CN104155309A - Steel ball surface spreading apparatus based on machine vision - Google Patents
Steel ball surface spreading apparatus based on machine vision Download PDFInfo
- Publication number
- CN104155309A CN104155309A CN201410402988.4A CN201410402988A CN104155309A CN 104155309 A CN104155309 A CN 104155309A CN 201410402988 A CN201410402988 A CN 201410402988A CN 104155309 A CN104155309 A CN 104155309A
- Authority
- CN
- China
- Prior art keywords
- steel ball
- screw rod
- guide rail
- pitch
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a steel ball surface spreading apparatus based on machine vision. The steel ball surface spreading apparatus comprises guide rails used for bearing steel balls, a screw which is parallely arranged below the guide rails and is in rolling fit with the steel balls and a drive unit driving the screw to rotate. When the steel balls pass through the guide rails above the screw, the steel balls carry out radial rolling and lateral displacement relative to the guide rails under driving of the screw and guiding of the guide rails, and the steel balls carry out radial rolling at least for one circle. According to the invention, the technical means of driving by the screw is employed for passive rolling spreading of the steel balls to mainly overcome the technical problem that active rolling spreading of two adjacent steel balls cannot be realized due to close contact of the two adjacent steel balls; intact surface images of steel balls can be shot, leak detection is avoided, a false drop rate is reduced and is 0.0001 to 0.0002, sorting efficiency is high, and the steel ball surface spreading apparatus is applicable to industrial batch sorting of steel balls.
Description
Technical field
The present invention relates to steel ball sorting arrangement technical field, especially relate to a kind of steel ball surface expanding unit of steel ball sorting arrangement.
Background technology
Machine vision replaces human eye measure and judge with machine exactly, machine vision technique refers to that by machine vision product (be image-pickup device, two kinds of minute CMOS and CCD) will be ingested target and convert picture signal to, send special-purpose image processing system to, according to information such as pixel distribution and brightness, colors, be transformed into digitized signal; Picture system carries out to these signals the feature that various computings carry out extracting objects, and then controls on-the-spot device action according to the result of differentiating.
Bearing steel ball surface defects detection based on machine vision technique is the focus of at present both at home and abroad scientific worker's research, and wherein the unfolded surface device of steel ball is core, is also domestic and international insoluble technical matters all the time.The people such as Wang Peng, Wu Chunya of power and mechanical engineering institute of Harbin University of Science and Technology have proposed a kind of LabView of take as the steel ball surface defect detection method of software platform in conjunction with IMAQ Vision function library, the method is moved and is obtained image on travelling belt by steel ball, then utilize the destroyed feature of defect area texture, completing having or not with type of steel ball surface defect judges, the size of defect can not be definitely calculated, the image of the whole outside surface of steel ball can not be absorbed.Doctor Pan Hongping of Harbin Institute of Technology has also proposed a kind of video camera and Computer Image Processing and recognition technology of utilizing and steel ball surface has been carried out to the experimental provision of automatic detection and Identification classification, the research of carrying out on the basis of this device Shi Czech meridian unfolding wheel, allow steel ball roll on homemade objective table, so that the image in picked-up each orientation of steel ball, realized the automatic detection of steel ball surface defect, but cannot guarantee that steel ball is fully expanded on homemade objective table, can not guarantee to absorb the image of each preset.The Song Xiaoxia of University Of Science and Technology Of He'nan has proposed the experiment porch launching for steel ball surface, it has designed two orthogonal tracks according to testing requirement, steel ball relies on self gravitation to roll on two vertical tracks, so that picked-up is to the image of whole steel ball surface, but because making to obtain steel ball surface all standing image, the two-dimentional machinery motion of steel ball there is randomness and complicacy.Chinese patent (notification number CN102658266B) discloses a kind of steel ball sorting equipment and method based on machine vision, it adopts the test chamber carrying steel ball in feed shelter to rotate with certain speed, the expansion of