CN211539930U - Laser power detection module and mechanism for marking machine - Google Patents
Laser power detection module and mechanism for marking machine Download PDFInfo
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- CN211539930U CN211539930U CN201921406221.3U CN201921406221U CN211539930U CN 211539930 U CN211539930 U CN 211539930U CN 201921406221 U CN201921406221 U CN 201921406221U CN 211539930 U CN211539930 U CN 211539930U
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- 238000010330 laser marking Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
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Abstract
The utility model discloses a laser power detection module and mechanism for marking machine, a serial communication port, include: the laser power meter comprises a shell, a laser emitter and a power detection unit, wherein the laser emitter and the power detection unit are arranged inside the shell, and the power detection unit comprises a laser power meter, a reflector and a driving module; the driving module is connected with one end of the reflector; the driving module is used for driving the reflector to deflect, light rays emitted by the laser emitter are reflected on the reflector, and reflected light of the reflector enters the laser power meter. The utility model discloses simple structure realizes the detection of laser light-emitting power through speculum or spectroscope and laser power meter, effectively ensures the quality of laser marking.
Description
Technical Field
The utility model discloses laser marking technical field more relates to a laser power detection module and mechanism for marking machine.
Background
Laser marking machines typically set the power of the laser during printing by setting a percentage of the laser power. For example, using a 20W laser, 10% of the output power is used, which is now 2W. In practice, however, the laser experiences degradation over time, i.e., the theoretical optical power is not the actual optical power. A laser power detection device is not arranged in a laser marking machine in the prior art, in the actual production process, the actual light-emitting power is one of important parameters influencing the printing effect, and the effect of the laser marking machine is influenced by overhigh or overlow actual light-emitting power.
SUMMERY OF THE UTILITY MODEL
The utility model provides a laser power detection module and mechanism for marking machine detects the light-emitting efficiency of laser instrument.
The utility model provides a solution of its technical problem is:
a laser power detection module for a marking machine, comprising: the laser power meter comprises a shell, a laser emitter and a power detection unit, wherein the laser emitter and the power detection unit are arranged inside the shell, and the power detection unit comprises a laser power meter, a reflector and a driving module; the driving module is connected with one end of the reflector;
the driving module is used for driving the reflector to deflect, light rays emitted by the laser emitter are reflected on the reflector, and reflected light of the reflector enters the laser power meter.
As a further improvement of the technical scheme, the novel LED lamp further comprises a reflector mounting seat, wherein the reflector is arranged on the reflector mounting seat, and a rotating shaft of the driving module is fixedly connected with one end of the reflector mounting seat.
As a further improvement of the above technical solution, a photoelectric switch is arranged at the rear of the reflector mounting base, the photoelectric switch is electrically connected with the driving module, a sensing block is further arranged on a rotating shaft of the driving module, the sensing block is arranged below the reflector mounting base, the rotating shaft of the driving module rotates to drive the reflector and the sensing block to deflect, the sensing block contacts the photoelectric switch in the deflection process, the photoelectric switch is triggered, and the rotating shaft of the driving module stops rotating.
As a further improvement of the technical scheme, the laser power meter further comprises a travel switch and an industrial personal computer, wherein the reflector is connected with the travel switch when not deflecting, and the industrial personal computer is respectively and electrically connected with the travel switch, the driving module, the photoelectric switch, the laser transmitter and the laser power meter.
As a further improvement of the above technical solution, a side plate is disposed between the reflector and the driving module, a through hole is disposed on the side plate, a rotating shaft of the driving module passes through the through hole and is fixedly connected with the reflector mounting seat and the induction block, the driving module is fixedly connected with the side plate, and the side plate is fixedly connected with the housing.
As a further improvement of the above technical solution, the driving module is a stepping motor.
A laser power detection module for a marking machine, comprising: the laser power meter comprises a shell, a laser emitter and a power detection unit, wherein the laser emitter and the power detection unit are arranged inside the shell, and the power detection unit comprises a laser power meter and a spectroscope;
and a part of light emitted by the laser emitter is reflected on the spectroscope, the reflected light enters the laser power meter, and the other part of light passes through the spectroscope.
As a further improvement of the above technical solution, the optical fiber connector further comprises a spectroscope mounting base, wherein the spectroscope is arranged in the spectroscope mounting base, and the spectroscope mounting base is fixedly connected with the housing.
As a further improvement of the above technical solution, the light incident surface of the beam splitter forms an angle of 45 ° with the horizontal direction, and the laser power meter is located above the beam splitter.
The utility model provides a laser power detection mechanism for marking machine, includes the aforesaid a laser power detection module for marking machine still includes marking head and camera lens.
The utility model has the advantages that: the utility model discloses simple structure realizes the detection of laser light-emitting power through speculum or spectroscope and laser power meter, effectively ensures the quality of laser marking.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a schematic structural diagram of a laser power detection module for a marking machine;
FIG. 2 is a schematic diagram showing the structure of a power detection unit in embodiment 1;
FIG. 3 is a laser light path diagram in the case of detecting laser power in example 1;
FIG. 4 is a laser light path diagram when the detection of the laser power is not required in embodiment 1;
FIG. 5 is a schematic diagram showing the structure of a power detection unit in embodiment 2;
FIG. 6 is a laser light path diagram in the case of detecting laser power in example 2;
fig. 7 is a schematic structural diagram of a laser power detection mechanism for a marking machine.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Embodiment 1, referring to fig. 1 to 4, a laser power detection module for a marking machine includes: the laser power detection device comprises a shell 100, a laser transmitter 200 and a power detection unit 300, wherein the laser transmitter 200 and the power detection unit 300 are arranged inside the shell 100, and the power detection unit 300 comprises a laser power meter 301, a reflecting mirror 302 and a driving module 303; the driving module 303 is connected with one end of the reflector 302;
the driving module 303 is configured to drive the reflecting mirror 302 to deflect, light emitted by the laser emitter 200 is reflected on the reflecting mirror 302, and reflected light of the reflecting mirror 302 enters the laser power meter 301.
The working principle of the embodiment is as follows:
when the laser power does not need to be detected, the reflector 302 is placed along the horizontal direction, and the normal marking of the laser emitted by the laser generator is not influenced.
When detecting the laser power, the driving module 303 drives the reflecting mirror 302 to deflect, so that the reflecting surface of the reflecting mirror 302 passes through the optical path of the laser emitted by the laser emitter 200. The laser emitted by the laser emitter 200 is reflected on the reflecting mirror 302, the reflected light is emitted into the laser power meter 301, and the laser power meter 301 performs power detection on the incident laser.
The utility model discloses simple structure when needs detect laser power, adjusts the deflection angle of speculum 302 for laser beam incident laser power meter 301 realizes the light-emitting power and detects, and is easy and simple to handle, effectively ensures the laser marking's quality.
Further as a preferred embodiment, the driving module further includes a reflector mounting base 304, the reflector 302 is disposed on the reflector mounting base 304, and a rotating shaft 308 of the driving module 303 is fixedly connected to one end of the reflector mounting base 304.
The driving module 303 is provided with a rotating shaft 308, the reflector 302 is arranged on the reflector mounting base 304 in a bonding mode, and the rotating shaft 308 of the driving module 303 rotates to drive the reflector mounting base 304 to synchronously deflect so as to adjust the deflection angle of the reflector 302.
Further as a preferred embodiment, a photoelectric switch 305 is disposed behind the reflector mounting base 304, the photoelectric switch 305 is electrically connected to the driving module 303, a sensing block 306 is further disposed on a rotating shaft 308 of the driving module 303, the sensing block 306 is disposed below the reflector mounting base 304, the rotating shaft 308 of the driving module 303 rotates to drive the reflector 302 and the sensing block 306 to deflect, the sensing block 306 contacts the photoelectric switch 305 during the deflection, the photoelectric switch 305 triggers, and the rotating shaft 308 of the driving module 303 stops rotating.
When the reflecting mirror 302 reflects the laser light emitted by the laser transmitter 200 to the laser power meter 301, the position of the reflecting mirror 302 is a first position.
When the driving module 303 drives the reflecting mirror 302 to deflect, the sensing block 306 deflects along the rotating shaft 308 synchronously, when the reflecting mirror 302 deflects to the first position, the sensing block 306 contacts with the photoelectric switch 305, the photoelectric switch 305 is triggered to send a high level signal to the driving module 303, which indicates that the deflecting action of the reflecting mirror 302 is completed, and the driving module 303 stops rotating after receiving the high level signal.
