CN218937311U - Shaft workpiece image measuring device - Google Patents
Shaft workpiece image measuring device Download PDFInfo
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- CN218937311U CN218937311U CN202320028017.2U CN202320028017U CN218937311U CN 218937311 U CN218937311 U CN 218937311U CN 202320028017 U CN202320028017 U CN 202320028017U CN 218937311 U CN218937311 U CN 218937311U
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Abstract
The utility model discloses an image measuring device for shaft workpieces, which comprises a workbench, a camera and a positioning mechanism; the camera shooting piece is arranged above the workbench; the positioning mechanism comprises a guide rail and two supporting components, wherein the two supporting components comprise a sliding block, two supporting rollers and a rotation driving piece, the sliding block is arranged on the guide rail in a sliding mode, and the two supporting rollers are arranged on the corresponding sliding block in a rotating mode. The technical scheme provided by the utility model has the beneficial effects that: the rotary driving piece drives each supporting roller to synchronously rotate, so that the workpiece is driven to rotate, after a certain angle is rotated, the workpiece is shot through the shooting piece, the size of the workpiece is determined according to the shot image, then the workpiece is continuously rotated, and the rotary driving piece is circularly reciprocated in this way, a plurality of size results of the workpiece can be obtained, the average value of the size of the workpiece is taken as a final measurement result, and the measurement result is more accurate.
Description
Technical Field
The utility model relates to the technical field of image measurement, in particular to an image measurement device for shaft workpieces.
Background
The image measuring instrument is a high-precision and high-tech measuring instrument widely applied to industries such as machinery, electronics, instruments, hardware, plastics and the like which aim at two-coordinate measurement. The image measuring instrument can be used for microscopic detection and quality control of precise parts, and can be used for effectively measuring the contour, the surface shape, the size, the angle and the position of various complex workpieces. The image measuring instrument comprises an engine body, wherein the engine body is provided with a measuring platform, the middle part of the measuring platform is a measuring area, a camera is arranged above the measuring area, and the position of the measuring platform is adjustable. During measurement, an object to be measured is placed in a measurement area of the measurement platform, and whether the size of the workpiece is qualified is judged by observing the projection of the workpiece in the camera.
The Chinese patent application No. CN202022396978.8 discloses an image measuring instrument positioning device which can carry out image measurement on longer shaft workpieces. However, in this technical solution, the shaft workpiece cannot be rotated, and when a part of the shaft workpiece is processed, the cross section may not be a regular circle due to processing errors, so that when the diameter of the shaft workpiece is measured by the device, only the diameter corresponding to one longitudinal section can be measured, the measuring errors are large, and meanwhile, many times, whether the roundness of the cross section of the shaft workpiece meets the requirement or not needs to be detected, and the device cannot judge whether the roundness of the cross section of the shaft workpiece meets the requirement or not because the shaft workpiece cannot be rotated.
Disclosure of Invention
In view of the foregoing, it is necessary to provide an axial workpiece image measuring device for solving the technical problems that the error is large and the roundness of the cross section of the axial workpiece cannot be judged to meet the requirement when the diameter of the axial workpiece is measured by the conventional workpiece image measuring device.
In order to achieve the above purpose, the utility model provides an image measuring device for shaft workpieces, which comprises a workbench, a camera and a positioning mechanism;
the camera shooting piece is arranged above the workbench;
the positioning mechanism comprises a guide rail and two supporting components, wherein the two supporting components comprise a sliding block, two supporting rollers and a rotation driving piece, the sliding block is slidably arranged on the guide rail, the two supporting rollers are rotatably arranged on the corresponding sliding block, the two supporting rollers are arranged in parallel, a shaft workpiece is placed between the two supporting rollers, the side wall of the shaft workpiece is used for being tangent to the side wall of the two supporting rollers, and the rotation driving piece is connected with the two supporting rollers and is used for driving the two supporting rollers to synchronously rotate.
In some embodiments, the shaft workpiece image measuring device further comprises a stand column, the stand column is fixed on the workbench, and the image pick-up member is fixed on the stand column and used for picking up images downwards.
In some embodiments, the support assembly further includes two first mounting seats, the two first mounting seats are both fixed on the slider, and the two support rollers are respectively rotatably disposed on the two first mounting seats.
In some embodiments, the support assembly further includes two rotating shafts, the two rotating shafts are respectively rotatably disposed on the two first mounting seats, and the two rotating shafts are respectively coaxially fixed at the centers of the two support rollers.
In some embodiments, the rotation driving member includes a rotation driving motor connected to the two rotation shafts and configured to drive the two rotation shafts to rotate synchronously.
In some embodiments, the rotation driving member further includes a driving gear and two driven gears, the driving gear is coaxially fixed on the output shaft of the rotation driving motor, the two driven gears are coaxially fixed on the two rotating shafts respectively, and the two driven gears are meshed with the driving gear.
In some embodiments, the support assembly further comprises a second mounting seat and a driving shaft, the second mounting seat is fixed on the sliding block, the driving shaft is rotatably arranged on the second mounting seat, one end of the driving shaft is fixedly connected with the driving gear coaxially, and the other end of the driving shaft is fixedly connected with an output shaft of the rotation driving motor.
In some embodiments, the support assembly further comprises a fixed block, one end of the fixed block is fixedly connected with the sliding block, and the other end of the fixed block is fixedly connected with the housing of the rotation driving motor.
In some embodiments, the shaft workpiece image measuring device further comprises a supporting plate detachably connected to the workbench, and the guide rail is fixed on the supporting plate.
In some embodiments, the two sliders are provided with a plurality of first screw holes, the positioning mechanism further comprises a connecting plate and two connecting screws corresponding to the two sliders respectively, the connecting plate is provided with a plurality of second screw holes matched with the first screw holes, and the two connecting screws are used for being in threaded connection with one corresponding first screw hole and one corresponding second screw hole.
Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: when the device is used, two ends of a workpiece are respectively placed between two supporting rollers of two supporting assemblies, then, the workpiece is shot through a shooting piece, the size of the workpiece is determined according to the shot image, each supporting roller is driven to synchronously rotate through a rotation driving piece, so that the workpiece is driven to rotate, after a certain angle is rotated, the workpiece is shot through the shooting piece, the size of the workpiece is determined according to the shot image, then the workpiece is continuously rotated, and the device is circularly reciprocated, so that a plurality of size results of the workpiece can be obtained, the average value of the sizes of the workpiece is taken as a final measurement result, the measurement result is more accurate, and meanwhile, whether the roundness of the workpiece meets the requirement or not can be judged according to the difference value between the maximum value and the minimum value of the sizes of the workpiece.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an image measuring device for shaft workpieces according to the present utility model;
FIG. 2 is a schematic perspective view of FIG. 1 with the shaft-like workpiece omitted;
FIG. 3 is a schematic perspective view of the positioning mechanism of FIG. 2;
FIG. 4 is a schematic perspective view of one of the support assemblies of FIG. 3;
FIG. 5 is an enlarged partial view of area A of FIG. 3;
in the figure: the device comprises a 1-workbench, a 2-camera, a 3-positioning mechanism, a 31-guide rail, a 32-supporting component, a 321-slider, a 3211-first screw hole, a 322-supporting roller, a 323-rotating driving component, a 3231-rotating driving motor, a 3232-driving gear, a 3233-driven gear, a 324-first mounting seat, a 325-rotating shaft, a 326-second mounting seat, a 327-fixed block, a 33-connecting plate, a 331-second screw hole, a 34-connecting screw, a 4-shaft workpiece, a 5-upright post and a 6-supporting plate.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
Referring to fig. 1-4, the utility model provides an image measuring device for shaft workpieces, which comprises a workbench 1, an image pick-up element 2 and a positioning mechanism 3.
The image pickup device 2 is disposed above the table 1.
The positioning mechanism 3 comprises a guide rail 31 and two support assemblies 32, the two support assemblies 32 comprise a slide block 321, two support rollers 322 and a rotation driving piece 323, the slide block 321 is slidably arranged on the guide rail 31, the two support rollers 322 are rotatably arranged on the corresponding slide block 321, the two support rollers 322 are arranged in parallel, a shaft workpiece 4 is placed between the two support rollers 322, the side wall of the shaft workpiece 4 is tangential to the side wall of the two support rollers 322, and the rotation driving piece 323 is connected with the two support rollers 322 and is used for driving the two support rollers 322 to synchronously rotate.
When in use, two ends of a workpiece 4 are respectively placed between two support rollers 322 of two support assemblies 32, then, the workpiece 4 is shot through a camera 2, the size of the workpiece 4 is determined according to the shot image, then, each support roller 322 is driven to synchronously rotate through a rotation driving part 323, so that the workpiece 4 is driven to rotate, after a certain angle is rotated, the workpiece 4 is shot through the camera 2, the size of the workpiece 4 is determined according to the shot image, then, the workpiece 4 is continuously rotated, and the cycle is repeated in such a way, so that a plurality of size results of the workpiece 4 can be obtained, the average value of the sizes of the workpiece 4 is taken as a final measurement result, the measurement result is more accurate, and meanwhile, whether the roundness of the workpiece meets the requirement can be judged according to the difference value between the maximum value and the minimum value of the sizes of the workpiece 4.