steel ball relies on the rotation in bottom friction dish cycle and translation intermittently to make steel ball do eccentric motion, reach the effect that steel ball surface to be detected launches, but this kind of method obtained image and had randomness, can not guarantee to cover steel ball surface completely, mechanism is more complicated also.Chinese patent (notification number CN102288620B) discloses a kind of steel ball surface method of deploying and device based on multiple image sensor, this device utilizes the self gravitation of steel ball to roll on one dimension track, it adopts two symmetrical imageing sensors just can reach steel ball surface and covers comprehensively, thereby the structure of its development mechanism is simplified very much, but this device is (referring to patent announcement CN102735693B accompanying drawing 1) in actual use, for improving sorting efficiency, steel ball on this one dimension track is continuously arranges, close contact between two adjacent steel balls, if the surface of two adjacent steel ball contacts has the defects such as pit or rust staining, under the effect of gravity extruding force, can affect it rolls relatively, steel ball is slided along this one dimension track, the expansion of can not fully rolling, can not absorb complete steel ball surface image and cause undetected, its false drop rate is higher is 3～5 ‰, obviously can not be applicable to the sorting of steel ball industrial mass, thereby be necessary to make improvements.
Summary of the invention
The deficiency existing for above-mentioned prior art, the steel ball surface expanding unit that the object of this invention is to provide a kind of steel ball sorting arrangement based on machine vision, the technological means that it adopts the passive rolling of screw drive steel ball to launch, has mainly solved the technical matters that steel ball that two adjacent steel balls cause because of close contact can not initiatively roll and launches.
To achieve these goals, the technical solution adopted in the present invention is:
A steel ball surface expanding unit based on machine vision, comprises guide rail for carrying steel ball, is set in parallel in guide rail below and the screw rod coordinating with steel ball rolling and the drive unit of drive screw turns; When steel ball is during through the guide rail of described screw rod top, steel ball is relative guide rail while radial rolling and transversal displacement under the acting in conjunction of screw drive and guide rail guiding, and steel ball circumference of radial rolling at least.
Wherein, described spiro rod length is greater than M*N times of pitch, and all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3.Preferably, described spiro rod length is 5 times of pitch, bolt rotary 1 week its drive passive rolling quarter turn of steel ball and 1 times of pitch of transversal displacement.Preferably, described spiro rod length is 9 times of pitch, bolt rotary 2 weeks its drive passive rolling quarter turn of steel ball and transversal displacement twice pitch.
Wherein, described drive unit is servo step motor.Described guide rail is the gib block being parallel to each other of being located at steel ball two sides, and described screw rod is located at the below of gib block center described in two.
A steel ball surface expanding unit based on machine vision, comprises guide rail for carrying steel ball, is set in parallel in the drive unit of guide rail below and the first screw rod coordinating with steel ball rolling and the second screw rod and driving the first screw rod and the second bolt rotary; The first screw rod and the second screw rod sequentially arrange before and after described guide rail, when steel ball passes through the guide rail of described the first/the second screw rod top, steel ball is relative guide rail while radial rolling and transversal displacement under the acting in conjunction of the first/the second screw drive and guide rail guiding, and steel ball is distinguished at least circumference of radial rolling; Between the first screw rod and the second screw rod, there is gap, this gap make steel ball depart from the driving of the first screw rod and the second screw rod and relative guide rail laterally rolls (2K-1)/4 circumference, wherein K is positive integer.Preferably, described the first spiro rod length is 5 times of pitch, and it drives the passive rolling quarter turn of steel ball and 1 times of pitch of transversal displacement the first bolt rotary 1 week; Described the second spiro rod length is 5 times of pitch, and it drives the passive rolling quarter turn of steel ball and 1 times of pitch of transversal displacement the second bolt rotary 1 week.Wherein, the described gap length between the first screw rod and the second screw rod is less than the sphere diameter of 2 times of steel balls.
Steel ball surface expanding unit based on machine vision launches a method for steel ball surface, and steel ball is done one-dimensional square to moving along described guide rail, and drive unit drives described the first screw rod and the second bolt rotary, comprises the following steps:
S1, steel ball is through the guide rail of described the first screw rod top, steel ball enters helicla flute one by one from the front end of the first screw rod, and the first bolt rotary drives the relatively described guide rail radial rolling of steel ball and transversal displacement, and the first spiro rod length is greater than M*N times of pitch, steel ball sphere diameter is less than M times of pitch, all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3, steel ball exits helicla flute one by one from the rear end of the first screw rod;
S2, steel ball is through the guide rail of top, described gap, and steel ball is along guide rail (2K-1)/4 circumference that laterally rolls, and wherein K is positive integer, makes the sagittal plane of the first screw drive steel ball radial rolling and the sagittal plane quadrature of the second screw drive steel ball radial rolling;
S3, steel ball is through the guide rail of described the second screw rod top, steel ball enters helicla flute one by one from the front end of the second screw rod, and the second bolt rotary drives the relatively described guide rail radial rolling of steel ball and transversal displacement, and the second spiro rod length is greater than M*N times of pitch, steel ball sphere diameter is less than M times of pitch, all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3, steel ball exits helicla flute one by one from the rear end of the second screw rod.
Adopt after technique scheme, the advantage that compared to the prior art the present invention had is:
Compared with prior art, the present invention includes guide rail, screw rod and drive unit, steel ball is done one-dimensional square to moving along guide rail under screw rod drives, its development mechanism simple in structure, imageing sensor is arranged at top or the side of steel ball, the position of imageing sensor is limited to requirement lower, thereby be convenient to that imageing sensor is laid and regulate (and the imageing sensor that is symmetrically set in one dimension track both sides described in background technology, very strict to the requirement of the angle of imageing sensor and distance, in practical operation, be difficult to lay and regulate), thereby the present invention adopts screw drive steel ball, passive rolling fully launches steel ball surface, rely on self gravitation initiatively to roll and launch to compare on one dimension track with the steel ball of prior art, it adopts the relative guide rail radial rolling of screw drive steel ball and transversal displacement, because spiral fluted pitch can equidistantly be kept apart adjacent steel ball, the situation of having avoided adjacent steel ball to cause steel ball can not fully roll and launch because of some special circumstances (having the defects such as pit or rust staining such as steel ball surface), thereby can absorb the surface image that steel ball is complete, avoid undetected, reduce false drop rate, false drop rate is 1/10000th～2, sorting efficiency is high, be applicable to the sorting of steel ball industrial mass.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the embodiment of the present invention 3.
Fig. 4 is the perspective view of the embodiment of the present invention 3.。
In figure, 1: screw rod; 11: the first screw rods; 12: the second screw rods; 2: guide rail; 3: steel ball.
Embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment 1, as shown in Figure 1:
A kind of steel ball surface expanding unit based on machine vision, this device is the significant components of steel ball sorter, comprise for carrying the guide rail 2 of steel ball 3, (drive unit and screw rod 1 can adopt gear to be located at guide rail 2 belows and the screw rod 1 coordinating with steel ball 3 rollings and the drive unit of drive screw 1 rotation, the syndetons such as belt, belong to known technology, thereby drive unit is not shown), screw rod 1 is provided with the helicla flute matching with steel ball 3 bottoms, spiral fluted pitch equates, when steel ball 3 passes through the guide rail 2 of described screw rod 1 tops, steel ball 3 drives relative 2 while of guide rail radial rolling and transversal displacement under the acting in conjunction of leading with guide rail 2 at screw rod 1, and steel ball 3 is circumference of radial rolling at least.Described screw rod 1 length is greater than M*N times of pitch, and steel ball 3 sphere diameters are less than M times of pitch, and all its of the every rotation of screw rod 1 M drives steel ball 3 radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3.
