CN109859344A - A kind of intelligent control method and intelligent management system of mold - Google Patents
A kind of intelligent control method and intelligent management system of mold Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 130
- 230000001133 acceleration Effects 0.000 claims abstract description 182
- 238000006073 displacement reaction Methods 0.000 claims abstract description 180
- 238000000465 moulding Methods 0.000 claims abstract description 60
- 238000012544 monitoring process Methods 0.000 claims abstract description 59
- 230000035945 sensitivity Effects 0.000 claims description 29
- 230000015556 catabolic process Effects 0.000 claims description 9
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- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The invention discloses a kind of intelligent control method of mold and intelligent management systems, belong to mold management technical field.The intelligent control method includes: the when m- accelerating curve for obtaining male model, realizes the monitoring to acceleration；According to when m- accelerating curve obtain the when m- rate curve of male model, realize the monitoring to speed；According to when m- rate curve obtain the time-displacement curve of male model, realize the monitoring to displacement；The m- accelerating curve of clock synchronization, when m- rate curve and time-displacement curve be simultaneously zero number counted, realize the monitoring to molding number.Intelligent monitor system carries out real-time dynamic monitoring to mold by above-mentioned intelligent control method.In the actual production process, the acceleration of male model is only related with the motion state of male model itself, is not influenced by surrounding objects, the present invention accurately obtains the molding number of mold according to the accelerated energy of male model.
Description
Technical field
The present invention relates to mold management technical field, in particular to the intelligent control method of a kind of mold and intelligent management system
System.
Background technique
Mold is referred to as the mother of industry, occupies extremely important status in modern industrial production, in household electrical appliances production process
In many components all be unable to do without mold, mold is divided into many types such as plastic mould, stamping die, casting mould.Due to mould
Has the important function having in process of production, so production management personnel is needed at any time, accurately to grasp making for each mold
With information such as number, times.
Existing mould management system mainly realizes that proximity sensor or photoelectric sensor are mounted on conjunction by RFID technique
Mould position, detection molding number, then passes to host computer for signal, host computer is write data on mold by RFID device
RFID chip.Wherein, punching press number is measured using proximity sensor or photoelectric sensor, is easy to be influenced by surrounding objects,
Such as the personnel to walk about, product fallen etc. influence the accuracy of measurement, lead to measurement inaccuracy.
Summary of the invention
The embodiment of the invention provides a kind of intelligent control method of mold and intelligent management systems.For the reality to disclosure
The some aspects for applying example have a basic understanding, and simple summary is shown below.The summarized section is not extensive overview,
It is not intended to identify key/critical component or describes the protection scope of these embodiments.Its sole purpose is with simple shape
Some concepts are presented in formula, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, the intelligent control method provided a mold, comprising:
Obtain the when m- acceleration sequence of male model；
M- acceleration sequence is when being fitted described to obtain the when m- accelerating curve of the male model；
According to it is described when m- accelerating curve obtain the when m- rate curve of the male model；
According to it is described when m- rate curve obtain the time-displacement curve of the male model；
To it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed and it is described when it is m-
Displacement in displacement curve is counted in the number that same time three is simultaneously zero, realizes the monitoring to molding number.
In the actual production process, the acceleration of male model is only related with the motion state of male model itself, not by surrounding objects
Influence, so accurately obtaining the molding number of mold according to the accelerated energy of male model.
In a kind of optional embodiment, the acceleration, the speed and the displacement are simultaneously in same time three
Zero, specifically:
It is the first correct time at the time of with acceleration being zero when described in m- accelerating curve；Again with first it is accurate when
Between centered on, period within the first error time is first time period；
When described in m- rate curve, the second correct time at the time of with speed being zero；In being with the second correct time again
The heart, the period within the second error time are second time period；
In the time-displacement curve, using displacement be zero at the time of as third correct time；It is with third correct time again
Center, the period within third error time are the third period；
The first time period, the second time period and third period three intersection, i.e., the described acceleration, institute
Speed and the displacement are stated in same time three while being zero.
In a kind of optional embodiment, the acceleration is zero in the first error time and mold clamping cycle T
Frequency n 1 is related, the first error time are as follows: (T × a1)/n1；Wherein, a1 is setting sensitivity coefficient；
Second error time is related to the frequency n 2 that the speed in mold clamping cycle T is zero, and described second misses
The poor time are as follows: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient；
The third error time is related to the frequency n 3 that displacement described in mold clamping cycle T is zero, and the third is missed
The poor time are as follows: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient.
In a kind of optional embodiment, the when m- acceleration sequence for obtaining the male model, specifically: periodically adopt
Acceleration described in sample, sampling period are the half or smaller in mold clamping period.
In a kind of optional embodiment, m- rate curve obtains the time-displacement curve of the male model when according to described
Later, further includes:
To it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed and it is described when it is m-
Displacement in displacement curve is monitored；By the monitoring to the acceleration or the speed or the displacement, institute is judged
Whether the motion process for stating male model breaks down.
