CN110640328A

CN110640328A - Automatic laser etching device

Info

Publication number: CN110640328A
Application number: CN201911053873.8A
Authority: CN
Inventors: 衣猛
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Weifang Goertek Electronics Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-03

Abstract

The invention provides an automatic laser etching device. The laser etching device comprises an operation platform, a carrier, a laser etching mechanism, a pattern recognition mechanism and a control mechanism, wherein the carrier can move along the Y-axis direction; the laser etching mechanism is suspended on the operating platform and is positioned at the front end of the operating platform, and comprises a laser etching head, and the laser etching head can move along the X-axis direction and the Z-axis direction; the pattern recognition mechanism is hung on the operation platform, is positioned at the rear side of the laser etching mechanism, can move along the X-axis direction, and comprises a detection camera, a detection lens and a detection light source, wherein the detection lens is arranged on the detection camera, and the detection light source is arranged at the bottom of the detection lens; control mechanism sets up in operation platform, and carrier, radium carving mechanism and pattern recognition mechanism all are connected with control mechanism, and control mechanism still is connected with the display screen. The invention can automatically judge whether the pattern on the product meets the standard, has accurate judgment, also detects the appearance of the product, obviously improves the appearance control effect of the product, and has convenient use, good effect, economy and practicability.

Description

Automatic laser etching device

Technical Field

The invention relates to the technical field of laser etching equipment, in particular to an automatic laser etching device.

Background

Laser engraving refers to laser engraving, wherein marks are engraved by chemical and physical changes of surface substances caused by light energy of laser beams, or partial substances are burnt by the light energy, so that patterns and/or characters required to be etched are shown; the method can be divided into dot matrix carving and vector cutting according to different carving modes.

The laser engraving machine engraves permanent marks on the surface of a substance or in a transparent substance by using a laser (laser) beam. The laser beam can generate both biochemical effect and special effect on the substance. When the material absorbs the laser light instantaneously, a physical or chemical reaction is generated, so that the mark is cut or a pattern or a character is displayed. Therefore, the laser engraving machine is also called a laser marking machine or a laser engraving machine.

In the computer, communication and consumer electronics integrated industry, patterns such as Chinese characters, letters, numbers, expressions, symbols or various combinations thereof are generally laser-engraved on the surface of a product in the manufacturing process, the same series of products have slight differences in design due to different specific purposes, and different patterns are laser-engraved on the surface of the product for distinguishing the series of products conveniently; however, because the product itself is relatively small, the laser engraved pattern is also small in order not to affect the use function. The existing laser etching machine cannot automatically identify whether the pattern laser etching is correct, and meanwhile, in the laser etching process, abrasion may be caused to a product, so that the appearance of the product is influenced.

Disclosure of Invention

The invention aims to provide an automatic laser etching device, and aims to solve the problem that in the prior art, a laser etching machine cannot automatically identify whether a laser etched pattern is correct or not, so that unqualified products cannot be distinguished.

In order to solve the technical problems, the invention adopts the following technical scheme:

in one aspect, the invention provides an automatic laser etching device, which comprises an operation platform, a carrier, a laser etching mechanism, a pattern recognition mechanism and a control mechanism, wherein the operation platform is used for carrying out laser etching on a workpiece; the operating platform plays a supporting role; the carrier is arranged on the operating platform, is used for bearing a product to be processed and can perform reciprocating linear motion along the Y-axis direction; the laser engraving mechanism is hung on the operating platform and is positioned at the front end of the operating platform, and comprises a laser engraving laser head, and the laser engraving laser head can perform reciprocating linear motion along the directions of an X axis and a Z axis; the pattern recognition mechanism is hung on the operating platform, is positioned at the rear side of the laser etching mechanism, can perform reciprocating linear motion along the X-axis direction, and comprises a detection camera, a detection lens and a detection light source, wherein the detection lens is arranged on the detection camera, and the detection light source is arranged at the bottom of the detection lens; the control mechanism is arranged in the operation platform, the carrier, the laser etching mechanism and the pattern recognition mechanism are all connected with the control mechanism, and the control mechanism is further connected with a display screen.

As a preferred embodiment, the carrier includes the slider, be equipped with the profile modeling frock that is used for installing the product of treating processing on the slider, be equipped with on the operation platform with the linear guide of slider looks adaptation.

As a preferred embodiment, a T-shaped groove is formed in the sliding block, and a sliding seat matched with the T-shaped groove is arranged at the bottom of the profiling tool.

As a preferred embodiment, a limiting mechanism for positioning the profiling tool is arranged on the T-shaped groove.

In a preferred embodiment, the T-shaped groove has a plurality of strips.

As a preferred embodiment, radium carving laser head sets up on a slide mechanism, slide mechanism is connected with first horizontal guide, slide mechanism's inside is equipped with vertical guide, radium carving laser head can be followed vertical guide carries out reciprocating linear motion.

As a preferred embodiment, the bottom of the first horizontal guide rail is provided with two first brackets, and the first horizontal guide rail is connected with the two first brackets and is positioned at the top of the first brackets.

In a preferred embodiment, the inspection camera is disposed on a mounting base, and the inspection camera is mounted on a sliding plate through the mounting base, and the sliding plate is connected with the second horizontal guide rail.

In a preferred embodiment, two second brackets are arranged at the bottom of the second horizontal guide rail, and the second horizontal guide rail is connected with the two second brackets and is positioned at the top of the second brackets.

As a preferred embodiment, the bottom of the sliding plate is connected with a detection seat, the detection light source is disposed on the detection seat, the detection seat is provided with detection through holes, and the detection light sources are annularly arranged along the circumferential direction of the detection through holes.

Compared with the prior art, the invention has the beneficial effects that: the invention moves the product to be processed to the position to be processed through the carrier, then the laser etching mechanism starts to work, the laser carving laser head moves to carve patterns on the product, and finally, the pattern recognition mechanism starts to work, the photo is taken by the detection camera, and the obtained photo is compared with the set pattern under the action of the control mechanism, thereby judging whether the pattern on the product meets the standard or not, displaying the result on the display screen, being convenient to use, accurate in judgment and clear at a glance, solving the problem that the correctness of the pattern laser-engraved by the laser engraving machine cannot be judged by manpower, and in addition, the invention also detects the appearance of the product, flaws such as abrasion caused to the product in the laser etching process of the product are also detected together, the management and control of the product appearance are completed, the appearance management and control effect of the product is remarkably improved, the effect is good, and the laser etching device is economical and practical.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a perspective view of the carrier shown in FIG. 1;

FIG. 4 is a schematic perspective view of the laser etching mechanism shown in FIG. 1;

FIG. 5 is a schematic perspective view of the pattern recognition mechanism of FIG. 1;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;

in the figure: 10-an operation platform; 11-a protective cover; 12-an indicator light; 13-a base plate; 14-a linear guide rail; 20-a carrier; 21-a slide block; 22-profiling tooling; 23-T type groove; 30-laser engraving mechanism; 31-laser engraving laser heads; 32-a sliding mechanism; 33-a first horizontal guide rail; 34-a first support; 40-a pattern recognition mechanism; 41-detection camera; 42-detection lens; 43-detecting the light source; 44-a mounting seat; 45-a sliding plate; 46-a second horizontal guide rail; 47-a second support; 48-a detection seat; 50-a control mechanism; 51-a display screen; 52-control buttons.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "inside", "outside", "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the automatic laser etching apparatus provided in this embodiment includes an operation platform 10, a carrier 20, a laser etching mechanism 30, a pattern recognition mechanism 40 and a control mechanism 50; operation platform 10 plays the supporting role, operation platform 10's lower part is a case, inside is equipped with components and parts, these components and parts are all common components and parts among the prior art, operation platform 10's upper portion is equipped with the support, the outside of support is protected through safety cover 11, make operation platform 10's inside form very big safe operation cavity, a radium carving and the detection achievement for accomplishing the product of treating processing, operation platform 10's top still is equipped with pilot lamp 12, pilot lamp 12 is used for showing this automatic radium carving device's operating condition, for example: indicating green to indicate that the device is in operation, indicating red to indicate abnormal state, and not displaying to indicate no work; the carrier 20 is disposed on the operation platform 10, and specifically, the carrier 20 is disposed on a bottom plate 13 of the operation platform 10, and is used for carrying a product to be processed, and can perform a reciprocating linear motion along the Y-axis direction, so as to transport the product to be processed to a designated position, for example: transporting the workpiece to a laser etching position or a detection position, and arranging an operation window on the protective cover 11 so as to conveniently place a product to be processed and take out the processed product; the laser engraving mechanism 30 is suspended on the operating platform 10 and is positioned at the front end of the operating platform 10, and comprises a laser engraving laser head 31, the laser engraving laser head 31 can perform reciprocating linear motion along the X-axis and Z-axis directions, the laser engraving laser head 31 performs reciprocating linear motion along the X-axis direction to adjust the transverse position relation between the laser engraving laser head 31 and a product to be laser engraved, the laser engraving laser head 31 performs reciprocating linear motion along the Z-axis direction to adjust the vertical distance between the laser engraving laser head and the product to be laser engraved, and laser engraving work on the product is realized under the coordination of the reciprocating linear motion along the X-axis direction; the pattern recognition mechanism 40 is hung on the operation platform 10, is positioned at the rear side of the laser etching mechanism 30, can perform reciprocating linear motion along the X-axis direction to photograph a pattern on a product to be detected, and comprises a detection camera 41, a detection lens 42 and a detection light source 43, wherein the detection lens 42 is arranged on the detection camera 41, the detection light source 43 is arranged at the bottom of the detection lens 42, and the pattern recognition mechanism 40 collects pattern information on the product to be detected; control mechanism 50 sets up in operation platform 10, generally set up in the case of operation platform 10 lower part, its control button 52 sets up on the casing of case, carrier 20, radium carving mechanism 30 and pattern recognition mechanism 40 all are connected with control mechanism 50, control mechanism 50 is connected with display screen 51 still, control mechanism 50 control carrier 20, radium carving mechanism 30 and pattern recognition mechanism 40's motion condition, make the gained result show on display screen 51, control mechanism 50 includes analysis module, carry out contrastive analysis with the pattern information that pattern recognition mechanism 40 gathered and the pattern that sets for in advance, thereby whether reachs the pattern and accords with the standard. This automatic radium carving device will treat the product of processing and remove the position of treating processing through carrier 20, then, radium carving mechanism 30 begins work, radium carving pattern on the product through the motion of radium carving laser head 31, and finally, pattern recognition mechanism 40 begins work, shoots the photo through detecting camera 41, and under control mechanism 50's effect, compare gained photo and the pattern of settlement, thereby judge whether the pattern on the product accords with the standard, show on display screen 51 as a result.

Referring to fig. 2, fig. 3, fig. 4 and fig. 5, the carrier 20 includes a slide block 21, a profiling fixture 22 for installing a product to be processed is disposed on the slide block 21, and a linear guide 14 adapted to the slide block 21 is disposed on the operation platform 10. The linear guide rail 14 is used for completing the motion in the Y-axis direction, the copying tool 22 can be replaced, the carrier 20 has strong universality, different copying tools 22 can be selected according to the shapes of products, and the carrier is suitable for most products. Normally, a T-shaped groove 23 is formed in the slide block 21, and a sliding seat matched with the T-shaped groove 23 is arranged at the bottom of the profiling tool 22. The profiling tool 22 slides along the T-shaped groove 23 through a sliding seat at the bottom of the profiling tool 22, so that the profiling tool 22 is moved to a specified position, preferably, a limiting mechanism for positioning the profiling tool 22 is arranged on the T-shaped groove 23, and the limiting mechanism is used for positioning the profiling tool 22 on the T-shaped groove 23 and preventing the profiling tool 22 from sliding after positioning; the limiting mechanism can be a positioning column arranged on one side of the T-shaped groove 23 and a positioning ring arranged on the other side of the T-shaped groove 23 and matched with the positioning column, and the setting direction of the positioning column is perpendicular to the length direction of the T-shaped groove 23, so that the sliding of the profiling tool 22 after positioning is limited. The profiling fixture 22 has a mounting hole for mounting a product to be processed, and usually, the mounting hole is provided with a fool-proof portion, which is convenient for mounting the product and prevents the installation direction of the product from being reversed. Furthermore, a plurality of T-shaped grooves 23 are formed in one sliding block 21, so that a plurality of profiling tools 22 can be arranged on one sliding block 21 to complete sequential processing of a plurality of products; thereby obtain a many caves movable carrier 20, carry out radium carving and detection to a plurality of products in proper order, improved production efficiency greatly.

Referring to fig. 2 and 4, in the laser etching mechanism 30, the laser etching laser head 31 is disposed on a sliding mechanism 32, the sliding mechanism 32 is connected with a first horizontal guide rail 33, specifically, two first brackets 34 are disposed at the bottom of the first horizontal guide rail 33, and the first horizontal guide rail 33 is connected with the two first brackets 34 and is located at the top of the first brackets 34; two vertical first brackets 34 are arranged at the bottom of the first horizontal guide rail 33, and the first horizontal guide rail 33 is hung on the operation platform 10 under the action of the two vertical first brackets 34, so that the laser etching mechanism 30 is hung on the operation platform 10. In addition, a vertical guide rail is also arranged in the sliding mechanism 32, and the laser engraving laser head 31 can perform reciprocating linear motion along the vertical guide rail, so that the reciprocating linear motion of the laser engraving laser head 31 in the Z-axis direction is realized; the vertical track inside the sliding mechanism 32 is usually realized by a lead screw, so as to adjust the vertical distance between the laser engraving laser head 31 and the product to be processed, and complete the laser engraving work.

Referring to fig. 2, 5 and 6, in the pattern recognition mechanism 40, the detection camera 41 is disposed on a mounting base 44, the detection camera 41 is mounted on a sliding plate 45 through the mounting base 44, and the sliding plate 45 is connected with a second horizontal guide rail 46. Specifically, the bottom of the second horizontal rail 46 is provided with two second brackets 47, and the second horizontal rail 46 connects the two second brackets 47 and is located on the top of the second brackets 47. Under the action of the second horizontal guide rail 46, the reciprocating linear motion of the pattern recognition mechanism 40 along the X-axis direction is realized; two vertical second brackets 47 are arranged at the bottom of the second horizontal guide rail 46, and the second horizontal guide rail 46 is also hung on the operation platform 10 under the action of the two vertical second brackets 47, so that the pattern recognition mechanism 40 is hung on the operation platform 10. The position of the pattern recognition unit 40 in the Z-axis direction is usually fixed, but the position of the pattern recognition unit 40 in the Z-axis direction may be set so as to be adjustable. In addition, the bottom of the sliding plate 45 is connected with a detection seat 48, the detection light source 43 is arranged on the detection seat 48, the detection seat 48 is provided with detection through holes, and the detection light sources 43 are annularly arranged along the circumferential direction of the detection through holes. The detection camera 41 collects patterns on the product after laser etching under the action of the detection lens 42; the detection light source 43 is usually an LED lamp, the LED lamp is disposed on the detection base 48, a detection through hole is disposed in the middle of the detection base 48 for capturing the pattern on the product after laser etching by the detection lens 42, the LED lamps are annularly arranged along the circumference of the detection through hole, and of course, the LED lamps may be arranged in other shapes.

Compared with the prior art, the invention has the beneficial effects that: the invention moves a product to be processed to a position to be processed through the carrier 20, then the laser engraving mechanism 30 starts to work, laser engraving patterns are engraved on the product through the movement of the laser engraving laser head 31, finally, the pattern recognition mechanism 40 starts to work, pictures are shot through the detection camera 41, and the obtained pictures are compared with the set patterns under the action of the control mechanism 50, so that whether the patterns on the product meet the standard or not is judged, the results are displayed on the display screen 51, the use is convenient, the judgment is accurate, the results are clear at a glance, the problem that whether the patterns engraved by the laser engraving machine are correct or not cannot be judged manually is solved, in addition, the invention also detects the appearance of the product, detects defects such as abrasion and the like caused to the product in the laser engraving process of the product, completes the management and control of the appearance of the product, and obviously improves the appearance management and control effect of the product, good effect, economy and practicality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an automatic radium carving device which characterized in that includes:

the operation platform plays a supporting role;

the carrier is arranged on the operating platform, is used for bearing a product to be processed and can perform reciprocating linear motion along the Y-axis direction;

the laser carving mechanism is hung on the operating platform and is positioned at the front end of the operating platform, and comprises a laser carving laser head, and the laser carving laser head can perform reciprocating linear motion along the directions of an X axis and a Z axis;

the pattern recognition mechanism is suspended on the operating platform, is positioned at the rear side of the laser etching mechanism, can perform reciprocating linear motion along the X-axis direction, and comprises a detection camera, a detection lens and a detection light source, wherein the detection lens is arranged on the detection camera, and the detection light source is arranged at the bottom of the detection lens;

the control mechanism is arranged in the operation platform, the carrier, the laser etching mechanism and the pattern recognition mechanism are all connected with the control mechanism, and the control mechanism is further connected with a display screen.

2. The automatic laser etching device of claim 1, wherein:

the carrier comprises a sliding block, a profiling tool used for installing a product to be processed is arranged on the sliding block, and a linear guide rail matched with the sliding block is arranged on the operating platform.

3. The automatic laser etching device of claim 2, wherein:

the sliding block is provided with a T-shaped groove, and the bottom of the profiling tool is provided with a sliding seat matched with the T-shaped groove.

4. The automatic laser etching device of claim 3, wherein:

and the T-shaped groove is provided with a limiting mechanism for positioning the profiling tool.

5. The automatic laser etching device of claim 3, wherein:

the T-shaped grooves are multiple.

6. The automatic laser etching device according to any one of claims 1 to 5, wherein:

radium carving laser head sets up on a slide mechanism, slide mechanism is connected with first horizontal guide, slide mechanism's inside is equipped with vertical guide rail, radium carving laser head can be followed vertical guide rail carries out reciprocating linear motion.

7. The automatic laser etching device of claim 6, wherein:

the bottom of the first horizontal guide rail is provided with two first supports, and the first horizontal guide rail is connected with the two first supports and is positioned at the top of the first supports.

8. The automatic laser etching device of claim 1, wherein:

the detection camera is arranged on a mounting seat, the detection camera is arranged on a sliding plate through the mounting seat, and the sliding plate is connected with a second horizontal guide rail.

9. The automatic laser etching device of claim 8, wherein:

and the bottom of the second horizontal guide rail is provided with two second supports, and the second horizontal guide rail is connected with the two second supports and is positioned at the top of the second supports.

10. The automatic laser etching device of claim 8, wherein:

the bottom of the sliding plate is connected with a detection seat, the detection light source is arranged on the detection seat, the detection seat is provided with detection through holes, and the detection light sources are annularly arranged along the circumferential direction of the detection through holes.