Power-saving control process for hot-working and forming of plastic
A technology of thermal processing and power-saving control, applied in the field of energy-saving, can solve the problem of high energy loss, achieve the effect of shortening the working cycle, reducing actual energy consumption, and improving the quality of injection molding products
Inactive Publication Date: 2013-03-20
JIEYANG SHUNJIALI PLASTIC IND
View PDF9 Cites 7 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to provide a power-saving control process for plastic thermal processing to solve the disadvantage of high energy loss in the hydraulic system of the existing injection molding machine
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0012] A power-saving control process for plastic thermal processing, which is installed in the hydraulic system of the traditional injection molding machine. The oil pump motor provides a constant flow rate at a constant speed, and the excess hydraulic oil returns through the overflow valve. High-pressure throttling control process, Use the servo drive control process instead, the said servo drive control process is the pressure P and the flow rate V signal directly given by the injection molding machine system, which is provided to the servo drive 5, and the signal output by the servo drive 5 controls the permanent magnet synchronous servo motor 3, The permanent magnet synchronous servo motor 3 outputs the torque and speed under different actions according to the pressure and flow required for different actions of the injection molding machine, and drives the quantitative oil pump 2 to extract hydraulic oil from the oil tank 1, and the hydraulic oil drives the injection throug...
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
Login to View More Abstract
The invention relates to a power-saving control process for hot working and forming of plastic. A pressure P signal and a flow rate V signal directly given by an injection molding machine system are provided to a servo driver; a permanent magnet synchronous servo motor is controlled by a signal output by the servo driver; and torque and rotation speed under different actions are output by the permanent magnet synchronous servo motor according to pressure and flow rate needed for different operations of the injection molding machine to drive a quantitative oil pump to extract hydraulic oil from an oil tank; and the hydraulic oil drives the execute component of the injection molding machine to complete different actions via a control valve. According to the power-saving control process provided by the invention, the torque and the rotary speed of the motor under different actions can be controlled through the servo motor according to the pressure and flow rate needed for different actions of the injection molding machine, i.e., the output power of the motor in different actions is controlled, so that high energy consumption generated by high-pressure overflowing of a common quantitative pump system is overcome, and practical energy consumption of an oil pump motor is reduced by 50%-80%.
Description
technical field [0001] The invention belongs to the technical field of energy saving, and in particular relates to an electricity-saving control process for thermal processing and molding of plastics. Background technique [0002] Injection molding machines require different pressures and flows in each stage of mold clamping, mold locking, glue injection, pressure holding, melting glue, cooling, mold loosening, mold opening, and taking out. For the oil pump motor, the load of the injection molding process is always in a changing state. In the hydraulic system of the quantitative pump, the oil pump motor provides a constant flow at a constant speed, and the excess hydraulic oil returns through the relief valve. This process is called high pressure. throttling. According to statistics, in the hydraulic system of existing injection molding machines, the energy loss caused by high-pressure throttling is as high as 36%-68%. Contents of the invention [0003] The object of the...
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
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/76
Inventor 郑志勇郑志敏郑益宜
Owner JIEYANG SHUNJIALI PLASTIC IND