CN103196925B - A kind of device adopting imaging identification to detect pull head - Google Patents
A kind of device adopting imaging identification to detect pull head Download PDFInfo
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- CN103196925B CN103196925B CN201310103609.7A CN201310103609A CN103196925B CN 103196925 B CN103196925 B CN 103196925B CN 201310103609 A CN201310103609 A CN 201310103609A CN 103196925 B CN103196925 B CN 103196925B
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- rotating disk
- conveying belt
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- pull head
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Abstract
The invention discloses a kind of device adopting camera to detect pull head, comprise conveying belt and rotating disk, described conveying belt is provided with the equal synchronous hole of spacing continuously along throughput direction, the circumferential lateral surface of described rotating disk is provided with the synchronous gear matched with synchronous hole, and conveying belt and rotating disk to be cooperatively interacted transmission by synchronous hole and synchronous gear; Described conveying belt is also provided with the locating slot for locating pull head; Described rotating disk is also provided with and triggers hole one to one with synchronous gear; Also comprise sensor, controller and some cameras being located at conveying belt week side, described sensor is connected with controller, and described controller is connected with camera, and controller is used for the signal of receiving sensor and controls the shooting action of camera; Described sensor towards triggering hole, for respond to trigger hole change and send signal.Device of the present invention has continued operation, precisely controls to detect the effect of pull head, effectively improves the efficiency and production operation efficiency that detect pull head.
Description
Technical field
The present invention relates to zipper head detection field, be specifically related to a kind of device adopting imaging identification to detect zipper head.
Background technology
In the Production and Packaging link of zipper head; often having damaged pull head substandard products is mixed in intact pull head product; in packaging, storage, transportation; also likely a small amount of pull head of different model, different plate is mixed in the product; if the pull head of these substandard products, different model is sold to dress manufacture man use; or dress manufacture man oneself has mixed the pull head of other models, brand when storing in a warehouse, the finished product that result causes clothes, suitcase etc. to use slide fastener has caused unnecessary loss owing to employing these substandard products pull heads and batch mixing pull head.
Usually adopt the method for hand picking in prior art, reject substandard products and batch mixing product, but this method workload is large, cost is high.And due to reasons such as pull head volume are little, amount large, defect is not obvious, the easy visual fatigue of hand picking, selects degree of accuracy inadequate.Someone have devised the method adopting imaging identification system intelligence to detect substandard products afterwards, and as described in patented claim CN201110403900, but its object detected is zipper tooth, but not pull head.
Image recognition technology is prior art, although have application in slide fastener field, is limited to the reason of utility appliance, and its detection efficiency is often not high, can not meet the requirement of mass detection pull head.
Summary of the invention
The object of the invention is to for solving the problem, providing a kind of pick-up unit adopting camera to detect pull head, it improves the effect of detection efficiency for having in imaging identification system.
For realizing the technical scheme that object of the present invention adopts: a kind of device adopting camera to detect pull head, comprise conveying belt and rotating disk, described conveying belt is provided with the equal synchronous hole of spacing continuously along throughput direction, the circumferential lateral surface of described rotating disk is provided with the synchronous gear matched with synchronous hole, and conveying belt and rotating disk to be cooperatively interacted transmission by synchronous hole and synchronous gear; Described conveying belt is also provided with the locating slot for locating pull head; Described rotating disk is also provided with the triggering hole corresponding with synchronous gear; Also comprise sensor, controller and some cameras being located at conveying belt week side, described sensor is connected with controller, and described controller is connected with camera, and controller is used for the signal of receiving sensor and controls the shooting action of camera; Described sensor is for detecting the change in location situation in triggering hole and sending signal.
The device of detection pull head of the present invention, between locating slot, synchronous hole, synchronous gear and triggering hole, there is corresponding relation accurately, the corresponding synchronous hole of locating slot, the corresponding synchronous gear in synchronous hole, conveying belt and rotating disk carry out transmission by the synchronous hole of occlusion mutually and synchronous gear, trigger the corresponding synchronous gear in hole, thus, trigger the locating slot of the corresponding certain position in hole, when sensor sensing triggers the change in location in hole, induced signal sends to controller, controller and then control camera according to signal and take corresponding pull head, and record position relation.Device of the present invention has the effect of continued operation, the accurate auxiliary detection pull head controlled, and improves detection efficiency, production efficiency.
