CN117030741A - Ceramic surface defect detection device - Google Patents
Ceramic surface defect detection device Download PDFInfo
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- CN117030741A CN117030741A CN202311294483.6A CN202311294483A CN117030741A CN 117030741 A CN117030741 A CN 117030741A CN 202311294483 A CN202311294483 A CN 202311294483A CN 117030741 A CN117030741 A CN 117030741A
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- 238000001514 detection method Methods 0.000 title claims abstract description 123
- 239000000919 ceramic Substances 0.000 title claims abstract description 102
- 230000007547 defect Effects 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a ceramic surface defect detection device, which relates to the technical field of ceramic detection, and comprises a substrate, a detection table and a detection assembly, wherein a lower rotating mechanism and a bracket body are arranged on the substrate; the detection assembly comprises a guide frame and a detection part, the guide frame is connected with the power assembly, the guide frame is provided with a guide rod piece, the detection part is arranged at the end part of the guide rod piece, the detection part is in contact with the outer wall of the ceramic to be detected in a rolling contact mode, and the guide rod piece is provided with a top pressing plate and is connected with the guide frame through a collision spring. The ceramic detection device is simple in structure, accurate in detection and high in detection efficiency, and the ceramic to be detected can automatically rotate according to the moving position of the detection part, so that the whole outer surface of the ceramic to be detected is continuously detected.
Description
Technical Field
The invention relates to the technical field of ceramic detection, in particular to a ceramic surface defect detection device.
Background
At present, the ceramic has wider application range and field in China, and appears in various articles for daily use and artworks, and the ceramic has high plasticity. The quality detection is required in the production process of ceramics, wherein whether the surface of the ceramics has defects is an index for detecting the quality of the ceramics.
Most of ceramics are in a rotating body structure, and a detection image is formed or manual detection is matched with naked eye observation in a mode of mainly adopting an area array camera to shoot aiming at the detection mode of the surface of the ceramics; because the ceramic is in a rotating state and the curve of the ceramic surface is irregular, the distances between the area array camera and each detection area on the ceramic surface are different, and the formed detection image is deviated; if manual detection is adopted to match with naked eye observation, the efficiency is lower.
Disclosure of Invention
The invention aims to provide a ceramic surface defect detection device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a pottery surface defect detection device, includes base plate, detection platform and detection subassembly, be provided with lower slewing mechanism and support body on the base plate, the detection platform includes puts thing dish and sucking disc spare, put thing dish and establish on lower slewing mechanism and sucking disc spare rotation and establish in putting thing dish center department, sucking disc spare is used for bearing and fixing the bottom of waiting to detect pottery, and sucking disc spare lower extreme extends to down in the slewing mechanism; the detection component is arranged on the support body in a sliding mode, the support body is provided with a power component for driving the detection component to longitudinally reciprocate, the detection component comprises a guide frame and a detection part, the guide frame is connected with the power component, the guide frame is provided with a guide rod piece with one end extending towards the ceramic to be detected, the detection part is arranged at the end part of the guide rod piece, which is pointed towards the ceramic to be detected, the detection part is contacted with the outer wall of the ceramic to be detected in a rolling contact mode, the guide rod piece horizontally slides on the guide frame, the guide rod piece is far away from the end part of the ceramic to be detected, a top pressing plate is arranged at the end part of the guide rod piece, which is far away from the ceramic to be detected, the top pressing plate is connected with the guide frame through a collision spring, and when the detection part moves to the bottom of the ceramic to be detected, the lower end part of the guide frame can be connected with a lower rotating mechanism, and the guide frame which moves downwards can drive the suction disc piece to rotate by a certain angle through the lower rotating mechanism.
Based on the technical scheme, the invention also provides the following optional technical schemes:
in one alternative: the power assembly comprises a power wire rod piece, a servo motor and a spiral block, wherein two ends of the power wire rod piece are rotatably arranged on the support body, the servo motor is arranged at the top of the support body, the output end of the servo motor is connected with the end part of the power wire rod piece, the spiral block is slidably arranged on the support body, and the power wire rod piece spirally penetrates through the spiral block; the guide frame is fixedly connected with the spiral block through the connecting support arm.
