CN109520437B - Aperture optical measurement device on reduction gearbox - Google Patents
Aperture optical measurement device on reduction gearbox Download PDFInfo
- Publication number
- CN109520437B CN109520437B CN201811649306.4A CN201811649306A CN109520437B CN 109520437 B CN109520437 B CN 109520437B CN 201811649306 A CN201811649306 A CN 201811649306A CN 109520437 B CN109520437 B CN 109520437B
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- optical measurement
- reduction gearbox
- optical
- positioning clamp
- driving screw
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- 230000003287 optical effect Effects 0.000 title claims abstract description 67
- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an aperture optical measurement device on a reduction gearbox, which comprises a detection table, wherein a reduction gearbox positioning clamp is arranged on the detection table, a plurality of optical measurement groups corresponding to the end surface to be measured of the reduction gearbox are arranged above the reduction gearbox positioning clamp, each optical measurement group comprises a degree-of-freedom slide rail seat, two parallel slide rails are arranged on the degree-of-freedom slide rail seat, and a driving screw is arranged between the two parallel slide rails, and the invention has the beneficial effects that: all small hole diameters on one end face can be measured at the same time, so that the residual shadow generated when a single optical camera is used for moving for many times is avoided, and the hole diameter detection effect and the detection speed are greatly improved.
Description
Technical Field
The invention relates to a measuring device of a reduction gearbox of an automobile windscreen wiper.
Background
Automatic optical measurement (AtMatooOptical Inptical Inptical, AOI) can improve conventional inspection by mechanical visual inspection standard techniques due to high-speed high-precision optical image inspection systems.
However, when the optical image is detected, the camera can shake when moving at high speed due to the flexibility of the camera fixing rod, so that the blurred image is imaged to the detection effect when the aperture of the small hole is measured.
The product reduction gearbox is provided with a plurality of end faces, each end face is provided with a plurality of holes to be measured, and the traditional contact type measuring device is adopted, so that sliding lines are easily generated on the inner diameter of the holes due to the fact that the workpiece is an aluminum piece.
Disclosure of Invention
The invention provides an optical measuring device for an upper aperture of a reduction gearbox, which aims to overcome the defect that sliding lines are easy to generate in the measurement of the upper aperture of the reduction gearbox of a windscreen wiper.
The technical scheme for solving the technical problem is as follows: the utility model provides an aperture optical measurement device on reducing gear box, includes a detection platform, be equipped with a reducing gear box positioning fixture on the detection platform, reducing gear box positioning fixture top is equipped with a plurality of optics that correspond with reducing gear box terminal surface to be measured and measures the group, optics are measured the group and are included a degree of freedom slide rail seat, be equipped with two parallel slide rails on the degree of freedom slide rail seat, be equipped with drive screw in the middle of the two parallel slide rails, drive screw one end is equipped with driving motor, driving motor rotates and drives drive screw and rotate, still be equipped with a movable table on the slide rail, the movable table lower extreme is equipped with the swivel nut of cover on drive screw, thereby drive screw rotates and drives movable table side-to-side slip, the movable table is last to be equipped with the extension rod that corresponds quantity corresponding to this terminal surface aperture quantity, single extension rod head is fixed with an optical camera, the length of extension rod sets up according to the distance of terminal surface hole and movable table terminal surface, optical camera is unanimous with the distance of terminal surface hole.
Further, the optical measurement set includes a first optical measurement set located on the left side of the gearbox positioning jig, a second optical measurement set located above the gearbox positioning jig, and a third optical measurement set located on the right side of the gearbox positioning jig.
The utility model provides a design of positioning fixture, reducing gear box positioning fixture includes pressure equipment left side and compresses tightly the foot, pressure equipment right side and compress tightly the foot.
A camera mounting cross rod is arranged in front of the extension rod, and a plurality of optical cameras are arranged on the camera mounting cross rod.
Further, the extension bar is replaced by an extension block on which all cameras of the group are mounted.
The use method of the invention is that the reduction gearbox is placed on a detection table, then the left press foot and the right press foot are pressed against the lower end of the reduction gearbox workpiece respectively, the movable table on the optical measurement set drives the optical cameras to extend forwards, and the diameters of all small holes on one end face are detected by a plurality of optical cameras. And after the detection is finished, the workpiece is taken down.
The invention has the beneficial effects that: all small hole diameters on one end face can be measured at the same time, so that the residual shadow generated when a single optical camera is used for moving for many times is avoided, and the hole diameter detection effect and the detection speed are greatly improved.
Drawings
FIG. 1 is a schematic view of a reduction gearbox to be inspected according to the present invention.
FIG. 2 is a schematic diagram of one embodiment of the present invention.
