CN106705853A - Imaging device for sorting machine - Google Patents
Imaging device for sorting machine Download PDFInfo
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- CN106705853A CN106705853A CN201710130538.8A CN201710130538A CN106705853A CN 106705853 A CN106705853 A CN 106705853A CN 201710130538 A CN201710130538 A CN 201710130538A CN 106705853 A CN106705853 A CN 106705853A
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- 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
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/043—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0691—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of objects while moving
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- 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
- G01B11/10—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
-
- 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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses an imaging device for a sorting machine. The imaging device is used for imaging a fastener on a transparent turntable of the sorting machine. The imaging device comprises a vertical imaging part and a horizontal imaging part, wherein the vertical imaging part comprises a vertical imaging camera which is used for shooting an image of the fastener on the transparent turntable along the vertical direction; the horizontal imaging part comprises at least one horizontal imaging camera used for shooting the image of the fastener on the transparent turntable along the horizontal direction; the horizontal imaging part and the vertical imaging part are arranged along the rotating direction of the transparent turntable. According to the imaging device, a camera imaging technique is adopted for imaging the fastener; the size of the fastener can be reasonably collected; the detection precision is promoted.
Description
Technical field
The present invention relates to a kind of separator imaging device.
Background technology
At present, separator is the important testing equipment and sorting unit of the products such as handware, fastener, electronic component,
It is used to separate the substandard product in these products and uncertain product from certified products.
Separator of the prior art is all to be specifically intended for making to send by regulation vibrating disk frequency, conveying tape speed or increase
The material uniform transfer dish base part of speed, reaches conveying detection parts to transparent rotation dish or divides by frequency, speed control
Distance is certain value between the part of scale, then by the tested parts signal transmission of sensor sensing to PLC, while PLC reads
Rotary encoder current location simultaneously preserves, and PLC feeds back signal to the phase unit that host computer gathers image, realizes to part diagram picture
Collection, and image processing system result is sent to PLC, PLC carries out internal data comparison, control signal transmission to sorting
Device, so that parts are carried out with qualified, unqualified and missing inspection sorting.In the process, due to data between host computer and PLC
Exchange existence time is poor, and IMAQ precision can also be deteriorated, and will influence final separation results, easily cause parts
Mistake choosing, this defect becomes apparent under high speed detection state, and uses the detection mode to be kept to realize the distance between parts
Unanimously, parts delivery end needs to increase programme-control or transfer unit, so as to substantially increase cost.No matter from economy
Or operability, this kind of detection mode cannot realize more accurately IMAQ, the effect of precisely sorting parts is reached
Really.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, there is provided a kind of separator imaging device,
It is imaged using camera imaging technology to fastener, can rationally gather the size of fastener, improves accuracy of detection.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of separator imaging device, it is used for dividing
The fastener in the transparent rotation dish of machine is selected to be imaged, it includes：
Vertical direction image-forming block, the vertical direction image-forming block is included for shooting the fastener in transparent rotation dish
The vertical image camera of image in vertical direction；
Horizontal direction image-forming block, the horizontal direction image-forming block includes that at least one is used to shoot transparent rotation dish
Fastener image in the horizontal direction horizontal imaging camera, the horizontal direction image-forming block and the vertical direction into
As part is set along the rotation direction of transparent rotation dish.
Further for enabling vertical image camera to be imaged in vertical direction to fastener well, the Vertical Square
To being provided with the vertical image camera light source that is oppositely arranged with the vertical image camera, the vertical imaging phase on image-forming block
Machine is arranged on the top of transparent rotation dish, and the vertical image camera light source is arranged on the lower section of transparent rotation dish.
Further for the position for adjusting vertical image camera, rational shooting focal length is reached, can be more preferable
Ground shoots fastener image in vertical direction, and the vertical direction image-forming block also includes being connected simultaneously with vertical image camera
Three-dimensional adjusting mechanism for adjusting the position of vertical image camera.
