CN216593225U - Line laser thickness measuring equipment - Google Patents
Line laser thickness measuring equipment Download PDFInfo
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- CN216593225U CN216593225U CN202123285972.4U CN202123285972U CN216593225U CN 216593225 U CN216593225 U CN 216593225U CN 202123285972 U CN202123285972 U CN 202123285972U CN 216593225 U CN216593225 U CN 216593225U
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Abstract
The application discloses line laser thickness measuring equipment. According to the utility model discloses a line laser thickness measuring equipment, including two at least line laser emission subassemblies, two at least shooting subassembly and image processing device. At least two line laser emission assemblies are arranged at intervals along the vertical direction and are aligned with each other, so that an upper laser line and a lower laser line are respectively formed on the upper surface and the lower surface of the piece to be detected when the laser is emitted, and the upper laser line and the lower laser line are aligned with each other. The at least one shooting assembly is used for shooting a first image from the laser emission position to the upper surface of the piece to be detected when the line laser emission assembly located above emits line laser, and the at least one shooting assembly is used for shooting a second image from the laser emission position to the lower surface of the piece to be detected when the line laser emission assembly located below emits line laser. The image processing device is used for processing the first image and the second image to determine the thickness of the piece to be detected at a plurality of positions. According to the utility model discloses a line laser thickness measuring equipment detects true degree and accuracy height, and the scope is wide.
Description
Technical Field
The utility model relates to a material size detection device field especially relates to line laser thickness measuring equipment.
Background
At present, a thickness detection device in the field of visual detection is generally composed of two laser sensors which are vertically opposite to each other, the two laser sensors vertically measure the positions of the upper surface and the lower surface of a measured object respectively, and then the thickness of the measured object is obtained through calculation. The thickness measuring device can only detect the thickness of one point at a time, the detection range is narrow, the sheet to be detected is moving, the surface is not smooth, the detected thickness value is only local, the material to be detected cannot be detected in the whole range, and the detected section is the thickness of an oblique section. For example, if the sheet is moving, the point laser thickness measurement sensor of the measuring device only detects the sheet by traversing back and forth perpendicular to the direction of travel of the material, so the path of the detection formed on the material is zigzag and the thickness of each point on the material cannot be checked. Because the equipment moves in the direction perpendicular to the advancing direction of the material to be detected, the detection error caused by vibration generated in the moving process and mechanical installation error can be amplified, so that the error of measurement data is large, and the thickness condition of each position of the material to be detected cannot be more accurately reflected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an advantage lies in providing line laser thickness measuring equipment, and detection range is wide, need not remove after fixed, can accurately react the thickness condition of a plurality of positions departments of the material that awaits measuring.
For reaching the utility model discloses above at least one advantage, the utility model discloses an advantage lies in providing line laser thickness measuring equipment, including two at least image acquisition devices, two at least image acquisition devices set up along upper and lower direction interval and can supply to detect a district of going of waiting to detect a walking, one image acquisition device includes a line laser emission subassembly and a shooting subassembly, at least two line laser emission subassembly is along upper and lower direction alignment setting to be in when transmitting laser it forms laser line and lower laser line and both mutual alignments respectively to detect an upper surface and lower surface, is located the top shooting subassembly is used for being located the top shooting this laser emission department during line laser emission subassembly transmission line laser wait to detect the first image of an upper surface, be located the below shooting subassembly is used for being located the below shooting this laser emission department during line laser emission subassembly transmission line laser wait to detect a lower surface A second image of (a); and the image processing device is connected with the at least two shooting components and used for processing the first image with the upper laser line and the second image with the lower laser line so as to determine the distance between a plurality of upper laser points on the upper laser line and a plurality of lower laser points corresponding to the upper laser points on the lower laser line and determine the thickness of the piece to be detected at a plurality of positions.
According to the utility model discloses an embodiment, image acquisition device is constructed as a 3D shooting camera that has the laser emission lamp, 3D shooting camera includes an at least shell, one line laser emission subassembly and one shoot the subassembly setting one in the shell.
According to the utility model discloses an embodiment, including two at least mounting panels, at least two the mounting panel is along upper and lower direction interval and relative setting, the length direction of mounting panel is followed and is controlled the direction and extend, and the width direction is followed the fore-and-aft direction position and is extended, image acquisition device controls the position and sets up with front and back position is adjustable the mounting panel.
