Method for solving problem of die locking force change in production process of injection molding machine

Abstract

The invention discloses a method for solving the problem of die locking force change in a production process of an injection molding machine. A hydraulic pressure sensor is mounted at a system oil pressure part or a die closing oil cylinder of the injection molding machine, wherein the hydraulic pressure sensor is connected with a control system. The solving method comprises the following steps: 1) starting to perform injection molding and finish die closing through the injection molding machine, detecting a die locking force through the hydraulic pressure sensor and automatically generating a standard die locking force in the production process through a control system; 2) judging whether performing die adjusting action according to the current detected die locking force through the control system after finishing die locking, and judging the die adjusting direction according the die locking force if the die adjusting action needs to be made, wherein each die adjusting action is finished before die closing; and 3) repetitively and circularly executing the step 1 and the step 2 through action of each die in an injection molding process of the injection molding machine. The method has the beneficial effect that the injection molding machine is capable of automatically adjusting the die and finally meeting the requirement of the die locking force when the die locking force deviates in the production process of the injection molding machine, so that the manual adjustment of the die is not required completely.

Description

technical field [0001] The invention belongs to the technical field of injection molding machine control, and in particular relates to a solution to the problem of clamping force variation during the production process of an injection molding machine. Background technique [0002] During the production process of the injection molding machine, due to mechanical changes caused by long-term continuous work, the clamping force has changed, and the clamping force may become larger or change. Due to the change of clamping force, flash or lack of material will appear in the final product. [0003] Therefore, in order to solve product problems caused by changes in the clamping force, it is necessary to keep the clamping force within a certain range during the production process of each mold. Contents of the invention [0004] The purpose of the present invention is to overcome the shortcomings of the prior art, and provide a solution to the problem of clamping force vari...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a solution to the problem of clamping force variation in the production process of injection molding machines that does not require manual mold adjustment.

Images