CN101804518A - Laser boring method and equipment of multi-laser parallel cigarette tipping paper - Google Patents
Laser boring method and equipment of multi-laser parallel cigarette tipping paper Download PDFInfo
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Abstract
The invention discloses laser boring method and equipment of multi-laser parallel cigarette tipping paper. K paths of continuous laser beams can be output by using K continuous lasers with the same output power and can be simultaneously focused on a certain working surface of a prism rotating at a high speed at the same incident angle and different incident points; the invention ensures that K incident points are linearly arrayed at the same intervals along the width direction of a working surface, are scanned by the prism to form K paths of sectional reflected scanning light beams which are distributed in parallel along the rotating direction of the prism; when K paths of sectional scanning light beams simultaneously scan N/K independent focus mechanisms in sequence, each focus mechanism correspondingly outputs linearly and densely arrayed K paths of punching pulse laser along the width direction of cork paper bobbin which is simultaneously punched and is matched with continuous movement of the cork paper bobbin; and total N rows of small holes which are arrayed and distributed on the surface of the cork paper bobbin along the width direction, wherein K is not less than 2, N is 2n and n is not less than 2. The invention reduces the production cost while improving the processing efficiency.
Description
Technical field
The present invention relates to a kind of multi-laser parallel cigarette tipping paper laser boring method and equipment.
Background technology
Smoking is harmful to your health is admitted facts, reduces tar content to improving the healthy significant of smoking colony.The cigarette manufacturer of various countries has dropped into great amount of manpower and material resources and a huge sum of money in succession, extensive and deep research has been carried out in the aspects such as theoretical method, technology and application in practice that reduce cigarette tar content, and developed the multiple burnt technology of falling.
Cigarette tipping paper is as the special-purpose external packing paper of cigarette filter, because of its outer appearnce pine line yew paper of once gaining the name seemingly.The principle of filter tip ventilation dilution technology is: by punching on yew paper, use high-air-permeability filter stick formation paper or make mode such as groove on filter stick, dilute thereby when smoking cigarette, extraneous air is entered in the filter tip and to main flume, the tar content that sucks human body is reduced relatively.This technology has become in the world the most extensive and the most effective burnt technology of falling that adopts.Have at present on cigarette about 90% and the market, West Europe about 80% cigarette all adopt the ventilation filter tip on the U.S. cigarette market, in the states such as Japan in Asia, the ventilation filter tip cigarette also occupies sizable ratio in addition.This is simple, ripe and fall burnt technology very reliably to adopt the ventilation filter tip, it is also fairly obvious that it falls burnt effect, as reducing tar content in cigarette more than 70% behind the U.S. Carlton board cigarette employing ventilation filter tip, reduce CO up to more than 80%, and, also make the smoking quality of this cigarette keep higher level by strengthening perfuming, reinforced measure.
At present, the ratio of China's cigarette with filter tip has reached 95%.Along with the mankind for the raising day by day that health of smokers protection requires, can effectively reduce tar content and reduce nicotine that the yew paper drilling technology of health of people injury is obtained popularizing rapidly.
The yew paper punching technology of development and utilization at present mainly comprises technology such as mechanical punching, electric spark-erosion perforation, laser boring, and wherein laser boring becomes the mode that extensively adopts in the world owing to have punch even, the stable advantages of higher of air permeability.
At present, the tipping paper laser beam drilling equipment of having succeeded in developing and being used to produce adopts mechanical type chopper disk light beam modulation principle (for example: Chinese patent " online tipping paper laser beam drilling cigarettes filter " usually, the patent No.: ZL02263600.5) (for example: Chinese patent " tipping paper laser beam drilling machine " scan light-dividing principle with rotary polygon prism, the patent No.: ZL200820147995.4) two kinds of basic schemes, the continuous laser beam of continuous wave laser output is transformed into pulse laser beam, to realize that online ventilative capillary processing is carried out on yew paper surface.Simultaneously, because polygon prism scanning beam split mode is high a lot of than the mechanical type chopper disk to the utilization rate of laser energy, thereby the tipping paper laser beam drilling technology generally is partial to adopt the mode of polygon prism scanning beam split that continuous laser beam is carried out conversion, to realize the output of punching pulse type laser.