In this embodiment, the laser beam is emitted in the horizontal direction, and the laser power meter 301 is disposed directly above the reflecting mirror 302, so that when the reflecting surface of the reflecting mirror 302 forms an angle of 45 ° with the horizontal direction, the laser beam emitted from the laser emitter 200 is reflected by the reflecting mirror 302 and then enters the laser power meter 301, and at this time, the position of the reflecting mirror 302 is the first position.
Further as a preferred embodiment, the laser power meter further comprises a travel switch 307 and an industrial personal computer, the reflector 302 is connected with the travel switch 307 when not deflecting, and the industrial personal computer is respectively and electrically connected with the travel switch 307, the driving module 303, the photoelectric switch 305, the laser transmitter 200 and the laser power meter 301.
When laser power is not detected, the reflecting mirror 302 is arranged along the horizontal direction, the reflecting mirror 302 presses the travel switch 307, the travel switch 307 sends a high-level signal to the industrial personal computer, and the industrial personal computer controls the laser transmitter 200 to normally perform laser marking.
When the laser power is detected, the driving module 303 drives the mirror 302 to deflect, and the mirror 302 does not press the travel switch 307. After laser detection is completed, the driving module 303 controls the reflector 302 to deflect and restore the horizontal direction setting, then the reflector 302 presses the travel switch 307 again, the travel switch 307 sends a high-level signal to the industrial personal computer, and the industrial personal computer controls the laser emitter 200 to normally perform laser marking.
The laser power meter 301 sends the detected outgoing light power to the industrial personal computer for reading data.
Further as a preferred embodiment, a side plate 309 is disposed between the reflector 302 and the driving module 303, a through hole is disposed on the side plate 309, a rotating shaft 308 of the driving module 303 is fixedly connected to the reflector mounting base 304 and the sensing block 306 through the through hole, the driving module 303 is fixedly connected to the side plate 309, and the side plate 309 is fixedly connected to the housing 100.
The side plate 309 provides a supporting function for the driving module 303, and the driving module 303 is fixedly connected with the housing 100 through the side plate 309.
Further, as a preferred embodiment, the driving module 303 is a stepping motor. The rotating shaft 308 of the stepping motor drives the reflecting mirror 302 to deflect.
Embodiment 2, referring to fig. 5 and 6, a laser power detection module for a marking machine includes: the laser power detection device comprises a shell 100, a laser transmitter 200 and a power detection unit 300, wherein the laser transmitter 200 and the power detection unit 300 are arranged inside the shell 100, and the power detection unit 300 comprises a laser power meter 301 and a spectroscope 311;
a part of the light emitted from the laser emitter 200 is reflected by the beam splitter 311, the reflected light enters the laser power meter 301, and another part of the light passes through the beam splitter 311.
The laser emitted by the laser emitter 200 is divided into two parts by the beam splitter 311, one part is reflected into the laser power meter 301 by the beam splitter 311, and the other part passes through the beam splitter 311 and then is subjected to normal laser marking. In the laser marking process, the laser power meter 301 detects the light extraction efficiency of the laser emitter 200 in real time.
Further as a preferred embodiment, the portable terminal further includes a spectroscope mounting base 312, the spectroscope 311 is disposed in the spectroscope mounting base 312, and the spectroscope mounting base 312 is fixedly connected to the housing 100.
Further as a preferred embodiment, the light incident surface of the beam splitter 311 forms 45 ° with the horizontal direction, and the laser power meter 301 is located above the beam splitter 311.
The laser light emitted by the laser transmitter 200 enters the beam splitter 311 in the horizontal direction, the beam splitter 311 splits the laser light into two parts, and one part of the laser light is reflected to the laser power meter 301 located right above the beam splitter 311. The other part is transmitted through the beam splitter 311 and emitted in the horizontal direction.
Referring to fig. 7, a laser power detection mechanism for a marking machine includes the laser power detection module for a marking machine described above, and further includes a marking head 400 and a lens 410.
After the laser power detection is completed, the light emitted from the laser emitter 200 enters the marking head 400 and the lens 410 for laser marking, and the lens 410 is used for focusing a parallel laser beam on a point for marking.
A laser power detection mechanism for marking machine detects laser light-emitting power in time through setting up a laser power detection module for marking machine, improves laser marking printing effect.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a laser power detection module for marking machine which characterized in that includes: the laser power meter comprises a shell, a laser emitter and a power detection unit, wherein the laser emitter and the power detection unit are arranged inside the shell, and the power detection unit comprises a laser power meter, a reflector and a driving module; the driving module is connected with one end of the reflector;
the driving module is used for driving the reflector to deflect, light rays emitted by the laser emitter are reflected on the reflector, and reflected light of the reflector enters the laser power meter.
2. The laser power detection module for the marking machine according to claim 1, further comprising a reflector mounting base, wherein the reflector is disposed on the reflector mounting base, and a rotating shaft of the driving module is fixedly connected with one end of the reflector mounting base.
3. The laser power detection module for the marking machine according to claim 2, wherein a photoelectric switch is arranged behind the reflector mounting base, the photoelectric switch is electrically connected with the driving module, a sensing block is further arranged on a rotating shaft of the driving module, the sensing block is arranged below the reflector mounting base, the rotating shaft of the driving module rotates to drive the reflector and the sensing block to deflect, the sensing block contacts the photoelectric switch in the deflection process, the photoelectric switch is triggered, and the rotating shaft of the driving module stops rotating.
4. The laser power detection module for the marking machine according to claim 3, characterized by further comprising a travel switch and an industrial personal computer, wherein the reflector is connected with the travel switch when not deflecting, and the industrial personal computer is electrically connected with the travel switch, the driving module, the photoelectric switch, the laser emitter and the laser power meter respectively.
5. The laser power detection module of claim 3, wherein a side plate is disposed between the reflector and the driving module, a through hole is disposed on the side plate, a rotating shaft of the driving module is fixedly connected to the reflector mounting seat and the sensing block through the through hole, the driving module is fixedly connected to the side plate, and the side plate is fixedly connected to the housing.
6. The laser power detection module of claim 1, wherein the driving module is a stepping motor.
7. The utility model provides a laser power detection module for marking machine which characterized in that includes: the laser power meter comprises a shell, a laser emitter and a power detection unit, wherein the laser emitter and the power detection unit are arranged inside the shell, and the power detection unit comprises a laser power meter and a spectroscope;
and a part of light emitted by the laser emitter is reflected on the spectroscope, the part of light enters the laser power meter after being reflected, and the other part of light penetrates through the spectroscope.
8. The laser power detection module of claim 7, further comprising a spectroscope mounting seat, wherein the spectroscope is disposed in the spectroscope mounting seat, and the spectroscope mounting seat is fixedly connected to the housing.
9. The laser power detection module of claim 7, wherein the light incident surface of the beam splitter is at 45 ° to the horizontal, and the laser power meter is located above the beam splitter.
10. A laser power detection mechanism for a marking machine, comprising the laser power detection module for a marking machine of any one of claims 1 to 9, further comprising a marking head and a lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406221.3U CN211539930U (en) | 2019-08-27 | 2019-08-27 | Laser power detection module and mechanism for marking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406221.3U CN211539930U (en) | 2019-08-27 | 2019-08-27 | Laser power detection module and mechanism for marking machine |
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| Publication Number | Publication Date |
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| CN211539930U true CN211539930U (en) | 2020-09-22 |
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| CN201921406221.3U Active CN211539930U (en) | 2019-08-27 | 2019-08-27 | Laser power detection module and mechanism for marking machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172356A (en) * | 2021-04-26 | 2021-07-27 | 北京沃佳玛科技有限公司 | Light source attenuation detection device for monitoring laser coding machine |
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2019
- 2019-08-27 CN CN201921406221.3U patent/CN211539930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172356A (en) * | 2021-04-26 | 2021-07-27 | 北京沃佳玛科技有限公司 | Light source attenuation detection device for monitoring laser coding machine |
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Address after: No.16 Guangming Avenue, new light source industrial base, national high tech Zone, Nanhai District, Foshan City, Guangdong Province, 528200 Patentee after: Foshan Linkage Technology Co.,Ltd. Address before: 528000, Guangdong City, Foshan Province Nanhai District Guangming Village Road 16, Foshan linkage technology industry Co., Ltd. plant Patentee before: Foshan Linkage Technology Co.,Ltd. |