Preferably, also comprise push rod and drives structure, the upside of conveying belt is located at by push rod, and its one end is towards the pulling-on piece of the pull head of softened state; Push rod is connected with drives structure, and does showdown action to the pulling-on piece of softened state under the driving of drives structure.This improvement project is applicable to the pull head of elasticity interconnection system pulling-on piece, and pulling-on piece under the elastic force effect of spring or shell fragment, and can form certain angle between pull head body and fix, and needs the location status that could be changed pulling-on piece by extra acting force.
Preferably, at least comprise a camera be located on the downside of conveying belt, its shooting direction is towards the pulling-on piece of softened state.When pulling-on piece is in " strutting " state, for taking the lower surface of pulling-on piece.
Preferably, at least comprise two cameras, be located at the both sides of conveying belt respectively, its shooting direction is towards pull head direction.Can be used for two sides taking pull head.
Preferably, described rotating disk is active rotating disk or passive rotating disk, and rotating disk rotates in the horizontal direction; Described conveying belt, around the known cornerite of the circumferential lateral surface angulation of rotating disk, at least has two and is in interlocking pattern to synchronous hole and synchronous gear within the scope of cornerite.
Transport tape is banded structure, and its preferred complete structure is the loop structure that head and the tail connect, and forms certain cornerite, can ensure the compact siro spinning technology between conveying belt and rotating disk to rotating disk, and the phenomenon taking off tooth, skidding when being engaged can not occur.
Preferably, within the scope of described cornerite, the inside surface of conveying belt and the circumferential lateral surface of rotating disk offset; The described lower edge of rotating disk circumferential lateral surface flushes with the lower edge of conveying belt, and the upper limb of rotating disk circumferential lateral surface is higher than synchronous hole and lower than locating slot.
Conveying belt in this programme is the vertical setting of side, and in order to keep and firm conveying belt, the belt surface of conveying belt is preferably close to the side of rotating disk, and reaches certain contact width in a vertical direction, can ensure that conveying belt can not rock.
Preferably, synchronous gear is evenly arranged along rotating disk circumferential lateral surface circumference, and the arc length between synchronous gear equals the spacing between the synchronous hole of conveying belt.
Preferably, the upper surface of rotating disk is located in described triggering hole, and equidistantly arranges along the circumferencial direction coaxial with rotating disk; Described triggering hole is the cavernous structure be formed on rotating disk, and each triggers hole and is located on the equal angular direction of rotating disk with corresponding synchronous gear.The setting of this programme is beneficial to the processing of rotating disk, installation and setting parameter.
In addition, trigger the circumferential lateral surface that rotating disk can also be located in hole, corresponding up and down with synchronous gear, now the sensed position of sensor should do accommodation.
Preferably, the upside of conveying belt is located at by described locating slot, and locating slot is corresponding with synchronous hole, and the spacing between each locating slot is equal.The setting of this programme is beneficial to the processing of conveying belt, installation and setting parameter, and the material loading etc. of pull head.
Preferably, described camera is connected with image identification system, and image identification system identifies the image information received and judges, and exports result of determination.
Camera is used for being connected with image identification system, and whether the picture signal of shooting carries out detection contrast for image identification system: have material to detect, and overall size contrast detects, and color contrast detects, and flaw contrast detects, and LOGO shape, size comparison detect.After judgement, rear operation by certified products and unacceptable product shunting, reaches the object that inspection is distinguished automatically.
Accompanying drawing explanation
Fig. 1 is that the present invention adopts camera to detect the structural representation of puller device
Fig. 2 is the partial structurtes schematic diagram of the conveying belt of apparatus of the present invention
Fig. 3 is the structural representation of the push rod collapsed state of apparatus of the present invention
Fig. 4 is the structural representation that the push rod of apparatus of the present invention pushes state
Fig. 5 is the pull head image schematic diagram that first camera of apparatus of the present invention photographs
Fig. 6 is the pull head image schematic diagram that the second camera of apparatus of the present invention photographs
Fig. 7 is the pull head image schematic diagram that the 3rd camera of apparatus of the present invention photographs
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Pull head of the present invention detects, and generally speaking, comprises the detection of batch mixing pull head and substandard products pull head; Namely by making a video recording from the angle of one or more setting to pull head, identifying processing, thus by batch mixing and bad part eject.Inventor finds through research and analysis, and the distinguishing characteristics of batch mixing pull head and normal pull head generally comprises as inconsistent in size, that shape is inconsistent and LOGO is inconsistent situation, on the back side that the LOGO of pull head is generally printed on pull head or pulling-on piece; And substandard products pull head, be usually expressed as the wearing and tearing of pull head itself, defect, LOGO print unclear etc., Screening Treatment can be carried out by the technology of imaging identification.
