Device and method for nondestructive inspection of heavy hammer of single crystal furnace

Abstract

The invention relates to the technical field of single crystal furnace heavy hammer maintenance, in particular to a single crystal furnace heavy hammer nondestructive flaw detection device and method.The single crystal furnace heavy hammer nondestructive flaw detection device comprises a flaw detection frame, the inner side of the flaw detection frame comprises a flaw detection cavity and a spraying cavity, and a transverse adjusting assembly is arranged in the flaw detection frame and comprises a guide rail; a longitudinal lifting assembly is fixedly installed at the top end of the connecting frame and comprises a supporting block used for containing a heavy hammer body, and heavy hammer rotating assemblies used for driving the heavy hammer body to rotate are fixedly installed on the two sides of the connecting frame. Through the arrangement of the telescopic longitudinal lifting assembly, the placing difficulty of the heavy hammer body can be reduced, through automatic rotation of the heavy hammer body, the end face of the heavy hammer body is flushed and scattered through the cleaning module, and through alternate arrangement of the first isolation water tank and the second isolation water tank, surface cleaning at the same position is achieved; and the complexity of the structure is reduced compared with the operation of a plurality of procedures of applying a developing agent.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of single crystal furnace weight maintenance, in particular to a device and method for nondestructive testing of a single crystal furnace weight. BACKGROUND

[0002] The single crystal furnace weight is a core component of a single crystal silicon growth device, and is prone to surface and internal hidden cracks, pores, inclusions and other defects after long-term work in a high-temperature, high-pressure and strong corrosion environment or after being knocked. These defects can cause the weight to fail, thereby affecting the growth quality of single crystal silicon and the safe operation of the device, and sometimes even causing accidents and equipment losses. Traditional visual inspection or simple tool detection cannot detect small defects, and destructive testing methods will affect the integrity of the component.

[0003] The purpose of the single crystal furnace weight testing is to timely detect defects such as cracks and pores on the surface of the weight through nondestructive testing technology, to ensure the structural integrity and functionality of the weight, to avoid equipment failure or production accidents caused by defects, and to improve the quality and efficiency of single crystal silicon furnace production.

[0004] Therefore, it is necessary to provide a device and method for nondestructive testing of a single crystal furnace weight to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a device and method for nondestructive testing of a single crystal furnace weight, which satisfies the purpose of multiple process operations on the device to be detected in one device through integrated setting.

[0006] To achieve this purpose, the present application adopts the following technical solutions: A device for nondestructive testing of a single crystal furnace weight is provided, which includes a testing frame, the inner side of the testing frame includes a testing cavity and a spraying cavity, a horizontal adjustment assembly is arranged inside the testing frame, the horizontal adjustment assembly includes a guide rail, a connecting frame is slidingly installed on the guide rail, a vertical lifting assembly is fixedly installed at the top end of the connecting frame, the vertical lifting assembly includes a support block for placing a weight body, a weight rotating assembly for driving the weight body to rotate is fixedly installed on both sides of the connecting frame, a cleaning module is installed inside the spraying cavity, cleaning nozzles and developer nozzles are arranged on both sides of the bottom end of the cleaning module, a cleaning assembly is rotatably installed on the inner side of the cleaning module, the cleaning assembly includes a wiping sliding block sliding along the length direction of the cleaning module, a penetrant spraying assembly is slidingly installed at one end of the cleaning module, and wiping assemblies are installed at both ends of the cleaning module.

[0007] As a preferred scheme of the device for nondestructive testing of single crystal furnace weight hammer, the top end of the spraying cavity is provided with a top support plate, the top end of the top support plate is fixedly installed with an electric push rod, the output end of the electric push rod is fixedly connected with a cleaning module, the inner side of the cleaning module is provided with an isolation water tank one and an isolation water tank two, the top end of the top support plate is provided with a plurality of spraying water tanks, the spraying water tanks include a cleaning water tank communicated with the isolation water tank one, a developer storage tank communicated with the isolation water tank two, and a penetrant storage tank communicated with the penetrant spraying assembly, and the top end of the cleaning module is provided with a plurality of guide columns extending to the outside of the top support plate.

[0008] As a preferred scheme of the device for nondestructive testing of single crystal furnace weight hammer, the cleaning assembly further comprises a rotating motor and a threaded rod, the output end of the rotating motor is fixedly connected with the threaded rod, the wiping sliding block is threadedly connected with the threaded rod, the top end of the wiping sliding block is located at the bottom end of the cleaning nozzle and the developer nozzle, the bottom end of the wiping sliding block is provided with a wiping cloth mounting curved surface, and the top end of the wiping sliding block is provided with a guide sliding block slidingly located in the gap between the nozzles.

