An ultrasonic scanning system and control method

Abstract

The application belongs to the technical field of ultrasonic detection, and discloses an ultrasonic scanning system and a control method. The ultrasonic scanning system comprises a workbench, a conveying device, a feeding device, a capping device, a liquid level balancing device and an ultrasonic device. The conveying device is provided with a mold assembly for containing a detection sample. The ultrasonic scanning system provided by the application places the detection sample in the mold assembly through the feeding device, places a sealing cover in the mold assembly through the capping device to prevent the detection sample from being flooded, then raises the liquid level in the mold assembly through the liquid level balancing device to make the liquid level in the mold assembly submerge the detection sample, and finally detects the detection sample through the ultrasonic device. The whole system is fully automated, and the intermediate process does not need manual operation. The mold assembly and the detection sample can be accurately positioned through the conveying device moving the mold assembly to the required position.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ultrasonic detection, in particular to an ultrasonic scanning system and a control method. BACKGROUND

[0002] IGBT (Insulated Gate Bipolar Transistor) is a new type of power semiconductor field control self-turn-off device, which integrates the high-speed performance of power MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) and the low resistance of bipolar device, and has the characteristics of high input impedance, low voltage control power consumption, simple control circuit, high voltage resistance, large current bearing, etc., and is widely used in various power conversion.

[0003] The IGBT module includes an aluminum substrate, a copper-clad plate, a chip and electronic components disposed on the copper-clad plate, and the copper-clad plate and the aluminum substrate are welded by solder. When the IGBT module is divided, the connecting surface between the copper-clad plate and the aluminum substrate needs to be scanned by ultrasonic waves, and imaging is performed in software. Through the image in the software, it can be clearly identified whether there is a cavity in the welding surface between the copper-clad plate and the aluminum substrate.

[0004] In the prior art, the installation, sealing and waterproofing of the detection sample and the process of injecting water into the mold by the ultrasonic scanning device are all manually completed, which leads to the fact that the ultrasonic scanning device cannot be automatically detected in batches. In the prior art, the product together with the bearing mold is slid to the detection position in an inclined sliding manner, which leads to inaccurate positioning of the detection sample and slow movement. SUMMARY

[0005] An object of the present application is to provide an ultrasonic scanning system that can automatically complete the installation, sealing and waterproofing of the detection sample and the work of injecting water into the mold, and can accurately move the detection sample to the detection position.

[0006] To achieve this object, the present application adopts the following technical solutions:

[0007] An ultrasonic scanning system is provided, comprising:

[0008] a workbench;

[0009] a conveying device, the conveying device is arranged on the workbench and is spaced apart in a first direction, a plurality of mold assemblies for containing detection samples are arranged on the conveying device, and the conveying device can drive the mold assemblies to move in a second direction, the first direction and the second direction are both horizontal directions of the workbench;

[0010] a feeding device, the feeding device is arranged on the workbench, and the feeding device can place the detection sample in the mold assembly;

[0011] A capping device is arranged on the workbench, the capping device can hold a sealing cover and place the sealing cover in the mold assembly, and the sealing cover can prevent the detection sample from being wetted;

[0012] A liquid level balancing device is arranged on the workbench, and the liquid level in the mold assembly can be raised and lowered through the liquid level balancing device;

[0013] An ultrasonic device is arranged on the workbench, and the ultrasonic device is used for detecting the detection sample.

[0014] Optionally, the conveying device comprises:

[0015] A first moving block is movably arranged on the workbench, and the mold assembly is arranged on the first moving block;

[0016] A first driving device is arranged on the workbench, and the first driving device can drive the first moving block to move in the second direction.

[0017] Optionally, the capping device comprises:

[0018] A second moving block is movably arranged on the workbench, and a grabbing mechanism is arranged on the second moving block, and the grabbing mechanism can grab and release the sealing cover;

[0019] A second driving device is arranged on the workbench, and the second driving device can drive the second moving block to move in the vertical direction of the workbench.

[0020] Optionally, further comprising a drying device arranged on the workbench, when the mold assembly is drained of liquid in the mold assembly through the liquid level balancing device, the drying device can eliminate the water vapor in the mold assembly.

[0021] Optionally, the drying device comprises:

[0022] A third moving block is movably arranged on the workbench, and a spray head and / or a suction head are arranged on the third moving block, the spray head can spray air flow to dry the water vapor in the mold assembly, and the suction head can suck the water vapor in the mold assembly;

[0023] A third driving device is arranged on the workbench, and the third driving device can drive the third moving block to move in the vertical direction of the workbench;

[0024] A fourth driving device is arranged on the workbench, and the fourth driving device can drive the third moving block to move in the first direction.

[0025] Optionally, the liquid level balancing device comprises:

[0026] A water tank is movably arranged on the workbench, and the water tank is in communication with the mold assembly;

[0027] The fifth driving device is arranged on the workbench, and the fifth driving device is capable of driving the water tank to move in the vertical direction of the workbench.

[0028] Optionally, the mold assembly comprises:

[0029] The bottom plate is provided with a water containing groove;

[0030] The mold plate is arranged in the bottom plate, and the mold plate is provided with a sample groove, and the detection sample can be arranged in the sample groove;

[0031] The locking mechanism is arranged on the bottom plate, and the locking mechanism can press the sealing cover on the mold plate when the sealing cover is arranged on the mold plate.

[0032] Optionally, the side of the sealing cover facing the mold plate is provided with a sealing pad, and the sealing pad can prevent the detection sample from being watered.

[0033] Optionally, the ultrasonic device comprises:

[0034] The ultrasonic probe is movably arranged on the workbench, and the ultrasonic probe is used for detecting the detection sample;

[0035] The sixth driving device is arranged on the workbench, and the sixth driving device is capable of driving the ultrasonic probe to move in the vertical direction of the workbench;

[0036] The seventh driving device is arranged on the workbench, and the seventh driving device is capable of driving the ultrasonic probe to move in the first direction;

[0037] The eighth driving device is arranged on the workbench, and the eighth driving device is capable of driving the ultrasonic probe to move in the second direction.

[0038] Another object of the present application is to provide a control method, which is suitable for the ultrasonic scanning system, and comprises the following steps:

[0039] S100, the feeding device arranges the detection sample in the mold assembly;

[0040] S200, the conveying device conveys the mold assembly to the sealing cover position, and the sealing cover device arranges the sealing cover in the mold assembly;

[0041] S300, the conveying device conveys the mold assembly to the detection position;

[0042] S400, the liquid level balancing device raises the liquid level in the mold assembly, so that the liquid level in the mold assembly submerges the detection sample;

[0043] S500, the ultrasonic device detects the detection sample.

[0044] Beneficial effects:

[0045] The ultrasonic scanning system and control method provided by the present application, after the loading device places the detection sample in the mold assembly, the sealing cover is placed in the mold assembly by the sealing cover device to prevent the detection sample from entering water, then the liquid level balancing device raises the liquid level in the mold assembly, so that the liquid level in the mold assembly submerges the detection sample, finally the detection sample is detected by the ultrasonic device, the whole system is completely automated, manual operation is not required in the middle process, and the installation, sealing and waterproofing, water injection into the mold assembly and detection of the detection sample can be automatically completed, and the mold assembly and the detection sample can be accurately positioned by moving the mold assembly to the required position through the conveying device during the whole process. In addition, the setting of multiple conveying devices realizes continuous detection without waiting for the replacement of the detection sample, greatly improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 is a structural schematic diagram of the ultrasonic scanning system provided by the first embodiment of the present application;

[0047] Figure 2 is a side view of the ultrasonic scanning system provided by the first embodiment of the present application;

[0048] Figure 3 is a top view of the ultrasonic scanning system provided by the first embodiment of the present application;

[0049] Figure 4 is a structural schematic diagram of the loading device provided by the first embodiment of the present application;

[0050] Figure 5 is a partial structural schematic diagram of the conveying device provided by the first embodiment of the present application;

[0051] Figure 6 is a structural schematic diagram of the sealing cover device provided by the first embodiment of the present application;

[0052] Figure 7 is a front view of the conveying device provided by the first embodiment of the present application;

[0053] Figure 8 is a structural exploded schematic diagram of the mold assembly provided by the first embodiment of the present application;

[0054] Figure 9 is a top view of the sealing cover device and the drying device provided by the first embodiment of the present application;

[0055] Figure 10 is a structural schematic diagram of the drying device provided by the first embodiment of the present application;

[0056] Figure 11 is a structural schematic diagram of the liquid level balancing device provided by the first embodiment of the present application;

[0057] Figure 12 is a structural schematic diagram of an ultrasonic device provided by embodiment one of the present application;

[0058] Figure 13 is a structural schematic diagram of a clamping device provided by embodiment one of the present application;

[0059] Figure 14 is an electrical connection schematic diagram of an ultrasonic probe and an upper computer provided by embodiment one of the present application;

[0060] Figure 15 is a control method flowchart provided by embodiment two of the present application.

[0061] In the figure:

[0062] 100, workbench; 110, support; 120, mounting table;

[0063] 200, conveying device; 210, first moving block; 220, first driving device;

[0064] 300, mold assembly; 310, bottom plate; 311, water tank; 312, accommodation groove; 320, mold plate; 321, sample groove; 331, first air cylinder; 332, L-shaped plate; 3321, first connecting plate; 3322, second connecting plate; 333, second air cylinder; 334, pressing member;

[0065] 400, feeding device; 410, base; 420, first mechanical arm; 430, second mechanical arm; 440, transmission rod;

[0066] 500, capping device; 510, sealing cover; 511, insertion slot; 512, sealing gasket; 513, pressing groove; 520, second moving block; 530, second driving device; 531, bidirectional telescopic cylinder; 532, chuck;

[0067] 600, liquid level balancing device; 610, water tank; 620, fifth driving device; 621, fifth moving block;

[0068] 700, ultrasonic device; 710, ultrasonic probe; 720, sixth driving device; 721, sixth moving block; 730, seventh driving device; 731, seventh moving block; 740, eighth driving device; 741, eighth guide rail; 742, eighth moving block; 751, fixed clamp seat; 752, probe clamp; 753, sleeve;

[0069] 800, drying device; 810, third moving block; 820, third driving device; 830, fourth driving device; 831, fourth moving block; 840, drying plate;

[0070] 900, detecting sample. DETAILED DESCRIPTION

[0071] The application will be further described below in conjunction with the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not to be used to limit the application. In addition, it is to be understood that, for ease of description, only the parts related to the application are shown in the drawings.

[0072] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0073] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0074] In the description of the present embodiment, the terms "up", "down", "right", and other orientation or position relationships are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0075] Embodiment one

[0076] Reference Figures 1 to 3As shown, the embodiment provides an ultrasonic scanning system, which comprises a workbench 100, a conveying device 200, a feeding device 400, a capping device 500, a liquid level balancing device 600 and an ultrasonic device 700. The conveying device 200 is arranged on the workbench 100 and is spaced apart in a first direction. The conveying device 200 is provided with a mold assembly 300 for containing a detection sample 900. The conveying device 200 can drive the mold assembly 300 to move in a second direction. The first direction and the second direction are both horizontal directions of the workbench 100. The feeding device 400 is arranged on the workbench 100. The feeding device 400 can place the detection sample 900 in the mold assembly 300. The capping device 500 is arranged on the workbench 100. The capping device 500 can clamp a sealing cover 510 and place the sealing cover 510 in the mold assembly 300. The sealing cover 510 can prevent the detection sample 900 from being waterlogged. The liquid level balancing device 600 is arranged on the workbench 100. The liquid level in the mold assembly 300 can be raised or lowered through the liquid level balancing device 600. The ultrasonic device 700 is arranged on the workbench 100. The ultrasonic device 700 is used to detect the detection sample 900.

[0077] In the embodiment, after the feeding device 400 places the detection sample 900 in the mold assembly 300, the capping device 500 places the sealing cover 510 in the mold assembly 300 to prevent the detection sample 900 from being waterlogged. Then, the liquid level balancing device 600 raises the liquid level in the mold assembly 300 so that the liquid level in the mold assembly 300 submerges the detection sample 900. Finally, the ultrasonic device 700 detects the detection sample 900. The whole system is fully automated, and the intermediate process does not require manual operation. The installation, sealing, waterlogging prevention, water injection into the mold assembly 300 and detection of the detection sample 900 can be automatically completed. In addition, the mold assembly 300 is moved to the required position through the conveying device 200, so that the mold assembly 300 and the detection sample 900 can be accurately positioned. Furthermore, the arrangement of multiple conveying devices 200 realizes continuous detection without waiting for the replacement of the detection sample 900, which greatly improves the production efficiency.

[0078] Further, the first direction and the second direction can be arranged vertically or at other angles, which are not limited herein. Preferably, the first direction can be the length direction of the workbench 100, and the second direction can be the width direction of the workbench 100.

[0079] Preferably, the conveying device 200 is arranged in two, so that the ultrasonic scanning system is compact and realizes the function of continuous detection without waiting for the replacement of the detection sample 900.

[0080] Specifically, the feeding device 400, the capping device 500 and the ultrasonic device 700 are arranged in sequence along the length direction of the workbench 100.

[0081] In the embodiment, referring to FIG. 4A, Figure 4 The feeding device 400 includes a base 410, a first mechanical arm 420, a second mechanical arm 430, a transmission rod 440, and a mechanical hand device (not shown in the figure). The base 410 is installed on the workbench 100, and the base 410 is provided with a first motor (not shown in the figure). The first end of the first mechanical arm 420 is hinged to the base 410, and the first motor can drive the first mechanical arm 420 to rotate around the vertical direction of the workbench 100. The first end of the second mechanical arm 430 is hinged to the second end of the first mechanical arm 420. The first end of the second mechanical arm 430 is provided with a second motor (not shown in the figure), and the second motor can drive the second mechanical arm 430 to rotate around the vertical direction of the workbench 100. The second end of the second mechanical arm 430 is provided with a third motor (not shown in the figure). The transmission rod 440 is movably arranged at the second end of the second mechanical arm 430. The third motor can drive the transmission rod 440 to move along the vertical direction of the workbench 100. The end of the transmission rod 440 facing the workbench 100 is provided with a mechanical hand device, which is used to grab the detection sample 900. In the embodiment, the ultrasonic scanning system can continuously test the detection sample 900. The feeding device 400 is a multi-degree-of-freedom mechanical arm mechanism. When the detection sample 900 needs to be detected, the conveying device 200 conveys the mold assembly 300 to the feeding position. The first motor drives the first mechanical arm 420 to rotate, which drives the second mechanical arm 430 to rotate. The second motor drives the second mechanical arm 430 to rotate, which drives the transmission rod 440 to rotate so that the transmission rod 440 is aligned with the detection sample. The third motor drives the transmission rod 440 to move towards the detection sample 900, so that the mechanical hand device approaches and grabs the detection sample 900. After the mechanical hand device grabs the detection sample 900, the third motor drives the transmission rod 440 to move away from the detection sample 900. The first motor drives the first mechanical arm 420 to rotate, which drives the second mechanical arm 430 to rotate. The second motor drives the second mechanical arm 430 to rotate, which drives the transmission rod 440 to rotate so that the transmission rod 440 is aligned with the mold assembly 300. The third motor drives the transmission rod 440 to move towards the mold assembly 300, so that the mechanical hand device places the detection sample 900 in the mold assembly 300. When the detection of the detection sample 900 is completed, the conveying device 200 conveys the mold assembly 300 to the discharging position, and the detection sample 900 is taken out of the mold assembly 300 by the feeding device 400. The feeding device 400 grabs and places the next detection sample 900 to be tested. Specifically, the discharging position and the feeding position can be the same position. Further, the feeding device 400 can also be in other forms, which will not be described in detail here.

[0082] Specifically, the mechanical hand device comprises a vacuum chuck, a mounting plate and a vacuum generator, the vacuum chuck is provided with a plurality of fixing plates arranged below the mounting plate, and the vacuum generator is used to provide a vacuum environment for the vacuum chuck, so that the vacuum chuck can adsorb the detection sample 900. Further, the mechanical hand device can be but is not limited to the mechanical hand device with the above-mentioned vacuum chuck structure, and the mechanical hand device is a prior art, which will not be described in detail here.

[0083] In the embodiment, as shown in Figure 5 The conveying device 200 comprises a first moving block 210 and a first driving device 220. The first moving block 210 is movably arranged on the workbench 100, and the mold assembly 300 is arranged on the first moving block 210. The first driving device 220 is arranged on the workbench 100, and the first driving device 220 can drive the first moving block 210 to move in the second direction. In the embodiment, the first driving device 220 drives the first moving block 210 to move in the second direction, thereby driving the mold assembly 300 to move to a required position, so that the mold assembly 300 is accurately positioned.

[0084] Specifically, the first driving device 220 comprises a first guide rail, a first lead screw and a fourth motor (not shown in the figure). The first guide rail is arranged on the workbench 100 and extends in the second direction. The first guide rail is slidably connected with the first moving block 210. The first lead screw is arranged in parallel with the first guide rail. The first lead screw is provided with a first nut, and the first nut is fixedly connected with the first moving block 210. The fourth motor is arranged at one end of the first lead screw, and the fourth motor can drive the first lead screw to rotate. In the embodiment, the fourth motor drives the first lead screw to rotate, so that the first nut moves along the first lead screw, thereby driving the first moving block 210 to move, so that the mold assembly 300 is accurately positioned. Further, the first driving device 220 can also be other forms of driving devices, which will not be described in detail here.

[0085] In the embodiment, as shown in Figure 6As shown, the capping device 500 comprises a second moving block 520 and a second driving device 530. The second moving block 520 is movably arranged on the workbench 100, and a grabbing mechanism is arranged on the second moving block 520, which can grab and release the sealing cover 510. The second driving device 530 is arranged on the workbench 100, and the second driving device 530 can drive the second moving block 520 to move along the vertical direction of the workbench 100. In the embodiment, when the feeding device 400 places the detection sample 900 in the mold assembly 300, and the conveying device 200 places the mold assembly 300 containing the detection sample 900 below the capping device 500, that is, the mold assembly 300 is located at the capping position, the grabbing mechanism grabs the sealing cover 510 and is located at the first initial position, the second driving device 530 drives the second moving block 520 to move towards the mold assembly 300 to the first installation position, so that the sealing cover 510 is placed in the mold assembly 300, and the second driving device 530 drives the second moving block 520 to move away from the mold assembly 300 to the first initial position. When the detection sample 900 completes the detection, the mold assembly 300 is repositioned at the capping position, the second driving device 530 drives the second moving block 520 to move towards the mold assembly 300 to the first installation position, the grabbing mechanism grabs the sealing cover 510, and the second driving device 530 drives the second moving block 520 to move away from the mold assembly 300 to the first initial position. The second driving device 530 drives the second moving block 520 to move along the vertical direction of the workbench 100, so that the sealing cover 510 is accurately positioned.

[0086] Further, the capping device 500 is provided with a plurality of and is arranged one by one with the conveying device 200.

[0087] Specifically, the second driving device 530 comprises a second guide rail, a second lead screw and a fifth motor (the second guide rail, the second lead screw and the fifth motor are not shown in the figure). The second guide rail is mounted on the workbench 100 and arranged along the vertical direction of the workbench 100. The second guide rail is in sliding connection with the second moving block 520. The second lead screw is arranged in parallel with the second guide rail. A second nut is arranged on the second lead screw. The second nut is fixedly connected with the second moving block 520. The fifth motor is arranged at one end of the second lead screw. The fifth motor can drive the second lead screw to rotate. In the embodiment, the fifth motor drives the second lead screw to rotate, so that the second nut moves along the second lead screw, thereby driving the second moving block 520 to move, so that the sealing cover 510 is accurately positioned. Further, the second driving device 530 can also be other forms of driving devices, which will not be described in detail here.

[0088] Specifically, a support 110 is mounted on the workbench 100, and the second guide rail is mounted on the support 110.

[0089] Specifically, continuing to refer to Figure 6As shown, the grabbing mechanism includes a bidirectional telescopic cylinder 531 and a chuck 532, the cylinder barrel of the bidirectional telescopic cylinder 531 is fixedly connected with the second moving block 520, and the telescopic rods of the bidirectional cylinder are both arranged to extend in the second direction, the end portions of the two telescopic rods are both provided with the chuck 532, the chuck 532 is provided with a plurality of plugs, the opposite side edges of the sealing cover 510 are provided with a plurality of insertion grooves 511, the plugs and the insertion grooves 511 are one-to-one correspondingly arranged, when the grabbing mechanism grabs the sealing cover 510, the telescopic rods of the bidirectional telescopic cylinder 531 move towards the cylinder barrel of the bidirectional telescopic cylinder 531, the plugs are inserted into the insertion grooves 511, and then the sealing cover 510 is clamped; when the sealing cover 510 is placed in the mold assembly 300, the telescopic rods of the bidirectional telescopic cylinder 531 move away from the cylinder barrel of the bidirectional telescopic cylinder 531, and the sealing cover 510 is released.

[0090] In this embodiment, with reference to Figures 7 to 8 As shown, the mold assembly 300 includes a bottom plate 310, a mold plate 320 and a locking mechanism, the bottom plate 310 is provided with a water tank 311, the mold plate 320 is installed in the bottom plate 310, the mold plate 320 is provided with a sample groove 321, the detection sample 900 can be placed in the sample groove 321, and the locking mechanism is arranged on the bottom plate 310. When the sealing cover 510 is placed on the mold plate 320, the locking mechanism can press the sealing cover 510 tightly on the mold plate 320. In this embodiment, when the sealing cover 510 is pressed tightly on the mold plate 320 by the locking mechanism, the opposite surfaces of the sealing cover 510 and the mold plate 320 are attached, preventing liquid from entering the sample groove 321 from between the sealing cover 510 and the mold plate 320, and effectively preventing the detection sample 900 from being wet.

[0091] Specifically, the water tank 311 can be provided with a liquid level gauge for detecting the liquid level height in the water tank 311.

[0092] Specifically, the water tank 311 is provided with a displacement groove 312, when the telescopic rods of the bidirectional telescopic cylinder 531 move away from the cylinder barrel of the bidirectional telescopic cylinder 531, the sealing cover 510 is released, and the chuck 532 is effectively prevented from interfering with the groove wall of the water tank 311.

[0093] Further, a plurality of sample grooves 321 can be formed in the mold plate 320, and through holes are formed in the positions corresponding to the sample grooves 321 of the sealing cover 510, when the sealing cover 510 is pressed tightly on the mold plate 320 by the locking mechanism, the opposite surfaces of the sealing cover 510 and the detection sample 900 are attached, preventing liquid from entering the sample groove 321 from the through hole, and effectively preventing the detection sample 900 from being wet.

[0094] Further, the sealing cover 510 is provided with a sealing gasket 512 on the side facing the mold plate 320, which can prevent the detection sample 900 from entering water. Specifically, when pressed on the mold plate 320, the sealing gasket 512 further seals the gap between the sealing cover 510 and the mold plate 320 and the gap between the sealing cover 510 and the detection sample 900. Specifically, the sealing gasket 512 can be made of rubber or other materials, which will not be limited here.

[0095] Specifically, the locking mechanism includes a first cylinder 331, an L-shaped plate 332, a second cylinder 333, and a pressing piece 334. The first cylinder 331 is provided with two and symmetrically arranged on the side of the bottom plate 310 away from the water tank 311. The fixed end of the first cylinder 331 is fixedly connected with the bottom plate 310, and the extension ends of the two first cylinders 331 are arranged in the first direction. The L-shaped plate 332 includes a first connecting plate 3321 and a second connecting plate 3322 arranged perpendicularly to the first connecting plate 3321. The extension end of the first cylinder 331 is connected with the first connecting plate 3321, and the second connecting plate 3322 is connected with the fixed end of the second cylinder 333. The extension end of the second cylinder 333 is connected with the pressing piece 334. In this embodiment, when the sealing cover 510 needs to be taken out of the water tank 311, first, the extension end of the second cylinder 333 moves upward, so that the pressing piece 334 is placed outside the slot end surface of the water tank 311. Then, the extension end of the first cylinder 331 moves away from the fixed end, so that the pressing piece 334 is located outside the slot wall of the water tank 311. The sealing cover 510 is taken out by the cover device 500. When the sealing cover 510 needs to be pressed on the mold plate 320, first, the extension end of the first cylinder 331 moves toward the fixed end. Then, the extension end of the second cylinder 333 moves downward, so that the sealing cover 510 is pressed on the mold plate 320, thereby protecting the detection sample 900.

[0096] Specifically, the pressing piece 334 is in a U shape, which can effectively avoid the interference between the pressing piece 334 and the bottom plate 310 when the pressing piece 334 moves. Further, the pressing piece 334 is provided with a pressing portion, and the sealing cover 510 is provided with a pressing groove 513. When the sealing cover 510 is pressed on the mold plate 320, the pressing portion is placed in the pressing groove 513, which can effectively prevent the sealing cover 510 from moving in the water tank 311.

[0097] In this embodiment, refer to Figures 9 to 10As shown, the ultrasonic scanning system further comprises a drying device 800 arranged on the workbench 100, which can eliminate the water vapor in the mold assembly 300 when the mold assembly 300 is drained of liquid by the liquid level balancing device 600. Specifically, the drying device 800 is arranged between the capping device 500 and the ultrasonic device 700. In the embodiment, when the detection sample in the mold assembly 300 on one of the conveying devices 200 completes detection, the mold assembly 300 is drained of liquid by the liquid level balancing device 600, and then the mold assembly 300 is conveyed to a drying position by the conveying device 200, the water vapor in the mold assembly 300 is eliminated by the drying device 800, and then the mold assembly 300 is moved to the capping position by the conveying device 200, the extension end of the second cylinder 333 is moved upward, the pressing member 334 is arranged outside the notch end face of the water tank 311, the extension end of the first cylinder 331 is moved away from the fixed end, the pressing member 334 is arranged outside the tank wall of the water tank 311, and the sealing cover 510 is removed from the mold assembly 300 by the capping device 500.

[0098] Specifically, the drying device 800 comprises a third moving block 810, a third driving device 820 and a fourth driving device 830. The third moving block 810 is movably arranged on the workbench 100, and a spray head and / or a suction head are arranged on the third moving block 810. The spray head can spray air flow to dry the water vapor in the mold assembly 300, and the suction head can suck the water vapor in the mold assembly 300. The third driving device 820 is arranged on the workbench 100, and the third driving device 820 can drive the third moving block 810 to move along the vertical direction of the workbench 100. The fourth driving device 830 is arranged on the workbench 100, and the fourth driving device 830 can drive the third moving block 810 to move along the first direction. In the embodiment, when the detection sample 900 in the mold assembly 300 on one of the conveying devices 200 completes detection, the fourth driving device 830 drives the third moving block 810 to move along the first direction to a position corresponding to the mold assembly 300, and the third driving device 820 drives the third moving block 810 to move towards the mold assembly 300, so that the spray head and / or the suction head are close to the mold assembly 300. When the spray head and the suction head are arranged on the third moving block 810, the suction head is used to suck the water vapor in the mold assembly 300 first, and then the spray head is used to spray air flow to dry the water vapor in the mold assembly 300, so that the efficiency of eliminating the water vapor in the mold assembly 300 is higher than that of the drying device 800 with only the spray head or the suction head.

[0099] Specifically, the third moving block 810 is provided with a drying plate 840, and the spray head and / or the suction head are arranged on the drying plate 840. Further, the spray head can be arranged in an array, and the suction head can be arranged in an array.

[0100] Specifically, the drying device 800 further comprises a hot air blower and / or an air extractor, the spray head is in communication with the hot air blower, and the spray head sprays air flow into the mold assembly 300 through the hot air blower; the suction head is in communication with the air extractor, and the suction head extracts water vapor in the mold assembly 300 through the air extractor. In the embodiment, the specific structure of the hot air blower, the air extractor, the spray head, and the suction head is prior art, and will not be described in detail here.

[0101] Specifically, the third driving device 820 comprises a third guide rail, a third screw rod, and a sixth motor (not shown in the figure), the third guide rail is installed on the workbench 100 and is arranged along the vertical direction of the workbench 100, the third guide rail is in sliding connection with the third moving block 810, the third screw rod is arranged in parallel with the third guide rail, the third screw rod is provided with a third nut, the third nut is fixedly connected with the third moving block 810, and the sixth motor is arranged at one end of the third screw rod and can drive the third screw rod to rotate. In the embodiment, the sixth motor drives the third screw rod to rotate, drives the third nut and the third moving block 810 to move along the screw rod, and realizes the movement of the drying plate 840 along the vertical direction of the workbench 100. Further, the third driving device 820 can also be other forms of driving devices, which will not be described in detail here.

[0102] Specifically, the fourth driving device 830 comprises a fourth guide rail, a fourth moving block 831, a fourth screw rod, and a seventh motor (not shown in the figure), the fourth guide rail is installed on the support 110 and is arranged along the first direction, the fourth moving block 831 is arranged in sliding connection on the fourth guide rail, the third guide rail is fixedly connected to the fourth moving block 831, the fourth screw rod is arranged in parallel with the fourth guide rail, the fourth screw rod is provided with a fourth nut, the fourth nut is fixedly connected with the fourth moving block 831, and the seventh motor is arranged at one end of the fourth screw rod and can drive the fourth screw rod to rotate. In the embodiment, when the detection sample 900 in the mold assembly 300 on one of the conveying devices 200 completes detection, first, the seventh motor drives the fourth screw rod to rotate, drives the fourth nut to move along the fourth screw rod, and further drives the fourth moving block 831 to move, the fourth moving block 831 drives the third guide rail to move, so that the drying plate 840 on the third driving device 820 corresponds to the mold assembly 300; then, the sixth motor drives the third screw rod to rotate, drives the third nut to move along the third screw rod, and further drives the third moving block 810 to move, so that the drying plate 840 approaches the mold assembly 300, when the spray head and the suction head are arranged on the third moving block 810, the air extractor and the hot air blower are started in sequence, and the water vapor in the mold assembly 300 is eliminated. Further, the fourth driving device 830 can also be other forms of driving devices, which will not be described in detail here.

[0103] In the embodiment, the liquid level balancing device 600 is arranged at the side edge of the workbench 100 away from the feeding device 400. Specifically, referring toFigure 11 As shown, the liquid level balancing device 600 comprises a water tank 610 and a fifth driving device 620, the water tank 610 is movably arranged on the workbench 100, and the water tank 610 is in communication with the mold assembly 300; the fifth driving device 620 is arranged on the workbench 100, and the fifth driving device 620 can drive the water tank 610 to move along the vertical direction of the workbench 100. In this embodiment, since the water tank 610 is in communication with the mold assembly 300, the fifth driving device 620 drives the water tank 610 to move along the vertical direction of the workbench 100, so that the liquid level in the water tank 311 changes with the height of the water tank 610, realizing the automatic switching of the water inlet and outlet of the sample 900, effectively reducing the space of the water tank 311, and reducing the floor area of the ultrasonic scanning system. Specifically, when the fifth driving device 620 drives the water tank 610 to move to a low position, and the liquid in the water tank 610 is lower than the bottom of the water tank 311, the liquid in the water tank 311 is drained; the fifth driving device 620 drives the water tank 610 to move to a high position, so that the liquid in the water tank 610 is higher than the height of the sealing cover 510, and then the liquid in the water tank 311 submerges the sealing cover 510, effectively preventing the water in the water tank 311 from splashing out when water is injected into the water tank 311, and reducing the bubbles in the water tank 311, reducing the influence on the detection of the sample 900.

[0104] Further, the liquid level balancing device 600 is provided with a plurality of and is arranged one-to-one with the conveying device 200.

[0105] Specifically, the water tank 610 is in communication with the water tank 311. Further, the bottom of the water tank 610 is provided with a first water hole, and the bottom of the water tank 311 is provided with a second water hole, the first water hole and the second water hole are in communication, and then when the liquid in the water tank 610 is higher than the height of the sealing cover 510, the liquid in the water tank 311 can be emptied.

[0106] Specifically, the fifth driving device 620 comprises a fifth guide rail, a fifth moving block 621, a fifth lead screw and an eighth motor (the fifth guide rail, the fifth lead screw and the eighth motor are not shown in the figure), the third guide rail is installed on the workbench 100 and arranged along the vertical direction of the workbench 100, the fifth moving block 621 is slidably arranged on the fifth guide rail, the water tank 610 is installed on the fifth moving block 621, the fifth lead screw is arranged in parallel with the fifth guide rail, the fifth nut is arranged on the fifth lead screw, the fifth nut is fixedly connected with the fifth moving block 621, and the eighth motor is arranged at one end of the fifth lead screw. The eighth motor can drive the fifth lead screw to rotate. In this embodiment, the eighth motor drives the fifth lead screw to rotate, so that the fifth nut moves along the fifth lead screw, and then drives the water tank 610 to move, so that the water tank 610 is accurately positioned. Further, the fifth driving device 620 can also be other forms of driving device, which will not be described in detail here.

[0107] In the present embodiment, referring to Figure 12 As shown in FIG. 7, the ultrasonic device 700 comprises an ultrasonic probe 710, a sixth driving device 720, a seventh driving device 730 and an eighth driving device 740. The ultrasonic probe 710 is movably arranged on the workbench 100 and is used for detecting a detection sample 900. The sixth driving device 720 is arranged on the workbench 100 and can drive the ultrasonic probe 710 to move along the vertical direction of the workbench 100. The seventh driving device 730 is arranged on the workbench 100 and can drive the ultrasonic probe 710 to move along the first direction. The eighth driving device 740 is arranged on the workbench 100 and can drive the ultrasonic probe 710 to move along the second direction. In the present embodiment, the sixth driving device 720 drives the ultrasonic probe 710 to move along the vertical direction of the workbench 100, so as to realize the focusing function of the ultrasonic probe 710. The seventh driving device 730 and the eighth driving device 740 drive the ultrasonic probe 710 to move in the horizontal direction, so as to realize the complete scanning of the detection sample 900.

[0108] Specifically, the sixth driving device 720 comprises a sixth guide rail, a sixth moving block 721, a sixth screw rod and a ninth motor (not shown in the figure). The sixth guide rail is mounted on the workbench 100 and is arranged along the vertical direction of the workbench 100. The sixth guide rail is in sliding connection with the sixth moving block 721. The ultrasonic probe 710 is mounted on the sixth moving block 721. The sixth screw rod is arranged in parallel with the sixth guide rail. The sixth screw rod is provided with a sixth nut. The sixth nut is fixedly connected with the sixth moving block 721. The ninth motor is arranged at one end of the sixth screw rod. The ninth motor can drive the sixth screw rod to rotate. In the present embodiment, the ninth motor drives the sixth screw rod to rotate, so as to drive the sixth nut and the sixth moving block 721 to move along the screw rod, thereby realizing the movement of the ultrasonic probe 710 along the vertical direction of the workbench 100. Further, the sixth driving device 720 can also be other forms of driving devices, which will not be described in detail herein.

[0109] Specifically, the seventh driving device 730 comprises a seventh guide rail, a seventh moving block 731, a seventh screw rod and a tenth motor (the seventh guide rail, the seventh screw rod and the tenth motor are not shown in the figure), the seventh guide rail is mounted on the workbench 100 and extends along the first direction, the seventh guide rail is in sliding connection with the seventh moving block 731, the sixth guide rail is mounted on the seventh moving block 731, the seventh screw rod is arranged in parallel with the seventh guide rail, the seventh screw rod is provided with a seventh nut, the seventh nut is fixedly connected with the seventh moving block 731, and the tenth motor is arranged at one end of the seventh screw rod and can drive the seventh screw rod to rotate. In the embodiment, the tenth motor drives the seventh screw rod to rotate, drives the seventh nut and the seventh moving block 731 to move along the screw rod, and then drives the sixth guide rail to move along the first direction, so that the movement of the ultrasonic probe 710 along the first direction is realized. Further, the seventh driving device 730 can also be other forms of driving devices, which will not be described in detail here.

[0110] Specifically, the eighth driving device 740 comprises an eighth guide rail 741, an eighth moving block 742 and an eleventh motor (the eleventh motor is not shown in the figure), the eighth guide rail 741 is mounted on the workbench 100 and extends along the second direction, the eighth guide rail 741 is in sliding connection with the eighth moving block 742, the seventh guide rail is mounted on the eighth moving block 742, and the eleventh motor can be a linear motor, the driving end of the linear motor is connected with the eighth moving block 742, and the fixed end of the linear motor is arranged on the workbench 100. In the embodiment, the eleventh motor drives the eighth moving block 742 to move along the eighth guide rail 741, and then drives the seventh guide rail to move along the second direction, so that the movement of the ultrasonic probe 710 along the second direction is realized. Further, the eleventh motor can also be other driving motors, which will not be described in detail here. Further, the eighth driving device 740 can also be other forms of driving devices, which will not be described in detail here.

[0111] Specifically, the eighth guide rail 741 is provided with two and is symmetrically arranged on the two sides of the workbench 100. Further, the workbench 100 is provided with a mounting table 120, the eighth guide rail 741 is arranged on the mounting table 120, and the driving end of the eleventh motor is connected with the eighth moving block 742 on one of the eighth guide rails 741.

[0112] Specifically, referring to Figure 13As shown, the sixth moving block 721 is provided with a clamping device for fixing the ultrasonic probe 710, which includes a fixed clamping seat 751 mounted on the sixth moving block 721 and a probe clamp 752 detachably connected with the fixed clamping seat 751, and an installation hole is formed between the fixed clamping seat 751 and the probe clamp 752, and the ultrasonic probe 710 is inserted into the installation hole. Further, the clamping device further includes a sleeve 753, the ultrasonic probe 710 is inserted into the sleeve 753, and the sleeve 753 is inserted into the installation hole. In this embodiment, the ultrasonic probe 710 is disassembled by disassembling the probe clamp 752 to disassemble the sleeve 753 from the installation hole, thereby achieving the disassembly of the ultrasonic probe 710, and the sleeve 753 is used to protect the ultrasonic probe 710, effectively preventing the fixed clamping seat 751 and the probe clamp 752 from damaging the ultrasonic probe 710. Specifically, the sleeve 753 is divided into two along the axis and is composed of two half sleeves, which facilitates the installation of the ultrasonic probe 710. Preferably, the fixed clamping seat 751 and the probe clamp 752 can be connected by a screw joint or other connecting joints, which will not be described in detail here.

[0113] In this embodiment, referring to Figure 14 As shown, the ultrasonic device 700 further includes a host computer, a data acquisition card, an ultrasonic transmitter-receiver, a preamplifier and an ultrasonic probe 710 (the host computer, the data acquisition card, the ultrasonic transmitter-receiver and the preamplifier are not shown in the figure), wherein the host computer, the data acquisition card, the ultrasonic transmitter-receiver, the preamplifier and the ultrasonic probe 710 are electrically connected in sequence, the host computer controls the data acquisition card to emit an ultrasonic detection signal to the ultrasonic transmitter-receiver, the ultrasonic transmitter-receiver emits an ultrasonic pulse to the preamplifier, the ultrasonic pulse is emitted to the detection sample 900 by the ultrasonic probe 710 after being amplified by the preamplifier, the ultrasonic probe 710 receives the ultrasonic pulse reflected by the detection sample 900, and the ultrasonic pulse is transmitted to the ultrasonic transmitter-receiver after being amplified by the preamplifier, and then transmitted to the data acquisition card by the ultrasonic transmitter-receiver, and then transmitted to the host computer after being converted by the data acquisition card, and the host computer processes to obtain a detection result. In this embodiment, the ultrasonic scanning system can detect semiconductor devices, and the waveform and image processed by the host computer are used to display the detection result, which is a non-destructive testing method, and the quality and use value of the detected material and workpiece can be evaluated without damaging or harming the detected material and workpiece. The ultrasonic scanning system not only can detect defects such as delamination, pores, cracks and inclusions of devices and materials, but also can realize A, B and C scanning, multi-layer scanning and layer-by-layer scanning functions.

[0114] Embodiment two

[0115] The control method of the ultrasonic scanning system in embodiment one can be used, referring to Figure 15 As shown, the control method includes the following steps:

[0116] S100, the loading device 400 places the detection sample 900 in the mold assembly 300.

[0117] Specifically, the fourth motor drives the first screw rod to rotate, so that the first nut moves along the first screw rod, and then the first moving block 210 moves, and the mold assembly 300 moves to the loading position.

[0118] Further, the first motor drives the first mechanical arm 420 to rotate, and the second mechanical arm 430 rotates, the second motor drives the second mechanical arm 430 to rotate, and the transmission rod 440 rotates, so that the transmission rod 440 is aligned with the detection sample, the third motor drives the transmission rod 440 to move towards the detection sample 900, and then the mechanical hand device approaches and grabs the detection sample 900. Specifically, the mechanical hand device provides a vacuum environment for the vacuum suction cup by the vacuum generator so that the vacuum suction cup adsorbs the detection sample 900.

[0119] Further, when the mechanical hand device grabs the detection sample 900, the third motor drives the transmission rod 440 to move away from the detection sample 900, and the first motor drives the first mechanical arm 420 to rotate, and the second mechanical arm 430 rotates, the second motor drives the second mechanical arm 430 to rotate, and the transmission rod 440 rotates, so that the transmission rod 440 is aligned with the mold assembly 300, and the third motor drives the transmission rod 440 to move towards the mold assembly 300, and then the mechanical hand device places the detection sample 900 in the mold assembly 300,

[0120] Further, after the detection sample 900 is placed in the mold assembly 300, the vacuum generator stops working, and the loading device 400 continues to place the detection sample 900 in the mold assembly 300 on another conveying device 200, or the loading device 400 removes the detection sample 900 in the mold assembly 300 on another conveying device 200.

[0121] S200, the conveying device 200 conveys the mold assembly 300 to the sealing cover position, and the sealing cover device 500 places the sealing cover 510 in the mold assembly 300.

[0122] Specifically, the fourth motor drives the first screw rod to rotate, so that the first nut moves along the first screw rod, and then the first moving block 210 moves, and the mold assembly 300 moves to the loading position.

[0123] Further, the fifth motor drives the second screw rod to rotate, so that the second nut moves along the second screw rod, and then the second moving block 520 moves to the first mounting position, and the sealing cover 510 is placed in the mold assembly 300.

[0124] Further, the telescopic end of the first cylinder 331 moves towards the fixed end, and then the telescopic end of the second cylinder 333 moves downwards, so that the sealing cover 510 is pressed against the mold plate 320 to protect the detection sample 900.

[0125] Further, the telescopic rod of the bidirectional telescopic cylinder 531 moves away from the cylinder barrel of the bidirectional telescopic cylinder 531, releasing the sealing cover 510, and the fifth motor drives the second reverse screw to rotate, so that the chuck 532 is placed outside the mold assembly 300.

[0126] S300, the conveying device 200 conveys the mold assembly 300 to the detection position.

[0127] Specifically, the fourth motor drives the first screw to rotate, so that the first nut moves along the first screw, thereby driving the first moving block 210 to move, and driving the mold assembly 300 to move to the detection position.

[0128] S400, the liquid level balancing device 600 raises the liquid level in the mold assembly 300, so that the liquid level in the mold assembly 300 submerges the detection sample 900.

[0129] Specifically, the eighth motor drives the fifth screw to rotate, so that the fifth nut moves along the fifth screw, thereby driving the water tank 610 to move to the high position, so that the liquid in the water tank 610 is higher than the height of the sealing cover 510, thereby submerging the sealing cover 510 in the water tank 311.

[0130] S500, the ultrasonic device 700 detects the detection sample 900.

[0131] Specifically, the ninth motor drives the sixth screw to rotate, driving the sixth nut and the sixth moving block 721 to move along the screw, so that the ultrasonic probe 710 moves in the vertical direction of the workbench 100, realizing the focusing function of the ultrasonic probe 710.

[0132] Further, the tenth motor drives the seventh screw rod to rotate, drives the seventh nut and the seventh moving block 731 to move along the screw rod, and further drives the sixth guide rail to move in the first direction, so as to realize the movement of the ultrasonic probe 710 in the first direction; the eleventh motor drives the eighth moving block 742 to move along the eighth guide rail 741, and further drives the seventh guide rail to move in the second direction, so as to realize the movement of the ultrasonic probe 710 in the second direction, and makes the ultrasonic probe 710 move regularly in the horizontal direction. In this process, the host computer controls the data acquisition card to emit the ultrasonic detection signal to the ultrasonic transmitter-receiver, the ultrasonic transmitter-receiver emits the ultrasonic pulse to the preamplifier, the ultrasonic pulse is emitted to the detection sample 900 by the ultrasonic probe 710 after being amplified by the preamplifier, the ultrasonic probe 710 receives the ultrasonic pulse reflected by the detection sample 900, and the ultrasonic pulse is transmitted to the ultrasonic transmitter-receiver after being amplified by the preamplifier, and then is transmitted to the data acquisition card by the ultrasonic transmitter-receiver, and is transmitted to the host computer after being converted by the data acquisition card, and the detection result is obtained by the host computer.

[0133] When the ultrasonic device 700 completes the detection of the detection sample 900, the fourth motor drives the first screw rod to rotate, drives the first nut to move along the first screw rod, and further drives the first moving block 210 to move, and drives the mold assembly 300 to move to the drying position.

[0134] Further, the sixth motor drives the third screw rod to rotate, drives the third nut to move along the third screw rod, and drives the third moving block 810 to move in the first direction to the position corresponding to the mold assembly 300.

[0135] Further, the sixth motor drives the third screw rod to rotate, drives the third nut and the third moving block 810 to move along the screw rod, and drives the third moving block 810 to move towards the mold assembly 300.

[0136] Further, the water vapor in the mold assembly 300 is first sucked by the suction head, and then the water vapor in the mold assembly 300 is blown dry by the jet head.

[0137] When the drying of the mold assembly 300 is completed, the fourth motor drives the first screw rod to rotate, drives the first nut to move along the first screw rod, and further drives the first moving block 210 to move, and drives the mold assembly 300 to move to the discharging position, and the detection sample 900 in the mold assembly 300 is taken out by the feeding device 400.

[0138] Obviously, the above embodiments of the present application are merely exemplary but not intended to limit the embodiments of the present application. Various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the scope of the present application. It is not necessary or possible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. An ultrasonic scanning system, characterized by include: Workbench (100); A conveying device (200) is provided on the workbench (100) and multiple such devices are spaced apart along a first direction. Each conveying device (200) has a mold assembly (300) for holding a test sample (900). The conveying device (200) can drive the mold assembly (300) to move along a second direction, where both the first and second directions are horizontal directions of the workbench (100). The mold assembly (300) includes a base plate (310), a mold plate (320), and a locking mechanism. A water tank (311) is provided on the base plate (310). The mold plate (320) is installed within the base plate (310) and has a sample slot (321) on it, allowing the test sample (900) to be placed within the sample slot (321). The locking mechanism is located on the base plate (310). The locking mechanism includes a first cylinder (331), an L-shaped plate (332), a second cylinder (333), and a pressing member (334). Two first cylinders (331) are provided and symmetrically arranged on the side of the base plate (310) facing away from the water tank (311). The fixed end of the first cylinder (331) is fixedly connected to the base plate (310). The telescopic ends of the two first cylinders (331) extend along a first direction. The L-shaped plate (332) includes a first connecting plate (3321) and a second connecting plate (3322) arranged perpendicular to the first connecting plate (3321). The telescopic end of the first cylinder (331) is connected to the first connecting plate (3321). The second connecting plate (3322) is connected to the fixed end of the second cylinder (333). The telescopic end of the second cylinder (333) is connected to the pressing member (334). A feeding device (400) is provided on the workbench (100) and is capable of placing the test sample (900) into the mold assembly (300); A cover device (500) is arranged on the workbench (100), the cover device (500) can clamp a sealing cover (510) and place the sealing cover (510) in the mold assembly (300), the sealing cover (510) can prevent the detection sample (900) from being waterlogged; when the sealing cover (510) is placed on the mold plate (320), the locking mechanism can press the sealing cover (510) on the mold plate (320); when the sealing cover (510) needs to be taken out of the water tank (311), the extension end of the second air cylinder (333) moves upward, so that the pressing part (334) is arranged outside the slot end face of the water tank (311), the extension end of the first air cylinder (331) moves away from the fixed end, so that the pressing part (334) is located outside the slot wall of the water tank (311), and the sealing cover (510) is taken out through the cover device (500); A liquid level balancing device (600) is arranged on the workbench (100), and the liquid level in the mold assembly (300) can be raised and lowered through the liquid level balancing device (600); An ultrasonic device (700) is arranged on the workbench (100), and the ultrasonic device (700) is used for detecting the detection sample (900).

2. An ultrasound scanning system according to claim 1, characterised in that, The conveying device (200) comprises: A first moving block (210) is movably arranged on the workbench (100), and the mold assembly (300) is arranged on the first moving block (210); A first driving device (220) is arranged on the workbench (100), and the first driving device (220) can drive the first moving block (210) to move in the second direction.

3. The ultrasonic scanning system of claim 1, wherein, The cover device (500) comprises: A second moving block (520) is movably arranged on the workbench (100), and a grabbing mechanism is arranged on the second moving block (520), and the grabbing mechanism can grab and release the sealing cover (510); A second driving device (530) is arranged on the workbench (100), and the second driving device (530) can drive the second moving block (520) to move in the vertical direction of the workbench (100).

4. The ultrasonic scanning system of claim 1, wherein, A drying device (800) is arranged on the workbench (100), when the mold assembly (300) is drained through the liquid level balancing device (600), the drying device (800) can eliminate water vapor in the mold assembly (300).

5. An ultrasound scanning system according to claim 4, characterised in that, The drying device (800) comprises: A third moving block (810) movably arranged on the workbench (100), wherein a spray head and / or a suction head are arranged on the third moving block (810), the spray head is capable of blowing dry the water vapor in the mold assembly (300) by air flow, and the suction head is capable of sucking the water vapor in the mold assembly (300); A third driving device (820) arranged on the workbench (100), and the third driving device (820) is capable of driving the third moving block (810) to move along the vertical direction of the workbench (100); A fourth driving device (830) arranged on the workbench (100), and the fourth driving device (830) is capable of driving the third moving block (810) to move along the first direction.

6. The ultrasonic scanning system of claim 1, wherein, The liquid level balancing device (600) comprises: A water tank (610) movably arranged on the workbench (100), wherein the water tank (610) is in communication with the mold assembly (300); A fifth driving device (620) arranged on the workbench (100), and the fifth driving device (620) is capable of driving the water tank (610) to move along the vertical direction of the workbench (100).

7. The ultrasonic scanning system of claim 1, wherein, A sealing gasket (512) is arranged on the side of the sealing cover (510) facing the mold plate (320), and the sealing gasket (512) can prevent the detection sample (900) from entering water.

8. The ultrasonic scanning system of claim 1, wherein, The ultrasonic device (700) comprises: An ultrasonic probe (710) movably arranged on the workbench (100), wherein the ultrasonic probe (710) is used for detecting the detection sample (900); A sixth driving device (720) arranged on the workbench (100), and the sixth driving device (720) is capable of driving the ultrasonic probe (710) to move along the vertical direction of the workbench (100); A seventh driving device (730) arranged on the workbench (100), and the seventh driving device (730) is capable of driving the ultrasonic probe (710) to move along the first direction; An eighth driving device (740) arranged on the workbench (100), and the eighth driving device (740) is capable of driving the ultrasonic probe (710) to move along the second direction.

9. A control method using the ultrasonic scanning system according to any one of claims 1 to 8, characterized by, The method comprises the following steps: S100, the feeding device (400) places the detection sample (900) in the mold assembly (300); S200, the conveying device (200) conveys the mold assembly (300) to a sealing cover position, and the sealing cover device (500) places the sealing cover (510) in the mold assembly (300); S300, the conveying device (200) conveys the mold assembly (300) to a detection position; S400, the liquid level balancing device (600) raises the liquid level in the mold assembly (300), so that the liquid level in the mold assembly (300) submerges the detection sample (900); S500, the ultrasonic device (700) detects the detection sample (900).

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