For the kind of pull head, common, the pulling-on piece of some pull heads with between pull head body for being flexibly connected, pulling-on piece can naturally droop under gravity; The pulling-on piece of some pull heads with between pull head body for elasticity is connected, under the elastic force effect of spring or shell fragment, can certain angle be formed between pulling-on piece and pull head body and fix, needing the location status that could be changed pulling-on piece by extra acting force.
Embodiment one:
In the present embodiment one, devise a kind of specially for the pull head pick-up unit of elasticity interconnection system pulling-on piece, as shown in Figure 1 to Figure 3, pulling-on piece 11 state that maintenance level struts under elastic force effect of pull head 1, until pulling-on piece 11 vertically pushes over downwards by push rod 32.
A kind of device adopting camera to detect pull head of the present embodiment, comprises transport tape 2 and rotating disk 5, and is located at push rod 32, first camera 4a, second camera 4b and the 3rd camera 4c of transport tape 2 weeks sides.
Described transport tape 2 is banded structure, illustrate only the part-structure of transport tape 2 in Fig. 1, and its complete structure is preferably the loop structure that head and the tail connect.The upside of transport tape 2 is provided with the some locating slots 21 for fixing pull head 1, show as the channel-shaped breach on transport tape 2, there are two sides imported, be arranged to close with riveted plate girder position 13 matching form of pull head 1, during pull head 1 blanking, locating slot 21 plays the automatic positioning action in correcting effect and course of conveying; Equidistantly arrange between each locating slot 21.The riveted plate girder position 13 i.e. working position of open chain of described pull head 1.
The middle part of transport tape 2 or middle part position on the lower side is provided with some synchronous holes 22, and equidistantly arrange between each synchronous hole 22, synchronous hole 22 can be square or circular perforation.Preferably design as one: the corresponding synchronous hole 22 of each locating slot 21, as shown in Figure 2, locating slot 21 and synchronous hole 22 is coaxial, spaced set, the distance d namely between two synchronous holes 22 is consistent with the distance d between two locating slots 21.
Conveying belt 2 preferentially selects stainless steel, has and not easily elongates, the feature of not easily getting rusty, and ensure that spacing steady in a long-term between synchronous hole, and does not defocus during shooting, ensures photographic effect and judges effect.
The circumferential lateral surface of described rotating disk 5 is provided with the synchronous gear 51 corresponding with synchronous hole 22, and the arc length between synchronous gear 51 just equals the spacing on conveying belt between synchronous hole 22.Conveying belt 2, around the circumferential lateral surface of rotating disk 5, forms certain cornerite to rotating disk 5, and synchronous gear 51 and synchronous hole 22 are engaged mutually.Rotating disk 5 can be active rotating disk, can also be passive rotating disk; During as active rotating disk, rotating disk passes through synchronous gear 51 to the snap-in force in synchronous hole 22, the transmission of driving conveying belt 2; During as passive rotating disk, conveying belt 2, by the snap-in force of the 22 pairs of synchronous gears 51 in synchronous hole, drives the rotation of rotating disk 5.In embodiment illustrated in fig. 1, rotating disk 5 is active rotating disk, rotates in the horizontal direction, and it is connected with peripheral hardware motor by rotation axis 6.
The conveying belt 2 of the present embodiment, its side is vertically arranged, and in order to keep and firm conveying belt 2, the inside surface of conveying belt 2 is close to the circumferential lateral surface of rotating disk 5.Shown in Fig. 1, the lower edge of rotating disk 5 circumferential lateral surface flushes with the lower edge of conveying belt 2, and the upper limb 52 of rotating disk 5 circumferential lateral surface, higher than synchronous hole 22, but lower than locating slot 21, thus passes through headspace for pull head 1.
At the upper surface of rotating disk 5, be provided with some triggering holes 53, trigger hole 53 circle that equidistantly arrangement formation is coaxial with rotating disk 5, each triggers hole 53 and synchronous gear 51 one_to_one corresponding; Triggering hole 53 can be formed directly into the cavernous structure on rotating disk 5; The triggering Kong Wei center in hole 53 and synchronous gear 51 center of rotating disk 5 are located on the same angle direction of rotating disk 5.
Above the center line of triggering hole 53, be provided with the sensor 7 of induction and generation trigger pip, such as laser sensor, when triggering hole 53 and forwarding to below sensor 7, sensor 7 senses and sends signal.Sensor 7 is connected with PLC, PLC with cylinder 3, make a video recording first-class connection; Trigger pip is sent to PLC by sensor 7, and after PLC receives trigger pip, real-time control cylinder 3 carries out action with shooting is first-class.
