Blown film heat sealing mechanism
A technology of film blowing machine and heat sealing machine, which is applied in the direction of paper/cardboard container, container, bag making, etc. It can solve the problems of high cost, large floor space, poor adjustability of film length, etc., and achieve adjustable winding length The effect of adjustment, cost saving and reduction of floor area
Active Publication Date: 2018-02-23
ANQING XINSHUN PLASTIC CO LTD
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AI Technical Summary
Problems solved by technology
The equipment occupies a large area and the cost is high
[0005] The length of the film passing through the pressing interval of the traditional down-press heat sealing machine is a specified value. After cutting, the length of the film bag produced is relatively single, and the film length is poorly adjustable.
[0006] After the traditional film is heat-sealed and cut, the shape of the opening is in a straight line, and it is inconvenient to carry after installing the article; in addition, this kind of film is not easy to open
Method used
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[0034] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] Such as figure 1 As shown, this embodiment discloses a film blowing heat sealing mechanism, including a film blowing machine body and a downward pressure heat sealing machine body.
[0036] The film blowing machine body is existing equipment, including extruder 11, filter device 12, die head 13, air ring 14, mandrel 15, herringbone plate 16, first traction device 17, motor 18, reducer 19, blower 101. Motor 18 is connected with one end of reducer 19, and the other end of reducer 19 is connected with one end of extruder 11, and die head 13 is arranged on the other end of extruder 11 through filtering device 12, and one side of die head 13 is provided with Air nozzle 1011. Several layers of filter screens are arranged in the filter device 12 . The air ring 14 is installed on the die head 13, the middle part of the die head 13 is coaxially equipped with a mand...
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The film blowing heat sealing mechanism of the present invention comprises a film blowing machine body, and the film blowing machine body includes an extruder, a filter device, a die head, an air ring, a mandrel, a herringbone plate, and a first traction device. The film blowing heat sealing mechanism also includes a down-pressing heat-sealing machine body, which is provided with a second traction device, a down-pressing heat-sealing device and a length-fixing device sequentially from front to back according to the technological process. The pressing heat sealing device comprises a fixing plate and a pressing heat sealing plate located above the fixing plate; the pressing heat sealing plate can move down to the fixing plate. The fixed-length device is located behind the down-press heat-sealing device, which is used to cooperate with the down-press heat-sealing device and adjust the length of the film through the down-press heat-sealing device through the down-pressure heat-sealing device; the down-pressure heat-sealing device and the fixed-length device cooperate with each other through the transmission mechanism . The invention has the advantages of small occupied area, low manufacturing cost, adjustable length of the film bag, convenient carrying and easy opening.
Description
technical field [0001] The invention relates to the field of film technology, in particular to a blown film heat sealing mechanism. Background technique [0002] A film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific explanation of polyester film is: a two-dimensional material formed by depositing atoms, molecules or ions on the surface of a substrate. Example: optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc. Films are widely used in electronics, machinery, printing and other industries. [0003] The production process of the film bag includes the following steps: (1) making the resin masterbatch into a film through a film blowing machine; (2) winding it with a winding machine and cutting it out to a set length through a cutting machine; (3) using heat sealing (4) Cutting out a film bag with the bottom edge heat-sealed, both sides sealed, and the top opening. [00...
Claims
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IPC IPC(8): B29C55/28B29C49/04B31B70/10B31B70/64B31B70/74
CPCB29C49/04B29C55/28B29C49/04102
Inventor 汪俊
Owner ANQING XINSHUN PLASTIC CO LTD