CN216745933U - Special-shaped part measuring device and measurer - Google Patents
Special-shaped part measuring device and measurer Download PDFInfo
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- CN216745933U CN216745933U CN202123252897.1U CN202123252897U CN216745933U CN 216745933 U CN216745933 U CN 216745933U CN 202123252897 U CN202123252897 U CN 202123252897U CN 216745933 U CN216745933 U CN 216745933U
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Abstract
The utility model discloses a special-shaped part measuring device and caliber. The controller is used for controlling the light-emitting circuit to irradiate one side of the part to be measured to remove the shadow of the part to be measured, then the image of the other side is collected through the image collecting circuit, the contrast of the edge of the part to be measured is improved, the collected edge of the image of the part to be measured is clearer, the collected image is calculated by using the upper computer at last, the size of the part to be measured is obtained, the problems that the manual measurement efficiency is low in the prior art, the industrial production cannot be adapted to, the measurement precision is low, the measurement depends on the problem that the manual reading error is large, and the technical effect of measuring the size of the special-shaped part in a large-scale high-precision mode is achieved.
Description
Technical Field
The embodiment of the utility model provides a relate to the part and measure technical field, especially relate to a special-shaped part measuring device and caliber.
Background
In the industrial production process, the size of a part is often required to be measured, and in the actual production process, when the scene of the size of the part is required to be measured, the part is measured in modes such as a vernier caliper, a micrometer, a go gauge and a no-go gauge.
However, the measurement efficiency is low when measuring tools such as a vernier caliper and a micrometer are used, and the measuring tools are easily affected by errors of the measuring tools and reading errors of measuring personnel, only one numerical range can be obtained by using a gauge and a no-go gauge, specific numerical values cannot be obtained, and the measurement error is large.
The measurement modes are manual measurement, the measurement efficiency is low, the requirement of industrial production cannot be met, the production efficiency during industrial large-scale production is seriously influenced, the personnel selection cost is increased, the measurement accuracy is easily influenced by manpower, and the measurement precision is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a special-shaped part measuring device and caliber to realize the technological effect of the high accuracy measurement special-shaped part size of scale.
In a first aspect, an embodiment of the present invention provides a special-shaped part measuring device, which includes a light emitting circuit, a controller, an upper computer and an image collecting circuit; the light-emitting circuit is connected with the controller, the controller is connected with the upper computer, and the upper computer is connected with the image acquisition circuit; wherein,
the light-emitting circuit is used for irradiating one side of the part to be detected;
the image acquisition circuit is used for acquiring an image on the other side of the part to be detected in a direction parallel to the light rays emitted by the light emitting circuit;
the controller is used for responding to the information of the upper computer and driving the light-emitting circuit to emit light;
the upper computer is used for collecting the image of the part to be detected through the image collecting circuit after the controller drives the light-emitting circuit to emit light, and calculating the size of the part according to the collecting result.
Preferably, the image acquisition circuit comprises a first machine position and a second machine position, and the light-emitting circuit comprises a first light source and a second light source; the first machine position and the collection direction of the second machine position are preset included angles, light rays emitted by the first light source are parallel to the collection direction of the first machine position, and light rays emitted by the second light source are parallel to the collection direction of the second machine position.
Preferably, the first light source and the second light source are surface light sources, the image acquisition circuit includes a camera, the camera is a high-resolution camera, and the lens used is a telecentric lens.
Preferably, still include the tray, the tray is even printing opacity material, the tray is separated by preset distance and is provided with the V-arrangement and bends, the V-arrangement is bent and is used for placing the part that awaits measuring, bends the angle and is predetermineeing the contained angle.
Preferably, the device also comprises an image acquisition guide rail and a tray guide rail; the image acquisition guide rail is connected with the controller, and the tray guide rail is connected with the controller; wherein,
the image acquisition guide rail is used for installing the image acquisition circuit and adjusting the focus of the image acquisition circuit to the other side of the part to be detected;
the tray guide rail is used for moving the measured part to be measured out of a measurement area and moving the part to be measured which is not measured into the measurement area, and the measurement area is an overlapping area of the image acquisition ranges of the first machine position and the second machine position.
