CN202861622U - Laser cutting machine constant optical path compensation device - Google Patents
Laser cutting machine constant optical path compensation device Download PDFInfo
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- CN202861622U CN202861622U CN2012205580156U CN201220558015U CN202861622U CN 202861622 U CN202861622 U CN 202861622U CN 2012205580156 U CN2012205580156 U CN 2012205580156U CN 201220558015 U CN201220558015 U CN 201220558015U CN 202861622 U CN202861622 U CN 202861622U
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- optical path
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- cutting mechanism
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Abstract
The utility model discloses a laser cutting machine constant optical path compensation device. The laser cutting machine constant optical path compensation device comprises a machine table, a laser generator arranged on the machine table, an optical path reflecting mirror and a cutting mechanism. Laser beam emitted by the laser generator is focused on to-be-cut work pieces through the optical path reflecting mirror and the cutting mechanism. Compensating reflecting mirror groups are arranged on optical path between the laser generator and the cutting mechanism and are arrange on a moving mechanism. When the cutting mechanism is moved, compensating reflecting mirror groups synchronously move with the cutting mechanism through the moving mechanism to keep length of the laser beam from the laser generator to the cutting mechanism to be same. The laser cutting machine constant optical path compensation device is simple in structure, rational in design and low in maintaining cost. The optical path length of the laser beam optical path can be kept unchanged through the compensating reflecting mirror groups, so uniformity of cutting quality can be ensured, manufacturing quality of a whole length can be guaranteed, and stability of each machining end product dimensional precision can be achieved.
Description
Technical field
The utility model relates to the laser cutting machine technical field, particularly relates to the constant optical path compensation device of a kind of laser cutting machine.
Background technology
Increase along with field of laser processing, laser is required from small-power gradually towards powerful level development, take cutting processing as example, the thickness that is cut object constantly increases, and require cutting section quality and accuracy to keep, therefore, how controlling more accurately the stability of laser beam and reach the high standard crudy, is that all use directions that the manufacturer of laser cutting devices makes great efforts.
Emission after general laser beam produces because the angle of beam divergence changes, makes in the received scope of the diverse location of same light path and inconsistent, finally causes cut quality inconsistent, and the product error increases and is difficult to control quality.
The light path system of traditional laser cutting machine generally comprises laser generator, work speculum and cutting head, and the light beam of laser generator emission focuses on the workpiece to be cut through work speculum and cutting head.When cutting head moved, the work speculum kept motionless, and the length of light path can constantly change.Therefore, at different Working positions, beam diameter, focused spot diameter are all different because of the variation of length, and be larger at far point and near point optical path difference.The difference of the decay of the laser energy that causes thus and spot diameter size, optical quality causes creating a difference in far point and near point cut quality and cutting speed, and this difference of material that thickness is larger is particularly evident, affects whole crudy.
The utility model content
Based on this, be necessary the problem for the shortcoming of prior art, provide a kind of laser cutting machine constant optical path compensation device, it is simple in structure, and is reasonable in design, reduces maintenance cost, guarantee uniformity and the stability of cutting accuracy and cut quality, be applied to large stroke or powerful cutting environment
The constant optical path compensation device of a kind of laser cutting machine, comprise a board and be located at laser generator, light path speculum and cutting mechanism on the board, the laser beam of described laser generator emission is on light path speculum and cutting mechanism focus on workpiece to be cut on the board, light path between described laser generator and the cutting mechanism is provided with compensatory reflex mirror group, and described compensatory reflex mirror group is arranged in the travel mechanism; When described cutting mechanism moved, described compensatory reflex mirror group with the cutting mechanism synchronizing moving, kept identical to keep the stroke of described laser beam from described laser generator to cutting mechanism by travel mechanism.
Among embodiment, described compensatory reflex mirror group comprises two adjacent compensatory reflex mirrors therein, and two compensatory reflex mirrors are vertical the setting mutually, wherein after the bright dipping light path of a compensatory reflex mirror and the light inlet light path of last compensatory reflex mirror be parallel to each other and opposite direction.
Therein among embodiment, the distance that described compensatory reflex mirror group moves is half of the distance that moves of described cutting mechanism.
Among embodiment, an end of described board is provided with two guide rails therein, and the position is provided with Timing Belt between two guide rails, and described Timing Belt is by the Timing Belt motor-driven; Described travel mechanism is located on the described guide rail, and travel mechanism is fixedly connected with described Timing Belt; Described Timing Belt drives travel mechanism and moves along described guide rail.
