CN204964406U - 360 degree body assembly line front spot visual inspection device - Google Patents
360 degree body assembly line front spot visual inspection device Download PDFInfo
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- CN204964406U CN204964406U CN201520736083.0U CN201520736083U CN204964406U CN 204964406 U CN204964406 U CN 204964406U CN 201520736083 U CN201520736083 U CN 201520736083U CN 204964406 U CN204964406 U CN 204964406U
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Abstract
The utility model provides a 360 degree body assembly line front spot visual inspection device, the device detects stations including two front and backs that set up on the assembly line conveyer belt to and set up at the assembly line conveyer belt with the detecting element of one side and fourth detecting element, setting the 2nd detecting element and the 3rd detecting element at assembly line conveyer belt opposite side, every detecting element constitutes by a set of camera and a set of light source. The utility model discloses the high speed of utilizing camera and light source expose characteristic and alternately formation of image of light path have realized the vision formation of image that covers the body side, and the prominent stain of body, damaged, overlap, deformation, the unequal industry defect of thin and thick adopt two detection stations that the distance is nearer, have improved space utilization, and compact structure is reasonable, and especially adapted high speed integrates machine vision detecting system to the high -efficient assembly line detecting and sorting's of body mesh has been realized.
Description
Technical field
The utility model relates to full-automatic machine technical field of vision detection, specifically light vision inspection apparatus before a kind of 360 degree of body streamlines.
Background technology
The optical visual detection system of plastic bottle generally adopts multiple light courcess polyphaser to work in coordination with exposal model, is placed in the homonymy of bottle, is identified the defective workmanship on body by the light and shade of pattern by camera and light source.Pick-up unit common in the market adopts four to detect station, and space availability ratio is low, loosely organized, cannot meet the needs of the integrated Machine Vision Inspecting System of current high speed.
Utility model content
The purpose of this utility model is to provide light vision inspection apparatus before a kind of compact conformation, rationally distributed 360 degree of body streamlines, can realize the 360 degree full visual angle imagings covering body side, the applicable integrated Machine Vision Inspecting System of high speed.
The technical solution of the utility model is:
Light vision inspection apparatus before a kind of 360 degree of body streamlines, this device comprises former and later two detection stations be arranged on streamline conveying belt, be designated as the first detection station and second respectively and detect station, and be arranged on the first detecting unit and the 4th detecting unit, the second detecting unit being arranged on streamline conveying belt opposite side and the 3rd detecting unit of streamline conveying belt the same side; Described first detecting unit is made up of first group of camera and first group of light source, described second detecting unit is made up of second group of camera and second group of light source, described 3rd detecting unit is made up of the 3rd group of camera and the 3rd group of light source, and described 4th detecting unit is made up of the 4th group of camera and the 4th group of light source; Described first detecting unit and the second detecting unit are used for taking pictures to the body that arrival first detects station successively, and described 3rd detecting unit and the 4th detecting unit are used for taking pictures to the body that arrival second detects station successively.
Light vision inspection apparatus before 360 degree of described body streamlines, described first group of camera, second group of camera, the optical axis of the 3rd group of camera and the 4th group of camera streamline conveying belt projection in the plane intersect formation square, and described foursquare diagonal line intersection point overlaps with two line mid points detecting station, described first detect optical axis that station is arranged on first group of camera and second group of camera streamline conveying belt projection infall in the plane, described second detect optical axis that station is arranged on the 3rd group of camera and the 4th group of camera streamline conveying belt projection infall in the plane.
Light vision inspection apparatus before 360 degree of described body streamlines, described first detecting unit and the second detecting unit distribute about the rotational symmetry that is wired to that two are detected station, and described 3rd detecting unit and the 4th detecting unit distribute about the rotational symmetry that is wired to that two are detected station; Described first detecting unit becomes rotational symmetry to distribute with the 4th detecting unit about the perpendicular bisector that two are detected station line, and described second detecting unit becomes rotational symmetry to distribute with the 3rd detecting unit about the perpendicular bisector that two are detected station line.
Light vision inspection apparatus before 360 degree of described body streamlines, described two distances detected between stations are less than the most bottle spacing on streamline conveying belt.
Light vision inspection apparatus before 360 degree of described body streamlines, often organizes camera and is made up of more than one industrial camera.
Light vision inspection apparatus before 360 degree of described body streamlines, often organize light source to form by two planar light sources, gap is provided with between described two planar light sources, and the axis of two planar light sources streamline conveying belt the angle that forms of projection be in the plane 5 ~ 10 degree, the optical axis of described folder bisector of angle and corresponding camera streamline conveying belt projection in the plane overlap.