According to the utility model discloses an embodiment, image processing apparatus includes a controller and a data processor, the controller be used for the basis first image with the second image is confirmed respectively go up the last coordinate of laser line with the lower coordinate of laser line down, data processor with the controller links to each other in order to receive go up the coordinate with down the coordinate and according to go up the coordinate with the difference of lower coordinate is confirmed go up on a plurality of laser points of going up on the laser line with down a plurality of distances between the laser point down rather than corresponding on the laser line.
According to the utility model discloses an embodiment, including an at least regulating part, the regulating part includes position adjusting plate about one and position adjusting plate around one, about position adjusting plate control the position install adjustably the mounting panel, around the position adjusting plate position install adjustably about control position adjusting plate, just around the position adjusting plate be provided with image acquisition device.
According to the utility model discloses an embodiment, the adjusting part includes about one position control dead lever, the mounting panel forms along controlling at least an adjustment tank that the direction extends, control the position control board and be formed with about at least one position control fixed orifices, control the position control dead lever and pass control the position control fixed orifices install with inserting extracting the adjustment tank.
According to the utility model discloses an embodiment, the adjusting part includes position control dead lever around one, position control board is formed with a plurality of front and back position control fixed orificess that set up along front and back direction interval about, position control board is formed with front and back position control slot hole around, position control dead lever one end is passed around can with the difference behind the front and back position control slot hole position control fixed orifices links to each other around.
According to the utility model discloses an embodiment, including a support frame, the support frame includes two at least support columns and a tie-beam, and two at least support column intervals set up, the both ends of tie-beam respectively with at least two the top of support column links to each other, image acquisition device height-adjustably with the support column links to each other.
According to the utility model discloses an embodiment, including a height adjusting subassembly, height adjusting subassembly includes two at least height adjustment boards and two at least height adjustment dead levers, height adjustment board with image acquisition device links to each other, just height adjustment board is formed with the height adjustment slot hole, the support column is formed with a plurality of height adjustment fixed orificess along the direction of height interval setting, the height adjustment dead lever can pass the height adjustment slot hole is installed in the height adjustment fixed orifices of difference.
According to the utility model discloses an embodiment, including two at least mounting panels, at least two the mounting panel sets up at least two the interval region of support column, the mounting panel is provided with image acquisition device and with the altitude mixture control board links to each other.
Drawings
Fig. 1 shows a schematic state diagram of the line laser thickness measuring device of the present invention when emitting laser at an angle.
Fig. 2 shows a schematic state diagram of the line laser thickness measuring device of the present invention when emitting laser at another angle.
Fig. 3 shows a schematic diagram of a connection module of the image acquisition device and the image processing device according to the present invention.
Fig. 4 shows a schematic structural diagram of the mounting plate and the adjusting assembly of the present invention.
Fig. 5 shows a schematic structural diagram of the supporting column and the height adjusting plate of the present invention.
Reference numerals:
10: image acquisition apparatus, 11: line laser emitting assembly, 12: a shooting component;
20: image processing apparatus, 21: controller, 22: a data processor;
30: mounting plate, 31: an adjustment groove;
40: adjustment assembly, 41: left-right position adjustment plate, 4101: left-right position adjustment fixing hole, 4102: front-rear position adjustment fixing hole, 42: front-rear position adjusting plate, 4201: a front and rear position adjusting long hole;
50: support, 51: support column, 5101: height adjustment fixing hole, 52: a connecting beam;
60: height adjustment plate, 601: the height adjustment slot hole.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.
Referring to fig. 1 to 5, a line laser thickness measuring apparatus according to a preferred embodiment of the present invention will be described in detail below, wherein referring to fig. 1 to 3, the line laser thickness measuring apparatus includes at least two image capturing devices 10 and an image processing device 20.
Specifically, at least two image capturing devices 10 are spaced apart from each other in the vertical direction to form a passing area through which the object to be detected can pass. The image capturing device 10 includes a line laser emitting assembly 11 and a camera assembly 12. In other words, the at least two image capturing devices 10 include at least two line laser emitting assemblies 11, and at least two line laser emitting assemblies 11 are aligned in the vertical direction, so that an upper laser line and a lower laser line are respectively formed on the upper surface and the lower surface of the to-be-detected object when the laser is emitted, and the upper laser line and the lower laser line are aligned with each other. In other words, at least one of the at least two line laser emitting assemblies 11 is disposed above, at least one of the at least two line laser emitting assemblies 11 is disposed below, the line laser emitting assembly 11 disposed above emits line laser to the upper surface of the object to be detected, the line laser emitting assembly 11 disposed below emits line laser to the lower surface of the object to be detected, and projections of the upper laser line and the lower laser line formed by emitting the line laser emitting assemblies and the lower laser line on a horizontal plane can be overlapped or approximately overlapped.