Therein among embodiment, described cutting mechanism comprises transverse beam assembly and is located at cutting head assembly and transverse beam assembly motor on the transverse beam assembly; Described board both sides are provided with slide rail, and described transverse beam assembly is located on the described slide rail; Described transverse beam assembly motor-driven transverse beam assembly slides along described slide rail.
Therein among embodiment, described light path speculum comprises the first speculum, the second speculum and the 3rd speculum, described the first speculum and the second speculum are arranged at position between described laser generator and the compensatory reflex mirror group, and described the 3rd speculum is arranged at a sidepiece of described transverse beam assembly.
The constant optical path compensation device of above-mentioned laser cutting machine, simple in structure, cost is low, through compensatory reflex mirror group the light path of laser beam light path is remained unchanged, guarantee the consistent of cut quality, obtained the stability of total travel crudy and each processed finished products dimensional accuracy.
When cutting mechanism was near point, compensatory reflex mirror group was in the far point of optical path compensation device; When cutting mechanism was in far point, compensatory reflex mirror group was in the near point of optical path compensation device, kept the laser instrument generator consistent at far point and near point with the distance (being light path) of cutting mechanism by compensatory reflex mirror group, thereby guaranteed that cutting effect is consistent.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is that the utility model one angle optical path compensation transmits schematic diagram;
Fig. 3 is that another angle optical path compensation of the utility model transmits schematic diagram.
Below be the explanation of the utility model parts sign flag:
The specific embodiment
For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, resolve advantage of the present utility model and spirit, by below in conjunction with accompanying drawing and the specific embodiment detailed description of the present utility model being further understood.
The constant optical path compensation device of a kind of laser cutting machine comprises a board 10 and is located at laser generator 20, light path speculum and cutting mechanism 30 on the board 10.The laser beam of laser generator 20 emissions is through focusing on behind light path speculum and the cutting mechanism 30 on the workpiece to be cut on the board 10.Light path between laser generator 20 and the cutting mechanism 30 is provided with compensatory reflex mirror group 40.This compensatory reflex mirror group 40 is arranged in the travel mechanism 50, along with travel mechanism 50 moves around.Compensatory reflex mirror group 40 comprises two orthogonal compensatory reflex mirrors.When cutting mechanism 30 moved, with cutting mechanism 30 synchronizing movings, and the distance that moves of compensatory reflex mirror group 40 was the distance that moves of cutting mechanism 30 half by travel mechanism 50 for compensatory reflex mirror group 40.
One end of this board 10 is provided with the Timing Belt 12 that two mutual parallel guide rails 11 reach between two guide rails 11.This Timing Belt 12 is by the Timing Belt motor-driven.Travel mechanism 50 is located on the guide rail 11, and travel mechanism 50 is fixedly connected with Timing Belt 12.Timing Belt driven by motor Timing Belt 12 moves, and Timing Belt 12 drives travel mechanism 50 and moves along guide rail 11, and then travel mechanism 50 drives compensatory reflex mirror group 40 and moves.
This cutting mechanism 30 comprises a transverse beam assembly 31 and is located at cutting head assembly 32 and transverse beam assembly motor 33 on the transverse beam assembly 31.This cutting head assembly 32 moves along transverse beam assembly 31, and transverse beam assembly motor 33 is used for driving transverse beam assembly 31.These board 10 both sides are provided with slide rail 13, and transverse beam assembly 31 activities are located on the slide rail 13.Transverse beam assembly motor 33 drives transverse beam assembly 31 and slides along slide rail 13, in order to cut the diverse location of workpiece to be cut.Wherein Timing Belt motor and transverse beam assembly motor 33 shares one and drives signals, and the setting by the mechanical movement parameter makes two motors have identical rotating speed.
This light path speculum comprises the first speculum 60, the second speculum 70 and the 3rd speculum 80.The first speculum 60 and the second speculum 70 are arranged at position between laser generator 20 and the compensatory reflex mirror group 40, and the 3rd speculum 80 is arranged at a sidepiece of transverse beam assembly 31.
During the constant optical path compensation device work of the utility model laser cutting machine, the laser beam that described laser generator 20 is launched impinges upon on the first speculum 60, behind the first speculum 60 vertical reflections, shine in the compensatory reflex mirror group 40 first on latter two compensatory reflex mirror, shine in opposite direction on the second speculum 70, then on the second speculum 70 vertical reflections to the three speculums 80, enter at last this cutting head assembly 32, after cutting head assembly 32 focuses on, begin to cut workpiece to be cut.In cutting process, guarantee that by controlling this compensatory reflex mirror group 40 movement on guide rail 11 total length of whole laser optical path is constant.When cutting mechanism 30 was near point, compensatory reflex mirror group 40 was in the far point of optical path compensation device; When cutting mechanism 30 is in far point, compensatory reflex mirror group 40 is in the near point of optical path compensation device, keep the laser instrument generator consistent at far point and near point with the distance (being light path) of cutting mechanism 30 by compensatory reflex mirror group 40, thereby guarantee that cutting effect is consistent.
In sum, the utility model is simple in structure, reasonable in design, cost is low, through compensatory reflex mirror group 40 light path of laser beam light path is remained unchanged, guarantee the consistent of cut quality, obtained the stability of total travel crudy and each processed finished products dimensional accuracy, be applied to large stroke or powerful cutting environment.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. constant optical path compensation device of laser cutting machine, comprise a board and be located at laser generator, light path speculum and cutting mechanism on the board, the laser beam of described laser generator emission is on light path speculum and cutting mechanism focus on workpiece to be cut on the board, it is characterized in that, light path between described laser generator and the cutting mechanism is provided with compensatory reflex mirror group, and described compensatory reflex mirror group is arranged in the travel mechanism; When described cutting mechanism moved, described compensatory reflex mirror group with the cutting mechanism synchronizing moving, kept identical to keep the stroke of described laser beam from described laser generator to cutting mechanism by travel mechanism.
2. the constant optical path compensation device of laser cutting machine according to claim 1, it is characterized in that, described compensatory reflex mirror group comprises two adjacent compensatory reflex mirrors, two compensatory reflex mirrors are vertical the setting mutually, and wherein the bright dipping light path of a rear compensatory reflex mirror and the light inlet light path of last compensatory reflex mirror are parallel to each other and opposite direction.
3. the constant optical path compensation device of laser cutting machine according to claim 2 is characterized in that, the distance that described compensatory reflex mirror group moves is half of the distance that moves of described cutting mechanism.
4. the constant optical path compensation device of laser cutting machine according to claim 1 is characterized in that, an end of described board is provided with two guide rails, and the position is provided with Timing Belt between two guide rails, and described Timing Belt is by the Timing Belt motor-driven; Described travel mechanism is located on the described guide rail, and travel mechanism is fixedly connected with described Timing Belt; Described Timing Belt drives travel mechanism and moves along described guide rail.
5. the constant optical path compensation device of laser cutting machine according to claim 1 is characterized in that, described cutting mechanism comprises transverse beam assembly and is located at cutting head assembly and transverse beam assembly motor on the transverse beam assembly; Described board both sides are provided with slide rail, and described transverse beam assembly is located on the described slide rail; Described transverse beam assembly motor-driven transverse beam assembly slides along described slide rail.
6. the constant optical path compensation device of laser cutting machine according to claim 1, it is characterized in that, described light path speculum comprises the first speculum, the second speculum and the 3rd speculum, described the first speculum and the second speculum are arranged at position between described laser generator and the compensatory reflex mirror group, and described the 3rd speculum is arranged at a sidepiece of described transverse beam assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205580156U CN202861622U (en) | 2012-10-26 | 2012-10-26 | Laser cutting machine constant optical path compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205580156U CN202861622U (en) | 2012-10-26 | 2012-10-26 | Laser cutting machine constant optical path compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861622U true CN202861622U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205580156U Expired - Lifetime CN202861622U (en) | 2012-10-26 | 2012-10-26 | Laser cutting machine constant optical path compensation device |
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| Country | Link |
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| CN (1) | CN202861622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240530A (en) * | 2013-05-07 | 2013-08-14 | 深圳市木森科技有限公司 | Film cutting equipment |
| CN103658999B (en) * | 2013-12-13 | 2015-09-16 | 广东大族粤铭激光科技股份有限公司 | Laser cutting device |
-
2012
- 2012-10-26 CN CN2012205580156U patent/CN202861622U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240530A (en) * | 2013-05-07 | 2013-08-14 | 深圳市木森科技有限公司 | Film cutting equipment |
| CN103240530B (en) * | 2013-05-07 | 2015-08-05 | 深圳市木森科技有限公司 | A kind of film cutting device |
| CN103658999B (en) * | 2013-12-13 | 2015-09-16 | 广东大族粤铭激光科技股份有限公司 | Laser cutting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523808 Guangdong, Dongguan Songshan Lake high tech Industrial Development Zone Industrial Road, No. 28 Patentee after: GD HANS YUEMING LASER GROUP Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Wanjiang Yan Wu Community Industrial Zone Patentee before: GD HAN'S YUEMING LASER GROUP CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |