CN208384228U - A kind of laser two-dimension scanning device - Google Patents
A kind of laser two-dimension scanning device Download PDFInfo
- Publication number
- CN208384228U CN208384228U CN201820851079.2U CN201820851079U CN208384228U CN 208384228 U CN208384228 U CN 208384228U CN 201820851079 U CN201820851079 U CN 201820851079U CN 208384228 U CN208384228 U CN 208384228U
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- China
- Prior art keywords
- prism
- galvanometer
- laser
- driving motor
- scanning
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- Mechanical Optical Scanning Systems (AREA)
Abstract
The utility model discloses a kind of laser two-dimension scanning devices, for improving positioning accuracy and labeling effciency.The scanning means includes: the prism and galvanometer that orthogonal thereto mode is arranged；Wherein, the shaft of the prism and the orthogonal thereto mode of shaft of the galvanometer are arranged, and the prism is used to receive the laser of external incidence, the prism and galvanometer rotation, change laser emitting direction, complete laser two-dimension scanning.
Description
Technical field
The utility model relates to scanning means technical fields, and in particular to a kind of laser two-dimension scanning device.
Background technique
Laser two-dimension scanning device is the core component for determining laser marking machine performance, including large format type, tilting mirror class
Type and polarizer type.Large format scanning system marks head to run along X, Y sliding rail, completes scanning operation, and advantage is that breadth is big, but essence
Spend lower, poor reliability.Rotary mirror type scanning system completes scanning operation using stepper motor, but precision, speed are lower.Galvanometer
Formula scanning system is widely used since scanning speed is fast, repetitive positioning accuracy is high.
The mechanism that laser two-dimension scanning is completed in vibration mirror scanning type laser marking machine its X, the cooperation of Y-axis galvanometer is very suitable to vector
The label operation of figure, but when bitmap (dot chart) marks operation, an axis galvanometer faster reciprocal motion frequently repeats " to accelerate
The process of starting --- constant speed operation --- emergency braking ", another axis galvanometer can not play high-speed vibrating mirror with pole low-speed motion
Inherent advantage, i.e. positioning accuracy are higher, and labeling effciency is higher.
Utility model content
The utility model provides a kind of laser two-dimension scanning device, for improving positioning accuracy and labeling effciency.
In order to solve the above technical problems, the utility model provides a kind of laser two-dimension scanning device, which includes:
The prism and galvanometer that orthogonal thereto mode is arranged；
Wherein, the shaft of the prism and the orthogonal thereto mode of shaft of the galvanometer are arranged, and the prism is outer for receiving
The laser of portion's incidence, the prism and galvanometer rotation, change laser emitting direction, complete laser two-dimension scanning.
Optionally, further includes:
Prism driving motor is connect with the prism, for driving the prism to rotate；
Prism drive motor controller is connect with the prism driving motor, is turned for controlling the prism driving motor
It is dynamic.
Optionally, further includes:
Galvanometer driving motor is connect with the galvanometer, for driving the galvanometer to rotate；
Galvanometer drive motor controller is connect with the galvanometer driving motor, is turned for controlling the galvanometer driving motor
It is dynamic.
Optionally, the prism driving motor drives the prism at the uniform velocity period to rotate.
Optionally, the galvanometer driving motor drives the galvanometer order rotation.
Optionally, the prism is six prisms.
Optionally, the size of the eyeglass of the galvanometer meets the laser with prism drift angle injection corresponding to scanning range
Beam is all fallen within the eyeglass, and the center of hot spot of the laser beam on the eyeglass all falls within the shaft of the galvanometer
On.
Laser two-dimension scanning device provided by the embodiment of the utility model includes the prism and galvanometer that orthogonal thereto mode is arranged.
Prism is used cooperatively with galvanometer, and prism is used to receive the laser of external incidence, prism and galvanometer rotation, changes laser emitting direction
It can complete laser two-dimension scanning.When prism and galvanometer are used cooperatively, bitmap (dot chart) labeling effciency can be improved, simultaneously
It effectively reduces cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser two-dimension scanning device provided by the embodiment of the utility model.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with the utility model
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in embodiment, it is clear that institute
The embodiment of description is only a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.In the absence of conflict, the embodiment in the utility model and
Feature in embodiment can mutual any combination.
In the prior art, the mechanism of its X of vibration mirror scanning type laser marking machine, Y-axis galvanometer cooperation completion laser two-dimension scanning
It is very suitable to the label operation of vector graphics, but when bitmap (dot chart) marks operation, an axis galvanometer faster reciprocal motion, frequency
The process of heavy multiple " accelerating starting --- constant speed operation --- emergency braking ", another axis galvanometer is with pole low-speed motion, Wu Fafa
The Inherent advantage of high-speed vibrating mirror is waved, i.e. positioning accuracy is higher, and labeling effciency is higher.
In consideration of it, the utility model embodiment provides a kind of new laser two-dimension scanning device, which includes
The prism and galvanometer that orthogonal thereto mode is arranged.Prism is used cooperatively with galvanometer, and prism is used to receive the laser of external incidence, prism
It is rotated with galvanometer, laser two-dimension scanning can be completed by changing laser emitting direction.When prism and galvanometer are used cooperatively, Ke Yiti
High bitmap (dot chart) labeling effciency, effectively reduces cost simultaneously.
Technical solution provided by the embodiment of the utility model is introduced with reference to the accompanying drawings of the specification.
Referring to Figure 1, the utility model embodiment provides a kind of laser two-dimension scanning device, which can wrap
Include the prism 1 and galvanometer 3, prism driving motor and prism drive motor controller 2 and galvanometer driving electricity that orthogonal thereto mode is arranged
Machine and galvanometer drive motor controller 4.In Fig. 1, prism driving motor and prism drive motor controller 2 are arranged integrally, vibration
Mirror driving motor and galvanometer drive motor controller 4 are arranged integrally.Prism driving motor is connect with prism 1, for driving rib
Mirror 1 rotates.Prism drive motor controller is connect with prism driving motor, for controlling the rotation of 1 driving motor of prism.Galvanometer drives
Dynamic motor is connect with galvanometer 3, for driving galvanometer to rotate.Galvanometer drive motor controller is connect with galvanometer driving motor, is used for
Control the rotation of galvanometer driving motor.
Wherein, the shaft of prism 1 and the orthogonal thereto mode of shaft of galvanometer 3 are arranged, and prism 1 is used to receive swashing for external incidence
Light, prism 1 and galvanometer 3 rotate, and change laser emitting direction, complete laser two-dimension scanning.
The selection of prism 1 is related to scanning angle needed for laser two-dimension scanning device provided by the embodiment of the utility model,
In possible embodiment, prism 1 is six prisms, and certain prism 1 is not limited to six prisms.The size of the eyeglass of galvanometer 3 meet with
The laser beam that 1 drift angle of prism corresponding to scanning range is projected is all fallen within eyeglass, the center of hot spot of the laser beam on eyeglass
Position is all fallen in the shaft of galvanometer 3.When laser two-dimension scanning device needs to scan, prism driving motor drives prism
1 at the uniform velocity period rotated, and galvanometer driving motor drives 3 order rotation of galvanometer, to control laser emitting direction.Arrow line segment in Fig. 1
Indicate laser transmission direction.
Below based on laser two-dimension scanning device shown in FIG. 1, the working principle of laser two-dimension scanning device is introduced.
Laser two-dimension scanning device provided by the embodiment of the utility model, prism 1 are used cooperatively with galvanometer 3.Laser is injected
Before prism 1, expanded through beam expanding lens.When laser injects prism 1, the shaft of prism 1 and the shaft of galvanometer 3 are in just in space layout
Friendship relationship, but and it is non-intersecting.When some plane and laser beam are in spatial vertical relationship in prism 1, laser beam does not inject this just
Plane, but skimmed over outside the horizontal edge.
Laser beam injects 3 eyeglass of galvanometer after the reflection of prism 1, and prism driving motor drives the at the uniform velocity period of prism 1 to rotate, vibration
Mirror driving motor drives 3 order rotation of galvanometer, determines laser emitting direction to rotate angle by prism 1 and galvanometer 3.Incidence swashs
Light beam projects after prism 1, galvanometer 3 reflect, and laser beam injects F-THETA lens focus, 3 eyeglass of galvanometer after the reflection of galvanometer 3
Size guarantee with scanning range corresponding to 1 drift angle of prism project laser beam all fall within eyeglass, laser beam is in 3 mirror of galvanometer
The hot spot of on piece, center are all fallen in the shaft of galvanometer 3, therefore are sequentially turned by prism 1 at the uniform velocity period rotation and galvanometer 3
It is dynamic, laser two-dimension scanning is completed, label operation is completed at lens focal plane.
In conclusion prism 1 and galvanometer 3 cooperate in new laser two-dimension scanning device provided by the embodiment of the utility model
It uses, 1 uniform rotation of prism overcomes galvanometer 3 and moves back and forth the problem of accelerating and decelerating part can not mark, to effectively improve bitmap
(dot chart) labeling effciency.
High-speed vibrating mirror shared cost ratio in complete machine is considerable, when bitmap (dot chart) marks operation, substitutes height with prism 1
The axis galvanometer that speed moves back and forth, another axis select low speed galvanometer, can be effectively reduced while improving labeling effciency complete machine at
This.
When prism 1 and low speed galvanometer are used cooperatively, can effectively be dropped while improving bitmap (dot chart) labeling effciency
Low cost after vector graphics is interrupted resolution process at inflection point, can also win if prism 1 is used cooperatively with high-speed vibrating mirror
Vector graphics is appointed to mark job task.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of laser two-dimension scanning device characterized by comprising
The prism and galvanometer that orthogonal thereto mode is arranged；
Wherein, the shaft of the prism and the orthogonal thereto mode of shaft of the galvanometer are arranged, and the prism enters for receiving outside
The laser penetrated, the prism and galvanometer rotation, change laser emitting direction, complete laser two-dimension scanning；
Prism driving motor is connect with the prism, for driving the prism to rotate；
Prism drive motor controller is connect with the prism driving motor, for controlling the prism driving motor rotation.
2. scanning means as described in claim 1, which is characterized in that further include:
Galvanometer driving motor is connect with the galvanometer, for driving the galvanometer to rotate；
Galvanometer drive motor controller is connect with the galvanometer driving motor, for controlling the galvanometer driving motor rotation.
3. scanning means as described in claim 1, which is characterized in that the prism driving motor drives the prism at the uniform velocity all
Phase rotation.
4. scanning means as claimed in claim 2, which is characterized in that the galvanometer driving motor drives the galvanometer sequence to turn
It is dynamic.
5. scanning means as claimed in claim 1 or 3, which is characterized in that the prism is six prisms.
6. scanning means as claimed in claim 5, which is characterized in that the size of the eyeglass of the galvanometer meets and scanning range
The laser beam that the corresponding prism drift angle is projected is all fallen within the eyeglass, and laser beam is in the hot spot on the eyeglass
Heart position is all fallen in the shaft of the galvanometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851079.2U CN208384228U (en) | 2018-06-04 | 2018-06-04 | A kind of laser two-dimension scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851079.2U CN208384228U (en) | 2018-06-04 | 2018-06-04 | A kind of laser two-dimension scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384228U true CN208384228U (en) | 2019-01-15 |
Family
ID=64968832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820851079.2U Expired - Fee Related CN208384228U (en) | 2018-06-04 | 2018-06-04 | A kind of laser two-dimension scanning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748418A (en) * | 2019-10-30 | 2021-05-04 | 北醒（北京）光子科技有限公司 | Laser radar |
-
2018
- 2018-06-04 CN CN201820851079.2U patent/CN208384228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748418A (en) * | 2019-10-30 | 2021-05-04 | 北醒（北京）光子科技有限公司 | Laser radar |
| CN112748418B (en) * | 2019-10-30 | 2023-11-21 | 北醒（北京）光子科技有限公司 | Laser radar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |