CN102937497A - Method and system for detecting blow energy of hydraulic counter-blow hammer - Google Patents
Method and system for detecting blow energy of hydraulic counter-blow hammer Download PDFInfo
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- CN102937497A CN102937497A CN2012104462000A CN201210446200A CN102937497A CN 102937497 A CN102937497 A CN 102937497A CN 2012104462000 A CN2012104462000 A CN 2012104462000A CN 201210446200 A CN201210446200 A CN 201210446200A CN 102937497 A CN102937497 A CN 102937497A
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Abstract
The invention relates to a method and system for detecting blow energy of a hydraulic counter-blow hammer. The system comprises a plurality of detection sensors, a processing circuit, a computer, a magnetic railing ruler and a magnetic grid sensor, wherein the detection sensors are fixed to different positions of a hydraulic counter-blow hammer rack, and the processing circuit is used for analyzing and calculating filtering wave of detection signals of detection sensors, amplitude and frequency. The method comprises steps of processing signals output by detection sensors through vibration of a piezoelectric acceleration sensor detection rack, obtaining amplitude and frequency of the rack, and setting up a mathematical model between rack vibration and hammer blow energy through an experiment method so as to detect the blow energy. The mathematical model between the rack vibration and the hammer blow energy is set up through the experiment method, a piezoelectric acceleration sensor is installed on the counter-blow hammer rack, the blow energy is detected through an indirect method, the sensor is not required to be installed on the hammer head, and the loosening and the falling of the sensor caused by severe vibration during blowing are avoided.
Description
Technical field
The present invention relates to a kind of detection system and detection method thereof of hydraulic die forging hammer blow energy, particularly detection system and the detection method thereof of large-scale hydraulic pressure counter-blow hammer energy.
Background technology
The high speed development of modern industry especially in the industries such as automobile, engineering, mine, needs increasing high precision, high-quality stamp work.High productivity, the stock utilization of stamp work is high, dimensionally stable, especially net-size forging, because the precision after forging is high, can reduce even save the cutwork amount.The ratio of the shared forging of stamp work has represented a country and has forged production level already.
The blow energy of hydraulic pressure counter-blow hammer directly affects the quality of forging moulding, and tup blow speed detection technique is the important foundation that realizes that hydraulic pressure counter-blow hammer precision energy hits.Because the forging temperature is higher, when hitting, tup vibrates acutely, and the work on the spot environment is very abominable, and conventional sensor is difficult to accurate, real-time detection tup blow speed.And the sensor that is directly installed on the tup is easy to become flexible in the strike process, comes off.
Summary of the invention
The present invention seeks to propose a kind of detection system and detection method thereof of hydraulic pressure counter-blow hammer blow energy.Detect the vibration of frame by piezoelectric acceleration transducer, the signal of detecting sensor output is processed amplitude, the frequency that obtains frame, the re-using experiment method is set up the mathematical model between frame vibration and tup blow energy, in order to realize the detection to blow energy.
The technical solution used in the present invention is as follows:
A kind of detection system of hydraulic pressure counter-blow hammer blow energy, comprise detecting sensor, treatment circuit, computing machine, magnetic railings ruler and magnetic induction sensor, described detecting sensor is fixed on the diverse location of hydraulic pressure counter-blow hammer frame, the vibrational state of frame during for detection of strike, described treatment circuit is used for finishing to the filtering of detecting sensor detection signal and to amplitude, the analytical calculation of frequency, comprise the Experimental modeling module in the described computing machine, adopt cable to be connected between described detecting sensor and the treatment circuit, described magnetic railings ruler is installed in the side of upper ram, described magnetic induction sensor is installed on the frame, and magnetic induction sensor read head normal induction magnetic railings ruler signal was as the criterion when the distance that described magnetic railings ruler and described magnetic induction sensor stagger was hit with upper ram.Described detecting sensor is piezoelectric acceleration transducer.Described treatment circuit is installed in the metal machine box, to reduce external interference.
A kind of detection method of detection system of hydraulic pressure counter-blow hammer blow energy, detect the vibration of frame by detecting sensor, the signal of detecting sensor output is processed amplitude, the frequency that obtains frame, the re-using experiment method is set up the mathematical model between frame vibration and tup blow energy, to realize the detection to blow energy, concrete steps are as follows: (a) detecting sensor is installed on the counter-blow hammer frame, the vibration of hydraulic pressure counter-blow hammer frame is detected; (b) signal with the detecting sensor collection transfers to treatment circuit, finishes in treatment circuit to the filtering of signal and to the analytical calculation of amplitude, frequency; (c) set up mathematical model between frame vibration amplitude, frequency and tup blow energy with experimental technique, in order to detect blow energy, adopt auxiliary frame vibration signal and the tup blow energy mathematical regression model model set up of magnetic railings ruler in this step.
