Performance testing device for piezoelectric ceramic ring of underwater acoustic transducer

Abstract

The utility model belongs to the technical field of piezoelectric ceramic ring detection, and particularly discloses a performance testing device for a piezoelectric ceramic ring of an underwater acoustic transducer, which comprises a cabinet body, and a feeding assembly, a testing table and a receiving assembly are arranged at the top of the cabinet body; a plurality of detection stations are uniformly arranged on the test bench, a plurality of test heads are arranged on the outer side of the rotary table, the test heads are matched with the detection stations in position, and the test heads are connected with piezoelectric ceramic ring test components and are used for acquiring test parameters; the feeding assembly is used for conveying a piezoelectric ceramic ring to be detected to a detection station; the material collecting assembly comprises a taking part and a collecting part, and the taking part is used for moving the tested piezoelectric ceramic rings from the detection station to the collecting part. According to the utility model, the feeding assembly, the test bench and the material receiving assembly are integrated on the test working surface, so that the whole structure of the test device is compact, automatic feeding detection and automatic material receiving of the piezoelectric ceramic ring are realized through the arrangement of the feeding assembly and the material receiving assembly, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to piezoelectric ceramic ring detection technical field, especially related to a kind of performance testing device of piezoelectric ceramic ring of underwater acoustic transducer. BACKGROUND

[0002] With the rapid development of underwater detection technology, as underwater acoustic transducer is the key equipment of underwater communication, detection and positioning, the stability and reliability of its performance are extremely important. As the core material of underwater acoustic transducer, piezoelectric ceramic ring is mainly used to realize the mutual conversion of electrical signal and acoustic signal in the working process of transducer, and its performance parameters such as resonance frequency, impedance and capacitance directly affect the performance indicators such as output characteristics and working bandwidth of underwater acoustic transducer. In the batch production process of existing underwater acoustic transducer, in order to realize the classification use and optimization matching of ceramic rings in different performance intervals, the resonance frequency, resonance point impedance and capacitance and other parameters of piezoelectric ceramic ring are tested by artificial, and ceramic ring is classified according to classification rules one by one. When detecting the traditional piezoelectric ceramic ring, the piezoelectric ceramic ring needs to be placed on the detection station by artificial, because the piezoelectric ceramic ring needs to be detected in multiple parameters, so it needs to be moved to another detection area after one parameter detection is completed. Artificial testing method is not only low in efficiency, but also prone to misplacement, which leads to inaccurate test results. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the defects in prior art, and provides a kind of performance testing device of piezoelectric ceramic ring of underwater acoustic transducer.

[0004] The utility model provides a kind of performance testing device of piezoelectric ceramic ring of underwater acoustic transducer, including cabinet, piezoelectric ceramic ring test component is placed in the cabinet, and the top of cabinet is test working surface;The test working surface is provided with feeding assembly, test table and receiving component;

[0005] The test table includes drive box and rotary table, the drive box is used to drive the rotary table to rotate, a plurality of detection stations are evenly arranged on the rotary table, and a plurality of test heads are arranged on the outer side of the rotary table, the position of the test head is adapted to the detection station, and the test head is connected with the piezoelectric ceramic ring test component, for obtaining test parameter;

[0006] The feeding assembly is used to send the piezoelectric ceramic ring to be tested to the detection station;

[0007] The receiving component includes taking part and collecting part, and the taking part is used to move the piezoelectric ceramic ring after testing from the detection station to the collecting part.

[0008] Further, the feeding assembly comprises a first feeding module and a feeding box, the feeding box is located on the first feeding module, and the first feeding module is used to drive the feeding box to move along the first feeding module;

[0009] One side of the first feeding module is provided with a support plate, one side of the top of the support plate is provided with a feeding guide rail, the other side of the top of the support plate is provided with a driving cylinder, a feeding base is slidably arranged on the feeding guide rail, the bottom of the feeding base is provided with a feeding suction nozzle, one side of the feeding base is connected with the output end of the driving cylinder, and the feeding base slides along the feeding guide rail under the action of the driving cylinder; the position of the feeding suction nozzle is adapted to the feeding box, and is used to suck the piezoelectric ceramic ring.

[0010] Further, a plurality of accommodation cavities are arranged in the feeding box, and are used to place the piezoelectric ceramic rings to be tested, a second through hole is formed in the bottom of each accommodation cavity, and a first through hole corresponding to the second through hole is formed in the test working surface;

[0011] The feeding assembly further comprises a second feeding module, the second feeding module is located in the cabinet and is fixedly connected with the top of the cabinet, a jacking guide rail is arranged on the second feeding module, a jacking support is slidably arranged on the jacking guide rail, a jacking rod is vertically arranged on the jacking support, a jacking cylinder is arranged at the bottom of the jacking guide rail, and the output end of the jacking cylinder is connected with the jacking support;

[0012] The position of the jacking rod is adapted to the first through hole and the second through hole, so that the jacking rod penetrates through the first through hole and the second through hole and enters the accommodation cavity under the action of the jacking cylinder, and the piezoelectric ceramic ring is jacked out of the accommodation cavity.

[0013] Further, the taking part comprises a first material collecting support arranged on the test working surface, a first material collecting module is arranged on the first material collecting support, a lifting cylinder is arranged on one side of the first material collecting module, and the first material collecting module is used to drive the lifting cylinder to move along the first material collecting module;

[0014] The output end of the lifting cylinder is provided with a material collecting arm, the material collecting arm is a stepped structure, and the end of the material collecting arm is deviated from the rotary table;

[0015] The bottom of the material collecting arm is provided with a material collecting suction nozzle, which is used to suck the piezoelectric ceramic ring.

[0016] Further, the collecting part comprises at least two groups of second material collecting supports arranged on the test working surface, a second material collecting module is arranged on the top of each second material collecting support, a material collecting tray is arranged on the second material collecting module, and the second material collecting module is used to drive the material collecting tray to move along the second material collecting module.

[0017] The short columns arranged in the receiving tray are used for limiting the position of the piezoelectric ceramic ring.

[0018] Further, the second receiving support is provided with three groups side by side, each of the second receiving supports is provided with a second receiving module and a receiving tray, and the first receiving module classifies and collects the piezoelectric ceramic rings in the three receiving trays based on the test results.

[0019] Further, the first receiving module, the second receiving module, the first feeding module and the second feeding module are the same in structure and each include a module frame, a lead screw and a guide rod are arranged in the module frame, a motor is arranged on one side of the module frame, and the motor is fixed to the module frame through a motor support.

[0020] One end of the lead screw is rotatably connected to the inner wall of the module frame through a bearing, and the other end of the lead screw is connected to the shaft of the motor.

[0021] Both ends of the guide rod are fixedly connected to the inner wall of the module frame.

[0022] A sliding block is arranged on the lead screw, the sliding block is provided with a transverse threaded hole and at least one through hole, the lead screw penetrates through the threaded hole and is threadedly connected with the threaded hole, and the guide rod penetrates through the through hole and is slidably connected with the through hole.

[0023] Further, the piezoelectric ceramic ring test component is an impedance analyzer, the test head is provided with three test heads, i.e., an impedance analysis test head, a digital bridge test head and an insulation resistance test head, which are used for testing the resonant frequency, impedance and capacitance parameters of the piezoelectric ceramic ring.

[0024] Compared with the prior art, the piezoelectric ceramic ring test device has the following beneficial effects:

[0025] The piezoelectric ceramic ring test component is placed in the cabinet, the feeding assembly, the test bench and the receiving assembly are integrated on the test work surface, the overall structure of the test device is compact, the automatic feeding detection and the automatic receiving of the piezoelectric ceramic ring are realized through the arrangement of the feeding assembly and the receiving assembly, the test efficiency is improved, the manual intervention and the waiting time are reduced, the test accuracy is improved, and the reliability of the test results is ensured.

[0026] The utility model discloses a piezoelectric ceramic ring test element and multiple test head are carried out piezoelectric ceramic ring's test to the piezoelectric ceramic ring, obtain test parameter, can be through test parameter to piezoelectric ceramic ring and classify, and the piezoelectric ceramic ring is classified and collected in three the material receiving tray based on the test result of first material receiving module, reduces the artificial cost and material waste of transducer manufacturing process, and further reduces production cost. And through piezoelectric ceramic ring performance automatic test and accurate classification, lay the foundation for the optimization of transducer assembly process ceramic ring, ensure that the underwater acoustic transducer has higher overall quality performance and consistency. The operator can set the classification standard according to the actual demand, satisfy the demand of different product different performance interval and different classification rule. BRIEF DESCRIPTION OF DRAWINGS

[0027] The following drawings only make the utility model illustrative and explanatory, and do not use to limit the range of the utility model, wherein:

[0028] Figure 1 The utility model structure schematic diagram is shown in the figure.

[0029] Figure 2 The second upper module module setting position schematic view is shown in the figure.

[0030] Figure 3 The upper box structure schematic view is shown in the figure.

[0031] Figure 4 The material receiving, upper module module structure schematic view is shown in the figure.

[0032] In the figure: 1, cabinet body;2, first material receiving support;3, first material receiving module;4, second material receiving support;5, second material receiving module;6, rotary table;7, drive box;8, detection station;9, test head;10, first upper module module;11, drive cylinder;12, support plate;13, upper box;14, material receiving arm;15, material receiving suction nozzle;16, upper suction nozzle;17, upper guide rail;18, upper base;19, material receiving tray;20, lifting cylinder;21, jacking guide rail;22, jacking cylinder;23, top rod;24, second upper module module;25, first through -hole;26, containing cavity;27, second through -hole;28, module frame;29, lead screw;30, guide rod;31, sliding block;32, motor. DETAILED DESCRIPTION

[0033] In order to make the utility model's purpose, technical scheme, design method and advantage more clear and obvious, the following is further detailed to the utility model through specific embodiment with the drawings. It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0034] As Figure 1As shown, the utility model provides a kind of water acoustic transducer piezoelectric ceramic ring performance testing device, including cabinet 1, piezoelectric ceramic ring test component is used for placing inside cabinet 1, wherein, piezoelectric ceramic ring test component is high-precision impedance analyzer;The top of cabinet 1 is test working surface;The test working surface is provided with feeding assembly, test table and receiving component;Specifically, test table includes drive box 7 and rotary table 6, the drive box 7 is used to drive rotary table 6 rotation, in the embodiment, drive box 7 inside can be driven motor to realize drive rotary table 6 rotation at set speed.Six detection stations 8 are evenly provided on the rotary table 6, and three test heads 9 are provided on the outer side of the rotary table 6, the central angle of adjacent two test heads 9 is 60 °, the position of test head 9 and detection station 8 is adapted, and test head 9 is connected with piezoelectric ceramic ring test component, for obtaining test parameter, in the embodiment, three test heads 9 are impedance analysis test head, digital bridge test head and insulation resistance test head respectively, for testing the resonant frequency, impedance, capacitance and other parameters of piezoelectric ceramic ring.

[0035] Feeding assembly includes first feeding module 10 and feeding box 13, the feeding box 13 is located on the first feeding module 10, and the first feeding module 10 is used to drive the feeding box 13 moves along the first feeding module 10;The side of first feeding module 10 is provided with support plate 12, the top side of support plate 12 is provided with feeding guide rail 17, the other side of support plate 12 top is provided with drive cylinder 11, feeding base 18 is slidably arranged on the feeding guide rail 17, the bottom of feeding base 18 is provided with feeding suction nozzle 16, the side of feeding base 18 is connected with the output end of drive cylinder 11, under the action of drive cylinder 11, feeding base 18 slides along feeding guide rail 17;The position of feeding suction nozzle 16 is adapted to feeding box 13, for sucking piezoelectric ceramic ring. Figure 3 As shown, a plurality of containing cavities 26 are arranged in feeding box 13, for placing piezoelectric ceramic ring to be measured, second through hole 27 is formed in the bottom of each containing cavity 26, as shown, Figure 2As shown, a first through hole 25 corresponding to the second through hole 27 is formed on the test work surface; the upper feeding assembly further comprises a second upper feeding module 24, which is located inside the cabinet body 1 and fixedly connected with the top of the cabinet body 1, a jacking guide rail 21 is arranged on the second upper feeding module 24, a jacking support is slidably arranged on the jacking guide rail 21, a jacking rod 23 is vertically arranged on the jacking support, a jacking cylinder 22 is arranged at the bottom of the jacking guide rail 21, and the output end of the jacking cylinder 22 is connected with the jacking support; the position of the jacking rod 23 is adapted to the first through hole 25 and the second through hole 27, so that the jacking rod 23 penetrates through the first through hole 25 and the second through hole 27 and enters the accommodating cavity 26 under the action of the jacking cylinder 22, and the piezoelectric ceramic ring is ejected from the accommodating cavity 26, and the piezoelectric ceramic ring ejected from the accommodating cavity 26 is adsorbed by the upper feeding nozzle 16 and moved to the detection station 8.

[0036] In the above, the material receiving assembly comprises a taking part and a collecting part, the taking part comprises a first material receiving support 2 arranged on the test work surface, a first material receiving module 3 is arranged on the first material receiving support 2, a lifting cylinder 20 is arranged on one side of the first material receiving module 3, and the first material receiving module 3 is used to drive the lifting cylinder 20 to move along the first material receiving module 3; the output end of the lifting cylinder 20 is provided with a material receiving arm 14, the material receiving arm 14 is of a stepped structure, and the end of the material receiving arm 14 is deviated towards the turntable 6; the bottom of the material receiving arm 14 is provided with a material receiving nozzle 15 for sucking the piezoelectric ceramic ring. In this embodiment, the material receiving nozzle 15 and the upper feeding nozzle 16 are both industrial vacuum nozzles in the prior art, the head of the nozzle is circular, and the nozzle is made of rubber or silicone material. When the circular nozzle is connected to a negative pressure generating device (such as a vacuum pump, a vacuum generator, etc.) and started, the negative pressure generating device will quickly suck out the air in the nozzle, so that the air pressure in the nozzle is reduced, and a negative pressure environment is formed. Because there is a pressure difference between the inside of the nozzle and the outside atmosphere, the atmospheric pressure outside will be greater than the pressure inside the nozzle. As the air in the nozzle is continuously sucked out, the pressure difference between the nozzle and the object surface further increases, and the atmospheric pressure outside will tightly press the object on the adsorption surface of the nozzle, thereby achieving the adsorption and fixation of the piezoelectric ceramic ring. The collecting part comprises at least two groups of second material receiving supports 4 arranged on the test work surface, a second material receiving module 5 is arranged at the top of each second material receiving support 4, a material receiving tray 19 is arranged on the second material receiving module 5, and the second material receiving module 5 is used to drive the material receiving tray 19 to move along the second material receiving module 5; a plurality of short columns are arranged in an array in the material receiving tray 19, which are used to limit the position of the piezoelectric ceramic ring.

[0037] In order to realize the classified collection of piezoelectric ceramic rings with different parameters, in the embodiment, the second material collecting support 4 is provided with three groups side by side, each of which is provided with a second material collecting module 5 and a material collecting tray 19, and the first material collecting module 3 classifies and collects the piezoelectric ceramic rings in the three material collecting trays 19 based on the test results.

[0038] In the embodiment, the first material collecting module 3, the second material collecting module 5, the first feeding module 10 and the second feeding module 24 are the same in structure and each comprises a module frame 28, the inside of which is provided with a lead screw 29 and a guide rod 30, one side of the outside of the module frame 28 is provided with a motor 32, the motor 32 is fixed with the module frame 28 through a motor support, one end of the lead screw 29 is rotatably connected with the inner wall of the module frame 28 through a bearing, the other end of the lead screw 29 is connected with the motor 32 in a shaft manner, the two ends of the guide rod 30 are fixedly connected with the inner wall of the module frame 28 respectively, the lead screw 29 is provided with a sliding block 31, the sliding block 31 is provided with a transverse threaded hole and at least one through hole, the lead screw 29 penetrates through the threaded hole and is threadedly connected with the threaded hole, and the guide rod 30 penetrates through the through hole and is slidably connected with the through hole.

[0039] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without deviating from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application or technical improvement in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A kind of underwater acoustic transducer piezoelectric ceramic ring performance testing device, including cabinet (1), the inside of the cabinet (1) is used to place piezoelectric ceramic ring test component, and the top of cabinet (1) is test working surface;It is characterized by, The test working surface is provided with a feeding assembly, a test table and a material collecting assembly; The test table comprises a driving box (7) and a rotary table (6), the driving box (7) is used for driving the rotary table (6) to rotate, a plurality of detection stations (8) are uniformly arranged on the rotary table (6), and a plurality of test heads (9) are arranged outside the rotary table (6), the test heads (9) are adapted to the positions of the detection stations (8), and the test heads (9) are connected with the piezoelectric ceramic ring test components for obtaining test parameters; The feeding assembly is used for feeding the piezoelectric ceramic ring to be tested to the detection station (8); The material collecting assembly comprises a taking part and a collecting part, the taking part is used for moving the piezoelectric ceramic ring after test from the detection station to the collecting part.

2. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 1, characterized in that, The feeding assembly comprises a first feeding module (10) and a feeding box (13), the feeding box (13) is located on the first feeding module (10), and the first feeding module (10) is used for driving the feeding box (13) to move along the first feeding module (10); One side of the first feeding module (10) is provided with a supporting plate (12), one side of the top of the supporting plate (12) is provided with a feeding guide rail (17), the other side of the top of the supporting plate (12) is provided with a driving cylinder (11), a feeding base (18) is slidably arranged on the feeding guide rail (17), the bottom of the feeding base (18) is provided with a feeding suction nozzle (16), one side of the feeding base (18) is connected with the output end of the driving cylinder (11), and the feeding base (18) slides along the feeding guide rail (17) under the action of the driving cylinder (11); the position of the feeding suction nozzle (16) is adapted to the feeding box (13) and is used for sucking the piezoelectric ceramic ring.

3. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 2, characterized in that, The inside of the feeding box (13) is provided with a plurality of accommodation cavities (26) for placing the piezoelectric ceramic ring to be tested, the bottom of each accommodation cavity (26) is provided with a second through hole (27), and the test working surface is provided with a first through hole (25) corresponding to the second through hole (27); The feeding assembly further comprises a second feeding module (24), the second feeding module (24) is located inside the cabinet (1) and is fixedly connected with the top of the cabinet (1), a jacking guide rail (21) is arranged on the second feeding module (24), a jacking support is slidably arranged on the jacking guide rail (21), a jacking rod (23) is vertically arranged on the jacking support, a jacking cylinder (22) is arranged at the bottom of the jacking guide rail (21), and the output end of the jacking cylinder (22) is connected with the jacking support; The position of the jacking rod (23) is adapted to the first through hole (25) and the second through hole (27), so that the jacking rod (23) penetrates through the first through hole (25) and the second through hole (27) and enters the inside of the accommodation cavity (26) under the action of the jacking cylinder (22), and the piezoelectric ceramic ring is jacked out of the accommodation cavity (26).

4. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 3, characterized in that, The taking part includes the first material collecting support (2) arranged on the test work surface, the first material collecting support (2) is provided with the first material collecting module (3), the first material collecting module (3) is provided with the lifting cylinder (20) on one side, the first material collecting module (3) is used to drive the lifting cylinder (20) moves along the first material collecting module (3); The output end of the lifting cylinder (20) is provided with a material collecting arm (14), the material collecting arm (14) is a ladder structure, and the end of the material collecting arm (14) is deviated from the rotary table (6); The bottom of the material collecting arm (14) is provided with a material collecting nozzle (15) for sucking piezoelectric ceramic rings.

5. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 4, characterized in that, The collecting part includes at least two groups of second material collecting supports (4) arranged on the test work surface, the top of the second material collecting support (4) is provided with the second material collecting module (5), the second material collecting module (5) is provided with the material collecting tray (19), the second material collecting module (5) is used to drive the material collecting tray (19) to move along the second material collecting module (5); The material collecting tray (19) is arranged with a plurality of short columns in array, for limiting the position of the piezoelectric ceramic ring.

6. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 5, characterized in that The second material collecting support (4) is provided with three groups side by side, each group of second material collecting support (4) is provided with the second material collecting module (5) and the material collecting tray (19), the first material collecting module (3) classifies and collects the piezoelectric ceramic ring in the three material collecting trays (19) based on the test result.

7. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 6, characterized in that The structures of the first material collecting module (3), the second material collecting module (5), the first feeding module (10) and the second feeding module (24) are same, all including a module frame (28), the inside of the module frame (28) is provided with a lead screw (29) and a guide rod (30), one side of the outside of the module frame (28) is provided with a motor (32), the motor (32) is fixed with the module frame (28) through a motor support; One end of the lead screw (29) is rotatably connected with the inner wall of the module frame (28) through a bearing, the other end of the lead screw (29) is shaft-connected with the motor (32); Both ends of the guide rod (30) are fixedly connected with the inner wall of the module frame (28); The lead screw (29) is provided with a sliding block (31), the sliding block (31) is provided with a transverse threaded hole and at least one through hole, the lead screw (29) penetrates the threaded hole and is screw-connected with the threaded hole, the guide rod (30) penetrates the through hole and is slidingly connected with the through hole.

8. The piezoelectric ceramic ring performance testing device for a hydroacoustic transducer according to claim 1, characterized in that, The piezoelectric ceramic ring test component is an impedance analyzer, the test head (9) is provided with three, which are impedance analysis test head, digital bridge test head and insulation resistance test head, for testing the resonance frequency, impedance and capacitance parameters of the piezoelectric ceramic ring.

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