CN103196925A - Device for detecting puller by photographic identification - Google Patents
Device for detecting puller by photographic identification Download PDFInfo
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- CN103196925A CN103196925A CN2013101036097A CN201310103609A CN103196925A CN 103196925 A CN103196925 A CN 103196925A CN 2013101036097 A CN2013101036097 A CN 2013101036097A CN 201310103609 A CN201310103609 A CN 201310103609A CN 103196925 A CN103196925 A CN 103196925A
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- rotating disk
- conveying belt
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- hole
- pull head
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Abstract
The invention discloses a device for detecting a puller by photographic identification. The device comprises a conveying belt, a rotary table, a sensor, a controller, and a plurality of cameras in the periphery of the conveying belt, wherein synchronous holes at equal intervals are continuously formed in the conveying belt along the conveying direction; synchronous teeth which are matched with the synchronous holes are arranged on the side surface of the periphery of the rotary table; the conveying belt and the rotary table are in transmission fit through the synchronous holes and the synchronous teeth; a positioning groove which is used for positioning the puller is formed in the conveying belt; trigger holes which correspond to the synchronous teeth one by one are formed in the rotary table; the sensor is connected with the controller; the controller is connected with the cameras, and is used for receiving a signal of the sensor and controlling the shooting motions of the cameras; and the sensor faces the trigger holes, and is used for sensing the change of the trigger holes and sending a signal. The device has a continuous operation effect and an accurate puller detection control effect, and effectively improves the detection efficiency and the production operation efficiency of the puller.
Description
Technical field
The present invention relates to the zipper head detection range, be specifically related to a kind of device that adopts 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 the intact pull head product; in packing, storage, transportation; also might be mixed in a small amount of pull head of different model, different plates in the product; if the pull head of these substandard products, different model is sold to the dress manufacture man to be used; perhaps dress manufacture man oneself time has mixed the pull head of other models, brand in storage, and the result causes clothes, suitcase etc. to use the finished product of slide fastener owing to having used these substandard products pull heads and batch mixing pull head to cause unnecessary loss.
Usually adopt the method for hand picking in the prior art, reject substandard products and batch mixing product, but this method workload is big, the cost height.And, reason such as amount big, defective not obvious little owing to the pull head volume, the easy visual fatigue of hand picking, it is not enough to select degree of accuracy.The someone had designed and has adopted the imaging identification system intelligence to detect the method for substandard products afterwards, and as described in patented claim CN201110403900, but the object of its detection is the slide fastener tooth, but not pull head.
Image recognition technology is prior art, though in the slide fastener field application is arranged, is limited to the reason of utility appliance, and its detection efficiency is often not high, can not satisfy the requirement of mass detection pull head.
Summary of the invention
The objective of the invention is to for addressing the above problem, a kind of pick-up unit that adopts camera to detect pull head is provided, it is used for the imaging identification system and has the effect that improves detection efficiency.
Be the technical scheme that realizes that purpose of the present invention adopts: a kind of device that adopts camera to detect pull head, comprise conveying belt and rotating disk, described conveying belt upper edge throughput direction is provided with the synchronous hole that spacing equates continuously, the circumferential lateral surface of described rotating disk is provided with the synchronous tooth that is complementary with synchronous hole, and conveying belt and rotating disk are by synchronous hole and the tooth transmission that cooperatively interacts synchronously; Also be provided with the locating slot for the location pull head on the described conveying belt; Also be provided with the triggering hole corresponding with synchronous tooth on the described rotating disk; Also comprise sensor, controller and some cameras of 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 shooting action of signal and the control camera of receiving sensor; Described sensor is for detection of the change in location situation that triggers the hole and send signal.
The device of detection pull head of the present invention, has corresponding relation accurately between locating slot, synchronous hole, synchronous tooth and the triggering hole, the corresponding hole synchronously of locating slot, the corresponding tooth synchronously in synchronous hole, conveying belt and rotating disk carry out transmission by synchronous hole and the synchronous tooth of mutual interlock, trigger the corresponding tooth synchronously in hole, thereby, 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 corresponding pull head is taken according to the signal controlling camera, and record position relation.Device of the present invention has continued operation, the precisely effect of the auxiliary detection pull head of control, has improved detection efficiency, production efficiency.