Similarly, the at least two image capturing devices 10 include at least two capturing assemblies 12, at least one of the at least two capturing assemblies 12 is disposed above, at least one of the at least two capturing assemblies 12 is disposed below, the capturing assembly 12 above is configured to capture a first image of the laser emitting position from the upper surface of the object to be detected when the line laser emitting assembly 11 above emits line laser, and the capturing assembly 12 below is configured to capture a second image of the laser emitting position from the lower surface of the object to be detected when the line laser emitting assembly 11 below emits line laser.
The image processing device 20 is connected to the at least two shooting assemblies 12, and configured to determine, according to the first image with the upper laser line and the second image with the lower laser line, distances between a plurality of upper laser points on the upper laser line and a plurality of lower laser points corresponding to the upper laser points on the lower laser line, so as to determine thicknesses of the to-be-detected object at a plurality of positions. For example, if the upper laser line and the lower laser line have N spots, the distance between the first upper laser spot and the first lower laser spot is d1, the distance between the second upper laser spot and the second lower laser spot is d2, and so on, the distance between the nth upper laser spot and the nth lower laser spot is dN. Therefore, the thicknesses of the to-be-detected piece at a plurality of positions in the left-right direction are d1, d2, dN. Therefore, the line laser thickness measuring equipment can detect the thickness of the piece to be detected at each position in the left and right directions, the detection range is wide, the laser lines are projected and overlapped or approximately overlapped in the up and down directions, the detection result is more real and accurate, and the thickness condition of the piece to be detected can be reflected more comprehensively.
It should be understood that the above mentioned directions or positional relationships indicated by the up, down, left and right directions are based on the directions or positional relationships shown in the drawings, which are only for convenience of description of the present invention and simplified description, and show how the above mentioned components of the present invention are arranged, but do not indicate or imply that the indicated device or component must have a specific orientation, be constructed and operated in a specific orientation, and therefore the above terms cannot be simply understood as limitations on the directions of the above mentioned components of the present invention, and the up, down, left and right directions may be different corresponding to different observation angles when the line laser thickness measuring apparatus is placed at different positions or observed from other different angles.
Preferably, referring to fig. 3, the image processing apparatus 20 includes a controller 21 and a data processor 22. The controller 21 is configured to determine an upper coordinate of the upper laser line and a lower coordinate of the lower laser line according to the first image and the second image. For example, the upper coordinates of the N upper laser points constituting the upper laser line are denoted as a1, a2, a3, aN. The lower coordinates of the N lower laser points constituting the lower laser line are denoted b1, a2, b3, bN. The data processor 22 is connected to the controller 21 to receive the upper coordinate and the lower coordinate and determine, according to a difference between the upper coordinate and the lower coordinate, a distance between a plurality of upper laser points on the upper laser line and a plurality of lower laser points corresponding thereto, that is, d1 ═ a1-b1, d2 ═ a2-b2, d3 ═ a3-b3, a "," dN ", and (aN-bN). For example, the upper coordinates of the upper laser points on the upper laser line are respectively 0.05mm, 0.049mm, 0.051mm, 0.05mm, the lower coordinates of the lower laser points on the lower laser line are respectively-0.05 mm, -0.051mm, -0.05mm, and the thickness of the to-be-detected piece at a plurality of positions along the left-right direction is 0.1mm, 0.102mm, 0.1 mm.
Specifically, the controller 21 may be a 3D development version controller LJ-X8000A, and the data processor 22 may be a coordinate difference calculator.
Preferably, referring to fig. 1, the image capturing device 10 is configured as a 3D camera with a laser emitting lamp. The 3D shooting camera comprises at least one shell. A said line laser emitting assembly 11 and a said shooting assembly 12 are disposed in a said housing. Therefore, the line laser emitting component 11 and the shooting component 12 are integrated in the shell, the occupied space is small, and the position of the image acquisition device 10 is convenient to adjust.
Preferably, referring to fig. 1 and 2, the line laser thickness measuring apparatus includes at least two mounting plates 30. At least two the mounting panel 30 is along upper and lower direction interval and relative setting, the length direction of mounting panel 30 extends along left right direction, and the width direction extends along fore-and-aft direction position, image acquisition device 10 left right side position and fore-and-aft position set up adjustably mounting panel 30. Therefore, the piece to be detected can be ensured to be within the laser emission and shooting range of the image acquisition device 10 by adjusting the position of the image acquisition device 10.
Further, the number of the image acquisition devices 10 is at least four, wherein at least two image acquisition devices 10 are arranged on the mounting plate 30 at intervals along the left-right direction, so that the detection range and the detection efficiency are further expanded.
Further, the realization mode that the left-right position and the front-back position of the image acquisition device 10 are adjustable is as follows: the line laser thickness measuring equipment comprises at least one adjusting component 40. The adjusting assembly 40 includes a left-right position adjusting plate 41 and a front-rear position adjusting plate 42. The left and right position adjusting plate 41 is attached to the attachment plate 30 so as to be adjustable in left and right positions. The front and rear position adjusting plates 42 are installed at the left and right position adjusting plates 41 in a front and rear position adjustable manner, and the front and rear position adjusting plates 42 are provided with the image pickup apparatus 10.
Specifically, referring to fig. 1, 2 and 4, the left-right position adjusting plate 41 is mounted on the mounting plate 30 in a left-right position adjustable manner: the adjustment assembly 40 includes a left and right position adjustment securing lever. The mounting plate 30 is formed with at least one adjusting groove 31 extending in the left-right direction. The left and right position adjusting plate 41 is formed with at least one left and right position adjusting fixing hole 4101. The left and right position adjusting fixing rods are inserted into and removed from the adjusting grooves 31 through the left and right position adjusting fixing holes 4101. The left-right position of the image pickup apparatus 10 can be adjusted by inserting and fixing the left-right position adjusting fixing rod into the adjusting groove 31 and pulling out the left-right position adjusting fixing rod from the adjusting groove 31 to be inserted and fixed at a next position again.
Specifically, the left and right position adjusting fixing rod may be a threaded rod with a nut.
The front and rear position adjusting plates 42 are adjustably mounted on the left and right position adjusting plates 41 in the front and rear positions thereof in a manner that: the adjusting assembly 40 includes a front-rear position adjusting fixing rod. The left and right position adjustment plates 41 are formed with a plurality of front and rear position adjustment fixing holes 4102 provided at intervals in the front and rear direction. The front-rear position adjustment plate 42 is formed with a front-rear position adjustment long hole 4201, and one end of the front-rear position adjustment fixing rod can be connected to different front-rear position adjustment fixing holes 4102 after passing through the front-rear position adjustment long hole 4201, so as to adjust the front-rear position of the image capturing apparatus 10.
Specifically, the front-rear position adjusting fixing rod may be a threaded rod with a nut.
Preferably, referring to fig. 1 and 2, the line laser thickness measuring apparatus includes a support frame 50. The support frame 50 includes at least two support columns 51 and a connection beam 52. At least two support columns 51 are arranged at intervals, and two ends of the connecting beam 52 are respectively connected with the top ends of the at least two support columns 51. The image capturing device 10 is connected to the support column 51 in a height-adjustable manner.
Further, referring to fig. 1, 2 and 5, the line laser thickness measuring apparatus includes at least two height adjusting plates 60 and at least two height adjusting fixing bars. The height adjusting plate 60 is connected to the image capturing device 10, and the height adjusting plate 60 is formed with a height adjusting long hole 601, and the support column 51 is formed with height adjusting fixing holes 5101 arranged at intervals in the height direction. The height adjusting fixing rod can be installed in different height adjusting fixing holes 5101 through the height adjusting long hole 601 to achieve height adjustment of the image capturing device 10.
Further, the line laser thickness measuring apparatus includes at least two mounting plates 30. At least two the mounting panel 30 sets up at least two the interval region of support column 51, the mounting panel 30 is provided with image acquisition device 10 and with height-adjusting plate 60 links to each other, in order to realize image acquisition device 10 with height-adjusting plate 60 links to each other.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The advantages of the present invention are already complete and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (10)
1. Line laser thickness measuring equipment, its characterized in that includes:
the device comprises at least two image acquisition devices, at least two image acquisition devices and a shooting assembly, wherein the at least two image acquisition devices are arranged at intervals along the vertical direction to form a penetrating area through which a piece to be detected can penetrate, the image acquisition devices comprise a line laser emission assembly and a shooting assembly, the at least two line laser emission assemblies are aligned along the vertical direction so as to form an upper laser line and a lower laser line on the upper surface and the lower surface of the piece to be detected respectively and are aligned with each other when the laser is emitted, the shooting assembly positioned above is used for shooting a first image from a laser emission position to the upper surface of the piece to be detected when the line laser emission assembly positioned above emits line laser, and the shooting assembly positioned below is used for shooting a second image from the laser emission position to the lower surface of the piece to be detected when the line laser emission assembly positioned below emits line laser; and (c) a second step of,
and the image processing device is connected with the at least two shooting components and is used for processing the first image with the upper laser line and the second image with the lower laser line so as to determine the distance between a plurality of upper laser points on the upper laser line and a plurality of lower laser points corresponding to the upper laser points on the lower laser line and determine the thickness of the piece to be detected at a plurality of positions.
