CN212180643U - Light source projection angle adjusting device - Google Patents
Light source projection angle adjusting device Download PDFInfo
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- CN212180643U CN212180643U CN202020725799.1U CN202020725799U CN212180643U CN 212180643 U CN212180643 U CN 212180643U CN 202020725799 U CN202020725799 U CN 202020725799U CN 212180643 U CN212180643 U CN 212180643U
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Abstract
A light source projection angle adjusting device comprises a light source fixing component and a light source distance adjusting component, wherein the light source fixing component comprises at least one group of light source mounting plates, one side of each light source mounting plate is arranged in parallel to the X-axis direction, the other side of each light source mounting plate is arranged in parallel to the axial direction of an external camera lens, at least one arc-shaped groove is formed in each light source mounting plate, and a light source is fixedly connected with the arc-shaped groove in a detachable mode; the light source distance adjusting assembly comprises a light source fixing plate, a light source position adjusting unit and a connecting plate; the light source position adjusting unit comprises a first sliding subunit, the first sliding subunit is parallel to the axial direction of the camera lens and can move back and forth in the axial direction, one end of a light source fixing plate is fixedly connected with one group of light source mounting plates, the other end of the light source fixing plate is fixedly connected with the light source position adjusting unit, one end of a connecting plate is fixedly connected with a sliding block of the first sliding subunit, and the other end of the connecting plate is fixedly connected with an external component so as to be used for accurately adjusting the projection angle of the light source on the glass to be detected and ensure clear imaging.
Description
Technical Field
The utility model belongs to the technical field of the optics precision measurement, especially, relate to a light source projection angle adjusting device.
Background
With the rapid development of the mobile phone manufacturing industry, the demand for high-precision detection is higher and higher, the glass cover plate material has good mechanical property and optical property, the signal shielding effect is weak, and the production cost is relatively low, so that the glass cover plate material gradually becomes the mainstream of the smart phone cover plate.
The 2.5D/3D curved glass has the characteristics of lightness, thinness, transparency, cleanness, fingerprint resistance, dizziness resistance and the like, and has more novel and superior appearance performance. More advantageous in heat dissipation, gloss and abrasion resistance. Simultaneously, the radian cooperation of crooked design and palm more accords with human engineering's requirement, can bring outstanding touch-control and feel. The social demand of the mobile phone glass cover plate is quite remarkable, and according to market data feedback, the current mobile phone cover plate (also called a glass cover plate) has the annual shipment quantity of 20 hundred million sheets per year. The 3D glass cover plate is used as an essential accessory of a next-generation mobile phone, and the market scale of the 3D glass cover plate is nearly 192 billion yuan by 2020.
The production of the mobile phone glass cover plate is a relatively complex process, each process requires quality inspection, and various defects such as scratches, dirt, convex and concave points, dust, edge breakage and the like are inevitably generated in the actual processing process. At present, most of domestic production lines still adopt manual detection, the efficiency is low, and the consistency and the accuracy are difficult to ensure. With the continuous improvement of human cost, introduce AOI optics automatic vision check out test set, not only can reduce the cost of enterprise, to improving the cover plate glass yield moreover, improve and produce the line productivity and have the significance.
The machine vision defect detection technology has the advantages of high automation degree, low cost, high efficiency and the like. 2.5D/3D glass can generally be divided into two parts: a planar portion and a curved edge portion. Many companies manufacturers at home and abroad begin to research and develop detection equipment one by one, but visual detection about glass cover plates in the current market is mostly to the defect detection of the plane part of the cover plate, and to the defect detection of the arc edge of the glass cover plate, because the arc edge of the glass cover plate is positioned at the edge of the glass cover plate and has a certain radian, the glass cover plate is difficult to image optically, wherein the installation position and the projection angle of a light source have considerable influence on the imaging effect, and therefore, it is necessary to design a set of device which is convenient for accurately adjusting the angle of the light source of the camera.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to present cell-phone glass apron defect detection, especially to the not enough of cell-phone glass apron arc limit defect, provide a light source and throw angle adjusting device, the device can effectively solve the formation of image at glass apron edge and meet the debugging problem of light source angle in the testing process of defect, saves installation and debug time by a wide margin, and compact structure.