Wherein, described drive unit is servo step motor, described guide rail 2 is for being located at the gib block being parallel to each other of 3 liang of sides of steel ball, described screw rod 1 is located at the below of described two gib block centers, described guide rail 2 is downward-sloping along steel ball 3 direct of travels, makes steel ball 3 on guide rail 2, rely on self gravitation to enter in the helicla flute of screw rod 1, and described spiral fluted helix angle is 30～60 degree, preferably 45 degree, make screw rod 1 drive the passive rolling of steel ball 3 more steady.
The present embodiment be take sphere diameter and is described as 18mm steel ball 3 unfolded surfaces as example, wherein the length of screw rod 1 is 100mm, the length of pitch is 20mm, and the length of screw rod 1 is 5 times of pitch, and screw rod 1 rotates one week its drive relative guide rail 2 radial rolling quarter turns of steel ball 3 and 1 pitch of transversal displacement.
In the present embodiment, imageing sensor is located at the top of steel ball 3, some steel balls 3 are done one-dimensional square to moving along the guide rail 2 with gradient under self gravitation, servo step motor drive screw 1 rotates, the every rotation of step motor control screw rod 1 pauses once for one week, imageing sensor completes the image capture to steel ball 3 surfaces at this pause interval in the time, make its imaging of surface image of the steel ball 3 under stationary state that imageing sensor absorbs more clear, and the later image that is conducive to machine vision is processed.
Steel ball 3 enters helicla flute one by one from the front end of screw rod 1, screw rod 1 rotates and then drives steel ball 3 radial rolling passively under the driving of drive unit, the every distance through a pitch of steel ball 3, the passive rolling quarter turn of steel ball 3, when the continuous distance through 4 pitch of steel ball 3, steel ball 3 is along spiral fluted tangential direction radial rolling 1 week passively, be that the image that image sensing device obtains the steel ball 3 upper end spherical crowns within the scope of these 4 pitch just can generate around the steel ball image of 3 one weeks in reconstruct, steel ball 3 exits helicla flute more one by one from the rear end of screw rod 1.In the present embodiment, steel ball 3 sphere diameters are less than 1 times of pitch of screw rod 1, make screw rod 1 can drive 4 steel balls 3 synchronously radial rolling and transversal displacement simultaneously, imageing sensor can absorb the image on the spherical crown surface, upper end that includes 4 steel balls 3 at every turn, be equivalent to 4 Process Synchronization operations, to improve image capture efficiency.
Adopt screw rod 1 to drive steel ball 3 radial rollings to launch, can make adjacent steel ball 3 separate, between steel ball 3 and steel ball 3, do not interfere with each other, and steel ball 3 is to rely on external force to drive its expansion, thereby the expansion of can fully rolling of the surface of steel ball 3, solved the problem that steel ball 3 that the adjacent steel ball 3 of existing one dimension track causes because of close contact can not initiatively roll and launch.
