Comprehensive detection device for neodymium iron boron block body
Technical Field
The invention relates to the field of detection equipment, in particular to a comprehensive detection device for a neodymium iron boron block.
Background
The neodymium iron boron permanent magnet material is widely applied to the fields of automobile industry, wind power generation, energy-saving household appliances, energy-saving elevators, medical equipment, consumer electronics and the like, the detection of geometric and orientation indexes of neodymium iron boron blocks still depends on the judgment of qualification or not by using special measuring tools manually at present, the serial measurement mode is time-consuming and labor-consuming, data is inconvenient to collect, further detailed geometric characteristics and process capability of products cannot be obtained through visualization and analysis of the data, and the improvement and optimization of the existing production process are not facilitated.
Manual detection in the prior art exists: time and labor are wasted, and data collection is inconvenient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a comprehensive testing device that neodymium iron boron massing body was used, the artifical detection of solving in the technique exists: time and labor are wasted, and data collection is inconvenient.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a comprehensive detection device for a neodymium iron boron block body comprises a vibration isolation platform, wherein a reference block used for supporting the neodymium iron boron block body to be detected is fixedly arranged on the vibration isolation platform, two pin shafts arranged at intervals are fixedly arranged on the top surface of the reference block in a perpendicular mode, a power assembly is further arranged on the vibration isolation platform, the extension end of the power assembly moves to push the neodymium iron boron block body to be detected placed on the vibration isolation platform to be pressed and tightly arranged on the two pin shafts, a point laser displacement sensor A and a point laser displacement sensor B arranged at intervals are hung right above the installation position of the neodymium iron boron block body, the point laser displacement sensor A and the point laser displacement sensor B are matched to detect the heights of different positions of the neodymium iron boron block body, whether the height change is uniform can be judged through the height values of the different positions, a point laser displacement sensor C is arranged at the central position of the installation position of the neodymium iron boron block body, which is close to one side of the pin shafts, keep away from round pin axle one side and set up wired laser displacement sensor, detect the central thickness and the straightness that hangs down of neodymium iron boron block through point laser displacement sensor C and the cooperation of line laser displacement sensor, still install eddy current sensor A and eddy current sensor B on two inequality faces that neodymium iron boron block mounted position corresponds respectively, detect the magnetic permeability of neodymium iron boron block through the cooperation of eddy current sensor A and eddy current sensor B, through the magnetic permeability that detects different positions, can judge whether the magnetic permeability difference satisfies the requirement, the trade is called the orientation with the magnetic permeability change usually, the orientation change can not exceed the value of settlement.
The power assembly is supported and fixed on the vibration isolation platform through the power assembly mounting plate, and a push plate is fixed on the extending end of the power assembly.
The power assembly adopts any one of a hydraulic cylinder, an air cylinder or an electric push rod.
The point laser displacement sensor A and the point laser displacement sensor B are fixedly installed on the point laser displacement sensor installation plate, and the point laser displacement sensor installation plate is supported on the vibration isolation platform through two stand columns A and B which are arranged at intervals.
The benchmark piece on dig and be equipped with the U-shaped recess, point laser displacement sensor C run through and install on the vibration isolation platform behind the U-shaped recess, point laser displacement sensor C also can the direct mount on the vibration isolation platform, point laser displacement sensor C is far away from waiting to detect the neodymium iron boron block distance like this, point laser displacement sensor C is disturbed by other parts easily when detecting.
The linear laser displacement sensor is supported on the vibration isolation platform through the linear laser displacement sensor mounting plate.
The eddy current sensor A penetrates through the pin shaft A and is attached to the neodymium iron boron block to be detected.
And the eddy current sensor B penetrates through the reference block and is attached to the neodymium iron boron block body to be detected.
The joint plane is processed at the joint position of the pin shaft and the neodymium iron boron block body.