In order to achieve the above object, the present invention provides a light source projection angle adjusting device for adjusting a light source projection angle, which includes a light source fixing assembly and a light source spacing adjusting assembly connected in sequence;
the light source fixing assembly is positioned below the light source spacing adjusting assembly and used for adjusting the upward swing of the light source module on an XY plane, the light source fixing assembly comprises at least one group of light source mounting plates, one side of each light source mounting plate is arranged in parallel to the X-axis direction, the other side of each light source mounting plate is arranged in parallel to the axial direction of an external camera lens, at least one arc-shaped groove is arranged on each light source mounting plate, each light source module comprises at least one group of light sources, and the light sources are fixedly connected with the arc-shaped grooves in a detachable mode so that the light source module can move on the XY plane through the arc-shaped grooves;
the light source distance adjusting assembly is used for adjusting the distance between the light source and the glass to be detected, and comprises a light source fixing plate, a light source position adjusting unit and a connecting plate which are sequentially connected from bottom to top; the light source position adjusting unit comprises a first sliding subunit, the first sliding subunit is parallel to the axial direction of the camera lens and can move back and forth along the axial direction of the camera lens, one end of the light source fixing plate is connected with the light source mounting plate fixedly, the other end of the light source fixing plate is connected with the light source position adjusting unit fixedly, so that the light source module is driven by the first sliding subunit to move along the axial direction of the camera lens integrally, one end of the connecting plate is fixedly connected with a sliding block of the first sliding subunit, and the other end of the connecting plate is fixedly connected with the external component.
Preferably, light source position adjustment unit still includes regulating plate around one, the regulating plate is located around the front and back light source fixed plate with between the first subunit that slides, front and back regulating plate one end with the slip table of first subunit that slides links to each other with fixed, the front and back regulating plate other end is equipped with one row at least horizontal fluting along the X axle direction, the light source fixed plate corresponds the horizontal fluting is equipped with the screw hole, the light source fixed plate with pass between the front and back regulating plate via horizontal fluting's fastening screw fixed connection, so that light source module can via horizontal fluting is followed X axle direction back-and-forth movement.
Further, still be equipped with a recess along the X axle direction on the front and back regulating plate, the light source fixed plate corresponds the recess is equipped with a boss, the boss with the sliding channel gomphosis is connected.
Preferably, the light source projection angle adjusting device further includes a horizontal pitch adjustment module, the horizontal pitch adjustment module is used for adjusting the pitch angle of the light source module on the YZ plane, and includes a first swing adjustment displacement table and an angle connection plate, the first swing adjustment displacement table is parallel to the YZ plane, the lower end surface of the first swing adjustment displacement table is fixedly disposed, the upper end surface of the first swing adjustment displacement table is fixedly connected with the angle connection plate to drive the angle connection plate to adjust the pitch on the YZ plane, and the other end surface of the angle connection plate is fixedly connected with the connection plate to drive the light source module to perform pendulum movement on the YZ plane as a whole.
Furthermore, the angle connecting plate comprises a connecting side plate and a connecting bottom plate which are arranged in a T shape, the connecting side plate is arranged parallel to a YZ plane, one end face of the connecting side plate is fixedly connected with the first swing adjusting displacement table so as to drive other components to adjust the pitching of the YZ plane under the driving of the first swing adjusting displacement table, two waist-shaped openings are symmetrically formed in the connecting side plate, and the connecting side plate is fastened and connected with the outside through screws penetrating through the waist-shaped openings; the connecting bottom plate is arranged in parallel to the XY plane, a U-shaped opening is formed in one end, connected with the connecting bottom plate, of the connecting plate, and the connecting plate is fixedly connected with the connecting bottom plate through screws after being clamped and connected with the connecting bottom plate through the U-shaped opening.
