CN103212789A - Contact-type cutting head with stable focus position - Google Patents
Contact-type cutting head with stable focus position Download PDFInfo
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- CN103212789A CN103212789A CN2012100156788A CN201210015678A CN103212789A CN 103212789 A CN103212789 A CN 103212789A CN 2012100156788 A CN2012100156788 A CN 2012100156788A CN 201210015678 A CN201210015678 A CN 201210015678A CN 103212789 A CN103212789 A CN 103212789A
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- cutting head
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- cutting
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Abstract
The invention discloses a contact-type cutting head with a stable focus position. The cutting head comprises a focusing lens cone, a cutting head cover connected with the focusing lens cone, and a cutting nozzle arranged in the cutting head cover, wherein the cutting head cover is arranged under the focusing lens cone and a felt ring is arranged at the bottom of the cutting head cover. During the process of laser machining, the felt ring is abutted with the material to be machined. According to the contact-type cutting head with the stable focus position, a focusing lens is arranged in the focusing lens cone; a adjusting knob on the focusing lens cone is adjusted so as to adjust the vertical position of the focusing lens on the lens cone, so that the laser focus is located on the bottom flat surface of the felt ring; and therefore, during the cutting process, the focal point can be enabled to be on the surface of a steel plate to be machined by simply ensuring that the steel plate is abutted with the felt ring, and the focal point can be enabled to be always on the surface of the cut material in the machining process, so as to achieve uniform continuous high-quality cutting.
Description
Technical field
The invention belongs to technical field, relate in particular to the cutting head of a kind of contact stable focus position.
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Background technology
Laser cutting is as a kind of novel thermal cutting technology, and it is fast to have cutting speed, the production efficiency height, and the cutting surface quality is good, advantages such as the little and environmental protection in heat affected area, oneself obtains application more and more widely through becoming one of main sheet material processing mode.
The principle of laser cutting is a control laser emitting laser, laser beam is focused on be cut material surface, utilize the high energy density in focus place to make material fusing or vaporization then, assist cutting by the high-speed gas of cutting head ejection simultaneously, thereby realize cutting material.
Laser cutting will realize good continuous cutting, and the focus of the laser beam that must be is positioned at the surface that is cut material all the time, makes laser beam focus on to be cut material surface, otherwise, have do not cut through, bad phenomenon such as dross.In the present laser cutting parameter, the size of laser cutting thin plate is all very big, generally all greater than 1m*1m, when the area of cutting material is big, because the irregularity degree of material itself or the irregularity degree of clamping tool, make to guarantee that focus is positioned at the surface that is cut material all the time and just becomes very difficult, thereby influence the effect of laser cutting, be difficult to realize evenly high-quality cutting continuously.
Therefore, industry is badly in need of exploring a kind of scheme, solving the defective that exists in the above-mentioned prior art, can stabilized lasers adds the position of focus in man-hour, guaranteed that focus is in the surface that is cut material all the time in the process, realized evenly high-quality cutting continuously.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide the cutting head of a kind of contact stable focus position, it can stabilized lasers adds the position of focus in man-hour, guarantees that focus is in the surface that is cut material all the time in the process, has realized evenly high-quality cutting continuously.
For achieving the above object, technical scheme of the present invention is:
The cutting head of a kind of contact stable focus position includes focusing barrel, connects the cutting head outer cover of focusing barrel and is arranged at the interior cutting head of cutting head outer cover; Wherein, the cutting head outer cover is installed in the focusing barrel below, and cutting head outer cover bottom is equipped with felt ring, and in the laser processing procedure, felt ring compresses mutually with machined material.
Further, described focusing barrel is used for the installation of focus lamp, and focus lamp is installed in the focusing barrel.
Further, described focusing barrel inwall is provided with screw thread, can regulate the relative lens barrel upper-lower position of focus lamp by this screw thread.
Further, also be provided with lock screw on the barrel of described focusing barrel, regulate the relative lens barrel upper-lower position of focus lamp after, can be by the lock screw fixed-focus mirror on the barrel.
Further, described focusing barrel is provided with adjusting knob, by regulating this adjusting knob, and can the position of up-down adjustment focus lamp in focusing barrel.
Further, described cutting head is arranged at cutting head outer cover inside, by cutting head outer cover institute shade.