In a kind of optional embodiment, pass through the monitoring to the acceleration or the speed or the displacement, judgement
Whether the motion process of the male model breaks down, specifically:
Whether broken down by the monitoring to the acceleration with the motion process for judging the male model, comprising: obtain
The when m- accelerating curve in one and a plurality of mold clamping period, takes each time point in mold clamping period one corresponding
The average value of acceleration or multiple acceleration, acquisition time-average acceleration curve；If in the mold clamping period when it is m- plus
Rate curve is different from the time-average accelerating curve, then judges that the motion process of the male model breaks down；
Or, whether being broken down by the monitoring to the speed with the motion process for judging the male model, comprising: obtain
The when m- rate curve in one and a plurality of mold clamping period, takes the corresponding speed of each time point in mold clamping period
The average value of degree or multiple speed, acquisition time-average speed curve；If in the mold clamping period when m- rate curve with
The time-average rate curve is different, then judges that the motion process of the male model breaks down；
Or, whether being broken down by the monitoring to the displacement with the motion process for judging the male model, comprising: obtain
The time-displacement curve in one and a plurality of mold clamping period, takes the corresponding position of each time point in mold clamping period
The average value of shifting or multiple displacements, acquisition time-mean displacement curve；If time-displacement curve in the mold clamping period with
The time-average displacement curve is different, then judges that the motion process of the male model breaks down.
In a kind of optional embodiment, the monitoring by the acceleration or the speed or the displacement,
Judge whether the motion process of the male model breaks down, further includes:
The acceleration, the speed and the displacement in the cross monitoring mold clamping period are combined, described in judgement
Whether the motion process of male model breaks down；
It is specifically divided into following three kinds of situations: 1) combining the acceleration and the speed in the cross monitoring mold clamping period
Degree judges whether the motion process of the male model breaks down；2) acceleration in the cross monitoring mold clamping period is combined
Judge whether the motion process of the male model breaks down with the displacement；3) institute in the cross monitoring mold clamping period is combined
It states speed and the displacement judges whether the motion process of the male model breaks down.
The acceleration, the speed in a kind of optional embodiment, in the combination cross monitoring mold clamping period
Degree and the displacement, to judge whether the motion process of the male model breaks down, further includes:
If the acceleration or speed of the male model or displacement and average acceleration or average speed or average displacement are not
Together, then after speculating the pre-set buffer time according to the acceleration change trend of male model or velocity variations trend or change in displacement trend
The Future movement process of male model, judges whether the Future movement process of male model breaks down, specifically, judging the male model not
Come acceleration or the following speed or the following displacement and the following average acceleration or the following average speed or the following average displacement
It is whether identical；If they are the same, then determine that the motion process of the male model is without failure；Otherwise determine the motion process of the male model
It breaks down.
According to a second aspect of the embodiments of the present invention, a kind of intelligent management system of mold is provided, comprising:
Acceleration obtains module, for obtaining the when m- acceleration sequence of male model；
Central computing module, m- acceleration sequence is when for being fitted described with acquisition time-accelerating curve, realization pair
The monitoring of acceleration；According to it is described when m- accelerating curve obtain the when m- rate curve of the male model；According to it is described when it is m-
Rate curve obtains the time-displacement curve of the male model；To it is described when m- accelerating curve in acceleration, it is described when it is m-
The displacement in speed and the time-displacement curve in rate curve is counted in the number that same time three is simultaneously zero
Number realizes the monitoring to molding number.
In a kind of optional embodiment, the center computing module includes:
Zero point judging unit, for obtaining first time period, specifically: when described in m- accelerating curve, added with described
It is the first correct time at the time of speed is zero；Period again centered on the first correct time, within the first error time
For the first time period；
For obtaining second time period, specifically: when described in m- rate curve, at the time of with the speed being zero
Two correct times；Again centered on the second correct time, the period within the second error time is the second time period；
For obtaining the third period, specifically: in the time-displacement curve, with it is described displacement be zero at the time of be
Third correct time；Again centered on third correct time, the period within third error time is the third period；
If the first time period, the second time period and third period three intersection, the zero point are sentenced
Disconnected unit judges are the acceleration, the speed and the displacement in same time three while being zero.
In a kind of optional embodiment, the zero point judging unit is also used to calculate the first error time: (T ×
a1)/n1；Wherein, a1 is setting sensitivity coefficient；
For calculating second error time: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient；
For calculating the third error time: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient.
In a kind of optional embodiment, the acceleration obtains the when m- acceleration sequence that module obtains male model, specifically
Are as follows: the acceleration obtains acceleration described in module periodic samples, and the sampling period is the half or more in mold clamping period
It is small.
In a kind of optional embodiment, further includes:
Breakdown judge module, for it is described when m- accelerating curve in acceleration, it is described when m- rate curve in
Speed and the time-displacement curve in displacement be monitored；By to the acceleration or the speed or described
The monitoring of displacement, judges whether the motion process of the male model breaks down.
In a kind of optional embodiment, the breakdown judge module passes through to the acceleration or the speed or described
The monitoring of displacement, judges whether the motion process of the male model breaks down, specifically:
Whether broken down by the monitoring to the acceleration with the motion process for judging male model, comprising: obtain one
And the when m- accelerating curve in a plurality of mold clamping period, take the corresponding acceleration of each time point in mold clamping period
The average value of degree or multiple acceleration, acquisition time-average acceleration curve；If the when m- acceleration in the mold clamping period
Curve is different from the time-average accelerating curve, then judges that the motion process of the male model breaks down；
Or, whether being broken down by the monitoring to the speed with the motion process for judging male model, comprising: obtain one
Or the when m- rate curve in a plurality of mold clamping period, take the corresponding speed of each time point in mold clamping period or
The average value of multiple speed, acquisition time-average speed curve；If in the mold clamping period when m- rate curve with it is described
Time-average rate curve is different, then judges that the motion process of the male model breaks down；
Or, whether being broken down by the monitoring to the displacement with the motion process for judging male model, comprising: obtain one
And the time-displacement curve in a plurality of mold clamping period, take each time point in mold clamping period it is corresponding one displacement or
The average value of multiple displacements, acquisition time-mean displacement curve；If time-displacement curve in the mold clamping period with it is described
Time-average displacement curve is different, then judges that the motion process of the male model breaks down.