A kind of concrete structure of three-dimensional adjusting mechanism is further provided, to carry out three-dimensional tune to vertical image camera
Section, the three-dimensional adjusting mechanism include vertical imaging pedestal, vertical imaging transverse movable stand, vertical imaging vertically move frame and with
The vertical image camera is connected and the vertical image camera week for driving the vertical image camera to rotate in its circumferential direction
To rotary part, vertical imaging transverse movable stand is arranged on vertical imaging pedestal, and the vertical imaging vertically moves frame installation
On vertical imaging transverse movable stand, the vertical image camera part that rotates in a circumferential direction is arranged on vertical imaging and vertically moves frame
On, the driving vertical imaging transverse movement is provided between the vertical imaging pedestal and the vertical imaging transverse movable stand
The vertical imaging transverse moving drive mechanism of frame transverse shifting on vertical imaging pedestal, the vertical imaging transverse movable stand and
The vertical imaging to be vertically moved be provided between frame the driving vertical imaging and vertically move frame and moved in vertical imaging transverse
The vertical imaging vertically moved on frame vertically moves drive mechanism.
A kind of concrete structure of vertical imaging transverse moving drive mechanism is further provided, the vertical imaging transverse is moved
Dynamic drive mechanism includes vertical imaging transverse tooth bar and vertical imaging transverse gear, and the vertical imaging transverse tooth bar is arranged on institute
State on vertical imaging pedestal, the vertical imaging transverse gear is rotatably installed on vertical imaging transverse movable stand, described
Vertical imaging transverse gear is engaged with the vertical imaging transverse tooth bar；And/or the vertical imaging vertically moves drive mechanism
Including vertical imaging longitudinal rack and the longitudinal gear of vertical imaging, the vertical imaging longitudinal rack is arranged on the vertical imaging
On transverse shifting frame, the vertical longitudinal gear of imaging is rotatably installed in vertical imaging and vertically moves on frame, described vertical
The longitudinal gear of imaging is engaged with the vertical imaging longitudinal rack.
Further for enabling horizontal imaging camera to be imaged in the horizontal direction to fastener well, separator is imaged
Device also includes horizontal imaging camera light source, and the horizontal imaging camera light source is oppositely arranged with the horizontal imaging camera.
Further for the position of regulation horizontal imaging camera, rational shooting focal length, the horizontal direction are reached
Image-forming block also includes being connected with least one horizontal imaging camera and is adjusted for adjusting the three-dimensional of position of horizontal imaging camera
Nodule structure.
A kind of concrete structure of three-dimensional regulation structure is further provided, the three-dimensional regulation structure includes horizontal imaging base
Seat, horizontal imaging transverse shifting frame, horizontal imaging vertically move frame and at least one and are connected simultaneously with corresponding horizontal imaging camera
Horizontal imaging camera for driving corresponding horizontal imaging camera to rotate in its circumferential direction rotates in a circumferential direction part, and horizontal imaging is horizontal
It is arranged on horizontal imaging pedestal to movable stand, the horizontal imaging vertically moves frame installed in horizontal imaging transverse shifting frame
On, the horizontal imaging camera part that rotates in a circumferential direction is vertically moved on frame installed in horizontal imaging, the horizontal imaging pedestal and
The driving horizontal imaging transverse shifting frame is provided between the horizontal imaging transverse shifting frame horizontal on horizontal imaging pedestal
To mobile horizontal imaging transverse shifting drive mechanism, the horizontal imaging transverse shifting frame and the horizontal imaging are vertically moved
Be provided between frame drive the horizontal imaging vertically move level that frame vertically moves on horizontal imaging transverse shifting frame into
As vertically moving drive mechanism.
Further, the horizontal imaging transverse shifting drive mechanism includes horizontal imaging horizontal tooth bar and horizontal imaging transverse direction
Gear, the horizontal imaging horizontal tooth bar is arranged on the horizontal imaging pedestal, and the horizontal imaging transverse gear is rotatable
Ground is arranged on horizontal imaging transverse shifting frame, and the horizontal imaging transverse gear is engaged with the horizontal imaging horizontal tooth bar；
It is described and/or the horizontal imaging vertically moves drive mechanism and includes horizontal imaging longitudinal rack and horizontal imaging longitudinal direction gear
Horizontal imaging longitudinal rack is arranged on the horizontal imaging transverse shifting frame, and horizontal imaging longitudinal direction gear is rotatably pacified
Vertically moved on frame mounted in horizontal imaging, horizontal imaging longitudinal direction gear is engaged with the horizontal imaging longitudinal rack.
