CN202861622U - Constant optical path compensation device for laser cutting machine - Google Patents

Constant optical path compensation device for laser cutting machine Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
laser
optical path
cutting mechanism
cutting
reflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2012205580156U
Other languages
Chinese (zh)
Inventor
黄龙杰
王军
郑其锋
张进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gd Hans Yueming Laser Group Co ltd
Original Assignee
Gd Han's Yueming Laser Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gd Han's Yueming Laser Group Co ltd filed Critical Gd Han's Yueming Laser Group Co ltd
Priority to CN2012205580156U priority Critical patent/CN202861622U/en
Application granted granted Critical
Publication of CN202861622U publication Critical patent/CN202861622U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Laser Beam Processing (AREA)
  • Laser Surgery Devices (AREA)

Abstract

The utility model discloses a constant light path compensation device of a laser cutting machine, including a board and locating laser generator, light path reflector and cutting mechanism on the board. The laser beam emitted by the laser generator is focused on a workpiece to be cut on the machine table through the light path reflecting mirror and the cutting mechanism, and the light path between the laser generator and the cutting mechanism is provided with the compensation reflecting mirror group which is arranged on a moving mechanism. When the cutting mechanism moves, the compensation reflector group moves synchronously with the cutting mechanism through the moving mechanism so as to keep the same stroke of the laser beam from the laser generator to the cutting mechanism. The utility model discloses simple structure, reasonable in design reduces the maintenance cost, and the optical path that makes the laser beam light path through compensation speculum group remains unchanged, has guaranteed the unanimity of cutting quality, obtains full stroke processingquality and each processing finished product size precision's stability.

Description

The constant optical path compensation device of laser cutting machine
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:
Board 10, guide rail 11, Timing Belt 12, slide rail 13, laser generator 20, cutting mechanism 30, transverse beam assembly 31, cutting head assembly 32, transverse beam assembly motor 33, compensatory reflex mirror group 40, travel mechanism 50, the first speculum 60, the second speculum 70, the 3rd speculum 80.
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)

1.一种激光切割机恒定光路补偿装置,包括一机台及设于机台上的激光发生器、光路反射镜和切割机构,所述激光发生器发射的激光束经光路反射镜和切割机构聚焦到机台上的待切割工件上,其特征在于,所述激光发生器和切割机构之间的光路上设有补偿反射镜组,所述补偿反射镜组设置于一移动机构上;所述切割机构移动时,所述补偿反射镜组通过移动机构随切割机构同步移动,以保持所述激光束从所述激光发生器至切割机构的行程保持相同。1. A constant optical path compensation device for a laser cutting machine, comprising a machine table and a laser generator, an optical path reflector and a cutting mechanism arranged on the machine platform, the laser beam emitted by the laser generator passes through the optical path reflector and the cutting mechanism Focusing on the workpiece to be cut on the machine table, it is characterized in that a compensating mirror group is provided on the optical path between the laser generator and the cutting mechanism, and the compensating mirror group is arranged on a moving mechanism; When the cutting mechanism moves, the compensating mirror group moves synchronously with the cutting mechanism through the moving mechanism, so as to keep the same travel of the laser beam from the laser generator to the cutting mechanism. 2.根据权利要求1所述的激光切割机恒定光路补偿装置,其特征在于,所述补偿反射镜组包括二相邻的补偿反射镜,二补偿反射镜相互垂直设置,其中后一补偿反射镜的出光光路与前一补偿反射镜的入光光路相互平行且方向相反。2. The constant optical path compensation device for laser cutting machine according to claim 1, wherein the compensating mirror group comprises two adjacent compensating mirrors, and the two compensating mirrors are arranged perpendicular to each other, wherein the latter compensating mirror The outgoing light path of the first compensating mirror is parallel to the incoming light path of the previous compensating mirror, and the direction is opposite. 3.根据权利要求2所述的激光切割机恒定光路补偿装置,其特征在于,所述补偿反射镜组移动的距离为所述切割机构移动的距离的一半。3. The constant optical path compensation device for laser cutting machine according to claim 2, characterized in that the moving distance of the compensation mirror group is half of the moving distance of the cutting mechanism. 4.根据权利要求1所述的激光切割机恒定光路补偿装置,其特征在于,所述机台的一端部设有两导轨,两导轨之间位置设有同步带,所述同步带通过同步带电机驱动;所述移动机构设于所述导轨上,移动机构与所述同步带固定连接;所述同步带带动移动机构沿着所述导轨移动。4. The constant optical path compensation device for laser cutting machine according to claim 1, characterized in that, one end of the machine table is provided with two guide rails, a timing belt is arranged between the two guide rails, and the timing belt passes through the timing belt Driven by a motor; the moving mechanism is arranged on the guide rail, and the moving mechanism is fixedly connected with the synchronous belt; the synchronous belt drives the moving mechanism to move along the guide rail. 5.根据权利要求1所述的激光切割机恒定光路补偿装置,其特征在于,所述切割机构包括横梁组件及设于横梁组件上的切割头组件和横梁组件电机;所述机台两侧设有滑轨,所述横梁组件设于所述滑轨上;所述横梁组件电机驱动横梁组件沿着所述滑轨滑动。5. The constant optical path compensation device for laser cutting machine according to claim 1, characterized in that, the cutting mechanism includes a crossbeam assembly and a cutting head assembly and a crossbeam assembly motor arranged on the crossbeam assembly; There is a slide rail on which the beam assembly is arranged; the motor of the beam assembly drives the beam assembly to slide along the slide rail. 6.根据权利要求1所述的激光切割机恒定光路补偿装置,其特征在于,所述光路反射镜包括第一反射镜、第二反射镜和第三反射镜,所述第一反射镜和第二反射镜设置于所述激光发生器和补偿反射镜组之间位置,所述第三反射镜设置于所述横梁组件的一侧部。6. The constant optical path compensation device for laser cutting machine according to claim 1, characterized in that, the optical path reflector comprises a first reflector, a second reflector and a third reflector, and the first reflector and the second reflector The two mirrors are arranged between the laser generator and the compensating mirror group, and the third mirror is arranged on one side of the beam assembly.
CN2012205580156U 2012-10-26 2012-10-26 Constant optical path compensation device for laser cutting machine Expired - Lifetime CN202861622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205580156U CN202861622U (en) 2012-10-26 2012-10-26 Constant optical path compensation device for laser cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205580156U CN202861622U (en) 2012-10-26 2012-10-26 Constant optical path compensation device for laser cutting machine