In a kind of optional embodiment, the breakdown judge module was also used to combine in the cross monitoring mold clamping period
The acceleration, the speed and the displacement, to judge whether the motion process of the male model breaks down；
It is specifically divided into following three kinds of situations: 1) combining the acceleration and the speed in the cross monitoring mold clamping period
Degree judges whether the motion process of the male model breaks down；2) acceleration in the cross monitoring mold clamping period is combined
Judge whether the motion process of the male model breaks down with the displacement；3) institute in the cross monitoring mold clamping period is combined
It states speed and the displacement judges whether the motion process of the male model breaks down.
In a kind of optional embodiment, the breakdown judge module, for combining in the cross monitoring mold clamping period
The acceleration, the speed and the displacement, to judge whether the motion process of the male model breaks down, further includes:
If the acceleration or speed of the male model or displacement and average acceleration or average speed or average displacement are not
Together, then after speculating the pre-set buffer time according to the acceleration change trend of male model or velocity variations trend or change in displacement trend
The Future movement process of male model, judges whether the Future movement process of male model breaks down, specifically, judging the male model not
Come acceleration or the following speed or the following displacement and the following average acceleration or the following average speed or the following average displacement
It is whether identical；If they are the same, then determine that the motion process of the male model is without failure；Otherwise determine the motion process of the male model
It breaks down.
In the actual production process, the acceleration of male model is only related with the motion state of male model itself, not by surrounding objects
Influence.In the present embodiment, the molding number of mold is accurately obtained according to the accelerated energy of male model.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow diagram of the intelligent control method of mold shown according to an exemplary embodiment；
Fig. 2 m- accelerating curve when being ideally male model shown according to an exemplary embodiment, when m- speed
It writes music line and time-displacement curve schematic diagram；
Fig. 3 m- accelerating curve when being male model under non-ideality shown according to an exemplary embodiment, when it is m-
Rate curve and time-displacement curve schematic diagram；
Description of drawing identification: t1, the first correct time；△ t1, first error time；Ts1, first time period；T2, second
Correct time；△ t2, the second error time；Ts2, second time period；T3, third correct time；△ t3, third error time；
Ts3, third period.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and
And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims
There is obtainable equivalent.Herein, each embodiment can individually or generally be indicated that this is only with term " invention "
It is merely for convenience, and if in fact disclosing the invention more than one, it is not meant to automatically limit the range of the application
For any single invention or inventive concept.Herein, relational terms such as first and second and the like are used only for one
Entity, which is perhaps operated, to be distinguished and exists without requiring or implying between these entities or operation with another entity or operation
Any actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method or equipment not only include those elements, but also including
Other elements that are not explicitly listed.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For structure, product etc. disclosed in example, since it is corresponding with part disclosed in embodiment, so being described relatively simple, phase
Place is closed referring to method part illustration.
According to a first aspect of the embodiments of the present invention, a kind of intelligent control method of mold is provided, as shown in Figure 1, comprising:
S101, the when m- acceleration sequence for obtaining male model；
S102, fit time-acceleration degree series are with acquisition time-accelerating curve；
S103, according to when m- accelerating curve obtain the when m- rate curve of male model；
S104, according to when m- rate curve obtain the time-displacement curve of male model；
Acceleration in the m- accelerating curve of S105, clock synchronization, when m- rate curve in speed and time-displacement curve
In displacement same time three simultaneously be zero number count, realize to molding number monitoring.
In the actual production process, the acceleration of male model is only related with the motion state of male model itself, not by surrounding objects
Influence, so accurately obtaining the molding number of mold according to the accelerated energy of male model.Integral of the acceleration to the time
The variable quantity of the speed in integration time period is obtained, while the molding period starts, starts simultaneously at acceleration to the product of time
Point, speed can be obtained and change with time relationship；The integral of velocity versus time can be obtained in integration time period intrinsic displacement
Converted quantity starts simultaneously at the integral of velocity versus time, displacement can be obtained and change with time while the molding period starts
Relationship.
When monitoring molds number, need acceleration in the m- accelerating curve of clock synchronization, when m- rate curve in speed
Displacement in degree and time-displacement curve is counted in the number that same time three is simultaneously zero, and when m- acceleration it is bent
When acceleration in line is zero or when m- rate curve in speed when being zero or in time-displacement curve displacement component is
When zero, only time point, although theoretically three can be simultaneously zero in the same time, in practical applications, due to
The error that mechanical structure, machine driving generate, the acceleration of measurement can fluctuate, and three is caused seldom in the same time while to be
Zero.
Therefore in an alternative embodiment, acceleration, speed and displacement are simultaneously zero in same time three, such as Fig. 2
With shown in Fig. 3, specifically:
When m- accelerating curve in, be the first correct time t1 at the time of with acceleration being zero；Again with first it is accurate when
Between centered on t1, the period within first error time △ t1 is first time period ts1；It is to add with first time period ts1
The period that speed is zero；
When m- rate curve in, the second correct time t2 at the time of with speed being zero；It is with the second correct time t2 again
Center, the period within the second error time △ t2 are second time period ts2；It is zero by speed of second time period ts2
Period；
In time-displacement curve, using displacement be zero at the time of as third correct time t3；Again with third correct time t3
Centered on, the period within third error time △ t3 is third time period t s3；It is that displacement is with third time period t s3
Zero period；
First time period ts1, second time period ts2 and third time period t s3 three intersection, i.e. acceleration, speed and position
Moving in same time three is simultaneously zero, as shown in figure 3, first time period ts1, second time period ts2 and third time period t s3
Three's intersection, intersection tu, within the tu period, identification acceleration, speed and displacement are simultaneously in same time three
Zero.
