CN103659257A - Automatic screw locking device based on computer vision - Google Patents
Automatic screw locking device based on computer vision Download PDFInfo
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- CN103659257A CN103659257A CN201310688901.XA CN201310688901A CN103659257A CN 103659257 A CN103659257 A CN 103659257A CN 201310688901 A CN201310688901 A CN 201310688901A CN 103659257 A CN103659257 A CN 103659257A
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- locking device
- programmable logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Control Of Position Or Direction (AREA)
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Abstract
The invention relates to an automatic screw locking device based on the computer vision. The automatic screw locking device based on the computer vision comprises an industrial computer, an industrial camera, a power-driven screw driver, a three-axis positioning device, a programmable controller and a device rack. The three-axis positioning device is arranged in the device rack. The power-driven screw driver is connected in the three-axis positioning device. The control end of the three-axis positioning device and the control end of the power-driven screw driver are respectively connected with the programmable controller which is connected with the industrial computer through a communication interface. The industrial camera is connected with the industrial computer. According to the automatic screw locking device based on the computer vision, the machine vision is used for positioning a screw hole and affection by position deviation does not exist. The coordinates of the position of a screw hole will be calculated for one time when each product is machined so that positioning can be accurate. A control line is simple, clear and convenient to check if a fault exists. Real-time data including the coordinates of the position, position numbers, torque values and the like of screw assembly can be visually displaed. In addition, after locking is finished, whether all screws are well locked or not is detected online, maintenance is convenient and working efficiency is high.
Description
Technical field:
The present invention relates to electric field, relate in particular to the control device on assembling line, particularly a kind of screw self-locking device based on computer vision.
Background technology:
In Product Assembly production line, often there is product needed to assemble a large amount of screws, very low by manual assembly efficiency, and the very difficult control of the situation of neglected loading screw, so need to adopt automatic assembling screw technique in prior art.In prior art, first the position data of each screw of product is obtained by the method for artificial teaching in advance, and then these data are deposited in the specific data register of Programmable Logic Controller, by corresponding triggering signal, make screw mounting machine device by the track automatic locking screw setting in advance, due to the accuracy of manufacture of this control mode to product, the positioning precision of fixture all requires very high, because position, hole is deviation slightly, machine just may be inclined to one side by screwed lock, but for some panel beating bending part products, because bending technique itself is just out of shape product unavoidably to some extent, so using merely the track mode of absolute position assembles automatically, crash rate can be very high, uniformity is very poor, and safeguard complicated, once occur losing efficacy, need the on-the-spot position data of revising in software of technical professional.
Summary of the invention:
The object of the present invention is to provide a kind of screw self-locking device based on computer vision, the described this screw self-locking device based on computer vision will solve the technical problem that causes locking inefficacy in prior art in the automatic assembling process of screw due to the deviation of the product accuracy of manufacture.
This screw self-locking device based on computer vision of the present invention, comprise industrial computer, industrial camera, electric screw driver, three axle positioners, Programmable Logic Controller and equipment rack, wherein, three described axle positioners are arranged in described equipment rack, described electric screw driver is connected in three axle positioners, three control ends of axle positioner and the control end of electric screw driver are connected with Programmable Logic Controller respectively, Programmable Logic Controller is connected with described industrial computer by communication interface, described industrial camera is connected with industrial computer.
Further, industrial camera is connected with industrial computer by Ethernet.
Further, be provided with positioning fixture in equipment rack, industrial camera is positioned at the top of described positioning fixture.
Further, Programmable Logic Controller comprises that the control end of first output and a second output electric screw driver is connected with the first described output, and the control end of three axle positioners is connected with the second described output.
Further, Programmable Logic Controller comprises the 3rd output, on the 3rd described output, is connected with an alarm lamp.
Further, Programmable Logic Controller comprises a first input end, is connected with a trigger button on described first input end.
Further, Programmable Logic Controller is connected with industrial computer by serial communication interface.
Operation principle of the present invention is: product to be assembled is put into positioning fixture, press trigger button, give input signal of Programmable Logic Controller, Programmable Logic Controller receives this signal, and then carry out its inner initialize program, Programmable Logic Controller sends a photographing signals to industrial computer, industrial computer passes to industrial camera by photographing signals, industrial camera is clapped a sub-picture for product to be assembled after receiving this signal, then image is sent to industrial computer, industrial computer calls its built-in visual processing program, calculate the position coordinates of each screw hole, by serial communication, connect each position coordinate value is written in the specific data register of Programmable Logic Controller, after having write, send again a settling signal to Programmable Logic Controller, Programmable Logic Controller receives these settling signal rear drive three axle positioners and locks one by one screw according to the Grid Track of vision calculating.
The present invention and prior art are compared, and its effect is actively with obvious.The present invention adopts machine vision to position in automatic lock screw device, is not subject to the impact of position skew, registration, and product of every processing, just calculates the position coordinates of a screw hole, can guarantee registration; This device control circuit is simple and clear, and be convenient to check fault, and can intuitively show and comprise position coordinate value, location number, whether the real time data of the screw assemblings such as torque value, can also detect online screw all to lock after locking completes; Coordinate closely, control circuit is independent, and easy to maintenance, operating efficiency is high.
Accompanying drawing explanation:
Fig. 1 is the schematic diagram of a kind of screw self-locking device based on computer vision of the present invention.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, a kind of screw self-locking device based on computer vision of the present invention, comprise industrial computer 1, industrial camera 2, electric screw driver 5, three axle positioners 6, Programmable Logic Controller 8 and equipment rack (not shown), wherein, three described axle positioners 6 are arranged in described equipment rack, described electric screw driver 5 is connected in three axle positioners 6, the control end of the control end of three axle positioners 6 and electric screw driver 5 is connected with Programmable Logic Controller 8 respectively, Programmable Logic Controller 8 is connected with described industrial computer 1 by communication interface, described industrial camera 2 is connected with industrial computer 1.
Further, industrial camera 2 is connected with industrial computer 1 by Ethernet.
Further, be provided with positioning fixture (not shown) in equipment rack, industrial camera 2 is positioned at the top of described positioning fixture.
Further, Programmable Logic Controller 8 comprises that the control end of first output and a second output electric screw driver 5 is connected with the first described output, and the control end of three axle positioners 6 is connected with the second described output.
Further, Programmable Logic Controller 8 comprises the 3rd output, on the 3rd described output, is connected with an alarm lamp 7.
Further, Programmable Logic Controller 8 comprises a first input end, is connected with a trigger button 9 on described first input end.
Further, Programmable Logic Controller 8 is connected with industrial computer 1 by serial communication interface.
The operation principle of the present embodiment is: product 3 to be assembled is put into positioning fixture, press trigger button, give 8 one input signals of Programmable Logic Controller, Programmable Logic Controller 8 receives this signal, and then carry out its inner initialize program, Programmable Logic Controller 8 sends a photographing signals to industrial computer 1, industrial computer 1 passes to industrial camera 2 by photographing signals, industrial camera 2 is clapped a sub-picture for product 3 to be assembled after receiving this signal, then image is sent to industrial computer 1, industrial computer 1 calls its built-in visual processing program, calculate the position coordinates of each screw hole 4, by serial communication, connect each position coordinate value is written in the specific data register of Programmable Logic Controller 8, after having write, send again a settling signal to Programmable Logic Controller 8, Programmable Logic Controller 8 receives these settling signal rear drive three axle positioners 6 and locks one by one screw according to the Grid Track of vision calculating.
Claims (7)
1. the screw self-locking device based on computer vision, comprise industrial computer, industrial camera, electric screw driver, three axle positioners, Programmable Logic Controller and equipment rack, it is characterized in that: three described axle positioners are arranged in described equipment rack, described electric screw driver is connected in three axle positioners, three control ends of axle positioner and the control end of electric screw driver are connected with Programmable Logic Controller respectively, Programmable Logic Controller is connected with described industrial computer by communication interface, described industrial camera is connected with industrial computer.
2. a kind of screw self-locking device based on computer vision as claimed in claim 1, is characterized in that: industrial camera is connected with industrial computer by Ethernet.
3. a kind of screw self-locking device based on computer vision as claimed in claim 1, is characterized in that: in equipment rack, be provided with positioning fixture, industrial camera is positioned at the top of described positioning fixture.
4. a kind of screw self-locking device based on computer vision as claimed in claim 1, it is characterized in that: Programmable Logic Controller comprises that the control end of first output and a second output electric screw driver is connected with the first described output, and the control end of three axle positioners is connected with the second described output.
5. a kind of screw self-locking device based on computer vision as claimed in claim 1, is characterized in that: Programmable Logic Controller comprises the 3rd output, on the 3rd described output, is connected with an alarm lamp.
6. a kind of screw self-locking device based on computer vision as claimed in claim 1, is characterized in that: Programmable Logic Controller comprises a first input end, is connected with a trigger button on described first input end.
7. a kind of screw self-locking device based on computer vision as claimed in claim 1, is characterized in that: Programmable Logic Controller is connected with industrial computer by serial communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688901.XA CN103659257A (en) | 2013-12-16 | 2013-12-16 | Automatic screw locking device based on computer vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688901.XA CN103659257A (en) | 2013-12-16 | 2013-12-16 | Automatic screw locking device based on computer vision |
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| CN103659257A true CN103659257A (en) | 2014-03-26 |
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| CN201310688901.XA Pending CN103659257A (en) | 2013-12-16 | 2013-12-16 | Automatic screw locking device based on computer vision |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259839A (en) * | 2014-09-03 | 2015-01-07 | 四川长虹电器股份有限公司 | Automatic screw machine based on visual identification and screw installation method thereof |
| CN104932315A (en) * | 2015-06-24 | 2015-09-23 | 苏州工业职业技术学院 | Virtual screw positioning system and positioning method |
| CN104924064A (en) * | 2015-07-08 | 2015-09-23 | 上海第二工业大学 | Automatic screw disassembling method and device based on visual positioning and torque control |
| CN105043751A (en) * | 2015-08-31 | 2015-11-11 | 符自彬 | Intelligent electric screwdriver detection device |
| CN105750892A (en) * | 2016-04-07 | 2016-07-13 | 内蒙古工业大学 | Automatic screw assembly-in-place detection system on basis of real-time image processing |
| CN105973914A (en) * | 2016-07-08 | 2016-09-28 | 三峡大学 | Screw mounting and detecting integrated equipment based on machine vision and operating method for screw mounting and detecting integrated equipment |
| CN107598557A (en) * | 2017-11-09 | 2018-01-19 | 深圳市联和智能技术有限公司 | Filature |
| CN108608379A (en) * | 2016-12-12 | 2018-10-02 | 维布络有限公司 | Intelligent power tool |
| CN109085791A (en) * | 2018-07-25 | 2018-12-25 | 嘉兴锐川电气有限公司 | Punching machine visual monitor system and its monitoring method |
| CN109128788A (en) * | 2018-10-16 | 2019-01-04 | 昆山迈致治具科技有限公司 | A kind of device and method verifying screwdriver bit position |
| CN109986323A (en) * | 2019-04-01 | 2019-07-09 | 南京睿易智能科技有限公司 | A kind of screw automatic charging device flexible and method |
| CN110000551A (en) * | 2019-04-25 | 2019-07-12 | 昆明理工大学 | A kind of automatic tapping machine of Three Degree Of Freedom |
