CN215832668U - Automatic measuring device for diameter of soft cutter - Google Patents
Automatic measuring device for diameter of soft cutter Download PDFInfo
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- CN215832668U CN215832668U CN202220068167.1U CN202220068167U CN215832668U CN 215832668 U CN215832668 U CN 215832668U CN 202220068167 U CN202220068167 U CN 202220068167U CN 215832668 U CN215832668 U CN 215832668U
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Abstract
The utility model relates to the technical field of measurement, in particular to an automatic measuring device for the diameter of a soft cutter, which comprises an image acquisition device, a position adjusting device, a tray and a base, wherein the image acquisition device comprises N monocular cameras (N is more than or equal to 2) for acquiring images of the outer edge of a blade, and the position adjusting device comprises a height adjusting rod and a micro-adjusting panel, is connected with the image acquisition device and is used for adjusting the height position of the image acquisition device relative to a measuring plane and simultaneously realizes the vertical sliding of the image acquisition device along the height direction of the micro-adjusting panel and the left-right sliding of the image acquisition device along the length direction; the base is used for supporting the position adjusting device and the tray, the base comprises the light holes and the light source, and the purpose is to enable the image of the outer edge of the blade acquired by the image acquisition device to be clearer.
Description
Technical Field
The utility model relates to the technical field of measurement, in particular to an automatic measuring device for the diameter of a flexible cutter.
Background
The cutting insert is generally a sheet-like cutting tool for cutting a workpiece, and therefore, the dimensional accuracy of the cutting insert is particularly important, and the dimension of the cutting insert directly determines the machining accuracy of the workpiece. The blade is subjected to size measurement, the diameter, the length, the cutting edge distance, the front angle, the rear angle, the spiral angle, the main deflection angle, the auxiliary deflection angle, the inscribed circle and other various sizes of the blade are required to be accurately measured, in the blade size measurement process, most of the blades are subjected to sampling inspection measurement by adopting a mechanical vernier caliper or an electronic vernier caliper manually, the blades are required to be clamped for multiple times to meet the size measurement of the angles, the multiple clamping can generate measurement errors, the manual measurement operation is low in working efficiency, time and labor are consumed, and the measurement function and the measurement accuracy are very limited.
At present, the soft measurement technology is adopted to measure the size of the blade more and more widely, the size information of the blade is measured and calculated by combining an industrial camera and corresponding software, but the measurement error is generated because the industrial camera is not completely and vertically arranged relative to a measurement plane, and finally the calculation result is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: aiming at the problems of low manual detection efficiency, manual installation of industrial cameras and errors caused by verticality adjustment in the prior art, the automatic measuring device for the diameter of the soft cutter is provided, the same high-precision calibration plate is adopted to calibrate the two industrial cameras, the coordinate systems of the two industrial cameras are unified on a measuring plane, the automatic measurement of the diameter of the blade is realized, and the detection precision and the detection efficiency are improved.
In order to achieve the aim, the automatic measuring device for the diameter of the soft cutter comprises an image acquisition device, a position adjusting device, a tray and a base, wherein the image acquisition device is used for acquiring images of the outer edge of the blade; the side surface of the position adjusting device is connected with the image acquisition device and is used for adjusting the position of the image acquisition device; the tray is used for fixing the blades; the base is used for supporting the position adjusting device and the tray.
As a preferred scheme, the other side surface of the position adjusting device is connected with a height adjusting rod in a buckling mode, the height adjusting rod is perpendicular to a base and is used for adjusting the height position of the image acquisition device relative to a measuring plane.
As a preferred scheme, one side of the position adjusting device is connected with the image acquisition device through a fine adjustment panel, the fine adjustment panel is used for enabling the image acquisition device to slide up and down along the height direction of the fine adjustment panel, and the image acquisition device slides left and right along the length direction of the fine adjustment panel.
As a preferred scheme, the automatic diameter measuring device for the soft cutter is characterized in that the side edge of the tray is provided with an inward concave arc-shaped edge used for light transmission.
As a preferred scheme, the automatic diameter measuring device for the soft cutter comprises a base, wherein the base comprises N light transmission holes, the side edge of each light transmission hole is provided with an outer convex arc edge for light transmission, and N is larger than or equal to 2.
As a preferred scheme, the automatic diameter measuring device for the flexible knife is characterized in that the outer convex arc edge of the light transmission hole is aligned and connected with the inner concave arc edge of the tray.
As a preferred scheme, the automatic diameter measuring device for the soft cutter comprises an image acquisition device and a light transmission hole, wherein the image acquisition device comprises N monocular cameras, N light transmission holes are respectively positioned below the N monocular cameras, and N is greater than or equal to 2.
As a preferred scheme, the diameter automatic measuring device of a soft cutter, the image acquisition device adopts the telecentric lens.
In summary, due to the adoption of the technical scheme, the utility model at least has the following beneficial effects:
the utility model provides an automatic measuring device for the diameter of a soft cutter, which can measure the diameter of the outer edge of the blade without adjusting the verticality of an industrial camera by arranging two monocular cameras to acquire images of the outer edge of the blade, thereby improving the accuracy and efficiency of detection; moreover, the two monocular cameras adopt telecentric lenses, so that the problem of projection errors caused by the condition that the thickness of the blade is greatly changed is solved, and the detection accuracy is further improved; according to the utility model, the blade can be automatically measured only by placing the blade on the tray, and the problem of low efficiency of manual measurement is solved.
Drawings
FIG. 1 is a block diagram of the present invention.
Icon: 1-an image acquisition device; 2-a position adjustment device; 3-a tray; 4-a base; 5-light hole; 6-a light source; 7-height adjusting rod; 8-micro-adjustment panel.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and embodiments to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
As shown in fig. 1, an automatic measuring device for the diameter of a flexible knife comprises an image acquisition device 1, a position adjusting device 2, a tray 3 and a base 4.
The image acquisition device 1 comprises N monocular cameras, wherein N is more than or equal to 2, as the monocular cameras adopt common lenses to measure the blades, the lens distortion is large and the resolution of the lenses is not high, and the telecentric lenses are used for acquiring the images of the outer edges of the blades, so that the problems of the common lenses can be effectively solved, the projection error can not be caused under the condition that the thickness of the blades is greatly changed, and the judgment error rate is reduced. In this embodiment 1, 2 monocular cameras, that is, N =2, are used, the telecentric lens is used to collect the blade outer edge image, and when the monocular camera is not completely perpendicular to the measurement plane, the accurate measurement of the blade outer edge diameter can be realized.
The position adjusting device 2 is connected with the image acquisition device 1, and the position adjusting device 2 comprises a height adjusting rod 7 and a micro-adjusting panel 8. The height adjusting rod 7 is used for adjusting the height position of the image acquisition device 1 relative to the measuring plane, and the range of up-down height adjustment is large; micro-adjustment panel 8 can realize that image acquisition device 1 slides from top to bottom along micro-adjustment panel 8 direction of height, can realize image acquisition device 1 simultaneously and slide from side to side along micro-adjustment panel 8 length direction, and in this embodiment 1, micro-adjustment panel 8 adopts X-Y axle fine setting platform, can realize that image acquisition device 1 carries out the position control in X axle, the Y axle direction on X-Y axle fine setting platform, and wherein, the adjusting range of X-Y axle fine setting platform in X axle, the Y axle direction is 10 mm. It can be understood that after the height adjusting rod 7 adjusts the height position of the image acquisition device 1 in a large range, the image acquisition device 1 is precisely adjusted in a small range according to the diameter size range of the outer edge of the blade, so that the image acquisition device 1 can accurately acquire the image of the outer edge of the blade, wherein the diameter range of the outer edge of the blade is 51-58 mm.
Tray 3 is used for fixed blade, 3 centers of tray are provided with cylindrical protruding portion, and the blade is the ring form, and the inner ring card of blade advances the cylindrical protruding portion of tray 3 to this realizes that tray 3 lives the blade position fixation, prevents that the blade from shifting in the measurement process and leading to measuring error.
