A rivet quality rating and automatic sorting system and method

An automatic sorting system and rivet technology, applied in sorting and other directions, can solve the problems of no rating and screening process, low detection efficiency, single type of rivets, etc., to reduce the influence of external light, high measurement accuracy, hardware cost and structure. low-complexity effects

Active Publication Date: 2019-10-11
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is: the type of rivet detection is very single, the detection efficiency is not high, the accuracy is limited, and there is no rating and screening process from high to low in the process of grade classification. The present invention provides a solution to the above problems. A rivet quality rating and automatic sorting system

Method used

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  • A rivet quality rating and automatic sorting system and method
  • A rivet quality rating and automatic sorting system and method
  • A rivet quality rating and automatic sorting system and method

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Comparison scheme
Effect test

Embodiment 1

[0067] This embodiment provides a rivet quality rating and automatic sorting system, including a material delivery device 1, a detection device 2, a screening device 3 and an automatic control unit; the material delivery device 1 is used to deliver rivets 5 to the detection device, and Output the rivet 5 after the detection to the screening device 3; the detection device 2 includes a clamping mechanism 21 and an information collection mechanism 22, the clamping mechanism 21 includes a pneumatic finger 210 and a pneumatic turntable 211, and the two free ends of the pneumatic finger 210 are A first gripping plate 212 and a second gripping plate 213 are respectively provided on the first finger, and the pneumatic finger 210 controls the first gripping plate 212 and the second gripping plate 213 to open or close together for the rivet 5;

[0068] The pneumatic finger 210 is connected to the pneumatic turntable 211, specifically, the pneumatic finger 210 is connected to the pneumati...

Embodiment 2

[0077] Further improvement on the basis of Embodiment 1, the material conveying device 1 includes a vibrating plate 11 and a conveyor belt 12, the output end of the vibrating plate 11 is connected to the input end of the conveyor belt 12, the conveyor belt 12 is located below the pneumatic finger 210, and the conveyor belt 12 Used to transport rivets 5. The conveyor belt 12 is provided with a photoelectric switch 13 near the side of the pneumatic finger 210, and the photoelectric switch 13 is used to detect the position of the rivet 5 on the conveyor belt 12, and transmits the detection information to the PLC controller, and the PLC controller according to the detection information The clamping mechanism 21 is controlled to complete the clamping action.

Embodiment 3

[0079] Further improvement on the basis of Embodiment 2, the first grasping plate 212 and the electronic ruler 220 of the pull rod are fixed on one of the finger ends of the pneumatic finger 210 through the first connecting bar 214, specifically, the electronic ruler 220 of the pull rod passes through the base 228 and The L-shaped bracket 229 is fixed on the first connecting bar 214; the second grasping plate 213 and the distance measuring plate 222 are fixed on the other finger end of the pneumatic finger 210 by the second connecting bar 215; the first connecting bar 214 and the second connecting bar 215 are C-shaped structures. The information collection mechanism 22 also includes a square light source 223 and a ring light source 224, the square light source 223, the ring light source 224 and the camera 221 are sequentially arranged on a straight line; when the camera 221 takes pictures to collect graphic information, the rivet 5 is located on the straight line . The inform...

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Abstract

The invention discloses a rivet quality rating and automatic sorting system, which includes a material conveying device, a detection device, a screening device and an automatic control unit; the material conveying device transports rivets for the detection device, and outputs the rivets after detection to the screening device; The detection device includes a clamping mechanism and an information collection mechanism. After the rivet is clamped, the rod electronic ruler measures the diameter of the rivet rod, the camera collects the image of the rivet, and the industrial computer classifies the quality grade of the rivet according to the diameter of the rivet rod combined with image processing technology The results are recorded and transmitted to the screening device; the screening device includes a sorting tank and a sorting bucket, and the sorting tank is rotated according to the rivet quality grade division results, and the rivet is transported to the sorting bucket of the corresponding grade. The invention adopts the method of combining the rod electronic ruler and the image processing technology to effectively improve the detection accuracy, can select different evaluation standards, complete the quality rating and automatic sorting of various types of rivets, and has high work efficiency.

Description

technical field [0001] The invention relates to the technical field of parts automatic detection, in particular to a rivet quality rating and automatic sorting system and method. Background technique [0002] A rivet is a standard fastener used for cold joining of parts. It is widely used in aviation, railway, ship and other equipment. If the rivets in the equipment loosen or break due to quality problems, the connected parts will be loosened, resulting in serious accidents. Therefore, the quality of the rivets is directly related to the performance and safety of the equipment. The quality of rivets is reflected in two aspects of size and surface defects. figure 1 Shown is a common countersunk head rivet. The size of the rivet mainly includes the taper angle of the countersunk head, the outer diameter of the top surface, the thickness of the head, the length of the rivet, and the diameter of the rivet shaft. Among them, since the rivet rod is in contact with the connecte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07C5/02B07C5/06B07C5/342B07C5/36
Inventor 罗建桥欧阳熊鹰李柏林
Owner SOUTHWEST JIAOTONG UNIV
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