CN206208771U - A kind of gluing detection means of screw - Google Patents
A kind of gluing detection means of screw Download PDFInfo
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- CN206208771U CN206208771U CN201621344256.5U CN201621344256U CN206208771U CN 206208771 U CN206208771 U CN 206208771U CN 201621344256 U CN201621344256 U CN 201621344256U CN 206208771 U CN206208771 U CN 206208771U
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- detection zone
- gluing
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Abstract
The utility model is related to a kind of gluing detection means of screw.A kind of gluing detection means of screw, including side elevation image collecting mechanism and overhead view image collecting mechanism, arranging screws are on delivery platform, delivery platform can drive screw to be moved along the transmitting path of setting, side elevation image collecting mechanism includes the first light source and first camera, overhead view image collecting mechanism includes secondary light source and second camera, when screw is sent into side-looking detection zone by connecting gear, screw is around own axes rotation, first light source can illuminate screw, and first camera can repeatedly shoot and obtain screw from the side image for circling；When screw feeding is overlooked detection zone by connecting gear, secondary light source can illuminate screw, and second camera can shoot the image for obtaining screw overlook direction.The utility model effectively substitutes manual detection, and speed is fast, efficiency high and working stability；Gluing detection means is high to the glue of screw 100, head is stained with material, the testing result of seat surface starved is accurate, without missing inspection.
Description
Technical field
The utility model belongs to field of visual inspection, and in particular to a kind of gluing detection means of screw.
Background technology
, it is necessary to be detected to screw gluing situation in the industry of screw.Screw species is various, varies in color, gluing
Situation it is extremely complex, the dark screw of dark glue is particularly applied, it is difficult to detect.And the yield of screw gluing is very high, online
Detection speed requirement is quickly.
At present, the detection of screw gluing is detected mostly by artificial under line.But the labour intensity of manual detection is big,
Everyone execution to standard there is also difference, influence testing result, and error rate is high.And artificial efficiency is too low, cost is big, nothing
Method meets factory's high yield, the demand of low cost.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of screw for being capable of automatic detection screw gluing situation
Gluing detection means.
In order to solve the above-mentioned technical problem, a kind of technical scheme of the utility model use is：A kind of gluing inspection of screw
Survey device, including the connecting gear for drive screw, the side elevation image collection for gathering screw side-looking direction gluing situation
Mechanism and the overhead view image collecting mechanism for gathering screw overlook direction gluing situation, the connecting gear include that transmission is flat
Platform, multiple screws are sequentially arranged on delivery platform, and the delivery platform can drive screw to be moved along the transmitting path of setting,
Side-looking detection zone is disposed with the transmitting path and detection zone is overlooked, the side elevation image collecting mechanism is arranged on
Side-looking detection zone outside, the side elevation image collecting mechanism is included for the first light source and the to the illumination of side-looking detection zone
One camera, the camera lens angular field of view of the first camera can accommodate side-looking detection zone, and the overhead view image collecting mechanism sets
Put and overlook on the outside of detection zone, the overhead view image collecting mechanism is included for the secondary light source for overlooking detection zone illumination
And second camera, the camera lens angular field of view of the second camera can accommodate vertical view detection zone, and the gluing detection means is also
Free-wheeling system including being arranged on side-looking detection zone, the connecting gear can drive screw to sequentially pass through side-looking detection zone
With vertical view detection zone, when screw is sent into side-looking detection zone by connecting gear, the free-wheeling system is contacted and energy with screw
Drive screw during traveling around own axes rotation, first light source can shine the screw in side-looking detection zone
Bright, the first camera can repeatedly shoot and obtain the screw from the side image for circling；When connecting gear is by screw conveying
When entering to overlook detection zone, the secondary light source can illuminate the screw overlooked in detection zone, and the second camera can
Shoot the image for obtaining the screw overlook direction.
Specifically, the gluing detection means also includes controller, the difference that control first camera and second camera are taken pictures
The optoelectronic switch and rotation angle detector being connected with controller, the optoelectronic switch are arranged on screw approaching side regarding detection zone
Position at, when screw approaching side regard detection zone when, the optoelectronic switch can trigger controller control first camera start
Screw is taken pictures, the rotation angle detector can detect screw in the angular speed of side-looking detection zone rotation and be transferred to control
Device processed, the frequency that the controller is taken pictures according to the angular speed of screw rotation control first camera.
