Injection molding machine control system

Abstract

The device for controlling an injection molding machine (10) comprises a numerical-value-setting unit (20) that sets numerical values for a plurality of items included in the molding conditions of an injection molding machine and a range-setting unit (24) that sets an input limit range which is a range for limiting input of numerical values. The range-setting unit (24) calculates an input limit range for numerical values set for at least one item using numerical values and coefficients common to each item.

Claims

1. A numerical setting unit for setting numerical values ​​for multiple items included in the molding conditions of an injection molding machine, A range setting unit sets an input restriction range which is a range for restricting the input of the aforementioned numerical value, Equipped with, The range setting unit calculates the input limit range of the numerical value set for at least one of the items using the numerical value and a coefficient common to each of the items. The control device for an injection molding machine is configured such that the numerical setting unit can restrict the acceptance of numerical input or modification by an operator for the item for which the input restriction range has been set, based on the input restriction range set for the item into which the numerical value is input.

2. A control device for an injection molding machine according to claim 1, The range setting unit is a control device for an injection molding machine that calculates the input limit range for the numerical values ​​set for each of the items in a single operation.

3. A control device for an injection molding machine according to claim 1 or 2, The range setting unit is a control device for an injection molding machine that calculates the input limit range of the numerical value set for the item selected by the operator from among a plurality of items.

4. A control device for an injection molding machine according to claim 1 or 2, A numerical value acquisition unit that acquires the numerical value set for each of the above items, For each of the above items, the display control unit is provided to display the numerical value, the upper limit of the input restriction range, and the lower limit of the input restriction range on the display unit. The range setting unit is a control device for an injection molding machine that calculates the upper limit and the lower limit.

5. A control device for an injection molding machine according to claim 1 or 2, The control device for an injection molding machine calculates the input limit range using a first coefficient, which is a coefficient used to calculate the upper limit of the input limit range, and a second coefficient, which is a coefficient used to calculate the lower limit of the input limit range.

6. A control device for an injection molding machine according to claim 1 or 2, It includes a coefficient storage unit that stores the coefficients input by the operator, The range setting unit is a control device for an injection molding machine that calculates the input limit range using the coefficients stored in the coefficient storage unit.

7. A control device for an injection molding machine according to claim 1 or 2, The injection molding machine is equipped with a rating range storage unit that stores the rating range in which the input of the aforementioned numerical value is limited according to the specifications of the injection molding machine, The range setting unit is a control device for an injection molding machine that sets the narrower of the input limit range or the rated range.

8. A control device for an injection molding machine according to claim 1 or 2, A control device for an injection molding machine, wherein, when a request is made to change the aforementioned numerical value to a value outside the input limit range, the numerical value setting unit discards the value outside the input limit range and maintains the current numerical value.

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