CN202517375U - Measuring device for temperature of grinding grains on surface of grinding wheel - Google Patents
Measuring device for temperature of grinding grains on surface of grinding wheel Download PDFInfo
- Publication number
- CN202517375U CN202517375U CN2012200096138U CN201220009613U CN202517375U CN 202517375 U CN202517375 U CN 202517375U CN 2012200096138 U CN2012200096138 U CN 2012200096138U CN 201220009613 U CN201220009613 U CN 201220009613U CN 202517375 U CN202517375 U CN 202517375U
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- China
- Prior art keywords
- grinding
- optical fiber
- infrared optical
- photoelectric sensor
- fiber sensor
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Abstract
The utility model relates to a measuring device for temperature of grinding grains on a surface of a grinding wheel. The measuring device comprises an infrared optical fiber sensor, a signal processing device, a light reflecting sheet, a noncontact type photoelectric sensor, a data acquisition card and a computer; the measuring device is characterized in that the light reflecting sheet of the photoelectric sensor is stuck to an external end face of a flange of the grinding wheel; the noncontact type photoelectric sensor is arranged in the position corresponding to the light reflecting sheet; the noncontact type photoelectric sensor is connected with the data acquisition card; the infrared optical fiber sensor is mounted close to a grinding contact area of the grinding wheel and a workpiece; the infrared optical fiber sensor is connected with the data acquisition card through the signal processing device; and the data acquisition card is connected with the computer. The measuring device can be used for measuring the temperature and distribution of the grinding grains on the surfaces of the grinding wheels in different sizes; an optimal grinding technological parameter is optimized and obtained by comparing test measuring results of the grinding grains of the grinding wheels under different grinding parameters and the highest temperature of the grinding grains; and the measuring device has a significance in increasing the grinding efficiency and grinding quality.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, especially a kind of measurement mechanism that is used to measure abrasive grinding wheel surface abrasive particle temperature.
Background technology
In the accurate grinding process, the abrasive particle on abrasive grinding wheel surface has material impact to abrasion of grinding wheel and cutting power.The part heat that is produced in the grinding can import the emery wheel abrasive particle into; Too much heat can cause the abrasive material premature failure; The ringing of thermal stress in process possibly make the hold between bond and the abrasive material weaken simultaneously, causes the improper of abrasive particle to come off.How effectively to measure wheel face abrasive particle temperature, significance is arranged improving emery wheel service life and improving grinding efficiency.Therefore, the real-time measurement apparatus that needs a kind of process medium plain emery wheel surface abrasive particle temperature.
Summary of the invention
The utility model is that a kind of abrasive grinding wheel surface abrasive particle temperature measuring equipment will be provided, and is used to realize the real-time measurement of process medium plain emery wheel surface abrasive particle temperature, effectively improves grinding efficiency and grinding quality.
For realizing above-mentioned purpose, the technical scheme of the utility model is: a kind of abrasive grinding wheel surface abrasive particle temperature measuring equipment comprises the infrared optical fiber sensor; Signal processing apparatus, reflecting piece, non-contact photoelectric sensor; Data collecting card, computer is characterized in: the reflecting piece of photoelectric sensor sticks on the grinding wheel flange outer face; And corresponding reflecting piece place is provided with a non-contact photoelectric sensor, non-contact photoelectric sensor and data acquisition card connection; The infrared optical fiber sensor is installed in the Grinding Contact district near emery wheel and workpiece, and the infrared optical fiber sensor is through signal processing apparatus and data acquisition card connection, data acquisition card connection computer.
The gauge head of infrared optical fiber sensor is perpendicular to wheel face, and the gauge head of infrared optical fiber sensor and wheel face distance are 100um.
The sample frequency of data collecting card is 100kHz.
The beneficial effect of the utility model is:
Surperficial abrasive particle temperature and abrasive particle that the utility model can be measured the different model emery wheel distribute.Through emery wheel abrasive particle experimental measurements under the more different grinding parameters and maximum abrasive particle temperature, can optimize the grinding process parameters that obtains the best, significant to improving grinding efficiency and grinding quality.
The utility model uses infrared optical fiber sensor and photoelectric sensor that the temperature of wheel face abrasive particle is measured, and has obtained good effect.
Description of drawings
Fig. 1 is an abrasive grinding wheel surface abrasive particle temperature measuring equipment sketch map;
Fig. 2 is an infrared optical fiber sensor scheme of installation;
Fig. 3 is a wheel face abrasive particle temperature measurement result sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done an into explanation.
As shown in Figure 1, the abrasive grinding wheel surface abrasive particle temperature measuring equipment of the utility model comprises infrared optical fiber sensor 3, signal processing apparatus 4, and reflecting piece 5, non-contact photoelectric sensor 6, data collecting card 7, computer 8 etc.,
The reflecting piece 5 of photoelectric sensor sticks on the grinding wheel flange 10 outer face b, and corresponding reflecting piece 5 places are provided with a non-contact photoelectric sensor 6, and non-contact photoelectric sensor 6 is connected with data collecting card 7; Infrared optical fiber sensor 3 is installed near the Grinding Contact district of emery wheel 2 with workpiece 9, and infrared optical fiber sensor 3 is connected with data collecting card 7 through signal processing apparatus 4, and data collecting card 7 connects computer 8.
