CN201646002U

CN201646002U - Laser marking machine

Info

Publication number: CN201646002U
Application number: CN2010201533532U
Authority: CN
Inventors: 高云峰; 汪玉树
Original assignee: Shenzhen Hans Laser Technology Co Ltd
Current assignee: Shenzhen Hans Laser Technology Co Ltd; Han s Laser Technology Co Ltd
Priority date: 2010-03-31
Filing date: 2010-03-31
Publication date: 2010-11-24
Anticipated expiration: 2020-03-31

Abstract

The utility model is suitable for laser making and provides a laser marking machine. The laser marking machine comprises a laser, a beam expanding lens and square heads consisting of scanning vibration mirror assemblies and a focus lenses. Laser emitted by the laser is subjected to beam expansion by the beam expanding lens, then enters the scanning vibration mirror assemblies, is focused by the focus lenses and is projected to the surface of a workpiece. A plurality of square heads are provided. The transmission light path of the laser is provided with a light splitting transmitting assembly for splitting the laser into a plurality of sub-beams. The sub-beams respectively enter the square heads. The laser marking machine provided by the utility model has a plurality of square heads and splits the laser output by the laser into a plurality of sub-beams through the light splitting transmitting assembly, a plurality of sub-beams respectively enter the square heads and the square heads carry out marking on different workpieces simultaneously so as to fulfill the aim of sufficiently utilizing power of the laser, also double efficiency of the marking machine and provide solution with low cost and high efficiency for a user.

Description

Laser marking machine

Technical field

The utility model belongs to the laser marking technology, relates in particular to a kind of laser marking machine.

Background technology

Laser marking is to utilize the high-energy-density laser beam, surface of the work is carried out local irradiation, make skin-material vaporization or generation change color rapidly, thereby expose the deep layer material, perhaps cause the Chemical Physics variation of entry material and carve vestige, perhaps burn the part material, show figure, the literal of required etching by luminous energy.Existing laser marking machine comprises laser instrument 11, beam expanding lens 12, scanning galvanometer group 13 and flat field focus lamp 14.As shown in Figure 1, the focus point of the laser that sends of laser instrument 11 after via beam expanding lens 12, scanning galvanometer group 13 and flat field focus lamp 14 is along with the swing of galvanometer is moved at surface of the work.At present the mark machine can only workpiece of mark, inefficiency, and the utilization rate of laser exists often not as good as 10% situation, demands promoting laser utilization rate and mark efficient urgently, gives the user low cost solution.

The utility model content

The purpose of this utility model is to provide a kind of laser marking machine, is intended to solve the existing low problem of mark engine efficiency.

The utility model is to realize like this, a kind of laser marking machine, comprise: laser instrument, beam expanding lens and the square toes that constitute by scanning galvanometer group and focus lamp, the laser that described laser instrument sends is after described beam expanding lens expands bundle, enter described scanning galvanometer group, be projected to surface of the work after described focus lamp focuses on, described square toes have a plurality of, the transmission light path of described laser is provided with the beam split conducting subassembly that described laser is divided into a plurality of beamlets, and described a plurality of beamlets enter each square toes respectively.

The conducting subassembly of beam split described in the utility model is located between described beam expanding lens and the square toes.

The conducting subassembly of beam split described in the utility model has a plurality of spectroscopes and speculum.

The laser marking machine that the utility model provides has a plurality of square toes, the laser of laser instrument being exported by the beam split conducting subassembly is divided into a plurality of beamlets, a plurality of beamlets enter each square toes respectively, simultaneously different workpieces is carried out mark by each square toes, reach the purpose of the power that makes full use of laser instrument, promote simultaneously the efficient of mark machine at double, give user's low cost, high efficiency solution.In addition, described beam split conducting subassembly is located between described beam expanding lens and the square toes, is beneficial to beam split and light path adjustment.In addition, adopt spectroscope and speculum to carry out beam split and light path adjustment, do not exist coupling efficiency, optical fiber head to burn out easily and focus on the back hot spot to become problem such as big.

Description of drawings

Fig. 1 is the structural representation of the laser marking machine that provides of prior art;

Fig. 2 is the structural representation (overlooking) that the utility model provides the laser marking machine of embodiment;

Fig. 3 is the structural representation (side-looking) that the utility model provides the laser marking machine of embodiment.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The laser marking machine that the utility model embodiment provides has a plurality of square toes, the laser of laser instrument being exported by the beam split conducting subassembly is divided into a plurality of beamlets, a plurality of beamlets enter each square toes respectively, simultaneously different workpieces is carried out mark by each square toes, reach the purpose of the power that makes full use of laser instrument, promote simultaneously the efficient of mark machine at double, give user's low cost, high efficiency solution.

A kind of laser marking machine, comprise: laser instrument, beam expanding lens and the square toes that constitute by scanning galvanometer group and focus lamp, the laser that described laser instrument sends is after described beam expanding lens expands bundle, enter described scanning galvanometer group, after focusing on, described focus lamp is projected to surface of the work, described square toes have a plurality of, and the transmission light path of described laser is provided with the beam split conducting subassembly that described laser is divided into a plurality of beamlets, and described a plurality of beamlets enter each square toes respectively.

Below enumerate some specific embodiments and describe the laser marking machine that the utility model embodiment provides in detail.

Embodiment one

Fig. 2 and Fig. 3 show the structure of the laser marking machine that present embodiment provides, and for convenience of explanation, only show the part relevant with present embodiment.

As shown in Figures 2 and 3, square toes 21 that the laser marking machine that the utility model embodiment provides comprises a laser instrument 20, a beam expanding lens 24, be made of scanning galvanometer group 25 and focus lamp 26 and be located at beam split conducting subassembly between described beam expanding lens 24 and the square toes 21, the position of set beam split conducting subassembly is beneficial to beam split and light path adjustment.Described square toes comprise first square toes 211, second square toes 212, third party 213 and square head 214; Described beam split conducting subassembly comprises first spectroscope 221, second spectroscope 222 and the 3rd spectroscope 223, and first speculum 231, second speculum 232, the 3rd speculum 233, the 4th speculum 234, the 5th speculum 235 and the 6th speculum 236; Behind the laser beam expanding that described laser instrument 20 sends, be projected to first spectroscope 221, be divided into first beamlet and second beamlet, described first beamlet is projected to first speculum 231, reflex to second spectroscope 222, be divided into the 3rd beamlet and the 4th beamlet, described the 3rd beamlet enters first square toes 211 through the 3rd speculum 233, and described the 4th beamlet enters second square toes 212 through the 4th speculum 234; Described second beamlet is projected to second speculum 232, reflex to the 3rd spectroscope 223, be divided into the 5th beamlet and the 6th beamlet, described the 5th beamlet enters third party 213 through the 5th speculum 235, and described the 6th beamlet enters square head 214 through the 6th speculum 236.The 3rd beamlet, the 4th beamlet, the 5th beamlet and the 6th beamlet enter four different square toes respectively, can carry out mark to four different workpieces simultaneously, four times of improved efficiencies, and cost increases not quite, make full use of the power of laser instrument, give user's low cost, high efficiency solution.

Embodiment two

Among the utility model embodiment, described first square toes 211, second square toes 212, third party 213 and square head 214 are arranged and are formed 2 * 2 arrays, can realize the expansion of four times of mark scopes.

In addition, above-mentioned speculum or link to each other with the motor of its orientation of spectroscope and control and angle, be convenient to adjust speculum or and spectroscope, make each beamlet enter square toes, the light path unanimity of process when also making each beamlet arrive processing work.Scanning galvanometer group described in the utility model embodiment is an XY scanning galvanometer group, and described focus lamp is a F-Theta flat field focus lamp.

In addition, the utility model embodiment adopts spectroscope and speculum to carry out beam split and light path adjustment, does not exist coupling efficiency, optical fiber head to burn out easily and focus on the back hot spot to become problem such as big, and mark efficient height and effect are good.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. laser marking machine, comprise: laser instrument, beam expanding lens and the square toes that constitute by scanning galvanometer group and focus lamp, the laser that described laser instrument sends is after described beam expanding lens expands bundle, enter described scanning galvanometer group, after described focus lamp focuses on, be projected to surface of the work, it is characterized in that described square toes have a plurality of, the transmission light path of described laser is provided with the beam split conducting subassembly that described laser is divided into a plurality of beamlets, and described a plurality of beamlets enter each square toes respectively.

2. laser marking machine as claimed in claim 1 is characterized in that, described beam split conducting subassembly is located between described beam expanding lens and the square toes.

3. laser marking machine as claimed in claim 2 is characterized in that, described beam split conducting subassembly has a plurality of spectroscopes and speculum.

4. laser marking machine as claimed in claim 3 is characterized in that, described square toes comprise first square toes, second square toes, third party's head and square head; Described beam split conducting subassembly comprises first spectroscope, second spectroscope and the 3rd spectroscope, and first speculum, second speculum, the 3rd speculum, the 4th speculum, the 5th speculum and the 6th speculum; Behind the described laser beam expanding, be projected to first spectroscope, be divided into first beamlet and second beamlet, described first beamlet is projected to first speculum, reflex to second spectroscope, be divided into the 3rd beamlet and the 4th beamlet, described the 3rd beamlet enters first square toes through the 3rd speculum, and described the 4th beamlet enters second square toes through the 4th speculum; Described second beamlet is projected to second speculum, reflexes to the 3rd spectroscope, is divided into the 5th beamlet and the 6th beamlet, and described the 5th beamlet enters third party's head through the 5th speculum, and described the 6th beamlet enters square head through the 6th speculum.

5. laser marking machine as claimed in claim 4 is characterized in that, each square toes is arranged and formed 2 * 2 arrays.

6. as claim 4 or 5 described laser marking machines, it is characterized in that, described speculum or link to each other with the motor of its orientation of spectroscope and control and angle.

7. as each described laser marking machine in the claim 1 to 5, it is characterized in that described scanning galvanometer group is an XY scanning galvanometer group, described focus lamp is a F-Theta flat field focus lamp.