Preferably, the tray guide rail includes a first rail and a second rail, the first rail and the second rail are disposed in parallel, and further includes a third rail and a fourth rail, the third rail and the fourth rail are disposed in parallel, and the third rail and the fourth rail are disposed perpendicular to the first rail and the second rail, and further includes a first connector, a second connector, a third connector, and a fourth connector, the first connector is fixedly mounted on the third rail, the first connector is slidably coupled to the first rail, the second connector is fixedly mounted to the third rail, the second connector is slidably coupled to the second rail, the third connector is fixedly mounted to the fourth rail, the third connector is slidably coupled to the first rail, and the fourth connector is fixedly mounted to the fourth rail, the fourth connector is slidingly engaged with the second rail.
Preferably, still include the mounting bracket, the mounting bracket with third slip track reaches fourth slip track combines with sliding, install on the mounting bracket the image acquisition circuit, the image acquisition circuit is in on the mounting bracket to the rotatory predetermined contained angle of part that awaits measuring.
Preferably, the first machine location is equipped with a first high-resolution camera, and the second machine location is equipped with a second high-resolution camera.
Preferably, the first machine position is provided with a first high-resolution camera, and the image acquisition guide rail moves the first high-resolution camera to the second machine position and rotates a preset included angle towards the part to be measured.
The utility model discloses still provide a special-shaped part caliber, special-shaped part caliber includes as above special-shaped part measuring device.
The utility model discloses a controller control light-emitting circuit shines the shadow that part one side that awaits measuring got rid of the part that awaits measuring, then gather the image of opposite side through the image acquisition circuit, improve the contrast at part edge that awaits measuring, make the part image edge that awaits measuring of gathering clearer, use the host computer to calculate the image of gathering at last, acquire the size of the part that awaits measuring, it is low to have solved among the prior art manual measurement efficiency, can't adapt to industrial production, and measurement accuracy is low, the measurement relies on the great problem of artifical reading error, the technological effect of scale high accuracy measurement special-shaped part size has been reached.
Drawings
FIG. 1 is a functional block diagram of an embodiment of the special-shaped part measuring device of the present invention;
FIG. 2 is a schematic view showing the position relationship of another embodiment of the special-shaped part measuring device of the present invention;
fig. 3 is a functional block diagram of another embodiment of the special-shaped part measuring device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
Fig. 1 is a functional block diagram of a special-shaped part measuring device according to a first embodiment of the present invention, which includes a light emitting circuit, a controller, an upper computer and an image collecting circuit; the light-emitting circuit is connected with the controller, the controller is connected with the upper computer, and the upper computer is connected with the image acquisition circuit; wherein,
the light-emitting circuit is used for irradiating one side of the part to be detected;
the image acquisition circuit is used for acquiring an image on the other side of the part to be detected in a direction parallel to the light rays emitted by the light emitting circuit;
the controller is used for responding to the information of the upper computer and driving the light-emitting circuit to emit light;
the upper computer is used for collecting the image of the part to be detected through the image collecting circuit after the controller drives the light-emitting circuit to emit light, and calculating the size of the part according to the collecting result.
It should be noted that there are many existing solutions for calculating the size of a part according to a part image, for example, for a regular part, the length and the width of the part are obtained according to a picture of the part, and then the height is obtained according to pictures at other angles, but most of the special-shaped parts use a top view of the part in combination with a view in the other lateral direction, such as a front view or a left view, and an overlapping portion of cylindrical bodies of the two views is used as the size and the shape of the part, and the size of the part is obtained only from one angle in this embodiment, so the length and the width of the part can be obtained only, which is simpler than the above solutions, and the length and the width of the part can be obtained directly according to a picture.
