Special PET food packaging sheet extrusion production line

A food packaging and production line technology, applied in the field of plastic extrusion machinery, can solve the problems of poor sheet quality, uneven winding, whitening of blisters, etc., and achieve high comprehensive energy efficiency, neat winding, and no blistering white effect

Inactive Publication Date: 2018-04-20
东莞市杰伟机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, there are problems in the domestic production line that the sheet quality is not high, there are many crystal points, the blister is white, and the winding is not neat.

Method used

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  • Special PET food packaging sheet extrusion production line
  • Special PET food packaging sheet extrusion production line

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Embodiment Construction

[0017] In order to enable the examiner to further understand the structure, features and other purposes of the present invention, the attached preferred embodiments are attached with accompanying drawings in detail as follows. The embodiments illustrated in the accompanying drawings are only used to illustrate the technical solution of the present invention , not to limit the present invention. (apparatus, equipment and elements used in the present invention are routinely used in this field)

[0018] First, please refer to figure 1 , figure 1 It is a structural schematic diagram of the PET food packaging special sheet extrusion production line of the present invention. Such as figure 1 As shown, a PET food packaging special sheet extrusion production line of the present invention, said PET food packaging special sheet extrusion production line includes a feeding unit, a molding unit, a cooling trimming unit and a Finished product collection unit.

[0019] The feeding unit...

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Abstract

The invention provides a special PET food packaging sheet extrusion production line, which sequentially comprises a material feeding unit, a molding unit, a cooling trimming unit and a finished product collection unit from right to left, wherein the material feeding unit comprises a vacuum feeder, a material tank, a dryer and a material hopper, the molding unit comprises a rack, a support arm, a cylinder, a screen changer, a metering pump, a distributor, a mold, a three-roller calender and a double-working position laminating device, the cooling trimming unit comprises a cooling bracket, a round cutter device and a corona machine, the finished product collection unit comprises a drawing machine and a winding machine, the cylinder and the support arm are sequentially arranged on the rack, and the screen changer, the metering pump and the mold are sequentially arranged on the support arm. According to the present invention, the produced special PET food packaging sheet has characteristics of less crystal point, no whitening during plastic suction, neat winding and high comprehensive energy efficiency; and the production line can further be used for producing PS, PP, PE and other sheet materials.

Description

technical field [0001] The invention belongs to the field of plastic extrusion machinery, and in particular relates to a PET food packaging sheet extrusion production line. Background technique [0002] At present, there are problems in the domestic production line that the sheet quality is not high, there are many crystal points, the blister is white, and the winding is not neat. Contents of the invention [0003] In order to solve the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a PET food packaging special sheet extrusion production line to overcome the defects in the prior art. [0004] In order to achieve the above object, the present invention provides a PET food packaging special sheet extrusion production line. The PET food packaging special sheet extrusion production line includes a feeding unit, a molding unit, a cooling cutting A side unit and a finished product collection unit; the feeding unit includes a vac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D7/01
CPCB29D7/01
Inventor 滕爱华
Owner 东莞市杰伟机械制造有限公司
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