Beneficial effect of the present invention is:
1. piezoelectric acceleration transducer is installed on the counter-blow hammer frame, adopts indirect method to measure blow energy, avoided sensor to be directly installed on tup, high vibration causes sensor to become flexible, come off during strike.
2. set up mathematical model between frame vibration and tup blow energy with experimental technique, effectively detected blow energy.
Description of drawings
Fig. 1 is the scheme of installation of the detection system of hydraulic pressure counter-blow hammer blow energy of the present invention;
Fig. 2 is the schematic flow sheet of the detection system of hydraulic pressure counter-blow hammer blow energy of the present invention.
Among the figure: 1, left detecting sensor; 2, right detecting sensor; 3, magnetic railings ruler; 4, magnetic induction sensor; 5, frame; 6, upper ram; 7, lower ram; 8, anvil block.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The scheme of installation of the detection system of hydraulic pressure counter-blow hammer blow energy of the present invention as shown in Figure 1, comprise that several detecting sensors (only illustrate the situation of two detecting sensors in the accompanying drawing 1, it is left detecting sensor 1, right detecting sensor 2), treatment circuit, computing machine, magnetic railings ruler 3 and magnetic induction sensor 4, described detecting sensor 4 is fixed on the diverse location of hydraulic pressure counter-blow hammer frame 5, the vibrational state of frame during for detection of strike, described treatment circuit is used for finishing to the filtering of detecting sensor detection signal and to amplitude, the analytical calculation of frequency, comprise the Experimental modeling module in the described computing machine, adopt cable to be connected between described detecting sensor and the treatment circuit, described magnetic railings ruler 3 is installed in the side of upper ram 6, described magnetic induction sensor 4 is installed on the frame 5, magnetic induction sensor 4 read head normal induction magnetic railings rulers 3 signals were as the criterion when the distance that described magnetic railings ruler 3 and described magnetic induction sensor 4 stagger was hit with upper ram 6, and lower ram 7 is positioned on the anvil block 8.Described detecting sensor is piezoelectric acceleration transducer.Described treatment circuit is installed in the metal machine box, to reduce external interference.
The schematic flow sheet of the detection system of hydraulic pressure counter-blow hammer blow energy of the present invention as shown in Figure 2, the detection method of the detection system of hydraulic pressure counter-blow hammer blow energy, detect the vibration of frame by detecting sensor, the signal of detecting sensor output is processed amplitude, the frequency that obtains frame, the re-using experiment method is set up the mathematical model between frame vibration and tup blow energy, to realize the detection to blow energy, concrete steps are as follows: (a) detecting sensor is installed on the counter-blow hammer frame, the vibration of hydraulic pressure counter-blow hammer frame is detected; (b) signal with the detecting sensor collection transfers to treatment circuit, finishes in treatment circuit to the filtering of signal and to the analytical calculation of amplitude, frequency; (c) set up mathematical model between frame vibration amplitude, frequency and tup blow energy with experimental technique, in order to detect blow energy, adopt auxiliary frame vibration signal and the tup blow energy mathematical regression model model set up of magnetic railings ruler in this step.
Amplitude, the frequency of frame vibration meanwhile recorded by the detected ram velocity of magnetic induction sensor when record hydraulic pressure counter-blow hammer hit forging at every turn.Repeatedly hit forging, record the data of different blow energy lower bearing bracket vibration amplitudes, frequency and ram velocity, set up mathematical model between frame vibration amplitude, frequency and tup blow energy according to experimental data again, in order to calculate blow energy.
Claims (5)
1. the detection system of a hydraulic pressure counter-blow hammer blow energy, comprise several detecting sensors, treatment circuit, computing machine, magnetic railings ruler and magnetic induction sensor, described detecting sensor is fixed on the diverse location of hydraulic pressure counter-blow hammer frame, the vibrational state of frame during for detection of strike, described treatment circuit is used for finishing to the filtering of detecting sensor detection signal and to amplitude, the analytical calculation of frequency, comprise the Experimental modeling module in the described computing machine, adopt cable to be connected between described detecting sensor and the treatment circuit, described magnetic railings ruler is installed in the side of upper ram, described magnetic induction sensor is installed on the frame, and magnetic induction sensor read head normal induction magnetic railings ruler signal was as the criterion when the distance that described magnetic railings ruler and described magnetic induction sensor stagger was hit with upper ram.