Publications (1)

Publication Number Publication Date
CN202861622U true CN202861622U (en) 2013-04-10

Family

ID=48028379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205580156U Expired - Lifetime CN202861622U (en) 2012-10-26 2012-10-26 Constant optical path compensation device for laser cutting machine

Country Status (1)

Country Link
CN (1) CN202861622U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN203830903U (en) Large Format Laser Marking Device
CN101518855B (en) A multifunctional laser processing equipment
CN105301768B (en) Lens vibrating type laser scanning system
CN205733425U (en) A kind of zoom laser scanning cutter sweep
CN106773025B (en) Focusing lens and galvanometer laser scanning system
CN106994561B (en) A kind of dynamic rotary marking control system and control method
CN109262152A (en) A kind of double-station FPC ultraviolet laser cutting equipment
CN110039194B (en) Laser cutting device
CN103801826B (en) Laser processing focusing device, focusing method and laser processing equipment
CN201086459Y (en) laser marking machine
CN203380508U (en) Laser processing system with machine vision
CN107971629A (en) Laser working light path structure
CN201693290U (en) A laser processing device
WO2022052162A1 (en) Three-dimensional scanning system having double-paraboloidal mirror dynamic focusing module
CN202861622U (en) Constant optical path compensation device for laser cutting machine
CN101623795B (en) Laser cutting light guide system, laser cutting device and laser cutting method
CN106141455A (en) A high-speed and high-precision laser cutting machine
CN102632336A (en) Switching macro micro laser high-speed cutting machine tool
CN203282048U (en) Cutting machine for laser cutting of PET thin film
CN206065681U (en) A high-speed and high-precision laser cutting machine
CN212330036U (en) A high-precision control of multiple CO2 lasers synchronously processing light guide plate equipment
CN206824815U (en) Laser process equipment
CN212858175U (en) Device for controlling laser to move in XY plane coordinate system
CN202028874U (en) Light path fixing device for laser cutting equipment
CN205393786U (en) Laser processing head and laser processing device

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

Granted publication date: 20130410

CX01 Expiry of patent term