WO2012115105A1 - Dispositif de diagnostic d'une condition de moulage - Google Patents

Dispositif de diagnostic d'une condition de moulage Download PDF

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Publication number
WO2012115105A1
WO2012115105A1 PCT/JP2012/054126 JP2012054126W WO2012115105A1 WO 2012115105 A1 WO2012115105 A1 WO 2012115105A1 JP 2012054126 W JP2012054126 W JP 2012054126W WO 2012115105 A1 WO2012115105 A1 WO 2012115105A1
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WIPO (PCT)
Prior art keywords
molding
molding condition
unit
value
determination
Prior art date
Application number
PCT/JP2012/054126
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English (en)
Japanese (ja)
Inventor
慶彦 青山
Original Assignee
東洋機械金属株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 東洋機械金属株式会社 filed Critical 東洋機械金属株式会社
Priority to JP2013501071A priority Critical patent/JP5891217B2/ja
Priority to CN201280010211.2A priority patent/CN103402732B/zh
Publication of WO2012115105A1 publication Critical patent/WO2012115105A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/32—Controlling equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76929—Controlling method
    • B29C2945/76939—Using stored or historical data sets

Definitions

  • the present invention relates to a molding condition diagnosing apparatus provided in a molding machine such as an injection molding machine or a die casting machine, and more particularly, to a device for diagnosing the suitability of molding conditions set in advance from measured values detected during continuous automatic operation. .
  • Molding machines such as injection molding machines and die casting machines are equipped with molding condition setting devices that set molding conditions.
  • the molding condition setting device Prior to the operation of the molding machine, the molding condition setting device is operated to operate a molded product. It is necessary to input required molding conditions according to the conditions.
  • the molding conditions of the molding machine are diverse, skill is required to set the molding conditions, and it is difficult for an unskilled person to efficiently set all the setting items required.
  • a device for simplifying the operation when setting the molding conditions and a device for preventing forgetting to change the set value have been added.
  • Various molding condition setting devices have been proposed (see, for example, Patent Documents 1, 2, and 3).
  • JP-A-5-42571 JP 2008-114403 A Japanese Patent No. 4094194
  • the conventional molding machine is provided with means for diagnosing whether or not the molding conditions (setting values for each item) input by operating the molding condition setting device are appropriate after the start of continuous automatic operation. Since it is not possible to prevent continuous automatic operation under improper molding conditions, there is room for further improvement in producing high-quality molded products with high efficiency.
  • the basic items of molding conditions are not very different between manufacturers, but there are slight differences in functionality including the name and layout. It is actually possible to forget to set the molding conditions.
  • the setting of the molding conditions is performed by the operator based on his / her own experience, an inappropriate molding condition may be input in some cases. Even if improper molding conditions are set in this way, there is no immediate effect on the machine operation of the molding machine, so continuous automatic operation is continued and molded products that do not reach the target quality are molded, Inconveniences such as failure to obtain a target shot cycle occur.
  • the present invention has been made to solve such deficiencies in the prior art, and its purpose is to diagnose the suitability of molding conditions set in advance from measured values detected during continuous automatic operation,
  • An object of the present invention is to provide a molding condition diagnosis apparatus capable of notifying an operator.
  • the present invention firstly includes a mold opening and closing device and an injection device for injecting a molding material into the mold that has been closed, and a predetermined molding comprising a plurality of steps.
  • a molding machine body for molding a predetermined molded product by repeating a cycle molding condition setting means for an operator to set molding conditions for the molding machine body, molding condition reference values determined by specifications of the molding machine body, and the molding Control means for controlling the driving of the molding machine main body based on the molding condition setting value set in the condition setting means, and a predetermined physical quantity provided in a predetermined part of the molding machine main body, and measuring a predetermined physical quantity of the provided part.
  • a molding condition diagnosing apparatus for determining whether or not the molding condition set value is appropriate, and notifying an operator of the molding condition diagnosis value, the measurement value output from the measurement means and The molding condition setting value input section set in the molding condition setting means, the measurement value input to the input section and the molding condition setting value comparison section, and the molding condition setting value are inappropriate.