Preferably, the light source projection angle adjusting device further comprises a Z-direction adjusting module, the Z-direction adjusting module is used for adjusting the horizontal position of the whole light source module and comprises a third sliding subunit, the third sliding subunit is arranged along the Z-axis direction and can move back and forth along the Z-axis direction, the bottom of the third sliding subunit is fixedly connected with an external portal frame, and a sliding block of the third sliding subunit is fixedly connected with the lower end face of the first swing adjusting displacement table so as to drive the light source module to move along the Z-axis direction.
Furthermore, the light source projection angle adjusting device further comprises a sliding table fixing plate, the sliding table fixing plate is fixedly connected with the portal frame, and the Z-direction adjusting module is arranged on the portal frame through the sliding table fixing plate.
Preferably, the light source fixing component comprises a group of light source mounting plates or two groups of light source mounting plates which are symmetrically arranged.
Preferably, two sets of arc-shaped grooves are respectively arranged on each light source fixing plate, and the distance between the two sets of arc-shaped grooves corresponds to the mounting hole positions on the side wall of the light source.
Preferably, the first swing adjusting displacement table is a rotary manual displacement table;
and/or the first sliding subunit is a simple adjusting component;
and/or the light source module comprises two groups of high-angle light sources arranged in the middle of the arc-shaped groove and one or two low-angle light sources arranged at the left end and the right end of the arc-shaped groove.
The utility model discloses a light source throws angle adjusting device, can be as required, the projection angle of accurate adjustment light source treating glass department is in order to guarantee to image clearly. When the device works, the installation angle of the light source is adjusted by adjusting the position of the light source on the arc-shaped groove according to the actual situation of a work site; and then the relative position from the light source to the glass to be detected is adjusted through the light source position adjusting unit so as to adjust the brightness of the light source to a proper value, and finally the projection angle of the light source is adjusted to a proper position so as to match the subsequent inclination angle adjustment of an external camera and the focusing adjustment of a camera lens.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of modules of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the connection between the light source module and the light source fixing assembly in the embodiment shown in FIG. 1;
FIG. 4 is a schematic structural view of an angle joint plate in the embodiment shown in FIG. 1;
wherein, the light source module 10: the low-angle light source 11, the high-angle light source 12, the light source mounting plate 21, the arc-shaped groove 211, the light source fixing plate 22, the boss 221, the front-rear adjusting plate 23, the horizontal slot 231, the groove 232, the first sliding subunit 24, the connecting plate 25, the horizontal pitch adjusting module 30, the first swing adjusting displacement table 31, the connecting side plate 32, the connecting bottom plate 33, the waist-shaped opening 34, the third sliding subunit 41, the sliding table fixing plate 42, the camera lens 51 and the camera 52.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention in any way.
Like reference numerals refer to like elements throughout the specification. The expression "and/or" includes any and all combinations of one or more of the associated listed items. In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, integers, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, integers, operations, elements, components, and/or groups thereof.
The terms "substantially", "about" and the like as used in the specification are used as terms of approximation and not as terms of degree, and are intended to account for inherent deviations in measured or calculated values that would be recognized by one of ordinary skill in the art.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The utility model provides a light source projection angle adjusting device, which is used for adjusting the light source polishing angle and comprises a light source fixing component and a light source distance adjusting component which are connected in sequence; wherein, the vertical upward direction is defined as Y direction, and the horizontal rightward direction is defined as Z direction; the direction perpendicular to the plane of YZ and outward is the X direction.
As shown in fig. 2 and 3, the light source fixing assembly is used for adjusting the upward swing of the light source module 10 on the XY plane, and includes at least one set of light source mounting plate 21, one side of the light source mounting plate 21 is parallel to the X axis direction, the other side is parallel to the axial direction of the camera lens 51, at least one set of arc-shaped grooves 211 are respectively arranged on the light source mounting plate 21, the arc-shaped grooves 211 are arranged along the negative direction of the X axis, the light source module 10 is detachably and fixedly connected with the arc-shaped grooves 211 on the light source mounting plate 21, so that the light source module can move in an arc on the XY plane through the arc; the light source distance adjusting component is used for adjusting the distance between a light source and glass to be detected and comprises a light source fixing plate 22, a light source position adjusting unit and a connecting plate 25 which are sequentially connected from bottom to top; the light source position adjusting unit comprises a first sliding subunit 24, the first sliding subunit 24 is arranged along the axial direction of the camera lens and can move back and forth along the axial direction of the camera lens, one end of a light source fixing plate is fixedly connected with one group of light source mounting plates 21, the other end of the light source fixing plate is fixedly connected with the light source position adjusting unit so as to drive the light source module 10 to move integrally along the axial direction of the camera lens under the driving of the first sliding subunit 24, one end of a connecting plate 25 is fixedly connected with a sliding block of the first sliding subunit 24, and the other end of the connecting plate is fixedly connected with the outside so as to be used for external connection and fixation of the whole.