It is easy to understand that the photo of the part to be measured can be collected by the image collecting circuit under the condition of no light source, then, the size of the part is obtained according to the picture, however, the image edge obtained by the technical scheme is not clear, because the shadow in a single direction exists under the irradiation of the natural light of the part, the edge of the part is connected with the shadow, the collected picture is caused by using the natural light, and the edge of the part is not clear, the image on the other side of the part to be measured is collected in the direction parallel to the light emitted by the light-emitting circuit, the part to be measured is irradiated by using the light source which is opposite to the image, the image acquisition equipment acquires images in a backlight mode, removes part shadows under natural light, and the contrast between the part to be measured in the picture and the surrounding environment is improved, the accuracy of the edge of the part is further improved, and the finally obtained part is more accurate in size.
It is worth emphasizing that the upper computer sends the switch signal to be widely applied in the prior art, the upper computer sends the signal to the controller, the controller drives the light-emitting circuit to emit light, and the process that the signal sent to the controller drives the light-emitting circuit to emit light according to the conditions of sound, brightness, shielding or touch and the like detected by the sensor in the prior art is consistent, and the upper computer does not perform data processing and condition judgment in the process.
The technical scheme of this embodiment, through using lighting circuit, a controller, host computer and image acquisition circuit, the image of part is gathered to the mode of backlight, part shadow under the natural light has been got rid of, and the contrast of the part that awaits measuring in the photo and surrounding environment has been improved, the accuracy at part edge has further been improved, it is low to have solved among the prior art manual measurement efficiency, unable adaptation industrial production, and measurement accuracy is low, the great problem of measurement dependence manual reading error, the technological effect of the high accuracy measurement special-shaped part size of scale has been reached.
Referring to fig. 2, the image acquisition circuit comprises a first machine position and a second machine position, and the light-emitting circuit comprises a first light source and a second light source; the first machine position and the collection direction of the second machine position are preset included angles, light rays emitted by the first light source are parallel to the collection direction of the first machine position, and light rays emitted by the second light source are parallel to the collection direction of the second machine position.
It should be noted that, only the photograph of the part is collected from one angle, only the length and width data of the part can be obtained, and the height of the part cannot be obtained, so that the three-dimensional size of the part is obtained by providing two machine positions and two light sources in the embodiment, and more use scenes and use requirements are met.
Specifically, the first light source and the second light source are surface light sources, the image acquisition circuit includes a camera, the camera is a high-resolution camera, and the lens used is a telecentric lens.
It is easily understood that this application carries out image acquisition through the high resolution camera, has improved the resolution ratio of the image of gathering, has promoted measurement accuracy to through telecentric lens, reduced the distortion of the image of gathering, further promoted the degree of accuracy of the part size of calculating.
This embodiment provides light through setting up first machine position and second machine position, when using two light sources to gather the part image for two machine positions respectively, has improved this application technical scheme's measurement dimension for this application technical scheme can measure the three-dimensional size of part, and use high resolution's camera and telecentric lens, has promoted the accuracy degree and the image resolution of the picture of gathering, has further promoted the accuracy degree of the part size of calculating, has promoted user experience.
Referring to fig. 3, the special-shaped part measuring device further comprises a tray, the tray is made of uniform light-transmitting materials, a V-shaped bend is arranged at a preset distance of the tray and used for placing a part to be measured, and the bend angle is a preset included angle.
It is worth emphasizing that the preset included angle of the device is 90 degrees, the device is bent by 90 degrees through the tray, the part to be tested is placed, the stability of the part to be tested is improved, the part to be tested is prevented from being turned or moved, calculation errors caused by turning or moving of the part are reduced, the tray can be penetrated by light rays due to the fact that the light rays are made of even light-transmitting materials, and therefore the effects of removing shadow of the part and enhancing the edge contrast of the part are achieved.
The system comprises an image acquisition guide rail and a tray guide rail; the image acquisition guide rail is connected with the controller, and the tray guide rail is connected with the controller; wherein,
the image acquisition guide rail is used for installing the image acquisition circuit and adjusting the focus of the image acquisition circuit to the other side of the part to be detected;
the tray guide rail is used for moving the measured part to be measured out of a measurement area and moving the part to be measured which is not measured into the measurement area, and the measurement area is an overlapping area of the image acquisition ranges of the first machine position and the second machine position.
