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SCF flow controller and control method

A flow controller and controller technology, applied in the field of SCF flow controller and control, can solve the problems of high manufacturing cost, complex structure, reduced precision and control ability, etc.

Pending Publication Date: 2019-07-12
宁波佰氏微泡注塑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing quantitative pump has a complex structure, which leads to high manufacturing costs
And, because of the complex structure, the accuracy and control ability are also reduced

Method used

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  • SCF flow controller and control method
  • SCF flow controller and control method
  • SCF flow controller and control method

Examples

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail: Figure 1 to Figure 2 As shown, an SCF flow controller includes a controller body 4, the controller body 4 is provided with a working chamber 41, and the side wall of the working chamber 41 is connected with an intake solenoid valve 1 and an exhaust solenoid valve 2; A piston head 51 is movably arranged in the working chamber 41 , and the piston head 51 can change the volume of the working chamber 41 by the action of the driving mechanism. An air pressure sensor 42 is arranged at one end of the working chamber 41 .

[0017] Described driving mechanism comprises stepping motor 31, and described stepping motor 31 ends are provided with driving gear 32, and described driving gear 32 is engaged with driven gear 33, and described driving gear 32 and described driven gear 33 are driven The linear displacement is limited; the axial center of the dri...

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PUM

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Abstract

The invention discloses an SCF flow controller. A controller body is included and provided with a work cavity. The side wall of the work cavity is connected with an air inlet electromagnetic valve andan air outlet electromagnetic valve. A piston head is movably arranged in the work cavity and is subjected to the action of a drive mechanism so that the space volume of the work cavity can be changed, and an air pressure sensor is arranged at one end of the work cavity. The invention further discloses a method using the above controller. The SCF flow controller and the control method are provided, the structure is simple, the manufacturing cost is low, the usage method is clear in logic, rapid learning and grasping can be achieved, and accordingly more accurate metering and control can be achieved.

Description

technical field [0001] The invention relates to an SCF flow controller and a control method. Background technique [0002] The micro-foaming injection molding process is an innovative precision injection molding technology. The micro-foaming injection molding process breaks through many limitations of traditional injection molding, which can significantly reduce the weight of the part, shorten the molding cycle, and greatly improve the quality of the part. Warpage and dimensional stability. In the production of precision products with high-quality requirements, the micro-foaming injection molding process has great advantages. In the field of injection molding, Trexel's MuCell micro-foaming molding process is particularly prominent, and it is also one of the fastest-growing and most widely used molding technologies in precision molding technology. [0003] During the microfoaming injection molding process, a certain amount of supercritical fluid needs to be injected. In th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/77B29C45/76
CPCB29C45/77B29C45/7613B29C2945/76498B29C2945/76765
Inventor 白烨
Owner 宁波佰氏微泡注塑科技有限公司
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