  • a determination unit for determining whether or not a comparison result of the comparison unit satisfies a determination criterion stored in the storage unit, and the determination unit When the comparison result of the comparison unit determines that the determination criterion stored in the storage unit is satisfied, a unique determination display according to the measured value and the molding condition setting value compared is output to the monitor unit It is characterized by doing.
  • a molding machine such as an injection molding machine or a die casting machine
  • it is required to set a required molding condition setting value according to a molded product in a molding condition setting device attached to the molding machine.
  • Various disadvantages in terms of quality and production efficiency can occur.
  • whether or not the molding condition setting value set in the molding condition setting device is inappropriate is determined by the measurement value output from the measuring means provided in each part of the molding machine body being set in the molding condition setting device. It is possible to determine whether or not the molding condition has a specific relationship, and the specific relationship can be obtained by experiment or simulation.
  • a molding condition diagnosis apparatus having a required input unit, comparison unit, storage unit, and determination unit is attached to the molding machine body, and the determination unit satisfies the determination criteria stored in the storage unit. If a unique judgment display corresponding to the measured value and molding condition setting value compared with each other is output to the monitor unit, the operator can know that the molding condition setting value is inappropriate. A countermeasure corresponding to the display content of the part can be taken as appropriate, and a high-quality molded product can be molded with high efficiency. Depending on the type of molded product, the molding condition setting value may be consciously set different from the molding condition setting value when molding a normal molded product. There is no need to take.
  • the present invention secondly includes a mold opening and closing device and an injection device for injecting a molding material into the mold that has been closed, and a predetermined molding comprising a plurality of steps.
  • a molding machine body for molding a predetermined molded product by repeating a cycle molding condition setting means for an operator to set molding conditions for the molding machine body, molding condition reference values determined by specifications of the molding machine body, and the molding Control means for controlling the driving of the molding machine main body based on the molding condition setting value set in the condition setting means, and a predetermined physical quantity provided in a predetermined part of the molding machine main body, and measuring a predetermined physical quantity of the provided part.
  • a molding condition diagnosing apparatus for determining whether or not the molding condition set value is appropriate, and notifying an operator of the molding condition diagnosis value, the measurement value output from the measurement means and The molding condition reference value input unit stored in the control means, the measured value input to the input unit and the molding condition reference value comparison unit, and the molding condition set value are determined to be inappropriate.
  • a determination unit that determines whether a comparison result of the comparison unit satisfies a determination criterion stored in the storage unit, and the determination unit includes the determination unit When it is determined that the comparison result of the comparison unit satisfies the determination criterion stored in the storage unit, a unique determination display corresponding to the measured value and the molding condition reference value compared is output to the monitor unit. It is characterized by.
  • the second molding condition diagnostic apparatus is configured such that the first molding condition diagnostic apparatus compares the measurement value output from the measuring unit in the comparison unit with the molding condition setting value set in the molding condition setting unit.
  • the comparison unit compares the measured value output from the measuring means with the known molding condition reference value determined from the specifications of the molding machine body. If the molding condition setting value set in the molding condition setting means is inappropriate, the measured value will not match the molding condition reference value, so by comparing the measured value with the molding condition reference value, the molding condition It can be determined whether the set value is appropriate or inappropriate.
  • the determination unit determines that the comparison result of the comparison unit satisfies the determination criterion stored in the storage unit, a specific determination display according to the measured value and the molding condition reference value compared to each other is displayed on the monitor unit. By outputting, the same effect as the first molding condition diagnosis apparatus can be exhibited.
  • the present invention provides the molding condition diagnosis apparatus having the first and second configurations, wherein the control means is configured to perform the preset number of shots when a diagnosis of molding conditions is instructed by an operator during continuous automatic operation.
  • the measurement value is sampled, and then the determination by the determination unit for all the preset diagnostic items is automatically executed based on the sampled measurement value.
  • the diagnosis items include at least a primary pressure setting, an injection timer setting, and a holding pressure setting in an injection process, a measurement process time in a measurement process, and a mold opening / closing process.
  • Low pressure mold clamping, low pressure mold clamping torque, and low pressure mold clamping time are preset in the control means, and the control means automatically executes determination by the determination unit for each of these diagnostic items. To do.
  • Each diagnostic item described above can determine the suitability of the molding condition setting value by comparing the molding condition setting value set in the molding condition setting means with the measurement value output from the measuring means.
  • the diagnostic items include at least a holding time setting, an injection load torque and a filling rate in the injection process, a suckback setting and a measurement load torque in the measurement process, and a temperature control.
  • An energization rate to the heating cylinder heater in the process is preset in the control means, and the control means automatically executes determination by the determination unit for each of these diagnostic items.
  • Each diagnostic item described above can determine the suitability of the molding condition set value by comparing the molding condition reference value determined from the specifications of the molding machine main body with the measurement value output from the measuring means.
  • the molding condition diagnosis apparatus of the present invention diagnoses the suitability of the molding condition set value set in the molding condition setting means, it can prevent continuous automatic operation from being continued under an inappropriate molding condition setting value. High-quality molded products can be produced with high efficiency.
  • the molding condition diagnosis apparatus 1 As shown in FIG. 1, the molding condition diagnosis apparatus 1 according to the embodiment is attached to a molding machine including a molding machine body 10, a control unit 20, and a molding condition setting unit 30, and is set in the molding condition setting unit 30. It is diagnosed whether or not the set molding condition set value is appropriate.
  • the molding machine main body 10 includes a mold opening / closing device and an injection device that injects a molding material into a mold that is closed, and includes a weighing process, a mold closing process, an injection process, a mold opening process, a product taking process, and the like. A predetermined molding cycle is repeated to form a predetermined molded product, and either an injection molding machine for molding a plastic product or a die casting machine for molding a light metal product may be used.
  • Measuring means (sensor group) 11 for measuring and outputting a predetermined physical quantity is provided in predetermined parts of the opening / closing device and the injection device, and the measured value data output from the sensor group 11 is a molding condition diagnostic device. 1 and the control means 20.
  • the configuration of the molding machine main body 10 is a well-known matter and is not the gist of the present invention, and thus the description thereof is omitted.
  • the control unit 20 controls the entire driving of the molding machine body 10, and the molding condition setting value set in the molding condition setting unit 30, the molding condition reference value determined by the specifications of the molding machine body 10, and the sensor group 11. Based on the output measurement value data, the driving of the mold opening / closing device and the injection device is controlled, and the predetermined molding cycle described above is executed.
  • the molding condition setting means 30 is for the operator to input an appropriate molding condition setting value that matches the characteristics of the molded product to be molded before the molding machine body 10 starts operation.
  • Any molding condition setting device belonging to the public knowledge such as those described in No. 3 can be used.
  • the molding condition diagnosis apparatus 1 includes an input unit 2 that captures measurement value data output from the sensor group 11 and molding condition setting values set in the molding condition setting means 30, and these measurement value data.
  • the comparison unit 3 that compares the molding condition setting values, the operation program of the molding condition diagnosis apparatus 1, the diagnostic items, the determination criteria for determining that the molding condition setting values are inappropriate, the determination message displayed to the operator, and the like.
  • the molding condition diagnosis apparatus 1 can also be configured integrally with the above-described control unit 20 and molding condition setting unit 30.
  • the operator sets a molding condition setting value in the molding condition setting unit 30 and activates the control unit 20 to start continuous automatic operation of the molding machine body 10.
  • the molding condition diagnosis apparatus 1 can be started at any time.
  • the measurement value data is sampled for the number of shots preset in the storage unit 4 in accordance with the operation program stored in the storage unit 4, and then the sampled measurement value data
  • molding condition diagnosis for all diagnosis items set in advance is automatically executed by the determination unit 5, and a predetermined determination message corresponding to the determination result is output from the output unit 7 to the monitor unit 6. Is displayed.
  • the operator can confirm the determination message and change the molding condition setting value as necessary. If the operator determines that the change of the molding condition setting value is unnecessary regardless of the content of the determination message, the continuous automatic operation can be continued as it is.
  • the storage unit 4 stores the filling rate, the weighing process time in the weighing process, the suck back setting and the weighing load torque, the low pressure mold clamping, the low pressure mold clamping torque and the low pressure mold clamping time in the mold opening / closing process, and the current supply rate in the temperature adjustment process
  • a determination criterion and a determination message corresponding to each diagnosis item are stored in the storage unit 4.