FIG. 3 is a schematic diagram of one embodiment of the present invention.
Fig. 4 is a schematic view of another movable stage according to the present invention.
Fig. 5 is a schematic view of yet another movable stage according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1
Referring to fig. 1 to 3, an optical measuring device for an upper aperture of a reduction gearbox comprises a detection platform 1, a reduction gearbox positioning clamp 2 is arranged on the detection platform 1, a plurality of optical measuring groups 3 corresponding to end faces to be measured of the reduction gearbox are arranged above the reduction gearbox positioning clamp 2, each optical measuring group 3 comprises a degree-of-freedom sliding rail seat 4, two parallel sliding rails 5 are arranged on each degree-of-freedom sliding rail seat 4, a driving screw 6 is arranged between the two parallel sliding rails 5, one end of each driving screw 6 is provided with a driving motor 7, the driving motor 7 rotates to drive the driving screw 6 to rotate, a movable platform 8 is further arranged on each sliding rail 5, a screw sleeve sleeved on the corresponding driving screw 6 is arranged at the lower end of each movable platform 8, the driving screw 6 rotates to drive the corresponding movable platform 8 to slide left and right, a corresponding number of protruding rods 9 are arranged on the movable platform 8, the heads of the single protruding rods 9 are fixedly provided with an optical camera 10, the lengths of the protruding rods 9 are consistent with the distance between the end face holes and the movable platform 8, and the distance between the optical camera heads 10 is consistent with the distance between the end face holes.
Further, the optical measurement set 3 includes a first optical measurement set 17 located on the left side of the reduction gearbox positioning jig 2, a second optical measurement set 18 located above the reduction gearbox positioning jig 2, and a third optical measurement set 19 located on the right side of the reduction gearbox positioning jig 2.
The design of the positioning fixture, the gearbox positioning fixture 2 comprises a left press-fit foot 11 and a right press-fit foot 12.
The use method of the invention is that the reduction gearbox 15 is placed on the detection table 1, then the left press foot 11 and the right press foot respectively press the lower end of the reduction gearbox workpiece, the movable table 8 on the optical measurement set 3 drives the optical cameras 10 to extend forwards, and the diameters of all small holes 16 on one end face are detected by a plurality of optical cameras 10. And after the detection is finished, the workpiece is taken down.
The invention has the beneficial effects that: all small hole diameters on one end face can be measured at the same time, so that the residual shadow generated when a single optical camera is used for moving for many times is avoided, and the hole diameter detection effect and the detection speed are greatly improved.
Example 2
Referring to fig. 1 to 4, an optical measuring device for an upper aperture of a reduction gearbox comprises a detection platform 1, a reduction gearbox positioning clamp 2 is arranged on the detection platform 1, a plurality of optical measuring groups 3 corresponding to end faces to be measured of the reduction gearbox are arranged above the reduction gearbox positioning clamp 2, each optical measuring group 3 comprises a free-degree sliding rail seat 4, two parallel sliding rails 5 are arranged on each free-degree sliding rail seat 4, a driving screw 6 is arranged between the two parallel sliding rails 5, a driving motor 7 is arranged at one end of the driving screw 6, the driving motor 7 rotates to drive the driving screw 6 to rotate, a movable platform 8 is further arranged on the sliding rails 5, a screw sleeve sleeved on the driving screw 6 is arranged at the lower end of the movable platform 8, accordingly, the driving screw 6 rotates to drive the movable platform 8 to slide left and right, a corresponding number of protruding rods 9 are arranged on the movable platform 8 corresponding to the number of small holes of the end faces, an optical camera 10 is fixed at the head of each protruding rod 9, the length of each protruding rod 9 is consistent with the distance between the corresponding end face hole and the movable platform 8, and the optical camera 10 is arranged at the end face hole.
Further, the optical measurement set 3 includes a first optical measurement set 17 located on the left side of the reduction gearbox positioning jig 2, a second optical measurement set 18 located above the reduction gearbox positioning jig 2, and a third optical measurement set 19 located on the right side of the reduction gearbox positioning jig 2.
The design of the positioning fixture, the gearbox positioning fixture 2 comprises a left press-fit foot 11 and a right press-fit foot 12.
A camera mounting cross rod 13 is arranged in front of the extension rod 9, and a plurality of optical cameras 10 are arranged on the camera mounting cross rod 13.
After the transverse rod is installed by adopting the camera, one extending rod position can be omitted, and other effects are unchanged.