Preferably, the rotation angle detector is encoder, and the encoder is connected with free-wheeling system, works as free-wheeling system
When driving screw rotation, the rotating shaft of the encoder can be with screw synchronous axial system and the angle and spiral shell of the axis of rotation of encoder
The angle of silk rotation is identical.
Preferably, first light source is located at the same side of screw with first camera, and first light source is relative to first
Camera is the area source of prospect polishing.
Further, first light source is connected with controller, and the controller can control the first light source stroboscopic formula to send out
Light, the control first camera is taken pictures within the time for exposure of the first light source to screw.
Preferably, shadow shield is installed, the shadow shield can be in the light-emitting area of the first light source on first light source
Mobile adjustment position, the shadow shield can cover the part light-emitting area of the first light source.
Preferably, the gluing detection means also includes blast plate, and the blast plate is located at the side of screw and with first
Light source is relative, and the blast plate has reflective surface, and the reflective surface can reflect the light of the first light source and then improve the first phase
The lightness that machine shoots.
Specifically, the second camera is located at the top for overlooking detection zone, the camera lens of the second camera is down and right
Into the screw for overlooking detection zone.
Preferably, the secondary light source is annular light source, and the secondary light source is arranged on the camera lens and screw of second camera
Between.
Specifically, the controller is PLC.
It is referred to above to all around go up the inferior noun of locality, be to make in the normal of gluing detection means of the screw
Make what is defined in the orientation of used time.
Scope of the present utility model, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while
Other technical schemes for being combined and being formed by above-mentioned technical characteristic or its equivalent feature should be covered.Such as features described above
With it is disclosed herein（But it is not limited to）The technical scheme that technical characteristic with similar functions is replaced mutually and formed
Deng.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：Using side view
As collecting mechanism and overhead view image collecting mechanism are to side-looking direction and the IMAQ of overlook direction on screw, people is effectively substituted
Work detects, speed is fast, efficiency high and working stability, greatlys save the labor cost of factory, and can realize 24 hours not
Interruption production, greatly improved production capacity；Gluing detection means is high to the glue of screw 100, the detection knot that head is stained with material, seat surface starved
Fruit is accurate, without missing inspection.
Brief description of the drawings
Fig. 1 is the screw schematic perspective view of gluing；
Fig. 2 is the screw top view of gluing；
Fig. 3 is the screw front view of gluing；
Fig. 4 is the dimensional structure diagram of gluing detection means one of the utility model screw；
Fig. 5 is another dimensional structure diagram of gluing detection means of the utility model screw；
Fig. 6 is the close-up schematic view at A in Fig. 5；
Fig. 7 is the another dimensional structure diagram of gluing detection means of the utility model screw；
Wherein：1st, the first light source；2nd, first camera；3rd, secondary light source；4th, second camera；5th, optoelectronic switch；6th, encoder；
7th, shadow shield；8th, blast plate；100th, screw；101st, glue；102nd, viscose glue portion；103rd, starved portion；104th, Jiao Chu is played.
Specific embodiment
As shown in Figure 1 to Figure 3, when high-volume carries out spreading glue 101 to screw 100, due to operation and technique
Problem, sometimes the head in screw 100 there is the situation of viscose glue, that is, the viscose glue portion 102 for illustrating；Also sometimes in screw 100
Head seat surface on there is the situation of starved, that is, the starved portion 103 for illustrating.These situations are required for avoiding, in order to reject presence
The gluing screw 100 of these defects, employs gluing detection means as described below and is detected, following gluing detection means
The glue H high of gluing on screw 100 can also be detected.
As shown in Figures 4 to 7, the gluing detection means of a kind of screw described in the utility model, including for transmitting spiral shell
The connecting gear of silk 100（It is not shown）, side elevation image collecting mechanism for gathering the side-looking direction gluing situation of screw 100 and use
In overhead view image collecting mechanism, the controller of the collection overlook direction gluing situation of screw 100（It is not shown）And respectively with control
The optoelectronic switch 5 and rotation angle detector of device connection.In the present embodiment, the controller uses PLC, the rotation
Angle detector uses encoder 6.PLC is gathered with connecting gear, side elevation image collecting mechanism and overhead view image respectively
Mechanism connects and controls connecting gear, side elevation image collecting mechanism and overhead view image collecting mechanism work.
