CN114034711A - Long cylinder appearance detection device - Google Patents
Long cylinder appearance detection device Download PDFInfo
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- CN114034711A CN114034711A CN202111491496.3A CN202111491496A CN114034711A CN 114034711 A CN114034711 A CN 114034711A CN 202111491496 A CN202111491496 A CN 202111491496A CN 114034711 A CN114034711 A CN 114034711A
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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
- G01N21/8806—Specially adapted optical and illumination features
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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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- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
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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
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8841—Illumination and detection on two sides of object
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/022—Casings
- G01N2201/0224—Pivoting casing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/10—Scanning
- G01N2201/104—Mechano-optical scan, i.e. object and beam moving
- G01N2201/1047—Mechano-optical scan, i.e. object and beam moving with rotating optics and moving stage
Abstract
The invention relates to a long column body appearance detection device which comprises an image acquisition system, a translation mechanism and a rotation mechanism. The image acquisition system is used for being arranged on one side of the long column body in the radial direction, and the translation mechanism is used for being connected with at least one of the long column body or the image acquisition system and driving the long column body or the image acquisition system to move relatively in a first direction, wherein the first direction is the axial direction of the long column body. The rotating mechanism is used for driving the long column body or the image acquisition system to rotate around the axis of the long column body. Through setting up translation mechanism and slewing mechanism, when long cylinder or image acquisition system rotated around the axis of long cylinder, image acquisition system can realize the image acquisition to a whole circle of long cylinder week side, when taking place relative translation between long cylinder and the image acquisition system, image acquisition system can realize the image acquisition to the different length positions department of long cylinder promptly. Therefore, by providing the translation mechanism and the rotation mechanism, the appearance of the long columnar body can be detected comprehensively.
Description
Technical Field
The invention relates to the technical field of long cylinder appearance detection, in particular to a long cylinder appearance detection device.
Background
At present, in the fields of food, medicine and mechanical forming processing, the detection requirement on the outer surface of the long column body is higher and higher.
In the prior art, because the length of the long column is long, the appearance detection is generally limited to the local position on the surface of the long column, and the appearance of the long column cannot be comprehensively detected.
Disclosure of Invention
Therefore, it is necessary to provide a long column appearance detection device for solving the problem that the appearance of a long column cannot be detected comprehensively in the prior art.
A long column body appearance detection device, comprising:
the image acquisition system is arranged on one side of the long column body in the radial direction;
the translation mechanism is connected with at least one of the image acquisition system and the long cylinder and used for driving the image acquisition system and the long cylinder to relatively move along a first direction, wherein the first direction is the axial direction of the long cylinder; and
and the rotating mechanism is used for driving the image acquisition system or the long cylinder to rotate around the axis of the long cylinder.
In one embodiment, the translation mechanism is used for being connected with the long column body so as to drive the long column body to translate along a first direction;
the rotating mechanism is connected with the translation mechanism to drive the translation mechanism to rotate around the axis of the long column body, so that the translation mechanism drives the long column body to rotate around the axis of the long column body.
In one embodiment, the rotation mechanism includes:
the main mandrel is internally provided with a mounting hole, the extending direction of the mounting hole is along the first direction, the long column is mounted in the mounting hole, and the translation mechanism is mounted on the main mandrel;
and the first power assembly is used for driving the main mandrel to rotate.
In one embodiment, the translation mechanism comprises:
the friction wheel is used for driving the long cylinder to translate along a first direction when rotating; and the combination of (a) and (b),
and the second power assembly is connected with the friction wheel and used for driving the friction wheel to rotate.
In one embodiment, the number of the friction wheels is at least two, and the translation mechanism further includes:
the swing arm assembly at least comprises a first swing arm and a second swing arm, the first ends of the first swing arm and the second swing arm are respectively rotatably connected with the main spindle, the second ends of the first swing arm and the second swing arm are respectively correspondingly connected with a friction wheel, the first swing arm and the second swing arm are respectively positioned on two sides of the long column body along the second direction, the two sides are opposite in position, when the second ends of the first swing arm and the second swing arm are both rotated to abut against the long column body, the first swing arm and the second swing arm clamp the long column body, and the second direction is vertical to the first direction; and
and the third power assembly is arranged on the main mandrel, the first ends of the first swing arm and the second swing arm are respectively connected with the third power assembly, and the third power assembly is used for driving the first swing arm and the second swing arm to swing.
In one embodiment, the first power assembly is a pulley drive assembly.
In one embodiment, the second power assembly comprises:
the first gear is coaxially arranged with the first end of the first swing arm and/or the second swing arm, the second gear is coaxially arranged with the friction wheel, and the belt wheel is used for driving the first gear and the second gear to synchronously rotate;
and the output end of the motor is connected with the first gear and is used for driving the first gear to rotate.
In one embodiment, the third power assembly includes two turbine worm pairs, a first end of the first swing arm and a first end of the second swing arm respectively correspond to and are connected to the turbines of the two turbine worm pairs one by one, a rotation direction of the turbines is the same as a rotation direction of the first swing arm and the second swing arm, two worms of the two turbine worm pairs are coaxially arranged and are connected to each other, and tooth directions of the two worms are opposite.
In one embodiment, the third power assembly further comprises a gear train, the gear train comprising:
the driving gear is connected with the motor;
and the driven gear is sleeved at the connecting position of the two worm rods and is used for driving the two worm rods to rotate simultaneously, and the driven gear is meshed with the driving gear.
In one embodiment, the long column appearance detection device further comprises a plurality of supporting members, the supporting members are located at two ends of the rotating mechanism in the first direction, each supporting member is provided with a rotating wheel, and the rotating wheels are used for supporting the long column.
In one embodiment, the image acquisition system comprises a line camera and a light source, the line camera is used for acquiring the surface image of the sample, and the irradiation area of the light source covers the acquisition area of the line camera.
The long cylinder appearance detection device is characterized in that the long cylinder appearance detection device is provided with the translation mechanism and the rotating mechanism, and the translation mechanism and the rotating mechanism are used for driving the long cylinder to move or driving the image acquisition system to move, so that the long cylinder and the image acquisition system can move relatively and can rotate relatively. When the long cylinder or the image acquisition system rotates around the axis of the long cylinder, the image acquisition system can realize image acquisition of a whole circle of the peripheral side of the long cylinder, and when the long cylinder and the image acquisition system are translated relatively, the image acquisition system can realize image acquisition of different length positions of the long cylinder. Therefore, by providing the translation mechanism and the rotation mechanism, the appearance of the long columnar body can be detected comprehensively.
Drawings
FIG. 1 is a front view of a long column body appearance inspection device in one embodiment;
FIG. 2 is a left side view of the long column external view detection device of FIG. 1;
fig. 3 is a schematic diagram of a spiral image acquired by the image acquisition system in an embodiment.
Reference numerals: 200-a translation mechanism; 210-a friction wheel; 220-a second power assembly; 221-a first gear; 222-a second gear; 223-a pulley; 224-a motor; 230-a first swing arm; 240-a second swing arm; 250-a third power assembly; 251-a turbine; 252-a worm; 253-a drive gear; 254-driven gear; 255-a motor; 256-a mounting seat;
300-a rotation mechanism; 310-a main mandrel; 320-a first power assembly; 321-a driving wheel; 322-a pulley; 323-driven wheel; 330-conductive slip ring; 340-a base;
400-a support; 410-a rotating wheel;
600-an image acquisition system; 610-line camera; 620-a light source;
700-spiral image;
800-long column.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, an embodiment of the invention provides a long cylinder appearance detection apparatus, which includes an image acquisition system 600, a translation mechanism 200, and a rotation mechanism 300. The image acquisition system 600 is configured to be disposed at one side of the long cylinder 800 in the radial direction, and the translation mechanism 200 is configured to be connected to at least one of the long cylinder 800 or the image acquisition system 600, and configured to drive the long cylinder 800 or the image acquisition system 600 to move relatively along a first direction OX, where the first direction OX is an axial direction of the long cylinder. The rotating mechanism 300 is used to drive the long column 800 or the image capturing system 600 to rotate around the axis of the long column 800.