| CN110127447A (en) * | 2019-04-30 | 2019-08-16 | 东华大学 | A kind of ingot shaft vibration test device under high-speed winder whole process state |
| CN110170827A (en) * | 2019-05-30 | 2019-08-27 | 河南沐桐环保产业有限公司 | Battery pack screw disassembling method |
| CN110202362A (en) * | 2019-06-27 | 2019-09-06 | 上海递缇智能***有限公司 | The bolt of vision auxiliary positioning tightens error-preventing method |
| CN112935775A (en) * | 2021-01-27 | 2021-06-11 | 青岛海尔工业智能研究院有限公司 | Intelligent visual full-automatic screw locking method and device |
| CN113732681A (en) * | 2021-09-09 | 2021-12-03 | 普雷思讯自动化科技(苏州)有限公司 | Multi-angle automatic screw machine of paying of lock |
| CN114833562A (en) * | 2022-04-09 | 2022-08-02 | 东莞市博鑫智能设备有限公司 | Online vision screw machine |
| CN115106767A (en) * | 2022-08-01 | 2022-09-27 | 中国船舶集团有限公司第七一六研究所 | Screw fool-proof screwing system based on ultrasonic positioning |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259839A (en) * | 2014-09-03 | 2015-01-07 | 四川长虹电器股份有限公司 | Automatic screw machine based on visual identification and screw installation method thereof |
| CN104932315A (en) * | 2015-06-24 | 2015-09-23 | 苏州工业职业技术学院 | Virtual screw positioning system and positioning method |
| CN104924064A (en) * | 2015-07-08 | 2015-09-23 | 上海第二工业大学 | Automatic screw disassembling method and device based on visual positioning and torque control |
| CN105043751A (en) * | 2015-08-31 | 2015-11-11 | 符自彬 | Intelligent electric screwdriver detection device |
| CN105750892A (en) * | 2016-04-07 | 2016-07-13 | 内蒙古工业大学 | Automatic screw assembly-in-place detection system on basis of real-time image processing |
| CN105973914A (en) * | 2016-07-08 | 2016-09-28 | 三峡大学 | Screw mounting and detecting integrated equipment based on machine vision and operating method for screw mounting and detecting integrated equipment |
| CN108608379A (en) * | 2016-12-12 | 2018-10-02 | 维布络有限公司 | Intelligent power tool |
| CN107598557A (en) * | 2017-11-09 | 2018-01-19 | 深圳市联和智能技术有限公司 | Filature |
| CN109085791A (en) * | 2018-07-25 | 2018-12-25 | 嘉兴锐川电气有限公司 | Punching machine visual monitor system and its monitoring method |
| CN109128788B (en) * | 2018-10-16 | 2024-02-06 | 昆山迈致治具科技有限公司 | Device and method for checking batch head position |
| CN109128788A (en) * | 2018-10-16 | 2019-01-04 | 昆山迈致治具科技有限公司 | A kind of device and method verifying screwdriver bit position |
| CN109986323A (en) * | 2019-04-01 | 2019-07-09 | 南京睿易智能科技有限公司 | A kind of screw automatic charging device flexible and method |
| CN110000551A (en) * | 2019-04-25 | 2019-07-12 | 昆明理工大学 | A kind of automatic tapping machine of Three Degree Of Freedom |
| CN110127447A (en) * | 2019-04-30 | 2019-08-16 | 东华大学 | A kind of ingot shaft vibration test device under high-speed winder whole process state |
| CN110127447B (en) * | 2019-04-30 | 2021-08-06 | 东华大学 | Spindle vibration testing device of high-speed winding machine in full-flow state |
| CN110170827A (en) * | 2019-05-30 | 2019-08-27 | 河南沐桐环保产业有限公司 | Battery pack screw disassembling method |
| CN110202362A (en) * | 2019-06-27 | 2019-09-06 | 上海递缇智能***有限公司 | The bolt of vision auxiliary positioning tightens error-preventing method |
| CN112935775A (en) * | 2021-01-27 | 2021-06-11 | 青岛海尔工业智能研究院有限公司 | Intelligent visual full-automatic screw locking method and device |
| CN113732681A (en) * | 2021-09-09 | 2021-12-03 | 普雷思讯自动化科技(苏州)有限公司 | Multi-angle automatic screw machine of paying of lock |
| CN114833562A (en) * | 2022-04-09 | 2022-08-02 | 东莞市博鑫智能设备有限公司 | Online vision screw machine |
| CN115106767A (en) * | 2022-08-01 | 2022-09-27 | 中国船舶集团有限公司第七一六研究所 | Screw fool-proof screwing system based on ultrasonic positioning |
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Application publication date: 20140326 |