  • the primary pressure setting of the injection molding machine has the meaning of the monitoring pressure, and is set for the purpose of not increasing the pressure value (maximum injection pressure) during the speed control beyond the set value.
  • the control of the maximum injection pressure is the speed priority control, and as shown in FIG. 4A, the measured value of the maximum injection pressure is always lower than the set value.
  • the filling speed moves according to the set value.
  • the control of the maximum injection pressure becomes the pressure priority control when the measured value is about to exceed the set value, and as shown in FIG.
  • the speed becomes slower than the set value, causing resin clogging. Therefore, in the case of this example, as shown in the first column of FIG.
  • the measured value of the maximum injection pressure is equal to or larger than the set value as a criterion for determining that the molding condition set value is inappropriate.
  • (Measured value ⁇ set value) is stored in the storage unit 4, and when the measured value exceeds the set value, as shown in the same column, the monitor unit 6 indicates" Injection pressure control " Outputs a judgment message.
  • the operator can take measures such as increasing the primary pressure set value, decreasing the injection speed, and increasing the resin temperature.
  • pressure control is intentionally performed based on the operator's judgment, it is not necessary to correct the molding conditions according to the judgment message.
  • the primary injection timer has a meaning as a backup timer for the primary injection time, and controls the molding machine body 10 as a primary injection abnormality when the primary injection time during molding exceeds the primary injection timer set time. It is set for the purpose of automatically stopping by means 20. Therefore, if the primary injection timer setting is inappropriately long with respect to the primary injection time, the molding machine main body 10 is not automatically stopped even when the primary injection abnormality occurs, and problems such as nozzle clogging occur. Will occur. For example, as shown in FIG. 5, such a problem occurs when the measured value of the primary injection time is 1.94 sec but 15 sec is set as the primary injection timer setting time. Cheap. Therefore, in the case of this example, as shown in the second column of FIG.
  • the set value is the measured value of the injection time + 2 sec or more as a criterion for determining that the molding condition set value is inappropriate.
  • (Setting value ⁇ measured value + 2 sec) ” is stored in the storage unit 4, and as shown in the same column, if the set value exceeds this value, the monitor unit 6 sets“ injection timer setting larger. Is output.
  • the operator corrects the molding condition in response to the determination message, the operator corrects the primary injection timer to a value that is about 0.5 sec to 1.0 sec greater than the measured value.
  • the timer switching method is set as the VP switching method, it is not necessary to correct the molding conditions according to the determination message.
  • the holding pressure setting is set for the purpose of restricting the maximum speed during holding in order to prevent an excessive speed from being generated during holding and causing defects such as burrs in the molded product. That is, as shown in FIG. 6, the pressure can be suppressed by regulating the speed during pressure holding, and if the pressure holding speed setting is appropriate, a good product can be molded, but the pressure holding speed setting is high. If it is too large, appearance defects such as burrs will occur in the molded product. Therefore, in the case of this example, as shown in the third column of FIG.
  • the measured value of the maximum pressure holding pressure is equal to or higher than the set value
  • the monitor unit 6 indicates“ speed control during holding pressure ”.
  • Message is output.
  • the operator can take measures such as lowering the set holding pressure, increasing the holding pressure setting, or changing the VP switching position.
  • the pressure holding speed setting is often used intentionally by the operator for speed control, and if it needs to be changed, it may be too low to reach the target pressure, or too high to cause excessive speed. Limited to cases.
  • the pressure holding time setting is an item for setting a time (gate seal time) in which the gate portion is solidified and the sprue / runner can be taken out.
  • the gate seal time is determined by the specifications of the molding machine body 10 including the mold. In this specification, the value determined by the specifications of the molding machine body 10 is referred to as a molding condition reference value or simply a reference value.
  • the gate may not be solidified while the screw continues to advance, and the pressure holding time is kept while the screw continues to advance. If set, the molded product cannot be taken out satisfactorily. Therefore, in the case of this example, as shown in the fourth column of FIG.
  • the measured value of the pressure at the completion of pressure holding is 1 mm / "sec (reference value) or more” is stored in the storage unit 4, and when the measured value exceeds the reference value as shown in the same column, the monitor unit 6 "insufficient holding time" The judgment message is output. The operator can lengthen the holding pressure setting time when the molding condition is corrected according to the determination message.
