Injection machine energy-saving equipment based on frequency conversion speed controller and its method
A technology of frequency conversion speed regulator and energy-saving device, which is applied in the direction of DC motor speed/torque control, electrical components, control systems, etc., and can solve problems such as limiting the scope of application
Inactive Publication Date: 2004-02-11
EMERSON NETWORK POWER CO LTD
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Problems solved by technology
However, when using this technology to transform the injection molding machine, the user needs to modify the internal structure, software, and circuit of the injection molding machine. That is to say, its realization requires a full understanding of the internal structure and operating mechanism of the injection molding machine. Support can be realized, which greatly limits its scope of application
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[0026] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
[0027] figure 2 , 5 They are two implementation forms of the present invention. The figure shows an injection molding machine energy-saving device based on a frequency converter, which is characterized in that it includes a signal acquisition device 1 and a signal processing device 2. The signal acquisition device 1 It is used to receive the process parameter setting and working status signals of the injection molding machine, and convert these signals and input them to the signal processing device 2; there is a frequency calculation device in the signal processing device 2, which is used to receive signals from the signal acquisition device 1 The incoming signal and calculate the frequency value F of the frequency converter, and input the frequency value F to the frequency converter connected with the motor of the injection...
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The energy-saving equipment of inejction moulding machine based on frequency conversion speed-regulator includes signal collecting device and signal processing device. The signal collecting device is used for receiving technological parameter setting of injection moulding machine and its working condition signal, converting these signals and inputting them into signal processing device. The signal processing device can be used for calculating the operation set frequency valve of frequency conversion speed-regulator and inputting said frequency value into the frequency conversion speed-regulator connected with motor of injection moulding machine so as to control running speed of the motor. Under the condition of non-extremal requirements, it can properly reduce running speed of motor, it can ensure normal production of injection moulding machine, and can effectively save energy source.
Description
technical field [0001] The invention relates to an energy-saving device and method for an injection molding machine based on a frequency conversion speed regulator. Background technique [0002] In current production and life, a large number of plastic products or semi-finished products are made by injection molding and stamping by injection molding machines. figure 1 It is the outline drawing of the injection molding machine, and its work is as follows: Now input the process parameters of each process section of the product, such as: pressure (oil pressure), speed (oil output speed), time, distance, etc. through the panel (position A), The injection molding machine automatically inputs these parameters into the central processing unit CPU board (position B) for processing, and then outputs them to the pressure-flow proportional regulating valve (position C). The power frequency motor (position D) provides enough power to drive the oil pump (position E), and the oil pressur...
Claims
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IPC IPC(8): B29C45/76
Inventor 姜仲文齐勇
Owner EMERSON NETWORK POWER CO LTD