CN212350805U - Laser device with prismoid-shaped rotating mirror - Google Patents
Laser device with prismoid-shaped rotating mirror Download PDFInfo
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- CN212350805U CN212350805U CN202020782213.5U CN202020782213U CN212350805U CN 212350805 U CN212350805 U CN 212350805U CN 202020782213 U CN202020782213 U CN 202020782213U CN 212350805 U CN212350805 U CN 212350805U
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Abstract
The utility model relates to a laser cutting equipment field has solved the problem of how to improve laser cutting efficiency among the prior art. The following technical scheme is adopted: the utility model provides a laser device with prism platform form changes mirror, including supporting drive arrangement, it keeps apart the generator to be equipped with laser along laser propagation direction in proper order on the drive arrangement to support, ruddiness beam combiner, the beam expander, the speculum group, change the mirror, shake mirror and field lens, it includes prism portion and lower prism portion to change the mirror, it is the same prism platform form of shape with lower prism portion to go up prism portion, go up the coaxial fixed connection of prism portion and lower prism portion, go up the less bottom surface of prism portion and coincide completely with the less bottom surface of lower prism portion, change the mirror and shake the mirror and rotate with supporting drive arrangement respectively and be connected. Because the laser is reflected twice on the rotating mirror, the efficiency of the rotating mirror formed by two prismatic platforms for deflecting the laser is twice that of the prismatic rotating mirror. Under the condition that the rotating speed of the rotating mirror is not changed, the efficiency of laser cutting is improved.
Description
Technical Field
The utility model relates to a laser cutting equipment field especially relates to a laser device with prism table form changes mirror.
Background
Laser light emitted from the laser is focused into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. And finally, the material is cut along with the movement of the relative position of the light beam and the workpiece, so that the cutting purpose is achieved. The patent with application number 2019183636.8 discloses a laser cutting device, wherein the rotating speed of a multi-surface rotating mirror reaches 25 m/s-100 m/s, which is far greater than the swinging speed of a vibrating mirror, so that the efficiency of laser cutting is improved, but the cutting efficiency can not meet the requirement.
Disclosure of Invention
The utility model provides a laser device with prism table form changes mirror has solved the problem of how to improve laser cutting efficiency among the prior art.
The utility model provides a laser device with prism table form changes mirror, including supporting drive arrangement, it keeps apart the generator to be equipped with laser along laser propagation direction in proper order on the support drive arrangement, ruddiness beam combiner, the beam expander, the speculum group, change the mirror, mirror and field lens shake, it includes prism portion and lower prism portion to change the mirror, it is the same prism table form of shape with lower prism portion to go up prism portion, go up the coaxial fixed connection of prism portion and lower prism portion, the less bottom surface of going up prism portion coincides completely with the less bottom surface of lower prism portion, it rotates with supporting drive arrangement respectively with the mirror that shakes to change the mirror and shake the mirror and be connected, still be equipped with the drive arrangement who is used for driving the commentaries on classics mirror and be used for driving the drive that shakes the mirror on the supporting drive arrangement. Laser emitted by the laser isolation generator is expanded under the action of the red light beam combining mirror and the beam expanding mirror, then reaches the rotating mirror through reflection of the reflector group, is reflected to the vibrating mirror through reflection of the upper prism part and reflection of the lower prism part, and then is focused by the field lens and then is output to act on a processing object. The rotation of the rotating mirror and the vibrating mirror enables the laser action point on the working plane to move in two mutually perpendicular horizontal directions respectively, and the two mirror surfaces cooperatively act to enable the laser to complete the movement of straight lines and various curves on the working plane. In one reflection, the rotating angle alpha of the reflecting mirror surface is 2 alpha, the rotating angle of the emergent light is 2 alpha, and the efficiency of the rotating mirror formed by two prismatic stages for deflecting the laser is higher than that of a prismatic rotating mirror due to the fact that the laser is reflected twice on the rotating mirror. Under the condition that the rotating speed of the rotating mirror is not changed, the efficiency of laser cutting is improved.
Further, the upper prism part and the lower prism part are all octagonal tables, and gold-plated layers are arranged on the side faces of the upper prism part and the lower prism part. The reflecting surface of the rotating mirror is plated with gold, so that the reflectivity can be improved.
