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Focusing light spot oscillating type cigarette tipping paper laser boring method and device

A technology of cigarette tipping paper and laser drilling, which is applied to laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of not providing the realization method of tipping paper, and achieve beautiful and changeable appearance, easy technology, The effect of low equipment cost and maintenance cost

Inactive Publication Date: 2010-11-10
苏州市博海激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yuxi Jincan Technology Co., Ltd. has proposed a variety of tipping papers with patterns composed of micropores, for example: Chinese patent "Cigarette tipping paper with patterns composed of micropores" (patent number: ZL200410036764.2) and Chinese patent "A kind of tipping paper with arc-shaped graphics composed of micropores" (Patent No.: ZL200420050165.1), but none of the above patents provides a specific method for punching holes with micropore patterns on the surface of tipping paper

Method used

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  • Focusing light spot oscillating type cigarette tipping paper laser boring method and device
  • Focusing light spot oscillating type cigarette tipping paper laser boring method and device
  • Focusing light spot oscillating type cigarette tipping paper laser boring method and device

Examples

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Embodiment 1

[0035] Example 1: Combining figure 1 Shown is a specific embodiment of the laser punching device for cigarette tipping paper of the present invention, which includes a laser 1, a polygonal mirror beam splitting mechanism, a focusing mechanism, a paper feeding mechanism that drives the tipping paper to move continuously, and a bottom end The focusing lens 9 and the control system (not shown in the figure), the tipping paper online speed detection device (8) and the laser cooling system (not shown in the figure) are jointly composed. Where: the laser 1 is a high-power continuous CO2 Laser, its output power is continuously adjustable from 50 to 2000 watts, and the laser output wavelength is 10.6 μm. The polygonal mirror beam splitting mechanism consists of a polygonal mirror 2, a high-speed motor (not shown) that drives the polygonal mirror 2 to rotate, a front-end focusing mirror 6 for focusing the continuous laser beam emitted by the laser 1 on a certain working surface of the ...

Embodiment 2

[0045] Example 2: Combining Figure 5 As shown, the difference between this embodiment and Embodiment 1 is that each focusing head 3 can also complete focusing by means of reflection, specifically, there are two symmetrical arrangements inside it and are used to guide the continuous laser beam by 90° twice. 45° reflector 11 and a focusing head reflective focus mirror 13 for converging and outputting the reflected light after the aforementioned guidance. After the pulsed laser beam emitted from the pulse laser 101 passes through the first 45° reflector 11, the optical path changes by 90° , and then incident on the second 45 ° reflector 13, the optical path is changed by 90 °, and finally after being focused by the reflective focusing mirror 14, the focus falls on the surface of the tipping paper 10 to be processed. Others of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

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Abstract

The invention discloses a focusing light spot oscillating type cigarette tipping paper laser boring method. Continuous laser beams output by a continuous laser are focused on a certain working surface of a high speed rotating prism, wherein, the included angles of normal direction of each working surface and mirror axis are inconsistent; K-path pulsed laser beams which can rapidly oscillate along the direction vertical to the rotary direction of the prism is formed by scanning and beam splitting of the prism; K focusing light spots which can horizontally and rapidly oscillate along a moving cork paper bobbin are formed by that K focusing heads focus and output the K-path pulsed laser beams; and repeated regular punching distribution of K nonlinear line lattices is formed on the surface of the cork paper bobbin, wherein, K is more than or equal to 1. The method of the invention can realize the continuous motion that the focusing light spot horizontally and rapidly oscillate along the cork paper bobbin to match with the cork paper bobbin, and drills small holes which are distributed in a curved shape or arrangement distribution of repeat graphs in the length direction of the cork paper bobbin on the surface of the cork paper bobbin.

Description

technical field [0001] The invention relates to a method and a device for laser drilling of cigarette tipping paper with focus light spot swing. Background technique [0002] It is a generally accepted fact that smoking is harmful to health, and reducing tar content is of great significance to improving the health of smoking groups. Cigarette manufacturers in various countries have invested a lot of manpower, material resources and huge funds to conduct extensive and in-depth research on the theoretical methods, technologies and practical applications of reducing the tar content of cigarettes, and have developed a variety of tar reduction technologies. [0003] Cigarette tipping paper is used as the special outer packaging paper for cigarette filters. It was once named tipping paper because of its appearance similar to pine wood grain. The principle of filter ventilation and dilution technology is to allow external air to enter the filter when smoking cigarettes by punching...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/36B23K26/04B23K26/06B23K26/42B23K26/046B23K26/064B23K26/382B23K26/70
Inventor 陈培锋孙长东王焄
Owner 苏州市博海激光科技有限公司
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