The connecting gear includes delivery platform, and multiple screws 100 are sequentially arranged on delivery platform, the delivery platform
Screw 100 can be driven to be moved along the transmitting path of setting.Side-looking detection zone is disposed with the transmitting path and is bowed
Depending on detection zone, the side elevation image collecting mechanism is arranged on side-looking detection zone outside, in the present embodiment, using can be dynamic
Force mechanisms drive the rotating disk of lower rotation（It is not shown）As the delivery platform of drive screw 100, the screw 100 along rotating disk side
Edge is circumferentially arranged.Screw 100 with rotating disk from then the center revolution of the disk that rotates and sequentially pass through side-looking detection zone and vertical view
Detection zone.
Due to the side gluing anisotropy of screw 100, it is necessary to carry out 360 degree of detections to the coated face of screw 100.This practicality is new
Type realizes the IMAQ of the screw coated face of 100 1 weeks by side elevation image collecting mechanism.The side elevation image collecting mechanism
Including the side for the first light source 1 illuminated to side-looking detection zone and for shooting the screw 100 in side-looking detection zone
The first camera 2 of image.The camera lens angular field of view of the first camera 2 can accommodate side-looking detection zone.The gluing detection
Device also includes being arranged on the free-wheeling system of side-looking detection zone（It is not shown）.When screw 100 is sent into side-looking inspection by connecting gear
When surveying region, the free-wheeling system is contacted with screw 100 and can drive screw 100 during traveling around own axes rotation.
In the present embodiment, free-wheeling system uses a belt gear, and screw 100 is removably installed on a tool, tool
Periphery there is periphery, tool is rotated with rotating disk and advanced, when tool and the belt contacts of belt gear, belt operating,
In the presence of frictional force, tool is close to belt rotation and then drives the rotation of screw 100.Side-looking detection zone internal thread around
Around own axes rotation while center of turntable revolution.
First light source 1 can illuminate the screw 100 in side-looking detection zone, and the first camera 2 can be multiple
Shoot and obtain the screw 100 from the side image for circling.Specifically, the optoelectronic switch 5 is arranged on side-looking detection zone
The porch in domain, when the approaching side of screw 100 regards detection zone, the optoelectronic switch 5 can trigger PLC control first
Camera 2 starts to take pictures screw 100.The rotating shaft of the encoder 6 is connected with the belt contacts of free-wheeling system, when free-wheeling system band
During dynamic 100 rotation of screw, the rotating shaft of the encoder 6 can under the drive of belt with the synchronous axial system of screw 100 and encoder 6
Axis of rotation angle it is identical with the angle of the rotation of screw 100, therefore the encoder 6 can detect screw 100 in side-looking
The angle of detection zone rotation rotation is simultaneously transferred to PLC.The angle that the PLC is rotated according to the rotation of screw 100
The degree control frequency taken pictures of first camera 2, it is ensured that screw 100 by side-looking detection zone during first camera 2 by many
Minor tick shoots and obtains screw 100 from the side image for circling, and PLC can be by more than 2 photograph of shooting of first camera
Piece splicing obtains the side of screw 100 image of complete a week.
First light source 1 is located at the same side of screw 100 with first camera 2, and first light source 1 is relative to the first phase
Machine 2 is the area source of prospect polishing.So, the first light source 1 can illuminate a panel region of the side of screw 100, quilt on screw 100
The region illuminated can be reflective, and first camera 2 can clearly photograph the side image of the screw 100 in the region.Described first
Light source 1 is connected with PLC, and first light source 1 uses high bright light source, and illumination is up to 100000Lx, due to hair
Heat is larger, so the first light source 1 is unable to Chang Liang.In the present embodiment, the PLC can control the stroboscopic of the first light source 1
Formula is lighted, and the PLC control first camera 2 is taken pictures within the time for exposure of the first light source 1 to screw 100.According to spiral shell
Silk 100 and glue color set the time for exposure of the first light source 1, are directed to black screw 100 and glue, first in the present embodiment
The time for exposure of light source 1 is set to 0.2ms, that is, can guarantee that the image not smear that first camera 2 shoots, and ensures that black product is strong again
Strong is reflective.If light-coloured prods, need to only heighten the time for exposure can be compatible different with regard to that can meet requirement, first light source 1
The product of color.