The invention has the beneficial effects that: according to the invention, two height values of the neodymium iron boron block can be respectively measured by the point laser displacement sensor A and the point laser displacement sensor B, the verticality of the neodymium iron boron block can be measured by the line laser displacement sensor, the thickness of the central position of the neodymium iron boron block can be measured by the line laser displacement sensor and the point laser displacement sensor C, the change of the magnetic conductivity of the neodymium iron boron block can be judged by the measurement values of the eddy current sensor A and the eddy current sensor B to be the orientation of the neodymium iron boron block which is generally called in the industry, the laser displacement sensor and the eddy current sensor are used as measuring heads, the single-station multi-index parallel measurement of the neodymium iron boron block is realized, and the data can be automatically collected.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of fig. 1 from a rear perspective according to the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Graphic notation: 1. neodymium iron boron block, 2, cylinder push pedal, 3, point laser displacement sensor A, 4, point laser displacement sensor mounting panel, 5, stand A, 6, point laser displacement sensor B, 7, line laser displacement sensor, 8, line laser displacement sensor mounting panel, 9, vibration isolation platform, 10, cylinder mount pad, 11, stand B, 12, cylinder, 13, round pin axle A, 14, benchmark piece, 15, eddy current sensor A, 16, point laser displacement sensor C, 17, round pin axle B, 18, eddy current sensor B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a comprehensive testing device that neodymium iron boron block body was used, including vibration isolation platform 9, fixed mounting has the benchmark piece 14 that is used for supporting the neodymium iron boron block body 1 who waits to detect on the vibration isolation platform 9, it is perpendicular 14 top surface fixed mounting of benchmark piece has round pin axle A13 and round pin axle B17 that the interval set up, still install cylinder mount pad 10 on the vibration isolation platform 9, fixed mounting has cylinder 12 on the cylinder mount pad 10, install cylinder push pedal 2 on the end that stretches out of cylinder 12, the neodymium iron boron block body 1 who waits to detect that places on the 2 motion promotion vibration isolation platform 9 of cylinder push pedal compresses tightly the subsides and establishes on round pin axle A13 and round pin axle B17, all process on round pin axle A13 and round pin axle B17 with neodymium iron boron block body laminating position and have the laminating plane in order to guarantee that the laminating closely avoids rocking, hang directly over neodymium iron boron block 1 mounting position and separate point laser displacement sensor A3 and point laser displacement sensor B6 that sets up, point laser displacement sensor A3 and point laser displacement sensor B6 fixed mounting are at some laser displacement sensor On the plate 4, the point laser displacement sensor mounting plate 4 is supported on the vibration isolation platform 9 through two columns A5 and B11 which are arranged at intervals.
Point laser displacement sensor A3 and point laser displacement sensor B6 cooperate and detect the height of neodymium iron boron block different positions, and height value through different positions can judge whether height variation is even.
Neodymium iron boron block 1 mounted position is close to the central point of round pin axle A13 one side and puts and is provided with some laser displacement sensor C16, dig on the benchmark piece 14 and be equipped with the U-shaped recess, some laser displacement sensor C16 install on vibration isolation platform 9 after running through the U-shaped recess, keep away from round pin axle A13 one side and set up wired laser displacement sensor 7, line laser displacement sensor 7 supports on vibration isolation platform 9 through line laser displacement sensor mounting panel 8, through the cooperation of some laser displacement sensor C16 and line laser displacement sensor 7 detect neodymium iron boron block's central thickness and straightness that hangs down, still install eddy current sensor A15 and eddy current sensor B18 on the corresponding two different faces of neodymium iron boron block mounted position respectively, eddy current sensor A15 run through round pin axle A13 and paste and establish on waiting to detect neodymium iron boron block 1, eddy current sensor B18 runs through the benchmark piece and pastes and establishes on waiting to detect neodymium iron boron block 1, the magnetic permeability of the neodymium iron boron block is detected through the cooperation of the eddy current sensor A15 and the eddy current sensor B18, whether the magnetic permeability difference value meets the requirement or not can be judged through detecting the magnetic permeability of different positions, the magnetic permeability change is generally called as orientation in the industry, and the orientation change cannot exceed a set value.
Principle of measurement
Firstly, a known dimension is heightHThickness ofTVerticality of a beamVAnd the calibration block with correct orientation is placed on the reference block, the air cylinder drives the air cylinder push plate to tightly press the calibration block on the pin shaft A and the pin shaft B, and the value of the point laser displacement sensor A is recordedH A Value of the spot laser displacement sensor BH B Value of the point laser displacement sensor CT C Value of middle setting area of linear laser displacement sensorT M Value of upper set area of linear laser displacement sensorT U Value of lower set area of linear laser displacement sensorT D Value of the eddy current sensor AE A And the value of the eddy current sensor BE B 。
Then, the neodymium iron boron block to be detected is placed on the reference block through the manipulator of the previous procedure, the cylinder drives the cylinder push plate to compress the neodymium iron boron block on the pin shaft A and the pin shaft B, and the value of the point laser displacement sensor A is recordedh A . Value of the point laser displacement sensor Bh B Value of the point laser displacement sensor Ct C Value of middle setting area of linear laser displacement sensort M Value of upper set area of linear laser displacement sensort U Value of lower set area of linear laser displacement sensort D Value of the eddy current sensor Ae A And the value of the eddy current sensor Be B 。
Final pass typeH+H A -h A Calculating a height of the Nd-Fe-B block body by passing throughH+H B -h B Calculating the other height of the neodymium iron boron block body; passing through typeT+T C +T M -t C -t M Calculating the thickness of the center position of the neodymium iron boron block; passing through typeV+T U - T D -t U +t D Calculating the verticality of the neodymium iron boron block; passing through typeE A -E B -e A +e B And judging the change of the magnetic conductivity of the neodymium iron boron block, namely the orientation of the neodymium iron boron block.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.