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Automatic screw disassembling method and device based on visual positioning and torque control

A technology of torque control and visual positioning, applied in manufacturing tools, metal processing equipment, metal processing, etc., can solve problems such as low efficiency, operator injury accidents, rising labor costs, etc., to achieve easy operation, accurate positioning, and disassembly efficiency high effect

Active Publication Date: 2015-09-23
SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outstanding problem of manual dismantling is low efficiency, and labor costs are increasing year by year
In addition, dust, noise and other factors during the dismantling process will cause harm to the environment and operators, and accidental misoperation will cause industrial accidents for operators.

Method used

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  • Automatic screw disassembling method and device based on visual positioning and torque control
  • Automatic screw disassembling method and device based on visual positioning and torque control

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Experimental program
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Embodiment Construction

[0032] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0033] figure 1 It is a schematic diagram of the overall structure of the present invention. Such as figure 1 As shown, the present invention discloses a method and device for automatically removing screws based on visual positioning and torque control. The method includes a central controller controlling an industrial camera through a network card, collecting limit sensor signals through a motion control card, and controlling four servo motor drivers , where three motors are used for three-axis position movement, and the fourth motor is used to drive the screwdriver to rotate.

[0034] The specific method includes the following steps:

[0035] (1) System reset, system self-test;

[0036] (2) The X and Y axis servo motor drives the linear module to move the industrial camera to the t...

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Abstract

The invention relates to an automatic screw disassembling method and device based on visual positioning and torque control. The method includes the steps that a central controller controls an industrial camera through a network card, collects signals of a limiting sensor through a motion control card and controls four servo motor drivers, three motors are used for three axis position movement, and a fourth motor is used for driving a screwdriver to rotate. The industrial camera is carried by the three axis motors to move close to a target screw, a light source is turned on for photographing, the center position of the screw is recognized by adopting an image recognition method, two-dimensional coordinates of the center position are output, the three axis motors control the screwdriver to move to the center of the screw, the servo motor in a torque control mode controls the screwdriver to rotate, and the Z-axis motor synchronously cooperates to retreat so as to unscrew the screw. The automatic screw disassembling device is accurate in positioning, easy to operate, high in disassembling efficiency and capable of being used for automatically disassembling screws of various products.

Description

technical field [0001] The present invention relates to an automatic screw removal method and its device, in particular to an automatic screw removal method based on visual positioning and torque control, which is accurate in positioning, easy to operate, high in removal efficiency, and can be applied to automatic removal of screws of various products. its device. Background technique [0002] With the development of industries such as home appliances, a huge amount of electronic waste is faced with the problem of how to properly dispose of it. In the process of dismantling household appliances and electronic products, the disassembly of fixing screws is a key issue. At present, the dismantling industry of electronic waste components in my country mainly relies on manual disassembly. The outstanding problem of manual dismantling is low efficiency, and labor costs are increasing year by year. In addition, factors such as dust and noise in the dismantling process will cause ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/06
CPCB23P19/06
Inventor 秦琴屠子美刘唯黄江巍
Owner SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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