At present, the basic principle that scans the tipping paper laser beam drilling equipment of beam split mode based on polygon prism is: utilize separate unit continuous wave laser output continuous laser beam, and it is focused on certain working face of rotary polygon prism; This working face in rotary course with the inswept successively N of laser beam (for example 4,8,16,32) compact arranged independent focusing system, each independently focusing system when laser is inswept, receive a part of laser; When polygon prism rotated, the working face of each polygon prism distributed a pulse all for above-mentioned N focusing system, and rotary like this polygon prism just is divided into the continuous laser beam that enters the pulse laser output of N road; N road pulse laser focuses on the yew paper surface of continuous motion through the individual independently focusing system of N respectively, thereby gets the aperture of N row linear pattern arranged distribution on yew paper.Said method adopts rotary polygon prism scan mode that a branch of continuous laser beam is divided into N bundle (for example 4,8,16,32 bundles) pulse laser, so the energy of each bundle of pulsed laser is N/one of continuous laser beam power.
Along with the raising day by day of reducing cigarette tar and reducing amplitude requirement, cigarette manufacturer requires also more and more higher for the air permeability of laser boring yew paper.But for above-mentioned conventional tipping paper laser beam drilling equipment based on polygon prism scanning light-dividing principle, guaranteeing to have under the higher perforation processing efficient prerequisite, the high more power output of laser instrument that equipment adopts that then requires of air permeability is also high more.But superpower laser often price is higher, thereby greatly reduces the cost performance of equipment, is difficult to be accepted by producer; But, then must under the movement velocity prerequisite that reduces yew paper to be processed, have enough air permeability indexs to guarantee it, thereby greatly reduce the working (machining) efficiency of tipping paper laser beam drilling if the power output of laser instrument that equipment adopts is lower.
Summary of the invention
The present invention seeks to: provide a kind of multi-laser parallel cigarette tipping paper laser boring method for the deficiency that overcomes existing tipping paper laser beam drilling method, this method can utilize many parallel continuous wave lasers to carry out the many row's punchings of high speed on motion yew paper, so that when improving working (machining) efficiency, reduce production costs.
The present invention provides a kind of multi-laser parallel cigarette tipping paper laser drilling device simultaneously, this equipment can be realized many parallel tipping paper laser beam drillings of continuous wave laser, on yew paper, carry out the ventilative capillary processing of the many rows of high speed, and simple in structure, working stability, working (machining) efficiency height.
Technical scheme of the present invention at first is: a kind of multi-laser parallel cigarette tipping paper laser boring method, this method utilizes the K platform to have the continuous wave laser output K road continuous laser beam of identical power output, focus on simultaneously with identical incident angle, different incidence points on certain working face of the polygon prism that rotates at a high speed, and guarantee that K incidence point is the identical linear pattern of spacing along described face width direction and arranges, described K road continuous laser beam forms the fan-shaped reflective scanning mode light beam in K road that is parallel distribution along described polygon prism direction of rotation after polygon prism scanning; Inswept successively N/K independently during focusing simultaneously of described K road sectoring light beam, K road light beam is by while beam split, the yew paper surface of transmitting and focusing on continuous motion; The corresponding output of each focusing is along the yew paper width K road punching pulse laser of shape dense arrangement linearly, thereby N/K corresponding altogether output N/K * K=N road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of N row along its width arranged distribution on yew paper surface; K 〉=2 wherein, N=2n, n 〉=2.
Said method of the present invention further is by following concrete steps yew paper to be punched:
1) having on the output light path of continuous wave laser of identical power output correspondence at the K platform in advance, that K angle of inclination is set is identical, and is even spaced apart front end focus lamp, wherein K 〉=2 along the face width direction of described polygon prism (204);
2) locus of N/K focusing of adjusting, make them above yew paper, be oblique line or other form dense arrangement along yew paper length direction, and the optical axis of guaranteeing each focusing in the adjustment process is all vertical with yew paper surface, N=2n wherein, n 〉=2;
3) by the wind-up roll and the let off roll clamping yew paper of paper advance mechanism;
4) start paper advance mechanism, the wind-up roll in the paper advance mechanism is rotated by the rotating speed of setting, drive the continuous motion of yew paper;
5) make the K platform have the continuous wave laser output K road continuous laser beam of identical power output, respectively after described K front end focus lamp focuses on, focus on simultaneously with identical incident angle, different incidence points on certain working face of the polygon prism that rotates at a high speed, and K incidence point is the identical linear pattern of spacing along described face width direction and arranges, described K road continuous laser beam forms the fan-shaped reflective scanning mode light beam in K road that is parallel distribution along described polygon prism direction of rotation after polygon prism scanning;
6) described K road sectoring light beam is inswept successively N/K independently during focusing simultaneously, and K road light beam is by while beam split, the yew paper surface of transmitting and focusing on continuous motion; The corresponding output of each focusing is along the yew paper width K road punching pulse laser of shape dense arrangement linearly, thereby N/K corresponding altogether output N/K * K=N road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of N row along its width arranged distribution on yew paper surface; K 〉=2 wherein, N=2n, n 〉=2.
In the said method of the present invention, described each focusing is formed by first focus lamp, first speculum, second speculum and second focus lamp, described N/K first focus lamp is fan-shaped array corresponding to certain working face of described polygon prism, and described N/K second focus lamp then is oblique line or other form dense arrangement in yew paper top along yew paper length direction.The polygon prism working face reflection of described K road through rotating at a high speed, and the focusing that the inswept successively N/K of sectoring light beam that is parallel distribution along described polygon prism direction of rotation is made up of first focus lamp, first speculum, second speculum and second focus lamp, and punch through the surface that a described N/K focusing focuses on continuous motion yew paper.
Secondly the present invention provides a kind of multi-laser parallel cigarette tipping paper laser drilling device that is used to realize said method, and it is made up of the paper advance mechanism of K platform continuous wave laser, polygon prism spectrophotometric device and the continuous motion of driving yew paper; Wherein said polygon prism spectrophotometric device by polygon prism, drive the high-speed electric expreess locomotive of polygon prism rotation, K the front end focus lamp corresponding respectively with described K platform continuous wave laser output beam, and be installed in above the paper advance mechanism and be the individual focusing composition of N/K of oblique line or other form dense arrangement along yew paper length direction with focusing function; The angle of inclination of described K front end focus lamp is identical, and the width along described polygon prism working face is even interval layout, can focus on the K road continuous laser beam of K platform continuous wave laser output on certain working face of the polygon prism that rotates at a high speed simultaneously with identical incident angle, different incidence points, and guarantee that K incidence point is the identical linear pattern of spacing along described face width direction and arranges, K 〉=2 wherein, N=2n, n 〉=2.
In the described multi-laser parallel cigarette tipping paper laser drilling device of the present invention, described each focusing is further formed by first focus lamp, first speculum, second speculum and second focus lamp, described N/K first focus lamp is fan-shaped array corresponding to certain working face of described polygon prism, and described N/K second focus lamp then is oblique line or other form dense arrangement in yew paper top along yew paper length direction; And the optical axis of described each focusing is all vertical with yew paper surface.
In the described multi-laser parallel cigarette tipping paper laser drilling device of the present invention, described K front end focus lamp can be reflective focus lamp, also can be the transmission-type focus lamp.
In the described multi-laser parallel cigarette tipping paper laser drilling device of the present invention, described paper advance mechanism is the same with routine techniques, is made of wind-up roll and let off roll, and described yew paper is by the wind-up roll driven rotary.
In the described multi-laser parallel cigarette tipping paper laser drilling device of the present invention, a side of described polygon prism links to each other with the high-speed electric expreess locomotive rotating shaft, and the face of described polygon prism is counted M=6～120.
In the described multi-laser parallel cigarette tipping paper laser drilling device of the present invention, described continuous wave laser is a power at 50～4000 watts continuous wave laser, and for example power is 50～4000 watts CO
2Continuous wave laser.
Advantage of the present invention is:
This multi-laser parallel cigarette tipping paper laser boring method provided by the invention, compared to existing technology, its advantage is as follows:
1. owing to adopt the mode of multi-laser parallel connection to come yew paper is carried out laser boring, obtain same punching effect so in actual mechanical process, can use many continuous wave lasers to substitute the present relative superpower laser of separate unit, make that the equipment overall cost is low, simple in structure, technology realizes easily.
2. owing to adopt the mode of multi-laser parallel connection to come yew paper is carried out the many row's punchings of high speed, punching speed is fast, so can realize the efficient tipping paper laser beam drilling under the high-air-permeability condition, working (machining) efficiency can be higher than prior art.
3. owing to the mode that adopts the multi-laser parallel connection comes yew paper is carried out laser boring, so in actual production, the continuous wave laser with different output power be selected and be disposed in producer can as required, improved the flexibility of tipping paper laser beam drilling equipment greatly.
In a word, the present invention utilizes many parallel continuous wave lasers to carry out the many row's punchings of high speed on yew paper, and punching speed is fast, the working (machining) efficiency height, good product quality, and the equipment overall cost that provides is low, simple in structure, flexibility is high, long service life, working stability.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the realization schematic diagram of the inventive method;
Fig. 2 is the structure and the fundamental diagram of a kind of specific embodiment of present device.
The specific embodiment
Embodiment: the present invention at first provides a kind of multi-laser parallel cigarette tipping paper laser boring method, describes below in conjunction with implementation procedure and the principle to described method shown in Figure 1, and this method comprises following concrete implementation step:
1) having on the output light path of continuous wave laser 101,102 of identical power output correspondence at the K platform in advance, that K angle of inclination is set is identical, and the width along described polygon prism 204 working faces is the reflective focus lamp 201,202 of even spaced apart front end, wherein K 〉=2;
2) locus of N/K focusing of adjusting, make them above yew paper 8, be oblique line or other form dense arrangement along yew paper 8 length directions, and the optical axis of guaranteeing each focusing in the adjustment process is all vertical with yew paper 8 surfaces, N=2n wherein, n 〉=2; Described each focusing is formed by first focus lamp 4, first speculum 5, second speculum 6 and second focus lamp 7, described N/K first focus lamp 4 is fan-shaped array corresponding to certain working face of described polygon prism 204, and described N/K second focus lamp 7 then is oblique line or other form dense arrangement in yew paper 8 tops along yew paper 8 length directions;
3) by the wind-up roll 901 and the let off roll 902 clamping yew paper 8 of paper advance mechanism;
4) start paper advance mechanism, the wind-up roll 901 in the paper advance mechanism is rotated by the rotating speed of setting, drive 8 continuous motions of yew paper;
5) make the K platform have continuous wave laser 101, the 102 output K road continuous laser beams of identical power output, respectively through reflective focus lamp 201,202 guiding of a described K front end and after focusing on, focus on simultaneously with identical incident angle, different incidence points on certain working face of the polygon prism 204 that rotates at a high speed, and K incidence point is the identical linear pattern of spacing along described face width direction to be arranged, and described K road continuous laser beam forms along the fan-shaped reflective scanning mode light beam 301,302 in the K road that described polygon prism 204 direction of rotation are parallel distribution after polygon prism 204 scannings;
6) described K road sectoring light beam 301,302 inswept successively N/K independently during focusing simultaneously, K road light beam is by the while beam split, transmission also focuses on yew paper 8 surfaces (first focus lamp, 4 conversion that described each road sectoring light beam is established in the line focus mechanism successively of continuous motion, first speculum 5 and second speculum, 6 twice guiding, after second focus lamp 7 focuses on, finally perpendicular to the 8 surface outputs of yew paper), the corresponding output of each focusing is along the yew paper width K road punching pulse laser of shape dense arrangement linearly, thereby N/K corresponding altogether output N/K * K=N road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of N row along its width arranged distribution on yew paper surface; K 〉=2 wherein, N=2n, n 〉=2.
Be illustrated in figure 2 as a kind of specific embodiment of equipment that is used for realizing multi-laser parallel cigarette tipping paper laser boring method of the present invention, it specifically is made of jointly the paper advance mechanism of K=2 platform continuous wave laser 101,102, polygon prism spectrophotometric device and 8 continuous motions of driving yew paper; Wherein said K=2 platform continuous wave laser 101,102 is the glass tube CO of 100 watts of power
2Continuous wave laser; Described polygon prism spectrophotometric device by polygon prism 204, drive the high-speed electric expreess locomotive of polygon prism 204 rotations, K=2 the front end reflective focus lamp 201,202 corresponding respectively with described 2 continuous wave lasers, 101,102 output beams, and be installed in above the paper advance mechanism and be individual focusing (focusing has only drawn among the figure) composition of N/K=2 of oblique line shape dense arrangement along yew paper 8 length directions with focusing function.
One side of described polygon prism 204 connects high-speed electric expreess locomotive rotating shaft (not drawing among the high-speed electric expreess locomotive figure), and its face is counted M=6.Described each focusing is formed by first focus lamp 4, first speculum 5, second speculum 6 and second focus lamp 7, individual first focus lamp 4 of described N/K=2 is fan-shaped array corresponding to certain working face of described polygon prism 204, and described N/K=2 second focus lamp 7 then is the oblique line shape dense arrangement in yew paper 8 tops along yew paper 8 length directions; And the optical axis of described each focusing is all vertical with yew paper 8 surfaces.Described paper advance mechanism is the same with routine techniques, is made of wind-up roll 901 and let off roll 902, and described yew paper 8 is by wind-up roll 901 driven rotary.The angle of inclination of the reflective focus lamp 201,202 of a described K=2 front end is identical, and the width along described polygon prism 204 working faces is even interval layout, the K=2 road continuous laser beam of K=2 platform continuous wave laser 101,102 outputs can be focused on certain working face of the polygon prism 204 that rotates at a high speed simultaneously with identical incident angle, different incidence points, and guarantee that K=2 incidence point is the identical linear pattern of spacing along described face width direction and arranges.
Below still in conjunction with shown in Figure 2, the principle that adopts the said equipment to carry out the punching of yew paper 8 surface lasers is described as follows: by the wind-up roll 901 and the let off roll 902 clamping yew paper 8 of paper advance mechanism, start paper advance mechanism, wind-up roll 901 in the paper advance mechanism is rotated by the rotating speed of setting, drive 8 continuous motions of yew paper.2 road continuous laser beams of K=2 platform continuous wave laser 101,102 output equal-wattages, respectively through K=2 reflective focus lamp 201,202 guiding of front end and after focusing on, focus on simultaneously with identical incident angle, different incidence points on certain working face of the polygon prism 204 that rotates at a high speed, and K=2 incidence point is the identical linear pattern of spacing along described face width direction to be arranged, and described K=2 road continuous laser beam forms along the fan-shaped reflective scanning mode light beam 301,302 in the K=2 road that described polygon prism 204 direction of rotation are parallel distribution after polygon prism 204 scannings; Inswept successively N/K=2 independently during focusing simultaneously of described K=2 road sectoring light beam, K=2 road light beam is by the while beam split, transmission also focuses on yew paper 8 surfaces (first focus lamp, 4 conversion that described each road sectoring light beam is established in the line focus mechanism successively of continuous motion, first speculum 5 and second speculum, 6 twice guiding, after second focus lamp 7 focuses on, finally perpendicular to the 8 surface outputs of yew paper), the corresponding output of each focusing is along the yew paper width K=2 road punching pulse laser of shape dense arrangement linearly, thereby N/K=2 corresponding altogether output N/K * K=2 * 2=4 road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of 4 rows along its width arranged distribution on yew paper surface.