Preferably, also comprise push rod and drives structure, push rod is located at the upside of conveying belt, and the one end is towards the pulling-on piece of the pull head of softened state; Push rod is connected with drives structure, and under the driving of drives structure the pulling-on piece of softened state is done the showdown action.This improvement project is applicable to the pull head of elasticity interconnection system pulling-on piece, and pulling-on piece and can form certain angle and fixes under the elastic force effect of spring or shell fragment between the pull head body, need could change by extra acting force the location status of pulling-on piece.
Preferably, comprise a camera of being located at the conveying belt downside at least, it takes direction towards the pulling-on piece of softened state.When pulling-on piece is in " strutting " state, be used for taking the lower surface of pulling-on piece.
Preferably, comprise two cameras at least, be located at the both sides of conveying belt respectively, it takes direction towards the pull head direction.Can be used for taking two sides of 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 has two pairs of synchronous holes at least and is in interlocking pattern with synchronous tooth around the known cornerite of circumferential lateral surface angulation of rotating disk in the cornerite scope.
Transport tape is banded structure, and its preferred complete structure be the loop structure of head and the tail connection, and rotating disk is formed certain cornerite, can guarantee tight connection the between conveying belt and the rotating disk, the phenomenon of take off tooth in the time of can not interlock taking place, skidding.
Preferably, in described cornerite scope, the inside surface of conveying belt and the circumferential lateral surface of rotating disk offset; The lower edge of described 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 is 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 preferably is close to the side of rotating disk, and reaches certain contact width in vertical direction, can guarantee that conveying belt can not rock.
Preferably, tooth is circumferentially evenly arranged along the rotating disk circumferential lateral surface synchronously, and the arc length between the tooth equals the spacing between the synchronous hole of conveying belt synchronously.
Preferably, the upper surface of rotating disk is located in described triggering hole, and along equidistantly arranging with the coaxial circumferencial direction of rotating disk; Described triggering hole is the cavernous structure that is formed on the rotating disk, and each triggers the hole and is located on the equal angular direction of rotating disk with corresponding synchronous tooth.The setting of this programme is beneficial to processing, installation and the parameter of rotating disk and sets.
Except in addition, trigger the circumferential lateral surface that rotating disk can also be located in the hole, corresponding up and down with synchronous tooth, this moment, the sensed position of sensor should be done accommodation.
Preferably, described locating slot is located at the upside of conveying belt, and locating slot is with the hole is corresponding synchronously, and the spacing between each locating slot equates.The setting of this programme is beneficial to processing, installation and the parameter of conveying belt and sets, and the material loading of pull head etc.
Preferably, described camera is connected with image identification system, and image identification system is identified the image information that receives and judged, and the output result of determination.
Camera is used for being connected with image identification system, and the picture signal of shooting detects contrast for image identification system: whether have material to detect, the overall size contrast, color contrast detects if detecting, the flaw contrast detects, and LOGO shape, size contrast detect.After judgement, back operation with certified products and unacceptable product shunting, reaches the purpose that check is distinguished automatically.
Description of drawings
Fig. 1 detects the structural representation of pull head device for the present invention adopts camera
Fig. 2 is the partial structurtes synoptic 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 pushes the structural representation of state for the push rod of apparatus of the present invention
Fig. 5 is the pull head image synoptic diagram that first camera of apparatus of the present invention photographs
Fig. 6 is the pull head image synoptic diagram that second camera of apparatus of the present invention photographs
Fig. 7 is the pull head image synoptic 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 the angle from one or more settings processing is made a video recording, identified to pull head, thereby with batch mixing and bad part eject.The inventor finds through research and analysis, and that the distinguishing characteristics of batch mixing pull head and normal pull head generally comprises is inconsistent as size, shape is inconsistent and the inconsistent situation of LOGO, and the LOGO of pull head generally is printed on the back side or pulling-on piece of pull head; And the substandard products pull head is usually expressed as the wearing and tearing of pull head itself, damaged, LOGO to print unclearly etc., can carry out Screening Treatment by the technology of imaging identification.
For the kind of pull head, common, for flexibly connecting, pulling-on piece meeting nature under the gravity effect is sagging between the pulling-on piece of the pull head that has and the pull head body; For elasticity is connected, under the elastic force effect of spring or shell fragment, can forms certain angle between pulling-on piece and the pull head body and fix between the pulling-on piece of the pull head that has and the pull head body, need to change by extra acting force the location status of pulling-on piece.
Embodiment one:
In present embodiment one, designed a kind of special pull head pick-up unit at elasticity interconnection system pulling-on piece, as shown in Figure 1 to Figure 3, pulling-on piece 11 state that the maintenance level struts under the elastic force effect of pull head 1 vertically pushes over pulling-on piece 11 downwards until push rod 32.
A kind of device that adopts camera to detect pull head of present embodiment comprises transport tape 2 and rotating disk 5, and the push rod 32, the first camera 4a, the second camera 4b and the 3rd camera 4c that are located at transport tape 2 all sides.
Described transport tape 2 is banded structure, only shows the part-structure of transport tape 2 among 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 for fixing some locating slots 21 of pull head 1, show as the groove shape breach on the transport tape 2, side with two importings, be arranged to match with riveted plate girder position 13 shapes of pull head 1, during pull head 1 blanking, locating slot 21 plays the automatic positioning action in correcting effect and the course of conveying; Equidistantly arrange between each locating slot 21.The riveted plate girder position 13 of described pull head 1 is the working position of open chain.
The middle part of transport tape 2 or middle part position on the lower side is provided with some synchronous holes 22, equidistantly arranges between each synchronous hole 22, and hole 22 can be square or circular perforation synchronously.As a kind of preferred design: each locating slot 21 corresponding synchronous hole 22, as shown in Figure 2, locating slot 21 and hole 22 coaxial, spaced sets synchronously, namely between two synchronous holes 22 apart from being consistent apart from d between d and two locating slots 21.
Conveying belt 2 is preferentially selected stainless steel for use, has be difficult for to elongate, and the characteristics that are difficult for getting rusty have guaranteed spacing steady in a long-term between the synchronous hole, and does not defocus during shooting, guarantees photographic effect and judges effect.
The circumferential lateral surface of described rotating disk 5 is provided with the synchronous tooth 51 corresponding with synchronous hole 22, and the arc length between the tooth 51 just equals on the conveying belt spacing between the hole 22 synchronously synchronously.Conveying belt 2 forms certain cornerite around the circumferential lateral surface of rotating disk 5 to rotating disk 5, synchronously tooth 51 and hole 22 mutual interlocks synchronously.Rotating disk 5 can be the active rotating disk, can also be passive rotating disk; During as the active rotating disk, rotating disk drives the transmission of conveying belt 2 by the snap-in force in 51 pairs of synchronous holes 22 of synchronous tooth; During as passive rotating disk, conveying belt 2 drives the rotation of rotating disk 5 by the snap-in force of the 22 pairs of synchronous teeth 51 in synchronous hole.In embodiment illustrated in fig. 1, rotating disk 5 is the active rotating disk, rotates in the horizontal direction, and it is connected with the peripheral hardware motor by rotation axis 6.
The conveying belt 2 of present embodiment, its side vertically arranges, 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 is higher than synchronous hole 22, but is lower than locating slot 21, thereby is the headspace that passes through of pull head 1.
At the upper surface of rotating disk 5, be provided with some triggerings hole 53, trigger hole 53 and equidistantly arrange and form the circle coaxial with rotating disk 5, each triggers hole 53 and synchronous tooth 51 is corresponding one by one; Triggering hole 53 can be the cavernous structure that is formed directly on the rotating disk 5; Triggering the center, position, hole in hole 53 and synchronous tooth 51 centers of rotating disk 5 is located on the same angle direction of rotating disk 5.
The described first camera 4a, push rod 32, the second camera 4b and the 3rd camera 4c arrange successively along the direction that conveying belt 2 is carried.Wherein, the first camera 4a is located at the most preceding position, is used for taking the lower surface of pulling-on piece 11; Push rod 32 is followed after the first camera 4a, after the lower surface image for the treatment of pulling-on piece 11 is taken, pulling-on piece 11 is pushed; Follow is the second camera 4b and the 3rd camera 4c after push rod 32; Be located at the both sides of conveying belt 2 respectively, be used for taking the back side of pull head 1 and the upper surface of pulling-on piece 11.
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 keeps the state of " strutting " this moment under the elastic force effect of spring leaf 12, the lower surface of pulling-on piece 11 is towards the below, and the first camera 4a aims at the lower surface of pulling-on piece 11, and the order of accepting the PLC controller is at any time taken.The place ahead of the first camera 4a also is included as the light source 42a that camera provides illumination, guarantees the quality of shooting.As shown in Figure 5, be the image of pulling-on piece 11 lower surfaces that photograph of the first camera 4a.
When rotating disk 5 moves to triggering 53 centers, hole over against sensor 7 centers, arrive trigger point when being under the push rod 32 (also be pulling-on piece 11), sensor 7 sends signal and is given to the PLC controller, the PLC controller receives that the valve to cylinder 3 sends corresponding actuating signal behind the signal, cylinder 3 is made the push rod 32 of action drive downwards pulling-on piece 11 is pushed, and is that the shooting of the second camera 4b and the 3rd camera 4c is prepared.
Sequencing between the second camera 4a and the 3rd camera 4c can be adjusted as required, and it is located at the both sides of conveying belt 2 respectively, is used for taking the back side of pull head 1 and the upper surface of pulling-on piece 11.As shown in Figure 1, the second camera 4b is installed on conveying belt 2 along the left side of throughput direction by fixed head 41b, is used for taking the back side of pull head 1; The place ahead of the second camera 4b also is included as the light source 42b that camera provides illumination, guarantees the quality of shooting.The 3rd camera 4c is installed on conveying belt 2 along the right side of throughput direction by fixed head 41c, is used for taking the upper surface of pulling-on piece 11, and the pulling-on piece 11 of this moment is pushed by push rod 32, is in vertical state; In the place ahead of the 3rd camera 4c, be provided with the light source 42c that illumination is provided for camera, light source 42c fixes by holder 421c, and arranging of light source 421c guaranteed the quality of making a video recording.As shown in Figure 6 and Figure 7, be respectively pulling-on piece 11 upper surfaces that camera photographs and the image at pull head 1 back side.Can clearly see LOGO pattern " LOK " and " 45 " printed above.The camera of mentioning 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 53 centers, hole over against sensor 7 centers, arrive the 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 the PLC controller, and the PLC controller sends the shooting signal to each camera after receiving signal.Camera is transferred to image identification system with the image that photographs and carries out next step processing action.
Image identification system is done the detection contrast of following project to picture shot: whether have material to detect, the overall size contrast, color contrast detects if detecting, the flaw contrast detects, and LOGO shape, size contrast detect.After judgement, back operation with certified products and unacceptable product shunting, reaches the purpose that check is distinguished automatically.
Embodiment two:
In present embodiment two, designed a kind of special pull head pick-up unit at movably connected pulling-on piece, the pulling-on piece of pull head meeting nature under the gravity effect is sagging, and can only do the imaging identification processing at the upper surface of pulling-on piece and the back side of pull head this moment.Present embodiment two has lacked the device of the embodiment one described first camera 4a and push rod 32 on the basis of embodiment one, thereby realizes only doing the purpose that imaging identification is handled at 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 and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.
Claims (10)
1. device that adopts camera to detect pull head, it is characterized in that: comprise conveying belt and rotating disk, described conveying belt upper edge throughput direction is provided with the synchronous hole that spacing equates continuously, the circumferential lateral surface of described rotating disk is provided with the synchronous tooth that is complementary with synchronous hole, and conveying belt and rotating disk are by synchronous hole and the tooth transmission that cooperatively interacts synchronously;
Also be provided with the locating slot for the location pull head on the described conveying belt;
Also be provided with the triggering hole corresponding with synchronous tooth on the described rotating disk;
Also comprise sensor, controller and some cameras of 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 shooting action of signal and the control camera of receiving sensor;
Described sensor is for detection of the change in location situation that triggers the hole and send signal.
2. device according to claim 1, it is characterized in that: also comprise push rod and drives structure, push rod is located at the upside of conveying belt, and the one end is towards the pulling-on piece of the pull head of softened state; Push rod is connected with drives structure, and under the driving of drives structure the pulling-on piece of softened state is done the showdown action.
3. device according to claim 2 is characterized in that: comprise a camera of being located at the conveying belt downside at least, it takes direction towards the pulling-on piece of softened state.
4. device according to claim 1 is characterized in that: comprise two cameras at least, be located at the both sides of conveying belt respectively, it takes direction towards the pull head direction.
5. device according to claim 1 is characterized in that: described rotating disk is initiatively rotating disk or passive rotating disk, and rotating disk rotates in the horizontal direction; Described conveying belt has two pairs of synchronous holes at least and is in interlocking pattern with synchronous tooth around the known cornerite of circumferential lateral surface angulation of rotating disk in the cornerite scope.
6. device according to claim 5, it is characterized in that: in described cornerite scope, the inside surface of conveying belt and the circumferential lateral surface of rotating disk offset; The lower edge of described 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 is lower than locating slot.
7. device according to claim 1 is characterized in that: tooth is circumferentially evenly arranged along the rotating disk circumferential lateral surface synchronously, and the arc length between the tooth equals the spacing between the synchronous hole of conveying belt synchronously.
8. device according to claim 1, it is characterized in that: the upper surface of rotating disk is located in described triggering hole, and along equidistantly arranging with the coaxial circumferencial direction of rotating disk; Described triggering hole is the cavernous structure that is formed on the rotating disk, and each triggers the hole and is located on the equal angular direction of rotating disk with corresponding synchronous tooth.
9. device according to claim 1, it is characterized in that: described locating slot is located at the upside of conveying belt, and locating slot is with the hole is corresponding synchronously, and the spacing between each locating slot equates.
10. according to each described device of claim 1 to 9, it is characterized in that: described camera is connected with image identification system, and image identification system is identified the image information that receives and judged, and the output result of determination.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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 true CN103196925A (en) | 2013-07-10 |
| CN103196925B CN103196925B (en) | 2015-10-28 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104473389A (en) * | 2014-11-27 | 2015-04-01 | 福建浔兴拉链科技股份有限公司 | Zipper puller slipping detection method and device |
| CN104582521A (en) * | 2013-11-11 | 2015-04-29 | Ykk株式会社 | Slider inspection device of slider assembly device |
| CN105180848A (en) * | 2015-09-24 | 2015-12-23 | 宁波博莱特光电科技有限公司 | Ceramic ferrule concentricity detector and detection method thereof |
| CN105403155A (en) * | 2015-12-22 | 2016-03-16 | 中国计量学院 | Machine vision-based online detection device of sizes of small-type and mini-type shaft parts |
| 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 |
| 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 |
| CN112444197A (en) * | 2019-08-28 | 2021-03-05 | Ykk株式会社 | Slider inspection device |
| CN112782183A (en) * | 2020-12-29 | 2021-05-11 | 深圳市磐锋精密技术有限公司 | Mainboard AOI detection equipment and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104582521A (en) * | 2013-11-11 | 2015-04-29 | Ykk株式会社 | Slider inspection device of slider assembly device |
| CN104582521B (en) * | 2013-11-11 | 2017-05-31 | Ykk株式会社 | The sliding part check device of sliding part kludge |
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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 |
| CN112444197A (en) * | 2019-08-28 | 2021-03-05 | 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 |
| CN112782183A (en) * | 2020-12-29 | 2021-05-11 | 深圳市磐锋精密技术有限公司 | Mainboard AOI detection equipment and detection method |
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