CN107458875A - A kind of vision positioning feeder and its operating method - Google Patents

A kind of vision positioning feeder and its operating method Download PDF

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Publication number
CN107458875A
CN107458875A CN201710675288.6A CN201710675288A CN107458875A CN 107458875 A CN107458875 A CN 107458875A CN 201710675288 A CN201710675288 A CN 201710675288A CN 107458875 A CN107458875 A CN 107458875A
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CN
China
Prior art keywords
knob
workpiece
bar
feeding
cover plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710675288.6A
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Chinese (zh)
Inventor
秦琴
严学井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ai Wei Xun Automation Technology (kunshan) Co Ltd
Original Assignee
Ai Wei Xun Automation Technology (kunshan) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ai Wei Xun Automation Technology (kunshan) Co Ltd filed Critical Ai Wei Xun Automation Technology (kunshan) Co Ltd
Priority to CN201710675288.6A priority Critical patent/CN107458875A/en
Publication of CN107458875A publication Critical patent/CN107458875A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/914Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems incorporating rotary and rectilinear movements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

The invention provides a kind of vision positioning feeder and its operating method, including:Cover plate (1), arm link, at least three industrial cameras are set under the cover plate (1), at least four servomotors are set in cover plate (1), and each servo motor output shaft connects arm link respectively, control end effector (3) is coordinated by arm link and is moved to the feeding demand location of workpiece;It is reasonable that actuator of the present invention is set, and feeding is accurate, instead of substantial amounts of producing line worker; greatly human resources are saved for enterprise; the more common automatic equipment of production efficiency doubles, and can handle various defective products and abnormal condition, significantly reduces the downtime of equipment.