The cross section of the long column 800 may be any polygon such as a circle, a rectangle, and a triangle, and the cross section of the long column 800 may be a circle.
In this embodiment, by providing the translation mechanism 200 and the rotation mechanism 300, no matter whether the translation mechanism 200 and the rotation mechanism 300 are used to drive the long cylinder 800 or the image capturing system 600 to move, the relative translation and the relative rotation between the long cylinder 800 and the image capturing system 600 can be achieved. When the long cylinder 800 or the image acquisition system 600 rotates around the axis of the long cylinder 800, the image acquisition system 600 can acquire a full circle of images around the long cylinder 800, and when the long cylinder 800 and the image acquisition system 600 translate relatively, the image acquisition system 600 can acquire images at different length positions of the long cylinder 800. Therefore, by providing the translation mechanism 200 and the rotation mechanism 300, the appearance of the long columnar body can be detected over the entire surface.
In one embodiment, the translation mechanism 200 and the rotation mechanism 300 both act on the long column 800, and specifically, the translation mechanism 200 is used to connect with the long column 800, and the rotation mechanism 300 is connected with the translation mechanism 200.
In this embodiment, the translation mechanism 200 is configured to drive the long cylinder 800 to move along the first direction OX, and the rotation mechanism 300 can drive the translation mechanism 200 to further drive the long cylinder 800 to rotate around the axis of the long cylinder 800, that is, the long cylinder 800 simultaneously realizes translation and rotation, and the long cylinder 800 moves in a spiral advancing manner. At this time, the image capturing system 600 is only required to be suspended or supported at one side of the long column 800 in the radial direction, and the image capturing system 600 can capture a continuous spiral image 700 on the sidewall of the long column 800 when the long column 800 moves, see fig. 3.
In another embodiment, the translation mechanism can drive the long column to move, the image acquisition system is installed on the rotation mechanism, and the rotation mechanism can drive the image acquisition system to rotate. During testing, the image acquisition system rotates around the axis of the long column body around the periphery of the long column body, after the image acquisition system finishes one circle of image acquisition along the periphery of the long column body, the translation mechanism drives the long column body to move forward for a certain distance, and then the image acquisition system acquires the next section of image around the long column body again, and the operation is repeated until the image acquisition on the periphery of the whole long column body is finished. In this embodiment, because long cylinder moves a distance forward, rotating device gathers the outer wall image of a section of long cylinder promptly, consequently, the image of gathering is discontinuous fracture image, if the position of flaw is located fracture position department, then can increase the difficulty of comparing.
In still other embodiments, the image capturing system is mounted on a translation mechanism, the translation mechanism is capable of driving the image capturing system to translate, the rotation mechanism is connected with the long column, and the rotation mechanism is capable of driving the long column to rotate. When the device is used, after the rotating mechanism drives the long column body to rotate for a circle, the translation mechanism drives the image acquisition system to move for a certain distance, and the operation is repeated until the image acquisition is finished. The images collected in the same sample embodiment are discontinuous fracture images.
In other embodiments, both the translation mechanism and the rotation mechanism may be connected to the image acquisition system. The specific long column body is supported by the supporting mechanisms, and the supporting positions of the supporting mechanisms on the long column body can be moved in the process of collecting images by the image collecting system, so that the supporting mechanisms are prevented from blocking the collecting process of the image collecting system. The images acquired in this embodiment may be continuous spiral images.
Referring to fig. 1 and 2, in some embodiments, the rotating mechanism 300 includes a main spindle 310 and a first power assembly 320, the main spindle 310 has a mounting hole therein for mounting the long column 800, and the translating mechanism 200 is mounted on the main spindle 310.
In this embodiment, the rotating mechanism 300 further includes a base 340, the main spindle 310 is installed on the base 340 through a shaft sleeve, the main spindle 310 is driven by the first power assembly 320 to rotate, and then the translation mechanism 200 is driven to rotate, the translation mechanism 200 can simultaneously drive the long column 800 to translate, and the spiral motion of the long column 800 can be realized.
