CN108380846A - Stalk leak test detection method and device - Google Patents
Stalk leak test detection method and device Download PDFInfo
- Publication number
- CN108380846A CN108380846A CN201810233584.5A CN201810233584A CN108380846A CN 108380846 A CN108380846 A CN 108380846A CN 201810233584 A CN201810233584 A CN 201810233584A CN 108380846 A CN108380846 A CN 108380846A
- Authority
- CN
- China
- Prior art keywords
- stalk
- pressure
- leak test
- furnace body
- fluid level
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of stalk leak test detection methods and device, method to include：It obtains stalk leak test and detects enabling signal；When determining that stalk has been installed on liquid level on furnace body and in furnace body and is higher than designated position, casting machine is adjusted to simulated production state, it is added in furnace body using controling of the pressure of the oven valve control compressed air, the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period；In pressure process and pressure maintaining period, according to the liquid condition in stalk, determine whether stalk leaks.Technical solution through the invention; reduce the generation of machine and production termination phenomenon under mold caused by stalk leaks; be conducive to save human and material resources and production time; can preventative solution stalk leakage problem, reduce downtime, automatic detection may be implemented; and detection is accurate; it works well, easy to operate, safety coefficient higher.
Description
Technical field
The present invention relates to casting technology fields, in particular to a kind of stalk leak test detection method and a kind of liter of liquid
Pipe leak test device.
Background technology
Low pressure casting is liquid metal under dry air pressure effect, along stalk from bottom to top packed type
Chamber, to form a kind of method of casting.Since the pressure used in entire casting process is relatively low, so referred to as low pressure is cast
It makes.
In low pressure casting, the stability and accuracy of pressure are the most important factor of low pressure process, the management to production
Great influence can be all caused with the quality of product.And the actual pressure caused by the leakage of pressure is lower than the pressure of technological requirement
It is also the most important factor for influencing pressure stability and accuracy.
The gas leakage of stalk position is one of the reason of causing stress leakage.And the judgement of existing stalk position gas leakage is only
It can be guessed by the defect form of expression of product, and False Rate is very high, serious influence will also result on production, pass through
The defect of product artificially judges whether stalk leaks, and erroneous judgement risk is very big, in addition once generation stalk leakage will
Lead to machine under mold, production terminates, and cannot accomplish to prevent in advance.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of stalk leak test detection methods.
It is another object of the present invention to provide a kind of stalk leak test devices.
To achieve the goals above, technical scheme of the present invention provides a kind of stalk leak test detection method, is suitable for
Casting machine, including：It obtains stalk leak test and detects enabling signal；Determining that stalk has been installed on the liquid on furnace body and in furnace body
When face height is higher than designated position, adjustment casting machine to simulated production state is added using controling of the pressure of the oven valve control compressed air
In furnace body, the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period；In pressure process and pressure maintaining period, according to
Liquid condition in stalk, determines whether stalk leaks.
In the present solution, detecting enabling signal by obtaining stalk leak test, be conducive to be needed to start stalk according to user
Leak test detects, and not only economizes on resources, but also can realize that stalk leak test detects, by determining that stalk has been installed on furnace body and stove
When internal liquid level is higher than designated position, adjustment casting machine to simulated production state is controlled using controling of the pressure of the oven valve and is compressed
Air is added in furnace body, and the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period, on the one hand, ensured pressurization and
The safety of pressure maintaining period, on the other hand, reduce cause because the liquid level position in furnace body is too low pressurization when stalk in liquid level
Position is unchanged and is considered as the illusion of leakage, the accuracy of stalk leak test detection is improved, in pressure process and pressurize
Cheng Zhong determines whether stalk leaks according to the liquid condition in stalk, further improves the standard of stalk leak test detection
True property, and the security performance higher of stalk leak test proposed by the present invention detection, test accuracy higher, and in production
Preceding advance detection reduces the generation of machine and production termination phenomenon under mold caused by stalk leaks, is conducive to save
Human and material resources and production time, can preventative solution stalk leakage problem, reduce downtime, may be implemented automatic
Change detection, and detect accurately, works well, easy to operate, safety coefficient higher.
Specifically, it when stalk is installed on casting machine furnace body, is compressed with briquetting, otherwise, in pressurization and pressure maintaining period
In, with the increase of pressure, stalk may be cast pressure in machine furnace body and jack up and lead to stalk surrounding gas leakage, influence to rise
Liquid pipe leak test detects and there are some potential safety problems, and the stalk leak test detection of the present invention is determining that stalk installed
It pressurizes again after on furnace body, further improves security performance.