Further, since 104 light for having certain gradient, the first light source 1 at glue that rise of screw 100 have made Jiao Chu be beaten bright,
Non- glue bearing areas can also be beaten bright on screw 100 simultaneously, thus be unfavorable for having highlighted the position of glue.Therefore, the present embodiment
Shadow shield 7 is installed, the shadow shield 7 can move adjustment position, institute in the light-emitting area of the first light source 1 on first light source 1
Stating shadow shield 7 can cover the part light-emitting area of the first light source 1.Shadow shield 7 is adjusted to rising 104 at glue against screw 100,
So that to rise 104 do not beaten bright at glue, and the region not being gummed on screw 100 is beaten bright strongly reflective, it is aobvious at first camera 2
It is now highlight regions, so that 104 image clearly is visible at a glue of the shooting of first camera 2.Gathered by side elevation image
After mechanism obtains a glue position of screw 100, you can the glue of gluing is high on measurement screw 100.In the head of screw 100 by the first light
The region that source 1 is illuminated, sees the viscose glue situation of the head of screw 100 in which can be apparent from, and what is manifested at first camera 2 is exactly viscous
Jiao Chu is the point of black, and by given threshold, the screw 100 of viscose glue at material is stained with screening.
The gluing detection means also include blast plate 8, the blast plate 8 be located at screw 100 side and with the first light
Source 1 is relative, and the blast plate 8 has reflective surface, and the reflective surface can reflect the light of the first light source 1 and then improve the first phase
The lightness that machine 2 shoots.
The overhead view image collecting mechanism is arranged on vertical view detection zone outside.The overhead view image collecting mechanism includes using
In to the secondary light source 3 and second camera 4 for overlooking detection zone illumination.The camera lens angular field of view of the second camera 4 can be held
Receive vertical view detection zone.Specifically, the second camera 4 is located at the top for overlooking detection zone, the mirror of the second camera 4
It is upside down and opposite into the screw 100 for overlooking detection zone.The secondary light source 3 is annular light source, and the secondary light source 3 sets
Put between the camera lens and screw 100 of second camera 4.
When screw 100 is sent into vertical view detection zone by connecting gear, the secondary light source 3 can will overlook detection zone
Interior screw 100 illuminates, and the second camera 4 can shoot the image for obtaining the overlook direction of screw 100.In secondary light source
Under 3 irradiation, if occurring the situation of starved in the head base of screw 100, starved area light reflection is very strong, by the second phase
Machine 4 can screen the screw 100 of head base starved.
By side elevation image collecting mechanism and overhead view image collecting mechanism to the side-looking direction and overlook direction on screw 100
IMAQ, be obtained in that side, top surface, the image of head base of screw 100, figure is automatically analyzed by controller
, can there is viscose glue, the screw 100 of starved at fast resolution and reject it, and detect the glue of the gluing for obtaining screw 100 in picture
H high.Substitute manual detection using gluing detection means described in the utility model, i.e., it is efficiently and stable, greatly save factory
Labor cost, and uninterrupted production in 24 hours can be realized, production capacity greatly improved., head high to the glue of screw 100 is stained with
Material, seat surface starved testing result it is accurate.Side elevation image collecting mechanism, overhead view image collecting mechanism and miscellaneous part are moulds
Blockization is integrated, it is easy to the maintaining in later stage.
As described above, we are illustrated fully according to objective of the present utility model, but the utility model not limits to
In above-described embodiment and implementation.The practitioner of correlative technology field can be in the scope of technological thought of the present utility model license
Inside carry out different changes and implementation.
Claims (10)
1. the gluing detection means of a kind of screw, it is characterised in that：Including for drive screw（100）Connecting gear, be used for
Collection screw（100）The side elevation image collecting mechanism of side-looking direction gluing situation and for gathering screw（100）Overlook direction is applied
The overhead view image collecting mechanism of glue situation, the connecting gear includes delivery platform, multiple screws（100）It is sequentially arranged in transmission
On platform, the delivery platform can drive screw（100）Along the transmitting path movement of setting, set successively in the transmitting path
It is equipped with side-looking detection zone and overlooks detection zone, the side elevation image collecting mechanism is arranged on side-looking detection zone outside, institute
Stating side elevation image collecting mechanism is included for the first light source to the illumination of side-looking detection zone（1）And first camera（2）, described
One camera（2）Camera lens angular field of view can accommodate side-looking detection zone, the overhead view image collecting mechanism is arranged on vertical view inspection
Areas outside is surveyed, the overhead view image collecting mechanism is included for the secondary light source for overlooking detection zone illumination（3）With second
Camera（4）, the second camera（4）Camera lens angular field of view can accommodate vertical view detection zone, the gluing detection means is also
Free-wheeling system including being arranged on side-looking detection zone, the connecting gear can drive screw（100）Sequentially pass through side-looking inspection
Survey region and overlook detection zone, when connecting gear is by screw（100）During feeding side-looking detection zone, the free-wheeling system and spiral shell
Silk（100）Contact and screw can be driven（100）Around own axes rotation during traveling, first light source（1）Can be by
Screw in side-looking detection zone（100）Illuminate, the first camera（2）The acquisition screw can repeatedly be shot（100）From
The side image for circling；When connecting gear is by screw（100）When feeding overlooks detection zone, the secondary light source（3）Can
The screw in detection zone will be overlooked（100）Illuminate, the second camera（4）The acquisition screw can be shot（100）Overlook
The image in direction.
