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High-precision assembling system and assembling method

An assembly system, high-precision technology, applied in measuring devices, optical devices, program-controlled manipulators, etc., can solve the problems of low assembly accuracy, weak rigidity, and no matching joints, and achieve the effect of high accuracy

Pending Publication Date: 2021-03-02
INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-precision assembly system, which solves the problem of low assembly accuracy caused by robot assembly in the prior art, and can realize high-precision small-gap assembly of large-size products with weak rigidity and no matching spigot

Method used

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  • High-precision assembling system and assembling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] like Figure 1-Figure 5 As shown, it includes material loading module, assembly module, assembly operation module, measurement and control module and assembly information module;

[0057] The loading module is used for storage and loading of products to be assembled, and mainly includes a product storage library and a product loading table 2 and product tooling formulated according to the structural characteristics of the product and the functional requirements of the assembly system, and the product tooling is disassembled and installed on the product. on the feeding table;

[0058] The assembly module includes a product assembly platform 6 and various brackets, fixing mechanisms, lifting mechanisms, etc. required for assembly, and is used to install the assembly operation module;

[0059] The assembly operation module includes a robot 3 and a six-degree-of-freedom translation platform 4, the six-degree-of-freedom translation platform 4 is installed on a product assem...

Embodiment 2

[0076] like Figure 1-Figure 5 As shown, this embodiment is based on Embodiment 1, the measuring device 5 includes a horizontal mounting plate 53, a horizontal translation mechanism and a vertical translation mechanism, and the inner side of the horizontal mounting plate 53 is provided with a semicircular groove;

[0077] The horizontal translation mechanism and the vertical translation mechanism are respectively arranged on the top and the bottom of the horizontal mounting plate 53, the horizontal translation mechanism is arranged on the outside of the six-degree-of-freedom translation stage 4, and the line laser sensor 51 and the visual camera are installed on the On the horizontal translation mechanism;

[0078] Described horizontal translation mechanism comprises two groups of horizontal linear displacement stages 52, and two groups of horizontal linear displacement stages 52 are arranged on the horizontal mounting plate 53 at an angle of 90 °, and the two groups of horizo...

Embodiment 3

[0086] like Figure 1-Figure 5 As shown, this embodiment is based on Embodiment 1, and also includes a base 7 and a robot support base 8;

[0087] The robot 3 is installed on the robot support base 8, and the robot support base 8 and the product assembly platform 6 are both installed on the base 7; it also includes a guardrail 1, and the guardrail 1 is arranged outside the entire assembly system.

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Abstract

The invention discloses a high-precision assembly system and an assembling method. The assembling system comprises a feeding module, an assembling module, an assembling operation module, a measurementand control module and an assembling information module, wherein the assembling operation module comprises a robot and a six-degree-of-freedom displacement table, the six-degree-of-freedom displacement table is arranged on a product assembling table, the six-degree-of-freedom displacement table is used for assembling products, the robot is used for grabbing the products to be assembled on the feeding module and moving the products to be assembled to the position right above the six-degree-of-freedom displacement table, the measurement and control module comprises a measurement module, two groups of same measurement devices of the measurement module are oppositely arranged, each measuring device comprises a linear laser sensor and a visual camera, and the linear laser sensor and the visualcamera are in communication connection with the six-degree-of-freedom displacement table. According to the system and the method, the products can be carried through the planar robot, and precise posture adjustment of the products in the assembling process is achieved through the six-degree-of-freedom displacement table; and the robot and the six-degree-of-freedom displacement table are matched with each other to realize a product assembling process with high-precision assembling requirements.

Description

technical field [0001] The invention relates to the technical field of mechanical assembly, in particular to a high-precision assembly system and an assembly method. Background technique [0002] For large-sized products that have matching spigots, high-precision assembly requirements, and good rigidity, technologies such as multi-degree-of-freedom robot motion mechanisms, force-machine vision-laser displacement sensing, multi-information coupling, and pose adjustment can be used to overcome product Flexible docking, flexible grasping and flexible assembly. However, for large-sized products with special materials, weak rigidity and no matching seam, the products cannot collide during the assembly process, so it is not suitable to use flexible butt joints, and it is difficult to achieve high-precision small-gap assembly. There is a loss of precision between the fixture of the robot and the end of the robot, there is a loss of precision between the fixture and the parts to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/00B25J9/16G01B11/00
CPCB23P19/00B23P19/007B25J9/1687G01B11/00
Inventor 张思煜张连新岳晓斌陈东生赵午云姚云飞卢晓冬
Owner INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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