In one alternative: the detection component comprises a collision roller, a detection camera and a detection frame, and the detection frame is rotationally connected with the end part of the guide rod; the number of the abutting rollers is two, the abutting rollers are symmetrically arranged at two end parts of the detection frame, and the detection camera is arranged in the middle of the detection frame.
In one alternative: the side part of the storage disc is provided with an avoidance notch, and the avoidance notch extends to the bottom of the ceramic to be detected towards the end part of the center of the storage disc; the width of the avoidance gap is larger than the width of the detection part.
In one alternative: the side pressing piece comprises a clamping pressure rod and a clamping spring, one end of the clamping pressure rod is hinged with the inner wall of the storage tray, the middle part of the clamping pressure rod is connected with the inner wall of the storage tray through the clamping spring, and the other end of the clamping pressure rod is provided with a clamping roller.
In one alternative: the lower rotating mechanism comprises an outer box body, a rotating shaft piece and a movable side plate, wherein the outer box body is fixed on a base plate, the top end part of the rotating shaft piece is fixedly connected with the center of the lower end face of the sucker piece, the lower end part of the rotating shaft piece extends into the outer box body, the lower end of the rotating shaft piece is provided with an upper rotating disc, the outer edge of the upper rotating disc is circumferentially provided with a plurality of tooth parts, the inner wall of the outer box body is provided with a guide sliding groove, the movable side plate is arranged on the guide sliding groove in a sliding manner, a plurality of grooves are formed in the end face of the movable side plate, opposite to the upper rotating disc, of the upper rotating disc, and each groove is provided with a first wedge block part with one end connected with the end wall of the groove; one end of the movable side plate is provided with a sloping plate piece, the side part of the sloping plate piece is connected with the inner wall of the outer box body through a first return spring, and the lower end part of the guide frame is provided with a lower pressing roller corresponding to the sloping plate piece; the first wedge block part and the tooth body part are respectively provided with an inclined surface and a straight surface, and when the movable side plate moves towards the guide chute, the first wedge block part is contacted with the straight surface of the tooth body part; when the movable side plate is far away from the guide chute, the first wedge block part is contacted with the inclined surface of the tooth body part.
In one alternative: the lower rotating mechanism further comprises a fixed column and a lower limiting disc, the fixed column is fixed on the bottom wall of the outer box body, the fixed column coincides with the axis of the rotating shaft piece, the lower limiting disc is opposite to the upper rotating disc, and a circle of second wedge block parts are arranged on opposite surfaces of the lower limiting disc and the upper rotating disc; the second wedge block part is provided with a straight surface and an inclined surface, and the lower limiting disc is connected with the bottom wall of the outer box body through a second reset spring; when the upper rotating disc rotates under the action of the movable side plate, the second wedge block part on the upper rotating disc is in an inclined surface contact state with the second wedge block part on the lower limiting disc, and the rotating lower limiting disc can push the lower limiting disc to move downwards and compress the second reset spring; when the movable side plate moves back, the lower limiting disc moves upwards under the action of the resilience force of the second return spring, and the second wedge block part on the upper rotating disc and the second wedge block part on the lower limiting disc are in a straight contact state.
In one alternative: the automatic detecting device is characterized in that the top of the support body is further provided with a pressing piece corresponding to the detecting table, the pressing piece comprises a pressing support, a pressing cylinder, a pressing plate and a ball piece, the pressing cylinder is arranged on the support body, the pressing support is arranged on the telescopic end of the pressing cylinder, the pressing plate is arranged at the end part, far away from the pressing cylinder, of the pressing support, the ball piece is arranged on the end face, opposite to the detecting table, of the pressing plate, and the ball piece can rotate freely on the pressing plate.
In one alternative: the lateral part of the downward-pressing support is also provided with an extension rod extending to the upper side of the detection assembly, the extension rod and the lower rotating mechanism are internally provided with a limiter, and the lateral part of the support body is provided with a control panel which is respectively electrically connected with the power assembly and the limiter.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the detection part always contacts with the outer surface of the ceramic to be detected in a rolling way when moving up and down, detects the defect of the surface of the ceramic to be detected, and can move along the surface of the ceramic to be detected, so that the definition of the picture of each detection area is the same.
2. According to the invention, the detection component moves along the height direction of the ceramic to be detected and detects, and the ceramic to be detected can be driven to automatically rotate by a certain angle every time the detection component runs through a detection stroke, so that the detection component detects another area of the ceramic to be detected, and the continuity of the ceramic surface can be used for detecting defects, thereby greatly improving the detection efficiency.
3. The ceramic detection device is simple in structure, accurate in detection and high in detection efficiency, and the ceramic to be detected can automatically rotate according to the moving position of the detection part, so that the whole outer surface of the ceramic to be detected is continuously detected.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the detection device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a detection component according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a structure of a test bench according to an embodiment of the invention.
Fig. 4 is a schematic diagram of a lower rotating mechanism according to an embodiment of the present invention.
Reference numerals annotate: the ceramic device comprises a substrate 100, a bracket body 110, a ceramic 200 to be detected, a detection table 300, a storage disc 310, a sucker piece 320, a clamping pressure rod 330, a clamping spring 340, a clamping roller 350, an avoidance gap 360, a lower rotating mechanism 400, an outer box 410, a rotating shaft piece 420, a fixed column 430, a second reset spring 431, an upper rotating disc 440, a tooth body portion 441, a lower limiting disc 450, a second wedge portion 451, a movable side plate 460, a groove 470, a first wedge portion 471, a guide chute 480, a sloping plate piece 490, a first reset spring 491, a detection assembly 500, a guide frame 510, a detection part 520, a collision roller 521, a detection camera 522, a detection frame 523, a guide rod piece 530, a pressing plate 540, a collision spring 550, a pressing roller 560, a connecting arm 570, a power wire piece 600, a servo motor 610, a spiral block 620, a pressing piece 700, a pressing bracket 710, a pressing cylinder 720, a pressing plate 730, a ball piece 740, an extension rod 750, a limiter 760 and a control panel 800.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
In one embodiment, as shown in fig. 1-3, a ceramic surface defect detecting device comprises a substrate 100, a detecting table 300 and a detecting assembly 500, wherein a lower rotating mechanism 400 and a bracket body 110 are arranged on the substrate 100, the detecting table 300 comprises a placing tray 310 and a sucking disc piece 320, the placing tray 310 is arranged on the lower rotating mechanism 400, the sucking disc piece 320 is rotatably arranged at the center of the placing tray 310, the sucking disc piece 320 is used for supporting and fixing the bottom of a ceramic 200 to be detected, and the lower end of the sucking disc piece 320 extends into the lower rotating mechanism 400; the detection assembly 500 is slidably arranged on the support body 110, a power assembly for driving the detection assembly 500 to longitudinally reciprocate is arranged on the support body 110, the detection assembly 500 comprises a guide frame 510 and a detection part 520, the guide frame 510 is connected with the power assembly, a guide rod part 530 with one end extending towards the ceramic 200 to be detected is arranged on the guide frame 510, the detection part 520 is arranged at the end part of the guide rod part 530, which is pointed towards the ceramic 200 to be detected, the detection part 520 is contacted with the outer wall of the ceramic 200 to be detected in a rolling contact manner, the guide rod part 530 horizontally slides on the guide frame 510, a top pressing plate 540 is arranged at the end part of the guide rod part 530, which is far away from the ceramic 200 to be detected, the top pressing plate 540 is connected with the guide frame 510 through a collision spring 550, when the detection part 520 moves to the bottom of the ceramic 200 to be detected, the lower end part of the guide frame 510 can be connected with the lower rotating mechanism 400, and the downward moving guide frame 510 can drive the suction disc part 320 to rotate by a certain angle through the lower rotating mechanism 400;
in the embodiment of the present invention, the ceramic 200 to be inspected is mounted on the inspection table 300, and the guide bar 530 has a tendency to move toward the ceramic 200 to be inspected due to the elastic action of the interference spring 550, so that the inspection part 520 always makes rolling contact with the outer surface of the ceramic 200 to be inspected and detects the surface defect of the ceramic 200 to be inspected when moving up and down; the power assembly drives the detection assembly 500 to longitudinally reciprocate, so that the detection component 520 reciprocates along the axial direction of the ceramic 200 to be detected, when the detection component 520 moves to the bottom of the ceramic 200 to be detected each time, the guide frame 510 can be connected with the lower rotating mechanism 400, the guide frame 510 which continuously moves downwards can drive the suction disc 320 to rotate by a proper angle through the lower rotating mechanism 400, the ceramic 200 to be detected can automatically rotate by a certain angle, another area of the surface of the ceramic 200 to be detected corresponds to the detection component 520, and the detection component 520 which longitudinally reciprocates can detect defects on the whole outer surface of the ceramic 200 to be detected; therefore, the ceramic surface can continuously detect defects, and the detection efficiency is greatly improved.
In one embodiment, as shown in fig. 1 and 2, the power assembly includes a power wire rod 600, a servo motor 610 and a screw block 620, wherein two ends of the power wire rod 600 are rotatably disposed on the support body 110, the servo motor 610 is disposed on the top of the support body 110, and an output end of the servo motor 610 is connected to an end of the power wire rod 600, the screw block 620 is slidably disposed on the support body 110, and the power wire rod 600 is screwed through the screw block 620; the guide frame 510 is fixedly connected with the screw block 620 through the connecting support arm 570; in the embodiment of the present invention, the servo motor 610 can drive the power wire rod 600 to rotate in a positive and negative alternate manner through the pulse signal, the rotating power wire rod 600 drives the spiral block 620 to move up and down, and the spiral block 620 drives the detection assembly 500 to move longitudinally in a reciprocating manner.
In one embodiment, as shown in fig. 1 and 2, the detecting member 520 includes a collision roller 521, a detecting camera 522, and a detecting frame 523, and the detecting frame 523 is rotatably connected to an end of the guide member 530; the number of the abutting rollers 521 is two and the abutting rollers are symmetrically arranged at two end parts of the detection frame 523, and the detection camera 522 is arranged in the middle of the detection frame 523; when the detection component 520 approaches the ceramic 200 to be detected, the pushing of the guide rod component 530 is always kept by the pushing spring 550, the pushing rollers 521 roll to push against the outer surface of the ceramic 200 to be detected, and due to the rotating fit of the detection frame 523 and the guide rod component 530, when the detection component 520 moves up and down along the outer surface of the ceramic 200 to be detected, the two pushing rollers 521 are always contacted with the outer surface of the ceramic 200 to be detected, so that the detection camera 522 can always face the arc-shaped area of the surface of the ceramic 200 to be detected; thereby improving the accuracy of defect detection; the detecting camera 522 may be a detecting camera or other detecting instrument.
In one embodiment, as shown in fig. 1 and fig. 3, an avoidance gap 360 is disposed on the side portion of the storage tray 310, and the avoidance gap 360 extends to the bottom of the ceramic 200 to be detected toward the end portion of the center of the storage tray 310; the width of the escape gap 360 is greater than the width of the detection member 520; in an embodiment of the present invention, the detection member 520 can pass through the escape notch 360, so that the detection member 520 can detect the bottom edge of the ceramic 200 to be detected.
In one embodiment, as shown in fig. 1 and fig. 3, a side plate is disposed at an edge portion of the storage tray 310, and a plurality of side pressing members distributed in a circumferential direction are disposed on the side plate, each side pressing member includes a clamping pressing rod 330 and a clamping spring 340, one end of the clamping pressing rod 330 is hinged to an inner wall of the storage tray 310, a middle portion of the clamping pressing rod 330 is connected to the inner wall of the storage tray 310 through the clamping spring 340, and a clamping roller 350 is disposed at the other end of the clamping pressing rod 330; in the embodiment of the invention, the ceramic 200 to be detected is placed on the placing tray 310, and the clamping roller 350 can be used for laterally pressing the bottom of the ceramic 200 to be detected under the action of the elastic force of the clamping spring 340, so that the placement stability of the ceramic 200 to be detected can be increased.
In one embodiment, as shown in fig. 1, 2 and 4, the lower rotating mechanism 400 includes an outer case 410, a rotating shaft member 420 and a movable side plate 460, wherein the outer case 410 is fixed on the base plate 100, the top end of the rotating shaft member 420 is fixedly connected with the center of the lower end surface of the suction disc member 320, the lower end of the rotating shaft member 420 extends into the outer case 410, the lower end of the rotating shaft member 420 is provided with an upper rotating disc 440, the outer edge of the upper rotating disc 440 is circumferentially provided with a plurality of tooth parts 441, the inner wall of the outer case 410 is provided with a guiding chute 480, the movable side plate 460 is slidably arranged on the guiding chute 480, a plurality of grooves 470 are arranged on the end surface of the movable side plate 460 opposite to the upper rotating disc 440, and each groove 470 is provided with a first wedge part 471 with one end connected with the end wall of the groove 470; one end of the movable side plate 460 is provided with a sloping plate 490, the side part of the sloping plate 490 is connected with the inner wall of the outer box 410 through a first return spring 491, and the lower end part of the guide frame 510 is provided with a lower pressing roller 560 corresponding to the sloping plate 490; the first wedge 471 and the tooth body 441 have inclined surfaces and straight surfaces, and when the movable side plate 460 moves towards the guide chute 480, the first wedge 471 is in contact with the straight surfaces of the tooth body 441; when the movable side plate 460 is far away from the guide chute 480, the first wedge 471 is in inclined contact with the tooth 441; in the embodiment of the present invention, the lower pressing roller 560 moves downward along with the detecting component 500, and when the detecting component 520 contacts with the bottom edge of the ceramic 200 to be detected, the arc bottom of the lower pressing roller 560 contacts with the upper inclined surface of the inclined plate 490, the lower pressing roller 560 that continues to move downward can push the inclined plate 490 and the movable side plate 460 to move towards the guiding chute 480 and compress the guiding chute 480, at this time, since the first wedge 471 and the tooth 441 are in a straight contact state, the movable side plate 460 drives the upper rotating disc 440 to rotate through the first wedge 471 and the tooth 441, and the rotating shaft 420 rotates and makes the sucking disc 320 and the ceramic 200 to be detected rotate by a certain angle; when the lower pressing roller 560 moves up along with the guide frame 510, the movable side plate 460 moves back under the action of the elastic force of the first restoring spring 491, at this time, the first wedge 471 and the tooth 441 are in an inclined contact state, and the first wedge 471 has a certain elasticity and can shrink into the groove 470, so that when the movable side plate 460 moves back, the upper rotating disc 440 keeps a stable state, so that the ceramic 200 to be detected is in a stable state, and the detection component 520 is convenient for detecting defects on the surface of the ceramic 200 to be detected.
In one embodiment, as shown in fig. 4, the lower rotating mechanism 400 further includes a fixed column 430 and a lower limiting plate 450, wherein the fixed column 430 is fixed on the bottom wall of the outer case 410, the fixed column 430 coincides with the axis of the rotating shaft 420, and the lower limiting plate 450 and the upper rotating plate 440 are opposite, and a circle of second wedge parts 451 are disposed on opposite surfaces of the lower limiting plate and the upper limiting plate; the second wedge part 451 is provided with a straight surface and an inclined surface, and the lower limiting disc 450 is connected with the bottom wall of the outer box 410 through a second reset spring 431; when the upper rotating disc 440 rotates under the action of the movable side plate 460, the second wedge 451 on the upper rotating disc 440 is in an inclined contact state with the second wedge 451 on the lower limiting disc 450, and the rotating upper rotating disc 440 can push the lower limiting disc 450 to move downwards and compress the second return spring 431; when the movable side plate 460 moves back, the lower limiting plate 450 moves up under the resilience force of the second return spring 431, and the second wedge 451 on the upper rotating plate 440 is in a straight contact state with the second wedge 451 on the lower limiting plate 450, so that the lower limiting plate 450 can prevent the upper rotating plate 440 from rotating, and the stability of the ceramic 200 to be detected in defect detection of the detecting component 520 is ensured.
In one embodiment, as shown in fig. 1, the top of the bracket body 110 is further provided with a pressing member 700 corresponding to the detection table 300, the pressing member 700 includes a pressing bracket 710, a pressing cylinder 720, a pressing plate 730, and a ball member 740, the pressing cylinder 720 is disposed on the bracket body 110, the pressing bracket 710 is disposed on a telescopic end of the pressing cylinder 720, the pressing plate 730 is disposed on an end of the pressing bracket 710 away from the pressing cylinder 720, the ball member 740 is disposed on an end surface of the pressing plate 730 opposite to the detection table 300, and the ball member 740 is capable of freely rotating on the pressing plate 730; in the embodiment of the present invention, after the ceramic 200 to be detected is placed on the detecting table 300, the pressing cylinder 720 can drive the pressing bracket 710 and the pressing plate 730 to move downward, the pressing plate 730 drives the ball member 740 to move downward, and the ball member 740 can be placed at the top end opening of the ceramic 200 to be detected, so as to further clamp the ceramic 200 to be detected, so as to limit the freedom degree of up-and-down movement of the ceramic 200 to be detected, and the ball member 740 rotates freely on the pressing plate 730, so that the pressing member 700 does not hinder the rotation of the ceramic 200 to be detected.
In one embodiment, as shown in fig. 1, 2 and 4, the side of the pressing bracket 710 is further provided with an extension rod 750 extending to the upper side of the detection assembly 500, a limiter 760 is disposed inside the extension rod 750 and the lower rotating mechanism 400, and the side of the bracket body 110 is provided with a control panel 800 electrically connected to the power assembly and the limiter 760, respectively; in the embodiment of the present invention, when the detecting assembly 500 moves upward and contacts with the limiter 760 on the extension rod 750, the limiter 760 generates an induction signal and transmits the signal to the control panel 800, and the control panel 800 controls the servo motor 610 to rotate reversely, so as to drive the detecting assembly 500 to move downward; when the detection assembly 500 moves downwards and the bottom of the guide frame 510 contacts with the limiter 760 in the lower rotating mechanism 400, the limiter 760 generates an induction signal and transmits the signal to the control panel 800, and the control panel 800 controls the servo motor 610 to reversely rotate again to drive the detection assembly 500 to move upwards; and since the extension rod 750 is installed on the pressing bracket 710, the pressing cylinder 720 can adjust the height position of the pressing bracket 710 according to the height of the ceramic 200 to be inspected, and thus the height of the inspection assembly 500 moving upward can be adjusted according to the height of the ceramic 200 to be inspected.
The above-described embodiment provides a ceramic surface defect detecting device in which the ceramic 200 to be detected is mounted on the detecting stage 300, and the guide bar 530 has a tendency to move toward the ceramic 200 to be detected due to the elastic action of the abutting spring 550, so that the detecting member 520 always comes into rolling contact with the outer surface of the ceramic 200 to be detected and detects the surface defect of the ceramic 200 to be detected while moving up and down; the power assembly drives the detection assembly 500 to longitudinally reciprocate, so that the detection component 520 reciprocates along the axial direction of the ceramic 200 to be detected, when the detection component 520 moves to the bottom of the ceramic 200 to be detected each time, the guide frame 510 can be connected with the lower rotating mechanism 400, the guide frame 510 which continuously moves downwards can drive the suction disc 320 to rotate by a proper angle through the lower rotating mechanism 400, the ceramic 200 to be detected can automatically rotate by a certain angle, another area of the surface of the ceramic 200 to be detected corresponds to the detection component 520, and the detection component 520 which longitudinally reciprocates can detect defects on the whole outer surface of the ceramic 200 to be detected; therefore, the ceramic surface can continuously detect defects, and the detection efficiency is greatly improved.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. The ceramic surface defect detection device comprises a substrate, a detection table and a detection assembly, wherein a lower rotating mechanism and a bracket body are arranged on the substrate;
the sucker piece is used for supporting and fixing the bottom of the ceramic to be detected, and the lower end of the sucker piece extends into the lower rotating mechanism;
the detection assembly is arranged on the bracket body in a sliding manner, and a power assembly for driving the detection assembly to longitudinally reciprocate is arranged on the bracket body;
the detection assembly comprises a guide frame and a detection part, wherein the guide frame is connected with the power assembly, and a guide rod part with one end extending towards the ceramic to be detected is arranged on the guide frame;
the detection component is arranged at the end part of the guide rod component, which points to the ceramic to be detected, and is contacted with the outer wall of the ceramic to be detected in a rolling contact manner;
the guide rod piece horizontally slides on the guide frame, the end part of the guide rod piece, which is far away from the ceramic to be detected, is provided with a pressing plate, and the pressing plate is connected with the guide frame through a pressing spring;
when the detection component moves to the bottom of the ceramic to be detected, the lower end part of the guide frame can be connected with the lower rotating mechanism, and the guide frame moving downwards can drive the sucker to rotate through the lower rotating mechanism; the detection component comprises a collision roller, a detection camera and a detection frame, and the detection frame is rotationally connected with the end part of the guide rod; the number of the abutting rollers is two, the abutting rollers are symmetrically arranged at two end parts of the detection frame, and the detection camera is arranged in the middle of the detection frame.