Embodiment 2, as shown in Figure 2:
The present embodiment be take sphere diameter and is described as 36mm steel ball 3 unfolded surfaces as example, wherein the length of screw rod 1 is 180mm, the length of pitch is 20mm, and the length of screw rod 1 is 9 times of pitch, and screw rod 1 rotates 2 weeks its drive relative guide rail 2 radial rolling quarter turns of steel ball 3 and 2 pitch of transversal displacement.The difference of the present embodiment and embodiment 1 is that the sphere diameter of steel ball 3 is greater than 1 times of pitch of screw rod 1 and is less than 2 times of pitch, because steel ball 3 is the spiral fluteds that enter from screw rod 1 front end, under the position-limiting action of guide rail 2, only have when screw rod 1 rotation is after 2 weeks, next steel ball 3 just has living space and again from the front end of screw rod 1, enters helicla flute.The present embodiment shows: when the sphere diameter of steel ball 3 is greater than N times of pitch and is less than N+1 times of pitch, N >=0, be after drive unit drive screw 1 rotation N+1 turns, next steel ball 3 can enter into the helicla flute of screw rod 1, the steel ball 3 of square guide rail 2 on screw rod 1 is remained, all the other contents of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3, see shown in Fig. 3 and Fig. 4:
Embodiment 1 and embodiment 2 all adopt 1 pair of steel ball 3 of a screw rod to drive, imageing sensor can only absorb on a rotating direction around the steel ball image of 3 one weeks, and imageing sensor has vision dead zone in the rear and front end of steel ball 3, therefore can not intactly absorb the surface image of whole steel ball 3, for addressing this problem, can from screw rod 1 front position and steel ball 3, from screw rod 1 rear end, exit position at steel ball 3 and increase by two width pickup images, the steel ball 3 of these two positions rolls along guide rail 2, there is the angle of near orthogonal with the radial rolling of screw rod 1, therefore steel ball 3 images that imageing sensor can absorb six positions come reconstruct to generate the image on complete steel ball 3 surfaces.But still there is certain randomness in the two width pickup images that the method increases, can affect the false drop rate of steel ball 3.For this problem, the present embodiment adopts the first screw rod 11 and 12 minutes two stage steel balls 3 of the second screw rod that two front and back sequentially arrange to drive into the expansion of row radial rolling, and the sagittal plane of this two radial rolling is quadrature, thereby respectively steel ball 3 is driven and can make steel ball 3 surfaces fully intactly to launch by two screw rods 1, further to reduce false drop rate.
Particularly, steel ball 3 unfolded surface devices based on machine vision, comprise guide rail 2 for carrying steel ball 3, be set in parallel in guide rail 2 belows and with steel ball 3 roll the first screw rod 11 and the second screw rod 12 that coordinate and drive the first screw rod 11 and the drive unit of the second screw rod 12 rotations.The first screw rod 11 and the second screw rod 12 sequentially arrange along described guide rail 2 front and back, when steel ball 3 passes through the guide rail 2 of described the first/the second screw rod 11,12 tops, steel ball 3 is relative 2 while of guide rail radial rolling and transversal displacement under the first/the second acting in conjunction that screw rod 11,12 drives and guide rail 2 leads, and steel ball 3 is distinguished at least circumference of radial rolling.Between the first screw rod 11 and the second screw rod 12, have gap, this gap makes steel ball 3 depart from the driving of the first screw rods 11 and the second screw rod 12 and the horizontal rolling quarter turn of relative guide rail 2.Preferably, described the first screw rod 11 length are 5 times of pitch, and the first screw rod 11 rotates 1 week its drive passive rolling quarter turn of steel ball 3 and 1 times of pitch of transversal displacement.Described the second screw rod 12 length are 5 times of pitch, and the second screw rod 12 rotates 1 week its drive passive rolling quarter turn of steel ball 3 and 1 times of pitch of transversal displacement.Wherein, the sphere diameter that the described gap length between the first screw rod 11 and the second screw rod 12 is less than 2 times of steel balls 3, only holds a steel ball 3 in this gap, and it rolls more steadily with smooth and easy along guide rail 2.
A kind of steel ball 3 unfolded surface devices based on machine vision launch the method on steel ball 3 surfaces, steel ball 3 unfolded surface devices based on machine vision are referring to embodiment 3, steel ball 3 is done one-dimensional square to moving along described guide rail 2, drive unit drives described the first screw rod 11 and the second screw rod 12 to rotate, and comprises the following steps:
The first step, steel ball 3 is through the guide rail 2 of described the first screw rod 11 tops, steel ball 3 enters helicla flute one by one from the front end of the first screw rod 11, the first screw rod 11 rotates and drives relatively described guide rail 2 radial rollings of steel ball 3 and transversal displacement, the first screw rod 11 length are 5 times of pitch, steel ball 3 sphere diameters are less than 1 times of pitch, the every rotation of screw rod 11 week its drive steel ball 3 radial rolling quarter turns and 1 times of pitch of transversal displacement, and steel ball 3 exits helicla flute one by one from the rear end of the first screw rod 11.When steel ball 3 is by after the guide rail 2 of the first screw rod 11 tops, imageing sensor absorbs around the steel ball surface image of 3 one weeks.