The base 4 is used to support the position adjusting device 2 and the tray 3, and at the same time, the base 4 includes two light transmission holes 5 and two light sources 6. Wherein, the two opposite sides of the tray 3 form concave arc edges for light transmission, the two sides of the light transmission hole 5 form convex arc edges for light transmission, and the convex arc edges of the light transmission hole 5 are aligned and connected with the concave arc edges of the tray 3; two light traps 5 are located the below of two monocular cameras respectively, and two light sources 6 are located the below of two light traps 5 respectively, when image acquisition device 1 gathered blade outside along image, utilize the light source 6 to pass through the outside edge of light trap 5 illumination blade for the blade outside along image gathered is more clear.
In summary, the utility model uses the same high-precision calibration plate to calibrate two monocular cameras, shoots the blade outer edge image, unifies the coordinate system of the calibration plate and the coordinate system of the blade outer edge image on the measurement plane, and then calculates the blade outer edge diameter, thereby avoiding the measurement error caused by manual installation non-perpendicularity when using one monocular camera, and ensuring the accuracy of the detection result of the device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The automatic measuring device for the diameter of the soft cutter is characterized by comprising an image acquisition device (1), a position adjusting device (2), a tray (3) and a base (4), wherein the image acquisition device (1) is used for acquiring an image of the outer edge of the blade; one side surface of the position adjusting device (2) is connected with the image acquisition device (1) and is used for adjusting the position of the image acquisition device (1); the tray (3) is used for fixing the blades; the base (4) is used for supporting the position adjusting device (2) and the tray (3).
2. The automatic diameter measuring device of the soft knife according to claim 1, characterized in that the other side of the position adjusting device (2) is connected with a height adjusting rod (7) in a snap-in manner, and the height adjusting rod (7) is connected perpendicular to the base (4).
3. The automatic diameter measuring device of the soft knife according to claim 1, characterized in that one side of the position adjusting device (2) is connected with the image acquisition device (1) through a micro-adjusting panel (8).
4. The automatic diameter measuring device of the soft knife according to claim 1, characterized in that the side of the tray (3) is provided with an inner concave arc edge for light transmission.
5. The automatic diameter measuring device for the soft cutter as claimed in claim 1, wherein the base (4) comprises N light transmission holes (5), the side edges of the light transmission holes (5) are arranged into outer convex arc-shaped edges for transmitting light, and N is greater than or equal to 2.
6. The automatic diameter measuring device of the soft knife according to any one of claims 4 to 5, characterized in that the outer convex arc edge of the light transmission hole (5) is aligned and jointed with the inner concave arc edge of the tray (3).
7. The automatic diameter measuring device of the soft knife according to any one of claims 1 to 5, characterized in that the image acquisition device (1) comprises N monocular cameras, and the N light-transmitting holes (5) are respectively positioned below the N monocular cameras, wherein N is greater than or equal to 2.
8. The automatic diameter measuring device of the soft knife according to any one of claims 1 to 5, characterized in that the base (4) comprises N light sources (6), the N light sources (6) are respectively positioned below the N light-transmitting holes (5), wherein N is greater than or equal to 2.
9. The automatic soft-knife diameter measuring device according to claim 1, characterized in that the image acquisition device (1) adopts a telecentric lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220068167.1U CN215832668U (en) | 2022-01-12 | 2022-01-12 | Automatic measuring device for diameter of soft cutter |
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Application Number | Priority Date | Filing Date | Title |
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CN202220068167.1U CN215832668U (en) | 2022-01-12 | 2022-01-12 | Automatic measuring device for diameter of soft cutter |
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CN215832668U true CN215832668U (en) | 2022-02-15 |
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CN202220068167.1U Active CN215832668U (en) | 2022-01-12 | 2022-01-12 | Automatic measuring device for diameter of soft cutter |
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2022
- 2022-01-12 CN CN202220068167.1U patent/CN215832668U/en active Active
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