It should be noted that the default pressure period is to sum up to come by a large number of experiments, multiple stages can be divided into, most
Big pressurization value is usually no more than 8bar, it is preferable that is divided into three phases, is respectively forced into 3bar, pressurizes and the dwell time is
3s or 3s are all pressing time, are forced into 5bar, and pressurization and dwell time are that 6s or 6s is all pressing time, are forced into
8bar, pressurization and dwell time are that 9s or 9s is all pressing time, and continues pressurize 30s at 8bar, to be seen
Examine, specifically, can according to liquid pressure in furnace body and the pressure value added, to be determined actual pressurization, if herein it
It in the presence of inlet pressure compensation setting value, can be purged, to ensure the pressure value for being forced into setting, further promote safety
Energy.
Preferably, liquid condition includes whether current fluid level height determines stalk according to the liquid condition in stalk
It leaks, further includes：In pressure maintaining period, judge whether current fluid level height is less than pressure period corresponding pre-set level height；
When judging that current fluid level height is less than pre-set level height, determine that stalk leaks.
In the present solution, in pressure maintaining period, judge whether current fluid level height is less than pressure period corresponding pre-set level
Highly；When judging that current fluid level height is less than pre-set level height, determines that stalk leaks, further improve stalk and let out
The accuracy of leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes that the current fluid level rate of climb determines stalk according to the liquid condition in stalk
Whether leak, including：In pressure process, it is corresponding default to judge whether the current fluid level rate of climb is less than the residing pressure period
The liquid level rate of climb；When judging that the current fluid level rate of climb is less than the pre-set level rate of climb, determine that stalk leaks.
In the present solution, in pressure process, it is corresponding to judge whether the current fluid level rate of climb is less than the residing pressure period
The pre-set level rate of climb determines that stalk leaks when judging that the current fluid level rate of climb is less than the pre-set level rate of climb,
The accuracy of stalk leak detection is high, is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes that current fluid level fluctuating range determines stalk according to the liquid condition in stalk
Whether leak, further includes：In pressure maintaining period, judge whether current fluid level fluctuating range is more than pre-set level fluctuating range；When
When judging that current fluid level fluctuating range is more than pre-set level fluctuating range, determine that stalk leaks.
In the present solution, in pressure maintaining period, judge whether current fluid level fluctuating range is more than pre-set level fluctuating range；When
When judging that current fluid level fluctuating range is more than pre-set level fluctuating range, determines that stalk leaks, further improve stalk
The accuracy of leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, further include：When detecting that the current fluid level height in stalk is more than pre-set level safe altitude, control
Stop stops pressure process, and controls pressure release；When determine stalk leakage when, control stop pressure process, and control pressure release and
Send out alarm signal；When detecting that furnace interior pressure value is more than default safe pressure value, control stops pressure process, and controls
Pressure release processed.
In the present solution, by when detecting that the current fluid level height in stalk is more than pre-set level safe altitude, control
Stop stops pressure process, and controls pressure release, when determine stalk leakage when, control stop pressure process, and control pressure release and
It sends out alarm signal and when detecting that furnace interior pressure value is more than default safe pressure value, control stops pressure process,
And pressure release is controlled, further improve the safety of stalk leak test detection.
Technical scheme of the present invention also proposed a kind of stalk leak test device, be suitable for casting machine, including：It obtains
Unit detects enabling signal for obtaining stalk leak test；Control unit, for determine stalk be installed on furnace body and
When liquid level in furnace body is higher than designated position, adjustment casting machine to simulated production state is controlled using controling of the pressure of the oven valve and is pressed
Contracting air is added in furnace body, and the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period；Determination unit, for adding
It presses through in journey and pressure maintaining period, according to the liquid condition in stalk, determines whether stalk leaks.
In the present solution, detecting enabling signal by obtaining stalk leak test, be conducive to be needed to start stalk according to user
Leak test detects, and not only economizes on resources, but also can realize that stalk leak test detects, by determining that stalk has been installed on furnace body and stove
When internal liquid level is higher than designated position, adjustment casting machine to simulated production state is controlled using controling of the pressure of the oven valve and is compressed
Air is added in furnace body, and the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period, on the one hand, ensured pressurization and
The safety of pressure maintaining period, on the other hand, reduce cause because the liquid level position in furnace body is too low pressurization when stalk in liquid level
Position is unchanged and is considered as the illusion of leakage, the accuracy of stalk leak test detection is improved, in pressure process and pressurize
Cheng Zhong determines whether stalk leaks according to the liquid condition in stalk, further improves the standard of stalk leak test detection
True property, and the security performance higher of stalk leak test proposed by the present invention detection, test accuracy higher, and in production
Preceding advance detection reduces the generation of machine and production termination phenomenon under mold caused by stalk leaks, is conducive to save
Human and material resources and production time, can preventative solution stalk leakage problem, reduce downtime, may be implemented automatic
Change detection, and detect accurately, works well, easy to operate, safety coefficient higher.
Specifically, it when stalk is installed on casting machine furnace body, is compressed with briquetting, otherwise, in pressurization and pressure maintaining period
In, with the increase of pressure, stalk may be cast pressure in machine furnace body and jack up and lead to stalk surrounding gas leakage, influence to rise
Liquid pipe leak test detects and there are some potential safety problems, and the stalk leak test detection of the present invention is determining that stalk installed
It pressurizes again after on furnace body, further improves security performance.