Second step, steel ball 3 is through the guide rail 2 of top, described gap, steel ball 3 is along the horizontal rolling quarter turn of guide rail 2, make the first screw rod 11 drive the sagittal plane of steel ball 3 radial rollings and the sagittal plane quadrature that the second screw rod 12 drives steel ball 3 radial rollings, during this position, imageing sensor does not obtain steel ball 3 surface images.
The 3rd step, steel ball 3 is through the guide rail 2 of described the second screw rod 12 tops, steel ball 3 enters helicla flute one by one from the front end of the second screw rod 12, the second screw rod 12 rotates and drives relatively described guide rail 2 radial rollings of steel ball 3 and transversal displacement, the second screw rod 12 length are 5 times of pitch, steel ball 3 sphere diameters are less than 1 times of pitch, the every rotation of screw rod 11 week its drive steel ball 3 radial rolling quarter turns and 1 times of pitch of transversal displacement, and steel ball 3 exits helicla flute one by one from the rear end of the second screw rod 12.When steel ball 3 is by after the guide rail 2 of the second screw rod 12 tops, imageing sensor absorb with the first step in the image quadrature that absorbed around the steel ball surface image of 3 one weeks.
The above is only better embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (8)
1. the steel ball surface expanding unit based on machine vision, is characterized in that: comprise guide rail for carrying steel ball, be set in parallel in guide rail below and the screw rod coordinating with steel ball rolling and the drive unit of drive screw turns; When steel ball is during through the guide rail of described screw rod top, steel ball is relative guide rail while radial rolling and transversal displacement under the acting in conjunction of screw drive and guide rail guiding, and steel ball circumference of radial rolling at least.
2. the steel ball surface expanding unit based on machine vision according to claim 1, it is characterized in that: described spiro rod length is greater than M*N times of pitch, all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3.
3. the steel ball surface expanding unit based on machine vision according to claim 2, is characterized in that: described spiro rod length is 5 times of pitch, bolt rotary 1 week its drive passive rolling quarter turn of steel ball and 1 times of pitch of transversal displacement.
4. the steel ball surface expanding unit based on machine vision according to claim 1, is characterized in that: described spiro rod length is 9 times of pitch, bolt rotary 2 weeks its drive passive rolling quarter turn of steel ball and transversal displacement twice pitch.
5. the steel ball surface expanding unit based on machine vision according to claim 1, is characterized in that: described drive unit is servo step motor.
6. the steel ball surface expanding unit based on machine vision according to claim 1, is characterized in that: described guide rail is the gib block being parallel to each other of being located at steel ball two sides, and described screw rod is located at the below of gib block center described in two.
7. the steel ball surface expanding unit based on machine vision, is characterized in that: comprise guide rail for carrying steel ball, be set in parallel in the drive unit of guide rail below and the first screw rod coordinating with steel ball rolling and the second screw rod and driving the first screw rod and the second bolt rotary; The first screw rod and the second screw rod sequentially arrange before and after described guide rail, and when steel ball is during through the guide rail of described the first/the second screw rod top, steel ball is relative guide rail while radial rolling and transversal displacement under the acting in conjunction of the first/the second screw drive and guide rail guiding; Between the first screw rod and the second screw rod, there is gap, this gap make steel ball depart from the driving of the first screw rod and the second screw rod and relative guide rail laterally rolls (2K-1)/4 circumference, wherein K is positive integer.