Further, the first power assembly 320 is a pulley assembly. That is, the first power assembly 320 further includes a driving wheel 321, a driven wheel 323 and a belt wheel 322, the driving wheel 321 can be driven by a motor to rotate, the driving wheel 321 is connected with the driven wheel 323 through the belt wheel 322, the driven wheel 323 is sleeved on the main spindle 310, that is, when the motor drives the driving wheel 321 to rotate, the driving wheel 321 can drive the driven wheel 323 to rotate through the belt wheel 322, and then the main spindle 310 is driven to rotate through the driven wheel 323.
In some embodiments, the translation mechanism 200 includes a friction wheel 210 and a second power assembly 220, wherein the friction wheel 210, when rotating, rubs against an outer wall of the long cylinder 800 to drive the long cylinder 800 to translate along the first direction OX, and the second power assembly 220 is connected to the friction wheel 210 to drive the friction wheel 210 to rotate.
In some embodiments, the number of friction wheels 210 is at least two, and the translation mechanism 200 further includes a swing arm assembly and a third power assembly 250. The swing arm assembly at least comprises a first swing arm 230 and a second swing arm 240, wherein first ends of the first swing arm 230 and the second swing arm 240 are respectively connected with the main spindle 310 in a rotating manner, and second ends of the first swing arm 230 and the second swing arm 240 are respectively connected with one friction wheel 210. The number of the second power assemblies 220 is at least one, and the second power assemblies 220 are at least used for driving the first swing arm 230 or the friction wheel 210 on the first swing arm 230 to rotate, so as to drive the long column 800 to move through the rotation of at least one friction wheel 210.
The first swing arm 230 and the second swing arm 240 are respectively located on two opposite sides of the long column 800 along the second direction OY, when the second ends of the first swing arm 230 and the second swing arm 240 both rotate to abut against the long column 800, the first swing arm 230 and the second swing arm 240 clamp the long column 800, and the second direction OY is perpendicular to the first direction OX. The third power assembly 250 is disposed on the main spindle 310, first ends of the first swing arm 230 and the second swing arm 240 are respectively connected to the third power assembly 250, and the third power assembly 250 is configured to drive the first swing arm 230 and the second swing arm 240 to swing.
In this embodiment, the friction wheel 210 is disposed at the second end of the first swing arm 230 and the second swing arm 230, that is, the first swing arm 230 and the second swing arm 230 can drive the friction wheel 210 to rotate around the second end, and because the first swing arm 230 and the second swing arm 240 are respectively located at two opposite sides of the long cylinder 800 along the second direction OY, that is, the first swing arm 230 and the first swing arm 230 can clamp the long cylinder 800 through the friction wheel 210, and the friction wheel 210 is driven by the second power assembly 220 to rotate, that is, the friction wheel 210 provides forward power for the long cylinder 800. Namely, the long column 800 is driven to advance by the friction wheel 210 under the clamping action of the friction wheel 210, on one hand, the friction force between the long column 800 and the friction wheel 210 can be increased, and further the advancing power of the long column 800 can be increased; on the other hand, the long column 800 can be clamped by the friction wheel 210, so that the main spindle 310 can drive the first swing arm 230 and the first swing arm 230 to further drive the long column 800 to rotate.
When the cross section of the long cylinder 800 is a circle, the second direction OY is a radial direction of the long cylinder 800, and the first swing arm 230 and the second swing arm 240 clamp the long cylinder 800 from two sides of the long cylinder 800 opposite to each other with respect to the axial position, respectively. That is, the first swing arm 230 and the second swing arm 240 can clamp the long cylinders 800 of various sizes, that is, the appearance of the long cylinders 800 of various sizes can be detected, and the application range is wide.
In some embodiments, the second power assembly 220 is a pulley assembly, the pulley assembly includes a first gear 221, a second gear 222, a pulley 223, and a motor 224, the first gear 221 is disposed coaxially with the first end of the first swing arm 230 or the second swing arm 240, the second gear 222 is disposed coaxially with the friction wheel 210, and the pulley 223 is used for driving the first gear 221 and the second gear 222 to rotate synchronously. The output end of the motor 224 is connected to the first gear 221 for driving the first gear 221 to rotate.
In some embodiments, referring to fig. 2, the third power assembly 250 includes two worm gear pairs, the first ends of the first and second swing arms 230 and 240 respectively correspond to and are connected to the turbines 251 of the two worm gear pairs, and the rotation direction of the turbines 251 is the same as the rotation direction of the first and second swing arms 230 and 240. Two worms 252 in the two turbine-worm pairs are coaxially arranged and connected with each other, and the teeth on the two worms 252 are opposite in direction.
In this embodiment, the two worms 252 are coaxially connected, that is, when any one of the worms 252 is rotated, the first swing arm 230 and the second swing arm 240 can move synchronously, that is, the first swing arm 230 and the second swing arm 240 can act on the long column 800 at the same time, thereby facilitating the clamping action on the long column 800. Since the teeth on the two worms 252 have opposite directions, when the worms 252 rotate, the rotation directions of the two worm wheels 251 are opposite, and further the rotation directions of the first swing arm 230 and the second swing arm 240 are opposite, that is, the first swing arm 230 and the second swing arm 240 can simultaneously move from opposite directions to the long column 800, so as to clamp the long column 800.
Specifically, the third power assembly 250 further includes a gear transmission pair and a mounting seat 256, the mounting seat 256 is disposed on the main spindle 310, the gear transmission pair includes a driving gear 253 and a driven gear 254, the driving gear 253 is connected with a motor 255, the motor 255 is mounted on the mounting seat 256, the driven gear 254 is sleeved on a connecting position of the two worms 252 to drive the two worms 252 to rotate simultaneously, and the driven gear 254 is engaged with the driving gear 253. Through the setting of gear drive pair promptly, only need through a motor, can drive the rotation of two swing arms simultaneously, simple structure.
In some embodiments, the long column exterior appearance inspection device further includes a plurality of supports 400, the plurality of supports 400 are located at two ends of the rotating mechanism 300 in the first direction OX, and each support 400 is provided with a rotating wheel 410.
In this embodiment, when the length of the long cylinder 800 is far greater than the length of the main spindle 310 along the first direction OX, the supports 400 may be disposed at two ends of the main spindle 310 along the first direction OX to support the long cylinder 800, and in order to reduce the friction between the long cylinder 800 and the supports 400, the supports 400 are disposed with the rotating wheels 410, and the long cylinder 800 is disposed on the rotating wheels 410, so that the sliding friction between the long cylinder 800 and the supports 400 can be converted into rolling friction, and the power required for the long cylinder 800 to advance can be reduced.
In some embodiments, the image acquisition system 600 comprises a line camera 610 and a light source 620, the line camera 610 being used to acquire images of the surface of a long cylinder, the illumination area of the light source 620 covering the acquisition area of the line camera 610. The provision of the light source 620 can improve the sharpness of the acquired image.
Further, the main mandrel 310 is further sleeved with a conductive slip ring 330, and the long cylinder appearance detection device further comprises an image processing system and a control system, wherein the control system is used for controlling the movement of the translation mechanism 200 and the rotation mechanism 300. The cables in the translation mechanism 200 and the rotation mechanism 300 are connected to the control system through the conductive slip ring 330. The image acquisition system 600 is electrically connected to an image processing system, which includes a computer and a display device, wherein the computer is responsible for processing the acquired image, comparing the processed image with the defect types in the sample library, identifying the defect types, and displaying the defect types to a user through the display device.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A long column body appearance detection device is characterized by comprising:
the image acquisition system is arranged on one side of the long column body in the radial direction;
the translation mechanism is connected with at least one of the image acquisition system and the long cylinder and used for driving the image acquisition system and the long cylinder to relatively move along a first direction, wherein the first direction is the axial direction of the long cylinder; and
and the rotating mechanism is used for driving the image acquisition system or the long cylinder to rotate around the axis of the long cylinder.
2. The long column appearance detecting device according to claim 1, wherein the translation mechanism is connected to the long column to drive the long column to translate along a first direction;
the rotating mechanism is connected with the translation mechanism to drive the translation mechanism to rotate around the axis of the long column body, so that the translation mechanism drives the long column body to rotate around the axis of the long column body.