It should be emphasized that, in this embodiment, a plurality of V-shaped bends are arranged on the tray to place a plurality of to-be-measured parts, and the measured to-be-measured parts are moved out of the measurement area through the tray guide rail, and the unmeasured to-be-measured parts are moved into the measurement area, so that the industrial large-scale measurement is realized, and the measurement efficiency is improved.
Specifically, the tray rail includes a first rail and a second rail, the first rail and the second rail are disposed in parallel, the tray rail further includes a third rail and a fourth rail, the third rail and the fourth rail are disposed in parallel, the third rail and the fourth rail are disposed perpendicular to the first rail and the second rail, the tray rail further includes a first connector, a second connector, a third connector and a fourth connector, the first connector is fixedly mounted on the third rail, the first connector is slidably coupled to the first rail, the second connector is fixedly mounted to the third rail, the second connector is slidably coupled to the second rail, the third connector is fixedly mounted to the fourth rail, the third connector is slidably coupled to the first rail, the fourth connector is fixedly mounted to the fourth rail, the fourth connector is slidingly engaged with the second rail.
It is easily understood that, this application realizes horizontal removal through first track and second track, realizes fore-and-aft removal through third track and fourth track to first track, second track, third track and fourth track are fixed through four connectors, have realized the removal of plane optional position, make the camera of fixed focus can focus the part surface of not equidimension with the focus, have improved the definition of the image of gathering.
Specifically, still include the mounting bracket, the mounting bracket with the third slip track reaches the fourth slip track combines with sliding, install on the mounting bracket image acquisition circuit, image acquisition circuit is in on the mounting bracket to the part rotation that awaits measuring predetermines the contained angle.
It is easily understood that, this embodiment passes through the fixed camera of installing support and track to rotatable setting camera fixed mode on the installing support, make the camera can rotate on the installing support, the collection direction of adjustment camera lens, the image acquisition guide rail that the collocation can realize the removal of plane optional position, make the camera can gather the image of arbitrary angle, this application sets up the rotation angle of camera into to predetermine the contained angle and 90 promptly, make the image of two angles of part that awaits measuring can be gathered to a camera, application range has been improved.
Specifically, a first high-resolution camera is installed in the first machine position, and a second high-resolution camera is installed in the second machine position.
It should be noted that the two machine positions can acquire the pictures of the part to be detected in two directions by installing two cameras, and the scheme can greatly increase the speed of image acquisition, increase the processing efficiency and acquire the required pictures in a short time.
Specifically, a first high-resolution camera is installed at the first machine position, and the image acquisition guide rail moves the first high-resolution camera to the second machine position and rotates a preset included angle towards the part to be measured.
The scheme has the advantages that the cost for purchasing the cameras is reduced, the application range is widened, the number of the cameras needing to be connected with the upper computer is reduced, and the data processing complexity of the upper computer is reduced in a mode that one camera moves between two positions.
This embodiment sets up the image acquisition circuit through disclosing use high accuracy camera collocation telecentric mirror head, the precision of gathering the image has been improved, and shape through disclosing the tray, the tray guide rail, the concrete structure of image acquisition guide rail, technical scheme is perfected, the speed of industrial assembly line measurement has been promoted, and through disclosing the position relation between each part, technical scheme has further been perfected, image acquisition's speed has been improved, measurement of efficiency has been promoted, make under the artifical condition that does not participate in, measure large batch part fast, the technical effect of scale high accuracy measurement special-shaped part size has further been realized.
This application still provides a special-shaped part caliber, the special-shaped part caliber includes as above the special-shaped part measuring device, possesses above-mentioned special-shaped part measuring device's whole technical characteristics and beneficial effect, no longer gives unnecessary details here one by one.