2. The line laser thickness measuring apparatus according to claim 1, wherein the image capturing device is configured as a 3D camera with a laser emitting lamp, the 3D camera including at least a housing, a line laser emitting assembly and a shooting assembly being disposed within a housing.
3. The line laser thickness measuring apparatus of claim 1, wherein the image processing device comprises a controller and a data processor, the controller is configured to determine upper coordinates of the plurality of upper laser points and lower coordinates of the plurality of lower laser points from the first image and the second image, respectively, and the data processor is coupled to the controller to receive the upper coordinates and the lower coordinates and determine distances between the plurality of upper laser points on the upper laser line and the plurality of lower laser points on the lower laser line corresponding thereto based on differences between the upper coordinates and the lower coordinates.
4. The line laser thickness measuring device according to claim 1, comprising at least two mounting plates, at least two of the mounting plates being spaced apart and opposed to each other in the up-down direction, the length direction of the mounting plates extending in the left-right direction, the width direction extending in the front-rear direction, and the image capturing device being adjustably provided on the mounting plates in the left-right position and in the front-rear position.
5. The line laser thickness measuring apparatus according to claim 4, comprising at least one adjusting member, wherein the adjusting member comprises a left and right position adjusting plate and a front and rear position adjusting plate, the left and right position adjusting plate is adjustably mounted on the mounting plate in a left and right position, the front and rear position adjusting plate is adjustably mounted on the left and right position adjusting plate in a front and rear position, and the front and rear position adjusting plate is provided with the image collecting device.
6. The line laser thickness measuring apparatus according to claim 5, wherein the adjusting assembly includes a left and right position adjusting fixing rod, the mounting plate forms at least one adjusting groove extending in a left and right direction, the left and right position adjusting plate is formed with at least one left and right position adjusting fixing hole, and the left and right position adjusting fixing rod is insertably and removably mounted in the adjusting groove through the left and right position adjusting fixing hole.
7. The line laser thickness measuring apparatus according to claim 5, wherein the adjusting assembly includes a front-rear position adjusting fixing rod, the left-right position adjusting plate is formed with a plurality of front-rear position adjusting fixing holes spaced apart in a front-rear direction, the front-rear position adjusting plate is formed with front-rear position adjusting long holes, and one end of the front-rear position adjusting fixing rod can be connected to different front-rear position adjusting fixing holes after passing through the front-rear position adjusting long holes.
8. The line laser thickness measuring device according to claim 1, comprising a support frame, wherein the support frame comprises at least two support columns and a connecting beam, the at least two support columns are arranged at intervals, two ends of the connecting beam are respectively connected with the top ends of the at least two support columns, and the image acquisition device is connected with the support columns in a height-adjustable manner.
9. The line laser thickness measuring apparatus according to claim 8, comprising a height adjusting assembly including at least two height adjusting plates and at least two height adjusting fixing rods, wherein the height adjusting plates are connected to the image collecting device and formed with height adjusting long holes, the supporting columns are formed with a plurality of height adjusting fixing holes arranged at intervals in a height direction, and the height adjusting fixing rods are installed in different height adjusting fixing holes through the height adjusting long holes.
10. The line laser thickness measuring apparatus according to claim 9, comprising at least two mounting plates, at least two of the mounting plates being disposed in a spaced area of at least two of the support columns, the mounting plates being provided with the image pickup device and being connected to the height adjustment plate.
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| CN202123285972.4U CN216593225U (en) | 2021-12-24 | 2021-12-24 | Line laser thickness measuring equipment |
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| CN202123285972.4U CN216593225U (en) | 2021-12-24 | 2021-12-24 | Line laser thickness measuring equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791830A (en) * | 2022-12-07 | 2023-03-14 | 中国联合网络通信集团有限公司 | Steel plate detection system, steel plate detection method and electronic equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791830A (en) * | 2022-12-07 | 2023-03-14 | 中国联合网络通信集团有限公司 | Steel plate detection system, steel plate detection method and electronic equipment |
| WO2024120333A1 (en) * | 2022-12-07 | 2024-06-13 | 中国联合网络通信集团有限公司 | Steel plate inspection system, steel plate inspection method, electronic device, and storage medium |
| CN115791830B (en) * | 2022-12-07 | 2025-03-18 | 中国联合网络通信集团有限公司 | Steel plate detection system, steel plate detection method and electronic equipment |
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