The cutting head of contact stable focus of the present invention position is installed in focus lamp in the focusing barrel, regulate the adjusting knob on the focusing barrel, to regulate the upper-lower position of focus lamp at lens barrel, make laser focus on the felt ring base plane, like this when cutting if guarantee steel plate to be cut and felt ring inconsistent, can guarantee that focus is positioned at the surface of steel plate to be processed, guarantee that focus is in the surface that is cut material all the time in the process, realize evenly high-quality cutting continuously.
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Description of drawings
Fig. 1 is an instance graph of the present invention.
Fig. 2 is a profile of the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In description of the invention, it will be appreciated that, term " on ", close the orientation of indications such as D score, " preceding ", " back ", " interior ", " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, connect integratedly, also can be to removably connect; It can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention by intermediary.
See also Fig. 1-shown in Figure 2, the cutting head of contact stable focus of the present invention position includes focusing barrel 1, connect the cutting head outer cover 2 of focusing barrel 1 and be arranged at cutting head 3 in the cutting head outer cover 2.Wherein, focusing barrel 1 is used for the installation of focus lamp 4, and focus lamp 4 is installed in the focusing barrel 1, and the screw thread that is provided with on focusing barrel 1 inwall can be regulated focus lamp 4 relative lens barrel 1 upper-lower positions, after adjusting finishes, and can be by the lock screw fixed-focus mirror on the barrel.
Cutting head outer cover 2 is installed in focusing barrel 1 below, and cutting head outer cover 2 bottoms are equipped with felt ring 5, and in the laser processing procedure, felt ring 5 compresses mutually with machined material.Cutting head 3 is arranged at cutting head outer cover 2 inside, by 2 shades of cutting head outer cover.When cutting head 3 was used to guarantee Laser Processing, shoot laser also was accompanied by the injection of high-speed gas, the auxiliary laser cutting.
During installation, focus lamp is installed in the focusing barrel, regulate the adjusting knob on the focusing barrel, to regulate the upper-lower position of focus lamp at lens barrel, make laser focus on the felt ring base plane, as long as assurance steel plate to be cut and felt ring are inconsistent, can guarantee that focus is positioned at the surface of steel plate to be processed when cutting like this.And cutting head is regulated (too closely splash and stop up cutting head easily, too far auxiliary air blowing DeGrain) to the distance of steel disc according to actual cutting effect, is set to 160 μ m in the embodiment of the invention.
During application, as shown in Figure 2, steel plate to be cut is positioned on the machine table, and felt ring contacts steel plate to be cut.Regulate the upper-lower position of focus lamp at lens barrel, make focal position of laser and felt ring in one plane, machined material in one plane contacts with felt ring as long as assurance adds man-hour like this, just can guarantee that in the process, laser spot is positioned at the surface that is cut material all the time.For example, at air supporting SMT, adopt the dust suction bar up to prop up machined material, make to add man-hour, cutting head felt ring and machined material offset and guarantee the stable of focal position; And at high speed SMT, can be on felt ring the setting pressure sensor, the variation of detected pressures at any time and with the position of this signal feedback compensation Z axle, thus to reach the purpose of accurate processing.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the cutting head of a contact stable focus position is characterized in that, includes: focusing barrel, connect the cutting head outer cover of focusing barrel and be arranged at cutting head in the cutting head outer cover; Wherein, the cutting head outer cover is installed in the focusing barrel below, and cutting head outer cover bottom is equipped with felt ring, and in the laser processing procedure, felt ring compresses mutually with machined material.
2. the cutting head of contact stable focus as claimed in claim 1 position, it is characterized in that: described focusing barrel is used for the installation of focus lamp, and focus lamp is installed in the focusing barrel.
3. the cutting head of contact stable focus as claimed in claim 1 position is characterized in that: described focusing barrel inwall is provided with screw thread, can regulate the relative lens barrel upper-lower position of focus lamp by this screw thread.
4. as the cutting head of claim 2 or 3 described contact stable focus positions, it is characterized in that: also be provided with lock screw on the barrel of described focusing barrel, after regulating the relative lens barrel upper-lower position of focus lamp, can be by the lock screw fixed-focus mirror on the barrel.
5. the cutting head of contact stable focus as claimed in claim 4 position, it is characterized in that: described focusing barrel is provided with adjusting knob, by regulating this adjusting knob, can the position of up-down adjustment focus lamp in focusing barrel.
6. the cutting head of contact stable focus as claimed in claim 5 position is characterized in that: described cutting head is arranged at cutting head outer cover inside, by cutting head outer cover institute shade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100156788A CN103212789A (en) | 2012-01-19 | 2012-01-19 | Contact-type cutting head with stable focus position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100156788A CN103212789A (en) | 2012-01-19 | 2012-01-19 | Contact-type cutting head with stable focus position |
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| CN103212789A true CN103212789A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100156788A Pending CN103212789A (en) | 2012-01-19 | 2012-01-19 | Contact-type cutting head with stable focus position |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588885A (en) * | 2015-01-22 | 2015-05-06 | 天津市激光技术研究所 | Self-gravity focusing tracking device for laser engraving of shaped curve surface |
| CN108161223A (en) * | 2018-03-02 | 2018-06-15 | 沈阳飞机工业（集团）有限公司 | A kind of laser marking machine protects focusing mechanism |
| CN109014567A (en) * | 2018-08-09 | 2018-12-18 | 厦门盈趣科技股份有限公司 | A kind of cost laser optimal process height adjuster and method |
| CN113369704A (en) * | 2021-05-12 | 2021-09-10 | 方志 | Fluid adsorption type laser cutting head |
Citations (7)
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| JPH01104490A (en) * | 1987-10-14 | 1989-04-21 | Mitsubishi Electric Corp | Method for cutting damping steel plate by laser processing machine |
| US5948292A (en) * | 1997-06-05 | 1999-09-07 | Mitsubishi Denki Kabushiki Kaisha | Laser beam machining apparatus, focus positioning device for laser beam machining apparatus, and converged laser beam diameter measuring device |
| JP2000084689A (en) * | 1998-07-16 | 2000-03-28 | Amada Eng Center Co Ltd | Laser beam machining device |
| CN1333103A (en) * | 2000-07-07 | 2002-01-30 | 日本车辆制造株式会社 | Laser cutting device for ultrathin metal sheet |
| CN101176947A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Laser cutting machine tool and cutting head for laser cutting machine tool |
| CN201425656Y (en) * | 2009-05-22 | 2010-03-17 | 深圳市大族激光科技股份有限公司 | Collimation head device |
| CN202506954U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Contact-type cutting head with stable focus position |
-
2012
- 2012-01-19 CN CN2012100156788A patent/CN103212789A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104490A (en) * | 1987-10-14 | 1989-04-21 | Mitsubishi Electric Corp | Method for cutting damping steel plate by laser processing machine |
| US5948292A (en) * | 1997-06-05 | 1999-09-07 | Mitsubishi Denki Kabushiki Kaisha | Laser beam machining apparatus, focus positioning device for laser beam machining apparatus, and converged laser beam diameter measuring device |
| JP2000084689A (en) * | 1998-07-16 | 2000-03-28 | Amada Eng Center Co Ltd | Laser beam machining device |
| CN1333103A (en) * | 2000-07-07 | 2002-01-30 | 日本车辆制造株式会社 | Laser cutting device for ultrathin metal sheet |
| CN101176947A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Laser cutting machine tool and cutting head for laser cutting machine tool |
| CN201425656Y (en) * | 2009-05-22 | 2010-03-17 | 深圳市大族激光科技股份有限公司 | Collimation head device |
| CN202506954U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Contact-type cutting head with stable focus position |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588885A (en) * | 2015-01-22 | 2015-05-06 | 天津市激光技术研究所 | Self-gravity focusing tracking device for laser engraving of shaped curve surface |
| CN108161223A (en) * | 2018-03-02 | 2018-06-15 | 沈阳飞机工业（集团）有限公司 | A kind of laser marking machine protects focusing mechanism |
| CN109014567A (en) * | 2018-08-09 | 2018-12-18 | 厦门盈趣科技股份有限公司 | A kind of cost laser optimal process height adjuster and method |
| CN109014567B (en) * | 2018-08-09 | 2023-09-12 | 厦门盈趣科技股份有限公司 | Low-cost laser optimal machining height adjusting device and method |
| CN113369704A (en) * | 2021-05-12 | 2021-09-10 | 方志 | Fluid adsorption type laser cutting head |
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Application publication date: 20130724 |