CN111220707A - Automatic testing device for ultrasonic rebound value of platy ceramic - Google Patents
Automatic testing device for ultrasonic rebound value of platy ceramic Download PDFInfo
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Abstract
The invention provides an automatic testing device for ultrasonic rebound value of platy ceramic, which comprises: the device comprises a transmission fixing mechanism for transmitting and fixing the plate-shaped ceramic to be tested, a testing mechanism for carrying out ultrasonic detection and rebound value detection on the plate-shaped ceramic to be tested fixed on the transmission fixing mechanism, and a control mechanism for controlling the transmission fixing mechanism and the testing mechanism to operate; and the transmission fixing mechanism and the testing mechanism are in communication connection with the control mechanism. According to the invention, the transmission fixing mechanism is arranged to fix the plate-shaped ceramic to be detected, so that the conditions of slipping, angle deviation and the like can not occur in the rebound detection process, the test mechanism is arranged to detect the rebound value, the problem that the rebound angle, speed and the like are greatly influenced by human factors is solved, and the accuracy of the rebound value detection is improved; the control mechanism is arranged to automatically control the transmission fixing mechanism and the testing mechanism, so that the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ceramics, in particular to an automatic testing device for ultrasonic rebound values of platy ceramics.
Background
Among the prior art, when carrying out the resilience test to plate ceramic, need be by the manual operation resiliometer, can cause resilience angle, speed etc. to receive the great problem of human factor influence to the material can produce vibrations or remove, and resilience energy is dispersed, leads to resilience test can't accomplish or test data is inaccurate, can't accurately reflect the relevant mechanical properties of this sample. In addition, the ultrasonic testing technique is a non-destructive testing means for testing the surface and internal quality of a part, but due to the size limitation of the ultrasonic probe, the ultrasonic testing waveform is unstable due to the influence of the contact area, the angle and the like when the plate-shaped ceramic is tested, and the deviation of the testing data is large.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problem that the ultrasonic rebound value automatic testing device for the plate-shaped ceramic aims to solve the problem that the plate-shaped ceramic in the prior art is inaccurate in test data due to more influence factors during ultrasonic and rebound tests.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an automatic test device for ultrasonic rebound value of plate-shaped ceramic, which comprises: the device comprises a transmission fixing mechanism for transmitting and fixing the plate-shaped ceramic to be tested, a testing mechanism for carrying out ultrasonic detection and rebound value detection on the plate-shaped ceramic to be tested fixed on the transmission fixing mechanism, and a control mechanism for controlling the transmission fixing mechanism and the testing mechanism to operate; and the transmission fixing mechanism and the testing mechanism are in communication connection with the control mechanism.
Further, the transmission fixing mechanism includes: the device comprises a first transmission piece, a second transmission piece, a third transmission piece and a cylinder pressing piece; the first transmission piece is arranged on the first side of the second transmission piece, the third transmission piece is arranged on the third side of the second transmission piece, and the air cylinder pressing piece is arranged above the second transmission piece and used for pressing and fixing the plate-shaped ceramic to be detected placed on the second transmission piece; the first conveying piece is used for conveying the plate-shaped ceramic to be detected to the second conveying piece, and the second conveying piece is used for conveying the detected plate-shaped ceramic to the third conveying piece.
Further, the transmission fixing mechanism further includes: the second transmission piece is arranged in the experiment cabin, and the air cylinder compression piece is vertically arranged at the top of the experiment cabin; the cylinder compressing piece is also connected with an air pump.
Further, the first transmission member is a first transmission belt, the second transmission member is a second transmission belt, and the third transmission member is a third transmission belt; one side of the first conveying belt, which is parallel to the conveying direction, is provided with an adjustable baffle plate, and the adjustable baffle plate is used for adjusting the middle position of the plate-shaped ceramic to be measured, which is aligned to the second conveying belt.
Further, the test mechanism includes: an ultrasonic testing assembly and a rebound testing assembly; the ultrasonic testing assembly comprises: a horizontally arranged first slide rail disposed on a second side of the second transmission member, a first guide rod disposed on the first slide rail, an ultrasonic transmitter disposed on the first guide rod, a horizontally arranged second slide rail disposed on a fourth side of the second transmission member, a second guide rod disposed on the second slide rail, and an ultrasonic receiver disposed on the second guide rod; the ultrasonic transmitter and the ultrasonic receiver are oppositely arranged, and the centers of the ultrasonic transmitter and the ultrasonic receiver are on the same straight line.