In view of after actual conditions, acceleration when can just detect through this embodiment in m- accelerating curve, when
The period that the displacement in speed and time-displacement curve in m- rate curve is simultaneously zero in same time three, ability
Molding number is normally counted.As shown in figure 3, when the first correct time t1, the second correct time t2 and accurate third
Between t3 not in point at the same time,
Acceleration when above-mentioned in m- accelerating curve, when m- rate curve in speed and time-displacement curve in
Displacement same time three simultaneously be zero period, for gathering angle, using first time period as first set, with
Second time period is the second combination, combines by third of the third period, then first set, second set and third set
Intersection, as when m- accelerating curve in acceleration, when m- rate curve in speed and time-displacement curve in position
Move the period for being simultaneously zero in same time three.
If first set or second set or third set are too small, then three, which exists, reduces the probability of intersection, meaning
Taste statistics molding number when can miss a part, that is, to mold number few than practical for the molding number obtained；If the first collection
Conjunction or second set or third set are excessive, increase the probability of intersection then three exists, it is meant that statistics molding number
When count a part more, that is, the molding number that obtains is often than practical molding, in short, which kind of above situation is all can not
It takes.
In order to accurately obtain the capacity of first set or second set or third set, in order to accurately obtain
One period, second time period and third period size, in a kind of optional embodiment, first error time and mold are closed
The frequency n 1 that m- accelerating curve is zero when in mould cycle T is related, the first error time: (T × a1)/n1；Wherein, a1 is to set
Determine sensitivity coefficient, a1 is smaller, and the first error time is smaller；
The frequency n 2 that m- rate curve is zero when second error time is in mold clamping cycle T is related, when the second error
Between are as follows: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient, and a2 is smaller, and the second error time is smaller；
Third error time is related to the frequency n 3 that time-displacement curve in mold clamping cycle T is zero, when third error
Between are as follows: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient, and a3 is smaller, and third error time is smaller.
Using Fig. 2 or Fig. 3 as the mold clamping period, then when m- accelerating curve be zero frequency n 1=4；When m- speed it is bent
The frequency n 2=2 that line is zero；The frequency n 3=1 that time-displacement curve is zero.
It is worth noting that the frequency n 1 that m- accelerating curve is zero when in above-mentioned mold clamping cycle T, in mold
When secondary mould closing, the frequency n 1 that time accelerating curve is zero in first mold cycle T is referred to；When third time molds,
Refer to the average time n1 that time accelerating curve is zero in first and second mold cycle T；In n-th molding,
Refer to the average time n1 that time accelerating curve is zero in several nearest mold cycle T before N, several is 10,
It can be 20, number is determined according to the processing capacity of central computing module.The calculating of central computing module can be stronger, makes even
Equal periodicity is more.Frequency n 2 or the mold clamping week that m- rate curve is zero when similarly, in above-mentioned mold clamping cycle T
M- accelerating curve when the concrete operations mode for the frequency n 3 that time-displacement curve is zero in phase T is in mold clamping cycle T
The mode of operation for the frequency n 1 for being zero.
A1 is setting sensitivity coefficient, and a1 is smaller, and the first error time is smaller, and system sensitivity is poorer, is less susceptible to adopt
Collect molding number, collected molding number is fewer；A1 is bigger, and the first error time is bigger, and system sensitivity is stronger, more holds
Molding number easily is collected, collected molding number is more.
A2 is setting sensitivity coefficient, and a2 is smaller, and the second error time is smaller, and system sensitivity is poorer, is less susceptible to adopt
Collect molding number, collected molding number is fewer；A2 is bigger, and the second error time is bigger, and system sensitivity is stronger, more holds
Molding number easily is collected, collected molding number is more.
A3 is setting sensitivity coefficient, and a3 is smaller, and third error time is smaller, and system sensitivity is poorer, is less susceptible to adopt
Collect molding number, collected molding number is fewer；A3 is bigger, and third error time is bigger, and system sensitivity is stronger, more holds
Molding number easily is collected, collected molding number is more.
So if the molding number that discovery system acquisition arrives is molded than reality, number is few, and the molding number of statistics is few, needs
Suitably tune up sensitivity coefficient (a1, a2 or a3)；If being molded often it was found that the molding number that system acquisition arrives compares reality, statistics
Molding often, needs suitably to turn down sensitivity coefficient (a1, a2 or a3).
Preferably, the value range of a1 is 1/5~1/4；The value range of a2 is 1/10~1/8；The value range of a3 is
1/20~1/16.
In a kind of optional embodiment, the when m- acceleration sequence of male model is obtained, specifically: periodic samples acceleration,
Its sampling period is the half or smaller in mold clamping period.
The above-mentioned mold clamping period refers to that front mold molds the period, if acquiring the acceleration in second molding period
Degree, then the front mold molding period refers to first molding period；If acquiring the acceleration in third molding period, front mold molding
Period refers to the average period in first and second molding period；If acquiring the acceleration in n-th molding period, front mold is closed
The mould period refers to N-1, N-2 ... the N-m average periods for molding the period.M is the integer less than N, and m value and center are counted
The computing capability for calculating module is related, and the computing capability of central computing module is stronger, and m value can be chosen bigger.Under normal circumstances, m takes 5
Or 10.