Furthermore, the rotating mirror is rotatably connected with the supporting driving device through a rotating shaft, the rotating shaft is coaxially arranged with the upper prism part and the lower prism part, and the axis of the rotating shaft of the rotating mirror is perpendicular to the axis of the rotating shaft of the vibrating mirror. The axis of the rotating shaft of the rotating mirror is vertical to the axis of the rotating shaft of the vibrating mirror, so that the laser action points on the working plane can move in two mutually vertical horizontal directions respectively, and the two mirror surfaces cooperatively act to enable the laser to finish the movement of straight lines and various curves on the working plane.
Furthermore, the rotating shaft of the rotating mirror is vertical, and the rotating shaft of the vibrating mirror is horizontal. The rotating speed and the rotating angle of the rotating mirror and the vibrating mirror can be calculated conveniently.
Furthermore, the reflector group comprises a first plane reflector and a second plane reflector, an included angle between the first plane reflector and the horizontal plane is 45 degrees, the second plane reflector is parallel to the first plane reflector, the first plane reflector is positioned right above the second plane reflector, and the first plane reflector and the second plane reflector are both arranged on the supporting and driving device. The laser mirror of horizontal incidence is reflected by the first plane mirror and then vertically reaches the second plane mirror, and the laser is changed into horizontal after being reflected by the second plane mirror and then enters the rotating mirror.
Furthermore, the supporting driving device comprises a supporting transverse plate and a supporting vertical plate, and the supporting transverse plate is fixedly connected with the supporting vertical plate.
Further, generator fixed connection is kept apart to laser on supporting the diaphragm, fixedly connected with mount pad on the support diaphragm, and ruddiness beam combiner sets up on the mount pad, is equipped with the beam expanding adjustment frame on the mount pad, and the beam expanding lens setting is on the beam expanding adjustment frame.
Further, support the first reflector bracket of fixedly connected with on the riser, first plane speculum setting is equipped with vertical ball on the support riser on the first reflector bracket, is equipped with on ball's the nut and removes the seat, removes and is connected with the second reflector bracket on the seat, the setting of second plane speculum is on the second reflector bracket, the commentaries on classics mirror is connected with the removal seat rotation through the connecting piece respectively with shaking the mirror, the scene passes through the connecting piece and removes seat fixed connection. The ball screw is used for driving the movable base to move up and down, and further drives the second plane reflector, the rotating mirror, the vibrating mirror and the field lens to move up and down.
Further, the field lens is an F-theta field lens. An F-theta field lens is used to focus the laser.
Furthermore, a servo motor for driving the ball screw is arranged on the supporting vertical plate.
According to the technical scheme, the utility model has the advantages of it is following:
because the laser is reflected twice on the rotating mirror, the efficiency of the rotating mirror formed by two prismatic tables for deflecting the laser is higher than that of a prismatic rotating mirror. Under the condition that the rotating speed of the rotating mirror is not changed, the efficiency of laser cutting is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the rotating mirror of the present invention.
Fig. 2 is a sectional view of the present invention.
Fig. 3 is a perspective view of the present invention.
Fig. 4 is a perspective view of the present invention.
1. The laser isolation generator comprises a laser isolation generator, 2, a vibrating mirror, 3, a field lens, 4, an upper prism part, 5, a lower prism part, 6, a first plane reflector, 7, a second plane reflector, 8, a supporting transverse plate, 9, a supporting vertical plate, 10, a ball screw, 11 and a servo motor.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Example 1
As shown in fig. 1-4, a laser device with a prism-frustum-shaped rotating mirror comprises a supporting driving device, wherein a laser isolation generator 1, a red light beam combiner, a beam expander, a reflector group, a rotating mirror, a vibrating mirror 2 and an F-theta field lens are sequentially arranged on the supporting driving device along the laser propagation direction, and the F-theta field lens is used for focusing laser. The rotating mirror comprises an upper prism part 4 and a lower prism part 5, the upper prism part 4 and the lower prism part 5 are in the shape of a prismoid with the same shape, the upper prism part 4 and the lower prism part 5 are fixedly connected in a coaxial mode, the bottom surface of the upper prism part 4, which is smaller, is completely coincided with the bottom surface of the lower prism part 5, the rotating mirror and the vibrating mirror 2 are respectively connected with a supporting driving device in a rotating mode, and the supporting driving device is further provided with a driving device used for driving the rotating mirror and a driving device used for driving the vibrating mirror 2. Laser generated by the laser