The utility model discloses a light source projection angle adjusting device can be as required the accurate adjustment light source and wait the projection angle that detects glass department to guarantee clearly to form images. Specifically, during work, the installation angle of the light source is adjusted by adjusting the position of the light source on the arc-shaped groove according to the actual situation of a work site; then the relative position of the light source to the glass to be detected is adjusted through the light source position adjusting unit so as to adjust the brightness of the light source to a proper value, and therefore the projection angle of the light source is adjusted to a proper position，So that the light inside the camera is sufficiently sensed to provide a proper light source for subsequent image imaging to be clear. In addition, the device is except being used for the light source to wait to detect the adjustment of the projection angle of glass department, the utility model discloses a light source projection angle adjusting device also can be applicable to other needs adjustment light source and wait to detect the occasion of projection angle between the thing.
As a preferable scheme, the light source position adjusting unit further includes a front and rear adjusting plate 23, and the front and rear adjusting plate 23 is located between the light source fixing plate and the first sliding subunit 24, and is used for fixing the light source fixing plate and the first sliding subunit; at least one row of horizontal slots 231 are formed in the front and rear adjusting plates 23 along the X-axis direction, the sliding table of the first sliding sub-unit 24 is fixedly connected to the bottom surfaces of the front and rear adjusting plates 23, screw holes are formed in the light source fixing plate corresponding to the horizontal slots 231, and the light source fixing plate is fixedly connected to the front and rear adjusting plates 23 through fastening screws penetrating through the horizontal slots 231, so that the light source module 10 can move back and forth along the X-axis direction through the horizontal slots 231.
Furthermore, a groove 232 is further arranged on the front and rear adjusting plate 23 along the X-axis direction, a boss 221 is arranged on the light source fixing plate corresponding to the groove 232, and the boss 221 is connected with the sliding channel in an embedded manner for positioning when the front and rear adjusting plate 23 is connected with the light source fixing plate; in the illustrated embodiment, in order to improve the connection strength between the front and rear adjustment plates 23 and the light source fixing plate, two rows of horizontal slots 231 are provided, the grooves 232 on the front and rear adjustment plates 23 are provided below the horizontal slots 231, when the front and rear adjustment plates 23 and the light source fixing plate are adjusted, the connecting bolts on the horizontal slots 231 are loosened, and then, the connecting bolts slide along the X-axis direction through the matching of the grooves 232 and the bosses 221 as required, the position of the light source module 10 on the X-axis is finely adjusted, if it is determined that the angle adjustment of the light source is proper, the lens does not interfere with the light source, the CCD camera is uniformly sensitive (can be observed through software), and then screws are installed into the screw holes corresponding to the light source fixing plate through the two groups of horizontal.