[0009] As a preferred scheme of the device for nondestructive testing of single crystal furnace weight hammer, the penetrant spraying assembly comprises a longitudinal sliding block, a limiting column and a reset spring one, the longitudinal sliding block is slidingly arranged on one side of the cleaning module close to the middle of the testing frame, the limiting column is fixedly installed at the top end of the longitudinal sliding block, and the reset spring one is sleeved on the outer side of the limiting column, one side of the longitudinal sliding block is communicated with the penetrant storage tank through a conveying hose, and the bottom end of the longitudinal sliding block is provided with a plurality of injection holes, and one side of the injection hole is provided with a plurality of soft brushes.

[0010] As a preferred scheme of the device for nondestructive testing of single crystal furnace weight hammer, the end of the guide sliding block is provided with an inclined extrusion end face, and the side of the longitudinal sliding block close to the wiping sliding block is provided with a plug-in clamping block; when one end of the wiping sliding block is attached to the longitudinal sliding block, the longitudinal sliding block slides downward, and the soft brush is located at the bottom end of the wiping sliding block; when one end of the wiping sliding block is separated from the longitudinal sliding block, the longitudinal sliding block slides upward, and the soft brush is located at the top end of the wiping sliding block.

[0011] As a preferred scheme of the device for nondestructive testing of single crystal furnace weight hammer, the wiping assembly further comprises a roller mounting frame and a smearing roller, the roller mounting frame slides in the groove on the inner side of the cleaning module, the smearing roller is rotationally connected with the roller mounting frame, one side of the roller mounting frame extends to the outer side of the cleaning module through a connecting column, the end of the connecting column is connected with a guide curved block, the outer side of the connecting column is sleeved with a reset spring two, and the bottom end of the top support plate is fixedly installed with an extrusion push block for extruding the guide curved block; when the extrusion push block extrudes the guide sliding block, the smearing roller is extruded inward.

[0012] As a preferred solution of the device for non-destructive testing of the single crystal furnace weight, the lateral adjusting assembly further comprises a rack fixed to the inner side of the guide rail, the longitudinal lifting assembly comprises a plurality of telescopic motors, the weight rotating assembly comprises a longitudinal mounting plate, the inner side of the longitudinal mounting plate is fixedly connected with the telescopic motor, the outer side of the longitudinal mounting plate is fixedly installed with a motor mounting frame, one side of the motor mounting frame is fixedly installed with a driving motor one, and the output end of the driving motor one is connected with a driving gear meshing with the rack.

[0013] As a preferred solution of the device for non-destructive testing of the single crystal furnace weight, the lateral adjusting assembly further comprises a rack fixed to the inner side of the guide rail, the longitudinal lifting assembly comprises a plurality of telescopic motors, the weight rotating assembly comprises a longitudinal mounting plate, the inner side of the longitudinal mounting plate is fixedly connected with the telescopic motor, the outer side of the longitudinal mounting plate is fixedly installed with a motor mounting frame, one side of the motor mounting frame is fixedly installed with a driving motor one, and the output end of the driving motor one is connected with a driving gear meshing with the rack.

[0014] As a preferred solution of the device for non-destructive testing of the single crystal furnace weight, the lateral adjusting assembly further comprises a rack fixed to the inner side of the guide rail, the longitudinal lifting assembly comprises a plurality of telescopic motors, the weight rotating assembly comprises a longitudinal mounting plate, the inner side of the longitudinal mounting plate is fixedly connected with the telescopic motor, the outer side of the longitudinal mounting plate is fixedly installed with a motor mounting frame, one side of the motor mounting frame is fixedly installed with a driving motor one, and the output end of the driving motor one is connected with a driving gear meshing with the rack.

[0015] The method for non-destructive testing of the single crystal furnace weight, step S1: surface cleaning, the weight body is placed on the top end of the support block, the telescopic motor is retracted, the driving motor two drives the driving straight gear to rotate, the driving motor one drives the connecting frame to move to the spraying cavity, the cleaning nozzle cleans the surface of the weight body in the rotating state, and the rotating body is placed and dried to ensure that there is no residue; Step S2: applying penetrant, rotating the threaded rod in the cleaning assembly, making the end face of the wiping sliding block abut against the longitudinal sliding block, sliding the longitudinal sliding block downward, lowering the cleaning module to make the soft brush abut against the end face of the weight body, reciprocating the connecting frame by the lateral adjusting assembly, uniformly applying the penetrant to the end face of the weight body, and penetrating for 5-30 minutes; Step S3: removing excess penetrant, moving the weight body to the bottom end of the cleaning module, lowering the cleaning module to make the wiping cloth contact the end face of the weight body, extruding the guide curved block by the extruding push block, rotating and moving the wiping sliding block by the threaded rod to make the wiping sliding block and the wiping roller synchronous to wipe the penetrant; Step S4: applying developing agent, after wiping, moving the wiping sliding block to a position where the wiping sliding block cannot contact the weight body, working the developing agent nozzle, and uniformly applying the developing agent by the wiping roller; Step S5: observation and record, after the completion of the coating, the lateral adjustment assembly drives the connecting frame to move to the flaw detection cavity, the weight rotating assembly drives the weight body to rotate continuously, the adjusting lamp is turned on, white light or ultraviolet light is irradiated, multi-angle shooting is carried out through the shooting assembly, and the defect position, shape and size are recorded; Step S6: post-processing; the end surface of the weight body is cleaned on the inner side of the spraying cavity, and after the cleaning is completed, it is transported to the flaw detection cavity and is lifted by the longitudinal lifting assembly, so that it is convenient to take out.

[0016] The beneficial effects of the present application are: through the setting of the telescopic longitudinal lifting assembly, the difficulty of placing the weight body is reduced, the end surface of the weight body is scattered through the automatic rotation of the weight body and the cleaning module, the surface cleaning and the operation of multiple processes of applying the developer are realized at the same position through the alternative setting of the isolation water tank 1 and the isolation water tank 2, the complexity of the structure is reduced, the longitudinal sliding block is contacted with the weight body through the wiping sliding block extruding the longitudinal sliding block, so that the soft brush for coating can coat the penetrant on the surface of the weight body, uniform coating is realized, and the penetration effect is ensured; the surface of the weight body is cleaned by controlling the descent of the cleaning assembly, so that the wiping sliding block is attached to the end surface of the weight body, the excess penetrant is cleaned; the multiple surfaces of the weight body can be shot in all directions by moving the weight body to which the developer is applied to the flaw detection cavity, the artificial operation strength and difficulty are greatly reduced, and the whole process automation from pretreatment to final detection is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0018] Figure 1 is the overall structure schematic diagram of the present application.

[0019] Figure 2 is the internal structure schematic diagram of the flaw detection frame of the present application.

[0020] Figure 3 is the structure assembly schematic diagram of the lateral adjustment assembly of the present application.

[0021] Figure 4 is the structure assembly schematic diagram of the longitudinal lifting assembly of the present application. Figure 5 is the enlarged structure schematic diagram of A in the present application.

[0022] Figure 5 is the structure assembly schematic diagram of the longitudinal lifting assembly of the present application.

[0023] Figure 6It is the bottom structure schematic diagram of the cleaning module of the application.

[0024] Figure 7 It is the bottom structure schematic diagram of the cleaning module of the application. Figure 6 It is the bottom structure schematic diagram of the cleaning module of the application.

[0025] Figure 8 It is the bottom structure schematic diagram of the cleaning module of the application.

[0026] Figure 9 It is the bottom structure schematic diagram of the cleaning module of the application.

[0027] Figure 10 It is the bottom structure schematic diagram of the cleaning module of the application.

[0028] Figure 11 It is the bottom structure schematic diagram of the cleaning module of the application.

[0029] Figure 12 It is the bottom structure schematic diagram of the cleaning module of the application.

[0030] Figure 13 It is the bottom structure schematic diagram of the cleaning module of the application.

[0031] Figure 14 It is the bottom structure schematic diagram of the cleaning module of the application.

[0032] Figure 15 It is the bottom structure schematic diagram of the cleaning module of the application.

[0033] Figure 16 It is the bottom structure schematic diagram of the cleaning module of the application.

[0034] In the figure: 1, flaw detection frame; 101, flaw detection cavity; 102, spraying cavity; 103, top support plate; 2, spraying water tank; 201, cleaning water tank; 202, penetrant storage tank; 203, developer storage tank; 3, electric push rod; 4, horizontal adjustment assembly; 401, guide rail; 402, rack; 403, drive motor one; 404, drive gear; 405, connecting frame; 5, observation assembly; 501, adjusting lamp; 502, shooting assembly; 6, vertical lifting assembly; 601, telescopic motor; 602, support block; 7, heavy hammer body; 701, optical axis; 703, shaft sleeve; 704, driven spur gear; 8, cleaning module; 801, cleaning nozzle; 802, developer nozzle; 803, isolation water tank one; 804, isolation water tank two; 805, guide column; 9, weight rotating assembly; 901, longitudinal mounting plate; 902, motor mounting frame; 903, driving motor two; 904, transmission bevel gear; 905, driven bevel gear; 906, transmission spur gear; 10, penetrant spraying assembly; 1001, longitudinal sliding block; 1002, inserted clamping block; 1003, smearing soft brush; 1004, limiting column; 1005, return spring one; 1006, conveying hose; 11, cleaning assembly; 1101, rotating motor; 1102, threaded rod; 1103, wiping sliding block; 1104, guide sliding block; 1105, wiping cloth installation curved surface; 12, wiping assembly; 1201, roller mounting frame; 1202, smearing roller; 1203, return spring two; 1204, guide curved block; 1205, extrusion push block. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be further described below in combination with the drawings and through specific embodiments.

[0036] Wherein, the drawings are only used for exemplary illustration, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation on the present patent; in order to better illustrate the embodiments of the present application, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.

[0037] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0038] In the description of the present application, unless otherwise explicitly specified and limited, if the term "connection" and the like appear to indicate the connection relationship between components, the term should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] Reference Figures 1 to 15 The present application provides a device and method for nondestructive testing of single crystal furnace weight, comprising a testing frame 1, the inner side of the testing frame 1 comprising a testing cavity 101 and a spraying cavity 102, the inside of the testing frame 1 being provided with a transverse adjusting assembly 4, the transverse adjusting assembly 4 comprising a guide rail 401, the guide rail 401 being slidingly installed with a connecting frame 405, the top end of the connecting frame 405 being fixedly installed with a longitudinal lifting assembly 6, the longitudinal lifting assembly 6 comprising a support block 602 for placing a weight body 7, the two sides of the connecting frame 405 being fixedly installed with a weight rotating assembly 9 for driving the weight body 7 to rotate, the inside of the spraying cavity 102 being installed with a cleaning module 8, the two sides of the bottom end of the cleaning module 8 being respectively provided with a cleaning nozzle 801 and a developer nozzle 802, the inner side of the cleaning module 8 being rotatably installed with a cleaning assembly 11, the cleaning assembly 11 comprising a wiping sliding block 1103 sliding along the length direction of the cleaning module 8, one end of the cleaning module 8 being slidingly installed with a penetrant spraying assembly 10, the two ends of the cleaning module 8 being installed with a wiping assembly 12. The bottom of the spraying cavity 102 is also provided with a waste water collecting cavity for collecting cleaning waste water, and the inside can also be provided with a flushing assembly for reapplying the roller 1202, so as to ensure the cleaning of the application roller 1202 and reduce the maintenance difficulty. The wiping assembly 12 can be slidingly connected with the cleaning assembly 8, so as to ensure the cleaning effect when facing different sizes of weight bodies 7.

[0040] The top end of the spraying cavity 102 is provided with a top support plate 103, the top end of the top support plate 103 being fixedly installed with an electric push rod 3, the output end of the electric push rod 3 being fixedly connected with the cleaning module 8, the inner side of the cleaning module 8 being provided with an isolation water tank one 803 and an isolation water tank two 804, the top end of the top support plate 103 being provided with a plurality of spraying water tanks 2, the spraying water tanks 2 comprising a cleaning water tank 201 in communication with the isolation water tank one 803, a developer storage tank 203 in communication with the isolation water tank two 804, and a penetrant storage tank 202 in communication with the penetrant spraying assembly 10, the top end of the cleaning module 8 being provided with a plurality of guide columns 805 extending to the outside of the top support plate 103. The spraying water tanks 2 are all in communication with the lower water tanks through connecting hoses, and the water tanks can be provided with control valves for controlling the opening of different nozzles.

[0041] The cleaning assembly 11 further comprises a rotating motor 1101 and a threaded rod 1102, the output end of the rotating motor 1101 is fixedly connected with the threaded rod 1102, the wiping slider 1103 is in threaded connection with the threaded rod 1102, the top end of the wiping slider 1103 is located at the bottom end of the cleaning nozzle 801 and the developer nozzle 802, the bottom end of the wiping slider 1103 is provided with a wiping cloth mounting curved surface 1105, and the top end of the wiping slider 1103 is provided with a guide slider 1104 which slides in the gap between the nozzles. The guide slider 1104 slides in the gap between different nozzles to avoid deviation or shaking of the wiping slider 1103 during movement, and the nozzles are in strip-shaped arrangement and are provided with a plurality of spraying holes inside.

[0042] The penetrant spraying assembly 10 comprises a longitudinal slider 1001, a limiting column 1004 and a reset spring 1005, the longitudinal slider 1001 is slidingly arranged on one side of the cleaning module 8 close to the middle of the flaw detection frame 1, the limiting column 1004 is fixedly installed at the top end of the longitudinal slider 1001, and the reset spring 1005 is sleeved outside the limiting column 1004. One side of the longitudinal slider 1001 is in communication with the penetrant storage tank 202 through a conveying hose 1006, and the bottom end of the longitudinal slider 1001 is provided with a plurality of injection holes, and one side of the injection hole is provided with a plurality of soft brushes 1003. The soft brushes 1003 are arranged to prevent damage to the surface of the weight body 7 and avoid secondary damage, and the inner side of the cleaning module 8 is provided with a stop block for intercepting the longitudinal slider 1001, as shown in Figure 10

[0043] The end of the guide slider 1104 is provided with an inclined extrusion end face, the side of the longitudinal slider 1001 close to the wiping slider 1103 is provided with an inserted clamping block 1002; when one end of the wiping slider 1103 is attached to the longitudinal slider 1001, the longitudinal slider 1001 slides downward, and the soft brushes 1003 are located at the bottom end of the wiping slider 1103; when one end of the wiping slider 1103 is separated from the longitudinal slider 1001, the longitudinal slider 1001 slides upward, and the soft brushes 1003 are located at the top end of the wiping slider 1103. The mechanical linkage trigger type lifting structure realizes zero-interference automatic switching of the penetrant spraying assembly 10 and the cleaning assembly 11.

[0044] ​The wiping assembly 12 further comprises a roller mounting frame 1201 which is located in the groove inside the cleaning module 8 and slides, and a smearing roller 1202 which is rotationally connected with the roller mounting frame 1201, one side of the roller mounting frame 1201 extends to the outside of the cleaning module 8 through a connecting column, the end of the connecting column is connected with a guide curved block 1204, the outside of the connecting column is sleeved with a reset spring two 1203, the bottom end of the top supporting plate 103 is fixedly installed with a pressing push block 1205 for pressing the guide curved block 1204, when the pressing push block 1205 presses the guide curved block 1204, the smearing roller 1202 is pushed out inward. The smearing roller 1202 is provided with a structure with height difference to adapt to different sizes of the weight body 7.

[0045] The transverse adjusting assembly 4 further comprises a rack 402 which is fixed to the inside of the guide rail 401, the longitudinal lifting assembly 6 comprises a plurality of telescopic motors 601, the weight rotating assembly 9 comprises a longitudinal mounting plate 901, the inside of the longitudinal mounting plate 901 is fixedly connected with the telescopic motor 601, the outside of the longitudinal mounting plate 901 is fixedly installed with a motor mounting frame 902, one side of the motor mounting frame 902 is fixedly installed with a driving motor one 403, the output end of the driving motor one 403 is connected with a driving gear 404 which is engaged with the rack 402. By controlling the position of the transverse adjusting assembly 4, the switching of different process states is adapted, and a mobile process platform is formed.

[0046] One side of the motor mounting frame 902 is fixedly installed with a driving motor two 903, one side of the longitudinal mounting plate 901 is rotationally installed with a gear shaft, the gear shaft is fixedly installed with a transmission spur gear 906 and a driven bevel gear 905, the output end of the driving motor two 903 is connected with a transmission bevel gear 904, the threaded end of the weight body 7 is sleeved with a shaft sleeve 703, one side of the shaft sleeve 703 is sleeved with a driven spur gear 704 which can be engaged with the transmission spur gear 906, the hole shaft end close to the weight body 7 is connected with an optical shaft 701, the end face of the optical shaft 701 and the shaft sleeve 703 is attached with the supporting block 602. By the auxiliary connection of the shaft sleeve 703 and the optical shaft 701, the difficulty of rotating the weight body 7 is reduced, and damage to the weight body 7 is avoided.

[0047] The sidewall of the flaw detection cavity 101 is installed with an observation assembly 5, the observation assembly 5 comprises an adjusting lamp 501 and a shooting assembly 502, the top of the flaw detection cavity 101 is hingedly connected with an opening and closing window. Through the setting of the opening and closing window, the weight body 7 is convenient to take out and place, after closing, a sealed space can be formed to ensure the shooting effect of the shooting assembly 502.

[0048] Step S1: Surface cleaning, place the weight body 7 on the top of the support block 602, the telescopic motor 601 retracts, the drive motor two 903 rotates the transmission spur gear 906, the drive motor one 403 moves the connecting frame 405 to the spraying cavity 102, the cleaning nozzle 801 cleans the surface of the rotating weight body 7, and after rotation, it is placed and dried to ensure that there is no residue.

[0049] Step S2: Apply penetrant, rotate the threaded rod 1102 in the cleaning assembly 11, make the end face of the wiping slider 1103 adhere to the longitudinal slider 1001, slide the longitudinal slider 1001 downward, lower the cleaning module 8 to the end face of the weight body 7, and the wiping brush 1003 adheres to the end face of the weight body 7, the transverse adjustment assembly 4 reciprocatingly slides the connecting frame 405, uniformly applies the penetrant to the end face of the weight body 7, and penetrates for 5-30 minutes. Step S3: Remove excess penetrant, move the weight body 7 to the bottom end of the cleaning module 8, lower the cleaning module 8, contact the wiping cloth with the end face of the weight body 7, extrude the guide curved block 1204 in the state of the extrusion push block 1205, and rotate and move the wiping slider 1103 through the threaded rod 1102 to make the wiping slider 1103 and the wiping roller 1202 synchronize to wipe the penetrant. Step S4: Apply developer, after wiping, move the wiping slider 1103 to a position where it cannot contact the weight body 7, work the developer nozzle 802, and the wiping roller 1202 uniformly applies the developer. Step S5: Observation and recording, after applying, move the connecting frame 405 to the flaw detection cavity 101 by the transverse adjustment assembly 4, continuously rotate the weight body 7 by the weight rotating assembly 9, turn on the adjusting lamp 501, irradiate white light or ultraviolet light, take multiple-angle photos by the shooting assembly 502, and record the defect position, shape and size. Step S6: Post-processing; transport the weight body 7 to the inside of the spraying cavity 102 for cleaning, and after cleaning, transport it to the flaw detection cavity 101 and lift it by the longitudinal lifting assembly 6 for easy removal.

[0050] Penetrant testing utilizes capillary action to allow the penetrant to enter surface-opening defects, and then uses a developer to attract the penetrant in the defects to the surface, forming a visible indication to identify the defects.

[0051] Cleaning agent: used to clean the surface of the weight, remove oil, dust and other impurities.

[0052] Penetrant: a dyed liquid that can penetrate into surface-opening defects.

[0053] Developer: usually white powder or liquid, used to attract the penetrant in the defects to form a visible indication.

[0054] Wipe: used to remove excess penetrant.

[0055] Operation steps Surface preparation 1. Thoroughly clean the weight surface with a cleaning agent, ensuring that the surface is free of oil, dust, or other contaminants. 2. Dry the surface, ensuring that there is no residual cleaning agent.

[0056] Penetrant application 1. Uniformly spray or apply the penetrant to the weight surface, ensuring that all areas to be inspected are covered. 2. Wait for 5-30 minutes, depending on the specific penetrant instructions, to allow the penetrant to fully penetrate into surface openings.

[0057] Excess penetrant removal 1. Use a clean wipe or cleaning agent to remove excess penetrant from the surface, taking care not to over-clean, which could remove the penetrant from defects.

[0058] Developer application 1. Uniformly spray or apply the developer to the weight surface, forming a thin and uniform developer layer. 2. The developer will attract the penetrant from defects, causing it to form visible indications on the surface.

[0059] Observation and recording 1. Under appropriate lighting, such as white light or ultraviolet light, depending on the type of penetrant, observe the surface to find defect indications. 2. Record the location, shape, and size of defects.

[0060] Post-treatment After the inspection is complete, use a cleaning agent to thoroughly remove any remaining penetrant and developer from the weight surface.

[0061] a. Spray a developer suspension containing a fluorescent tracer onto the weight surface, the suspension comprising: Alumina particles with a particle size of 1-5 μm 0.1-0.5 wt% sodium fluorescein An ethanol-based solvent 0.01-0.1 wt% nano-silica dispersant b. Allow the penetrant to stand for 10-30 minutes in an environment at 40-60°C; c. Remove the remaining agent from the surface with a directional airflow at a pressure of 0.3-0.6 MPa and an inclination angle of 30°-45°; d. Apply 365 nm ultraviolet light irradiation and capture a fluorescence image using a hyperspectral camera with a spectral resolution ≤5 nm; e. Identify cracks based on the gradient mutation of fluorescence intensity, and determine a crack defect with a depth ≥50 μm when the local gradient change rate is >15% / mm.

[0062] The present application, by arranging the telescopic longitudinal lifting assembly 6, can reduce the difficulty of placing the weight body 7, through the automatic rotation of the weight body 7, and using the cleaning module 8 to flush the end face of the weight body 7, through the alternate arrangement of the isolation water tank 1 803 and the isolation water tank 2 804, the surface cleaning and the operation of multiple processes of applying the developer are realized at the same position, the complexity of the structure is reduced, the longitudinal sliding block 1001 is extruded by the wiping sliding block 1103, the longitudinal sliding block 1001 contacts the weight body 7, the soft brush 1003 is used to apply the penetrating agent to the surface of the weight body 7, the uniform application is realized, and the penetration effect is ensured; through the control of the descending of the cleaning assembly 11, the wiping sliding block 1103 is attached to the end face of the weight body 7, the surface cleaning of the weight body 7 is realized, and the excess penetrating agent is cleaned; by moving the weight body 7 to which the developer is applied to the flaw detection cavity 101, the multiple surfaces of the weight body 7 can be shot in all directions, the manual operation strength and difficulty are greatly reduced, and the whole process automation from pretreatment to final detection is realized.

[0063] It should be noted that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the present application specification and claims are not limited, but only for convenient description.

Claims

1. A device for non-destructive testing of a single crystal furnace using a weighted hammer, characterized in that: Including the flaw detection frame (1), the inside of the flaw detection frame (1) includes flaw detection cavity (101) and spray cavity (102), the inside of the flaw detection frame (1) is provided with transverse adjusting assembly (4), the transverse adjusting assembly (4) includes guide rail (401), the connecting frame (405) is slidably installed on the guide rail (401), the top end of the connecting frame (405) is fixedly installed with longitudinal lifting assembly (6), the longitudinal lifting assembly (6) includes the support block (602) for placing the weight body (7), the both sides of the connecting frame (405) are fixedly installed with the weight rotating assembly (9) for driving the weight body (7) to rotate, the inside of the spray cavity (102) is installed with cleaning module (8), the both sides of the bottom end of the cleaning module (8) are provided with cleaning spray head (801) and developer spray head (802) respectively, the inside of the cleaning module (8) is rotatably installed with cleaning assembly (11), the cleaning assembly (11) includes the wiping sliding block (1103) sliding along the length direction of the cleaning module (8), one end of the cleaning module (8) is slidably installed with penetrant spraying assembly (10), and the both ends of the cleaning module (8) are installed with wiping assembly (12).

2. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 1, wherein: The top of the spray cavity (102) is provided with a top support plate (103), the top of the top support plate (103) is fixedly installed with an electric push rod (3), the output end of the electric push rod (3) is fixedly connected with the cleaning module (8), the inside of the cleaning module (8) is provided with isolation water tank one (803) and isolation water tank two (804), the top of the top support plate (103) is provided with a plurality of spray water tanks (2), the spray water tank (2) includes cleaning water tank (201) communicated with the isolation water tank one (803), developer storage tank (203) communicated with the isolation water tank two (804) and penetrant storage tank (202) communicated with the penetrant spraying assembly (10), and the top of the cleaning module (8) is provided with a plurality of guide columns (805) extending to the outside of the top support plate (103).

3. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 2, wherein: The cleaning assembly (11) further includes a rotating motor (1101) and a threaded rod (1102), the output end of the rotating motor (1101) is fixedly connected with the threaded rod (1102), the wiping sliding block (1103) is screw-connected with the threaded rod (1102), the top end of the wiping sliding block (1103) is located at the bottom end of the cleaning spray head (801) and the developer spray head (802), the bottom end of the wiping sliding block (1103) is provided with a wiping cloth mounting curved surface (1105), and the top end of the wiping sliding block (1103) is provided with a guide sliding block (1104) sliding in the gap between the spray heads.

4. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 3, wherein: The penetrating agent spraying assembly (10) comprises a longitudinal sliding block (1001), a limiting column (1004) and a reset spring I (1005), the longitudinal sliding block (1001) is slidingly arranged on one side of the cleaning module (8) close to the middle of the flaw detection frame (1), the limiting column (1004) is fixedly installed at the top end of the longitudinal sliding block (1001), the reset spring I (1005) is sleeved on the outer side of the limiting column (1004), one side of the longitudinal sliding block (1001) is communicated with the penetrating agent storage tank (202) through the conveying hose (1006), and a plurality of injection holes are formed at the bottom end of the longitudinal sliding block (1001), and a plurality of soft brushes (1003) are arranged on one side of the injection holes.

5. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 4, wherein: The end of the guide sliding block (1104) is provided with an inclined extrusion end face, and the side of the longitudinal sliding block (1001) close to the wiping sliding block (1103) is provided with an inserted clamping block (1002); when one end of the wiping sliding block (1103) is attached to the longitudinal sliding block (1001), the longitudinal sliding block (1001) slides downward, and the soft brush (1003) is located at the bottom end of the wiping sliding block (1103); when one end of the wiping sliding block (1103) is separated from the longitudinal sliding block (1001), the longitudinal sliding block (1001) slides upward, and the soft brush (1003) is located at the top end of the wiping sliding block (1103).

6. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 5, wherein: The wiping assembly (12) further comprises a roller mounting frame (1201) and a coating roller (1202), the roller mounting frame (1201) is slidingly arranged in the groove on the inner side of the cleaning module (8), the coating roller (1202) is rotatably connected with the roller mounting frame (1201), one side of the roller mounting frame (1201) extends to the outer side of the cleaning module (8) through a connecting column, the end of the connecting column is connected with a guide curved block (1204), the outer side of the connecting column is sleeved with a reset spring II (1203), and the bottom end of the top supporting plate (103) is fixedly installed with an extrusion push block (1205) for extruding the guide curved block (1204); when the extrusion push block (1205) extrudes the guide sliding block (1104), the coating roller (1202) is pushed out inward.

7. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 2, wherein: The transverse adjusting assembly (4) further comprises a rack (402) fixed to the inner side of the guide rail (401), the longitudinal lifting assembly (6) comprises a plurality of telescopic motors (601), the weight rotating assembly (9) comprises a longitudinal mounting plate (901), the inner side of the longitudinal mounting plate (901) is fixedly connected with the telescopic motor (601), the outer side of the longitudinal mounting plate (901) is fixedly installed with a motor mounting frame (902), one side of the motor mounting frame (902) is fixedly installed with a driving motor I (403), and the output end of the driving motor I (403) is connected with a driving gear (404) engaged with the rack (402).

8. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 7, wherein: The side of the motor mounting frame (902) is fixedly provided with a driving motor two (903), one side of the longitudinal mounting plate (901) is rotatably provided with a gear shaft, the gear shaft is fixedly provided with a driving spur gear (906) and a driven bevel gear (905), the output end of the driving motor two (903) is connected with the driven bevel gear (904), the threaded end of the weight body (7) is sleeved with a shaft sleeve (703), one side of the shaft sleeve (703) is sleeved with a driven spur gear (704) capable of engaging with the driving spur gear (906), the weight body (7) is connected with an optical shaft (701) near the hole shaft end, and the end surface of the optical shaft (701) and the shaft sleeve (703) are attached to the support block (602).

9. The apparatus for non-destructive testing of a weight of a single crystal furnace according to claim 2, wherein: The sidewall of the flaw detection cavity (101) is provided with an observation assembly (5), the observation assembly (5) comprises an adjusting lamp (501) and a shooting assembly (502), and the top of the flaw detection cavity (101) is hingedly provided with an opening and closing window.

10. The method for nondestructive flaw detection of the weight of the single crystal furnace according to claims 1-9, characterized in that: Step S1: surface cleaning, the weight body (7) is placed on the top end of the support block (602), the telescopic motor (601) is retracted, the driving motor two (903) drives the driving spur gear (906) to rotate, the driving motor one (403) drives the connecting frame (405) to move to the spraying cavity (102), and the cleaning nozzle (801) cleans the surface of the weight body (7) in a rotating state; after rotation, drying is performed to ensure that there is no residue; Step S2: applying penetrant, the threaded rod (1102) in the cleaning assembly (11) is rotated, the end surface of the wiping sliding block (1103) is attached to the longitudinal sliding block (1001), the longitudinal sliding block (1001) slides downward, the cleaning module (8) is lowered to the point where the soft brush (1003) is attached to the end surface of the weight body (7), the transverse adjusting assembly (4) drives the connecting frame (405) to reciprocatingly slide, the end surface of the weight body (7) is evenly coated with penetrant, and the penetrant is penetrated for 5-30 minutes; Step S3: removing excess penetrant, the weight body (7) is moved to the bottom end of the cleaning module (8), the cleaning module (8) is lowered to the point where the wiping cloth is in contact with the end surface of the weight body (7), the extruding push block (1205) extrudes the guide curved block (1204), the wiping sliding block (1103) is moved by the threaded rod (1102) rotating the wiping roller (1202), so that the wiping sliding block (1103) synchronously wipes the penetrant with the wiping roller (1202); Step S4: applying developing agent, after wiping, the wiping sliding block (1103) is moved to a position where it cannot contact the weight body (7), the developing agent nozzle (802) works, and the wiping roller (1202) evenly applies the developing agent. Step S5: observation and record, after the completion of the coating, the lateral adjustment assembly (4) drives the connecting frame (405) to move to the flaw detection cavity (101), the heavy hammer rotating assembly (9) drives the heavy hammer body (7) to continue to rotate, the adjusting lamp (501) is turned on, the white light or ultraviolet light is irradiated, the multi-angle shooting is carried out through the shooting assembly (502), and the defect position, shape and size are recorded; Step S6: post-processing; the end face of the heavy hammer body (7) is cleaned in the inside of the spraying cavity (102), and after cleaning is completed, it is transported to the flaw detection cavity (101), and the heavy hammer body (7) is jacked up through the longitudinal lifting assembly (6), so that it is convenient to take out.

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