In order to facilitate fixing the image pickup device, referring to fig. 1, in a preferred embodiment, the shaft workpiece image measuring apparatus further includes a stand 5, the stand 5 is fixed on the table 1, and the image pickup device 2 is fixed on the stand 5 and is used for picking up images downward.
In order to specifically implement the rotational connection between the support roller 322 and the slider 321, referring to fig. 3 and 4, in a preferred embodiment, the support assembly 32 further includes two first mounting seats 324, both of the first mounting seats 324 are fixed on the slider 321, and both of the support rollers 322 are respectively rotatably disposed on both of the first mounting seats 324.
In order to specifically implement the rotational connection between the support roller 322 and the first mounting seat 324, referring to fig. 3 and 4, in a preferred embodiment, the support assembly 32 further includes two rotating shafts 325, the two rotating shafts 325 are respectively rotatably disposed on the two first mounting seats 324, and the two rotating shafts 325 are respectively coaxially fixed at the centers of the two support rollers 322.
In order to implement the function of the rotation driving member 323, referring to fig. 3 and 4, in a preferred embodiment, the rotation driving member 323 includes a rotation driving motor 3231, and the rotation driving motor 3231 is connected to the two rotation shafts 325 and is used for driving the two rotation shafts 325 to rotate synchronously.
In order to realize connection between the rotation driving motor 3231 and the two rotation shafts 325, referring to fig. 3 and 4, in a preferred embodiment, the rotation driving member 323 further includes a driving gear 3232 and two driven gears 3233, the driving gear 3232 is coaxially fixed on the output shaft of the rotation driving motor 3231, the two driven gears 3233 are coaxially fixed on the two rotation shafts 325, the two driven gears 3233 are engaged with the driving gear 3232, and in use, the rotation driving motor 3231 drives the driving gear 3232 to rotate, and the driving gear 3232 drives the two driven gears 3233 to synchronously rotate.
In order to specifically implement the mounting of the driving gear 3232, referring to fig. 3 and 4, in a preferred embodiment, the supporting assembly 32 further includes a second mounting seat 326 and a driving shaft, the second mounting seat 326 is fixed on the sliding block 321, the driving shaft is rotatably disposed on the second mounting seat 326, one end of the driving shaft is fixedly connected with the driving gear 3232 coaxially, and the other end of the driving shaft is fixedly connected with the output shaft of the rotation driving motor 3231.
In order to specifically implement the installation of the rotation driving motor 3231, referring to fig. 3 and 4, in a preferred embodiment, the supporting assembly 32 further includes a fixing block 327, one end of the fixing block 327 is fixedly connected with the slider 321, and the other end of the fixing block 327 is fixedly connected with the housing of the rotation driving motor 3231.
In order to facilitate the assembly and disassembly of the whole positioning mechanism 3, referring to fig. 1-3, in a preferred embodiment, the shaft workpiece image measuring device further includes a supporting plate 6, the supporting plate 6 is detachably connected to the workbench 1, and the guide rail 31 is fixed on the supporting plate 6.
In order to facilitate the detection of the diameters of different portions of the shaft workpiece 4, referring to fig. 1-5, in a preferred embodiment, two of the sliders 321 are provided with a plurality of first screw holes 3211, and the positioning mechanism 3 further includes a connecting plate 33 and two corresponding sliders 321
The connecting screws 34, a plurality of second screw holes 331 matching with the first screw holes 3211 and 5 are provided on the connecting plate 33, two connecting screws 34 are used for being screwed with a corresponding first screw hole 3211 and a corresponding second screw hole 331, in this embodiment, the connecting plate 33 is used for fixing two supporting components 32 together, so that two sliding blocks 321 can be pushed to slide on the guide rail 31 synchronously, so as to drive the shaft workpieces 4 on the supporting roller 322 to move, so that the shafts are driven to move
The different parts of the workpiece 4 sequentially reach the lower part of the camera 2, so that the diameters of the different parts of the shaft workpiece 4 can be measured.
Meanwhile, in this embodiment, a plurality of first screw holes 3211 are formed on the sliding blocks 321, and a plurality of second screw holes 331 matched with the first screw holes 3211 are formed on the connecting plate 33, so that when the connecting plate 33 is installed, different first screw holes 3211 and second screw holes 331 can be selected to screw in the connecting screws 34, thereby enabling the distance between the two sliding blocks 321 to be selected in various ways, and 5 can be suitable for placing shaft workpieces 4 with different lengths.