8. the steel ball surface expanding unit based on machine vision as claimed in claim 7 launches the method for steel ball surface, steel ball is done one-dimensional square to moving along described guide rail, drive unit drives described the first screw rod and the second bolt rotary, it is characterized in that, comprises the following steps:
S1, steel ball is through the guide rail of described the first screw rod top, steel ball enters helicla flute one by one from the front end of the first screw rod, and the first bolt rotary drives the relatively described guide rail radial rolling of steel ball and transversal displacement, and the first spiro rod length is greater than M*N times of pitch, steel ball sphere diameter is less than M times of pitch, all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3, steel ball exits helicla flute one by one from the rear end of the first screw rod;
S2, steel ball is through the guide rail of top, described gap, and steel ball is along guide rail (2K-1)/4 circumference that laterally rolls, and wherein K is positive integer, makes the sagittal plane of the first screw drive steel ball radial rolling and the sagittal plane quadrature of the second screw drive steel ball radial rolling;
S3, steel ball is through the guide rail of described the second screw rod top, steel ball enters helicla flute one by one from the front end of the second screw rod, and the second bolt rotary drives the relatively described guide rail radial rolling of steel ball and transversal displacement, and the second spiro rod length is greater than M*N times of pitch, steel ball sphere diameter is less than M times of pitch, all its of the every rotation of screw rod M drives steel ball radial rolling 1/N circumference and transversal displacement M times pitch, and wherein M, N are integer, M >=1, N >=3, steel ball exits helicla flute one by one from the rear end of the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402988.4A CN104155309B (en) | 2014-08-15 | 2014-08-15 | Steel ball surface spreading apparatus based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402988.4A CN104155309B (en) | 2014-08-15 | 2014-08-15 | Steel ball surface spreading apparatus based on machine vision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104155309A true CN104155309A (en) | 2014-11-19 |
| CN104155309B CN104155309B (en) | 2017-02-15 |
Family
ID=51880868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410402988.4A Active CN104155309B (en) | 2014-08-15 | 2014-08-15 | Steel ball surface spreading apparatus based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104155309B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105210680A (en) * | 2015-09-25 | 2016-01-06 | 潜山县经汇农业综合发展有限公司 | A kind of oil-tea sprout stock grafting method |
| CN105241893A (en) * | 2015-10-27 | 2016-01-13 | 苏州听毅华自动化设备有限公司 | Rolling-ball automatic discharging apparatus |
| CN105817425A (en) * | 2016-04-15 | 2016-08-03 | 宁波百加百测控设备有限公司 | Unfolding device of steel ball sorting machine |
| CN105954300A (en) * | 2016-07-04 | 2016-09-21 | 哈尔滨理工大学 | Meridian steel ball surface spreading device |
| CN106153637A (en) * | 2016-07-04 | 2016-11-23 | 哈尔滨理工大学 | Meridian list roller frictional disk steel ball surface development mechanism |
| CN108051447A (en) * | 2017-12-26 | 2018-05-18 | 华测检测认证集团股份有限公司 | Photoinduction type surface defects detection equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972850A (en) * | 1995-06-28 | 1997-03-18 | Ntn Corp | Rotating-body visual inspection apparatus |
| CN201255634Y (en) * | 2008-08-26 | 2009-06-10 | 浙江大学 | On-line rubber bolt external shape quality inspection machine |
| CN101915768A (en) * | 2010-08-03 | 2010-12-15 | 河北科技大学 | Ceramic ball surface quality detection device |
| CN102288620A (en) * | 2011-08-10 | 2011-12-21 | 天津大学 | Method and device for unfolding surface of steel ball on basis of multiple image sensors |
| CN102658266A (en) * | 2012-05-23 | 2012-09-12 | 浙江大学 | Steel ball sorting device and method based on machine vision |
| CN204086164U (en) * | 2014-08-15 | 2015-01-07 | 宁波百加百测控设备有限公司 | Based on the steel ball surface expanding unit of machine vision |
-
2014
- 2014-08-15 CN CN201410402988.4A patent/CN104155309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0972850A (en) * | 1995-06-28 | 1997-03-18 | Ntn Corp | Rotating-body visual inspection apparatus |
| CN201255634Y (en) * | 2008-08-26 | 2009-06-10 | 浙江大学 | On-line rubber bolt external shape quality inspection machine |
| CN101915768A (en) * | 2010-08-03 | 2010-12-15 | 河北科技大学 | Ceramic ball surface quality detection device |
| CN102288620A (en) * | 2011-08-10 | 2011-12-21 | 天津大学 | Method and device for unfolding surface of steel ball on basis of multiple image sensors |
| CN102658266A (en) * | 2012-05-23 | 2012-09-12 | 浙江大学 | Steel ball sorting device and method based on machine vision |
| CN204086164U (en) * | 2014-08-15 | 2015-01-07 | 宁波百加百测控设备有限公司 | Based on the steel ball surface expanding unit of machine vision |
Non-Patent Citations (1)
| Title |
|---|
| 张付祥，刘振宇: "陶瓷球表面质量检测展开机构", 《轴承》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105210680A (en) * | 2015-09-25 | 2016-01-06 | 潜山县经汇农业综合发展有限公司 | A kind of oil-tea sprout stock grafting method |
| CN105241893A (en) * | 2015-10-27 | 2016-01-13 | 苏州听毅华自动化设备有限公司 | Rolling-ball automatic discharging apparatus |
| CN105817425A (en) * | 2016-04-15 | 2016-08-03 | 宁波百加百测控设备有限公司 | Unfolding device of steel ball sorting machine |
| CN105954300A (en) * | 2016-07-04 | 2016-09-21 | 哈尔滨理工大学 | Meridian steel ball surface spreading device |
| CN106153637A (en) * | 2016-07-04 | 2016-11-23 | 哈尔滨理工大学 | Meridian list roller frictional disk steel ball surface development mechanism |
| CN108051447A (en) * | 2017-12-26 | 2018-05-18 | 华测检测认证集团股份有限公司 | Photoinduction type surface defects detection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104155309B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155309A (en) | Steel ball surface spreading apparatus based on machine vision | |
| CN204086164U (en) | Based on the steel ball surface expanding unit of machine vision | |
| CN104614374B (en) | A kind of steel ball surface defect detection expanding unit | |
| CN104155310B (en) | 360 degree of detection devices of roller open defect and method | |
| CN102621156B (en) | Image-processing-based automatic micro part sorting system | |
| CN105817425B (en) | A kind of steel ball sorter expanding unit | |
| CN102288620B (en) | Method and device for unfolding surface of steel ball on basis of multiple image sensors | |
| JP2011066873A5 (en) | ||
| JP6300360B2 (en) | Sphere rotation mechanism and sphere surface inspection device | |
| CN105527300A (en) | Spiral moving type steel ball surface unfolding mechanism | |
| CN106000912A (en) | Citrus cyst foreign matter removing system based on machine vision guidance | |
| IL277972B1 (en) | Method and apparatus for performing a tomographic examination of an object | |
| CN207586943U (en) | For the 3D face identification devices with automatic regulation function of bank | |
| CN105928950A (en) | Bearing detection device based on machine vision | |
| CN107894424A (en) | Efficient vision detection system for bearing open defect | |
| CN109502297A (en) | The comprehensive Automatic Visual Inspection device of workpiece | |
| CN206358440U (en) | Toothbrush package vision detection system | |
| CN204074543U (en) | A kind of steel ball surface defect detects sorting arrangement | |
| US9709371B1 (en) | Ammunition inspecting system | |
| WO2013020277A1 (en) | Steel ball surface development method and device based on multiple image sensors | |
| CN204479483U (en) | A kind of steel ball surface defect detects expanding unit | |
| CN107966118A (en) | A kind of plane of motion detection device and its detection method | |
| CN204086163U (en) | A kind of steel ball surface expanding unit | |
| CN104267039B (en) | Steel ball surface development device and method | |
| CN205701490U (en) | A kind of steel ball sorter expanding unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |