CN218362721U - Dynamic focusing laser marking machine capable of monitoring in real time - Google Patents
Dynamic focusing laser marking machine capable of monitoring in real time Download PDFInfo
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- CN218362721U CN218362721U CN202222255263.XU CN202222255263U CN218362721U CN 218362721 U CN218362721 U CN 218362721U CN 202222255263 U CN202222255263 U CN 202222255263U CN 218362721 U CN218362721 U CN 218362721U
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Abstract
The utility model discloses a real-time supervision's dynamic focus laser marking machine, include: a frame having a processing zone; the laser device comprises a rack, wherein a laser main body is arranged on the rack and comprises a shell, and a laser generator, a light path adjusting mechanism and a reflector mechanism are sequentially connected in the shell along the length direction of the laser main body; the outer surface of the shell is provided with a distance measuring mechanism, and the distance measuring mechanism is positioned above the processing area; the distance measuring mechanism comprises a protective shell, a laser sensor and a filter plate for preventing the first laser beam from being reflected to the laser sensor. The laser sensor is used for dynamically monitoring the workpiece in the machining area in real time, the distance between the workpiece and the laser main body is grasped in time, the controller feeds back information through the laser sensor, and the light path adjusting mechanism is controlled to move and adjust in real time, so that the production efficiency and the machining precision are greatly improved; through the setting of filter, make first laser beam unable see through the filter to improve laser sensor's life.
Description
Technical Field
The utility model belongs to the technical field of the laser marking machine technique and specifically relates to indicate a real-time supervision's dynamic focus laser marking machine.
Background
The laser marking machine is an optical, electromechanical integrated equipment integrating laser technology and computer technology. The application of laser marking technology in industry at home and abroad is gradually emphasized by people, various novel marking devices are developed, the unique advantages of the laser marking device replace the traditional marking method, and the laser marking device can print marks on the surfaces of various objects such as mechanical parts, electronic components, integrated circuit modules, instruments, meters and the like.
The working principle is that the laser generates laser, the laser irradiates the surface of a marking object after being focused by the focusing lens, and the marking object has a relatively ideal marking effect only when being located at a focal position. In the prior art, the marking machine is manually adjusted and focused, the working efficiency of the marking machine is reduced by manual adjustment, the adjustment error is large, and the marking precision and speed are reduced.
The laser marking machine capable of automatically adjusting the focal length in the market can damage a laser sensor on the marking machine due to the fact that the energy of a first laser beam during marking is very high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a dynamic focusing laser marking machine for real-time monitoring, which solves the above mentioned problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a real-time monitored dynamic focus laser marking machine comprising: a frame having a processing zone; a laser main body is arranged on the rack and comprises a shell, and a laser generator, a light path adjusting mechanism and a reflector mechanism are sequentially connected inside the shell along the length direction of the laser main body; the laser generator emits a first laser beam, the optical path adjusting mechanism adjusts the focal length of the first laser beam, and the adjusted first laser beam is reflected to the processing area through the reflector mechanism;
the outer surface of the shell is provided with a distance measuring mechanism, and the distance measuring mechanism is positioned above the processing area; the distance measuring mechanism comprises a protective shell, a laser sensor and a filter plate for preventing the first laser beam from being reflected to the laser sensor; the lower end of the protective shell is provided with an opening, the filter plate covers the opening, and the laser sensor is located in the protective shell; the laser sensor emits a second laser beam to the processing area and receives the second laser beam fed back, and the controller controls the light path adjusting mechanism to adjust in real time according to the second laser beam fed back.
In one embodiment, the optical path adjusting mechanism comprises a bracket, a head swinging motor, a cam, a connecting belt and a lens mounting frame provided with a lens; the bracket is arranged in the shell; the head swinging motor is arranged on the bracket; the cam is arranged on an output shaft of the head swinging motor, and the head swinging motor drives the cam to rotate; the lens mounting rack is arranged on the support in a sliding manner, and a concave lens and a convex lens are arranged on the lens mounting rack; the connecting band is connected the cam with the lens mounting bracket, the cam drives the connecting band removes, the lens mounting bracket follows the connecting band in reciprocating sliding on the support to adjust the focus distance.