It should be noted that the default pressure period is to sum up to come by a large number of experiments, multiple stages can be divided into, most
Big pressurization value is usually no more than 8bar, it is preferable that is divided into three phases, is respectively forced into 3bar, pressurizes and the dwell time is
3s or 3s are all pressing time, are forced into 5bar, and pressurization and dwell time are that 6s or 6s is all pressing time, are forced into
8bar, pressurization and dwell time are that 9s or 9s is all pressing time, and continues pressurize 30s at 8bar, to be seen
Examine, specifically, can according to liquid pressure in furnace body and the pressure value added, to be determined actual pressurization, if herein it
It in the presence of inlet pressure compensation setting value, can be purged, to ensure the pressure value for being forced into setting, further promote safety
Energy.
Preferably, liquid condition includes current fluid level height, and determination unit includes：First judgment sub-unit, for protecting
During pressure, judge whether current fluid level height is less than pressure period corresponding pre-set level height；First determination subelement is used
In when judgement current fluid level height is less than pre-set level height, determine that stalk leaks.
In the present solution, in pressure maintaining period, judge whether current fluid level height is less than pressure period corresponding pre-set level
Highly；When judging that current fluid level height is less than pre-set level height, determines that stalk leaks, further improve stalk and let out
The accuracy of leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes the current fluid level rate of climb, and determination unit further includes：Second judgment sub-unit is used
In in pressure process, judge the current fluid level rate of climb whether be less than corresponding pre-set level of residing pressure period on raising speed
Degree；Second determination subelement, for when judging that the current fluid level rate of climb is less than the pre-set level rate of climb, determining stalk
Leakage.
In the present solution, in pressure process, it is corresponding to judge whether the current fluid level rate of climb is less than the residing pressure period
The pre-set level rate of climb determines that stalk leaks when judging that the current fluid level rate of climb is less than the pre-set level rate of climb,
The accuracy of stalk leak detection is high, is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes current fluid level fluctuating range, and determination unit further includes：Third judgment sub-unit is used
In in pressure maintaining period, judge current fluid level fluctuating range whether be more than pre-set level fluctuating range；Third determination subelement is used
In when judgement current fluid level fluctuating range is more than pre-set level fluctuating range, determine that stalk leaks.
In the present solution, in pressure maintaining period, judge whether current fluid level fluctuating range is more than pre-set level fluctuating range；When
When judging that current fluid level fluctuating range is more than pre-set level fluctuating range, determines that stalk leaks, further improve stalk
The accuracy of leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, control unit is additionally operable to：When detect the current fluid level height in stalk be more than pre-set level safety
When height, control stops pressure process, and controls pressure release；Control unit is additionally operable to：When determining stalk leakage, control stops
Pressure process, and control pressure release and send out alarm signal；Control unit is additionally operable to：When detecting that furnace interior pressure value is more than
When default safe pressure value, control stops pressure process, and controls pressure release.
In the present solution, by when detecting that the current fluid level height in stalk is more than pre-set level safe altitude, control
Stop stops pressure process, and controls pressure release, when determine stalk leakage when, control stop pressure process, and control pressure release and
It sends out alarm signal and when detecting that furnace interior pressure value is more than default safe pressure value, control stops pressure process,
And pressure release is controlled, further improve the safety of stalk leak test detection.
Technical scheme of the present invention also proposed a kind of computer equipment, including memory, processor and be stored in storage
On device and the computer program that can run on a processor, processor realize the technology of aforementioned present invention when executing computer program
The step of stalk leak test detection method for any one that scheme proposes.
In the technical scheme, computer equipment includes memory, processor and storage on a memory and can handle
The computer program run on device, processor realize any that the technical solution of aforementioned present invention proposes when executing computer program
The step of stalk leak test detection method of item, therefore the stalk of any one of the proposition of the technical solution with aforementioned present invention
Whole advantageous effects of leak test detection method, details are not described herein.
Technical scheme of the present invention also proposed a kind of computer readable storage medium, be stored thereon with computer program,
The stalk leak test detection for any one that the technical solution of aforementioned present invention proposes is realized when computer program is executed by processor
The step of method.
In the technical scheme, computer readable storage medium is stored thereon with computer program, and computer program is located
The step of managing the stalk leak test detection method for any one for realizing that the technical solution of aforementioned present invention proposes when device executes, therefore
Whole advantageous effects of the stalk leak test detection method for any one that technical solution with aforementioned present invention proposes, herein not
It repeats again.
