A quartz crucible defect detection device based on machine vision

By using a light shielding mechanism, a pot wall cleaning mechanism and a continuous driving mechanism in the quartz crucible defect detection device, the problem of difficult detection of cracks in the inner wall of the quartz crucible is solved, and high-precision defect detection is achieved.

CN119354998BActive Publication Date: 2025-03-14常州裕能石英科技有限公司
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Patent Information

Application Number
CN202411914682.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-03-14
Estimated Expiration
2044-12-24

AI Technical Summary

Technical Problem

Quartz crucibles are prone to hidden cracks during production, which are difficult to be detected manually, and are misjudged by the surrounding ambient light.

Method used

A quartz crucible defect detection device based on machine vision is designed, including a light shielding mechanism, a pot wall cleaning mechanism and a continuous driving mechanism. It provides external shading through a shielding hood, and the ball brush cleans up the inner wall garbage, and assists the roller to drive the ball brush to rotate to ensure that the detection probe is highly accurate in the light blocking environment.

Benefits of technology

It realizes high-precision detection of cracks on the inner wall of quartz crucible while avoiding light pollution to ensure the accuracy and reliability of the detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of crucible defect detection, and specifically to a quartz crucible defect detection device based on machine vision, including a quartz crucible and a detection probe, a shading mechanism for carrying the quartz crucible, a pot wall cleaning mechanism is arranged inside the quartz crucible, and a continuous driving mechanism is arranged outside the detection probe; the shading mechanism includes a plurality of bearing components that are evenly distributed and fixed by a truss, a cantilever movably installed on the bearing component, and a shielding cover installed on the top of the cantilever. By providing an assembly line type bearing platform for the inverted quartz crucible, when the evenly distributed quartz crucible is adsorbed and fixed by the shading mechanism, the shielding cover can cooperate with the curtain to provide an external light-shielding environment for the quartz crucible, and the detection probe extending into the inner cavity of the quartz crucible can avoid operating under the interference of ambient light pollution, thereby ensuring that the detection probe can perform high-precision detection of cracks on the inner wall of the detection probe under the light-shielding effect.
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Description

Technical Field

[0001] The invention relates to the technical field of crucible defect detection, and in particular to a quartz crucible defect detection device based on machine vision. Background Art

[0002] Quartz crucibles have the advantages of high purity, strong temperature resistance, large size and high precision, good thermal insulation, energy saving, stable quality, etc. They are used more and more widely. In addition to being used in chemistry, biology, bioengineering and other fields, they are also used in semiconductors, photovoltaics and other fields.

[0003] Since the quartz crucible is pure and white, and the supporting process of the quartz crucible is very complicated, once the process is unstable or disturbed by external factors during the production process, cracks are likely to appear on the inner wall of the quartz crucible. This hidden crack is difficult to be accurately detected manually. At the same time, it is difficult for the light emitted by the handheld detector to penetrate the inner and outer walls of the quartz crucible due to the interference of the surrounding ambient light, which leads to misjudgment of the detection under the influence of light pollution.

[0004] In view of this, a quartz crucible defect detection device based on machine vision is designed to solve the above problems. Summary of the invention

[0005] The present invention aims to solve one of the technical problems existing in the prior art or related technology.

[0006] To this end, the technical solution adopted in the present invention is:

[0007] A quartz crucible defect detection device based on machine vision comprises a quartz crucible and a detection probe, a shading mechanism for carrying the quartz crucible, a pot wall cleaning mechanism is arranged inside the quartz crucible, and a continuous driving mechanism is arranged outside the detection probe; the shading mechanism comprises a plurality of bearing components which are evenly distributed and fixed by a truss, a cantilever movably mounted on the bearing component and a shielding cover mounted on the top of the cantilever, the shielding cover is used to provide external shielding and protection for the quartz crucible; the pot wall cleaning mechanism comprises a locking component extending into the inner cavity of the quartz crucible and four groups of pressing components, a ball brush is arranged between two adjacent groups of the pressing components; two of the ball brushes are used to process garbage and bumps on the inner wall of the quartz crucible; the continuous driving mechanism comprises a beam plate arranged on the detection probe, two slides movably mounted in the slide grooves at both ends of the beam plate, and an auxiliary roller movably mounted in the slide; the auxiliary roller is used to assist the rotation of the ball brush.