Further for making, transparent rotation dish translucency is good, and more conducively backlight is penetrated, and becomes apparent from the image of collection,
Detected size is more accurate, and the transparent rotation dish is made up of optical glass.
Further, the fastener is sunk head rivet, and the vertical image camera is provided with one, the vertical imaging phase
Machine is used to be obtained from image in vertical direction the diameter D of marginal ridge, and the horizontal imaging camera is provided with two, wherein one
Individual horizontal imaging camera is used in the image gone up from horizontal direction obtain the height h of rivet nut length H, the cone angle of the head of a nail and the head of a nail,
Another horizontal imaging camera is used to obtain shaft diameter in the image gone up from horizontal direction.
Further for the action of the vertical image camera of rational driving and horizontal imaging camera, separator imaging device is also wrapped
Include host computer and feel for sensing the position of fastener when the fastener rotation in transparent rotation dish to its corresponding position
Inductive sensing device, the location sensitive sensor is arranged on the upstream of image-forming block, and the vertical direction image-forming block corresponds to saturating
Vertical imaging station in bright rotation dish, the horizontal direction image-forming block corresponds to the horizontal imaging work in transparent rotation dish
Position, the transparent rotation dish is driven by motor and rotated, and is provided with the rotary shaft of the motor for by detecting rotation
The rotational angle of axle so as to obtain the rotational position detection device part of the turned position of transparent rotation dish, rotational position detection device part
The signal output part of signal output part and location sensitive sensor is connected with the host computer respectively, the host computer respectively with institute
State horizontal imaging camera to be connected with the control signal of the vertical image camera, the host computer is according to the sensing dress for receiving
Put the induced signal for sending, initial bit of the fastener that reading rotational position detection device part now is transmitted in transparent rotation dish
Confidence number, and corresponding fastener is obtained positioned at corresponding vertical imaging station and horizontal imaging work according to the initial position signal
The position signalling of position, it is described when the fastener turns to vertical imaging station or horizontal imaging station in transparent rotation dish
The corresponding vertical image camera of PC control or horizontal imaging camera act.
After employing above-mentioned technical proposal, the present invention shoots fastener figure in vertical direction by vertical image camera
Picture, so as to obtain relevant size of the fastener under upright projection, fastener is shot in the horizontal direction by horizontal imaging camera
On image, so as to obtain relevant size of the fastener under floor projection, so as to obtain required chi when fastener is sorted
It is very little, be conducive to follow-up sorting work.
Brief description of the drawings
Fig. 1 is the assembling stereogram of separator imaging device of the invention and transparent rotation dish；
Fig. 2 is the stereogram of vertical direction image-forming block of the invention；
Fig. 3 is the stereogram of horizontal direction image-forming block of the invention；
Fig. 4 is the installation stereogram of position sensor of the invention；
Fig. 5 is the structural representation one of sunk head rivet of the invention；
Fig. 6 is the structural representation two of sunk head rivet of the invention；
Fig. 7 is the structural representation three of sunk head rivet of the invention.
Specific embodiment
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail.
As shown in Fig. 1~7, a kind of separator imaging device, it is used for the fastening in the transparent rotation dish 10 of separator
Part 20 is imaged, and it includes：
Vertical direction image-forming block, the vertical direction image-forming block is included for shooting the fastening in transparent rotation dish 10
The vertical image camera 1 of the image in vertical direction of part 20；
Horizontal direction image-forming block, the horizontal direction image-forming block includes that at least one is used to shoot transparent rotation dish 10
On the image in the horizontal direction of fastener 20 horizontal imaging camera 2, the horizontal direction image-forming block and described vertical
Direction image-forming block is set along the rotation direction of transparent rotation dish 10.
In the present embodiment, as shown in Fig. 5~7, the fastener 20 is sunk head rivet, and sunk head rivet is sequentially placed into transparent
In rotation dish 10, in transparent rotation dish 10, upward, the bottom for following closely body is against transparent rotation dish 10 to ailhead, and vertical direction is for it
It is the axial direction of transparent rotation dish 10, horizontal direction is the direction against the side of sunk head rivet, and the vertical image camera 1 sets
One is equipped with, the vertical image camera 1 is used to be obtained from image in vertical direction the diameter D of marginal ridge, the level
Image camera 2 is provided with two, and one of horizontal imaging camera 2 is used to obtain rivet nut length in the image gone up from horizontal direction
The height h of H, the cone angle of the head of a nail and the head of a nail, another horizontal imaging camera 2 is used to be obtained in the image gone up from horizontal direction
Shaft diameter.
In order that vertical image camera 1 can be imaged in vertical direction to fastener 100 well, as shown in Fig. 2 institute
The vertical image camera light source 3 for being provided with vertical direction image-forming block and being oppositely arranged with the vertical image camera 1 is stated, it is described
Vertical image camera 1 is arranged on the top of transparent rotation dish 10, and the vertical image camera light source 3 is arranged on transparent rotation dish 10
Lower section.
As shown in Fig. 2 the vertical direction image-forming block also includes being connected with vertical image camera 1 and vertical for adjusting
The three-dimensional adjusting mechanism of the position of image camera 1；The three-dimensional adjusting mechanism includes vertical imaging pedestal 41, vertical imaging transverse
Movable stand 42, vertical imaging vertically move frame 43 and are connected with the vertical image camera 1 and for driving the vertical imaging
The vertical image camera that camera 1 rotates in its circumferential direction rotates in a circumferential direction part 44, and vertical imaging transverse movable stand 42 is arranged on and hangs down
On straight imaging pedestal 41, the vertical imaging vertically moves frame 43 and is arranged on vertical imaging transverse movable stand 42, described vertical
The image camera part 44 that rotates in a circumferential direction is arranged on vertical imaging and vertically moves on frame 43, the vertical imaging pedestal 41 and described hangs down
The driving vertical imaging transverse movable stand 42 is provided between straight imaging transverse movable stand 42 horizontal on vertical imaging pedestal 41
To mobile vertical imaging transverse moving drive mechanism, the vertical imaging transverse movable stand 42 and the vertical imaging longitudinal direction are moved
The driving vertical imaging is provided between moving frame 43 to vertically move frame 43 and vertically moved on vertical imaging transverse movable stand 42
Vertical imaging vertically move drive mechanism.
As shown in Fig. 2 the vertical imaging transverse moving drive mechanism include vertical imaging transverse tooth bar 45 and it is vertical into
As transverse gear, the vertical imaging transverse tooth bar 45 is arranged on the vertical imaging pedestal 41, the vertical imaging transverse
Gear 45 is rotatably installed on vertical imaging transverse movable stand 42, the vertical imaging transverse gear and the vertical imaging
Horizontal tooth bar 45 is engaged；The vertical imaging vertically moves drive mechanism includes that vertical imaging longitudinal rack 47 and vertical imaging are vertical
To gear, the vertical imaging longitudinal rack 47 is arranged on the vertical imaging transverse movable stand 42, and the vertical imaging is vertical
Vertical imaging is rotatably installed in gear to vertically move on frame 43, the vertical longitudinal gear of imaging and the vertical imaging
Longitudinal rack 47 is engaged；In the present embodiment, vertical imaging transverse gear and the longitudinal gear of vertical imaging can be by manual actuations
Its rotation, it is also possible to by its rotation of motorized motions；Manually or the vertical imaging transverse gear of electric rotary, it is possible to which regulation is hung down
The lateral attitude of straight image camera 1, manually or electric rotary is vertically imaged longitudinal gear, it is possible to the vertical imaging phase of regulation
The lengthwise position of machine 1；In addition, vertical image camera light source 3 is arranged on vertical imaging transverse movable stand 42, it also can be
Along what is vertically moved, convenient and vertical image camera 1 is adjusted together.