By above technical scheme, determining that stalk has been installed on liquid level on furnace body and in furnace body higher than specified
When position, adjustment casting machine to simulated production state is added in furnace body using controling of the pressure of the oven valve control compressed air, makes furnace body
Inside carries out pressurization and pressurize according to the default pressure period, and in pressure process and pressure maintaining period, according to the liquid in stalk
Body state, determines whether stalk leaks, on the one hand, has ensured pressurization and the safety of pressure maintaining period, on the other hand, has reduced
Because the liquid level position in furnace body is too low cause pressurization when stalk in liquid level position it is unchanged due to be considered as leakage illusion, promoted
The accuracy of stalk leak test detection, and detected in advance before production, reduce the mold caused by stalk leaks
Lower machine and production terminate the generation of phenomenon, are conducive to save human and material resources and production time, being capable of preventative solution liter liquid
Pipe leakage problem reduces downtime, automatic detection may be implemented, and detect accurately, works well, easy to operate, safety
Coefficient higher.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the schematic flow diagram of stalk leak test detection method according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of stalk leak test detection method according to another embodiment of the invention；
Fig. 3 shows the schematic block diagram of stalk leak test device according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic flow diagram of stalk leak test detection method according to an embodiment of the invention.
As shown in Figure 1, stalk leak test detection method according to an embodiment of the invention, is suitable for casting machine, packet
It includes：
S102 obtains stalk leak test and detects enabling signal；
S104, when determining that stalk has been installed on liquid level on furnace body and in furnace body and is higher than designated position, adjustment
Casting machine is added in furnace body using controling of the pressure of the oven valve control compressed air to simulated production state, makes the inside of furnace body according to pre-
If the pressure period carries out pressurization and pressurize；
S106, according to the liquid condition in stalk, determines whether stalk is let out in pressure process and pressure maintaining period
Leakage.
In the present embodiment, enabling signal is detected by obtaining stalk leak test, is conducive to need to start according to user to rise liquid
Pipe leak test detect, not only economized on resources, but can realize stalk leak test detect, by determine stalk be installed on furnace body and
When liquid level in furnace body is higher than designated position, adjustment casting machine to simulated production state is controlled using controling of the pressure of the oven valve and is pressed
Contracting air is added in furnace body, so that the inside of furnace body is carried out pressurization and pressurize according to the default pressure period, on the one hand, to ensure pressurization
With the safety of pressure maintaining period, on the other hand, reduce cause because the liquid level position in furnace body is too low pressurization when stalk in liquid
Face position is unchanged and is considered as the illusion of leakage, the accuracy of stalk leak test detection is improved, in pressure process and pressurize
In the process, it according to the liquid condition in stalk, determines whether stalk leaks, further improves the detection of stalk leak test
Accuracy, and the security performance higher of stalk leak test proposed by the present invention detection, test accuracy higher, and producing
Detection in advance before reduces the generation of machine and production termination phenomenon under mold caused by stalk leaks, is conducive to save
Human-saving, material resources and production time, can preventative solution stalk leakage problem, reduce downtime, may be implemented from
Dynamicization detects, and detects accurately, works well, easy to operate, safety coefficient higher.
Specifically, it when stalk is installed on casting machine furnace body, is compressed with briquetting, otherwise, in pressurization and pressure maintaining period
In, with the increase of pressure, stalk may be cast pressure in machine furnace body and jack up and lead to stalk surrounding gas leakage, influence to rise
Liquid pipe leak test detects and there are some potential safety problems, and the stalk leak test detection of the present invention is determining that stalk installed
It pressurizes again after on furnace body, further improves security performance.
It should be noted that the default pressure period is to sum up to come by a large number of experiments, multiple stages can be divided into, most
Big pressurization value is usually no more than 8bar, it is preferable that is divided into three phases, is respectively forced into 3bar, pressurizes and the dwell time is
3s or 3s are all pressing time, are forced into 5bar, and pressurization and dwell time are that 6s or 6s is all pressing time, are forced into
8bar, pressurization and dwell time are that 9s or 9s is all pressing time, and continues pressurize 30s at 8bar, to be seen
Examine, specifically, can according to liquid pressure in furnace body and the pressure value added, to be determined actual pressurization, if herein it
It in the presence of inlet pressure compensation setting value, can be purged, to ensure the pressure value for being forced into setting, further promote safety
Energy.
Fig. 2 shows the schematic flow diagrams of stalk leak test detection method according to another embodiment of the invention.