As a preferable scheme, as shown in fig. 1, the light source projection angle adjusting apparatus of the present invention further includes a horizontal pitch adjusting module 30, and the horizontal pitch adjusting module 30 is used for pitch adjustment of the light source module 10 in the YZ plane to adjust the light source module 10 to a position approximately aligned with the arc edge of the glass. The horizontal pitch adjustment module 30 includes a first swing adjustment displacement table 31 and an angle connection plate, which are parallel to the YZ plane, the lower end surface of the first swing adjustment displacement table 31 is fixedly connected with the outside, the upper end surface of the first swing adjustment displacement table 31 is fixedly connected with the angle connection plate to drive the pitch adjustment of the angle connection plate on the YZ plane, and the other end surface of the angle connection plate is fixedly connected with the connection plate 25 to drive the light source module 10 to perform a pendulum motion on the YZ plane as a whole;
furthermore, as shown in fig. 4, the angle connection plate includes a connection bottom plate 33 and a connection side plate 32, which are arranged in a T shape, the connection side plate 32 is parallel to the YZ plane, and two waist-shaped openings 34 are symmetrically arranged thereon, one end surface of the connection side plate 32 is fixedly connected with the first swing adjustment displacement table 31, so as to drive other components to adjust the swing in the YZ plane under the driving of the first swing adjustment displacement table 31, and when the swing angle is determined, fastening screws are inserted into the waist-shaped openings 34 to press against the gantry support or the Z-direction adjustment module along the X direction, thereby fixing the swing angle; the connecting bottom plate 33 is arranged in parallel to the XY plane, a U-shaped opening is formed in one end, connected with the horizontal pitch adjustment module 30, of the connecting plate 25, and the connecting plate 25 is fixedly connected with the connecting bottom plate 33 through screws after being clamped and connected with the connecting bottom plate 33 through the U-shaped opening.
As a preferred scheme, as shown in fig. 1, the utility model discloses a light source projection angle adjusting device still includes Z to adjusting module, and Z is used for the holistic horizontal position of light source module 10 to adjust module, and it includes third sliding subunit 41, and third sliding subunit 41 arranges and can follow Z axle direction reciprocating motion along the Z axle direction, and third sliding subunit 41 bottom links to each other with outside portal frame is fixed, and the slider of third sliding subunit 41 is fixed continuous with terminal surface under first swing regulation displacement platform 31 to drive light source module 10 and move along the Z axle direction. Furthermore, the light source projection angle adjusting device further comprises a sliding table fixing plate 42, the sliding table fixing plate 42 is fixedly connected with the portal frame, and the Z-direction adjusting module is arranged on the portal frame through the sliding table fixing plate.
Preferably, the light source fixing component comprises a group of light source mounting plates or two groups of light source mounting plates 21 which are symmetrically arranged. In the illustrated embodiment, the light source fixing assembly includes two sets of light source mounting plates 21 symmetrically disposed, and the light source module 10 is disposed between the two sets of light source mounting plates 21, or alternatively, only one set of light source mounting plates 21 may be disposed, and the light source module 10 is fixed by the set of light source mounting plates.
Preferably, the first swing adjusting displacement table 31 is a rotary manual displacement table to convert the rotary motion into the angular swing of the table top around the rotation center.
In the illustrated embodiment, the fixed plate of the first swing adjustment displacement stage 31 is fixedly connected to the outside, the movable plate of the first swing adjustment displacement stage 31 is fixedly connected to the angle connection plate, and the light source module 10 can be driven to swing upward and downward on the YZ plane by rotating the adjustment screw on the first swing adjustment displacement stage 31.
And/or the first sliding sub-unit 24 and the third sliding sub-unit 41 are simple adjusting components for converting the rotation motion into the linear motion through the constraint of the freedom degree. In the illustrated embodiment, the sliding block of the first sliding subunit 24 is fixedly connected with the connecting plate 25, the bottom of the first sliding subunit 24 is fixedly connected with the front and rear adjusting plates 23, and the three feed screws drive the sliding table to move by rotating the adjusting screws of the first sliding subunit 24, so as to adjust the distance between the light source and the glass to be detected; the bottom of the third sliding subunit 41 is fixedly connected with the portal frame or the sliding table fixing plate 42, and the three feed screws drive the sliding table surface to move by rotating the adjusting screws of the third sliding subunit 41, so that the whole defect detection device is driven to horizontally move, and the whole device is adjusted to a position approximately aligned with the arc edge of the glass.
Besides manual adjustment, each sliding subunit and each swinging adjusting displacement platform can also be an electric control displacement platform (such as a large constant photoelectric model GCD-202050M and a Zhuoli Han optical model PSA050-11-X) and an electric control rotary displacement platform, and the adjustment device is controlled to adjust the translation distance and the rotation angle through software input instructions.