[0008] In a preferred example, the present invention can be further configured as follows: a convex ring is provided on the inner wall of the shielding cover, and a curtain is connected to the convex ring, and a soft rubber tube is connected to the bottom end of the curtain, and a tether is arranged in the soft rubber tube;

[0009] The bearing assembly comprises a base located at the bottom of the rear shielding cover after vertical rollover, a ring groove is provided at the top of the base, an inner pad is provided in the ring groove, and a siphon cavity is provided inside the base;

[0010] The top annular groove of the base and the inner pad are both provided with evenly distributed through holes.

[0011] In a preferred example, the present invention can be further configured as follows: the locking assembly includes a housing, an outer frame is movably mounted on the outside of the housing, a rollover gear is fixedly mounted on a column head on the outside of the housing, and an angle adjustment motor is mounted in a vertical plate at the top of the outer frame;

[0012] The gear on the transmission shaft of the angle adjustment motor is adapted to mesh with the rollover gear;

[0013] Two locking bolts are provided inside the shell, and the swing of the shell is used to control the projection angle of the detection light at the top of the detection probe;

[0014] The wire at the bottom end of the detection probe penetrates into the gap inside the outer frame.

[0015] In a preferred example, the present invention can be further configured as follows: the shading mechanism further includes a vacuum tube, the exhaust port of the vacuum tube is connected to an external pipeline, and the vacuum tube is used to provide vacuum for a plurality of evenly distributed bases;

[0016] A nut is arranged on the shaft rod at the bottom end of the cantilever, and the nut is used to lock the cantilever and the shielding cover after the rollover.

[0017] In a preferred example, the present invention can be further configured as follows: the clamping assembly includes a sleeve, a rectangular cavity is opened inside the sleeve, a spring is arranged in the rectangular cavity, a support plate is movably installed in the sleeve, and one end of the support plate passes through the rectangular cavity and is under pressure on the spring.

[0018] In a preferred example, the present invention can be further configured as follows: a stainless steel sleeve is provided in the middle of the ball brush, and an insertion rod is provided in the stainless steel sleeve, and both ends of the insertion rod are installed in two adjacent support plates.

[0019] In a preferred example, the present invention can be further configured as follows: the continuous driving mechanism further includes a micro motor, and linkage shafts are installed at both ends of the transmission shaft in the micro motor;

[0020] Compression springs are arranged in the slide grooves at both ends of the beam plate, and the compression springs are used to provide a sufficiently stable elastic supporting force for the slide.

[0021] In a preferred example, the present invention can be further configured as follows: the carriage is composed of two extended support plates, an extended sleeve and a core shaft, and a drive shaft is arranged in the extended sleeve, one end of the drive shaft is provided with a gear, and an I-shaped main auxiliary rotation end is arranged on the end of the drive shaft that passes through the other end of the extended sleeve;

[0022] The threaded section of the linkage shaft is adapted to mesh with the gear on the drive shaft;

[0023] An auxiliary rotation-assisting end is installed at one end of the shaft rod inside the auxiliary roller, and crawlers are transmission-connected on the main rotation-assisting end and the auxiliary rotation-assisting end.

[0024] In a preferred example, the present invention can be further configured as follows: the outer side of the auxiliary roller hub is provided with evenly distributed teeth, and the teeth of the auxiliary roller hub are pressed against the outside of the ball brush to provide sufficiently strong friction for the stable rotation of the ball brush.