The direction that described first camera 4a, push rod 32, second camera 4b and the 3rd camera 4c carry along conveying belt 2 is arranged successively.Wherein, the first camera 4a is located at the most front position, for taking the lower surface of pulling-on piece 11; After the first camera 4a followed by push rod 32, after the lower surface image of pulling-on piece 11 is taken, pulling-on piece 11 is pushed; Follow is second camera 4b and the 3rd camera 4c after push rod 32; Be located at the both sides of conveying belt 2 respectively, for the upper surface at the back side and pulling-on piece 11 of taking pull head 1.
As shown in Figure 1, the first camera 4a is installed in the downside of conveying belt 2, and aims at the downside of pulling-on piece 11; The pulling-on piece 11 of pull head now keeps the state of " strutting " under the elastic force effect of spring leaf 12, and downward, the first camera 4a aims at the lower surface of pulling-on piece 11 to the lower surface of pulling-on piece 11, and the order accepting PLC is at any time taken.The front of the first camera 4a also comprises for camera provides the light source 42a of illumination, ensures the quality of shooting.As shown in Figure 5, be the image of pulling-on piece 11 lower surface that the first camera 4a photographs.
Push rod 32 is connected on the cylinder bar of cylinder 3, is fixed on the upside of conveying belt 2, and the upper surface of pulling-on piece 11 aimed at by push rod 32, and push rod 32 pull-tab 11 under the effect of cylinder 3 carries out the action of showdown, is pushed by pulling-on piece 11.As shown in Figure 3 and Figure 4, cylinder 3 is arranged on the top of conveying belt 2 by fixed head 31; When conveying belt 2 does transmitting moving, push rod 32 is positioned at the top of pulling-on piece 11, can not hinder passing through of pull head 1; When push rod 32 does showdown action, the pulling-on piece 11 ' of transverse direction is pushed into vertical position downwards.
When rotating disk 5 moves to triggering center, hole 53 just to sensor 7 center, arrive trigger point while being in immediately below push rod 32 (be also pulling-on piece 11), sensor 7 sends signal and is given to PLC, corresponding actuating signal is sent to the valve of cylinder 3 after PLC receives signal, cylinder 3 is done downward action and is driven push rod 32 to be pushed by pulling-on piece 11, for the shooting of second camera 4b and the 3rd camera 4c is prepared.
Sequencing between second camera 4a and the 3rd camera 4c can adjust as required, and it is located at the both sides of conveying belt 2 respectively, for the upper surface at the back side and pulling-on piece 11 of taking pull head 1.As shown in Figure 1, second camera 4b is installed on the left side of conveying belt 2 along throughput direction by fixed head 41b, for taking the back side of pull head 1; The front of second camera 4b also comprises for camera provides the light source 42b of illumination, ensures the quality of shooting.3rd camera 4c is installed on the right side of conveying belt 2 along throughput direction by fixed head 41c, and for taking the upper surface of pulling-on piece 11, pulling-on piece 11 is now pushed by push rod 32, is in vertical state; In the front of the 3rd camera 4c, be provided with as camera provides the light source 42c of illumination, light source 42c is fixed by holder 421c, and the setting of light source 421c ensure that the quality of shooting.As shown in Figure 6 and Figure 7, the image at pulling-on piece 11 upper surface that camera photographs and pull head 1 back side is respectively.Clearly can see the LOGO pattern " LOK " and " 45 " printed above.The camera mentioned of the present invention can be traditional taking pictures or video recording equipment, as high-speed camera etc., also can be the sensor device with image sensing function.
When rotating disk 5 moves to triggering center, hole 53 just to sensor 7 center, arrive trigger point, also be pull head 1 when being in the position of each camera shooting area, sensor 7 sends signal and is given to PLC, and PLC is received the backward each camera of signal and sent shooting signal.The image transmitting photographed is carried out next step process action by camera to image identification system.
Whether the detection contrast of following items done by the picture of image identification system to shooting: have material to detect, and overall size contrast detects, and color contrast detects, and flaw contrast detects, and LOGO shape, size comparison detect.After judgement, rear operation by certified products and unacceptable product shunting, reaches the object that inspection is distinguished automatically.
Embodiment two:
In the present embodiment two, devise a kind of specially for the pull head pick-up unit of movably connected pulling-on piece, the pulling-on piece of pull head can naturally droop under gravity, now only can do imaging identification process for the upper surface of pulling-on piece and the back side of pull head.The present embodiment two, on the basis of embodiment one, has lacked the device of the first camera 4a described in embodiment one and push rod 32, thus realizes the object only doing imaging identification process for the upper surface of pulling-on piece and the back side of pull head.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.