The number of light sources is selected by considering the installation space and the actual lighting effect, and as a preferred scheme, the light source module 10 includes two sets of high-angle light sources 12 disposed in the middle of the arc-shaped groove 211, and one set or two sets of low-angle light sources 11 disposed at the left and right ends of the arc-shaped groove 211. The light source installation angle moves on the arc-shaped groove 211 as required to be adjusted to a proper angle, so that light emitted by four high-brightness light sources forms a narrow light band on the surface of the arc edge of the glass, the four light bands converge into a line, the scanning line of the linear array camera coincides with the light band, after being reflected by the surface of the arc edge of the glass, the light band is reflected to the exposure film of the camera, and the light intensity is consistent, so that the installation is favorable for the line scanning camera to scan and clearly image.
As a preferred scheme, two groups of arc-shaped grooves 211 are respectively arranged on each light source fixing plate, the distance between the two groups of arc-shaped grooves 211 is arranged corresponding to the mounting hole positions on the side wall of the light source, and the light source is detachably and fixedly connected with the arc-shaped grooves 211 through the matching of screws on the side wall of the light source and the mounting holes; the arc setting range of the arc groove 211 is designed according to the angle range of low-angle lighting, the arc of the arc groove 211 is usually from 25 degrees to 155 degrees, and the length range is designed according to the distance between the light source and the glass cover plate and the lighting angle. The mounted position of light source can be very convenient to slide in arc groove 211, observes the light band that the light source projects glass arc limit, carries out the pretension after the position has roughly been transferred, and the light band is through glass arc limit surface reflection back, and camera 52 is whether gathered the enough and even light band of intensity, finely tunes the position at arc groove 211 of light source, until camera 52 gathers the enough and even light band of intensity, screws up at last and locks.
In the illustrated embodiment, the two sets of arc-shaped grooves 211 and the light sources are fixed by fastening screws, the two light source mounting plates 21 are distributed on two sides of the light sources, and the light emitting surfaces of the light sources face the glass to be detected. The light source both sides all have the installation set screw, and both sides arc groove 211 size designs according to the light source installation hole site. The installation process comprises the following steps: firstly holding the light emitting surface of the light source to face one surface of the glass to be detected, then holding the light source mounting hole position to face the arc-shaped groove 211 of the light source mounting plate 21, fixing and fastening by using screws, fixing and then holding the light source mounting plate 21 on the other side for mounting, firstly preliminarily pre-tightening the screws, then sequentially mounting four light sources, and adjusting the position and the mounting angle of the light source according to the actual imaging effect.
Preferably, the light source projection angle adjusting devices are arranged in pairs on the portal frame.
The following light source is used as the line source, the camera is used as the line array camera, it is right to combine during operation installation adjustment step the utility model discloses a light source projection angle adjusting device carries out further explanation:
assembling each part module in the light source projection angle adjusting device and installing the parts modules on the gantry;
(1) rotating the fine-tuning Z-direction adjusting module, horizontally moving the light source projection angle adjusting device, adjusting the whole device to a position approximately aligned with the arc edge of the glass, and fastening the Z-direction adjusting module; in the illustrated embodiment, by rotating the adjusting screw of the third sliding subunit 41, the three feed screws drive the sliding table to move, so as to drive the defect detection device to move horizontally, so as to adjust the whole device to a position approximately aligned with the arc edge of the glass and fasten the device. In addition, the light source projection angle adjusting device further comprises a sliding table fixing plate 42, the sliding table fixing plate 42 is fixedly connected with the portal frame, and the Z-direction adjusting module is arranged on the portal frame through the sliding table fixing plate 42. In addition, the entire device can be mounted directly at a position approximately aligned with the glass arc edge.
(2) Adjusting the horizontal tilt adjustment module 30 to rotate the entire device to a suitable angle, approximately aligned with the glass arc edge;
in the illustrated embodiment, the two fastening screws disposed in the waist-shaped hole on the angle connecting plate are loosened, the adjusting screw on the first swing adjusting displacement table 31 is rotated to an appropriate angle by horizontally swinging the adjusting device, the entire device is approximately aligned with the arc edge of the glass, and then the fixing screw on the adjusting displacement table and the two fastening screws on the angle connecting plate are tightened to fix the angle.
(3) The installation angle of the light source is adjusted, the light source is powered on, the aperture of the lens is adjusted to the maximum, and the installation angle of the light source is adjusted by adjusting the position of the light source module 10 on the arc-shaped groove 211.
In the illustrated embodiment, two arc-shaped grooves 211 are installed on the light source fixing and mounting plate, and the light source can slide in the arc-shaped grooves 211 and is fixed in the arc-shaped grooves 211 through screws so as to adjust the angle and position of the light source conveniently; when the position of the light source is adjusted, the brightness of the linear array camera lens imaging needs to be integrated, and the three light sources are adjusted to a proper light-emitting angle, so that light of the light sources is emitted to the arc edge of the cover plate. In the adjusting process, the illumination intensity of the CCD camera can be observed through the line-scan camera image acquisition software, and if the light sensing is judged to be uniform, the light source is adjusted to a proper angle.
In addition, when the light source angle is adjusted, the relative position between the front and rear adjusting plates 23 and the light source module 10 can be finely adjusted according to actual needs, so that the light source angle is properly adjusted, the lens and the light source do not interfere, and the CCD camera is uniformly sensitive to light (observed through software).
(4) The relative position of the light source to the glass to be detected is adjusted through the light source position adjusting unit so as to adjust the brightness of the light source to a proper value, for example, when the image gray value is judged to be about 200, the light source is judged to be arranged at a proper position.
After the light source polishing angle is adjusted, the parameters of external components such as a camera, a feeding mechanism and the like can be set and adjusted so as to be used for acquiring images of the glass to be detected subsequently.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A light source projection angle adjusting device is used for adjusting the lighting angle of a light source, and is characterized in that: the device comprises a light source fixing component and a light source spacing adjusting component which are connected in sequence;
the light source fixing assembly is used for adjusting the light source module in an upward swinging mode on an XY plane, the light source fixing assembly comprises at least one group of light source mounting plates, one side of each light source mounting plate is arranged in a direction parallel to the X axis, the other side of each light source mounting plate is arranged in a direction parallel to the axial direction of an external camera lens, at least one arc-shaped groove is formed in each light source mounting plate, each light source module comprises at least one group of light sources, and the light sources are fixedly connected with the arc-shaped grooves in a detachable mode so that the light source module can move on the XY plane through the arc-;
the light source distance adjusting assembly is used for adjusting the distance between the light source and the glass to be detected, and comprises a light source fixing plate, a light source position adjusting unit and a connecting plate which are sequentially connected from bottom to top; the light source position adjusting unit comprises a first sliding subunit, the first sliding subunit is parallel to the axial direction of the camera lens and can move back and forth along the axial direction of the camera lens, one end of the light source fixing plate is connected with the light source mounting plate fixedly, the other end of the light source fixing plate is connected with the light source position adjusting unit fixedly, so that the light source module is driven by the first sliding subunit to move along the axial direction of the camera lens integrally, one end of the connecting plate is fixedly connected with a sliding block of the first sliding subunit, and the other end of the connecting plate is fixedly connected with the external component.
2. The light source projection angle adjusting device of claim 1, wherein the light source position adjusting unit further comprises a front and rear adjusting plate, the front and rear adjusting plate is located between the light source fixing plate and the first sliding sub-unit, one end of the front and rear adjusting plate is fixedly connected with the sliding table of the first sliding sub-unit, the other end of the front and rear adjusting plate is provided with at least one row of horizontal slots along the X-axis direction, the light source fixing plate is provided with screw holes corresponding to the horizontal slots, and the light source fixing plate is fixedly connected with the front and rear adjusting plate via fastening screws passing through the horizontal slots, so that the light source module can move back and forth along the X-axis direction via the horizontal slots.
3. The apparatus of claim 2, wherein a groove is further formed on the front and rear adjusting plates along the X-axis direction, and a boss is formed on the light source fixing plate corresponding to the groove and engaged with the groove.