isolation generator 1 is expanded under the action of the red light beam combining lens and the beam expanding lens, then is reflected by the reflector group to reach the rotating lens, the rotating lens reflects the laser to the vibrating lens 2 under the action of rapid rotation, and then is focused by the F-theta field lens and then is output to act on a processing object. The rotation of the rotating mirror and the vibrating mirror 2 enables the laser action point on the working plane to move in two mutually vertical horizontal directions respectively, and the two mirror surfaces cooperatively act to enable the laser to complete the movement of straight lines and various curves on the working plane. In one reflection, the rotating angle of the reflecting mirror surface is alpha, the rotating angle of the emergent light is 2 alpha, and the efficiency of the rotating mirror formed by two prismatic stages for deflecting the laser is twice that of the prismatic rotating mirror due to the fact that the laser is reflected twice on the rotating mirror. Under the condition that the rotating speed of the rotating mirror is not changed, the efficiency of laser cutting is improved. The upper prism part 4 and the lower prism part 5 are all octagonal tables, and gold-plated layers are arranged on the side surfaces of the upper prism part 4 and the lower prism part 5. The reflecting surface of the rotating mirror is plated with gold, so that the reflectivity can be improved. The rotating mirror is rotatably connected with the supporting driving device through a rotating shaft, the rotating shaft is coaxially arranged with the upper prism part 4 and the lower prism part 5, the axis of the rotating shaft of the rotating mirror is perpendicular to the axis of the rotating shaft of the vibrating mirror 2, so that laser action points on a working plane can respectively move in two mutually perpendicular horizontal directions, and the two mirror surfaces cooperatively act to enable laser to complete the movement of straight lines and various curves on the working plane. The rotating shaft of the rotating mirror is vertical, and the rotating shaft of the vibrating mirror 2 is horizontal. The rotating speed and the angle of the rotating mirror and the vibrating mirror 2 can be calculated conveniently.
The reflector group comprises a first plane reflector 6 and a second plane reflector 7, an included angle between the first plane reflector 6 and the horizontal plane is 45 degrees, the second plane reflector 7 is parallel to the first plane reflector 6, and the first plane reflector 6 is positioned right above the second plane reflector 7. The laser mirror 6 which horizontally enters is reflected by the first plane reflector 6 and then vertically and downwards reaches the second plane reflector 7, and laser is reflected by the second plane reflector 7 and then becomes horizontal and enters the rotating mirror. The supporting driving device comprises a supporting transverse plate 8 and a supporting vertical plate 9, and the supporting transverse plate 8 is fixedly connected with the supporting vertical plate 9. The laser isolation generator 1 is fixedly connected to the supporting transverse plate 8, the mounting seat is fixedly connected to the supporting transverse plate 8, the red light beam combining lens is arranged on the mounting seat, the beam expanding adjusting frame is arranged on the mounting seat, and the beam expanding lens is arranged on the beam expanding adjusting frame. Support riser 9 and go up the first reflector bracket of fixedly connected with, first plane speculum 6 sets up on first reflector bracket, is equipped with vertical ball 10 on the support riser 9 and is used for driving ball 10's servo motor 11, is equipped with on ball 10's the nut and removes the seat, removes and is connected with the second reflector bracket on the seat, second plane speculum 7 sets up on the second reflector bracket, change the mirror and shake mirror 2 and rotate through the connecting piece with removing the seat respectively and be connected, F-theta scene passes through the connecting piece and removes seat fixed connection. The ball screw 10 is used for driving the moving seat to move up and down, and further driving the second plane mirror 7, the rotating mirror, the vibrating mirror 2 and the F-theta field lens to move up and down.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a laser device with prism form changes mirror, a serial communication port, including supporting drive arrangement, it keeps apart generator (1) to be equipped with laser along the laser propagation direction in proper order on the supporting drive arrangement, ruddiness beam combiner, the beam expander, the speculum group, change the mirror, shake mirror (2) and field lens (3), it includes prism portion (4) and lower prism portion (5) to change the mirror, it is the prism form that the shape is the same with lower prism portion (5) to go up prism portion (4), go up prism portion (4) and lower prism portion (5) coaxial fixed connection, the less bottom surface of going up prism portion (4) completely coincides with the less bottom surface of lower prism portion (5), it rotates with supporting drive arrangement respectively to change mirror and shake mirror (2) and be connected, still be equipped with the drive arrangement that is used for driving the commentaries on classics mirror and be used for driving the drive that shakes mirror (2) on the supporting drive arrangement.
2. The laser device with the prism-like turning mirror according to claim 1, wherein the upper prism part (4) and the lower prism part (5) are each an octagonal prism, and the side surfaces of the upper prism part (4) and the lower prism part (5) are each provided with a gold plating.
3. The laser device with the prism-frustum-shaped rotating mirror according to claim 1 or 2, wherein the rotating shaft of the rotating mirror is coaxially disposed with the upper prism portion (4) and the lower prism portion (5), and the rotating shaft axis of the rotating mirror is perpendicular to the rotating shaft axis of the galvanometer (2).
4. Laser device with prismoid turning mirror according to claim 3 characterized in that the turning mirror axis is vertical and the oscillating mirror (2) axis is horizontal.
5. Laser device with a prism-like turning mirror according to claim 1, characterized in that the mirror group comprises a first plane mirror (6) and a second plane mirror (7), the first plane mirror (6) has an angle of 45 ° with the horizontal plane, the second plane mirror (7) is parallel to the first plane mirror (6), the first plane mirror (6) is located directly above the second plane mirror (7), and the first plane mirror (6) and the second plane mirror (7) are both arranged on the supporting and driving device.
6. The laser device with the prism-shaped rotating mirror as claimed in claim 5, wherein the supporting driving device comprises a supporting transverse plate (8) and a supporting vertical plate (9), and the supporting transverse plate (8) is fixedly connected with the supporting vertical plate (9).
7. The laser device with the prismoid rotating mirror as claimed in claim 6, wherein the laser isolation generator (1) is fixedly connected to a supporting transverse plate (8), a mounting seat is fixedly connected to the supporting transverse plate (8), the red beam combining mirror is arranged on the mounting seat, a beam expanding adjusting frame is arranged on the mounting seat, and the beam expanding mirror is arranged on the beam expanding adjusting frame.
8. The laser device with the prismoid rotating mirror as claimed in claim 6, wherein the supporting riser (9) is fixedly connected with a first mirror holder, the first plane mirror (6) is arranged on the first mirror holder, the supporting riser (9) is provided with a vertical ball screw (10), a moving seat is arranged on a nut of the ball screw (10), the moving seat is connected with a second mirror holder, the second plane mirror (7) is arranged on the second mirror holder, the rotating mirror and the vibrating mirror (2) are respectively connected with the moving seat in a rotating way through connecting pieces, and the field mirror (3) is fixedly connected with the moving seat through connecting pieces.
9. Laser device with prismoid turning mirror according to claim 1 or 8 characterized in that the field lens (3) is an F-theta field lens.
10. The laser device with the prism-shaped rotating mirror according to claim 8, wherein the support riser (9) is provided with a servo motor (11) for driving a ball screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020782213.5U CN212350805U (en) | 2020-05-12 | 2020-05-12 | Laser device with prismoid-shaped rotating mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020782213.5U CN212350805U (en) | 2020-05-12 | 2020-05-12 | Laser device with prismoid-shaped rotating mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212350805U true CN212350805U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020782213.5U Active CN212350805U (en) | 2020-05-12 | 2020-05-12 | Laser device with prismoid-shaped rotating mirror |
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| Country | Link |
|---|---|
| CN (1) | CN212350805U (en) |
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2020
- 2020-05-12 CN CN202020782213.5U patent/CN212350805U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250100 innovation factory f4-6-601, No. 2016, Feiyue Avenue, high tech Zone, Jinan City, Shandong Province (business place):Yuanqiang Street (No. 6333, Lingang North Road) 250100 innovation factory f4-6-601, No. 2016, Feiyue Avenue, high tech Zone, Jinan City, Shandong Province (place of business: No. 6333, Lingang North Road, Yaoqiang Street) Patentee after: Jinan senfeng Laser Technology Co.,Ltd. Patentee after: SHANDONG LEIMING CNC LASER EQUIPMENT Co.,Ltd. Patentee after: Shandong senfeng laser equipment Co.,Ltd. Address before: No. 6333, Lingang North Road, Yaoqiang street, high tech Industrial Development Zone, Jinan, Shandong 250100 Patentee before: JINAN SENFENG TECHNOLOGY Co.,Ltd. Patentee before: SHANDONG LEIMING CNC LASER EQUIPMENT Co.,Ltd. Patentee before: Shandong senfeng laser equipment Co.,Ltd. |
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| CP03 | Change of name, title or address |