3. The long column body appearance inspection device of claim 2, wherein the rotation mechanism comprises:
the main mandrel is internally provided with a mounting hole, the extending direction of the mounting hole is along the first direction, the long column is mounted in the mounting hole, and the translation mechanism is mounted on the main mandrel; and
and the first power assembly is used for driving the main mandrel to rotate.
4. The long column body appearance inspection device of claim 3, wherein the translation mechanism comprises:
the friction wheel is used for being positioned on the radial outer side of the long column body, and the friction wheel can drive the long column body to translate along a first direction through friction force between the friction wheel and the long column body when rotating; and the combination of (a) and (b),
and the second power assembly is connected with the friction wheel and used for driving the friction wheel to rotate.
5. The long column body appearance inspection device of claim 4, wherein the number of friction wheels is at least two, the translation mechanism further comprising:
the swing arm assembly at least comprises a first swing arm and a second swing arm, the first ends of the first swing arm and the second swing arm are respectively connected with the main spindle in a rotating manner, the second ends of the first swing arm and the second swing arm are respectively connected with a friction wheel correspondingly, the first swing arm and the second swing arm are respectively positioned on two sides of the long column body along the second direction, the two sides are opposite in position, when the friction wheels at the second ends of the first swing arm and the second swing arm are rotated to abut against the long column body, the first swing arm and the second swing arm clamp the long column body, and the second direction is perpendicular to the first direction; and
and the third power assembly is arranged on the main mandrel, the first ends of the first swing arm and the second swing arm are respectively connected with the third power assembly, and the third power assembly is used for driving the first swing arm and the second swing arm to swing.
6. The long column body appearance inspection device of claim 3, wherein the first power assembly is a pulley drive assembly.
7. The long column body appearance inspection device of claim 5, wherein the second power assembly comprises:
the first gear is coaxially arranged with the first end of the first swing arm and/or the second swing arm, the second gear is coaxially arranged with the friction wheel, and the belt wheel is used for driving the first gear and the second gear to synchronously rotate;
and the output end of the motor is connected with the first gear and is used for driving the first gear to rotate.
8. The long column body appearance detection device according to claim 5, wherein the third power assembly comprises two turbine worm pairs, the first ends of the first swing arm and the second swing arm respectively correspond to and are connected to the turbines of the two turbine worm pairs one by one, the rotation directions of the turbines are the same as those of the first swing arm and the second swing arm, the two worms of the two turbine worm pairs are coaxially arranged and are connected with each other, and the tooth directions of the two worms are opposite.
9. The long column body appearance inspection device of claim 8, wherein the third power assembly further comprises a gear transmission pair, the gear transmission pair comprising:
the driving gear is connected with the motor;
and the driven gear is sleeved at the connecting position of the two worm rods and is used for driving the two worm rods to rotate simultaneously, and the driven gear is meshed with the driving gear.
10. The long column appearance detecting device of claim 1, further comprising a plurality of supporting members, the plurality of supporting members being located at two ends of the rotating mechanism in the first direction, each of the supporting members being provided with a rotating wheel for supporting the long column.
11. The long column body appearance inspection device of claim 1, wherein the image acquisition system comprises a line camera and a light source, the line camera is used for acquiring the surface image of the sample, and the irradiation area of the light source covers the acquisition area of the line camera.
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| CN202111491496.3A CN114034711A (en) | 2021-12-08 | 2021-12-08 | Long cylinder appearance detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111491496.3A CN114034711A (en) | 2021-12-08 | 2021-12-08 | Long cylinder appearance detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684904A (en) * | 2022-10-14 | 2023-02-03 | 荣耀终端有限公司 | Key testing device, clamp of key testing device and using method of clamp |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684904A (en) * | 2022-10-14 | 2023-02-03 | 荣耀终端有限公司 | Key testing device, clamp of key testing device and using method of clamp |
| CN115684904B (en) * | 2022-10-14 | 2023-10-24 | 荣耀终端有限公司 | Key testing device, clamp of key testing device and use method of clamp |
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