The yew paper that adopts the foregoing description equipment to process can satisfy the requirement of single cigarette air permeability 200C.U, and its chart drive speed can reach 600m/min, this speed and the all-metal RF excited CO that adopts 200 watts of separate unit power outputs
2The chart drive speed of the tipping paper laser beam drilling equipment that laser instrument constitutes is identical; But the all-metal RF excited CO that the separate unit power output is 200 watts
2The price of laser instrument approximately is two 100 watts glass tube CO in the present embodiment
2Nearly 30 times of continuous wave laser total price.This shows that present device greatly reduces manufacturing cost.
Certainly more than only is a kind of concrete exemplary applications of present device, and the protection domain of present device is not constituted any limitation.In addition to the implementation, present device can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present device scope required for protection.
Claims (9)
1. multi-laser parallel cigarette tipping paper laser boring method, it is characterized in that: utilize the K platform to have the continuous wave laser (101 of identical power output, 102) output K road continuous laser beam, with identical incident angle, different incidence points focuses on certain working face of the polygon prism (204) that rotates at a high speed simultaneously, and guarantee that K incidence point is the identical linear pattern of spacing along described face width direction and arranges, described K road continuous laser beam forms the fan-shaped reflective scanning mode light beam (301 in K road that is parallel distribution along described polygon prism (204) direction of rotation after polygon prism (204) scanning, 302); Inswept successively N/K independently during focusing simultaneously of described K road sectoring light beam, K road light beam is by while beam split, yew paper (8) surface of transmitting and focusing on continuous motion; The corresponding output of each focusing is along the yew paper width K road punching pulse laser of shape dense arrangement linearly, thereby N/K corresponding altogether output N/K * K=N road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of N row along its width arranged distribution on yew paper surface; K 〉=2 wherein, N=2n, n 〉=2.
2. multi-laser parallel cigarette tipping paper laser boring method according to claim 1 is characterized in that: by following concrete steps yew paper is punched:
1) having on the output light path of continuous wave laser (101,102) of identical power output correspondence at the K platform in advance, that K angle of inclination is set is identical, and is even spaced apart front end focus lamp, wherein K 〉=2 along the width of described polygon prism (204) working face;
2) locus of N/K focusing of adjusting, make them be oblique line or other form dense arrangement along yew paper (8) length direction in the top of yew paper (8), and the optical axis of guaranteeing each focusing in the adjustment process is all vertical with yew paper (8) surface, N=2n wherein, n 〉=2;
3) by the wind-up roll (901) and let off roll (902) the clamping yew paper (8) of paper advance mechanism;
4) start paper advance mechanism, the wind-up roll (901) in the paper advance mechanism is rotated by the rotating speed of setting, drive yew paper (8) continuous motion;
5) make the K platform have continuous wave laser (101,102) the output K road continuous laser beam of identical power output, respectively after described K front end focus lamp focuses on, focus on simultaneously with identical incident angle, different incidence points on certain working face of the polygon prism (204) that rotates at a high speed, and K incidence point is the identical linear pattern of spacing along described face width direction and arranges, described K road continuous laser beam forms the fan-shaped reflective scanning mode light beam in K road (301,302) that is parallel distribution along described polygon prism (204) direction of rotation after polygon prism (204) scanning;
6) described K road sectoring light beam is inswept successively N/K independently during focusing simultaneously, and K road light beam is by while beam split, yew paper (8) surface of transmitting and focusing on continuous motion; The corresponding output of each focusing is along the yew paper width K road punching pulse laser of shape dense arrangement linearly, thereby N/K corresponding altogether output N/K * K=N road pulse laser of focusing, yew paper is punched simultaneously, cooperate the continuous motion of yew paper, finally form the aperture of N row along its width arranged distribution on yew paper surface; K 〉=2 wherein, N=2n, n 〉=2.
3. multi-laser parallel cigarette tipping paper laser boring method according to claim 1 and 2, it is characterized in that described each focusing is by first focus lamp (4), first speculum (5), second speculum (6) and second focus lamp (7) composition, described N/K first focus lamp (4) is fan-shaped array corresponding to certain working face of described polygon prism (204), and described N/K second focus lamp (7) then is oblique line or other form dense arrangement in yew paper (8) top along yew paper (8) length direction.The polygon prism working face reflection of described K road through rotating at a high speed, and the focusing that the inswept successively N/K of sectoring light beam that is parallel distribution along described polygon prism (204) direction of rotation is made up of first focus lamp (4), first speculum (5), second speculum (6) and second focus lamp (7), and punch through the surface that a described N/K focusing focuses on continuous motion yew paper (8).
4. realize the multi-laser parallel cigarette tipping paper laser drilling device of method according to claim 1 for one kind, it is characterized in that it is made up of K platform continuous wave laser (101,102), polygon prism spectrophotometric device and the paper advance mechanism that drives yew paper (8) continuous motion; Wherein said polygon prism spectrophotometric device by polygon prism (204), drive the high-speed electric expreess locomotive of polygon prism (204) rotation, K the front end focus lamp corresponding respectively with described K platform continuous wave laser (101,102) output beam, and be installed in above the paper advance mechanism and be the individual focusing composition of N/K of oblique line or other form dense arrangement along yew paper (8) length direction with focusing function; The angle of inclination of described K front end focus lamp is identical, and the width along described polygon prism (204) working face is even interval layout, can focus on the K road continuous laser beam of K platform continuous wave laser (101,102) output on certain working face of the polygon prism (204) that rotates at a high speed simultaneously with identical incident angle, different incidence points, and guarantee that K incidence point is the identical linear pattern of spacing along described face width direction and arranges, K 〉=2 wherein, N=2n, n 〉=2.
5. multi-laser parallel cigarette tipping paper laser drilling device according to claim 4, it is characterized in that described each focusing is by first focus lamp (4), first speculum (5), second speculum (6) and second focus lamp (7) composition, described N/K first focus lamp (4) is fan-shaped array corresponding to certain working face of described polygon prism (204), and described N/K second focus lamp (7) then is oblique line or other form dense arrangement in yew paper (8) top along yew paper (8) length direction; And the optical axis of described each focusing is all vertical with yew paper (8) surface.
6. multi-laser parallel cigarette tipping paper laser drilling device according to claim 4 is characterized in that described K front end focus lamp is reflective focus lamp or transmission-type focus lamp.
7. multi-laser parallel cigarette tipping paper laser drilling device according to claim 4 is characterized in that described paper advance mechanism is made of wind-up roll (901) and let off roll (902), and described yew paper (8) is by wind-up roll (901) driven rotary.
8. multi-laser parallel cigarette tipping paper laser drilling device according to claim 4 it is characterized in that a side of polygon prism (204) links to each other with the high-speed electric expreess locomotive rotating shaft, and the face of described polygon prism (204) is counted M=6～120.
9. multi-laser parallel cigarette tipping paper laser drilling device according to claim 4 is characterized in that described continuous wave laser is a power at 50～4000 watts continuous wave laser.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161131A (en) * | 2011-01-18 | 2011-08-24 | 施政辉 | Laser surface processing device and method |
| WO2022210995A1 (en) * | 2021-03-30 | 2022-10-06 | 日本製鉄株式会社 | Laser scanning device, laser scanning method, laser processing device, and electrical steel plate manufacturing method |
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Application publication date: 20100818 |