Blow molding nozzle and blow molding machine
A technology of nozzles and air injection holes, which is applied in the field of blow molding nozzles and blow molding machines to achieve the effect of high-efficiency inflation
Pending Publication Date: 2022-07-05
王文志
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Problems solved by technology
[0005] The object of the present invention is to provide a blow molding nozzle and a blow molding machine. When the device is pressurized and inflated, two forces with opposite directions and different axes will be generated due to the air injection of the air injection hole, so that the air outlet pipe will rotate, eventually causing the gas It can be filled evenly, so that the inner wall of the bottle body becomes more uniform when the preform is pressurized, so as to solve the problems raised in the above-mentioned background technology
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[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Straight", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which i...
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The invention relates to the field of blow molding, in particular to a blow molding nozzle and a blow molding machine, the blow molding nozzle comprises a conveying mechanism, a sorting mechanism is movably mounted on the left side of the conveying mechanism, and a clamping mechanism is movably mounted at the front end of the right side of the sorting mechanism; an inflating mechanism is movably mounted at the upper end of the clamping mechanism; according to the device, the inflation mechanism can be rotated for pressurization, so that the bottle preform is uniformly stressed during pressurization, the thickness of each surface is more uniform, and the overall quality of the bottle is improved; the inflating mechanism comprises a moving rod, a first bearing is fixedly mounted at the lower end of the moving rod, an air outlet pipe fixedly sleeves the outer side of the first bearing, and air injection holes are symmetrically formed in the lower end of the air outlet pipe; when the inflating mechanism is used for pressurizing and inflating, the air outlet pipe rotates due to the fact that the air spraying holes spray air to generate two forces which are opposite in direction and different in axis, finally, the air can be uniformly inflated, and the inner wall of a bottle body is more uniform when a bottle blank is pressurized to become the bottle body.
Description
technical field [0001] The invention relates to the field of blow molding, in particular to a blow molding nozzle and a blow molding machine. Background technique [0002] Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. The blow molding process began to be used to produce low-density polyethylene vials during World War II; in the late 1950s, with the birth of high-density polyethylene and the development of blow molding machines, blow molding technology was widely used. The volume of hollow containers can reach thousands of liters, and some production has adopted computer control; plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc. The obtained hollow containers are widely used as industrial packaging containers . ; According to the parison production method, blow molding can be divided into extrusion blow molding and injection blow molding, and the newly developed o...
Claims
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IPC IPC(8): B29C49/58B29C49/42B29C49/28B29L22/00
CPCB29C49/58B29C49/4205B29C49/28B29L2031/7158
Inventor 王文志刘宇
Owner 王文志