As shown in Fig. 1,4, separator imaging device also includes horizontal imaging camera light source 5, the horizontal imaging camera light
Source 5 is oppositely arranged with the horizontal imaging camera 2.
As shown in figure 3, the horizontal direction image-forming block also includes being connected and being used for at least one horizontal imaging camera 2
The three-dimensional regulation structure of the position of adjustment horizontal imaging camera 2；The three-dimensional regulation structure includes horizontal imaging pedestal 61, level
Imaging transverse movable stand 62, horizontal imaging vertically moves frame 63 and at least one and corresponding horizontal imaging camera 2 and is connected to be used in combination
Rotated in a circumferential direction part 64, horizontal imaging in the horizontal imaging camera for driving corresponding horizontal imaging camera 2 to rotate in its circumferential direction
Transverse shifting frame 62 is arranged on horizontal imaging pedestal 61, and the horizontal imaging vertically moves frame 63 installed in horizontal imaging transverse direction
On movable stand 62, the horizontal imaging camera part that rotates in a circumferential direction is vertically moved on frame 63 installed in horizontal imaging, the level
The driving horizontal imaging transverse shifting frame 62 is provided between imaging pedestal 61 and the horizontal imaging transverse shifting frame 62 to exist
The horizontal imaging transverse shifting drive mechanism of transverse shifting on horizontal imaging pedestal 61, the He of horizontal imaging transverse shifting frame 62
The horizontal imaging vertically moves and be provided between frame 63 the driving horizontal imaging and vertically move frame 63 in horizontal imaging transverse direction
The horizontal imaging vertically moved on movable stand 62 vertically moves drive mechanism；The horizontal imaging transverse shifting drive mechanism includes
Horizontal imaging horizontal tooth bar 65 and horizontal imaging transverse gear, the horizontal imaging horizontal tooth bar 65 are arranged on the horizontal imaging
On pedestal 61, the horizontal imaging transverse gear is rotatably installed on horizontal imaging transverse shifting frame 62, the level into
As transverse gear is engaged with the horizontal imaging horizontal tooth bar 65；And/or the horizontal imaging vertically moves drive mechanism and includes
Horizontal imaging longitudinal rack 67 and horizontal imaging longitudinal direction gear, the horizontal imaging longitudinal rack 67 are arranged on the horizontal imaging
On transverse shifting frame 62, horizontal imaging longitudinal direction gear is rotatably installed in horizontal imaging and vertically moves on frame 63, described
Horizontal imaging longitudinal direction gear is engaged with the horizontal imaging longitudinal rack 67；In the present embodiment, horizontal imaging transverse gear and
Horizontal imaging longitudinal direction gear can be by its rotation of manual actuation, it is also possible to by its rotation of motorized motions；Manually or electric rotating
Dynamic horizontal imaging transverse gear, it is possible to adjust the lateral attitude of horizontal imaging camera 2, manually or electric rotary level into
As longitudinal gear, it is possible to adjust the lengthwise position of horizontal imaging camera 2；When horizontal imaging camera 2 is two, two levels
Image camera 2 vertically moves the both sides of frame 63 installed in horizontal imaging by the horizontal imaging camera part 64 that rotates in a circumferential direction respectively,
And have sequencing in the rotation direction of transparent rotation dish 10.
In order that the translucency of transparent rotation dish 10 is good, more conducively backlight is penetrated, and becomes apparent from the image of collection, is detected
Size is more accurate, and the transparent rotation dish 10 is made up of optical glass, thus overcomes simple glass or PC classes are made
The defect being deteriorated with time lengthening light transmittance that transparent rotation dish 10 is present.
Separator imaging device also includes host computer and when the fastener 20 in transparent rotation dish 10 turns to its correspondence
Position when for sensing the location sensitive sensor 7 of fastener 20, the location sensitive sensor 7 is arranged on image-forming block
Upstream, the vertical direction image-forming block corresponds to the vertical imaging station in transparent rotation dish 10, the horizontal direction imaging
Part corresponds to the horizontal imaging station in transparent rotation dish 10, and the transparent rotation dish 10 is driven by motor and rotated, and institute
State the rotation being provided with the rotary shaft of motor for by detecting the rotational angle of rotary shaft so as to obtain transparent rotation dish 10
The rotational position detection device part of position, the signal output part of rotational position detection device part and the signal of location sensitive sensor 7 are defeated
Go out end be connected with the host computer respectively, the host computer respectively with the horizontal imaging camera 2 and the vertical image camera 1
Control signal be connected, the induced signal that the host computer sends according to the induction installation 4 for receiving, reading rotation now
Initial position signal of the fastener of position detection device transmission in transparent rotation dish 10, and obtained according to the initial position signal
The position signalling of corresponding vertical imaging station and horizontal imaging station is located to corresponding fastener 20, when the fastener 20 exists
When vertical imaging station or horizontal imaging station are turned in transparent rotation dish 10, the PC control is vertically imaged accordingly
Camera 1 or horizontal imaging camera 2 are acted；In the present embodiment, location sensitive sensor 7 is arranged on a support 71, and it is saturating
Positioned at the upstream of vertical direction image-forming block in the rotation direction of bright rotation dish 10, meanwhile, in order to simplify structure, the level into
As camera light source 5 may be mounted on the support 71, location sensitive sensor 7 and horizontal imaging camera light source 5 can be in supports
Vertically moved on 71, its respective position so as to reasonable adjusting, location sensitive sensor 7 to vertical image camera 1 is at transparent turn
Relative rotation position in the rotation direction of Moving plate 10 is a fixed value, and location sensitive sensor 7 to horizontal imaging camera 2 is transparent
Relative rotation position in the rotation direction of rotation dish 10 is another fixed value, so can be obtained by entering vertical image camera 1
Or horizontal imaging camera 2 gathers the circumferential distance within the vision of image, treat that transparent rotation dish 10 is turned to corresponding vertical
Turned position where image camera 1 or horizontal imaging camera 2, host computer will control the corresponding camera to carry out response shooting,
Location sensitive sensor 7 between vertical image camera or horizontal imaging camera 2 in the rotation direction of transparent rotation dish 10 away from
From being a definite value, and then fastener 20 is caused when feed device is transported in transparent rotation dish 10, without ensureing fastener
20 feeding frequency, is capable of achieving to carry out accurately IMAQ to each fastener 20, and each IMAQ is in camera imaging
Position deviation≤0.05mm within the vision, the mode simple structure of this collection image, the relative position between fastener 20
Put without any requirement with feeding frequency, using this IMAQ mode, IMAQ is more accurate reliable, eliminates front end pair
Regulation control, speed control of transparent rotation dish 10 of feeding frequency etc., greatly save time and cost.
During transparent rotation dish 10 is rotated, first pass through location sensitive sensor 7 and gather its position signalling, Ran Hou
The image in vertical direction of fastener 20 is shot by vertical image camera 1, the diameter D of marginal ridge is obtained, then by a level into
As camera 2 shoots the image in the horizontal direction of fastener 20, the height h of rivet nut length H, the cone angle of the head of a nail and the head of a nail is obtained；
Another image in the horizontal direction of fastener 20 is shot by another horizontal imaging camera 2 again, shaft diameter is obtained, can
Detected with path d1, d2, the d3 to rivet, realizing the mode of stepping has：1st, can be according to three arithmetic averages of diameter segment
Value, is output stepping value；2. can be output stepping value according to the maximum gauge in three diameter segments；3. can be according to three diameter segments
In minimum diameter for output stepping value.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effect carry out
Further describe, should be understood that and the foregoing is only specific embodiment of the invention, be not limited to this
Invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in this hair
Within bright protection domain.
Claims (12)
1. a kind of separator imaging device, it is used to carry out into the fastener (20) in the transparent rotation dish (10) of separator
Picture, it is characterised in that it includes image-forming block, has in the image-forming block：
Vertical direction image-forming block, the vertical direction image-forming block is included for shooting the fastener in transparent rotation dish (10)
(20) the vertical image camera (1) of image in vertical direction；
Horizontal direction image-forming block, the horizontal direction image-forming block includes that at least one is used to shoot transparent rotation dish (10)
Fastener (20) image in the horizontal direction horizontal imaging camera (2), the horizontal direction image-forming block and described hang down
Nogata is set to image-forming block along the rotation direction of transparent rotation dish (10).
