Laser butt riveting method and device for ultra-thin plates

A plate and laser technology, applied in laser welding equipment, welding equipment, welding/welding/cutting items, etc., can solve problems such as limited production efficiency and stability, difficult discharge of bulging liquid, and increased interlocking embedding volume, etc. Achieve the effect of convenient operation, not easy to break, and large deformation

Active Publication Date: 2020-09-18
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the inventors found that although this method has improved the effect of the riveting technique compared with the patent document CN 101214580 A, the shape and structural characteristics of the riveted buckle have not changed substantially, but the interlocking embedded amount has increased. It is still easy to fall off under the normal force; the liquid in the bulge is not easy to discharge, which will have an adverse effect on the riveting; there are many operating steps, and the production efficiency and stability are limited

Method used

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  • Laser butt riveting method and device for ultra-thin plates
  • Laser butt riveting method and device for ultra-thin plates
  • Laser butt riveting method and device for ultra-thin plates

Examples

Experimental program
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Effect test

no. 1 example

[0038] first embodiment ,refer to figure 1, an example of an ultra-thin plate laser butt riveting device designed in the present invention, including: a water curtain generator 1, a water tank 2, a water pump 3, a pulse laser 4 and a computer terminal 5. Wherein: the water curtain generator 1 is installed above the water tank 2, a water pump 3 is arranged on the connecting pipeline between the water curtain generator 1 and the water tank 2, so as to recycle the water in the water tank, and the water curtain generator 1 is Two, so that the left side plate 6 and the right side plate 7 are provided with water curtain 8 respectively; The pulse laser 4 is two, and symmetrically arranged on the left and right sides of the water curtain formed by the water curtain generator 1, The computer terminal 5 is used to control the pulsed laser 4 .

[0039] It can be understood that on the basis of the first embodiment, technical solutions including but not limited to the following can als...

no. 2 example

[0040] second embodiment , use a laser and a beam splitting device to replace the above two pulse lasers, use the beam splitting device to divide the beam emitted by the laser into two beams, and perform opposite impact.

no. 3 example

[0041] third embodiment , a kind of laser hedge riveting of ultra-thin plates, which is realized by the device described in the first embodiment, includes the following steps:

[0042] (1) Select a stainless steel plate with a thickness of 0.2mm as the left plate, and the diameter of the hole on it is 2.5mm; select a pure copper plate with a thickness of 0.05mm as the right plate.

[0043] (2) Install two plates to be riveted vertically side by side in a left-right manner to form a composite plate, wherein the left plate 6 is provided with a through hole 9, and the right plate 7 does not have a through hole; in the composite plate The two outer surfaces form a water curtain 8 through the water curtain generator 1;

[0044] (3) Control the center of the laser beam to align with the center of the through hole, and use the laser beam to simultaneously impact the right side plate 7 from the left and right sides of the composite plate. The spot diameter of the laser beam on the r...

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Abstract

The invention relates to the technical field of ultrathin plate riveting, in particular to a laser opposite impacting and riveting method and device for ultrathin plates. The device comprises a watercurtain generator, a water tank, a water pump, pulse laser devices and a computer terminal. The water curtain generator is mounted above the water tank, and the water pump is arranged on a connectingpipeline between the water curtain generator and the water tank, so that water in the water tank is cyclically utilized. The two pulse laser devices are symmetrically arranged on the left side and theright side of a water curtain formed by the water curtain generator. The computer terminal is used for controlling the pulse laser devices. By means of the method, lasers are emitted from the left side and the right side at the same time to impact the plate on the right side, the deformation mode of traditional laser impacting forming is changed, plate deformation is increased, then the embeddedamount of the interlocking structure is increased, the rivet-buckling structure is optimized, the connecting strength of riveted positions is improved, and forming efficiency is high.

Description

technical field [0001] The invention relates to the technical field of riveting of ultra-thin plates, in particular to a laser butt riveting method and device for ultra-thin plates. Background technique [0002] The information disclosed in the Background of the Invention is only intended to increase the understanding of the general background of the invention, and is not necessarily to be taken as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art. [0003] Plate riveting is an important part of plate joining technology and is widely used in modern industry. As one of the important problems in this field, micro-riveting of ultra-thin sheets is receiving more and more attention. [0004] There have been some studies on micro-riveting of ultra-thin sheets in the prior art. Patent document CN 101214580 A proposes a pulse laser micro-riveting method for ultra-thin plates and a special de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/20B23K26/067B23K26/0622B23K26/146B23K101/18
CPCB23K26/0622B23K26/067B23K26/146B23K26/20B23K2101/18
Inventor 季忠王逸群王建峰卢国鑫刘韧
Owner SHANDONG UNIV
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