The operation principle of infrared optical fiber sensor 3 is to utilize optical system to converge the target infrared energy in its visual field, and infrared energy focuses on and changes the corresponding signal of telecommunication on the photodetector into, becomes the temperature value of measured target with the signal treatment conversion through amplifier.The application of optical fiber can make infrared technique under harsh conditions, measure.
All is to begin from same starting point for accurately discerning trimming wheel 2 rotations same position weekly with infrared optical fiber sensor 3 collection emery wheels 2 revolution data; As shown in Figure 1; The non-contact photoelectric sensor 6 of a high frequency response being installed in emery wheel 2 sides is discerned; This non-contact photoelectric sensor 6 just sends a triggering signal when emery wheel 2 rotates to this position, and this triggering signal of computing is used for controlling and finishes emery wheel infrared optical fiber sensor 2 this week 3 signal data acquisition and begin emery wheel 2 next all infrared optical fiber sensor 3 signal data acquisition.
Before grinding, for effectively gathering the wheel face abrasive particle temperature signal in the Grinding Process, as shown in Figure 2, the fiber lengths of selecting infrared optical fiber sensor 3 for use is 2m; Infrared optical fiber sensor 3 gauge heads are installed in as far as possible near the Grinding Contact district of emery wheel 2 with workpiece 9, and infrared optical fiber sensor 3 gauge heads should be placed in back-out direction one side behind emery wheel 2 abrasive grain cuttings; Laying of infrared optical fiber sensor 3 gauge heads should be perpendicular to emery wheel 2 surfaces, and regulate gauge head and emery wheel 2 surface distances are 100um.
After infrared optical fiber sensor 3 and photoelectric sensor 6 be connected to data collecting card 7, be connected to computer 8.The sample frequency of setting the acoustic emission signal data collecting card is 100kHz.
During measurement, start lathe, it is V that emery wheel 2 rotating speeds are set
s, workpiece rotational frequency is V
wWith grinding depth be a
pCarry out the grinding experiment, through the grinding area temperature value of computer 8 record tests.Utilize the MATLAB software processes to calculate the temperature signal and the photo-sensor signal will of wheel face abrasive particle, as shown in Figure 3, for testing the surperficial abrasive particle temperature measurement result that abrasive grinding wheel rotates a circle.This abrasive particle Temperature Distribution situation has also been reacted the distribution characteristics of cutting abrasive particle along the emery wheel circumference; Maximum abrasive particle temperature T
MaxIt also is the important evidence of optimizing grinding parameter that grinding wheel performance is had direct influence; Through the repeatedly relatively emery wheel abrasive particle temperature and the distribution of different times of measurement, but effecting reaction goes out the wearing and tearing variable condition of wheel face abrasive particle.
Claims (3)
1. abrasive grinding wheel surface abrasive particle temperature measuring equipment; Comprise infrared optical fiber sensor (3), signal processing apparatus (4), reflecting piece (5); Non-contact photoelectric sensor (6); Data collecting card (7), computer (8) is characterized in that: the reflecting piece of said photoelectric sensor (5) sticks on grinding wheel flange (10) outer face (b); And corresponding reflecting piece (5) locates to be provided with a non-contact photoelectric sensor (6), and non-contact photoelectric sensor (6) is connected with data collecting card (7); Infrared optical fiber sensor (3) is installed near the Grinding Contact district of emery wheel (2) with workpiece (9), and infrared optical fiber sensor (3) is connected with data collecting card (7) through signal processing apparatus (4), and data collecting card (7) connects computer (8).
2. abrasive grinding wheel according to claim 1 surface abrasive particle temperature measuring equipment; It is characterized in that: the gauge head of said infrared optical fiber sensor (3) is perpendicular to emery wheel (2) surface, and the gauge head of infrared optical fiber sensor (3) and emery wheel (2) surface distance are 100um.
3. abrasive grinding wheel according to claim 1 surface abrasive particle temperature measuring equipment, it is characterized in that: the sample frequency of said data collecting card (7) is 100kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200096138U CN202517375U (en) | 2012-01-11 | 2012-01-11 | Measuring device for temperature of grinding grains on surface of grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200096138U CN202517375U (en) | 2012-01-11 | 2012-01-11 | Measuring device for temperature of grinding grains on surface of grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517375U true CN202517375U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200096138U Expired - Fee Related CN202517375U (en) | 2012-01-11 | 2012-01-11 | Measuring device for temperature of grinding grains on surface of grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202517375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528664A (en) * | 2012-01-11 | 2012-07-04 | 上海理工大学 | Temperature measuring device for abrasive particles of surfaces of grinding wheels |
| WO2015010460A1 (en) * | 2013-07-24 | 2015-01-29 | 中国矿业大学 | System for online monitoring metal abrasive grains in oil liquid and monitoring method therefor |
-
2012
- 2012-01-11 CN CN2012200096138U patent/CN202517375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528664A (en) * | 2012-01-11 | 2012-07-04 | 上海理工大学 | Temperature measuring device for abrasive particles of surfaces of grinding wheels |
| WO2015010460A1 (en) * | 2013-07-24 | 2015-01-29 | 中国矿业大学 | System for online monitoring metal abrasive grains in oil liquid and monitoring method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140111 |