2. separator imaging device according to claim 1, it is characterised in that：Set on the vertical direction image-forming block
There is the vertical image camera light source (3) being oppositely arranged with the vertical image camera (1), the vertical image camera (1) is set
In the top of transparent rotation dish (10), the vertical image camera light source (3) is arranged on the lower section of transparent rotation dish (10).
3. separator imaging device according to claim 1, it is characterised in that：The vertical direction image-forming block also includes
It is connected with vertical image camera (1) and for adjusting the three-dimensional adjusting mechanism of the position of vertical image camera (1).
4. separator imaging device according to claim 3, it is characterised in that：The three-dimensional adjusting mechanism include it is vertical into
As pedestal (41), vertical imaging transverse movable stand (42), vertical imaging vertically move frame (43) and with the vertical image camera
(1) it is connected and the vertical image camera for driving the vertical image camera (1) to rotate in its circumferential direction rotates in a circumferential direction part
(44), vertical imaging transverse movable stand (42) is imaged on pedestal (41) installed in vertical, and the vertical imaging vertically moves frame
(43) on vertical imaging transverse movable stand (42), the vertical image camera rotates in a circumferential direction part (44) installed in vertical
Imaging is vertically moved on frame (43), is set between vertical imaging pedestal (41) and the vertical imaging transverse movable stand (42)
Have and drive the vertical imaging transverse movable stand (42) vertical imaging transverse of transverse shifting on vertical imaging pedestal (41) to move
Dynamic drive mechanism, the vertical imaging transverse movable stand (42) and the vertical imaging are provided with drive between vertically moving frame (43)
The dynamic vertical imaging vertically moves the vertical imaging longitudinal direction that frame (43) is vertically moved on vertical imaging transverse movable stand (42)
Moving drive mechanism.
5. separator imaging device according to claim 4, it is characterised in that：The vertical imaging transverse movement driving machine
Structure includes vertical imaging transverse tooth bar (45) and vertical imaging transverse gear, and the vertical imaging transverse tooth bar (45) is installed in institute
State on vertical imaging pedestal (41), the vertical imaging transverse gear (45) is rotatably installed in vertical imaging transverse movable stand
(42) on, the vertical imaging transverse gear is engaged with the vertical imaging transverse tooth bar (45)；And/or the vertical imaging is indulged
Include vertical imaging longitudinal rack (47) and the longitudinal gear of vertical imaging, the vertical imaging longitudinal rack to moving drive mechanism
(47) on the vertical imaging transverse movable stand (42), the vertical longitudinal gear of imaging is rotatably installed in vertically
Imaging is vertically moved on frame (43), and the vertical longitudinal gear of imaging is engaged with vertical imaging longitudinal rack (47).
6. separator imaging device according to claim 1, it is characterised in that：Also include horizontal imaging camera light source (5),
The horizontal imaging camera light source (5) is oppositely arranged with the horizontal imaging camera (2).
7. separator imaging device according to claim 1, it is characterised in that：The horizontal direction image-forming block also includes
It is connected with least one horizontal imaging camera (2) and for adjusting the three-dimensional regulation structure of the position of horizontal imaging camera (2).
8. separator imaging device according to claim 7, it is characterised in that：The three-dimensional regulation structure include level into
As pedestal (61), horizontal imaging transverse shifting frame (62), horizontal imaging vertically move frame (63) and at least one with corresponding water
Flat image camera (2) is connected and the horizontal imaging camera for driving corresponding horizontal imaging camera (2) to rotate in its circumferential direction
Rotate in a circumferential direction part (64), horizontal imaging transverse shifting frame (62) on horizontal imaging pedestal (61), the horizontal imaging
Frame (63) is vertically moved on horizontal imaging transverse shifting frame (62), the horizontal imaging camera rotates in a circumferential direction part installation
Vertically moved on frame (63) in horizontal imaging, the horizontal imaging pedestal (61) and the horizontal imaging transverse shifting frame (62) it
Between be provided with the horizontal imaging for driving horizontal imaging transverse shifting frame (62) transverse shifting on horizontal imaging pedestal (61)
Transverse shifting drive mechanism, the horizontal imaging transverse shifting frame (62) and the horizontal imaging set between vertically moving frame (63)
Be equipped with drive the horizontal imaging vertically move level that frame (63) vertically moves on horizontal imaging transverse shifting frame (62) into
As vertically moving drive mechanism.
9. separator imaging device according to claim 8, it is characterised in that：The horizontal imaging transverse shifting driving machine
Structure includes horizontal imaging horizontal tooth bar (65) and horizontal imaging transverse gear, and the horizontal imaging horizontal tooth bar (65) is installed in institute
State on horizontal imaging pedestal (61), the horizontal imaging transverse gear is rotatably installed in horizontal imaging transverse shifting frame (62)
On, the horizontal imaging transverse gear is engaged with the horizontal imaging horizontal tooth bar (65)；And/or the horizontal imaging is longitudinally moved
Dynamic drive mechanism includes horizontal imaging longitudinal rack (67) and horizontal imaging longitudinal direction gear, the horizontal imaging longitudinal rack (67)
On the horizontal imaging transverse shifting frame (62), horizontal imaging longitudinal direction gear is rotatably installed in horizontal imaging
Vertically move on frame (63), horizontal imaging longitudinal direction gear is engaged with the horizontal imaging longitudinal rack (67).
10. separator imaging device according to claim 1, it is characterised in that：The transparent rotation dish (10) is by optics
Glass is made.
11. separator imaging devices according to claim 1, it is characterised in that：The fastener (20) is sunk head rivet,
The vertical image camera (1) is provided with one, and the vertical image camera (1) from image in vertical direction for obtaining
To the diameter D of marginal ridge, the horizontal imaging camera (2) is provided with two, and one of horizontal imaging camera (2) is for from level
The height h of rivet nut length H, the cone angle of the head of a nail and the head of a nail is obtained in image on direction, another horizontal imaging camera (2)
For obtaining shaft diameter in the image gone up from horizontal direction.
12. separator imaging devices according to claim 1, it is characterised in that：It also includes host computer and when transparent
It is used to sense the location sensitive sensing of fastener (20) when fastener (20) in rotation dish (10) turns to its corresponding position
Device (7), the location sensitive sensor (7) is arranged on the upstream of image-forming block, and the vertical direction image-forming block corresponds to saturating
Vertical imaging station on bright rotation dish (10), the horizontal direction image-forming block corresponds to the level in transparent rotation dish (10)
Imaging station, the transparent rotation dish (10) is driven by motor and rotated, and is provided with for leading in the rotary shaft of the motor
The rotational angle of detection rotary shaft is crossed so as to obtain the rotational position detection device part of the turned position of transparent rotation dish (10), is rotated
The signal output part of position detection device and the signal output part of location sensitive sensor (7) are connected with the host computer respectively,
Control signal of the host computer respectively with the horizontal imaging camera (2) and the vertical image camera (1) is connected, described
The induced signal that host computer sends according to the induction installation (4) for receiving, what the rotational position detection device part for reading now was transmitted
Initial position signal of the fastener in transparent rotation dish (10), and corresponding fastener is obtained according to the initial position signal
(20) positioned at corresponding vertical imaging station and the position signalling of horizontal imaging station, when the fastener (20) is in transparent rotation dish
(10) when vertical imaging station or horizontal imaging station are turned on, the corresponding vertical image camera (1) of the PC control
Or horizontal imaging camera (2) action.
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| CN201710130538.8A CN106705853A (en) | 2017-03-07 | 2017-03-07 | Imaging device for sorting machine |
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| CN201710130538.8A CN106705853A (en) | 2017-03-07 | 2017-03-07 | Imaging device for sorting machine |
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Cited By (1)
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