[0025] In a preferred example, the present invention can be further configured as follows: the inner wall of the shielding cover is coated with a calendered black coating, and a column is installed on the top of the shielding cover, and a nut is provided on the column.

[0026] By adopting the above technical solution, the beneficial effects achieved by the present invention are:

[0027] 1. The present invention provides an assembly line type bearing platform for the inverted quartz crucible. When the evenly distributed quartz crucible is adsorbed and fixed by the shading mechanism, the provided shielding cover can cooperate with the curtain to provide an external light-shielding environment for the quartz crucible, and the detection probe extending into the inner cavity of the quartz crucible can avoid operating under the interference of ambient light pollution, thereby ensuring that the detection probe can perform high-precision detection of cracks on the inner wall of the detection probe under the light-shielding effect.

[0028] 2. The present invention arranges a pot wall cleaning mechanism on the outside of the detection probe. At this time, two ball brushes symmetrically distributed on both sides of the detection probe can cooperate with the detection probe to continuously penetrate into the inner cavity of the quartz crucible to clean some garbage and foreign matter. According to the different materials of the ball brushes, the protrusions on the inner wall of the quartz crucible caused by the production process can also be smoothed.

[0029] 3. The present invention controls the rotation of the hydraulic support rod. At this time, the pot wall cleaning mechanism can carry the continuous driving mechanism to adapt to the gradually changing cavity in the quartz crucible. According to the detection requirements of the inner wall of the quartz crucible, the detection probe can swing with the locking component, and finally the arc-shaped inner wall of the quartz crucible is adapted and detected under the limiting protection of the two ball brushes. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0031] Figure 2It is a schematic diagram of the present invention when used;

[0032] Figure 3 is a schematic diagram of the shading mechanism of the present invention;

[0033] Figure 4 For the present invention Figure 3 The enlarged schematic diagram of point A in the middle;

[0034] Figure 5 is a cross-sectional schematic diagram of the shielding cover of the present invention;

[0035] Figure 6 For the present invention Figure 5 The enlarged schematic diagram of point B in the middle;

[0036] Figure 7 is a cross-sectional schematic diagram of a quartz crucible of the present invention;

[0037] Figure 8 Schematic diagram of the pot wall cleaning mechanism of the present invention;

[0038] Fig. 9 is a schematic diagram of a locking assembly and a pressing assembly of the present invention;

[0039] Fig.10 is a schematic diagram of the continuous driving mechanism of the present invention;

[0040] Fig.11 For the present invention Fig.10 The enlarged schematic diagram of the center C;

[0041] Fig.12 For the present invention Fig.10 Enlarged schematic diagram of point D in the middle.

[0042] Reference numerals:

[0043] 100. Quartz crucible;

[0044] 200, shading mechanism; 210, bearing assembly; 211, base; 212, siphon chamber; 213, inner pad; 220, vacuum tube; 230, cantilever; 240, shielding cover; 250, curtain; 260, soft rubber tube; 270, tether;

[0045] 300, pot wall cleaning mechanism; 310, hydraulic support rod; 320, outer frame; 330, locking assembly; 331, outer shell; 332, rollover gear; 333, angle adjustment motor; 340, pressing assembly; 341, sleeve; 342, spring; 343, support plate; 350, ball brush;

[0046] 400, continuous drive mechanism; 410, beam plate; 420, micro motor; 430, linkage shaft; 440, carriage; 450, drive shaft; 460, auxiliary roller; 470, crawler; 480, compression spring;

[0047] 500. Detection probe. DETAILED DESCRIPTION

[0048] To make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific implementations and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0049] It is to be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention.