For better understanding of the present utility model, the following describes in detail the working procedure of the image measuring device for shaft-like workpieces provided by the present utility model with reference to fig. 1 to 5: in use, the two ends of the workpiece 4 are placed between the two support rollers 322 of the two support assemblies 32, respectively, and then,
the workpiece 4 is shot through the shooting part 2, the size of the workpiece 4 is determined according to the shot image, then each supporting roller 322 is driven to synchronously rotate through the rotation driving part 323, so that the workpiece 4 is driven to rotate, after a certain angle is rotated, the workpiece 4 is shot through the shooting part 2, the size of the workpiece 4 is determined according to the shot image, then the workpiece 4 is continuously rotated, and the cyclic reciprocation is performed in this way, so that a plurality of size results of the workpiece 4 can be obtained, and the average value of the sizes of the workpiece 4 is taken as the average value
For the final measurement result, the measurement result is more accurate, and meanwhile, whether the roundness of the workpiece meets the requirement can be judged according to the difference value between the maximum 5 and the minimum of the dimension of the workpiece 4.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The shaft workpiece image measuring device is characterized by comprising a workbench, a camera and a positioning mechanism;
the camera shooting piece is arranged above the workbench;
the positioning mechanism comprises a guide rail and two supporting components, wherein the two supporting components comprise a sliding block, two supporting rollers and a rotation driving piece, the sliding block is slidably arranged on the guide rail, the two supporting rollers are rotatably arranged on the corresponding sliding block, the two supporting rollers are arranged in parallel, a shaft workpiece is placed between the two supporting rollers, the side wall of the shaft workpiece is used for being tangent to the side wall of the two supporting rollers, and the rotation driving piece is connected with the two supporting rollers and is used for driving the two supporting rollers to synchronously rotate.
2. The shaft-type workpiece image measuring apparatus according to claim 1, further comprising a column fixed to the table, the image pickup member being fixed to the column and configured to pick up an image downward.
3. The shaft workpiece image measurement device according to claim 1, wherein the support assembly further comprises two first mounting seats, the two first mounting seats are fixed on the sliding block, and the two support rollers are respectively and rotatably arranged on the two first mounting seats.
4. The shaft workpiece image measuring device according to claim 3, wherein the supporting assembly further comprises two rotating shafts, the two rotating shafts are respectively rotatably arranged on the two first mounting seats, and the two rotating shafts are respectively coaxially fixed at the centers of the two supporting rollers.
5. The shaft-like workpiece image measuring apparatus as set forth in claim 4, wherein the rotation driving member includes a rotation driving motor connected to the two rotation shafts and adapted to drive the two rotation shafts to rotate in synchronization.
6. The shaft workpiece image measuring device according to claim 5, wherein the rotation driving member further comprises a driving gear and two driven gears, the driving gear is coaxially fixed on an output shaft of the rotation driving motor, the two driven gears are coaxially fixed on the two rotating shafts respectively, and the two driven gears are meshed with the driving gear.
7. The shaft workpiece image measuring device according to claim 6, wherein the supporting assembly further comprises a second mounting seat and a driving shaft, the second mounting seat is fixed on the sliding block, the driving shaft is rotatably arranged on the second mounting seat, one end of the driving shaft is fixedly connected with the driving gear coaxially, and the other end of the driving shaft is fixedly connected with an output shaft of the rotation driving motor.
8. The shaft workpiece image measuring device according to claim 7, wherein the supporting assembly further comprises a fixing block, one end of the fixing block is fixedly connected with the sliding block, and the other end of the fixing block is fixedly connected with the housing of the rotation driving motor.
9. The shaft-type workpiece image measuring apparatus as defined in claim 1, further comprising a pallet detachably connected to the table, the guide rail being fixed to the pallet.
10. The shaft workpiece image measuring device according to claim 1, wherein a plurality of first screw holes are formed in each of the two sliding blocks, the positioning mechanism further comprises a connecting plate and two connecting screws respectively corresponding to the two sliding blocks, a plurality of second screw holes matched with the first screw holes are formed in the connecting plate, and the two connecting screws are in threaded connection with the corresponding first screw holes and the corresponding second screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028017.2U CN218937311U (en) | 2023-01-05 | 2023-01-05 | Shaft workpiece image measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028017.2U CN218937311U (en) | 2023-01-05 | 2023-01-05 | Shaft workpiece image measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218937311U true CN218937311U (en) | 2023-04-28 |
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ID=86061975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320028017.2U Active CN218937311U (en) | 2023-01-05 | 2023-01-05 | Shaft workpiece image measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218937311U (en) |
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2023
- 2023-01-05 CN CN202320028017.2U patent/CN218937311U/en active Active
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