In the present embodiment, the sampling period is the half or smaller in mold clamping period, that is, refers to that sample frequency is mold clamping
Flat rate it is 2 times or more large, to guarantee that the when m- acceleration sequence of male model can accurately restore the motion conditions of male model.
Mold is in normal work, and the component of processing is constant, and processing technology is constant, the variation of the movement in each period
Be it is little, i.e., the acceleration of mold, speed, displacement are constant in each period；If this tittle changes, illustrate mould
It is generated in the course of work of tool abnormal.
In an alternative embodiment, according to when m- rate curve obtain the time-displacement curve of male model after,
Further include:
Acceleration in the m- accelerating curve of clock synchronization, when m- rate curve in speed and time-displacement curve in
Displacement is monitored；By the monitoring to acceleration or speed or displacement, judge whether the motion process of male model breaks down.
In the present embodiment, mold is moved from acceleration, speed, stroke, molding four dynamic parameters of number respectively
State monitoring, can more accurately obtain the real work situation and fault condition of actual mould, production management personnel can be accordingly to just
Dynamic management in real time is carried out in the mold of work.
Wherein, by the monitoring to acceleration or speed or displacement, judge whether the motion process of male model breaks down,
Specifically:
Whether broken down by the monitoring to acceleration with the motion process for judging male model, obtains one and a plurality of preceding mould
The when m- accelerating curve in tool molding period, takes the corresponding acceleration or multiple of each time point in mold clamping period
The average value of acceleration, acquisition time-average acceleration curve；If in the mold clamping period when m- accelerating curve and when
M- average acceleration curve is different, then judges that the motion process of male model breaks down；
Or, whether being broken down by the monitoring to speed with the motion process for judging male model, comprising: obtain one and more
The when m- rate curve in front mold molding period, takes the corresponding speed or more of each time point in mold clamping period
The average value of a speed, acquisition time-average speed curve；If in the mold clamping period when m- rate curve with when it is m- flat
Equal rate curve is different, then judges that the motion process of male model breaks down；
Or, whether being broken down by the monitoring to displacement with the motion process for judging male model, comprising: obtain one and more
The time-displacement curve in front mold molding period takes the corresponding displacement or more of each time point in mold clamping period
The average value of a displacement, acquisition time-mean displacement curve；If time-displacement curve in the mold clamping period with when it is m- flat
Equal displacement curve is different, then judges that the motion process of male model breaks down.
Whether the motion process that above-described embodiment can judge automatically mold breaks down, and auxiliary user moves mold
State management.If the motion process of mold breaks down, user is reminded, even if handling failure, to guarantee that mold works normally, dimension
Hold the scheduled service life of mold.
Wherein, to the when m- accelerating curve in the monitoring of acceleration, obtaining a plurality of mold clamping period, specifically:
Mold is just started to work, and in first mold clamping period, is only recorded to the acceleration in molding period, when formation it is m- plus
Velocity series, without obtaining the when m- accelerating curve in front mold molding period, that is to say, that in first molding period,
Can not judge whether the operational process of male model is problematic by acceleration；In second mold clamping period, first is obtained
The when m- accelerating curve in mold clamping period compares the when m- accelerating curve and first in second mold clamping period
Whether the when m- accelerating curve in a molding period is identical, if it is different, then indicating in first mold clamping period or second
In a mold clamping period, the motion process of male model breaks down；In the third mold clamping period, first and second is obtained
The when m- accelerating curve in a mold clamping period, takes corresponding two acceleration of each time point in mold clamping period
Average value, acquisition time-average acceleration curve, if the third mold clamping period when m- accelerating curve with when it is m- flat
Equal accelerating curve is different, then judges in the third mold clamping period, and the motion process of male model breaks down；In n-th
In the mold clamping period, the when m- accelerating curve in N-1, N-2, the N-m mold clamping periods, modulus are obtained
The average value of the corresponding m acceleration of each time point in tool molding period, acquisition time-average acceleration curve, if n-th
When m- accelerating curve in the mold clamping period is different from time-average accelerating curve, then judges the motion process of male model
It breaks down.Under normal circumstances, after changing new die, administrative staff can observe new die and work several mold clamping periods,
Further out then being monitored automatically by system after all going well.In actual production, several mold clamping weeks before being monitored automatically without system
The working condition of phase.
Obtain a plurality of mold clamping period when m- rate curve or obtain the when m- displacement in a plurality of mold clamping period
Curve is similar with the when situation of m- accelerating curve in a plurality of mold clamping period is obtained, and no longer illustrates one by one here.
When m- accelerating curve in the above-mentioned mold clamping period is different from time-average accelerating curve, judgement side
Method are as follows: calculate in the mold clamping period when m- accelerating curve and time-average accelerating curve standard deviation, judge this
Whether standard deviation is less than setting acceleration standard deviation threshold method；If so, in the mold clamping period when m- accelerating curve and when
M- average acceleration curve identical；Otherwise the when m- accelerating curve in the mold clamping period is write music with time-average acceleration
Line is different.
Similarly, the when m- rate curve in the mold clamping period is different from time-average rate curve, judgment method
Are as follows: calculate in the mold clamping period when m- rate curve and time-average rate curve standard deviation, judge the standard deviation
Whether setting speed standard deviation threshold method is less than；If so, the when m- rate curve and time-average speed in the mold clamping period
Spend curve identical；Otherwise the when m- rate curve in the mold clamping period is different from time-average rate curve.
