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System for synchronous storage and injection of multiple storage cylinders in plastic hollow molding machine

A technology of injection system and material storage cylinder, which is applied in the field of plastic hollow molding machine equipment, can solve the problems of large product weight error, failure to meet user requirements, and failure to realize synchronous control, etc., and achieve the effect of stable weight control

Inactive Publication Date: 2015-06-10
JIANGSU DADAU MACHINERY & ELECTRIC
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

The first and third types of extruders cannot realize the synchronous control of the extruder, so they cannot realize the synchronous control of the material storage cylinder, resulting in the inability to control the thickness ratio of each layer. The thickness is uneven, which cannot meet the user's requirements; the second type of extruder has no storage tank, and is directly co-extruded through the extruder, and the error of the product weight is generally large

Method used

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  • System for synchronous storage and injection of multiple storage cylinders in plastic hollow molding machine

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Embodiment Construction

[0009] The specific content of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0010] Such as figure 1 As shown, the synchronous storage injection system for multiple storage cylinders in the plastic hollow molding machine includes: several extruders 1, several storage cylinders 2 connected to the extruders 1, respectively connected to the storage cylinders 2 Several servo oil pumps 3, the extruder 1 and the servo oil pumps 3 are respectively connected with the programmable controller 4.

[0011] Such as figure 1 As shown, in this example, including: three extruders 1, three storage cylinders 2 and three servo oil pumps 3, in the actual manufacturing and use process, the extruder 1, storage cylinder 2 and servo oil pump The number of 3 can be set according to actual needs.

[0012] Taking three-layer co-extrusion as an example, through the synchronous control of the three extruders 1, the sync...

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Abstract

The invention discloses a system for the synchronous storage and injection of multiple storage cylinders in a plastic hollow molding machine. The system comprises multiple extruders, multiple storage cylinders and multiple servo oil pumps, wherein the multiple storage cylinders are respectively connected with the extruders, the multiple servo oil pumps are respectively connected with the storage cylinders, and the extruders and the servo oil pumps are respectively connected with a programmable controller. The system has the advantages that the extruders and a hydraulic system are accurately controlled through the programmable controller so as to achieve the synchronous storage and synchronous injection of the multiple storage cylinders, thereby achieving the stable control on the layer ratio, thickness and weight of products.

Description

technical field [0001] The invention relates to a plastic hollow molding machine equipment, in particular to a synchronous storage and injection system for a plurality of storage cylinders in a plastic hollow molding machine. Background technique [0002] At present, the types of plastic hollow extrusion molding machines produced at home and abroad generally fall into the following categories: 1. Single-layer and multi-layer hollow molding machines with integrated storage tanks and machine heads; 2. Multi-layer co-extruded plastics without storage tanks Hollow molding machine; 3. Multi-layer hollow molding machine with independent material storage cylinder and no synchronous control of storage. The first and third types of extruders cannot realize the synchronous control of the extruder, so they cannot realize the synchronous control of the material storage cylinder, resulting in the inability to control the thickness ratio of each layer. The thickness is uneven, which cann...

Claims

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Application Information

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IPC IPC(8): B29C47/56
CPCB29C48/49
Inventor 金国荣胡刚曾祥永袁峥
Owner JIANGSU DADAU MACHINERY & ELECTRIC
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