Light vision inspection apparatus before 360 degree of described body streamlines, often organizes light source and all adopts middle part to offer the arc light source of through hole.
As shown from the above technical solution, the utility model solves body and detects multi-angle and efficiently to take pictures problem, camera and light source is arranged by the symmetria bilateralis at streamline conveying belt, organically camera and light source combination of two are formed a detecting unit, the high-speed exposure characteristic of camera and light source and light path is utilized to be crossed as picture, achieve the visual imaging covering body side, highlight the stain of body, defect, overlap, distortion, the industrial defect such as uneven distribution, adopt the detection station of two close together, improve space availability ratio, compact conformation is reasonable, very be applicable to the integrated Machine Vision Inspecting System of high speed, thus achieve the object of the high performance pipeline grouping system of body.
Accompanying drawing explanation
Fig. 1 is apparatus structure of the present utility model and light path schematic diagram;
Fig. 2 is perspective view of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, light vision inspection apparatus before a kind of 360 degree of body streamlines, comprises the first detection station 21 and second be arranged on streamline conveying belt 1 and detects station 22 and be symmetrically distributed in the first detecting unit of streamline conveying belt 1 both sides, the second detecting unit, the 3rd detecting unit and the 4th detecting unit.First detecting unit is made up of first group of camera 31 and first group of light source 41, second detecting unit is made up of second group of camera 32 and second group of light source 42,3rd detecting unit is made up of the 3rd group of camera 33 and the 3rd group of light source 43, and the 4th detecting unit is made up of the 4th group of camera 34 and the 4th group of light source 44.
First detecting unit and the second detecting unit distribute about the rotational symmetry that is wired to that two are detected station 21 and 22, and the 3rd detecting unit and the 4th detecting unit distribute about the rotational symmetry that is wired to that two are detected station 21 and 22; First detecting unit detects station 21 with the 4th detecting unit about two and becomes rotational symmetry to distribute with the perpendicular bisector of 22 lines, and the second detecting unit detects station 21 with the 3rd detecting unit about two and becomes rotational symmetry to distribute with the perpendicular bisector of 22 lines; First detecting unit and the 3rd detecting unit detect the mid point distribution in a center of symmetry of station 21 and 22 line about two, and the second detecting unit and the 4th detecting unit detect the mid point distribution in a center of symmetry of station 21 and 22 line about two.
Camera in each detecting unit and light source are positioned at the same side of streamline conveying belt 1, light detecting pattern before forming.Often organize camera to form (provide two in Fig. 2, take body main body and bottle mouth defect respectively) to multiple industrial camera by one, to realize the segmentation details imaging of body, increase imaging definition and resolution.When often organizing camera and adopting multiple industrial camera, guarantee each industrial camera streamline conveying belt 1 projection in the plane overlap.
In the present embodiment, first group of light source, 41, second group of light source 42, the 3rd group of light source 43 and the 4th group of light source 44 are formed by two planar light sources.Gap is provided with between two planar light sources often organized, and the axis of two planar light sources streamline conveying belt 1 the angle that forms of projection be in the plane 5 ~ 10 degree, the optical axis of this folder bisector of angle and corresponding camera streamline conveying belt 1 projection in the plane overlap.
The optical axis of first group of camera, 31, second group of camera 32, the 3rd group of camera 33 and the 4th group of camera 34 streamline conveying belt 1 projection in the plane intersect formation square, and this foursquare diagonal line intersection point overlaps with two line mid points detecting station 21 and 22.First detects optical axis that station 21 is arranged on first group of camera 31 and second group of camera 32 at streamline conveying belt 1 institute projection infall in the plane, the optical axis that the second detection station 22 is arranged on the 3rd group of camera 33 and the 4th group of camera 34 streamline conveying belt 1 projection infall in the plane.
Each detecting unit is responsible for taking a side of body, and four detecting units can whole sides of complete covering body.The camera exposure of each detecting unit is independent controlled for opportunity, and the light source of detecting unit inside triggers and camera exposure action simultaneously, ensures accuracy and the consistance of imaging.
Principle of work of the present utility model:
Bottle to be detected transports on streamline conveying belt 1, when running to the first detection station 21, first detecting unit and the second detecting unit can be taken pictures to above-mentioned bottle, because industrial camera is under the cooperation of planar light source, time shutter very short (being generally less than 200 microseconds), so the first detecting unit and the second detecting unit can one in front and one in back to be taken pictures imaging to bottle successively, and bottle apparent position within the time shutter that this is extremely short is motionless (if the speed of streamline conveying belt 1 is 1m/s, then bottle displacement is less than 0.2mm), can ensure that bottle image space is within the field range of industrial camera, and first detecting unit and the second detecting unit imaging be independent of each other.
When bottle runs to the second detection station 22, the 3rd detecting unit and the 4th detecting unit carry out front photo-beat photograph to bottle respectively, and photo opporunity is extremely short, and vial position is substantially constant, and the 3rd detecting unit and the 4th detecting unit do not interfere with each other.So far, four detecting units capture four sides of the bottle on streamline conveying belt 1, follow-uply position discriminance analysis by machine vision algorithm to image again, just can complete the judgement of technique non-defective unit and technique defect ware.
For preventing detecting unit from mutually disturbing, first detects station 21 and the second distance detected between station 22 need be less than most bottle spacing on streamline.Otherwise, have certain probability there will be to correspond to the different light source detecting station to be triggered the possibility lighted simultaneously.This point, is generally realized by prime " separating mechanism " in actual applications, or is realized by the feature of bottle-making machine own.
The above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (7)
1. light vision inspection apparatus before 360 degree of body streamlines, it is characterized in that: this device comprises former and later two detection stations be arranged on streamline conveying belt, be designated as the first detection station and second respectively and detect station, and be arranged on the first detecting unit and the 4th detecting unit, the second detecting unit being arranged on streamline conveying belt opposite side and the 3rd detecting unit of streamline conveying belt the same side; Described first detecting unit is made up of first group of camera and first group of light source, described second detecting unit is made up of second group of camera and second group of light source, described 3rd detecting unit is made up of the 3rd group of camera and the 3rd group of light source, and described 4th detecting unit is made up of the 4th group of camera and the 4th group of light source; Described first detecting unit and the second detecting unit are used for taking pictures to the body that arrival first detects station successively, and described 3rd detecting unit and the 4th detecting unit are used for taking pictures to the body that arrival second detects station successively.
2. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, it is characterized in that: described first group of camera, second group of camera, the optical axis of the 3rd group of camera and the 4th group of camera streamline conveying belt projection in the plane intersect formation square, and described foursquare diagonal line intersection point overlaps with two line mid points detecting station, described first detect optical axis that station is arranged on first group of camera and second group of camera streamline conveying belt projection infall in the plane, described second detect optical axis that station is arranged on the 3rd group of camera and the 4th group of camera streamline conveying belt projection infall in the plane.
3. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, it is characterized in that: described first detecting unit and the second detecting unit distribute about the rotational symmetry that is wired to that two are detected station, described 3rd detecting unit and the 4th detecting unit distribute about the rotational symmetry that is wired to that two are detected station; Described first detecting unit becomes rotational symmetry to distribute with the 4th detecting unit about the perpendicular bisector that two are detected station line, and described second detecting unit becomes rotational symmetry to distribute with the 3rd detecting unit about the perpendicular bisector that two are detected station line.
4. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, is characterized in that: described two distances detected between stations are less than the most bottle spacing on streamline conveying belt.
5. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, is characterized in that: often organize camera and be made up of more than one industrial camera.
6. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, it is characterized in that: often organize light source and form by two planar light sources, gap is provided with between described two planar light sources, and the axis of two planar light sources streamline conveying belt the angle that forms of projection be in the plane 5 ~ 10 degree, the optical axis of described folder bisector of angle and corresponding camera streamline conveying belt projection in the plane overlap.
7. light vision inspection apparatus before 360 degree of body streamlines according to claim 1, is characterized in that: often organize light source and all adopt middle part to offer the arc light source of through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520736083.0U CN204964406U (en) | 2015-09-22 | 2015-09-22 | 360 degree body assembly line front spot visual inspection device |
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| CN201520736083.0U CN204964406U (en) | 2015-09-22 | 2015-09-22 | 360 degree body assembly line front spot visual inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158266A (en) * | 2015-09-22 | 2015-12-16 | 安徽省科亿信息科技有限公司 | Device and method for 360-degree bottle body production line front-light vision inspection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158266A (en) * | 2015-09-22 | 2015-12-16 | 安徽省科亿信息科技有限公司 | Device and method for 360-degree bottle body production line front-light vision inspection |
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