2. the detection system of hydraulic pressure counter-blow hammer blow energy according to claim 1, it is characterized in that: described detecting sensor is piezoelectric acceleration transducer.
3. the detection system of hydraulic pressure counter-blow hammer blow energy according to claim 1 and 2, it is characterized in that: described treatment circuit is installed in the metal machine box.
4. the detection method of the detection system of the described hydraulic pressure counter-blow hammer of claims 1 to 3 blow energy, it is characterized in that: detect the vibration of frame by detecting sensor, the signal of detecting sensor output is processed amplitude, the frequency that obtains frame, the re-using experiment method is set up the mathematical model between frame vibration and tup blow energy, to realize the detection to blow energy, concrete steps are as follows:
(a) detecting sensor is installed on the counter-blow hammer frame, the vibration of hydraulic pressure counter-blow hammer frame is detected;
(b) signal with the detecting sensor collection transfers to treatment circuit, finishes in treatment circuit to the filtering of signal and to the analytical calculation of amplitude, frequency;
(c) set up mathematical model between frame vibration amplitude, frequency and tup blow energy with experimental technique, in order to detect blow energy.
5. the detection method of the detection system of hydraulic pressure counter-blow hammer blow energy according to claim 4 is characterized in that: adopt auxiliary frame vibration signal and the tup blow energy mathematical regression model model set up of magnetic railings ruler in the step (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012104462000A CN102937497A (en) | 2012-11-09 | 2012-11-09 | Method and system for detecting blow energy of hydraulic counter-blow hammer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104462000A CN102937497A (en) | 2012-11-09 | 2012-11-09 | Method and system for detecting blow energy of hydraulic counter-blow hammer |
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| CN102937497A true CN102937497A (en) | 2013-02-20 |
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| CN2012104462000A Pending CN102937497A (en) | 2012-11-09 | 2012-11-09 | Method and system for detecting blow energy of hydraulic counter-blow hammer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499461A (en) * | 2016-01-25 | 2016-04-20 | 安阳锻压机械工业有限公司 | Device for numerically controlling position of hammer and detecting impact energy in severe environments |
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| US3470731A (en) * | 1965-12-31 | 1969-10-07 | Leszek Zurawski | Measuring instrument for determining the energy of shocks of vibrating machines,especially of jolt-molding machines |
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| CN2078868U (en) * | 1989-10-16 | 1991-06-12 | 山东工业大学 | New-type kinematic parametre measuring instrument for forging machinery |
| US6273064B1 (en) * | 2000-01-13 | 2001-08-14 | Ford Global Technologies, Inc. | Controller and control method for an internal combustion engine using an engine-mounted accelerometer |
| CN1544180A (en) * | 2003-11-25 | 2004-11-10 | 南通工学院 | Intelligent control method for die hammer and intelligent die hammer produced according to said method |
| CN101975633A (en) * | 2010-09-16 | 2011-02-16 | 华南理工大学 | Method for measuring energizing force of engine by continuous refinement analytical Fourier transform method |
| CN201993167U (en) * | 2010-11-22 | 2011-09-28 | 柳松 | Wireless vibration sensing device |
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2012
- 2012-11-09 CN CN2012104462000A patent/CN102937497A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470731A (en) * | 1965-12-31 | 1969-10-07 | Leszek Zurawski | Measuring instrument for determining the energy of shocks of vibrating machines,especially of jolt-molding machines |
| CN2078868U (en) * | 1989-10-16 | 1991-06-12 | 山东工业大学 | New-type kinematic parametre measuring instrument for forging machinery |
| CN2067403U (en) * | 1990-05-24 | 1990-12-12 | 蒋家鸿 | impact energy calibration test device |
| US6273064B1 (en) * | 2000-01-13 | 2001-08-14 | Ford Global Technologies, Inc. | Controller and control method for an internal combustion engine using an engine-mounted accelerometer |
| CN1544180A (en) * | 2003-11-25 | 2004-11-10 | 南通工学院 | Intelligent control method for die hammer and intelligent die hammer produced according to said method |
| CN101975633A (en) * | 2010-09-16 | 2011-02-16 | 华南理工大学 | Method for measuring energizing force of engine by continuous refinement analytical Fourier transform method |
| CN201993167U (en) * | 2010-11-22 | 2011-09-28 | 柳松 | Wireless vibration sensing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105499461A (en) * | 2016-01-25 | 2016-04-20 | 安阳锻压机械工业有限公司 | Device for numerically controlling position of hammer and detecting impact energy in severe environments |
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Application publication date: 20130220 |