In one embodiment, the connecting band is an elastic connecting band.
In one embodiment, the reflector mechanism includes a first reflector and a second reflector sequentially mounted, the first reflector is mounted on a rotation output shaft of the first motor, the second reflector is mounted on a rotation output shaft of the second motor, a rotation axis direction of the first motor is perpendicular to a rotation axis direction of the second motor in a different plane, and the first laser beam is emitted to the processing area after being sequentially reflected by the first reflector and the second reflector.
In one embodiment, the distance measuring mechanism is located on a side of the housing adjacent to the laser generator.
In one embodiment, a driving mechanism is arranged on the frame, and an output end of the driving mechanism is connected with the laser main body and drives the laser main body to move up and down on the frame.
In one embodiment, a collimating mirror is further disposed in the housing, and the collimating mirror is located between the laser generator and the light path adjusting mechanism.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the laser sensor is used for dynamically monitoring the workpiece in the machining area in real time, the distance between the workpiece and the laser main body is grasped in time, the controller controls the light path adjusting mechanism to move and adjust in real time through information fed back by the laser sensor, and compared with the traditional manual adjustment, the production efficiency and the machining precision are greatly improved;
through the second laser beam that is equipped with at laser sensor's light-emitting end and selected filter, first laser beam can't see through the filter to effectively avoid high-energy first laser beam to produce the harm to laser sensor, thereby improve laser sensor's life and the precision of range finding.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a perspective view of a laser marking machine according to a first embodiment of the present invention;
fig. 2 is an exploded view of a laser marking machine according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a laser marking machine according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of an optical path adjusting mechanism according to a second embodiment of the present invention.
Reference numerals:
10. frame 101, processing area
20. Laser body 21 and housing
22. Laser generator 23 and light path adjusting mechanism
231. Swinging motor 232 and cam
233. Connecting band 234, lens mounting bracket
24. Mirror mechanism 241 and first mirror
242. First motor 243 and second reflector
244. Second motor 30, laser sensor
31. Protective housing 32 and laser sensor
43. Filter 40 and drive mechanism
50. A collimating mirror.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the present application provides a real-time monitoring dynamic focusing laser marking machine, which includes: the frame 10 is provided with a processing area 101, and a workpiece to be marked by laser is placed in the processing area 101. Be equipped with laser main part 20 on the frame 10, laser main part 20 includes casing 21, casing 21 is inside to be followed laser main part's length direction has connected gradually laser generator 22, light path adjustment mechanism 23 and speculum mechanism 24, and laser generator 22 is connected with the laser instrument. The laser generator 22 emits a first laser beam 1, the optical path adjusting mechanism 23 adjusts a focal length of the first laser beam 1, and the adjusted first laser beam 1 is reflected to the processing area 101 by the reflecting mirror mechanism 24.
The reflector mechanism 24 is located above the processing area 101, and when the manipulator grabs the workpiece and puts the workpiece in the processing area for processing, the manipulator turns the workpiece in real time according to a set program, and the like. The mirror mechanism 24 reflects the first laser beam 1 toward the processing region 101 and acts on the workpiece, thereby performing laser marking on the workpiece. A distance measuring mechanism 30 is arranged on the outer surface of the shell 21, and the distance measuring mechanism 30 is positioned above the processing area 101; the distance measuring mechanism 30 includes a protective case 31, a laser sensor 32, and a filter 33 that prevents the first laser beam from being reflected to the laser sensor; the lower end of the protective shell 31 is provided with an opening, the filter plate 33 covers the opening, and the laser sensor 32 is positioned in the protective shell 31; the laser sensor 32 emits a second laser beam 2 to the processing area, the second laser beam 2 irradiates the workpiece in the processing area 101, the second laser beam 2 reflected by the workpiece in a diffused mode is fed back to the laser sensor 32, so that the distance measurement of the workpiece is completed, the controller controls the light path adjusting mechanism 23 to adjust according to the real-time distance of the workpiece, and therefore real-time dynamic monitoring and adjusting processing are completed.
The filter 33 is selected according to the second laser beam 2, for example, the wavelength of the second laser beam 2 is 650nm, i.e. the filter 33 can only transmit 650 nm; like the wavelength of the first laser beam 1 is 1064nm, the first laser beam 1 cannot penetrate through the filter 33, so that the working environment of the laser sensor 32 is ensured, the damage of the high-energy first laser beam 1 to the laser sensor 32 is effectively avoided, and the service life of the laser sensor 32 is prolonged and the accuracy of distance measurement is improved.
Optionally, the distance measuring mechanism 30 is located on the side of the housing 21 close to the laser generator 22, which is better able to receive feedback laser light.
Optionally, the protective shell 31 is made of a heat insulating material, which effectively ensures the working environment of the laser sensor 32.
The optical path adjusting mechanism 23 includes a bracket (not shown), a head swing motor 231, a cam 232, a connecting band 233, and a lens mounting bracket 234 on which a lens is mounted, wherein the lens mounting bracket 234 includes at least 1 fixed convex lens (not shown) and at least 1 movable concave lens (not shown). The bracket is arranged in the shell 21; the head swinging motor 231 is mounted on the bracket; the cam 232 is disposed on an output shaft of the swing motor 231, and the swing motor 231 drives the cam 232 to rotate. The lens mounting bracket 234 slides and sets up in the support, the connecting band 233 is connected the cam 232 with the lens mounting bracket 234, the cam 232 drives the connecting band 233 removes, the lens mounting bracket 234 follows the connecting band 233 in reciprocating sliding on the support to adjust the focus distance. The lens mounting frame 234 can only slide linearly and reciprocally, and the cam 232 drives the lens mounting frame 234 through the connecting band 233, so that the formation of a hinge point is avoided, the transmission precision is higher, and the corresponding speed is higher.
Optionally, the connecting band 233 is an elastic connecting band, two ends of the connecting band 233 are fixed to the lens mounting bracket 234 in a crossed manner, and form a loop with a variable size, and the cam clamp is disposed on the loop.
The reflecting mirror mechanism 24 includes a first reflecting mirror 241 and a second reflecting mirror 243 which are sequentially installed, the first reflecting mirror 241 is installed on a rotation output shaft of the first motor 242, the second reflecting mirror 243 is installed on a rotation output shaft of the second motor 244, a rotation axis direction of the first motor 242 and a rotation axis direction of the second motor 244 are perpendicular to each other in a non-coplanar manner, and the first laser beam 1 is sequentially reflected by the first reflecting mirror 241 and the second reflecting mirror 243 and then emitted to the processing area 101.
The machine frame 10 is provided with a driving mechanism 40, and the output end of the driving mechanism 50 is connected with the laser main body 20 and drives the laser main body 20 to move up and down on the machine frame 10. Alternatively, the drive mechanism 40 may be a motor, a cylinder, or a crank.
A collimating lens 50 is further disposed in the housing 21, the collimating lens 50 is located between the laser generator 22 and the optical path adjusting mechanism 23, and the collimating lens 50 collimates the first laser beam 1.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a real-time supervision's dynamic focus laser marking machine which characterized in that includes: a frame having a processing zone; the laser device comprises a rack, wherein a laser main body is arranged on the rack and comprises a shell, and a laser generator, a light path adjusting mechanism and a reflector mechanism are sequentially connected in the shell along the length direction of the laser main body; the laser generator emits a first laser beam, the optical path adjusting mechanism adjusts the focal length of the first laser beam, and the adjusted first laser beam is reflected to the processing area through the reflector mechanism;
the outer surface of the shell is provided with a distance measuring mechanism, and the distance measuring mechanism is positioned above the processing area; the distance measuring mechanism comprises a protective shell, a laser sensor and a filter plate for preventing the first laser beam from being reflected to the laser sensor; an opening is formed in the lower end of the protective shell, the filter plate covers the opening, and the laser sensor is located in the protective shell; the laser sensor emits a second laser beam to the processing area and receives the fed back second laser beam, and the controller controls the light path adjusting mechanism to adjust in real time according to the fed back second laser beam.
2. The real-time monitoring dynamic focusing laser marking machine according to claim 1, characterized in that: the light path adjusting mechanism comprises a bracket, a head swinging motor, a cam, a connecting belt and a lens mounting rack provided with a lens; the bracket is arranged in the shell; the head swinging motor is arranged on the bracket; the cam is arranged on an output shaft of the head swinging motor, and the head swinging motor drives the cam to rotate; the lens mounting rack is arranged on the support in a sliding manner, and a concave lens and a convex lens are arranged on the lens mounting rack; the connecting band is connected the cam with the lens mounting bracket, the cam drives the connecting band removes, the lens mounting bracket follows the connecting band in reciprocating sliding on the support to adjust the focus distance.
3. The real-time monitoring dynamic focusing laser marking machine according to claim 2, characterized in that: the connecting band is an elastic connecting band.
4. The real-time monitoring dynamic focusing laser marking machine according to claim 1, characterized in that: the reflecting mirror mechanism comprises a first reflecting mirror and a second reflecting mirror which are sequentially installed, the first reflecting mirror is installed on a rotating output shaft of a first motor, the second reflecting mirror is installed on a rotating output shaft of a second motor, the rotating axis direction of the first motor is perpendicular to the rotating axis direction of the second motor in a different plane mode, and a first laser beam is sequentially reflected by the first reflecting mirror and the second reflecting mirror and then is emitted out from the processing area.
5. The real-time monitoring dynamic focusing laser marking machine according to claim 1, characterized in that: the distance measuring mechanism is positioned on one side of the shell, which is close to the laser generator.
6. The real-time monitoring dynamic focusing laser marking machine according to claim 1, characterized in that: and the rack is provided with a driving mechanism, and the output end of the driving mechanism is connected with the laser main body and drives the laser main body to move up and down on the rack.
7. The real-time monitoring dynamic focusing laser marking machine according to claim 1, characterized in that: still be equipped with the collimating mirror in the casing, the collimating mirror is located laser generator with between the light path adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222255263.XU CN218362721U (en) | 2022-08-26 | 2022-08-26 | Dynamic focusing laser marking machine capable of monitoring in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222255263.XU CN218362721U (en) | 2022-08-26 | 2022-08-26 | Dynamic focusing laser marking machine capable of monitoring in real time |
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| Publication Number | Publication Date |
|---|---|
| CN218362721U true CN218362721U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222255263.XU Active CN218362721U (en) | 2022-08-26 | 2022-08-26 | Dynamic focusing laser marking machine capable of monitoring in real time |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713590A (en) * | 2023-08-02 | 2023-09-08 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
| CN116819792A (en) * | 2023-08-29 | 2023-09-29 | 徐州马尔默激光技术有限公司 | Laser generator light path adjusting device and adjusting method |
-
2022
- 2022-08-26 CN CN202222255263.XU patent/CN218362721U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713590A (en) * | 2023-08-02 | 2023-09-08 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
| CN116713590B (en) * | 2023-08-02 | 2024-02-02 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
| CN116819792A (en) * | 2023-08-29 | 2023-09-29 | 徐州马尔默激光技术有限公司 | Laser generator light path adjusting device and adjusting method |
| CN116819792B (en) * | 2023-08-29 | 2023-11-03 | 徐州马尔默激光技术有限公司 | Laser generator light path adjusting device and adjusting method |
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