High-capacity injection moulding machine

A large-capacity, forming machine technology, applied in the direction of coating, etc., can solve the problems that cannot be used directly, and cannot be injection-molded into large-scale rubber and plastic products, so as to reduce processing costs, improve labor productivity, and reduce manufacturing costs.

Inactive Publication Date: 2014-03-26
韩进忠
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  • Application Information

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Problems solved by technology

[0002] At present, domestic large-scale rubber and plastic product machinery mainly includes extruders, injection machines, and hot presses. Due to the limitations of traditional structures and injection molding volume, these equipment can only use plastic or rubber particles with small diameters as raw materials, and can only Mold...

Method used

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Embodiment Construction

[0018] When in use, the dried plastic or rubber raw material enters from the hopper without interruption. Due to the shearing, friction and external heating of the screw rod, pre-plasticizing is realized, and the material is melted into a viscous flow and enters the silk mixing chamber. The mixed material enters the storage injection molding cylinder. The mold is pushed from the bottom to the top by the mold clamping cylinder to close the mold quickly, and the mold clamping cylinder is activated to lock the mold with the taper pin. Immediately open two pairs of injection molding cylinders to realize high-pressure injection molding, and quickly inject pre-molded materials into the mold cavity. After being pressurized twice by the press and kept under pressure for a specified period of time, the molded product is ejected by the ejector mechanism, and a working cycle is completed.

[0019] Through the automation and hydraulic system, the machine achieves the linkage of the whole...

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Abstract

The invention relates to an ultra-large type rubber-plastic product machine, namely, a high-capacity injection moulding machine. The machine is used for producing plastic-ribbed products with various geometrical shapes by mixing various rubber-plastic materials with wood fibres as raw materials. The machine is characterized in that a variable-diameter screw extruder is arranged on a rack, a charge port is formed in the rear end of the extruder, a mixing chamber capable of being filled with wood fibre materials is arranged at the front end of the extruder, an injection cylinder is connected to the top end of the extruder, a press machine with a die is arranged below the injection cylinder, a hydraulic station, an automatic control device, a vacuum pump, a booster oil cylinder and a cooler device are arranged in a machine body respectively, and the extruder is provided with a pre-warming device; the technical scheme is as follows: various plastic and rubber materials are plasticized by the extruder, then mixed with the working chamber filled with the wood fibre materials, then injected in the die after entering the injection cylinder, and subjected to one-time injection moulding by virtue of boosting and cooling, so as to obtain the plastic-ribbed products with the various geometrical shapes. The machine has the additional characteristic of achieving complete-machine non-stop continuous extrusion and continuous injection, and realizing fully-automatic control by automatic and hydraulic systems.

Description

technical field [0001] 1. The present invention relates to a super-large rubber and plastic product machinery "large-capacity injection molding machine". product. Background technique [0002] At present, domestic large-scale rubber and plastic product machinery mainly includes extruders, injection machines, and hot presses. Due to the limitations of traditional structures and injection molding volume, these equipment can only use plastic or rubber particles with small diameters as raw materials, and can only Molding rubber and plastic products with a relatively small injection molding volume, it is impossible to injection mold large rubber and plastic products, and it is impossible to directly use waste plastics that do not need granulation or waste rubber materials mixed with waste wood chips to directly injection mold large plastic bars product. [0003] A large amount of discarded plastic and rubber waste is produced every year in social production and life, resulting ...

Claims

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Application Information

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IPC IPC(8): B29C45/00B29C45/60B29C45/67
CPCB29C45/54B29C45/18B29C45/1816B29C45/561B29C45/60
Inventor 韩进忠
Owner 韩进忠
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