As shown in Fig. 2, stalk leak test detection method according to another embodiment of the invention, including：
S202 obtains stalk leak test and detects enabling signal；
S204, when determining that stalk has been installed on liquid level on furnace body and in furnace body and is higher than designated position, adjustment
Casting machine is added in furnace body using controling of the pressure of the oven valve control compressed air to simulated production state, makes the inside of furnace body according to pre-
If the pressure period carries out pressurization and pressurize；
It is corresponding default to judge whether the current fluid level rate of climb is less than the residing pressure period in pressure process by S206
The liquid level rate of climb；
S208, when detecting that the current fluid level height in stalk is more than pre-set level safe altitude, control stops adding
Journey is pressed through, and controls pressure release；
S210, when detecting that furnace interior pressure value is more than default safe pressure value, control stops pressure process, and controls
Pressure release processed；
If the judgement to S206 is yes, S216 is executed, control stops pressure process, and controls pressure release and send out police
Show signal；
If the judgement to S206 is no, S212 is executed, in pressure maintaining period, judges whether current fluid level height is less than
Pressure period corresponding pre-set level height；
If the judgement to S212 is yes, S216 is executed, if being no to the judgement of S212, S214 is executed, is protecting
During pressure, judge whether current fluid level fluctuating range is more than pre-set level fluctuating range；
If the judgement to S214 is yes, S216 is executed.
Fig. 3 shows the schematic block diagram of stalk leak test device 300 according to an embodiment of the invention.
As shown in figure 3, stalk leak test device 300 according to an embodiment of the invention, is suitable for casting machine,
Including：Acquiring unit 302 detects enabling signal for obtaining stalk leak test；Control unit 306, for determining stalk
When being installed on the liquid level on furnace body and in furnace body higher than designated position, adjustment casting machine to simulated production state uses
Controling of the pressure of the oven valve controls compressed air and is added in furnace body, and the inside of furnace body is made to carry out pressurization and pressurize according to the default pressure period；
Determination unit 308, in pressure process and pressure maintaining period, according to the liquid condition in stalk, whether determining stalk
Leakage.
In the present embodiment, enabling signal is detected by obtaining stalk leak test, is conducive to need to start according to user to rise liquid
Pipe leak test detect, not only economized on resources, but can realize stalk leak test detect, by determine stalk be installed on furnace body and
When liquid level in furnace body is higher than designated position, adjustment casting machine to simulated production state is controlled using controling of the pressure of the oven valve and is pressed
Contracting air is added in furnace body, so that the inside of furnace body is carried out pressurization and pressurize according to the default pressure period, on the one hand, to ensure pressurization
With the safety of pressure maintaining period, on the other hand, reduce cause because the liquid level position in furnace body is too low pressurization when stalk in liquid
Face position is unchanged and is considered as the illusion of leakage, the accuracy of stalk leak test detection is improved, in pressure process and pressurize
In the process, it according to the liquid condition in stalk, determines whether stalk leaks, further improves the detection of stalk leak test
Accuracy, and the security performance higher of stalk leak test proposed by the present invention detection, test accuracy higher, and producing
Detection in advance before reduces the generation of machine and production termination phenomenon under mold caused by stalk leaks, is conducive to save
Human-saving, material resources and production time, can preventative solution stalk leakage problem, reduce downtime, may be implemented from
Dynamicization detects, and detects accurately, works well, easy to operate, safety coefficient higher.
Specifically, it when stalk is installed on casting machine furnace body, is compressed with briquetting, otherwise, in pressurization and pressure maintaining period
In, with the increase of pressure, stalk may be cast pressure in machine furnace body and jack up and lead to stalk surrounding gas leakage, influence to rise
Liquid pipe leak test detects and there are some potential safety problems, and the stalk leak test detection of the present invention is determining that stalk installed
It pressurizes again after on furnace body, further improves security performance.
It should be noted that the default pressure period is to sum up to come by a large number of experiments, multiple stages can be divided into, most
Big pressurization value is usually no more than 8bar, it is preferable that is divided into three phases, is respectively forced into 3bar, pressurizes and the dwell time is
3s or 3s are all pressing time, are forced into 5bar, and pressurization and dwell time are that 6s or 6s is all pressing time, are forced into
8bar, pressurization and dwell time are that 9s or 9s is all pressing time, and continues pressurize 30s at 8bar, to be seen
Examine, specifically, can according to liquid pressure in furnace body and the pressure value added, to be determined actual pressurization, if herein it
It in the presence of inlet pressure compensation setting value, can be purged, to ensure the pressure value for being forced into setting, further promote safety
Energy.
Preferably, liquid condition includes current fluid level height, and determination unit 308 includes：First judgment sub-unit 3082 is used
In in pressure maintaining period, judge current fluid level height whether be less than pressure period corresponding pre-set level height；First determines son
Unit 3084, for when judging that current fluid level height is less than pre-set level height, determining that stalk leaks.
In the present embodiment, in pressure maintaining period, judge whether current fluid level height is less than pressure period corresponding default liquid
Face height；When judging that current fluid level height is less than pre-set level height, determines that stalk leaks, further improve stalk
The accuracy of leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes the current fluid level rate of climb, and determination unit 308 further includes：Second judgment sub-unit
3086, in pressure process, judging whether the current fluid level rate of climb is less than corresponding pre-set level of residing pressure period
The rate of climb；Second determination subelement 3088 is used for when judging that the current fluid level rate of climb is less than the pre-set level rate of climb,
Determine that stalk leaks.
In the present embodiment, in pressure process, judge whether the current fluid level rate of climb is less than correspondence of residing pressure period
The pre-set level rate of climb, when judge the current fluid level rate of climb be less than the pre-set level rate of climb when, determine that stalk is let out
The accuracy of leakage, stalk leak detection is high, is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, liquid condition includes current fluid level fluctuating range, and determination unit 308 further includes：Third judgment sub-unit
3090, in pressure maintaining period, judging whether current fluid level fluctuating range is more than pre-set level fluctuating range；Third determines son
Unit 3092, for when judging that current fluid level fluctuating range is more than pre-set level fluctuating range, determining that stalk leaks.
In the present embodiment, in pressure maintaining period, judge whether current fluid level fluctuating range is more than pre-set level fluctuating range；
When judging that current fluid level fluctuating range is more than pre-set level fluctuating range, determines that stalk leaks, further improve a liter liquid
The accuracy of pipe leak detection is conducive to preventative solution stalk leakage problem, reduces downtime.
Preferably, control unit 306 is additionally operable to：When detect the current fluid level height in stalk more than pre-set level pacify
When full-height, control stops pressure process, and controls pressure release；Control unit 306 is additionally operable to：When determining stalk leakage, control
Stop stops pressure process, and controls pressure release and send out alarm signal；Control unit 306 is additionally operable to：When detecting furnace interior
When pressure value is more than default safe pressure value, control stops pressure process, and controls pressure release.
In the present embodiment, by when detect the current fluid level height in stalk be more than pre-set level safe altitude when,
Control stops pressure process, and controls pressure release, and when determining stalk leakage, control stops pressure process, and control pressure release with
And it sends out alarm signal and when detecting that furnace interior pressure value is more than default safe pressure value, controls and stop pressurizeing
Journey, and pressure release is controlled, further improve the safety of stalk leak test detection.
The embodiment of the present invention also proposed a kind of computer equipment, including memory, processor and be stored in memory
Computer program that is upper and can running on a processor, processor realize embodiments of the invention described above when executing computer program
The step of stalk leak test detection method of any one of proposition.
In this embodiment, computer equipment include memory, processor and storage on a memory and can be in processor
The computer program of upper operation, processor realize any one that embodiments of the invention described above propose when executing computer program
The step of stalk leak test detection method, therefore the stalk leak test inspection of any one proposed with embodiments of the invention described above
Whole advantageous effects of survey method, details are not described herein.
The embodiment of the present invention also proposed a kind of computer readable storage medium, be stored thereon with computer program, meter
The stalk leak test detection method for any one that embodiments of the invention described above propose is realized when calculation machine program is executed by processor
The step of.
In this embodiment, computer readable storage medium is stored thereon with computer program, and computer program is handled
The step of stalk leak test detection method for any one that embodiments of the invention described above propose is realized when device executes, therefore have
Whole advantageous effects of the stalk leak test detection method for any one that embodiments of the invention described above propose, it is no longer superfluous herein
It states.
Technical scheme of the present invention is described in detail above in association with attached drawing, the present invention proposes a kind of stalk leak test detection
Method and a kind of stalk leak test device, by detecting that stalk has been seal-installed on the liquid on furnace body and in furnace body
When face height is higher than designated position, it is added in furnace body using controling of the pressure of the oven valve control compressed air, makes the inside of furnace body according to pre-
If the pressure period carries out pressurization and pressurize, and in pressure process and pressure maintaining period, according to the liquid condition in stalk, determine
Whether stalk leaks, on the one hand, has ensured pressurization and the safety of pressure maintaining period, on the other hand, has reduced because in furnace body
Liquid level position is too low to be caused when pressurization in stalk liquid level position unchanged and is considered as the illusion of leakage, and stalk examination is improved
The accuracy of leak detection, and detected in advance before production, reduce machine and life under mold caused by stalk leaks
Production terminates the generation of phenomenon, is conducive to save human and material resources and production time, can preventative solutions stalk leak and ask
Topic reduces downtime, automatic detection may be implemented, and detect accurately, works well, easy to operate, safety coefficient higher.
Step in the method for the present invention can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in apparatus of the present invention can be combined, divided, and deleted according to actual needs.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
Any other computer-readable medium for carrying or storing data.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of stalk leak test detection method is suitable for casting machine, which is characterized in that including：
It obtains stalk leak test and detects enabling signal；
When determining that the stalk is installed on liquid level on the furnace body and in the furnace body and is higher than designated position, adjustment
The casting machine is added in the furnace body using controling of the pressure of the oven valve control compressed air to simulated production state, makes the furnace body
Inside according to the default pressure period carry out pressurization and pressurize；
In the pressure process and pressure maintaining period, according to the liquid condition in the stalk, whether the stalk is determined
Leakage.
2. stalk leak test detection method according to claim 1, which is characterized in that the liquid condition includes current liquid
Face height, the liquid condition according in stalk determine whether the stalk leaks, including：
In the pressure maintaining period, it is high to judge whether the current fluid level height is less than corresponding pre-set level of residing pressure period
Degree；
When judging that the current fluid level height is less than the pre-set level height, the stalk leakage is determined.
3. stalk leak test detection method according to claim 2, which is characterized in that the liquid condition includes current liquid
The face rate of climb, the liquid condition according in the stalk determine whether the stalk leaks, further include：
In the pressure process, judge whether the current fluid level rate of climb is less than corresponding default liquid of residing pressure period
The face rate of climb；
When judging that the current fluid level rate of climb is less than the pre-set level rate of climb, the stalk leakage is determined.
4. stalk leak test detection method according to any one of claim 1 to 3, which is characterized in that described liquid
State includes current fluid level fluctuating range, and the liquid condition according in stalk determines whether the stalk leaks, also wraps
It includes：
In the pressure maintaining period, judge whether the current fluid level fluctuating range is more than pre-set level fluctuating range；
When judging that the current fluid level fluctuating range is more than the pre-set level fluctuating range, the stalk leakage is determined.
5. stalk leak test detection method according to claim 4, which is characterized in that further include：
When detecting that the current fluid level height in the stalk is more than pre-set level safe altitude, described in control stopping
Pressure process, and control pressure release；
When determining the stalk leakage, control stops the pressure process, and controls pressure release and send out alarm signal；
When detecting that furnace interior pressure value is more than default safe pressure value, control stops the pressure process, and controls and let out
Pressure.
6. a kind of stalk leak test device is suitable for casting machine, which is characterized in that including：
Acquiring unit detects enabling signal for obtaining stalk leak test；
Control unit, for determining that the liquid level that the stalk has been installed on the furnace body and in the furnace body is higher than
When designated position, the casting machine is adjusted to simulated production state, the stove is added using controling of the pressure of the oven valve control compressed air
In vivo, the inside of the furnace body is made to carry out pressurization and pressurize according to the default pressure period；
Determination unit, in the pressure process and pressure maintaining period, according to the liquid condition in the stalk, determining institute
State whether stalk leaks.
7. stalk leak test device according to claim 6, which is characterized in that the liquid condition includes current liquid
Face height, the determination unit include：
First judgment sub-unit, in the pressure maintaining period, judging whether the current fluid level height is less than residing pressurization
Stage corresponding pre-set level height；
First determination subelement, described in when judging that the current fluid level height is less than the pre-set level height, determining
Stalk leaks.
8. stalk leak test device according to claim 7, which is characterized in that the liquid condition includes current liquid
The face rate of climb, the determination unit further include：
Second judgment sub-unit, in the pressure process, judging it is residing whether the current fluid level rate of climb is less than
The pressure period corresponding pre-set level rate of climb；
Second determination subelement is used for when judging that the current fluid level rate of climb is less than the pre-set level rate of climb,
Determine the stalk leakage.
9. the stalk leak test device according to any one of claim 6 to 8, which is characterized in that described liquid
State includes current fluid level fluctuating range, and the determination unit further includes：
Third judgment sub-unit, in the pressure maintaining period, judging it is default whether the current fluid level fluctuating range is more than
Liquid fluctuating amplitude；
Third determination subelement is used for when judging that the current fluid level fluctuating range is more than the pre-set level fluctuating range,
Determine the stalk leakage.
10. stalk leak test device according to claim 9, which is characterized in that
Described control unit is additionally operable to：When detect the current fluid level height in the stalk be more than pre-set level safety
When height, control stops the pressure process, and controls pressure release；
Described control unit is additionally operable to：When determining the stalk leakage, control stops the pressure process, and controls pressure release
And send out alarm signal；
Described control unit is additionally operable to：When detecting that furnace interior pressure value is more than default safe pressure value, control stops institute
Pressure process is stated, and controls pressure release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810233584.5A CN108380846B (en) | 2018-03-21 | 2018-03-21 | Riser tube leak test detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810233584.5A CN108380846B (en) | 2018-03-21 | 2018-03-21 | Riser tube leak test detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380846A true CN108380846A (en) | 2018-08-10 |
| CN108380846B CN108380846B (en) | 2021-05-07 |
Family
ID=63068252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810233584.5A Active CN108380846B (en) | 2018-03-21 | 2018-03-21 | Riser tube leak test detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108380846B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101439396A (en) * | 2008-12-10 | 2009-05-27 | 中国兵器工业第五二研究所 | Counter-pressure casting process for casting parts of door cover |
| CN101446512A (en) * | 2008-09-26 | 2009-06-03 | 上汽通用五菱汽车股份有限公司 | Automotive fuel leak detection method |
| CN201684915U (en) * | 2010-03-19 | 2010-12-29 | 上海皮尔博格有色零部件有限公司 | Low pressure casting machine and liquid surface pressurization control system thereof |
| CN202002785U (en) * | 2011-01-28 | 2011-10-05 | 东莞正扬电子机械有限公司 | Leak detection device for pipe fitting |
| JP4879063B2 (en) * | 2007-03-28 | 2012-02-15 | ダイハツ工業株式会社 | Molten metal leak detection mechanism of casting equipment |
| CN103192060A (en) * | 2012-01-06 | 2013-07-10 | 通用汽车环球科技运作有限责任公司 | Die coolant system with an integral and automatic leak test |
| JP2013141691A (en) * | 2012-01-11 | 2013-07-22 | Honda Motor Co Ltd | Method for calculating volume of air chamber in furnace, casting method, device for calculating volume of air chamber in furnace and program for calculating volume of air chamber in furnace |
| CN108127100A (en) * | 2018-01-11 | 2018-06-08 | 重庆长安汽车股份有限公司 | A kind of visual detection device of air injection machine compression system |
-
2018
- 2018-03-21 CN CN201810233584.5A patent/CN108380846B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4879063B2 (en) * | 2007-03-28 | 2012-02-15 | ダイハツ工業株式会社 | Molten metal leak detection mechanism of casting equipment |
| CN101446512A (en) * | 2008-09-26 | 2009-06-03 | 上汽通用五菱汽车股份有限公司 | Automotive fuel leak detection method |
| CN101439396A (en) * | 2008-12-10 | 2009-05-27 | 中国兵器工业第五二研究所 | Counter-pressure casting process for casting parts of door cover |
| CN201684915U (en) * | 2010-03-19 | 2010-12-29 | 上海皮尔博格有色零部件有限公司 | Low pressure casting machine and liquid surface pressurization control system thereof |
| CN202002785U (en) * | 2011-01-28 | 2011-10-05 | 东莞正扬电子机械有限公司 | Leak detection device for pipe fitting |
| CN103192060A (en) * | 2012-01-06 | 2013-07-10 | 通用汽车环球科技运作有限责任公司 | Die coolant system with an integral and automatic leak test |
| JP2013141691A (en) * | 2012-01-11 | 2013-07-22 | Honda Motor Co Ltd | Method for calculating volume of air chamber in furnace, casting method, device for calculating volume of air chamber in furnace and program for calculating volume of air chamber in furnace |
| CN108127100A (en) * | 2018-01-11 | 2018-06-08 | 重庆长安汽车股份有限公司 | A kind of visual detection device of air injection machine compression system |
Non-Patent Citations (1)
| Title |
|---|
| 董秀琦: "CLP－5型低压铸造液面加压控制系统的研制及应用", 《特种铸造及有色合金》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108380846B (en) | 2021-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101512531B1 (en) | Method for detecting leaks in a tank system | |
| CN104236835B (en) | A kind of hydraulic impulse formula sealing detection vibration experiment table | |
| CN107061095A (en) | A kind of combined type fuel injector fuel injection characteristic measurement apparatus and measuring method | |
| GB2426595A (en) | Methods and apparatus for estimating physical parameters of reservoirs using pressure transient fracture injection/falloff test analysis | |
| JPS62129737A (en) | Delta p index measuring device for measuring oxidation rate | |
| EP0016888A1 (en) | Biocidal gas sterilization method and apparatus | |
| RU2018103748A (en) | METHOD FOR PREPARING A BEVERAGE AND A DEVICE FOR PREPARING A BEVERAGE | |
| JPH0121450B2 (en) | ||
| US7954361B2 (en) | Method and apparatus for detecting tank leaks | |
| US4575807A (en) | Method and apparatus for leak test | |
| CN108380846A (en) | Stalk leak test detection method and device | |
| CN109199074A (en) | Cooking control method, culinary art control device and cooking apparatus | |
| CN110319985A (en) | A kind of detection system and detection method | |
| CN104739248A (en) | Electric cooker water level detection method | |
| CN108896611A (en) | Determining coal ignitability device and measuring method | |
| CN113624654B (en) | Rock porosity measuring device and method | |
| DE50304909D1 (en) | Method and device for checking the patency of endoscope channels | |
| CN103808474A (en) | Method for checking sealing performance of safety valve | |
| CN107703039A (en) | Rock permeability measurement apparatus | |
| US2782637A (en) | Apparatus for testing compressors | |
| CN208195617U (en) | casting machine | |
| JP5772765B2 (en) | Water supply pump and method for detecting full water in water supply pump | |
| BE1023923B1 (en) | METHOD AND DETECTOR FOR DETECTING AIR BUBBLES OR AIR CONCLUSIONS IN A SYSTEM, AS WELL AS AN INSTALLATION CONTAINING SUCH DETECTOR | |
| CN205785854U (en) | Vacuum constant temperature perseverance compression testing device | |
| JPS59119240A (en) | Water permeability testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |