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Mold protection method and system and readable storage medium

A mold and protection program technology, applied in the field of mold protection methods, systems and readable storage media, to achieve the effects of avoiding interference from interference signals, improving accuracy, and accurately starting mold protection

Active Publication Date: 2020-11-17
SHENZHEN INOVANCE TECH
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  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a mold protection method, system and readable storage medium, aiming to solve the technical problem of how to improve the detection accuracy of foreign objects in the low-voltage mold protection zone in the prior art to accurately start mold protection

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  • Mold protection method and system and readable storage medium
  • Mold protection method and system and readable storage medium
  • Mold protection method and system and readable storage medium

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Embodiment Construction

[0038] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0039] The invention provides a mold protection system, referring to figure 1 , figure 1 It is a schematic structural diagram of the system hardware operating environment involved in the embodiment of the mold protection system of the present invention.

[0040] Such as figure 1 As shown, the mold protection system may include: a processor 1001 , such as a CPU, a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. Optionally, the network interface 100...

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Abstract

The invention discloses a mold protection method and system and a readable storage medium. The method comprises the steps of obtaining a reference value of a motor load rate in a preset section and aninstantaneous value of the motor load rate in a low-voltage section of mold closing, and enabling the preset section to be located in the low-voltage section; and judging whether the deviation valuebetween the instantaneous value of the motor load rate and the reference value of the motor load rate is greater than a preset deviation threshold value or not, and if the deviation value is greater than the preset deviation threshold value, stopping mold closing of a mold. According to the method, in the previous mold closing process, the motor load rate in the preset interval is formed into thereference value to be used as the basis for detecting foreign matter, so that the detection accuracy is improved; and moreover, the reference value and the instantaneous value are obtained by converting the current after filtering, so that the interference of interference signals is avoided, the detection accuracy is further improved, and the mold protection can be accurately started.

Description

technical field [0001] The invention relates to the technical field of electric control, in particular to a mold protection method, system and readable storage medium. Background technique [0002] The all-electric injection molding machine is a kind of plastic injection molding equipment. It is different from the hydraulic transmission mode of the pump and the hydraulic cylinder used in the hydraulic injection molding machine. It adopts the mechanical transmission mode of the servo system and the lead screw. with higher precision. The mold clamping process of an all-electric injection molding machine is usually divided into three stages: fast mold clamping, low pressure mold protection and high pressure mold clamping. The high-sensitivity foreign object detection capability in the low-pressure mold protection zone can prevent problems such as machine unbalanced load and mold surface damage, effectively protect the safety of the machine and mold, and prolong the service lif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/76
CPCB29C45/76B29C2945/76732B29C2945/76866B29C2945/76989B29C2945/76973B29C2945/76632
Inventor 彭瑞谭才兴汪伟郑佳文
Owner SHENZHEN INOVANCE TECH
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