A device for detecting cracks in the wall of a ceramic pot

Abstract

This invention belongs to the field of crack detection technology and discloses a device for detecting cracks in the walls of ceramic jars. The device includes a detection box, comprising a detection section and a feeding section. The feeding section includes a feeding port and a slide rail, with a feeding plate slidably connected to the slide rail. The detection section includes an extraction component and a detection component. The extraction component includes a top cover and a sealing block, with clamping claws at the bottom of the sealing block. It also includes a moving rod with an expansion air bladder around its outer periphery. The moving rod has a connecting airflow channel, a flow chamber, and an air inlet sequentially arranged on it. The airflow channel communicates with the expansion air bladder, and a sealing plug is provided inside the air inlet. The moving rod passes through the top of the detection box and is driven by a cylinder. The detection component includes a drive ring rotatably connected inside the detection box, with a laser detection head mounted on the inner ring of the drive ring. It also includes a drive component that rotates the drive ring. This invention solves the problem of long detection times in existing methods.

Description

Technical Field

[0001] This invention belongs to the field of crack detection technology, specifically relating to a device for detecting cracks in the walls of ceramic jars. Background Technology

[0002] Earthenware jars are made from clay through processes such as clay selection, shaping, glazing, and firing. They are commonly used as earthenware containers for holding liquids or food. During production, the temperature, humidity, or other conditions can affect the jar's surface, potentially causing cracks that are difficult to detect with the naked eye. If these potential defects are not detected in time before use, leaks or cracking due to temperature changes may occur. Therefore, after production, earthenware jars need to be inspected for cracks. The traditional method involves placing the jar in a water tank, sealing the opening, and introducing gas into the jar. If bubbles appear in the water, it indicates the presence of cracks. However, this method is time-consuming, and the outer wall of the jar needs to be dried after inspection to prevent dust adhesion, adding unnecessary steps. Summary of the Invention

[0003] The present invention aims to provide a device for detecting cracks in the walls of ceramic jars, in order to solve the problem of the long time consumption of existing detection methods.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a ceramic jar wall crack detection device, comprising a detection box, the detection box comprising an upper detection section and a lower feeding section, the feeding section comprising a feeding port and a slide rail passing through the feeding port and extending into the detection box, a feeding plate being slidably connected on the slide rail; the detection section comprising an extraction component located at the top of the detection box and a detection component located on the inner wall of the detection box, the detection component being wrapped around the extraction component;

[0005] The extraction component includes a top cover and a sealing block fixed to the bottom of the top cover. Multiple clamping claws are evenly distributed on the bottom of the sealing block, each clamping component consisting of multiple clamping blocks hinged together in sequence. It also includes a moving rod penetrating the top cover and the sealing block. A storage groove is provided around the outer periphery of the moving rod, containing an expansion airbag. Multiple airflow channels communicating with the expansion airbag are provided on the moving rod. The top of the moving rod also has a guide cavity communicating with the multiple airflow channels and an air inlet communicating with the guide cavity. A sealing plug is provided inside the air inlet. The moving rod penetrates the top of the detection box and is slidably connected to the detection box. A cylinder driving the moving rod to slide is also provided on the top of the detection box.

[0006] The testing component includes a drive ring rotatably connected inside the testing box, with a laser testing head installed on the inner ring of the drive ring, and also includes a drive component that drives the drive ring to rotate.

[0007] In the above technical solution, the ceramic jar to be tested is placed on the feeding plate and slid along the slide rail into the testing box. Then, the extraction device is activated, inserting itself into the ceramic jar and lifting it, suspending the jar in the air. The laser detection head of the detection device then inspects the wall of the ceramic jar. Moreover, laser detection is fast and takes less time.

[0008] When extracting the pottery jar, the sealing block is inserted into the jar, and gas is introduced into the expansion bladder. This causes the expansion bladder to expand, which in turn drives the clamping block to rotate and adhere to the inner top wall of the pottery jar, thus fixing the inside of the jar and facilitating its extraction.

[0009] Compared to traditional detection methods that require introducing gas into the entire ceramic jar, this technical solution only requires inflating the air bladder to press the clamping block against the top of the ceramic jar. Moreover, the laser head detection is fast and effective, reducing detection time and improving detection accuracy.

[0010] In another preferred embodiment of the present invention, the drive ring is an external gear ring, a motor is fixed on the top of the detection box, the output shaft of the motor passes through the top of the detection box and is rotatably connected to the detection box, and a drive gear that meshes with the drive ring is fixed on the output shaft of the motor.

[0011] In another preferred embodiment of the present invention, a switch for controlling the opening and closing of the motor is provided on the inner top surface of the detection box above the top cover.

[0012] In another preferred embodiment of the present invention, a fixing rod is further included through the moving rod. The fixing rod and the moving rod are coaxially arranged and threadedly connected. A suction cup is provided at the bottom of the fixing rod. A sealing flow channel is provided inside the fixing rod. A through hole communicating with the sealing flow channel is provided on the suction cup. A soft plug is provided inside the through hole.

[0013] In another preferred embodiment of the present invention, the flow guiding cavity includes an upper driving cavity and a lower air guiding cavity, with a flow guiding hole between the driving cavity and the air guiding cavity, and the flow guiding channel communicating with the air guiding cavity; the fixing rod is located in the driving cavity, and the fixing rod includes a lower threaded section and an upper splined section, with a fan blade connected to the splined section, and the fan blade is located in the driving cavity; a one-way valve is provided in the flow guiding hole; the one-way valve includes a conical barrel with the large diameter section facing downward and a sealing ball located in the conical barrel, with a spring provided between the sealing ball and the side wall of the conical barrel.

[0014] In another preferred embodiment of the present invention, a spline sleeve is rotatably connected to the bottom of the drive cavity, the spline sleeve is spline-connected to the fixed rod, and a torsion spring is also sleeved on the fixed rod. One end of the torsion spring is fixed to the spline sleeve, and the other end is fixed to the drive cavity. It also includes a limiting member for restricting the spline sleeve from reversing. The limiting member includes protrusions evenly arranged outside the spline sleeve and a limiting block located at the bottom of the drive cavity. An annular groove is provided at the end of the sealing plug, and the limiting block is located in the annular groove. The limiting block is a magnetic block, and a magnet that attracts the magnetic block is provided at the bottom of the drive cavity.

[0015] In another preferred embodiment of the present invention, the bottom of the top cover is provided with slide rails on both sides of the sealing block. The slide rails are threaded rods rotatably connected to the top cover. Each threaded rod is fixed with a slider, and a clamping block is fixed on the slider. An arc-shaped clamping block is provided on the opposite side of the clamping block.

[0016] In another preferred embodiment of the present invention, the top cover is provided with a cavity, the splined section of the fixing rod is splined with a driving bevel gear, and the slide rails are all fixed with driven bevel gears that mesh with the driving bevel gear.

[0017] In another preferred embodiment of the present invention, a placement groove is provided on the feeding plate, a magnet layer is provided on the side of the feeding plate near the detection box, and a metal layer that attracts the magnet layer is provided on the side of the detection box opposite to the feeding port; a cylinder for driving the feeding plate to slide is provided at the bottom of the slide.

[0018] In another preferred embodiment of the present invention, a plurality of positioning blocks are evenly arranged in the placement groove, and a spring is provided between the positioning block and the inner wall of the placement groove. The top of the positioning block is inclined downward from the outside to the inside.

[0019] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a longitudinal sectional view of an embodiment of this application.

[0022] Figure 2 yes Figure 1 Top view of the feeder plate.

[0023] Figure 3 yes Figure 1 Enlarged view of section A.

[0024] Figure 4 yes Figure 1 Enlarged view of section B.

[0025] The reference numerals in the accompanying drawings of the instruction manual include: 1. Detection box; 2. Feed port; 3. Slide rail; 4. Feed plate; 5. Placement groove; 6. Positioning block; 7. Limiting post; 8. Sealing block; 9. Clamping claw; 10. Moving rod; 11. Inflatable airbag; 12. Drive chamber; 13. Air guide chamber; 14. Flow guide hole; 15. Conical barrel; 16. Sealing ball; 17. Air inlet; 18. Sealing plug; 19. Limiting block; 20. Fixing rod; 21. Suction cup; 22. Through hole; 23. Sealing flow channel; 24. Fan blade; 25. Spline sleeve; 26. Protrusion; 27. Slide groove; 28. Slide rail; 29. ​​Slider; 30. Clamping block; 31. Arc-shaped clamping block; 32. Cavity; 33. Driving bevel gear; 34. Drive ring; 35. Detection rod; 36. Laser detection head; 37. Motor; 38. Drive gear; 39. Ceramic jar; 40. Detailed Implementation

[0026] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0027] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0028] In the description of this invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two components. They can be direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0029] This invention provides a device for detecting cracks in the walls of ceramic jars, such as... Figure 1As shown, in a preferred embodiment of the present invention, it includes a detection box 1, which comprises a lower feeding section and an upper detection section. The feeding section includes a feeding port 2 located on the left side of the detection box 1 and a slide rail 3 extending through the feeding port 2 into the detection box 1. In this embodiment, two slide rails 3 are arranged parallel to each other. It also includes a feeding plate 4, which is laterally slidably connected to the slide rails 3. A cylinder is fixed between the left ends of the slide rails 3, and the push rod of the cylinder is fixed to the left end of the feeding plate 4, thus enabling the feeding plate 4 to move laterally.

[0030] A magnet layer is fixed to the right end of the feeding plate 4, and a metal layer is provided on the inner right side of the detection box 1. In this embodiment, the metal layer is an iron block. Therefore, when the feeding plate 4 is fed into the detection box 1, the magnet layer and the metal layer attract and fix each other, thus ensuring that the position of the ceramic jar 40 remains unchanged.

[0031] Combination Figure 2 As shown, the top surface of the feeding plate 4 is provided with a placement groove 5, and multiple positioning blocks 6 are evenly arranged in the placement groove 5. The number of positioning blocks 6 is set according to actual needs. In this embodiment, three are set. A spring is provided between the positioning block 6 and the inner wall of the placement groove 5. The top of the positioning block 6 is inclined downward from the outside to the inside. A limit post 7 is also fixed on the outside of the positioning block 6. The limit post 7 is inserted into the feeding plate 4 and is slidably connected to the feeding plate 4.

[0032] The testing department includes extracts and test samples, combined with... Figure 3 As shown, the extraction component includes a top cover and a sealing block 8 fixed to the bottom of the top cover. The lower part of the sealing block 8 is conical. Multiple clamping claws 9 are evenly arranged on the bottom of the sealing block 8. The number of clamping claws 9 is selected according to actual needs; in this embodiment, four clamping claws 9 are provided. Each clamping claw 9 includes three clamping blocks that are hinged together in sequence, with the top clamping block fixed to the sealing block 8. A suction cup 21 is provided on the outer side of the clamping block, and a through hole 22 is provided on the suction cup 21. A pressure relief hole communicating with the through hole 22 is provided on the clamping block.

[0033] It also includes a movable rod 10 that passes through the top cover and the sealing block 8. The movable rod 10 also passes through the top of the detection box 1 and is vertically slidably connected to the top of the detection box 1. A drive plate is fixed above the movable rod 10 in the detection box 1. A cylinder is fixed to the top of the detection box 1. The push rod of the cylinder is fixed to the drive plate. Therefore, the cylinder can drive the extraction piece to move up and down, thereby completing the extraction of the ceramic jar 40.

[0034] The moving rod 10 is located inside the clamping jaw 9, and a storage groove is provided on the moving rod 10 inside the clamping jaw 9, within which an inflatable airbag 11 is fixed. Multiple guide channels are evenly arranged on the moving rod 10, the number of which is selected according to actual needs. Combined with... Figure 4As shown, the moving rod 10 is provided with a flow guide cavity above the top cover. The flow guide cavity includes an upper driving cavity 12 and a lower air guide cavity 13. The air guide cavity 13 is connected to the top of the flow guide channel. The moving rod 10 is also provided with flow guide holes 14 at both ends that are connected to the driving cavity 12 and the air guide cavity 13 respectively.

[0035] A one-way valve is provided inside the flow guide hole 14. The one-way valve includes a conical barrel 15 with its large diameter section facing downward and a sealing ball 16 located inside the conical barrel 15. A spring is provided between the sealing ball 16 and the conical barrel 15. A first magnetic block is provided inside the sealing ball 16. An air inlet 17 communicating with the drive chamber 12 is also provided on the left side of the moving rod 10. An air inlet pipe is connected to the air inlet 17. A sealing plug 18 is connected to the moving rod 10 inside the air inlet 17. An annular groove is provided on the right end face of the sealing plug 18. A limiting block 19 is slidably connected in the annular groove. A magnet is provided at the bottom of the drive chamber 12. The limiting block 19 is a magnetic block that attracts the magnet and repels the first magnetic block.

[0036] It also includes a fixed rod 20 that penetrates the movable rod 10. The fixed rod 20 includes an upper splined section and a lower threaded section. The threaded section is threadedly connected to the lower part of the movable rod 10. A suction cup 21 is provided at the bottom of the fixed rod 20, and a through hole 22 is provided on the suction cup 21. A sealed flow channel 23 is provided inside the fixed rod 20, and a soft plug is provided inside the through hole 22.

[0037] The splined section within the drive cavity 12 is splinedly connected to a fan blade 24, with the air inlet 17 positioned opposite the fan blade 24. A splined sleeve 25 is splinedly connected to the moving rod 10 below the fan blade 24 within the drive cavity 12, and the splined sleeve 25 is rotatably connected to the bottom of the drive cavity 12. A torsion spring is fitted onto the splined sleeve 25, with one end fixed to the splined sleeve 25 and the other end fixed to the side wall of the drive cavity 12. A limiting member is provided at the bottom of the splined sleeve 25, comprising multiple protrusions 26 evenly arranged outside the splined sleeve 25. When a limiting block 19 is inserted between adjacent protrusions 26, it restricts the rotation of the splined sleeve 25.

[0038] The top cover has grooves 27 on both the left and right sides of the sealing block 8. A slide rail 28 is rotatably connected within the groove 27. A cavity 32 is provided on the top cover between the two slide rails 28. The slide rails 28 pass through the cavity 32 and are located within the cavity 32. The slide rail 28 is a threaded rod, and a slider 29 is threadedly connected to the slide rail 28. The slider 29 is slidably connected to the top of the groove 27.

[0039] The portion of the moving rod 10 located within the cavity 32 is splinedly connected to a driving bevel gear 33. The slide rail 28 located within the cavity 32 is fixed with a driven bevel gear 34 that meshes with the driving bevel gear 33. A clamping block 30 is fixed to the slider 29, and an arc-shaped clamping block 31 is fixed to the opposite side of the bottom end of each clamping block 30.

[0040] The detection component includes a drive ring 35 rotatably connected to the top of the detection chamber 1, which surrounds the extraction component. A vertical detection rod 36 is located on the inner ring of the drive ring 35, and multiple laser detection heads 37 are located on the right side of the detection rod 36. The component also includes a drive unit that rotates the drive ring 35. The drive unit includes a motor 38 fixed to the top of the detection chamber 1. The output shaft of the motor 38 passes through the top of the detection chamber 1 and is rotatably connected to it. A drive gear 39 is coaxially fixed to the output shaft of the motor 38, and the drive ring 35 is an external gear ring meshing with the drive gear 39. A switch controlling the opening and closing of the motor 38 is fixed on the inner wall of a fixed side of the detection chamber 1, located above the top cover.

[0041] The specific implementation process is as follows:

[0042] The ceramic jar 40 to be tested is placed in the placement groove 5 on the feeding plate 4 and restricted by the positioning block 6. Then, the feeding plate 4 is slid into the testing box 1 by the cylinder. When the right end of the feeding plate 4 abuts against the inner wall of the left side of the testing box 1, the feeding plate 4 is fixed by the mutual attraction between the magnetic layer and the metal layer.

[0043] The top cylinder is then activated, causing the moving rod 10 to move downwards, thus lowering the extractor and inserting the sealing block 8 into the ceramic jar 40. The sealing block 8 seals the opening of the ceramic jar 40. At this point, the clamping claw 9, the bottom of the moving rod 10, and the fixing rod 20 are all located inside the ceramic jar 40. Gas is then introduced from the top of the air inlet 17 using a blower. The gas impacts the fan blades 24, causing them to rotate. This rotation drives the fixing rod 20 to rotate and move downwards, gradually bringing the suction cup 21 at the bottom of the fixing rod 20 into contact with the ceramic jar 40, thus securing the fixing rod 20 to the ceramic jar 40. Simultaneously, the torsion spring stores energy.

[0044] The gas in the driving chamber 12 enters the air guiding chamber 13 through the guide hole 14, and then enters the expansion chamber through the guide channel, thus expanding the airbag 11. After the airbag 11 expands, it drives the clamping claw 9 to move outward and gradually abut against the top of the ceramic pot 40, and squeezes the suction cup 21, thus fixing the suction cup 21 to the ceramic pot 40. Moreover, the airbag 11 seals the pressure relief hole on the clamping claw 9, thus achieving a tight fixation between the suction cup 21 and the ceramic pot 40.

[0045] Moreover, when the fixed rod 20 rotates, it will drive the active bevel gear 33 to rotate. Through the transmission of the driven bevel gear 34, the slide rail 28 rotates, causing the slider 29 to move, which in turn drives the clamping block 30 to move relative to it, so that the arc-shaped clamping block 31 clamps the outside of the pottery jar 40.

[0046] The sealing flow channel 23 is then sealed with a soft plug, and the air inlet 17 is sealed by rotating the sealing plug 18. When the sealing plug 18 rotates, the limiting block 19 is attracted by the magnetic block and will stick tightly inside the drive cavity 12, so it will not rotate with the sealing plug 18, but it will move with the sealing plug 18 and insert between the adjacent protrusions 26 to restrict the spline sleeve 25 and prevent the spline sleeve 25 and the fixing rod 20 from rotating. At this time, the guide hole 14 is also sealed, thus sealing the inflatable airbag 11.

[0047] At this time, the outer side of the ceramic jar 40 is clamped by clamping blocks 30 and arc-shaped clamping blocks 31. The upper inner side of the ceramic jar 40 is clamped by clamping claws 9 and tightened and fixed by inflatable airbags 11. The bottom of the ceramic jar 40 is sucked and fixed by suction cups 21, thus completing the clamping of the ceramic jar 40. Then, the cylinder at the top drives the moving rod 10 to move upward, thereby moving the clamped ceramic jar 40 upward until the top cover abuts against the top of the detection box 1. At this time, the top cover presses the switch, causing the motor 38 to start. Therefore, the motor 38 drives the drive gear 39 to rotate, thereby causing the drive ring 35 to rotate, so that the laser detection head 37 rotates along the wall of the ceramic jar 40, thus completing the detection of the wall of the ceramic jar 40 and determining whether there are cracks.

[0048] After the test is completed, the top cylinder moves the ceramic pot 40 down onto the feeding plate 4, opening the sealing plug 18 and the soft plug. The limiting block 19 of the limiting spline sleeve 25 exits from the protrusion 26, and the fixing rod 20 rotates in the opposite direction, causing it to move upward and loosen from the bottom of the ceramic pot 40. The slide rail 28 rotates in the opposite direction, causing the clamping blocks 30 to move away from each other, thus releasing the ceramic pot 40. Furthermore, the gas in the expansion airbag 11 is discharged, the force squeezing the clamping claw 9 disappears, and the gas enters the suction cup 21 through the pressure relief hole, causing the clamping claw 9 to detach from the ceramic pot 40. Then, the extraction piece moves upward, detaching from the ceramic pot 40.

[0049] Then, the lower cylinder drives the feeding plate 4 to slide out of the testing box 1, thereby driving the tested ceramic jar 40 to slide out of the testing box 1.

[0050] In the description of this specification, references to terms such as "preferred embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0051] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A device for detecting cracks in the wall of a ceramic jar, characterized in that: The device includes a testing box, which comprises an upper testing section and a lower feeding section. The feeding section includes a feeding port and a slide rail that passes through the feeding port and extends into the testing box. A feeding plate is slidably connected to the slide rail. The testing section includes an extractor located at the top of the testing box and a testing component located on the inner wall of the testing box. The testing component is wrapped around the extractor. The extraction component includes a top cover and a sealing block fixed to the bottom of the top cover. Multiple clamping claws are evenly distributed on the bottom of the sealing block, each claw comprising multiple clamping blocks hinged together in sequence. It also includes a moving rod penetrating the top cover and the sealing block. A storage groove is provided around the outer periphery of the moving rod, containing an expansion airbag. Multiple airflow channels communicating with the expansion airbag are provided on the moving rod. The top of the moving rod also has a guide cavity communicating with the multiple airflow channels and an air inlet communicating with the guide cavity, with a sealing plug inside the air inlet. The moving rod penetrates the top of the detection box and is slidably connected to the detection box. A cylinder driving the moving rod to slide is also provided on the top of the detection box. The testing component includes a drive ring rotatably connected inside the testing box, with a laser testing head installed on the inner ring of the drive ring, and also includes a drive component that drives the drive ring to rotate. It also includes a fixed rod that passes through the moving rod. The fixed rod and the moving rod are coaxially arranged and threadedly connected. The bottom of the fixed rod is provided with a suction cup. The fixed rod is provided with a sealing channel. The suction cup is provided with a through hole that communicates with the sealing channel. A soft plug is provided in the through hole. The flow guide cavity includes an upper drive cavity and a lower air guide cavity. A flow guide hole is provided between the drive cavity and the air guide cavity, and the flow guide channel is connected to the air guide cavity. The fixed rod is located in the drive cavity. The fixed rod includes a lower threaded section and an upper spline section. A fan blade is splined on the spline section and the fan blade is located in the drive cavity. A spline sleeve is rotatably connected to the bottom of the drive cavity. The spline sleeve is splinedly connected to the fixed rod, and a torsion spring is also sleeved on the fixed rod. It also includes a limiting component for restricting the spline sleeve from reversing. The bottom of the top cover is equipped with slide rails on both sides of the sealing block. The slide rails are threaded rods that are rotatably connected to the top cover. Each threaded rod has a slider fixed on it, and a clamping block is fixed on the slider. An arc-shaped clamping block is provided on the opposite side of the clamping block. In use, the sealing block is inserted into the ceramic pot to seal the opening of the pot. At this time, the clamping claw, the bottom of the moving rod, and the fixed rod are all located inside the ceramic pot. Then, the blower introduces gas from the top of the air inlet. The gas impacts the fan blades, causing them to rotate. At the same time, the fixed rod rotates and moves downward, so that the suction cup at the bottom of the fixed rod gradually comes into contact with the ceramic pot, thus fixing the fixed rod to the ceramic pot. Meanwhile, the torsion spring stores energy. The gas in the driving chamber will enter the air guiding chamber through the guide hole, and then enter the expansion chamber through the guide channel to realize the expansion of the air bladder; after the air bladder expands, it will drive the clamping claw to move outward and gradually come into contact with the top of the pottery jar. When the fixed rod rotates, it will drive the slide rail to rotate, causing the slider to move, which in turn causes the clamping block to move relative to it, so that the arc-shaped clamping block clamps the outside of the pottery jar. The flow channel is sealed with a soft plug, and the air inlet is sealed by rotating the sealing plug, thus completing the clamping of the ceramic pot. The moving rod moves upward, causing the clamped pottery jar to move upward, driving the ring to rotate, which causes the laser detection head to rotate along the pottery jar wall, thus completing the detection of the pottery jar wall and determining whether there are cracks.

2. The ceramic jar wall crack detection device according to claim 1, characterized in that: The drive ring is an external gear ring. A motor is fixed on the top of the test box. The output shaft of the motor passes through the top of the test box and is rotatably connected to the test box. A drive gear that meshes with the drive ring is fixed on the output shaft of the motor.

3. The ceramic jar wall crack detection device according to claim 2, characterized in that: A switch for controlling the motor's on / off state is located on the top surface inside the testing chamber, above the top cover.

4. The ceramic jar wall crack detection device according to claim 3, characterized in that: One end of the torsion spring is fixed to the spline sleeve, and the other end is fixed to the drive cavity; the limiting component includes protrusions evenly arranged outside the spline sleeve and a limiting block located at the bottom of the drive cavity, the end of the sealing plug is provided with an annular groove, the limiting block is located in the annular groove, the limiting block is a magnetic block, and the bottom of the drive cavity is provided with a magnet that attracts the magnetic block.

5. The ceramic jar wall crack detection device according to claim 4, characterized in that: The top cover has a cavity, and the splined section of the fixed rod is splined with a driving bevel gear. The slide rails are all fixed with driven bevel gears that mesh with the driving bevel gear.

6. The ceramic jar wall crack detection device according to claim 5, characterized in that: The feeding plate is provided with a placement groove, and a magnetic layer is provided on the side of the feeding plate near the detection box. A metal layer that attracts the magnetic layer is provided on the side of the detection box opposite to the feeding port. A cylinder for driving the feeding plate to slide is provided at the bottom of the slide.

7. The ceramic jar wall crack detection device according to claim 6, characterized in that: Multiple positioning blocks are evenly arranged in the placement groove. A spring is provided between the positioning block and the inner wall of the placement groove. The top of the positioning block is inclined downward from the outside to the inside.

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