It should be noted that, in the embodiment of the apparatus, the included units and modules are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, the specific names of the functional units are also only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present invention.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A special-shaped part measuring device is characterized by comprising a light-emitting circuit, a controller, an upper computer and an image acquisition circuit; the light-emitting circuit is connected with the controller, the controller is connected with the upper computer, and the upper computer is connected with the image acquisition circuit; wherein,
the light-emitting circuit is used for irradiating one side of the part to be detected;
the image acquisition circuit is used for acquiring an image on the other side of the part to be detected in a direction parallel to the light rays emitted by the light emitting circuit;
the controller is used for responding to the information of the upper computer and driving the light-emitting circuit to emit light;
the upper computer is used for collecting the image of the part to be detected through the image collecting circuit after the controller drives the light-emitting circuit to emit light, and calculating the size of the part according to the collecting result.
2. The special-shaped part measuring device according to claim 1, wherein the image acquisition circuit comprises a first machine position and a second machine position, and the light emitting circuit comprises a first light source and a second light source; the first machine position and the collection direction of the second machine position are preset included angles, light rays emitted by the first light source are parallel to the collection direction of the first machine position, and light rays emitted by the second light source are parallel to the collection direction of the second machine position.
3. The special-shaped part measuring device according to claim 2, wherein the first light source and the second light source are surface light sources, the image acquisition circuit comprises a camera, the camera is a high-resolution camera, and a lens used is a telecentric lens.
4. The special-shaped part measuring device according to claim 3, further comprising a tray, wherein the tray is made of a uniform transparent material, V-shaped bends are arranged on the tray at preset intervals and used for placing a part to be measured, and the bending angles are preset included angles.
5. The profiled part measuring apparatus of claim 4, further comprising an image acquisition rail and a pallet rail; the image acquisition guide rail is connected with the controller, and the tray guide rail is connected with the controller; wherein,
the image acquisition guide rail is used for installing the image acquisition circuit and adjusting the focus of the image acquisition circuit to the other side of the part to be detected;
the tray guide rail is used for moving the measured part to be measured out of a measurement area and moving the part to be measured which is not measured into the measurement area, and the measurement area is an overlapping area of the image acquisition ranges of the first machine position and the second machine position.
6. The profile part measuring device according to claim 5, wherein the tray rail comprises a first rail and a second rail, the first rail being disposed parallel to the second rail, and further comprising a third rail and a fourth rail, the third rail being disposed parallel to the fourth rail, and the third rail and the fourth rail being disposed perpendicular to the first rail and the second rail, and further comprising a first connector, a second connector, a third connector and a fourth connector, the first connector being fixedly mounted to the third rail, the first connector being slidably coupled to the first rail, the second connector being fixedly mounted to the third rail, the second connector being slidably coupled to the second rail, the third connector being fixedly mounted to the fourth rail, the third connector being slidably coupled to the first rail, the fourth connector is fixedly mounted to the fourth rail, and the fourth connector is slidably engaged with the second rail.
7. The profile part measuring device according to claim 6, further comprising a mounting bracket, wherein the mounting bracket is slidably coupled to the third rail and the fourth rail, the mounting bracket is provided with the image acquisition circuit, and the image acquisition circuit is rotated on the mounting bracket to a preset included angle towards the part to be measured.
8. The form part measuring device of claim 7, wherein the first machine location mounts a first high resolution camera and the second machine location mounts a second high resolution camera.
9. The special-shaped part measuring device according to claim 7, wherein the first machine position is provided with a first high-resolution camera, and the image acquisition guide rail moves the first high-resolution camera to a second machine position and rotates towards the part to be measured by a preset included angle.
10. A shaped part measuring instrument comprising the shaped part measuring device as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252897.1U CN216745933U (en) | 2021-12-22 | 2021-12-22 | Special-shaped part measuring device and measurer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252897.1U CN216745933U (en) | 2021-12-22 | 2021-12-22 | Special-shaped part measuring device and measurer |
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| Publication Number | Publication Date |
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| CN216745933U true CN216745933U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123252897.1U Active CN216745933U (en) | 2021-12-22 | 2021-12-22 | Special-shaped part measuring device and measurer |
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- 2021-12-22 CN CN202123252897.1U patent/CN216745933U/en active Active
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