low reliability, slow response speed, complex structure, etc., and achieve the effect of high reliability, fast action speed and easy operation
Inactive Publication Date: 2014-12-24
青岛红金星包装印刷有限公司
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Problems solved by technology
In order to improve the pulling speed and pulling reliability of the film, the front end of the pulling device generally needs to be equipped with a tensioning device, but the existing tensioning device has a complex structure, low working reliability and slow response speed
Method used
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Embodiment Construction
[0018] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0019] Such as Figure 1 to Figure 10 As shown, the tensioning device of the bag making machine of the present embodiment comprises a first guide roller 3, a second guide roller 4 and a third guide roller 5 arranged between two opposite frame plates 1 and parallel to each other. A fixed rod 2 is also fixedly connected between the frame plates 1; the two ends of the guide roller shafts of the first guide roller 3 and the second guide roller 4 are fixedly connected by means of an inner end plate 6 respectively, and the inner end plate 6 is placed on the frame plate 1; the two ends of the guide roller shaft of the first guide roller 3 pass through the inner end plate 6 and the frame plate 1 in sequence respectively, one end of which is fixedly connected with the outer end plate 13 on the outer side of the frame plate 1, and the other end is f...
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The invention relates to a tension device for a bag making machine. The tension device comprises a first guide roller, a second guide roller and a third guide roller, which are arranged between two opposite frame plates and are parallel to one another, wherein two ends of each guide roller shaft of the first guide roller and the second guide roller are respectively fixedly connected by an inner end plate; the two ends of the guide roller shaft of the first guide roller respectively penetrate though the inner end plates and the frame plates in sequence, one end of the guide roller shaft of the first guide roller is fixedly connected to an outer end plate at the outer side of the frame plate, and the other end of the guide roller shaft of the first guide roller is locked by a locking wheel; the lower ends of the outer end plates are connected to a support fixedly connected to the outer sides of the frame plates through springs; one end of the guide roller shaft of the second guide roller is fixedly connected to the inner end plate at one side, the other end of the guide roller shaft of the second guide roller penetrates through the inner end plate at the other side and is rotatably connected to a connecting plate at the outer side of the corresponding frame plate, each connecting plate is fixedly connected to the end of a piston rod of a cylinder, and a cylinder body of the cylinder is rotatably connected to the frame plates through the support. According to the tension device, through pushing of the cylinder, the guide rollers swing to tension a film; through the spring structures, the guide rollers are quickly reset, and the tension device has the advantages of simplicity in operation, quick action speed and high reliability.
Description
technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to a bag making machine. Background technique [0002] The bag making machine is a special equipment for making packaging bags, which is widely used in the production of packaging bags made of various plastics, paper and other materials. The process of forming a packaging bag by a high-speed bag making machine is: guiding the upper film and the lower film to be transported separately, overlapping the upper and lower films at a suitable position, and the overlapped films are heat-sealed longitudinally and transversely to form an integrated structure of multiple small bags, and finally separated. Cut into multiple pouches. The film is pulled forward by the pulling device and unfolded from a roll state to a flat shape. In order to improve the pulling speed and pulling reliability of the film, the front end of the pulling device generally needs to be equipped with a tensi...
Claims
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IPC IPC(8): B31B1/74
Inventor 孙毅刚
Owner 青岛红金星包装印刷有限公司