Time-displacement curve in the mold clamping period is different from time-average displacement curve, judgment method are as follows: meter
The standard deviation for calculating the time-displacement curve and time-average displacement curve in the mold clamping period, judges whether the standard deviation is small
In setting shift standards difference threshold value；If so, time-displacement curve and time-average displacement curve in the mold clamping period
It is identical；Otherwise the time-displacement curve in the mold clamping period is different from time-average displacement curve.
The above judgment method be the standard deviation of m- accelerating curve and time-average accelerating curve when passing through calculating, when
Standard deviation, the standard of time-displacement curve and time-average displacement curve of m- rate curve and time-average rate curve
Difference judges the whether similar of corresponding two curves.
Optionally, can also judge whether corresponding two curves are similar by variance:
Calculate in the mold clamping period when m- accelerating curve and time-average accelerating curve variance and with set
Determine acceleration variance level threshold value to be compared, to judge the when m- accelerating curve and time-average in the mold clamping period
Whether accelerating curve is identical；
Calculate in the mold clamping period when m- rate curve and the time it is average-variance of rate curve and with setting speed
Degree variance criterion threshold value is compared, to judge the when m- rate curve and time-average rate curve in the mold clamping period
It is whether identical；
Calculate the mold clamping period in time-displacement curve and time-average displacement curve variance and with setting position
It moves variance criterion threshold value to be compared, to judge the time-displacement curve in the mold clamping period and time-average displacement curve
It is whether identical.
One mold clamping period includes clamping process and die sinking process, a kind of mold clamping week applied to plastic industry
Phase are as follows: using the position where male model before molding as origin, in clamping process, male model first accelerates rapidly, travels at the uniform speed later, until
When close to master mold, slowly slow down, until stopping, molding is completed；Mode locking for a period of time, completes formed product process；Die sinking process
In, male model first leaves master mold a distance, which can guarantee that product smoothly completes knockout course on male model, later male model
Origin is returned with certain speed.
In clamping process, the acceleration and speed of male model need strict control, different for different products
Mold model, formulate different acceleration and speed scheme causes speed excessive or mistake if acceleration is excessive or too small
It is small, it is difficult to accurately control male model with the speed of safety close to master mold；If acceleration or speed are excessive, be easy to make male model and master mold it
Between generate collision, mold damage；If acceleration or speed are too small, extend the mold clamping period, reduces production efficiency.At this point, prison
Control acceleration or speed, no matter acceleration is excessive or too small, and the motion process for regarding as mold breaks down, remind user into
The corresponding adjustment of row.To ensure that the safety of mold, and improve production efficiency.
The time-average accelerating curve in a plurality of mold clamping period, time-average rate curve, time-average displacement
Curve is data of the male model for optimal movement state, with the time-average accelerating curve in a plurality of mold clamping period, when
M- average speed curve, time-average displacement curve be can more accurately judge referring to data male model motion process whether
There are failures；This process belongs to the motion state that system first learns optimal male model, further according to the optimal male model learnt
Motion state judge whether the motion state of current male model belongs to optimal movement state, it is more intelligent, be not necessarily to established standards number
According to improving the usage experience of user.
In a kind of optional embodiment, by the monitoring to acceleration or speed or displacement, being moved through for male model is judged
Whether journey breaks down, further includes:
Acceleration, speed and the displacement in the cross monitoring mold clamping period are combined, to judge that the motion process of male model is
No failure.
It is specifically divided into following three kinds of situations: 1) combining the acceleration and velocity estimated public affairs in the cross monitoring mold clamping period
Whether the motion process of mould breaks down；2) acceleration and displacement combined in the cross monitoring mold clamping period judges male model
Whether motion process breaks down；3) speed and displacement combined in the cross monitoring mold clamping period judges being moved through for male model
Whether journey breaks down.
Situation 1) is planted for the, such as at a time, the speed of male model has been more than average value, and acceleration is not also
It is negative, then it is determined as that the motion process of male model breaks down；Situation 2) is planted for the, such as the displacement of male model is up to maximum
Value, i.e., male model will be molded with master mold, and master mold is directed toward by male model in the direction of acceleration, in this way molding be certain to generation male model and
The collision of master mold determines that the state breaks down for the motion process of male model, needs to alarm；For 3) in situation, such as certain
The displacement of one moment male model is up to maximum value, i.e. male model will be molded with master mold, and mother is directed toward by male model in the direction of speed
Mould, in this way molding are certain to that the collision of male model and master mold occurs, and determine that the state breaks down for the motion process of male model, need
Alarm.
In the present embodiment, the real time kinematics process of male model is monitored, once the motion process of male model breaks down, is stood
It alarms, timeliness is strong.
In a kind of optional embodiment, acceleration, speed and the displacement in the cross monitoring mold clamping period are combined, to sentence
Whether the motion process of disconnected male model breaks down, further includes:
If the acceleration or speed of male model or displacement are different from average acceleration or average speed or average displacement,
According to male model after acceleration change trend or velocity variations trend or change in displacement trend the supposition pre-set buffer time of male model
Future movement process, judge whether the Future movement process of male model breaks down, specifically: judge the Future movement mistake of male model
The following acceleration or the following speed or the following displacement and the following average acceleration or the following average speed or future in journey
Whether average displacement is identical；If they are the same, then determine that the motion process of male model is without failure；Otherwise determine the motion process of male model
It breaks down.
It is specifically divided into following three kinds of situations: if 1) acceleration of male model or speed and average acceleration or average speed are not
Together, then the Future movement of male model after the pre-set buffer time is speculated according to the acceleration change trend of male model or velocity variations trend
Process judges the following acceleration of male model or the following speed and the following average acceleration or following average during Future movement
Whether speed is identical；If they are the same, then determine that the motion process of male model is without failure；Otherwise determine that the motion process of male model occurs
Failure；If 2) acceleration of male model or displacement are different from average acceleration or average displacement, become according to the acceleration of male model
Change trend or change in displacement trend speculate the Future movement process of male model after the pre-set buffer time, during judging Future movement
Whether the following acceleration of male model or the following displacement and the following average acceleration or the following average displacement are identical；If they are the same, then
Determine that the motion process of male model is without failure；Otherwise determine that the motion process of male model breaks down；If 3) speed of male model or
Displacement is different from average speed or average displacement, then speculates according to the velocity variations trend of male model or change in displacement trend default
The Future movement process of male model after buffer time, judge during Future movement the following speed of male model or the following displacement with not
Carry out average speed or whether the following average displacement is identical；If they are the same, then determine that the motion process of male model is without failure；Otherwise
Determine that the motion process of male model breaks down.
Situation 1) is planted for the, such as at a time, acceleration has been more than average acceleration, acceleration is just with a constant speed
Rate reduces, but speed is less than average speed, the following acceleration and the following speed after the pre-set buffer time is calculated according to this trend,
Judge whether the following acceleration or the following speed and the following average acceleration or the following average speed are identical, if so, by the public affairs
The motion process of mould, which is considered as, not to break down；Otherwise, the motion process of the male model is considered as and is broken down.Optionally, can with it is pre-
If buffer time may be configured as 1.5s or 2s.Clamping process or die sinking process duration are shorter, so the pre-set buffer time
It also can not be too long.2) plant situation and for the and 3) plant situation, copy the 1) in situation operated.
According to a second aspect of the embodiments of the present invention, a kind of intelligent management system of mold is provided, comprising:
Acceleration obtains module, for obtaining the when m- acceleration sequence of male model；
Central computing module is realized for fit time-acceleration degree series with acquisition time-accelerating curve to acceleration
The monitoring of degree；According to when m- accelerating curve obtain the when m- rate curve of male model；According to when m- rate curve obtain male model
Time-displacement curve；Acceleration in the m- accelerating curve of clock synchronization, when m- rate curve in speed and when m- displacement
Displacement in curve is counted in the number that same time three is simultaneously zero, realizes the monitoring to molding number.
In a kind of optional embodiment, central computing module includes:
Zero point judging unit, for obtaining first time period, specifically: when m- accelerating curve in, be with acceleration
It is the first correct time at the time of zero；Again centered on the first correct time, the period within the first error time is first
Period；
For obtaining second time period, specifically: when m- rate curve in, second is accurate at the time of with speed being zero
Time；Again centered on the second correct time, the period within the second error time is second time period；
For obtaining the third period, specifically: in time-displacement curve, using displacement be zero at the time of as third standard
The true time；Again centered on third correct time, the period within third error time is the third period；
If first time period, second time period and third period three intersection, zero point judging unit are judged as acceleration
Degree, speed and displacement are simultaneously zero in same time three.
In a kind of optional embodiment, zero point judging unit is also used to calculate the first error time: (T × a1)/n1；Its
In, a1 is setting sensitivity coefficient；
For calculating the second error time: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient；
For calculating third error time: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient.
In a kind of optional embodiment, acceleration obtains the when m- acceleration sequence that module obtains male model, specifically: add
Speed acquiring module periodic samples acceleration, sampling period are the half or smaller in mold clamping period.
In a kind of optional embodiment, further includes:
Breakdown judge module, in the m- accelerating curve of clock synchronization acceleration, when m- rate curve in speed and
Displacement in time-displacement curve is monitored；By the monitoring to acceleration or speed or displacement, the movement of male model is judged
Whether process breaks down.
In a kind of optional embodiment, breakdown judge module passes through the monitoring to acceleration or speed or displacement, judgement
Whether the motion process of male model breaks down, specifically:
Whether broken down by the monitoring to acceleration with the motion process for judging male model, comprising: obtain one and more
The when m- accelerating curve in mold clamping period, take the corresponding acceleration of each time point in mold clamping period or
The average value of multiple acceleration, acquisition time-average acceleration curve；If the when m- accelerating curve in the mold clamping period
It is different from time-average accelerating curve, then judge that the motion process of male model breaks down；
Or, whether being broken down by the monitoring to speed with the motion process for judging male model, comprising: obtain one or more
The when m- rate curve in mold clamping period, takes the corresponding speed or multiple of each time point in mold clamping period
The average value of speed, acquisition time-average speed curve；If the when m- rate curve and time-average in the mold clamping period
Rate curve is different, then judges that the motion process of male model breaks down；
Or, whether being broken down by the monitoring to displacement with the motion process for judging male model, comprising: obtain one and more
The time-displacement curve in mold clamping period takes the corresponding displacement or multiple of each time point in mold clamping period
The average value of displacement, acquisition time-mean displacement curve；If time-displacement curve and time-average in the mold clamping period
Displacement curve is different, then judges that the motion process of male model breaks down.
In a kind of optional embodiment, breakdown judge module, be also used to combine it is in the cross monitoring mold clamping period plus
Speed, speed and displacement, to judge whether the motion process of male model breaks down；
It is specifically divided into following three kinds of situations: 1) combining the acceleration and velocity estimated public affairs in the cross monitoring mold clamping period
Whether the motion process of mould breaks down；2) acceleration and displacement combined in the cross monitoring mold clamping period judges male model
Whether motion process breaks down；3) speed and displacement combined in the cross monitoring mold clamping period judges being moved through for male model
Whether journey breaks down.