2. The ceramic surface defect detection device of claim 1, wherein the power assembly comprises a power wire rod piece, a servo motor and a screw block;
the two ends of the power screw rod piece are rotatably arranged on the bracket body, the servo motor is arranged at the top of the bracket body, and the output end of the servo motor is connected with the end part of the power screw rod piece;
the spiral block is arranged on the bracket body in a sliding manner, and the power screw rod piece spirally penetrates through the spiral block; the guide frame is fixedly connected with the spiral block through the connecting support arm.
3. The ceramic surface defect detection device according to claim 1, wherein an avoidance notch is formed in the side portion of the object placing disc, and extends to the bottom of the ceramic to be detected towards the end portion of the center of the object placing disc; the width of the avoidance gap is larger than the width of the detection part.
4. The apparatus according to claim 3, wherein the edge of the tray is provided with a side plate and a plurality of side pressing members distributed circumferentially are provided on the side plate;
the side pressing piece comprises a clamping pressing rod and a clamping spring, one end of the clamping pressing rod is hinged with the inner wall of the storage disc, the middle part of the clamping pressing rod is connected with the inner wall of the storage disc through the clamping spring, and the other end of the clamping pressing rod is provided with a clamping roller.
5. The apparatus according to claim 1, wherein the lower rotating mechanism comprises an outer case, a rotating shaft member, and a movable side plate;
the outer box body is fixed on the base plate, and the top end part of the rotating shaft part is fixedly connected with the center of the lower end surface of the sucker part;
the lower end part of the rotating shaft part extends into the outer box body, the lower end of the rotating shaft part is provided with an upper rotating disc, and the outer edge of the upper rotating disc is circumferentially provided with a plurality of tooth parts;
a guide chute is arranged on the inner wall of the outer box body, a movable side plate is arranged on the guide chute in a sliding manner, a plurality of grooves are formed in the end face of the movable side plate, which is opposite to the upper rotating disc, and each groove is provided with a first wedge block part with one end connected with the end wall of the groove;
one end of the movable side plate is provided with a sloping plate piece, the side part of the sloping plate piece is connected with the inner wall of the outer box body through a first return spring, and the lower end part of the guide frame is provided with a lower pressing roller corresponding to the sloping plate piece;
the first wedge block part and the tooth body part are respectively provided with an inclined surface and a straight surface, and when the movable side plate moves towards the guide chute, the first wedge block part is contacted with the straight surface of the tooth body part; when the movable side plate is far away from the guide chute, the first wedge block part is contacted with the inclined surface of the tooth body part.
6. The ceramic surface defect inspection apparatus of claim 5 wherein said lower rotating mechanism further comprises a fixed post and a lower limiting plate;
the fixed column is fixed on the bottom wall of the outer box body, the fixed column coincides with the axis of the rotating shaft piece, the lower limiting disc is opposite to the upper rotating disc, and a circle of second wedge block parts are arranged on the opposite surfaces of the lower limiting disc and the upper rotating disc;
the second wedge block part is provided with a straight surface and an inclined surface, and the lower limiting disc is connected with the bottom wall of the outer box body through a second reset spring;
when the upper rotating disc rotates under the action of the movable side plate, the second wedge block part on the upper rotating disc is in an inclined surface contact state with the second wedge block part on the lower limiting disc; when the movable side plate moves back, the second wedge block part on the upper rotating disc and the second wedge block part on the lower limiting disc are in a straight surface contact state.
7. The apparatus according to any one of claims 1 to 6, wherein the top of the holder body is further provided with a hold-down piece corresponding to the inspection stage;
the pressing piece comprises a pressing support, a pressing cylinder, a pressing plate and a ball piece;
the pressing device comprises a pressing plate, a ball piece, a detection table and a support body, wherein the pressing plate is arranged on the pressing plate, the pressing plate is arranged on the end face of the pressing plate opposite to the detection table, and the pressing plate is arranged on the end face of the pressing plate opposite to the detection table.
8. The device for detecting surface defects of ceramic according to claim 7, wherein the lateral part of the pressing support is further provided with an extension rod extending to the upper side of the detection assembly, a limiter is arranged inside the extension rod and the lower rotating mechanism, and the lateral part of the support body is provided with a control panel electrically connected with the power assembly and the limiter respectively.
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