An automatic molding plastic box modified atmosphe

2022-06-14
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An automatic molding plastic box modified atmosphere fresh-keeping packaging machine

patent name an automatic molding plastic box modified atmosphere fresh-keeping packaging machine patent applicant Guangdong Agricultural Machinery Research Institute main applicant address 510630 No. 261, Shipai Wushan Road, Tianhe District, Guangzhou City, Guangdong Province inventor Zhang Cong; Liang Jian; Chen Chaoxu; Beam material; Luo Jiansheng application (patent) No. 9 application date 2003.08.21 certification date approval Announcement No. approval announcement date 2005.10.05 specification CD No. d0540 main classification No. b65b43/00 classification No. b65b43/00; B65B51/00; The utility model relates to a packaging machine with the functions of automatic molding plastic box, filling, vacuum, filling fresh-keeping gas, sealing and slitting, which is composed of a frame equipped with a conveyor belt, an upper and lower film material conveying system, a bottom film preheating mechanism, a plastic box thermoforming device, a modified atmosphere heat sealing device, including a cross cutting mechanism The cutting device of the angle cutting mechanism and the longitudinal cutting mechanism and the control system electrically connected with each device; The conveyor belt is provided with a chain clamp mechanism, a plastic box thermoforming device and a gas regulated heat sealing device, which can form multiple plastic boxes at the same time. The differential pressure gas replacement technology, which is filled with fresh-keeping gas after vacuuming, ensures that the air in the package is replaced, which can maximally ensure that there is no residual air in the box after packaging, change the storage environment of the food in the package, inhibit the growth and reproduction of bacteria and microorganisms, or slow down the metabolism of food such as fresh fruits and vegetables, so as to prolong the fresh-keeping period and shelf life of food; Moreover, the packaging process is automated, which enables the functions of forming plastic box, filling, vacuum and filling fresh-keeping gas. The inquiry of composite steel enterprises is more active. The industry calls for a big data sharing platform, which has high production efficiency and can effectively avoid the possibility of food pollution. Claim 1. An automatic molding plastic box modified atmosphere fresh-keeping packaging machine, which is characterized in that it is composed of a frame (1) equipped with a conveyor belt, upper and lower film material conveying systems (2 and 3), a plastic box thermoforming device (4), a modified atmosphere heat sealing device (5) and a control system with each device; The plastic box thermoforming device (4) is mainly composed of an upper heating part (41), a lower mold (42), a vacuum machine (43) and a mold closing cylinder (44). The main body of the heating part (41) is composed of a heating chamber (45) fixed on the frame and an electric heating plate (46) in it. The heating chamber is a rectangular cover shape suitable for the lower mold, with air holes on the top, and the rectangular electric heating plate is fixed in the cover... In fact, the waste materials are recycled and processed into 3D printing materials; The lower mold (42) is a group of four rectangular concave molds, and the bottom of the lower mold is provided with an air extraction hole connected with the vacuum machine; The clamping cylinder 44 is installed on the frame below the forming die, and its piston rod top is connected with the lower die; The strip-shaped lower mold material is wound on the coil barrel of the lower film material conveying system (3) and passes under the electric heating plate (46) in the heating chamber (45) of the heating part and above the lower mold; The air conditioning heat sealing device (5) is mainly composed of an upper pressure sealing chamber seat (51), a lower supporting die (52) and a jacking cylinder (53) which can be combined into a sealing chamber; The upper pressure sealing chamber seat fixed on the nail frame is in the shape of a rectangular cover with air holes on the top surface, which is internally equipped with a rectangular electrothermal sealing plate (54) and a cylinder (55), and the piston rod end of the cylinder is connected with the electrothermal sealing plate; The lower supporting die is a rectangular concave die in four groups corresponding to the shape of the thermoforming box, and the bottom is provided with an air extraction hole; The jacking cylinder with the piston rod upward is fixed on the frame, and the end of the piston rod is fixed under the lower supporting die. International application international publication date of entry into the country patent agency Guangzhou Zhiyou Patent Agency Co., Ltd. agency address agent Zhou Keyou

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