[0050] A quartz crucible defect detection device based on machine vision provided by some embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0051] Embodiment 1:

[0052] Combination Figure 1-Figure 12 As shown, the present invention provides a quartz crucible defect detection device based on machine vision, including a quartz crucible 100, a shading mechanism 200, a pot wall cleaning mechanism 300, a continuous driving mechanism 400 and a detection probe 500. The shading mechanism 200 is used to provide a support platform for multiple quartz crucibles 100 after production, the pot wall cleaning mechanism 300 is used to support the detection probe 500 and deliver it to the inner cavity of the quartz crucible 100, the continuous driving mechanism 400 cooperates with the pot wall cleaning mechanism 300 to operate in coordination, and is used to clean garbage and bumps on the inner wall of the quartz crucible 100, and the detection probe 500 is used to accurately detect cracks on the inner wall of the quartz crucible 100.

[0053] The shading mechanism 200 includes a plurality of bearing assemblies 210 evenly distributed and fixed by a truss, a cantilever 230 movably mounted on the bearing assemblies 210, and a shielding cover 240 mounted on the top of the cantilever 230, and the shielding cover 240 is used to provide external shielding and protection for the quartz crucible 100;

[0054] The pot wall cleaning mechanism 300 includes a locking assembly 330 extending into the inner cavity of the quartz crucible 100 and four groups of pressing assemblies 340, and a ball brush 350 is arranged between two adjacent groups of pressing assemblies 340;

[0055] Two ball brushes 350 are used to process the garbage and bumps on the inner wall of the quartz crucible 100;

[0056] The continuous driving mechanism 400 includes a beam plate 410 disposed on the detection probe 500, two slides 440 movably mounted in slide grooves at both ends of the beam plate 410, and an auxiliary roller 460 movably mounted in the slides 440;

[0057] The auxiliary roller 460 is used to assist the rotation of the ball brush 350 .

[0058] The production process of quartz crucible is very complicated. Due to the instability of the production process and the interference of external factors, convex spots are easily generated on the outer and inner walls of the quartz crucible. Although the external impurity convex spots are convenient for cleaning and observation, they are interfered by the pure white texture of the quartz crucible. The cracks hidden in the inner wall of the quartz crucible are not easy to detect. At the same time, the detection light is interfered by the surrounding ambient light, and light pollution will cause errors in the workers' vision.

[0059] After the shielding covers 240 are turned outward until the ports of the bases 211 are exposed, the worker needs to put the produced quartz crucibles 100 upside down in the ports of the bases 211. As the vacuum tube 220 is vacuumed outward, the placed quartz crucibles 100 can be quickly adsorbed and fixed. Then the shielding covers 240 are turned sideways and reset until the shielding covers 240 provide external light shielding protection for the quartz crucibles 100 and reduce the impact of foreign matter on the quartz crucibles 100 during the inspection. The external lifting device is connected to the hydraulic support rod 310. As the hydraulic support rod 310 lifts the pot wall cleaning mechanism 300 as a whole and the detection probe 500 to the inner cavity of the quartz crucible 100, the detection probe 500 in operation can release detection light from the inner wall of the quartz crucible 100. At this time, the quartz crucible 100 in a dark environment can accurately detect cracks through direct light. At this time, the quartz crucible 100 in a semi-closed state can avoid light pollution from the surrounding environment during crack detection.

[0060] As the angle adjustment motor 333 operates, the driven rollover gear 332 will drive the housing 331 and the detection probe 500 to slightly deflect along the gradually changing cavity in the quartz crucible 100. At the same time, after the two ball brushes 350 are driven, according to the selection of the material of the ball brushes 350, the two ball brushes 350 attached to the inner wall of the quartz crucible 100 can clean up garbage, foreign matter and some protrusions, and at the same time provide limit protection for the advancement of the detection probe 500, so as to prevent the pot wall cleaning mechanism 300 and the detection probe 500 from impacting the inner wall of the quartz crucible 100.

[0061] Embodiment 2:

[0062] Combination Figure 2-Figure 6As shown, on the basis of Example 1, the shading mechanism 200 further includes a vacuum tube 220, the exhaust port of the vacuum tube 220 is connected to an external pipeline, and the vacuum tube 220 is used to provide vacuum for the multiple uniformly distributed bases 211;

[0063] A nut is provided on the shaft at the bottom end of the cantilever 230, and the nut is used to lock the cantilever 230 and the shielding cover 240 after the rollover.

[0064] Preferably, as the external tube is wound around to exhaust air, the evenly distributed multiple bases 211 will quickly fix the multiple inverted and placed quartz crucibles 100. At this time, the quartz crucible 100 can remain stable during the subsequent detection and cleaning by the detection probe 500 and the two ball brushes 350, and the selection and adjustment of the nut on the shaft at the bottom end of the cantilever 230 can be used to select the angle of the rear shielding cover 240 after flipping.

[0065] The inner wall of the shielding cover 240 is provided with a convex ring, and a curtain 250 is connected to the convex ring. The bottom end of the curtain 250 is connected to a soft rubber tube 260, and a tether 270 is arranged inside the soft rubber tube 260.

[0066] The bearing assembly 210 includes a base 211 located at the bottom of the vertically flipped rear shielding cover 240, a ring groove is provided at the top of the base 211, and an inner pad 213 is provided in the ring groove, and a siphon cavity 212 is provided inside the base 211;

[0067] The top annular groove of the base 211 and the inner pad 213 are both provided with evenly distributed through holes.

[0068] The inner wall of the shielding cover 240 is coated with a calendered black coating, and a column is installed on the top of the shielding cover 240, and a nut is arranged on the column.

[0069] Preferably, when the shielding cover 240 is flipped vertically and inverted on the outside of the quartz crucible 100, the port at the bottom of the shielding cover 240 can cooperate with the curtain 250 to cover the inclined surface of the top of the base 211. As the two ends of the tether 270 are tightened until they are tied, the contracted curtain 250 can be wrapped around the outside of the base 211. At this time, the entire quartz crucible 100 can be in a light-shielded environment. When the end of the detection probe 500 emits light, the black coating coated on the inner wall of the shielding cover 240 can reduce the scattering of light. At this time, the part of the inner wall of the quartz crucible 100 illuminated by the light projected by the detection probe 500 can be accurately detected by the visual equipment.

[0070] Embodiment 3:

[0071] Combination Figure 2-Figure 9As shown, on the basis of embodiment 1, the locking assembly 330 includes a housing 331, an outer frame 320 is movably mounted on the outside of the housing 331, a rollover gear 332 is fixedly mounted on a column head outside the housing 331, and an angle adjustment motor 333 is installed in a vertical plate at the top of the outer frame 320;

[0072] The gear on the transmission shaft of the angle adjustment motor 333 is adapted to mesh with the rollover gear 332 .

[0073] Preferably, as the angle adjustment motor 333 runs, the gear installed on its internal transmission shaft will drive the rollover gear 332. As the angle adjustment motor 333 rotates back and forth regularly, the shell 331 movably clamped by the outer frame 320 can drive the detection probe 500 to swing along the inner cavity of the quartz crucible 100. At this time, the light emitted from the top end of the detection probe 500 can selectively detect the gradually changing cavity in the quartz crucible 100, and combined with the rotation of the hydraulic support rod 310, the slightly rollover detection probe 500 can perform a comprehensive detection of the concave surface of the quartz crucible 100.

[0074] Two locking bolts are provided inside the housing 331, and the swing of the housing 331 is used to control the projection angle of the detection light at the top of the detection probe 500;

[0075] The wire at the bottom end of the detection probe 500 penetrates into the gap inside the outer frame 320;

[0076] The pressing assembly 340 includes a sleeve 341 , a rectangular cavity is formed inside the sleeve 341 , and a spring 342 is arranged in the rectangular cavity. A support plate 343 is movably installed in the sleeve 341 , and one end of the support plate 343 passes through the rectangular cavity and bears pressure on the spring 342 .

[0077] Preferably, the four sleeves 341 are respectively installed on both sides of the shell 331. At this time, the two groups of sleeves 341 symmetrically distributed can provide sufficiently stable bearing pressure for the four support plates 343, and the elastic force of the spring 342 presses the support plates 343 outward. At this time, the ball brush 350 movably installed between the two support plates 343 can apply a sufficiently strong pressing force to the inner wall of the quartz crucible 100, and finally the two ball brushes 350 can quickly clean the garbage and foreign matter on the inner wall of the quartz crucible 100 during the rotation process.

[0078] Preferably, a stainless steel sleeve is provided in the middle of the ball brush 350 , and an insertion rod is provided in the stainless steel sleeve, and both ends of the insertion rod are installed in two adjacent support plates 343 .

[0079] Embodiment 4:

[0080] Combination Figure 2-Figure 12As shown, in the above embodiment, the continuous driving mechanism 400 further includes a micro motor 420, and linkage shafts 430 are installed at both ends of the transmission shaft in the micro motor 420;

[0081] Compression springs 480 are disposed in the slide grooves at both ends of the beam plate 410 , and the compression springs 480 are used to provide a sufficiently stable elastic supporting force for the slide 440 .

[0082] Preferably, the beam plate 410 is installed on the detection probe 500. As the detection probe 500 swings, the beam plate 410 as a whole will drive the two slides 440 to tip over at the same angle, and the two auxiliary rollers 460 movably installed in the two slides 440 can always provide a constant transmission force for the two ball brushes 350, thereby ensuring that the inner wall of the quartz crucible 100 is under constant pressure.

[0083] The carriage 440 is composed of two extended support plates, an extended sleeve and a core shaft, and a driving shaft 450 is arranged in the extended sleeve, a gear is arranged at one end of the driving shaft 450, and an I-shaped main auxiliary rotating end is arranged at the end of the driving shaft 450 that passes through the other end of the extended sleeve;

[0084] The threaded section of the linkage shaft 430 is adapted to mesh with the gear on the drive shaft 450;

[0085] An auxiliary rotation-assisting end is installed at one end of the shaft inside the auxiliary roller 460, and the main rotation-assisting end and the auxiliary rotation-assisting end are transmission-connected with a crawler 470.

[0086] Preferably, the two drive shafts 450 and the two auxiliary rollers 460 are linked together by two tracks 470. As the micro motor 420 runs, its internal transmission shaft will drive the two drive shafts 450 under the coordinated action of the two linkage shafts 430. At this time, the two auxiliary rollers 460 with limited constraints can maintain a constant rotation speed after tipping over. At the same time, as the ball brush 350 acts on the inner wall of the quartz crucible 100 and is subjected to reverse pressure, the slide 440 supported by the compression spring 480 can drive the auxiliary rollers 460 to fine-tune the spacing, thereby ensuring that the device can be specifically adapted to the inner cavities of quartz crucibles 100 of different specifications.

[0087] The outer side of the hub of the auxiliary roller 460 is provided with uniformly distributed teeth, and the teeth of the hub of the auxiliary roller 460 are pressed against the outside of the ball brush 350 to provide sufficiently strong friction for the stable rotation of the ball brush 350 .

[0088] Preferably, by providing teeth on the hub of the auxiliary roller 460 and increasing the friction resistance, the ball brush 350 made of different materials can be selected to perform targeted cleaning of garbage, foreign matter or protrusions on the inner wall of the quartz crucible 100 .

[0089] The working principle and use process of the present invention: Since the manufacturing process of quartz crucible is very complicated, due to the instability of the process and the influence of external factors, many defects will be generated on the inner and outer walls of the quartz crucible during the production process. Once defective products flow into the market, production accidents are likely to occur.

[0090] At present, the inspection of quartz crucibles is mainly divided into manual visual observation, manual handheld detection instrument synchronous detection and semi-automatic visual inspection. The first two detection methods have low detection efficiency and low detection accuracy, which makes it difficult to meet the requirements of standardized production process of quartz crucibles.

[0091] The device provides a platform for the assembly line to carry the white quartz crucible, i.e., the carrying assembly 210. Before use, the ports of the multiple shielding covers 240 arranged on the carrying assembly 210 are oriented horizontally, and the ports of the multiple evenly distributed carrying assemblies 210 are exposed. Then, the worker needs to turn upside down the multiple quartz crucibles 100 after production, and sequentially place the multiple quartz crucibles 100 in the ports on the tops of the multiple carrying assemblies 210. At this time, the inverted ports of the quartz crucibles 100 will be plugged into the inner side of the inner pad 213, and then the external pipeline is connected to the exhaust port of the vacuum tube 220. As the vacuum tube 220 continues to exhaust air outward, the gaps inside each inner pad 213 will exhaust air outward until the multiple quartz crucibles 100 are adsorbed and fixed in the multiple evenly distributed carrying assemblies 210.

[0092] Next, loosen the nut on the shaft at the bottom end of the cantilever 230, and then flip the shielding cover 240 and buckle it on the outside of the quartz crucible 100, with the port of the shielding cover 240 facing the supporting assembly 210, and then pull the two ends of the tether rope 270 until the bottom end of the curtain 250 is folded and tightly attached to the inclined surface at the top of the supporting assembly 210;

[0093] As the hydraulic support rod 310 is pushed, until the locking assembly 330 drives the detection probe 500 to be delivered to the inner cavity of the quartz crucible 100, the pot wall cleaning mechanism 300 arranged outside the detection probe 500 can be used as a buffer medium to bear pressure in the quartz crucible 100. At this time, after the optical fiber emitted from the top end of the detection probe 500 is projected onto the inner wall of the quartz crucible 100, under the shading effect of the shielding cover 240, the cracks hidden in the inner wall of the quartz crucible 100 can be optically detected. At the same time, after the micro motor 420 is running, the two linkage shafts 430 installed on its internal transmission shaft can simultaneously drive the two drive shafts 450, and cooperate with the linkage of the two crawlers 470, and finally the two auxiliary rollers 460 can drive the two ball brushes 350, and the two rotating ball brushes 350 can provide cleaning for the inner wall of the quartz crucible 100;

[0094] When the angle adjustment motor 333 is running, the gear connected to its internal transmission shaft will control the rollover gear 332 and the shell 331 to roll over along the inner cavity of the quartz crucible 100. At this time, the end of the top of the detection probe 500 can accurately measure the cracks on the inner wall of the quartz crucible 100 after the inner cavity is tilted. According to the different materials of the ball brush 350, the two ball brushes 350 made of different materials can be replaced to clean the bumps, dust and garbage on the inner wall of the quartz crucible 100. At this time, the device can provide assembly line-style accurate detection for the detection of cracks on the inner wall of the quartz crucible.

[0095] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A quartz crucible defect detection device based on machine vision, comprising a quartz crucible (100) and a detection probe (500), characterized in that: It also comprises a light shielding mechanism (200) for carrying the quartz crucible (100), a pot wall cleaning mechanism (300) is arranged inside the quartz crucible (100), and a continuous driving mechanism (400) is arranged outside the detection probe (500); The shading mechanism (200) comprises a plurality of evenly distributed bearing assemblies (210) fixed by a truss, a cantilever (230) movably mounted on the bearing assemblies (210), and a shielding cover (240) mounted on the top of the cantilever (230), wherein the shielding cover (240) is used to provide external shielding and protection for the quartz crucible (100); The continuous driving mechanism (400) comprises a beam plate (410) arranged on the detection probe (500), two slides (440) movably mounted in slide grooves at both ends of the beam plate (410), and an auxiliary roller (460) movably mounted in the slides (440); the auxiliary roller (460) is used to assist the rotation of the ball brush (350); The pot wall cleaning mechanism (300) comprises a locking assembly (330) extending into the inner cavity of the quartz crucible (100) and four groups of pressing assemblies (340), wherein a ball brush (350) is arranged between two adjacent groups of the pressing assemblies (340); The two ball brushes (350) are used to process garbage and bumps on the inner wall of the quartz crucible (100); The locking assembly (330) comprises a housing (331), an outer frame (320) is movably mounted on the outside of the housing (331), a rollover gear (332) is fixedly mounted on a column head outside the housing (331), and an angle adjustment motor (333) is mounted in a vertical plate at the top of the outer frame (320); The gear on the transmission shaft of the angle adjustment motor (333) is adapted to mesh with the rollover gear (332); Two locking bolts are provided inside the housing (331), and the swing of the housing (331) is used to control the projection angle of the detection light at the top of the detection probe (500); The wire at the bottom end of the detection probe (500) penetrates into the gap inside the outer frame (320); The pressing assembly (340) comprises a sleeve (341), a rectangular cavity is formed inside the sleeve (341), a spring (342) is arranged inside the rectangular cavity, a support plate (343) is movably installed inside the sleeve (341), and one end of the support plate (343) passes through the rectangular cavity and bears pressure on the spring (342); A stainless steel sleeve is provided in the middle of the ball brush (350), and an insertion rod is provided in the stainless steel sleeve, while both ends of the insertion rod are installed in two adjacent support plates (343); The continuous drive mechanism (400) further comprises a micro motor (420), and linkage shafts (430) are installed at both ends of a transmission shaft in the micro motor (420); Compression springs (480) are provided in the slide grooves at both ends of the beam plate (410), and the compression springs (480) are used to provide a sufficiently stable elastic supporting force for the slide frame (440); The slide (440) is composed of two extended support plates, an extended sleeve and a core shaft. A drive shaft (450) is arranged in the extended sleeve. A gear is arranged at one end of the drive shaft (450). The drive shaft (450) passes through the other end of the extended sleeve and an I-shaped main auxiliary rotation end is arranged on the end. The threaded section of the linkage shaft (430) is adapted to mesh with a gear on the drive shaft (450); An auxiliary rotation-assisting end is mounted on one end of the shaft inside the auxiliary roller (460), and a crawler belt (470) is transmission-connected between the main rotation-assisting end and the auxiliary rotation-assisting end.

2. The quartz crucible defect detection device based on machine vision according to claim 1, characterized in that: The inner wall of the shielding cover (240) is provided with a convex ring, and a curtain (250) is connected to the convex ring; the bottom end of the curtain (250) is connected to a soft rubber tube (260), and a tether rope (270) is arranged inside the soft rubber tube (260); The bearing assembly (210) comprises a base (211) located at the bottom of the vertically flipped rear shielding cover (240), a ring groove is provided at the top of the base (211), an inner pad (213) is provided in the ring groove, and a siphon cavity (212) is provided inside the base (211); The top annular groove of the base (211) and the inner pad (213) are both provided with evenly distributed through holes.

3. The quartz crucible defect detection device based on machine vision according to claim 2, characterized in that: The shading mechanism (200) further comprises a vacuum tube (220), an exhaust port of the vacuum tube (220) being connected to an external pipeline, and the vacuum tube (220) being used to provide vacuuming for the multiple uniformly distributed bases (211); A nut is provided on the shaft at the bottom end of the cantilever (230), and the nut is used to lock the cantilever (230) and the shielding cover (240) after the rollover; The inner wall of the shielding cover (240) is coated with a calendered black coating, and a column is installed at the top of the shielding cover (240), and a nut is arranged on the column.

4. The quartz crucible defect detection device based on machine vision according to claim 1, characterized in that: The outer side of the hub of the auxiliary roller (460) is provided with evenly distributed teeth, and the teeth of the hub of the auxiliary roller (460) are pressed tightly against the outside of the ball brush (350) to provide sufficiently strong friction for the stable rotation of the ball brush (350).

Citation Information

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