Description

A kind of vision positioning feeder and its operating method
Technical field
Automatic charging machine field of the present invention, specially a kind of vision positioning feeder and its operating method.
Background technology
At present in electronics manufacturing enterprise for small product generally using based on artificial loading, common automatic equipment feeding Supplemented by production model.Artificial loading has that efficiency is low, action repeats that uninteresting, working easily to occur neglecting etc. for a long time lacks Fall into.The deficiencies of being difficult to tackle various contingencies, production efficiency is not high enough then be present in common automatic equipment.In that case, Feeding station often turns into the bottleneck station in production line, greatly affected the efficiency of manufacturing enterprise.
The Chinese patent of Application No. 201621046326.9 discloses a kind of full-automatic CCD feeders, and utilizes workpiece Grabbing assembly carries out feeding, and workpiece grabbing component includes the linear module of horizontal drive, active mount, vertically drives linear mould Group, workpiece grabbing fixture;Vertical supporting bar, vertical supporting bar installment surface light are installed in automatic delivering belt upper end side in frame upper end portion Source, CCD industrial cameras, display screen;The robot mounting seat in frame upper end portion installs four axle robots, the robotically-driven end of four axles Install Workpiece transfer fixture;The full-automatic CCD feeders also include controller.Its workpiece grabbing fixture is only in horizontal drive line Property module and vertically drive linear module to move along a straight line, it moves underaction, and fixture sets unreasonable, can not do micro- Adjust, cause feeding not accurate, there is an urgent need to improved.
The content of the invention
To solve the above problems, the invention provides a kind of new vision positioning feeder and its operating method, this hair It is reasonable that bright actuator is set, and feeding is accurate, instead of substantial amounts of producing line worker, greatly saves human resources for enterprise, raw The production more common automatic equipment of efficiency doubles, and can handle various defective products and abnormal condition, greatly Reduce the downtime of equipment.
To realize the technical purpose, the technical scheme is that:A kind of vision positioning feeder, including:Cover plate, hand Arm link, at least three industrial cameras are set under the cover plate, at least four servomotors, and each servo electricity are set in cover plate Machine output shaft connects arm link respectively, and coordinating control end effector by arm link is moved to the feeding demand location of workpiece;
The servomotor and industrial camera are connected to the industrial control computer in the cover plate;
The end effector is disc structure, and surrounding sets ear muff, and lower section sets sucker;
The arm link includes gripping connecting rod and brandishes bar, and the connecting rod that grips sets the level Four connected by knob to pass Lever clamping is on the ear muff of the end effector;Brandish bar to be movably connected in above the end effector, and brandish bar For stretching structure.
Further, the level Four drive link includes primary transmission bar, secondary transmission bar, three-level drive link and level Four transmission Bar;The knob includes the first knob and the second knob;The primary transmission bar is connected with secondary transmission bar by the first knob; The three-level drive link and secondary transmission bar are fixed on the second knob, and the second knob is fixed on the cover plate by fixed plate Under;Level Four drive link sets two connecting rods by bearing pin difference activity clamping in the axle sleeve of the three-level drive link end and described On ear muff;
Further, first knob and the second knob are the two primary and secondary knob that can be rotated against engaging compositions, described Primary transmission bar is fixed on the sub- knob of first knob, and one end of the secondary transmission bar is fixed on first knob On female knob;The other end and three-level drive link of the secondary transmission bar are fixed on the sub- knob of second knob, and second Female knob of knob is fixed under the cover plate by fixed plate.
Further, the primary transmission bar is connected on the servomotor.
Further, at least one geometrical clamp is set on two connecting rods of the level Four drive link.
Further, support is set outside the cover plate.
Further, the sucker connects air extractor by tracheae, and the air extractor is arranged in the cover plate, institute Tracheae is stated to arrange along arm link.
As a preference of the present invention, the industrial control computer connects external communication interface by universal serial bus.
As a preference of the present invention, the feeding demand workpiece is positioned on crawler belt, and it is solid around feeding demand workpiece Determine light source.
A kind of vision positioning feeder operating method, it is characterised in that comprise the following steps:
S1:Establish coordinate system to feeding demand workpiece, coordinate system includes feeding demand workpiece the three-dimensional on the crawler belt Position and direction vector in space, its direction vector are described using Eulerian angles.
S2:Feeding demand workpiece coordinate system information in step 1 is pre-stored in the industrial control computer;
S3:Prestored in coordinate system informations and the industrial control computer in the sighting device being made up of industrial camera Feeding demand workpiece coordinate system information is consistent, and industrial camera carries out visual scanning to feeding demand workpiece, is believed according to coordinate system Breath scans for matching, and allows the error of 0.1 millimeter and 0.3 degree;
S4:Industrial control computer is according to the feeding demand workpiece coordinate system information and workpiece matched on the crawler belt Three dimensions defined in coordinate system informations, the optimal movement path of the end effector is planned, further described in control Serve Motor Control brandishes bar, and now end effector is moved to above feeding demand workpiece;
S5:Control single gripping connecting rod so that end effector rotates to proper angle in the horizontal direction around bar is brandished;Together When control is each grips connecting rod so that end effector is moved along brandishing bar, now brandish bar elongation, while is drawn on sucker Feeding workpiece is moved on feeding demand workpiece, and now tracheae stops suction, and is completed feeding, is waited next feeding demand workpiece It is moved in the coordinate system defined in the three dimensions on the crawler belt.
The beneficial effects of the present invention are:
The present invention is organically combined the vision technique and Industrial Robot Technology that are made up of industrial camera, makes system Flexible and operating efficiency reaches highest.The human eye in artificial loading is replaced using machine vision device, accurately obtains current production Position in space;Industrial robot replaces the human hand in artificial loading, and the position obtained according to machine vision device is carried out The feeding action of high speed;And end effector can not only do any direction and brandish, and can also be run business into particular one in the feeding demand location of workpiece Micro- direction adjustment, it is reasonable to set, and feeding is accurate.
The present invention instead of substantial amounts of producing line worker, greatly save human resources for enterprise.Production efficiency is more common Automatic equipment doubles, and can handle various defective products and abnormal condition, significantly reduces equipment Downtime.
Brief description of the drawings
Fig. 1 is the overall structure diagram of vision positioning feeder of the present invention;
Fig. 2 is the connection relationship diagram of arm link and end effector of the present invention;
Fig. 3 is the part A mplifying structure schematic diagram in Fig. 2 of the present invention;
Fig. 4 is the part B mplifying structure schematic diagram in Fig. 2 of the present invention.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below.
As shown in figure 1, a kind of vision positioning feeder, including:Cover plate 1, arm link, 1 time setting of cover plate is at least Three industrial cameras, cover plate 1 is interior to set at least four servomotors, and each servo motor output shaft connects arm company respectively Bar, control end effector 3 is coordinated by arm link and is moved to the feeding demand location of workpiece;
The servomotor and industrial camera are connected to the industrial control computer in the cover plate 1;
The end effector 3 is disc structure, and surrounding sets ear muff 301, and lower section sets sucker 302;
The arm link includes gripping connecting rod and brandishes bar 4, and the connecting rod that grips sets the level Four connected by knob Drive link clamping is on the ear muff 301 of the end effector 3;Brandish bar 4 and be movably connected in the top of end effector 3, And it is stretching structure to brandish bar 4.
Further, the level Four drive link includes primary transmission bar 501, secondary transmission bar 503, the and of three-level drive link 504 Level Four drive link 507;The knob includes the first knob 502 and the second knob 505;The primary transmission bar 501 and two level pass Lever 503 is connected by the first knob 502;The three-level drive link 504 and secondary transmission bar 503 are fixed on the second knob 505 On, and the second knob 505 is fixed under the cover plate 1 by fixed plate 506;Level Four drive link 507 sets two connecting rods to pass through Bearing pin difference activity clamping is on the axle sleeve 509 and the ear muff 301 of the end of three-level drive link 504;
Further, the knob 505 of the first knob 502 and second is two primary and secondary knob engaging groups that can be rotated against Into the primary transmission bar 501 is fixed on the sub- knob of first knob 502, and one end of the secondary transmission bar 503 is fixed On female knob of first knob 502;The other end and three-level drive link 504 of the secondary transmission bar 503 are fixed on institute On the sub- knob for stating the second knob 505, female knob of the second knob 505 is fixed under the cover plate 1 by fixed plate 506.
Further, the primary transmission bar 501 is connected on the servomotor, Serve Motor Control one-level rotating bar 501 around the first knob, while drives secondary transmission bar 503 and three-level drive link 504 to be rotated around the second knob, has pulled four Level drive link 507 rotates around axle sleeve 509, and so as to drive ear muff 301, now end effector 3 does water around the end of bar 4 of brandishing Square upward fine setting.
Further, at least one geometrical clamp 508 is set on two connecting rods of the level Four drive link 507, ensure that transmission The stability of bar structure.
Further, support 2 is set outside the cover plate 1, and support 2 is securable in the frame beside crawler belt.
Further, the sucker 302 connects air extractor by tracheae, and the air extractor is arranged on the cover plate 1 Interior, the tracheae is arranged along arm link, and sucker is drawn and placed feeding workpiece by tracheae.
As a preference of the present invention, the industrial control computer connects external communication interface by universal serial bus, it is convenient The shape facility of the online programming of this feeder and the feeding demand workpiece of prestoring.
As a preference of the present invention, the feeding demand workpiece is positioned on crawler belt, feeding demand workpiece with crawler belt by It is individual to be moved under feeder;Fixed light source ensure that illumination when vision industrial camera gathers image around feeding demand workpiece Factor stability, prevent matching error caused by external light source interference.
A kind of vision positioning feeder operating method, it is characterised in that comprise the following steps:
S1:Establish coordinate system to feeding demand workpiece, coordinate system includes feeding demand workpiece the three-dimensional on the crawler belt Position and direction vector in space, its direction vector are described using Eulerian angles.
S2:Feeding demand workpiece coordinate system information in step 1 is pre-stored in the industrial control computer;
S3:Prestored in coordinate system informations and the industrial control computer in the sighting device being made up of industrial camera Feeding demand workpiece coordinate system information is consistent, and industrial camera carries out visual scanning to feeding demand workpiece, is believed according to coordinate system Breath scans for matching, and allows the error of 0.1 millimeter and 0.3 degree;
S4:Industrial control computer is according to the feeding demand workpiece coordinate system information and workpiece matched on the crawler belt Three dimensions defined in coordinate system informations, the optimal movement path of the end effector is planned, further described in control Serve Motor Control brandishes bar, and now end effector is moved to above feeding demand workpiece;
S5:Control single gripping connecting rod so that end effector rotates to proper angle in the horizontal direction around bar is brandished;Together When control is each grips connecting rod so that end effector is moved along brandishing bar, now brandish bar elongation, while is drawn on sucker Feeding workpiece is moved on feeding demand workpiece, and now tracheae stops suction, and is completed feeding, is waited next feeding demand workpiece It is moved in the coordinate system defined in the three dimensions on the crawler belt.
For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also do Go out several modifications and improvements, these belong to protection scope of the present invention.

Claims (10)

  1. A kind of 1. vision positioning feeder, it is characterised in that including:Cover plate (1), arm link, set under the cover plate (1) to Few three industrial cameras, cover plate (1) is interior to set at least four servomotors, and each servo motor output shaft connects arm respectively Connecting rod, control end effector (3) is coordinated by arm link and is moved to the feeding demand location of workpiece;
    The servomotor and industrial camera are connected to the industrial control computer in the cover plate (1);
    The end effector (3) is disc structure, and surrounding sets ear muff (301), and lower section sets sucker (302);
    The arm link includes gripping connecting rod and brandishes bar (4), and the connecting rod that grips sets the level Four connected by knob to pass Lever clamping is on the ear muff (301) of the end effector (3);Brandish bar (4) and be movably connected in the end effector (3) Top, and it is stretching structure to brandish bar (4).
  2. 2. a kind of vision positioning feeder according to claim 1, it is characterised in that the level Four drive link includes one-level Drive link (501), secondary transmission bar (503), three-level drive link (504) and level Four drive link (507);The knob includes first Knob (502) and the second knob (505);The primary transmission bar (501) and secondary transmission bar (503) pass through the first knob (502) connect;The three-level drive link (504) and secondary transmission bar (503) are fixed on the second knob (505), and the second rotation Button (505) is fixed under the cover plate (1) by fixed plate (506);Level Four drive link (507) sets two connecting rods to pass through bearing pin Activity clamping is on the axle sleeve (509) and the ear muff (301) of three-level drive link (504) end respectively.
  3. 3. according to a kind of vision positioning feeder described in any one of claim 1 or 2, it is characterised in that first knob (502) and the second knob (505) is the two primary and secondary knob that can be rotated against engaging compositions, and the primary transmission bar (501) is solid Due to the sub- knob of first knob (502), one end of the secondary transmission bar (503) is fixed on first knob (502) on female knob;The other end and three-level drive link (504) of the secondary transmission bar (503) are fixed on second rotation On the sub- knob of button (505), female knob of the second knob (505) is fixed under the cover plate (1) by fixed plate (506).
  4. 4. according to a kind of vision positioning feeder described in any one of claim 1 or 2, it is characterised in that the primary transmission Bar (501) is connected on the servomotor.
  5. 5. according to a kind of vision positioning feeder described in any one of claim 1 or 2, it is characterised in that the level Four transmission At least one geometrical clamp (508) is set on two connecting rods of bar (507).
  6. 6. a kind of vision positioning feeder according to claim 1, it is characterised in that the cover plate (1) sets support outside (2)。
  7. 7. a kind of vision positioning feeder according to claim 1, it is characterised in that the sucker (302) passes through tracheae Air extractor is connected, and the air extractor is arranged in the cover plate (1), the tracheae is arranged along arm link.
  8. 8. a kind of vision positioning feeder according to claim 1, it is characterised in that the industrial control computer passes through Universal serial bus connects external communication interface.
  9. 9. a kind of vision positioning feeder according to claim 1, it is characterised in that the feeding demand workpiece is positioned over On crawler belt, and the fixed light source around feeding demand workpiece.
  10. 10. a kind of vision positioning feeder corresponds to a kind of vision positioning feeder operating method, it is characterised in that including following step Suddenly:
    S1:Establish coordinate system to feeding demand workpiece, coordinate system includes feeding demand workpiece the three dimensions on the crawler belt In position and direction vector, its direction vector be described using Eulerian angles.
    S2:Feeding demand workpiece coordinate system information in step 1 is pre-stored in the industrial control computer;
    S3:The feeding to be prestored in coordinate system informations and the industrial control computer in the sighting device being made up of industrial camera Demand workpiece coordinate system information is consistent, and industrial camera carries out visual scanning to feeding demand workpiece, is entered according to coordinate system informations Row search matching, allow the error of 0.1 millimeter and 0.3 degree;
    S4:Industrial control computer according to the feeding demand workpiece coordinate system information and workpiece matched on the crawler belt three Coordinate system informations defined in dimension space, the optimal movement path of the end effector is planned, further controls the servo Motor control brandishes bar, and now end effector is moved to above feeding demand workpiece;
    S5:Control single gripping connecting rod so that end effector rotates to proper angle in the horizontal direction around bar is brandished;Same time control System is each to grip connecting rod so that end effector edge is brandished bar and moved, and now brandishes bar elongation, while the feeding drawn on sucker Workpiece is moved on feeding demand workpiece, and now tracheae stops suction, and completes feeding, waits next feeding demand workpiece to move In the coordinate system defined in three dimensions on to the crawler belt.
CN201710675288.6A 2017-08-09 2017-08-09 A kind of vision positioning feeder and its operating method Pending CN107458875A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109202869A (en) * 2018-11-05 2019-01-15 佛山市奇创智能科技有限公司 A kind of grabbing device and system
CN109436786A (en) * 2018-12-21 2019-03-08 广东赛德英斯智能装备有限公司 A kind of size self-adapting type article grasping means and the device for realizing this method
CN114670174A (en) * 2022-03-31 2022-06-28 三船(无锡)智能科技有限公司 Parallel robot

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Publication number Priority date Publication date Assignee Title
CN109202869A (en) * 2018-11-05 2019-01-15 佛山市奇创智能科技有限公司 A kind of grabbing device and system
CN109436786A (en) * 2018-12-21 2019-03-08 广东赛德英斯智能装备有限公司 A kind of size self-adapting type article grasping means and the device for realizing this method
CN114670174A (en) * 2022-03-31 2022-06-28 三船(无锡)智能科技有限公司 Parallel robot

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