4. The light source projection angle adjusting apparatus according to claim 1, further comprising a horizontal pitch adjusting module, the horizontal pitch adjusting module being used for pitch angle adjustment of the light source module in a YZ plane, the horizontal pitch adjusting module comprising a first swing adjusting displacement stage and an angle connecting plate, the first swing adjusting displacement stage being disposed parallel to the YZ plane, a lower end surface of the first swing adjusting displacement stage being fixedly disposed, an upper end surface of the first swing adjusting displacement stage being fixedly connected to the angle connecting plate to drive the angle connecting plate to perform pitch adjustment in the YZ plane, and another end surface of the angle connecting plate being fixedly connected to the connecting plate to drive the light source module to perform a pendulum motion integrally in the YZ plane.
5. The light source projection angle adjusting device of claim 4, wherein the angle connecting plate comprises a connecting side plate and a connecting bottom plate, the connecting side plate is disposed parallel to the YZ plane, an end surface of the connecting side plate is fixedly connected to the first swing adjusting displacement stage to drive other components to swing upward and downward in the YZ plane under the driving of the first swing adjusting displacement stage, the connecting side plate is symmetrically provided with two waist-shaped openings, and the connecting side plate is fastened to the outside through screws penetrating through the waist-shaped openings; the connecting bottom plate is arranged in parallel to the XY plane, a U-shaped opening is formed in one end, connected with the connecting bottom plate, of the connecting plate, and the connecting plate is fixedly connected with the connecting bottom plate through screws after being clamped and connected with the connecting bottom plate through the U-shaped opening.
6. The light source projection angle adjusting device according to claim 4 or 5, further comprising a Z-direction adjusting module, wherein the Z-direction adjusting module is used for adjusting the horizontal position of the whole light source module, and comprises a third sliding subunit, the third sliding subunit is arranged along the Z-axis direction and can move back and forth along the Z-axis direction, the bottom of the third sliding subunit is fixedly connected with an external portal frame, and a sliding block of the third sliding subunit is fixedly connected with the lower end face of the first swing adjusting displacement table to drive the light source module to move along the Z-axis direction.
7. The light source projection angle adjusting device of claim 6, further comprising a sliding table fixing plate, wherein the sliding table fixing plate is fixedly connected with the gantry, and the Z-direction adjusting module is arranged on the gantry via the sliding table fixing plate.
8. The light source projection angle adjusting apparatus of claim 1, wherein the light source fixing assembly comprises a set of light source mounting plates or two sets of light source mounting plates symmetrically disposed.
9. The light source projection angle adjusting device of claim 1 or 8, wherein two sets of arc-shaped grooves are respectively disposed on each light source fixing plate, and the distance between the two sets of arc-shaped grooves is corresponding to the mounting holes on the side wall of the light source.
10. The light source projection angle adjusting apparatus according to claim 1, wherein the first sliding sub-unit is a simple adjusting component;
and/or the light source module comprises two groups of high-angle light sources arranged in the middle of the arc-shaped groove and one or two low-angle light sources arranged at the left end and the right end of the arc-shaped groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020725799.1U CN212180643U (en) | 2020-05-07 | 2020-05-07 | Light source projection angle adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686891A (en) * | 2021-08-19 | 2021-11-23 | 太仓中科信息技术研究院 | Printing film defect detection device |
| CN114324326A (en) * | 2021-12-15 | 2022-04-12 | 长春奥普光电技术股份有限公司 | Rapid imaging screening system and screening method thereof |
| CN114791078A (en) * | 2022-03-03 | 2022-07-26 | 苏州天准科技股份有限公司 | Multi-angle adjustable image acquisition device |
-
2020
- 2020-05-07 CN CN202020725799.1U patent/CN212180643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686891A (en) * | 2021-08-19 | 2021-11-23 | 太仓中科信息技术研究院 | Printing film defect detection device |
| CN114324326A (en) * | 2021-12-15 | 2022-04-12 | 长春奥普光电技术股份有限公司 | Rapid imaging screening system and screening method thereof |
| CN114791078A (en) * | 2022-03-03 | 2022-07-26 | 苏州天准科技股份有限公司 | Multi-angle adjustable image acquisition device |
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