Unlock instant, AI-driven research and patent intelligence for your innovation.

Five-layer co-extrusion film blowing machine head

A technology of co-extrusion blown film and head, applied in the field of five-layer co-extrusion blown film head, which can solve the problems of high cost and large size

Active Publication Date: 2021-04-09
CHONGQING RUITING PLASTIC
View PDF21 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention intends to provide a five-layer co-extrusion film blowing machine head to solve the problem that the current co-extrusion film blowing machine head for producing five-layer composite films has a relatively large size and high cost.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Five-layer co-extrusion film blowing machine head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Five-layer co-extrusion blown film head, basically as attached figure 1 As shown, it includes the mandrel 1 and the distribution disk 2 overlappingly arranged outside the mandrel 1. There is an annular gap on the outside of the upper part of the mandrel 1, so a mounting platform appears on the mandrel 1, and the distribution disk 2 at the bottom passes through Bolts are fixed on the installation platform, and a sealing ring 3 is provided between the distribution disc 2 and the installation platform. The top distribution disk 2 is connected with a mounting ring 4 by bolts, and a sealing ring 3 is also provided between the installation ring 4 and the top distribution disk 2 . A forming channel 41 is formed between the mounting ring 4 and the top of the notch, and the thickness of the forming channel 41 decreases sequentially from bottom to top.

[0033] The distribution disc 2 is also provided with an annular channel 21, which is inclined downward from the outside to the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of extrusion nozzles or die orifices, and discloses a five-layer co-extrusion film blowing machine head. The five-layer co-extrusion film blowing machine head comprises a mandrel, a plurality of distribution discs are arranged outside the mandrel in an overlapped mode, a gathering flow channel is arranged between the distribution discs and the mandrel, and each distribution disc is provided with an annular flow channel communicating with the gathering flow channel. A material inlet communicating with each annular flow channel is formed outside each distribution disc, circular flow channels which are sequentially distributed from inside to outside are further formed in the mandrel, the circular flow channels all communicate with the gathering flow channel, and a plurality of material inlets communicating with the circular flow channels are also formed in the bottom of the mandrel; and the sum of the number of the circular flow channels and the number of the distribution discs is five. The five-layer co-extrusion film blowing machine head solves the problem that the cost is high due to the fact that the size of an existing five-layer co-extrusion film blowing machine head for producing five-layer composite films is large.

Description

technical field [0001] The invention belongs to the technical field of extrusion nozzles or dies, and in particular relates to a five-layer co-extrusion film blowing head. Background technique [0002] Co-extrusion blown film machine, including extrusion device and head, uses multiple different extrusion devices to heat and melt different plastic particles and extrude them into the head, and a variety of different molten materials are aggregated and co-extruded to form Composite film. Since the composite film includes multiple layers, usually an odd number of layers, which includes a skeleton layer in the middle and functional layers on both sides, the skeleton layer is usually made of cheap materials; Combustibility, heat protection, sound absorption, heat insulation, viscosity, etc., are made of materials with special functions, and the materials are more expensive. The composite film formed by co-extruding a variety of different materials can have high use effect and lo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B29C55/28B29C48/18B29C48/30B29C48/00
CPCB29C55/28B29C48/18B29C48/30B29C48/0018
Inventor 毛泽利毛昭洪
Owner CHONGQING RUITING PLASTIC