Furthermore, a first air cylinder capable of moving up and down along the first guide rod is arranged on the first guide rod, and the ultrasonic emitter is arranged on the first air cylinder; and the second guide rod is provided with a second air cylinder which can move up and down along the second guide rod, and the ultrasonic receiver is arranged on the second air cylinder.
Further, the rebound testing assembly comprises: the third guide rod is arranged on the second slide rail, the third air cylinder is arranged on the third guide rod, and the resiliometer is arranged on the third air cylinder; the third cylinder can reciprocate along the third guide arm, and the third cylinder drives the resiliometer and translates along the second slide rail during flexible action.
Further, control mechanism sets up in the one side that first guide arm deviates from the second transmission piece, control mechanism includes: the control module is used for controlling the pressure and the switch of the air pump and the switch of the air cylinder, and the data processing module is used for acquiring the test data of the ultrasonic test assembly and the rebound test assembly and outputting the test result.
The invention also provides an automatic test method for the ultrasonic rebound value of the platy ceramic, which comprises the following steps:
the control mechanism receives a corresponding size instruction of the plate-shaped ceramic to be tested, adjusts the adjustable baffle on the first transmission piece, controls the first transmission piece to transmit the plate-shaped ceramic to be tested to the second transmission piece, and controls the air cylinder pressing piece to press the plate-shaped ceramic to be tested when a preset test position is reached;
adjusting the ultrasonic transmitter, the ultrasonic receiver and the resiliometer to be aligned with the central point of the thickness direction of the side edge of the plate-shaped ceramic to be detected, controlling the first air cylinder to drive the ultrasonic transmitter, controlling the second air cylinder to drive the ultrasonic receiver, and tightly pressing and fixing the ultrasonic transmitter and the ultrasonic receiver on the side edge of the plate-shaped ceramic to be detected;
controlling the ultrasonic transmitter and the ultrasonic receiver to start testing and acquire ultrasonic testing data, closing the first cylinder and the second cylinder, restoring to the original positions, controlling the first guide rod to drive the ultrasonic transmitter to move along the first slide rail, and controlling the second guide rod to drive the ultrasonic receiver to move along the second slide rail to move to the next point to be tested for testing;
controlling a resiliometer to perform a rebound test on the center position of the side edge of the plate-shaped ceramic to be tested according to a preset rule and collecting rebound value test data, recovering to an original position after the test is completed, controlling a third guide rod to drive the resiliometer to move to a next point to be tested along a second slide rail, and continuing to perform the test;
after the test is finished, controlling the air cylinder pressing piece to recover to the initial position, and transmitting the tested plate-shaped ceramic to a third transmission piece by the second transmission piece;
a data processing module in the control mechanism obtains ultrasonic test data and rebound value test data, obtains an ultrasonic data effective value and a rebound value data effective value through data processing, and obtains a mechanical property reference value of the plate-shaped ceramic through conversion.
The invention also provides a storage medium, wherein the storage medium stores a computer program which can be executed for realizing the automatic test method for the ultrasonic rebound value of the plate-shaped ceramic.
The invention provides an automatic testing device for ultrasonic rebound value of platy ceramic, which comprises: the device comprises a transmission fixing mechanism for transmitting and fixing the plate-shaped ceramic to be tested, a testing mechanism for carrying out ultrasonic detection and rebound value detection on the plate-shaped ceramic to be tested fixed on the transmission fixing mechanism, and a control mechanism for controlling the transmission fixing mechanism and the testing mechanism to operate; and the transmission fixing mechanism and the testing mechanism are in communication connection with the control mechanism. According to the invention, the transmission fixing mechanism is arranged to fix the plate-shaped ceramic to be detected, so that the conditions of slipping, angle deviation and the like can not occur in the rebound detection process, the test mechanism is arranged to detect the rebound value, the problem that the rebound angle, speed and the like are greatly influenced by human factors is solved, and the accuracy of the rebound value detection is improved; the control mechanism is arranged to automatically control the transmission fixing mechanism and the testing mechanism, so that the detection efficiency is improved.
Drawings
FIG. 1 is a front view of an automatic ultrasonic testing apparatus for testing the rebound value of a plate-shaped ceramic according to a preferred embodiment of the present invention.
FIG. 2 is a right side view of the apparatus for automatically testing the ultrasonic rebound value of the plate-shaped ceramic according to the present invention.
FIG. 3 is a flow chart of the method for automatically testing the ultrasonic rebound value of the plate-shaped ceramic in the invention.
Description of reference numerals:
11. a first transmission member; 12. a second transport member; 13. a third transport member; 14. a cylinder compression member; 15. an air pump; 16. a base; 21. a first guide bar; 22. a second guide bar; 23. an ultrasonic transmitter; 24. an ultrasonic receiver; 25. a first cylinder; 26. a second cylinder; 27. a third guide bar; 28. a third cylinder; 29. a rebound tester; 30. a control mechanism; 31. a first slide rail; 32. a second slide rail; 41. plate-shaped ceramics to be detected; 42. the plate-like ceramics were measured.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The large ceramic plate in the plate-shaped ceramic generally refers to plate-shaped ceramic with the upper surface area of more than or equal to 1.62 square meters, has the advantages of good integral decoration effect, few paving gaps, high flatness and the like, and is a future development trend of the ceramic industry. At present, the quality test of the plate-shaped ceramic is mainly based on the requirements of national standard GB/T23266-2009 plate-shaped ceramic and the like, and the test standard and method of the traditional ceramic tile are adopted. The fracture modulus and mechanical property test of the plate is mainly carried out by adopting destructive testing means or methods, and no widely accepted nondestructive testing method is adopted at home and abroad to represent destructive strength. In addition, for plate-shaped ceramics with large brittleness and small thickness, the conditions of slipping, angle deviation and the like can occur in the rebound detection process, so that the corner position of the sample is easily damaged, and the reuse of the material is influenced. The invention provides a nondestructive testing method for large plate-shaped ceramic plate by ultrasonic springback double-parameter detection, and aims to solve the problem of nondestructive testing in industrial production process. On the other hand, in order to produce large-size plate-shaped ceramics in batches in industrial production, the improvement of detection efficiency, the improvement of automation degree, the reduction of labor force of personnel and the like are considered, so that an automatic nondestructive testing device which is suitable for industrial continuous production and meets the requirements of carrying out ultrasonic and springback detection on the plate-shaped ceramics is needed, and the popularization, the application and the development of a nondestructive testing technology of a large plate-shaped ceramic are promoted.
Referring to fig. 1 and 2, the present invention provides an automatic ultrasonic testing apparatus for rebound value of plate-shaped ceramic, comprising: a transmission fixing mechanism, a testing mechanism and a control mechanism 30. Preferably, the control mechanism 30 is an automated control mechanism 30. The transmission fixing mechanism is used for transmitting and fixing the plate-shaped ceramic 41 to be detected; the testing mechanism is used for detecting the rebound value of the plate-shaped ceramic 41 to be tested which is fixed on the transmission fixing mechanism; the control mechanism 30 is used for controlling the operation of the transmission fixing mechanism and the test mechanism; and, the transmission fixing mechanism and the testing mechanism are both connected with the control mechanism 30 in communication.
According to the invention, the transmission fixing mechanism is arranged to fix the plate-shaped ceramic 41 to be detected, so that the conditions of slipping, angle deviation and the like can not occur in the rebound detection process, the material can not vibrate or move, and the condition that the corner position of the plate-shaped ceramic 41 to be detected is damaged to influence the reuse of the material can not be caused; the testing mechanism is arranged for detecting the resilience value, so that the problem that the resilience angle, the speed and the like are greatly influenced by human factors is solved, the problem that the resilience test cannot be completed or the test data is inaccurate and the relevant mechanical property of the sample cannot be accurately reflected is solved, and the accuracy of resilience value detection is improved; the control mechanism 30 is arranged to automatically control the transmission fixing mechanism and the testing mechanism, so that the detection efficiency is improved.
In one implementation, the transport fixture includes: the device comprises a first transmission piece 11, a second transmission piece 12, a third transmission piece 13 and a cylinder pressing piece 14; the first transmission piece 11 is arranged on a first side of the second transmission piece 12, the third transmission piece 13 is arranged on a third side of the second transmission piece 12, and the air cylinder pressing piece 14 is arranged above the second transmission piece 12 and used for pressing and fixing the plate-shaped ceramic 41 to be detected placed on the second transmission piece 12; the first transport member 11 is used for transporting the plate-shaped ceramic 41 to be tested to the second transport member 12, and the second transport member 12 is used for transporting the tested plate-shaped ceramic to the third transport member 13.
Further, the transmission fixing mechanism further includes: and the second transmission piece 12 is arranged in the experiment cabin. The experimental chamber had four sides and a top. The upper end surfaces of the first transmission member 11, the second transmission member 12 and the third transmission member 13 are located at the same horizontal plane, the first transmission member 11 is used for transmitting the plate-shaped ceramics 41 to be detected onto the second transmission member 12, and the second transmission member 12 is used for transmitting the detected plate-shaped ceramics onto the third transmission member 13; further, the third transfer member 13 is used for marking and factory transfer of the tested plate-shaped ceramics. Namely a first transfer member 11, a second transfer member 12. Preferably, a base 16 is arranged on the horizontal plane of the laboratory module, and the second transfer element 12 is arranged on the base 16. The first transmission piece 11 and the third transmission piece 13 are arranged outside the laboratory cabin. Therefore, the whole testing process is carried out in the experiment chamber, so that the testing condition is safely prevented from being influenced by other factors, the safety of the testing accuracy is improved, the plate-shaped ceramic 41 to be tested is conveniently placed on the first transmission piece 11, and the plate-shaped ceramic is also conveniently taken down from the third transmission piece 13.
The air cylinder pressing piece 14 is vertically arranged at the top of the experiment cabin; the air cylinder pressing piece 14 is also connected with an air pump 15. When the plate-shaped ceramic 41 to be tested reaches the test position, the cylinder pressing piece 14 is controlled to press and fix the plate-shaped ceramic 41 to be tested placed on the second transmission piece 12 by opening the cylinder on the cylinder pressing piece 14.
In one implementation, the first transfer member 11 is a first transfer belt, the second transfer member 12 is a second transfer belt, and the third transfer member 13 is a third transfer belt; one side of the first conveying belt parallel to the conveying direction is provided with an adjustable baffle plate, and the adjustable baffle plate is used for adjusting the middle position of the plate-shaped ceramic 41 to be measured to be aligned with the second conveying belt. Therefore, the plate-shaped ceramic 41 to be tested is directly placed on the first conveying belt, and can be aligned to the middle position of the second conveying belt, so that the test is convenient. Preferably, two second conveying belts are arranged in parallel and used for supporting the plate-shaped ceramic 41 to be measured and adjusting the position. Further, the two cylinder pressing pieces 14 are provided and correspond to the two second transmission belts one by one.
In one implementation, the testing mechanism includes: an ultrasonic testing assembly and a rebound testing assembly; the ultrasonic testing component is provided with a testing probe and a data collector, and specifically, the ultrasonic testing component comprises: a horizontally arranged first slide rail 31 disposed on a second side of the second transmission member 12, a first guide bar 21 disposed on the first slide rail 31, an ultrasonic transmitter 23 disposed on the first guide bar 21, a horizontally arranged second slide rail 32 disposed on a fourth side of the second transmission member 12, a second guide bar 22 disposed on the second slide rail, and an ultrasonic receiver 24 disposed on the second guide bar 22; the first guide rod can horizontally move back and forth along the first slide rail, the second guide rod can horizontally move back and forth along the second slide rail, the ultrasonic emitter 23 and the ultrasonic receiver 24 are oppositely arranged, and the centers of the two are positioned on the same straight line. Preferably, the data collector may be integrated on the ultrasonic testing body, and the ultrasonic transmitter 23 and the ultrasonic receiver 24 are connected to the ultrasonic testing body. The structures in the ultrasonic testing assembly are all arranged in the experiment cabin.
Further, a first cylinder 25 capable of moving up and down along the first guide rod 21 is arranged on the first guide rod 21, and the ultrasonic emitter 23 is arranged on the first cylinder 25; the second guide rod 22 is provided with a second cylinder 26 capable of moving up and down along the second guide rod 22, and the ultrasonic receiver 24 is arranged on the second cylinder 26. Preferably, the first cylinder 25 and the second cylinder 26 are both telescopic cylinders. Preferably, the ultrasonic transmitter 23 is driven by a first air cylinder 25 to move back and forth, and the ultrasonic receiver 24 is driven by a second air cylinder 26 to move back and forth, i.e., along the Y-axis. That is, the ultrasonic transmitter 23 and the ultrasonic receiver 24 can move in three axes, and precisely reach the position of the point to be measured.
In one implementation, the rebound testing assembly includes: a third guide rod 27, a third cylinder 28 and a rebound tester 29. A data collector of a resiliometer 29 is also included, integrated in the control mechanism 30. The third guide rod 27 is arranged on the second slide rail, the third cylinder 28 is arranged on the third guide rod 27, and the resiliometer 29 is arranged on the third cylinder 28. The third cylinder 28 can move up and down along the third guide bar 27 and drive the resiliometer 29 to translate along a second sliding track. In this way, the third guide bar 27 achieves a horizontal movement, i.e. a movement along the X-axis. The third cylinder 28 can drive the resiliometer 29 thereon to move along the Y-axis and the Z-axis. That is, the resiliometer 29 can move in three axes, precisely reach the position of the point to be measured and perform the measurement in a reciprocating motion. In one implementation, the control mechanism 30 is disposed on a side of the first guide bar 21 facing away from the second transmission member 12, and the control mechanism 30 includes: the device comprises a control module and a data processing module. The control module can control the pressure and the switch of the air pump 15 and the switch of the air cylinder, and control the cross positioning sliding table 28 to drive the resiliometer 29 to move horizontally or vertically according to the related requirements of the rebound test and the set speed. The data processing module is used for acquiring test data of the ultrasonic test assembly and the rebound test assembly and outputting a test result. Further, the test results include: rebound value, ultrasonic test data and mechanical property reference result.
Referring to fig. 3, the present invention further provides an automatic testing method for ultrasonic rebound value of plate-shaped ceramic, comprising:
s100, the control mechanism receives a corresponding size instruction of the plate-shaped ceramic to be tested, adjusts an adjustable baffle plate on the first transmission piece, controls the first transmission piece to transmit the plate-shaped ceramic to be tested to the second transmission piece, and controls the air cylinder pressing piece to press the plate-shaped ceramic to be tested when a preset test position is reached.
Specifically, a tester inputs the size of the plate-shaped ceramic into the control mechanism 30, the control mechanism 30 adjusts the position of the adjustable baffle according to the size of a sample to be tested, the tester or the feeding device places the plate-shaped ceramic 41 to be tested on a first transmission belt, and enables one side edge of the plate-shaped ceramic to be tested to abut against the baffle to be aligned, so that the plate-shaped ceramic 41 to be tested is aligned to the middle position of the belt and is transmitted to a second transmission belt in an experimental cabin, and then the plate-shaped ceramic is transmitted to an ultrasonic rebound preset test position. Then, the air cylinder on the air cylinder pressing piece 14 is started, and the air cylinder pressing piece 14 presses the plate-shaped ceramic 41 to be detected, so that the plate-shaped ceramic 41 to be detected is pressed and fixed on the second conveying belt.
S200, adjusting the ultrasonic emitter, the ultrasonic receiver and the resiliometer to the position of the central point in the thickness direction of the side edge of the plate-shaped ceramic to be detected, controlling the first cylinder to drive the ultrasonic emitter, controlling the second cylinder to drive the ultrasonic receiver, and pressing and fixing the ultrasonic emitter and the ultrasonic receiver on the side edge of the plate-shaped ceramic to be detected.
Specifically, the first guide rod 21, the second guide rod 22 and the third guide rod 27 are controlled to move, and the ultrasonic emitter 23, the ultrasonic receiver 24 and the resiliometer 29 are respectively adjusted to be aligned with the center point of the plate-shaped ceramic side in the thickness direction.
After the position is adjusted, the test is started, and the first air cylinder 25 and the second air cylinder 26 are opened, so that the ultrasonic emitter 23 and the ultrasonic receiver 24 are tightly pressed and fixed on the side edge of the plate-shaped ceramic 41 to be tested.
S300, controlling the ultrasonic transmitter and the ultrasonic receiver to start testing and acquire ultrasonic testing data, closing the first air cylinder and the second air cylinder, restoring to the original positions, controlling the first guide rod to drive the ultrasonic transmitter to move along the first slide rail, and controlling the second guide rod to drive the ultrasonic receiver to move along the second slide rail to move to a next point to be tested for testing.
Specifically, the ultrasonic test is started and the ultrasonic test data is collected, the first air cylinder 25 and the second air cylinder 26 are closed and restored to the original positions, the first guide rod 21 and the second guide rod 22 are controlled to move to the next measuring point for testing, the central points of the ultrasonic transmitter 23 and the ultrasonic receiver 24 are kept on the same straight line in the moving process, and the ultrasonic test data is stored in a data processing module in the control mechanism 30 to be processed. After the test is completed, the first guide bar 21, the ultrasonic transmitter 23, the second guide bar 22, and the ultrasonic receiver 24 are restored to the original positions.
S400, controlling the resiliometer to perform rebound test on the center position of the side edge of the plate-shaped ceramic to be tested according to a preset rule and collecting rebound value test data, recovering to the original position after the test is completed, controlling the third guide rod to drive the resiliometer to move to the next point to be tested along the second slide rail, and continuing to perform the test.
Specifically, the springback test is started, the springback instrument 29 is controlled by the third cylinder 28, and the springback test is performed on the center position of the side edge of the plate-shaped ceramic 41 to be tested according to the standard operation method. Firstly, a measuring rod of a resiliometer 29 is contacted with a plate-shaped ceramic side edge point to be measured, then, pressure is slowly applied to perform a rebound test, an original position is recovered after the test is finished, translation is performed according to a system set distance, the next measuring point on the side edge is tested, the rebound value test is performed by repeating the steps, a plurality of measuring points on the side edge of the plate-shaped ceramic are tested, and the rebound value test data of the plate-shaped ceramic are obtained.
S500, after the test is finished, the air cylinder pressing piece is controlled to recover to the initial position, and the second transmission piece transmits the tested plate-shaped ceramic to the third transmission piece.
Specifically, after the test is completed, the air cylinder on the air cylinder pressing member 14 is closed, the second conveying belt conveys the measured plate-shaped ceramic 42 to the measured sample through the third conveying belt and disposes the measured sample, and the next sample is tested according to the above steps.
S600, a data processing module in the control mechanism obtains ultrasonic test data and rebound value test data, an ultrasonic data effective value and a rebound value data effective value are obtained through data processing, and a mechanical property reference value of the plate-shaped ceramic is obtained through conversion.
In addition, when the system does not store the testing method with the corresponding specification, a tester can set the size data of the testing sample with the specification according to the steps, the automatic control mechanism 30 can automatically adjust the positions and the programs of the ultrasonic testing probe and the resiliometer 29 through calculation, so that the automatic, continuous and rapid testing of the mechanical properties of the batch plate-shaped ceramics can be realized, and the samples with abnormal testing data, unsatisfactory mechanical properties or large deviation can be monitored and processed in real time.
An example is listed below, the test procedure is as follows:
step S1, a batch of ceramic large plate samples with the plate-shaped ceramic sample size of 1200mm x 1200mm to be measured are taken, the size of the ceramic large plate samples is input into a system of an automatic control mechanism, and the system automatically adjusts the position of a sample baffle according to the size of the plate-shaped ceramic samples;
s2, placing the sample on a first transmission belt, enabling one side edge of the first transmission belt to abut against the baffle to be aligned, starting an automatic detection program, starting the first transmission belt, transmitting the sample to a second transmission belt in the experiment cabin, and transmitting the sample to a test area by the second transmission belt;
step S3, opening an air cylinder of an air cylinder pressing piece to press and fix a sample on a second transmission belt, and adjusting an ultrasonic emitter and an ultrasonic receiver to be aligned with the center point of the thickness direction of the side edge of the plate-shaped ceramic and to be about 10mm away from the edge of the side edge by a first guide rod and a second guide rod respectively;
step S4, opening the first cylinder and the second cylinder, pressing and fixing the ultrasonic emitter and the ultrasonic receiver on the side of the plate-shaped ceramic, opening the ultrasonic test and collecting the test data of the test point; after the test is finished, closing the first cylinder and the second cylinder, recovering to the original positions, translating the first guide rod and the second guide rod by about 20mm to a next measuring point for testing, and keeping the central points of the ultrasonic transmitter and the receiver in the same straight line in the moving process; the data obtained by the third test is recorded and stored by a system in the automatic control mechanism, and the first guide rod, the ultrasonic emitter, the second guide rod and the ultrasonic receiver are restored to the initial positions after the test is finished;
step S5, starting a rebound test, moving the resiliometer to a position where the measuring rod is aligned with the measuring point through a third guide rod, enabling the measuring rod of the resiliometer to contact with the point to be measured on the side of the ceramic large panel through the action of a third air cylinder, and then slowly moving and pressing the sample to perform the rebound test; after the test is finished, obtaining the rebound value data of the test point, and enabling the resiliometer to retreat back to the initial position and recover to a state to be tested; then, the third guide rod is translated by 10mm to the next measuring point, the steps are repeated to carry out springback value test, and 7 springback value data are obtained for the ceramic large plate sample;
step S6, the sample is tested, the cylinder of the cylinder pressing piece is closed, the second transmission belt transports the sample to the tested sample position for stacking and marking, and the next sample is tested according to the steps;
and step S7, the data processing system collects and obtains the ultrasonic test data and the rebound value test data of the ceramic panel, obtains the effective values of the ultrasonic test data and the rebound value data of the sample through data processing, and obtains the reference value of the relevant mechanical property of the ceramic panel through conversion.
In summary, the present invention solves the following problems: firstly, the problem that the rebound angle, the speed and the like are greatly influenced by human factors due to the fact that a resiliometer is operated by hands in the traditional rebound test is solved; similarly, when ultrasonic testing is performed, the influence of the surface condition of the material or the position of the test point may be caused, and further, the repeatability and the accuracy of the test result are obviously influenced. Secondly, the traditional resilience detection is to the concrete member that has already been moulded and fixed and detects, and when carrying out the resilience detection to single not fixed slabby ceramic sample, the sample can take place vibrations or removal when receiving the measuring rod striking that kick-backs, and stability is relatively poor. The invention can solve the stability of the test sample during testing and has higher test reproducibility. Third, the probe of the present ultrasonic detector for inorganic materials is large in size, mainly facing to a member with a large size, while for plate-shaped ceramics with a small thickness, the test waveform fluctuation is large, the test reproducibility is poor, and the validity of the test data is poor. Fourthly, aiming at the large batch of plate-shaped ceramic plates produced in the industrialized production, the traditional method is to carry out sampling inspection in proportion, the reflected batch of plate-shaped ceramic plates have certain limitations on the performance, the detection process and the detection process are complicated, the labor intensity of personnel is high, and the automation degree is low. The invention effectively solves the problems, improves the testing efficiency and realizes the rapid and continuous mechanical property test of a large amount of plate-shaped ceramics.
The invention also provides a storage medium storing a computer program executable for implementing the automatic test method for ultrasonic rebound value of plate-shaped ceramic as described above; as described above.
In summary, the automatic ultrasonic rebound value testing device for the platy ceramic disclosed by the invention has the following effects: firstly, a test sample is tested under a constant condition, and a test instrument is controlled by setting a mechanical automation program, so that the plate-shaped ceramic test sample is tested under a stable and uniform condition, the test precision and the data validity are ensured, and the influence on the detection data caused by manual operation is avoided; secondly, the testing device integrates ultrasonic testing and rebound testing, automatic testing can be carried out only by carrying out preliminary position adjustment on the size of a sample, the labor intensity of operators is reduced, and the material performance detection efficiency is improved; and thirdly, the testing device is suitable for product quality inspection in the industrial production process of the plate-shaped ceramic large plate, and can realize automatic, continuous and rapid mechanical property nondestructive detection and verification aiming at the mass product quality.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a slabby ceramic supersound resilience value automatic testing arrangement which characterized in that includes: the device comprises a transmission fixing mechanism for transmitting and fixing the plate-shaped ceramic to be tested, a testing mechanism for carrying out ultrasonic detection and rebound value detection on the plate-shaped ceramic to be tested fixed on the transmission fixing mechanism, and a control mechanism for controlling the transmission fixing mechanism and the testing mechanism to operate; and the transmission fixing mechanism and the testing mechanism are in communication connection with the control mechanism.
2. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 1, wherein the transmission fixing mechanism comprises: the device comprises a first transmission piece, a second transmission piece, a third transmission piece and a cylinder pressing piece; the first transmission piece is arranged on the first side of the second transmission piece, the third transmission piece is arranged on the third side of the second transmission piece, and the air cylinder pressing piece is arranged above the second transmission piece and used for pressing and fixing the plate-shaped ceramic to be detected placed on the second transmission piece; the first conveying piece is used for conveying the plate-shaped ceramic to be detected to the second conveying piece, and the second conveying piece is used for conveying the detected plate-shaped ceramic to the third conveying piece.
3. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 2, wherein the transmission fixing mechanism further comprises: the second transmission piece is arranged in the experiment cabin, and the air cylinder compression piece is vertically arranged at the top of the experiment cabin; the cylinder compressing piece is also connected with an air pump.
4. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 2, wherein the first transmission member is a first transmission belt, the second transmission member is a second transmission belt, and the third transmission member is a third transmission belt; one side of the first conveying belt, which is parallel to the conveying direction, is provided with an adjustable baffle plate, and the adjustable baffle plate is used for adjusting the middle position of the plate-shaped ceramic to be measured, which is aligned to the second conveying belt.
5. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 2, wherein the testing mechanism comprises: an ultrasonic testing assembly and a rebound testing assembly; the ultrasonic testing assembly comprises: a horizontally arranged first slide rail disposed on a second side of the second transmission member, a first guide rod disposed on the first slide rail, an ultrasonic transmitter disposed on the first guide rod, a horizontally arranged second slide rail disposed on a fourth side of the second transmission member, a second guide rod disposed on the second slide rail, and an ultrasonic receiver disposed on the second guide rod; the first guide rod can horizontally move back and forth along the first sliding rail, the second guide rod can horizontally move back and forth along the second sliding rail, the ultrasonic emitter and the ultrasonic receiver are oppositely arranged, and the centers of the ultrasonic emitter and the ultrasonic receiver are positioned on the same straight line.
6. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 5, wherein the first guide rod is provided with a first air cylinder which can move up and down along the first guide rod, and the ultrasonic emitter is arranged on the first air cylinder; and the second guide rod is provided with a second air cylinder which can move up and down along the second guide rod, and the ultrasonic receiver is arranged on the second air cylinder.
7. The automatic ultrasonic testing device for the rebound value of the plate-shaped ceramic according to claim 5, wherein the rebound testing assembly comprises: the third guide rod is arranged on the second slide rail, the third air cylinder is arranged on the third guide rod, and the resiliometer is arranged on the third air cylinder; the third cylinder can reciprocate along the third guide arm, and the third cylinder drives the resiliometer and translates along the second slide rail during flexible action.
8. The automatic testing device for ultrasonic rebound values of plate-shaped ceramics according to claim 5, wherein the control mechanism is arranged on a side of the first guide rod facing away from the second transmission member, and the control mechanism comprises: the control module is used for controlling the pressure and the switch of the air pump and the switch of the air cylinder, and the data processing module is used for acquiring the test data of the ultrasonic test assembly and the rebound test assembly and outputting the test result.
9. An automatic test method for ultrasonic rebound values of plate-shaped ceramics is characterized by comprising the following steps:
the control mechanism receives a corresponding size instruction of the plate-shaped ceramic to be tested, adjusts the adjustable baffle on the first transmission piece, controls the first transmission piece to transmit the plate-shaped ceramic to be tested to the second transmission piece, and controls the air cylinder pressing piece to press the plate-shaped ceramic to be tested when a preset test position is reached;
adjusting the ultrasonic transmitter, the ultrasonic receiver and the resiliometer to be aligned with the central point of the thickness direction of the side edge of the plate-shaped ceramic to be detected, controlling the first air cylinder to drive the ultrasonic transmitter, controlling the second air cylinder to drive the ultrasonic receiver, and tightly pressing and fixing the ultrasonic transmitter and the ultrasonic receiver on the side edge of the plate-shaped ceramic to be detected;
controlling the ultrasonic transmitter and the ultrasonic receiver to start testing and acquire ultrasonic testing data, closing the first cylinder and the second cylinder, restoring to the original positions, controlling the first guide rod to drive the ultrasonic transmitter to move along the first slide rail, and controlling the second guide rod to drive the ultrasonic receiver to move along the second slide rail to move to the next point to be tested for testing;
controlling a resiliometer to perform a rebound test on the center position of the side edge of the plate-shaped ceramic to be tested according to a preset rule and collecting rebound value test data, recovering to an original position after the test is completed, controlling a third guide rod to drive the resiliometer to move to a next point to be tested along a second slide rail, and continuing to perform the test;
after the test is finished, controlling the air cylinder pressing piece to recover to the initial position, and transmitting the tested plate-shaped ceramic to a third transmission piece by the second transmission piece;
a data processing module in the control mechanism obtains ultrasonic test data and rebound value test data, obtains an ultrasonic data effective value and a rebound value data effective value through data processing, and obtains a mechanical property reference value of the plate-shaped ceramic through conversion.
10. A storage medium, characterized in that the storage medium stores a computer program executable for implementing the automatic test method for ultrasonic rebound value of ceramic plate according to claim 9.
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