2. the gluing detection means of a kind of screw according to claim 1, it is characterised in that：The gluing detection means is also
Including control first camera（2）And second camera（4）The controller taken pictures, the optoelectronic switch being connected with controller respectively（5）With
Rotation angle detector, the optoelectronic switch（5）It is arranged on screw（100）Approaching side is regarded at the position of detection zone, works as screw
（100）When approaching side regards detection zone, the optoelectronic switch（5）Being capable of trigger controller control first camera（2）Start to spiral shell
Silk（100）Take pictures, the rotation angle detector can detect screw（100）Side-looking detection zone rotation angular speed and pass
Controller is defeated by, the controller is according to screw（100）The angular speed control first camera of rotation（2）The frequency taken pictures.
3. the gluing detection means of a kind of screw according to claim 2, it is characterised in that：The rotation angle detector
It is encoder（6）, the encoder（6）It is connected with free-wheeling system, when free-wheeling system drives screw（100）During rotation, the volume
Code device（6）Rotating shaft can be with screw（100）Synchronous axial system and encoder（6）Axis of rotation angle and screw（100）From
The angle for turning is identical.
4. the gluing detection means of a kind of screw according to claim 2, it is characterised in that：First light source（1）With
First camera（2）Positioned at screw（100）The same side, first light source（1）Relative to first camera（2）It is prospect polishing
Area source.
5. the gluing detection means of a kind of screw according to claim 4, it is characterised in that：First light source（1）With
Controller is connected, and the controller can control the first light source（1）Strobe type lights, the control first camera（2）First
Light source（1）Time for exposure in screw（100）Take pictures.
6. the gluing detection means of a kind of screw according to claim 4, it is characterised in that：First light source（1）On
Shadow shield is installed（7）, the shadow shield（7）Can be in the first light source（1）Light-emitting area on mobile adjustment position, the shading
Plate（7）The first light source can be covered（1）Part light-emitting area.
7. the gluing detection means of a kind of screw according to claim 4, it is characterised in that：The gluing detection means is also
Including blast plate（8）, the blast plate（8）Positioned at screw（100）Side and with the first light source（1）Relatively, the blast plate
（8）With reflective surface, the reflective surface can reflect the first light source（1）Light so that improve first camera（2）The photograph of shooting
Piece brightness.
8. the gluing detection means of a kind of screw according to claim 1, it is characterised in that：The second camera（4）Position
In the top for overlooking detection zone, the second camera（4）Camera lens down and against enter overlook detection zone screw
（100）.
9. the gluing detection means of a kind of screw according to claim 8, it is characterised in that：The secondary light source（3）For
Annular light source, the secondary light source（3）It is arranged on second camera（4）Camera lens and screw（100）Between.
10. the gluing detection means of a kind of screw according to claim 2, it is characterised in that：The controller is controlled for PLC
Device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344256.5U CN206208771U (en) | 2016-12-08 | 2016-12-08 | A kind of gluing detection means of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344256.5U CN206208771U (en) | 2016-12-08 | 2016-12-08 | A kind of gluing detection means of screw |
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| Publication Number | Publication Date |
|---|---|
| CN206208771U true CN206208771U (en) | 2017-05-31 |
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ID=58746562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621344256.5U Active CN206208771U (en) | 2016-12-08 | 2016-12-08 | A kind of gluing detection means of screw |
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| Country | Link |
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| CN (1) | CN206208771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645151A (en) * | 2016-12-08 | 2017-05-10 | 苏州德创测控科技有限公司 | Gluing detection device for screws |
-
2016
- 2016-12-08 CN CN201621344256.5U patent/CN206208771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645151A (en) * | 2016-12-08 | 2017-05-10 | 苏州德创测控科技有限公司 | Gluing detection device for screws |
| CN106645151B (en) * | 2016-12-08 | 2024-03-08 | 苏州德创测控科技有限公司 | Gluing detection device for screws |
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