Die rotating device of injection molding machine

Abstract

The invention relates to a die rotating device of an injection molding machine. The die rotating device comprises a moving die rotating disc and a fixed backboard, wherein a central fixed shaft and arotating shaft sleeve are arranged on the axis of the moving die rotating disc, the moving die rotating disc, the central fixed shaft and the rotating shaft sleeve are coaxially matched with each other, and the rotating shaft sleeve is rotatably arranged relative to the central fixed shaft; the central fixed shaft is fixed to the fixed backboard, the rotating shaft sleeve is fixed to the moving die rotating disc, and the rotating shaft sleeve rotates along with the moving die rotating disc; more than one liquid flow channel group is respectively arranged on the central fixed shaft and the rotating shaft sleeve, and the liquid flow channel group comprises more than one water conveying flow channel and / or more than one oil conveying flow channel and / or more than one gas conveying flow channel; and the moving die rotating disc rotates for a certain angle relative to the fixed backboard, and flow channels in at least one liquid flow channel group on the central fixed shaft are in one-to-one correspondence to and communicate with the corresponding flow channels on the rotating shaft sleeve. The die rotating device has the characteristics of compact structure, high efficiency, high degree of automation, high universality and reliable performance, and different forming processes can be satisfied.

Description

technical field [0001] The invention relates to a multi-color injection molding machine, in particular to a mold rotary device of the injection molding machine. Background technique [0002] Two-color (multi-color and multi-material) injection molding machine uses two (multiple) independent injection mechanisms to plasticize two (multiple) different plastics in two (multiple) barrels, and is equipped with corresponding Two-color (multi-color) molding technology equipment operates simultaneously or alternately to form products composed of two (multiple) different colors or different plastics. With the development of modern design and application technology, two-color injection molding products are widely used in auto parts, home appliances and other industries. In order to improve the quality and efficiency of molding, many injection molding manufacturers have put forward higher and higher requirements for multi-color molding technology. The multi-color application technolog...

AI Technical Summary

Problems solved by technology

However, there are generally problems in the existing technology that the circulation is difficult to communicate or leakage is easy to occur. For example, the turntable structure of the injection molding machine published on April 1, 2015 by the Chinese Patent Document No. CN104476714A specifically discloses: Water distribution components, power components, positioning components, limit components, elastic rolling components, protection components, support components, hydraulic control components, the cooling water distribution components are composed of front distribution plate, rear distribution plate, distribution plate cover and The power assembly is composed of a motor, a driving gear, an intermediate gear shaft, an intermediate gear, a rolling bearing, a motor seat, and a drive motor cover; the positioning cylinder assembly includes a positioning cylinder, a positioning rod, a fixing seat, and an induction block, positioning block; the limiting component contains a limiting rod and a limiting inclined block; the protective component is composed of a left guard strip, a right guard strip, a bottom guard strip, and an upper guard plate; the described The support wheel assembly is composed of only support wheels, and the elastic rolling assembly includes ball glands, ball holders, balls, springs, ball supports, fixing screws and adjusting screws; the electrical and hydraulic assemblies are composed of separate valve plates and The corresponding control valves can be flexibly arranged on the moving platen of the main engine, and connected to the driving motor and positioning cylinder through hoses

This structure has the above-mentioned difficulties in circulation and communication, and is easy to leak, etc. Therefore, it is necessary to make further improvements

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