In a kind of optional embodiment, breakdown judge module, for combining the acceleration in the cross monitoring mold clamping period
Degree, speed and displacement, to judge whether the motion process of male model breaks down, further includes:
If the acceleration or speed of male model or displacement are different from average acceleration or average speed or average displacement,
According to male model after acceleration change trend or velocity variations trend or change in displacement trend the supposition pre-set buffer time of male model
Future movement process, judge whether the Future movement process of male model breaks down, specifically, judging that the following of male model accelerates
Degree or the following speed or the following displacement and the following average acceleration or the following average speed or future average displacement whether phase
Together；If they are the same, then determine that the motion process of male model is without failure；Otherwise determine that the motion process of male model breaks down.
In the actual production process, the acceleration of male model is only related with the motion state of male model itself, not by surrounding objects
Influence.In the present embodiment, the molding number of mold is accurately obtained according to the accelerated energy of male model.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (10)
1. a kind of intelligent control method of mold characterized by comprising
Obtain the when m- acceleration sequence of male model；
M- acceleration sequence is when being fitted described to obtain the when m- accelerating curve of the male model；
According to it is described when m- accelerating curve obtain the when m- rate curve of the male model；
According to it is described when m- rate curve obtain the time-displacement curve of the male model；
To it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed and it is described when m- displacement
Displacement in curve is counted in the number that same time three is simultaneously zero, realizes the monitoring to molding number.
2. intelligent control method according to claim 1, which is characterized in that the acceleration, the speed and institute's rheme
Moving in same time three is simultaneously zero, specifically:
It is the first correct time at the time of with acceleration being zero when described in m- accelerating curve；It is with the first correct time again
Center, the period within the first error time are first time period；
When described in m- rate curve, the second correct time at the time of with speed being zero；Again centered on the second correct time,
Period within second error time is second time period；
In the time-displacement curve, using displacement be zero at the time of as third correct time；In being with third correct time again
The heart, the period within third error time are the third period；
The first time period, the second time period and third period three intersection, i.e., the described acceleration, the speed
Degree and the displacement in same time three while being zero.
3. intelligent control method according to claim 2, which is characterized in that the first error time and mold clamping week
The frequency n 1 that the acceleration is zero in phase T is related, the first error time are as follows: (T × a1)/n1；Wherein, a1 is setting spirit
Sensitivity coefficient；
Second error time is related to the frequency n 2 that the speed in mold clamping cycle T is zero, when second error
Between are as follows: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient；
The third error time is related to the frequency n 3 that displacement described in mold clamping cycle T is zero, when the third error
Between are as follows: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient.
4. intelligent control method according to claim 1, which is characterized in that the when m- acceleration for obtaining the male model
Degree series, specifically: acceleration described in periodic samples, sampling period are the half or smaller in mold clamping period.
5. intelligent control method according to claim 1, which is characterized in that m- rate curve obtains when according to described
After the time-displacement curve of the male model, further includes:
To it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed and it is described when m- displacement
Displacement in curve is monitored；By the monitoring to the acceleration or the speed or the displacement, the public affairs are judged
Whether the motion process of mould breaks down.
6. a kind of intelligent management system of mold characterized by comprising
Acceleration obtains module, for obtaining the when m- acceleration sequence of male model；
Central computing module, m- acceleration sequence is when for being fitted described with acquisition time-accelerating curve；According to it is described when
M- accelerating curve obtains the when m- rate curve of the male model；According to it is described when m- rate curve obtain the male model
Time-displacement curve；To it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed and described
Displacement in time-displacement curve is counted in the number that same time three is simultaneously zero, realizes the prison to molding number
Control.
7. intelligent management system according to claim 6, which is characterized in that it is described center computing module include:
Zero point judging unit, for obtaining first time period, specifically: it is zero with acceleration when described in m- accelerating curve
At the time of be the first correct time；Again centered on the first correct time, period within the first error time is described the
One period；
For obtaining second time period, specifically: when described in m- rate curve, at the time of with speed being zero second it is accurate when
Between；Again centered on the second correct time, the period within the second error time is the second time period；
For obtaining the third period, specifically: in the time-displacement curve, using displacement be zero at the time of it is accurate as third
Time；Again centered on third correct time, the period within third error time is the third period；
If the first time period, the second time period and third period three intersection, the zero point judging unit
It is judged as the acceleration, the speed and the displacement in same time three while being zero.
8. intelligent management system according to claim 7, which is characterized in that the zero point judging unit is also used to calculate
The first error time: (T × a1)/n1；Wherein, a1 is setting sensitivity coefficient；
For calculating second error time: (T × a2)/n2；Wherein, a2 is setting sensitivity coefficient；
For calculating the third error time: (T × a3)/n3；Wherein, a3 is setting sensitivity coefficient.
9. intelligent management system according to claim 6, which is characterized in that the acceleration obtains module and obtains male model
When m- acceleration sequence, specifically: the acceleration obtains acceleration described in module periodic samples, and the sampling period is mould
The half or smaller in tool molding period.
10. intelligent management system according to claim 6, which is characterized in that further include:
Breakdown judge module, for it is described when m- accelerating curve in acceleration, it is described when m- rate curve in speed
Displacement in degree and the time-displacement curve is monitored；By to the acceleration or the speed or the displacement
Monitoring, judge whether the motion process of the male model breaks down.
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| CN114563992A (en) * | 2022-03-01 | 2022-05-31 | 昆山缔微致精密电子有限公司 | Method and system for improving blanking precision of injection mold |
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