Claims (9)
1. the device adopting camera to detect pull head, it is characterized in that: comprise conveying belt and rotating disk, described conveying belt is provided with the equal synchronous hole of spacing continuously along throughput direction, the circumferential lateral surface of described rotating disk is provided with the synchronous gear matched with synchronous hole, and conveying belt and rotating disk to be cooperatively interacted transmission by synchronous hole and synchronous gear;
Described conveying belt is also provided with the locating slot for locating pull head;
Described rotating disk is also provided with the triggering hole corresponding with synchronous gear;
Also comprise sensor, controller and some cameras being located at conveying belt week side, described sensor is connected with controller, and described controller is connected with camera, and controller is used for the signal of receiving sensor and controls the shooting action of camera;
Described sensor is for detecting the change in location situation in triggering hole and sending signal;
Also comprise push rod and drives structure, the upside of conveying belt is located at by push rod, and its one end is towards the pulling-on piece of the pull head of softened state; Push rod is connected with drives structure, and does showdown action to the pulling-on piece of softened state under the driving of drives structure.
2. device according to claim 1, is characterized in that: at least comprise a camera be located on the downside of conveying belt, its shooting direction is towards the pulling-on piece of softened state.
3. device according to claim 1, is characterized in that: at least comprise two cameras, be located at the both sides of conveying belt respectively, its shooting direction is towards pull head direction.
4. device according to claim 1, is characterized in that: described rotating disk is active rotating disk or passive rotating disk, and rotating disk rotates in the horizontal direction; Described conveying belt, around the known cornerite of the circumferential lateral surface angulation of rotating disk, at least has two and is in interlocking pattern to synchronous hole and synchronous gear within the scope of cornerite.
5. device according to claim 4, is characterized in that: within the scope of described cornerite, and the inside surface of conveying belt and the circumferential lateral surface of rotating disk offset; The described lower edge of rotating disk circumferential lateral surface flushes with the lower edge of conveying belt, and the upper limb of rotating disk circumferential lateral surface is higher than synchronous hole and lower than locating slot.
6. device according to claim 1, is characterized in that: synchronous gear is evenly arranged along rotating disk circumferential lateral surface circumference, and the arc length between synchronous gear equals the spacing between the synchronous hole of conveying belt.
7. device according to claim 1, is characterized in that: the upper surface of rotating disk is located in described triggering hole, and equidistantly arranges along the circumferencial direction coaxial with rotating disk; Described triggering hole is the cavernous structure be formed on rotating disk, and each triggers hole and is located on the equal angular direction of rotating disk with corresponding synchronous gear.
8. device according to claim 1, is characterized in that: the upside of conveying belt is located at by described locating slot, and locating slot is corresponding with synchronous hole, and the spacing between each locating slot is equal.
9. the device according to any one of claim 1 to 8, is characterized in that: described camera is connected with image identification system, and image identification system identifies the image information received and judges, and exports result of determination.
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| CN201310103609.7A CN103196925B (en) | 2013-03-27 | 2013-03-27 | A kind of device adopting imaging identification to detect pull head |
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| CN201310103609.7A CN103196925B (en) | 2013-03-27 | 2013-03-27 | A kind of device adopting imaging identification to detect pull head |
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| CN103196925A CN103196925A (en) | 2013-07-10 |
| CN103196925B true CN103196925B (en) | 2015-10-28 |
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| CN104582521B (en) * | 2013-11-11 | 2017-05-31 | Ykk株式会社 | The sliding part check device of sliding part kludge |
| CN104473389B (en) * | 2014-11-27 | 2017-06-06 | 福建浔兴拉链科技股份有限公司 | Zipper head downslide detection method and device |
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| CN106706656A (en) * | 2017-03-14 | 2017-05-24 | 杭州汇萃智能科技有限公司 | Machine vision-based zipper detection device and method |
| CN109558868A (en) * | 2017-09-27 | 2019-04-02 | 缤果可为（北京）科技有限公司 | Image automatic collection and tagging equipment and method |
| CN112444197B (en) * | 2019-08-28 | 2022-06-14 | Ykk株式会社 | Slider inspection device |
| CN112425852A (en) * | 2020-11-12 | 2021-03-02 | 美盛文化创意股份有限公司 | Semi-automatic garment processing assembly line |
| CN112782183B (en) * | 2020-12-29 | 2022-12-23 | 深圳市磐锋精密技术有限公司 | Mainboard AOI detection equipment and detection method |
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