  • the injection load torque is a torque accumulated in the injection motor when the load is carried over to the next cycle. If the molding conditions are appropriate, the injection motor usage time in one cycle is short, so there is a margin in the recovery time of the injection motor, and the execution torque is not accumulated in the injection motor. When the cooling time is extremely short, the injection motor does not recover every cycle, the execution torque is accumulated in the injection motor, and eventually overload occurs.
  • This injection load torque is also a reference value determined by the specifications of the molding machine body 10. Therefore, in the case of this example, as shown in the fifth column of FIG.
  • the measured value of the injection execution torque is 0% (reference Value) or more "is stored in the storage unit 4, and as shown in the same column, when the measured value exceeds the reference value, the monitor unit 6 determines that a load has occurred on the injection motor.
  • Output a message.
  • the operator can take a method such as extending the cooling time or lowering the injection pressure.
  • the filling rate is the rate of the primary injection filling amount in the entire product. In a molding machine, it is often calculated by the value of the primary injection stroke occupying the maximum stroke in one shot, considering the stroke. In the case of an electric injection molding machine, as shown in FIG. 8, filling 90% or more by primary injection is also effective in various condition adjustments, and considering the filling rate is VP This can be one factor that determines the switching position. This filling rate is also a reference value determined by the specifications of the molding machine body 10. In the case of this example, as shown in the sixth column of FIG. 3, “measurement of filling rate (stroke of primary injection / maximum stroke) is used as a criterion for determining that the molding condition setting value is inappropriate.
  • the value (calculated value) is 90% (reference value) or less" is stored in the storage unit 4, and when the measured value is less than the reference value as shown in the same column, the monitor unit 6 indicates Outputs the judgment message “It is less”. The operator can change the VP switching position when the molding condition is corrected according to the determination message.
  • the weighing process time is set as the total time of the weighing delay time, the weighing time, and the suck back time.
  • the measuring process plasticization process: 19.64 sec
  • the cooling set time 20.00 sec
  • the actual weighing process time may exceed the cooling set time.
  • the cycle time varies, which causes a reduction in the production efficiency of the molded product. Therefore, in the case of this example, as shown in the seventh column of FIG.
  • the measurement value of the measuring process time is equal to or longer than the cooling time as a criterion for determining that the molding condition setting value is inappropriate. "Is stored in the storage unit 4 and, as shown in the same column, when the measured value is equal to or longer than the cooling time, a determination message of" the measurement process time exceeds the cooling time "is output to the monitor unit 6 . When the operator corrects the molding conditions according to the determination message, the operator can shorten the measuring time by increasing the measuring conditions, for example, the number of revolutions of the measuring motor.
  • the suck back setting is performed for the purpose of preventing the measurement resin that has received back pressure from dripping out from the nozzle tip, and is basically set by setting the retraction amount and retraction speed of the screw.
  • the injection residual pressure detected by the load cell at the time of completion of measurement can be set as a guide.
  • the injection residual pressure at the time of completion of the metering is not necessarily zero, and is set based on an empirical rule as long as the molding material does not spill out from the nozzle tip.
  • the injection residual pressure at the time of completion of measurement at which the molding material does not spill out from the nozzle tip is determined by the specifications of the molding machine body 10.
  • the injection residual pressure at the time of completion of measurement is 1 Mpa (reference value) as a criterion for determining that the molding condition setting value is inappropriate.
  • the monitor unit 6 “Insufficient suckback amount” The judgment message is output.
  • the metering load torque is a torque accumulated in the metering motor when the motor load is high and is carried over to the next cycle.
  • the usage time of the metering motor for one cycle time is about half and the recovery time of the metering motor has a margin, so the execution torque is not accumulated in the metering motor, but the motor torque is If it is high and the recovery time is short, the metering motor does not recover every cycle, the execution torque is accumulated in the metering motor, and eventually overload occurs.
  • This weighing load torque is also a reference value determined by the specifications of the molding machine body 10. Therefore, in the case of this example, as shown in the ninth column of FIG.
  • the measured value of the measurement execution torque is 0% (standard Value) or more "is stored in the storage unit 4, and as shown in the same column, when the measured value exceeds the reference value, the monitor unit 6 determines that" the load is applied to the weighing motor " Output a message.
  • the operator can take a method such as extending the cycle time when the molding condition is corrected according to the determination message.
  • Low-pressure mold clamping measures the motor load torque when the mold of the molding machine is opened and closed, and in the unlikely event that a product or foreign object is caught between the molds, the motor load torque is detected to prevent damage to the mold.
  • the molding machine is provided with various functions for ensuring safety and preventing breakage.
  • an operator operates the molding condition setting means 30 as shown in FIG. Can be set.
  • the importance of the low-pressure mold clamping function is high for preventing damage to the mold, so it is necessary to notify the operator if the low-pressure mold clamping function is not set, and to reliably prevent the mold from being damaged. is there. Therefore, in the case of this example, as shown in the 10th column in FIG.
  • the determination message “Low-pressure mold clamping monitoring device is OFF” is output to the monitor unit 6. The operator can turn on the low-pressure mold clamping monitoring device when the molding condition is corrected according to the determination message.
  • the setting of the low-pressure mold clamping mechanism depends on the torque and time. However, when the monitoring setting torque is too large with respect to the actual torque, detection of the torque increase is delayed, Damage to the mold will increase.
  • the low-pressure mold clamping torque is set for such a purpose, but is often reset after the molding state is stabilized, and may not be properly set in the initial stage and may be left as it is. Therefore, when the low-pressure clamping torque set for monitoring is not appropriate during continuous operation, it is necessary to alert the operator to prevent forgetting to reset it. Therefore, in the case of this example, as shown in the eleventh column of FIG.
  • the set value is the measured value of the low-pressure mold clamping torque + 20% as a criterion for determining that the molding condition set value is inappropriate. That is the above (setting value ⁇ measured value + 20%) ”is stored in the storage unit 4 and, as shown in the same column, when the low pressure mold clamping torque is excessive, the monitor unit 6 sets“ low pressure mold clamping torque setting ”. The message “is too large” is output. When the operator corrects the molding conditions in accordance with this determination message, the operator can reset a value about 5 to 10% higher than the measured value as the set value of the low-pressure mold clamping torque.
  • the setting of the low-pressure mold clamping mechanism depends on the torque and time. However, as in the case where the torque is inappropriate, the detection of the torque increase is delayed when the set time is too long. Since the damage to the mold is increased, the operator sets the molding condition setting means 30 as shown in FIG. Therefore, when the setting of the low pressure mold clamping time is not appropriate, it is necessary to call attention to the operator and optimize the setting. Therefore, in the case of this example, as shown in the twelfth column of FIG. 3, “the measured value of the low pressure clamping time is not less than the set value + 2 sec as a criterion for determining that the molding condition set value is inappropriate.
  • the energization rate indicates the energization ratio of the plurality of heating cylinder heaters that are performing the ON / OFF control, and numerical values corresponding to the respective heating cylinder heaters are displayed as illustrated in FIG. In FIG. 14, “hopper 2.8” indicates a water flow rate related to cooling under the hopper.
  • the energization rate shows an extreme value, and when a reference value determined from the specifications of the molding machine body 10 such as 0% or 100% is measured, it is abnormal. Can be determined. Therefore, in the case of this example, as shown in the thirteenth column of FIG. 3, “the measured value of the current ratio is 0% or 100% ( “Reference value)” is stored in the storage unit 4 and, as shown in the same column, when the measured value of the energization rate becomes the reference value, the determination message “the power supply state is abnormal” is sent to the monitor unit 6 Is output. When the operator corrects the molding conditions in accordance with the determination message, the operator can review the temperature setting or change the measurement conditions.
  • the molding condition diagnosis apparatus 1 according to the embodiment can diagnose the suitability of the molding condition setting value set in the molding condition setting means 30, the molding condition diagnosis apparatus 1 according to the embodiment can be used under an inappropriate molding condition setting value. It is possible to prevent the continuous automatic operation from being continued, and it becomes possible to produce a high-quality molded product with high efficiency.
  • the diagnostic items include primary pressure setting, primary injection timer setting, pressure holding speed setting, pressure holding time setting, injection load torque, filling rate, metering process time, suck back setting, metering load.
  • the torque, the low pressure mold clamping, the low pressure mold clamping torque, the low pressure mold clamping time, and the energization rate are listed, the gist of the present invention is not limited to this, and other matters are appropriately diagnosed for the presence or absence of abnormality. be able to.

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  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention porte sur un dispositif de diagnostic d'une condition de moulage qui crée le diagnostic du caractère approprié d'une condition de moulage prédéterminée en utilisant une valeur mesurée qui est détectée pendant une opération automatique continue, et qui peut informer un opérateur d'un tel diagnostic. Selon l'invention, une machine de moulage est équipée d'un dispositif de diagnostic de condition de moulage (1) qui détermine le caractère approprié d'une valeur préétablie d'une condition de moulage et informe l'opérateur de cette détermination. Le dispositif de diagnostic de condition de moulage (1) comprend les éléments suivants : une unité d'entrée (2) qui reçoit la sortie de valeur mesurée d'un moyen de mesure (11) et la valeur préfixée de la condition de moulage qui a été fixée par un moyen de fixation de la condition de moulage (30) ; une unité de comparaison (3) qui compare la valeur mesurée entrée dans l'unité d'entrée (2) à la valeur préfixée de condition de moulage ; une unité de stockage (4) qui stocke les critères de détermination pour déterminer si la valeur préfixée de condition de moulage est inappropriée ; et une unité de détermination (5) qui détermine si les résultats de la comparaison issus de l'unité de comparaison (3) satisfont les critères de détermination stockés dans l'unité de stockage (4). Lorsque l'unité de détermination (5) a déterminé que les résultats de la comparaison issus de l'unité de comparaison (3) satisfont les critères de détermination stockés dans l'unité de stockage (4), l'unité de détermination (5) délivre à une unité de contrôle (6) un affichage de détermination unique qui correspond à la valeur mesurée comparée et à la valeur préfixée de la condition de moulage.
PCT/JP2012/054126 2011-02-23 2012-02-21 Dispositif de diagnostic d'une condition de moulage WO2012115105A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013501071A JP5891217B2 (ja) 2011-02-23 2012-02-21 成形条件診断装置
CN201280010211.2A CN103402732B (zh) 2011-02-23 2012-02-21 成型条件诊断装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011037361 2011-02-23
JP2011-037361 2011-02-23

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WO2014189083A1 (fr) * 2013-05-24 2014-11-27 東洋機械金属株式会社 Dispositif de diagnostic de moulage
WO2015060315A1 (fr) * 2013-10-25 2015-04-30 東洋機械金属株式会社 Dispositif de diagnostic de condition de moulage
WO2018159726A1 (fr) * 2017-02-28 2018-09-07 住友重機械工業株式会社 Dispositif de correction, système de moulage par injection et procédé de correction
JP2018192708A (ja) * 2017-05-18 2018-12-06 Ｕ−Ｍｈｉプラテック株式会社 射出成形機の制御装置、及び、射出成形機
US11020889B2 (en) 2013-09-05 2021-06-01 Husky Injection Molding Systems Ltd. Method and system for generating, processing and displaying an indicator of performance of an injection molding machine

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JP6591260B2 (ja) * 2015-11-11 2019-10-16 住友重機械工業株式会社 射出成形用情報管理装置、および射出成形機
JP6947771B2 (ja) * 2019-03-28 2021-10-13 ファナック株式会社 射出成形システム
CN111941724A (zh) * 2020-07-24 2020-11-17 上海亚虹模具股份有限公司 一种智能马桶便盖优化飞边的注塑工艺

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WO2014189083A1 (fr) * 2013-05-24 2014-11-27 東洋機械金属株式会社 Dispositif de diagnostic de moulage
JP2014226890A (ja) * 2013-05-24 2014-12-08 東洋機械金属株式会社 成形診断装置
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WO2018159726A1 (fr) * 2017-02-28 2018-09-07 住友重機械工業株式会社 Dispositif de correction, système de moulage par injection et procédé de correction
JP2018192708A (ja) * 2017-05-18 2018-12-06 Ｕ−Ｍｈｉプラテック株式会社 射出成形機の制御装置、及び、射出成形機

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