Example 3
The utility model provides a combination 1, 2, 3, 5, an aperture optical measurement device on reducing gear box, includes a detection platform 1, be equipped with a reducing gear box positioning fixture 2 on the detection platform 1, reducing gear box positioning fixture 2 top is equipped with a plurality of optical measurement group 3 that correspond with reducing gear box measurement terminal surface, optical measurement group 3 includes a degree of freedom slide rail seat 4, be equipped with two parallel slide rails 5 on the degree of freedom slide rail seat 4, be equipped with drive screw 6 in the middle of two parallel slide rails 5, drive screw 6 one end is equipped with driving motor 7, driving motor 7 rotates and drives drive screw 6 and rotate, still be equipped with a movable table 8 on the slide rail 5, the swivel nut of cover on drive screw 6 is equipped with to be equipped with to the movable table 8 rotation, the corresponding quantity of terminal surface aperture quantity is equipped with the extension rod 9 on the movable table 8, single extension rod 9 head is fixed with an optical camera 10, the length of extension rod 9 is according to terminal surface aperture and the setting of terminal surface and the distance of movable table 8, the distance of optical camera 10 is unanimous.
Further, the optical measurement set 3 includes a first optical measurement set 17 located on the left side of the reduction gearbox positioning jig 2, a second optical measurement set 18 located above the reduction gearbox positioning jig 2, and a third optical measurement set 19 located on the right side of the reduction gearbox positioning jig 2.
The design of the positioning fixture, the gearbox positioning fixture 2 comprises a left press-fit foot 11 and a right press-fit foot 12.
The extension bar 9 is replaced by an extension block 14, and all cameras of the group are mounted on the extension block 14.
After the extension block 14 is adopted to replace the extension rod 9, the rigidity of the camera mounting mechanism is increased, the camera mounting mechanism is not easy to shake, and the detection quality is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (3)
1. An aperture optical measurement device on reducing gear box, its characterized in that: the optical measuring device comprises a detection table, wherein a reduction gearbox positioning clamp is arranged on the detection table, a plurality of optical measuring groups corresponding to end faces to be measured of a reduction gearbox are arranged above the reduction gearbox positioning clamp, each optical measuring group comprises a free sliding rail seat, two parallel sliding rails are arranged on each free sliding rail seat, a driving screw is arranged between the two parallel sliding rails, a driving motor is arranged at one end of each driving screw, the driving motor rotates to drive the driving screw to rotate, a movable table is further arranged on each sliding rail, a screw sleeve sleeved on the driving screw is arranged at the lower end of each movable table, so that the driving screw rotates to drive the movable table to slide left and right, a corresponding number of extending rods are arranged on the movable table corresponding to the number of small holes of the end faces, an optical camera is fixed at the head of each extending rod, the length of each extending rod is set according to the distance between an end face hole and the end face of the movable table, and the distance between each optical camera and the end face hole is consistent; the optical measurement group comprises a first optical measurement group positioned on the left side of the gearbox positioning clamp, a second optical measurement group positioned above the gearbox positioning clamp and a third optical measurement group positioned on the right side of the gearbox positioning clamp, a camera mounting cross rod is arranged in front of the extending rod, and a plurality of optical cameras are arranged on the camera mounting cross rod.
2. The reduction gearbox upper aperture optical measurement device according to claim 1, wherein: the gearbox positioning clamp comprises a left press-fit right press-fit foot.
3. The reduction gearbox upper aperture optical measurement device according to claim 1, wherein: the extension bar is replaced by an extension block on which all cameras of the group are mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649306.4A CN109520437B (en) | 2018-12-30 | 2018-12-30 | Aperture optical measurement device on reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649306.4A CN109520437B (en) | 2018-12-30 | 2018-12-30 | Aperture optical measurement device on reduction gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109520437A CN109520437A (en) | 2019-03-26 |
| CN109520437B true CN109520437B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649306.4A Active CN109520437B (en) | 2018-12-30 | 2018-12-30 | Aperture optical measurement device on reduction gearbox |
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| CN (1) | CN109520437B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114623763B (en) * | 2022-03-04 | 2023-03-21 | 中国民用航空飞行学院 | A flexible stereo vision measuring device for target space coordinates |
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| KR20140013818A (en) * | 2012-07-27 | 2014-02-05 | 엘에스엠트론 주식회사 | Apparatus for automated optical inspection using movable camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9305365B2 (en) * | 2013-01-24 | 2016-04-05 | Kineticor, Inc. | Systems, devices, and methods for tracking moving targets |
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| KR20050083360A (en) * | 2004-02-23 | 2005-08-26 | (주) 나인원 | Inspecting method and its machine using multiple optical cameras for mechanical part |
| KR20140013818A (en) * | 2012-07-27 | 2014-02-05 | 엘에스엠트론 주식회사 | Apparatus for automated optical inspection using movable camera |
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| CN109520437A (en) | 2019-03-26 |
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