CN215393195U

CN215393195U - Automatic laser marking machine

Info

Publication number: CN215393195U
Application number: CN202121125426.1U
Authority: CN
Inventors: 孙元宏; 潘辉; 胡格; 张俊华; 徐涛
Original assignee: Wuhan Osun Photoelectric Technology Co ltd
Current assignee: Wuhan Osun Photoelectric Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-04
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to an automatic laser marking machine, which comprises a workbench, wherein a feeding assembly, a laser distance measuring assembly, a laser marking assembly and a blanking assembly are sequentially arranged on the surface of the workbench along the feeding direction; the workbench is also provided with a conveying component which is sequentially connected with the feeding component, the laser ranging component, the laser marking component and the discharging component, and the conveying component is used for conveying the machined part on the feeding component sequentially along the laser ranging component, the laser marking component and the discharging component. The utility model has the beneficial effects that: the automatic laser marking machine can automatically complete feeding and discharging actions through the feeding assembly and the discharging assembly, and the workload of personnel is reduced. The height of the workpiece can be automatically measured by the laser ranging assembly on the way that the workpiece is conveyed to the laser marking assembly, and after the measured height parameter is conveyed to the laser marking assembly, the laser processing focal length is automatically adjusted to ensure accurate marking of the workpiece; the whole equipment has high automation integration level and stable structure, and the working efficiency is improved.

Description

Automatic laser marking machine

Technical Field

The utility model relates to the technical field of laser marking, in particular to an automatic laser marking machine.

Background

The laser marking machine uses laser beam to make permanent mark on the surface of various materials, and the marking effect is that the deep layer material is exposed by means of evaporation of surface layer material so as to carve out correspondent pattern.

The existing laser marking machine needs to perform feeding and discharging actions on a workpiece in the using process, and adjusts the focal length of laser marking so as to ensure that the laser marking machine is in a positive focal state during processing. The laser marking machine that generally adopts at present need be by artifical completion go up the unloading action, goes to judge the processing region by people's eye or mechanical positioning, goes to adjust laser beam machining's focus by people's manual, and the manpower that whole course of working consumed is great, and the operation is loaded down with trivial details relatively moreover, and machining efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides an automatic laser marking machine to solve the problem of complex loading and unloading of the existing laser marking machine and complex operation caused by the need of manually judging a processing area.

The technical scheme for solving the technical problems is as follows: an automatic laser marking machine comprises a workbench, wherein a feeding assembly, a laser distance measuring assembly, a laser marking assembly and a discharging assembly are sequentially arranged on the surface of the workbench along a feeding direction; the workbench is also provided with a conveying component which is sequentially connected with the feeding component, the laser ranging component, the laser marking component and the discharging component, and the conveying component is used for conveying the machined part on the feeding component sequentially along the laser ranging component, the laser marking component and the discharging component.

The utility model has the beneficial effects that: the automatic laser marking machine can automatically complete feeding and discharging actions through the feeding assembly and the discharging assembly, and the workload of personnel is reduced. The height of the workpiece can be automatically measured by the laser ranging assembly on the way that the workpiece is conveyed to the laser marking assembly, and after the measured height parameter is conveyed to the laser marking assembly, the laser processing focal length is automatically adjusted to ensure accurate marking of the workpiece; the whole equipment has high automation integration level and stable structure, and the working efficiency is improved.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the feeding assembly comprises a feeding basket and a feeding basket lifting mechanism; the feeding basket is arranged right above the conveying assembly, and the inner wall of the feeding basket is provided with a plurality of striker plates which are sequentially arranged from top to bottom at equal intervals; and the feeding basket lifting mechanism is connected with the feeding basket and used for driving the feeding basket to lift along the vertical direction so as to support and carry the machined parts on the material baffle to the conveying assembly.

Further, every the striker plate is including all including relative setting and installing in the left baffle and the right baffle of inner wall about the charging basket respectively.

The beneficial effects of adopting above-mentioned further scheme are that, a plurality of work pieces of treating processing are separated in order through a plurality of striker plates in the material loading process, make the work piece can material loading to conveying assembly in proper order under material loading basket elevating system's drive on, stability is better.

Further, the laser ranging assembly comprises a laser displacement sensor, a sensor transverse moving assembly and a sensor longitudinal moving assembly; the laser displacement sensor is arranged right above the conveying assembly and connected with the sensor transverse moving assembly and the sensor longitudinal moving assembly, and the sensor transverse moving assembly and the sensor longitudinal moving assembly are respectively used for adjusting the transverse position and the longitudinal position of the laser displacement sensor.

The beneficial effect who adopts above-mentioned further scheme is that, sensor lateral shifting subassembly and sensor longitudinal movement subassembly are used for adjusting laser displacement sensor's horizontal and vertical position respectively, guarantee that laser displacement sensor can accurately follow the work piece of removal in-process to accomplish the accurate measurement to the work piece height.

Further, the laser marking component comprises a transverse axis moving component, a longitudinal axis moving component, a vertical axis moving component, a laser light path, a coaxial light path, a scanning galvanometer and an industrial camera; the longitudinal axis moving assembly is positioned on the transverse axis moving assembly and can transversely move on the transverse axis moving assembly; the vertical shaft moving assembly is positioned on the longitudinal shaft moving assembly and can move longitudinally on the longitudinal shaft moving assembly; the laser light path is arranged on the vertical axis moving assembly and can vertically move on the vertical axis moving assembly; the scanning galvanometer is arranged right above the conveying component and is connected with the laser light path through a coaxial light path; the industrial camera is arranged right above the conveying assembly and is installed on a coaxial light path.

The beneficial effect who adopts above-mentioned further scheme is that, after the work piece removed the mark area along with conveying assembly, move the subassembly through the cross axle, the axis of ordinates moves the subassembly and the vertical axis moves the subassembly constitutes a three-dimensional motion space to more accurate regulation scans the position of galvanometer and industry camera, formation coaxial formation of image when realizing carrying out laser beam machining to the work piece, promotes the mark precision of carving.

Further, the conveying assembly comprises a conveying belt, a driving wheel and a conveying belt driving mechanism; the conveying belt is in transmission connection with a driving wheel, and the driving wheel is in driving connection with a driving mechanism.

Further, the driving mechanism comprises a speed regulating motor and a coupler, and an output shaft of the speed regulating motor is connected with the driving wheel through the coupler.

Further, the conveying assembly further comprises two limiting plates which are distributed on two sides of the conveying belt along the length direction of the conveying belt respectively.

Furthermore, flaring openings extending outwards are formed at two ends of each of the two limiting plates.

The beneficial effect who adopts above-mentioned further scheme is that, drive the drive wheel through actuating mechanism and move to drive the conveyer belt and carry the work piece along the assigned direction. The limiting plates are arranged to guide the workpieces conveyed on the conveying belt, so that the workpieces are prevented from deviating.

Furthermore, an equipment outer cover covering the feeding assembly, the laser ranging assembly, the laser marking assembly and the blanking assembly is arranged on the workbench; the equipment housing is provided with a visual window, and the outside of the equipment housing is also provided with an operation panel.

The beneficial effect who adopts above-mentioned further scheme is that, should realize the closed processing when marking through equipment dustcoat 7, avoid the environment to produce the interference to work piece processing, also can avoid the smoke and dust that laser beam machining process produced to expand outward.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the loading assembly of the present invention;

FIG. 3 is a schematic view of a partial structure of a laser ranging assembly according to the present invention;

FIG. 4 is a schematic view of a portion of a laser marking assembly of the present invention;

FIG. 5 is a schematic view of a portion of the delivery assembly of the present invention;

FIG. 6 is a partial schematic view of another perspective of the delivery assembly of the present invention;

fig. 7 is a schematic view of the overall structure of the mounting cover in the embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the workstation, 2, the material loading subassembly, 21, the material loading basket, 211, the striker plate, 22, material loading basket elevating system, 3, laser rangefinder subassembly, 31, laser displacement sensor, 32, sensor lateral shifting subassembly, 33, sensor longitudinal movement subassembly, 4, laser mark subassembly, 41, the horizontal axis removes the subassembly, 42, the axis of ordinates removes the subassembly, 43, the vertical axis removes the subassembly, 44, the laser light path, 45, coaxial light path, 46, the scanning galvanometer, 47, industrial camera, 5, the unloading subassembly, 6, conveying component, 61, the conveyer belt, 62, the drive wheel, 63, actuating mechanism, 64, the limiting plate, 7, the dustcoat, 71, the visual window, 8, control the panel.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.

The utility model also provides a preferred embodiment

As shown in fig. 1, the automatic laser marking machine of the utility model comprises a workbench 1, wherein a feeding component 2, a laser ranging component 3, a laser marking component 4 and a blanking component 5 are sequentially arranged on the surface of the workbench 1 along the feeding direction; the workbench 1 is also provided with a conveying component 6 which is sequentially connected with the feeding component 2, the laser ranging component 3, the laser marking component 4 and the blanking component 5 and is used for conveying the machined parts on the feeding component 2 sequentially along the laser ranging component 3, the laser marking component 4 and the blanking component 5. This automatic laser marker can accomplish the action of going up unloading automatically through the material loading subassembly 2 and the unloading subassembly 5 that set up, reduces personnel's work load. Laser rangefinder subassembly 3 can carry out the altitude measurement to the work piece in the transportation process, both can detect whether normal material loading of work piece, detects numerical value simultaneously and can send laser marking subassembly 4 to, and laser marking subassembly 4 can be according to the high numerical value and then the adjustment that the conveying was come to accord with the mark focus of carving when every work piece adds man-hour, promote laser marking quality.

In this embodiment, as shown in fig. 2, the feeding assembly 2 includes a feeding basket 21 and a feeding basket lifting mechanism 22; the feeding basket 21 is arranged right above the conveying assembly 6, and the inner wall of the feeding basket is provided with a plurality of material blocking plates 211 which are sequentially arranged from top to bottom at equal intervals; the feeding basket lifting mechanism 22 is connected with the feeding basket 21 and used for driving the feeding basket 21 to lift along the vertical direction so as to support and carry the machined parts on the material baffle 211 to the conveying assembly 6. Firstly, the multilayer material baffle plates 211 are arranged to place multiple layers of workpieces to be processed, during feeding, the feeding basket lifting mechanism 22 drives the feeding basket 21 to descend until the workpieces on the lowest layer contact with the conveying assembly 6 and are supported on the conveying assembly 6, and then feeding of the workpieces can be achieved.

Wherein, every striker plate 211 is including all including relative setting and installing in the left baffle and the right baffle of inner wall about material loading basket 21 respectively. Bear work piece both sides edge through left baffle and right baffle, guarantee that the work piece can accurately fall into on conveying component 6. The feeding basket lifting mechanism 22 is formed by assembling a first screw rod module and a first servo motor, and the first screw rod module is driven by the first servo motor to drive the feeding basket 21 to lift.

It should be noted that the blanking assembly 5 is formed by the same structure as the feeding assembly 2, so as to realize accurate and automatic blanking of the workpiece, and the feeding assembly 2 and the blanking assembly 5 are symmetrically arranged on the workbench 1.

In this embodiment, as shown in fig. 3, the laser distance measuring assembly 3 includes a laser displacement sensor 31, a sensor transverse moving assembly 32, and a sensor longitudinal moving assembly 33; laser displacement sensor 31 arranges and links to each other in directly over conveyor components 6 and with sensor lateral shifting subassembly 32 and sensor longitudinal movement subassembly 33, sensor lateral shifting subassembly 32 and sensor longitudinal movement subassembly 33 are used for adjusting laser displacement sensor 31's horizontal and vertical position respectively, guarantee that laser displacement sensor 31 can accurately follow the work piece of removal in-process to accomplish the accurate measurement to the work piece height.

The sensor transverse moving assembly 32 is formed by assembling a second lead screw module and a second servo motor, and the second lead screw module is driven by the second servo motor to adjust the transverse position of the laser displacement sensor 31. The sensor longitudinal moving assembly 33 is formed by assembling a third lead screw module and a third servo motor, and the third lead screw module is driven by the third servo motor to adjust the longitudinal position of the laser displacement sensor 31.

In the present embodiment, in order to ensure the stability of the lateral movement of the laser displacement sensor 31, a set of linear guides disposed in the same direction as the sensor lateral movement assembly 32 may be installed at the same time to assist the movement.

In this embodiment, as shown in fig. 4, the laser marking assembly 4 includes a horizontal axis moving assembly 41, a vertical axis moving assembly 42, a vertical axis moving assembly 43, a laser light path 44, a coaxial light path 45, a scanning galvanometer 46, and an industrial camera 47; the longitudinal axis moving assembly 42 is positioned on the transverse axis moving assembly 41 and can move transversely on the transverse axis moving assembly 41; the vertical shaft moving assembly 43 is positioned on the longitudinal shaft moving assembly 42 and can move longitudinally on the longitudinal shaft moving assembly 42; the laser light path 44 is arranged on the vertical axis moving assembly 43 and can vertically move on the vertical axis moving assembly 43; the scanning galvanometer 46 is arranged right above the conveying component 6 and is connected with the laser light path 44 through a coaxial light path 45; the industrial camera 47 is arranged directly above the conveyor assembly 6 and mounted on the coaxial light path 45. When the workpiece moves to the marking area along with the conveying assembly 6, a three-dimensional motion space is formed by the transverse axis moving assembly 41, the longitudinal axis moving assembly 42 and the vertical axis moving assembly 43, so that the positions of the scanning galvanometer 46 and the industrial camera 47 are adjusted more accurately, coaxial imaging is formed while laser processing is performed on the workpiece, and marking precision is improved.

It should be noted that the horizontal axis moving component 41, the vertical axis moving component 42, and the vertical axis moving component 43 can be moving components formed by assembling a lead screw module and a servo motor.

In the present embodiment, the conveying assembly 6 shown in fig. 5 includes a conveying belt 61, a driving wheel 62, and a conveying belt driving mechanism 63; the conveying belt 61 is in transmission connection with a driving wheel 62, and the driving wheel 62 is in driving connection with a driving mechanism 63. The driving wheel 62 is driven by the driving mechanism 63 to operate, thereby driving the conveying belt 61 to convey the workpiece in a specified direction.

It should be noted that the driving mechanism 63 includes a speed-regulating motor and a coupling, and an output shaft of the speed-regulating motor is connected with the driving wheel 62 through the coupling.

In this embodiment, as shown in fig. 6, the conveying assembly 6 further includes two limiting plates 64 respectively distributed on two sides of the conveying belt 61 along the length direction of the conveying belt 61, and the workpieces conveyed on the conveying belt 61 are guided by the limiting plates 64, so as to prevent the workpieces from deviating. Two ends of the two limit plates 64 are both provided with flaring openings extending outwards, so that feeding and discharging of workpieces are facilitated.

In this embodiment, as shown in fig. 7, the workbench 1 is further provided with an equipment outer cover 7 covering the feeding assembly 2, the laser ranging assembly 3, the laser marking assembly 4 and the blanking assembly 5; the equipment outer cover 7 is provided with a visual window 71, and the outside is also provided with an operation panel 8. The closed processing when realizing the mark through equipment dustcoat 7 avoids the environment to produce the interference to work piece processing, also can avoid the smoke and dust that laser beam machining process produced to expand outward, and operating personnel controls through controlling panel 8 outside equipment dustcoat 7.

The working principle of the utility model is as follows:

firstly, the height of the feeding basket 21 is reset to the highest point, and workpieces to be processed are sequentially stacked and placed in the multilayer material baffle plates 211 of the feeding basket 21, so that the workpiece initial charging operation is completed. After the preparation work is finished, the feeding basket 21 is driven to descend by the feeding basket lifting mechanism 22 until the workpiece at the lowest layer is contacted with the conveying belt 61 and completely supported on the conveying belt 61, and then the lifting is stopped, and at this time, the feeding work is finished.

Then, the driving mechanism 63 is started to drive the conveying belt 61 to convey the workpiece along the feeding direction under the driving of the driving wheel 62, and after the workpiece enters the lower part of the laser ranging assembly 3, the position of the laser displacement sensor 31 is adjusted through the sensor transverse moving assembly 32 and the sensor longitudinal moving assembly 33 and is enabled to move synchronously with the workpiece, so that the height of the workpiece is detected.

Then, after the workpiece is continuously conveyed to the marking area below the laser marking component 4, the conveying is stopped, and at the moment, the laser marking component 4 adjusts the height of the scanning galvanometer 46 under the driving of the vertical moving component 43 by receiving the height parameter of the workpiece transmitted by the laser ranging component 3, so that the laser processing focal length is automatically adjusted; and then the transverse axis moving assembly 41 and the longitudinal axis moving assembly 42 drive the scanning galvanometer 46 and the industrial camera 47 to move, so that the workpiece is accurately marked.

And finally, after the workpiece is marked, the conveying assembly 6 continues conveying, and when the workpiece enters the blanking assembly 5, blanking is completed. And the continuous marking processing of the workpiece can be realized by circulating the working process.

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 utility model, 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. An automatic laser marking machine is characterized by comprising a workbench (1), wherein a feeding assembly (2), a laser ranging assembly (3), a laser marking assembly (4) and a blanking assembly (5) are sequentially arranged on the table top of the workbench (1) along the feeding direction; the automatic laser marking machine is characterized in that a conveying assembly (6) sequentially connected with the feeding assembly (2), the laser ranging assembly (3), the laser marking assembly (4) and the discharging assembly (5) is further mounted on the workbench (1) and used for conveying a machined part on the feeding assembly (2) sequentially along the laser ranging assembly (3), the laser marking assembly (4) and the discharging assembly (5).

2. The automatic laser marker according to claim 1, characterized in that said loading assembly (2) comprises a loading basket (21) and a loading basket lifting mechanism (22); the feeding basket (21) is arranged right above the conveying assembly (6), and the inner wall of the feeding basket is provided with a plurality of material blocking plates (211) which are sequentially arranged from top to bottom at equal intervals; the feeding basket lifting mechanism (22) is connected with the feeding basket (21) and used for driving the feeding basket (21) to lift along the vertical direction so as to carry a workpiece on the material baffle plate (211) to the conveying assembly (6).

3. The automatic laser marker according to claim 2, wherein each of the striker plates (211) comprises a left striker plate and a right striker plate which are oppositely arranged and respectively mounted on the left and right inner walls of the feeding basket (21).

4. The automatic laser marker according to claim 1, characterized in that said laser distance measuring assembly (3) comprises a laser displacement sensor (31), a sensor transverse movement assembly (32) and a sensor longitudinal movement assembly (33); the laser displacement sensor (31) is arranged right above the conveying assembly (6) and is connected with the sensor transverse moving assembly (32) and the sensor longitudinal moving assembly (33), and the sensor transverse moving assembly (32) and the sensor longitudinal moving assembly (33) are respectively used for adjusting the transverse position and the longitudinal position of the laser displacement sensor (31).

5. The automatic laser marker according to claim 1, characterized in that said laser marking assembly (4) comprises a transverse axis moving assembly (41), a longitudinal axis moving assembly (42), a vertical axis moving assembly (43), a laser light path (44), a coaxial light path (45), a scanning galvanometer (46) and an industrial camera (47); the longitudinal axis moving assembly (42) is positioned on the transverse axis moving assembly (41) and can move transversely on the transverse axis moving assembly (41); the vertical shaft moving assembly (43) is positioned on the longitudinal shaft moving assembly (42) and can move longitudinally on the longitudinal shaft moving assembly (42); the laser light path (44) is arranged on the vertical axis moving assembly (43) and can vertically move on the vertical axis moving assembly (43); the scanning galvanometer (46) is arranged right above the conveying component (6) and is connected with the laser light path (44) through a coaxial light path (45); the industrial camera (47) is arranged right above the conveying component (6) and is installed on the coaxial light path (45).

6. The automatic laser marker according to claim 1, characterized in that said conveyor assembly (6) comprises a conveyor belt (61), a drive wheel (62) and a conveyor belt drive mechanism (63); the conveying belt (61) is in transmission connection with a driving wheel (62), and the driving wheel (62) is in driving connection with a driving mechanism (63).

7. The automatic laser marker according to claim 6, wherein said drive mechanism (63) comprises a speed-regulating motor and a coupling, the output shaft of said speed-regulating motor being connected to the drive wheel (62) via the coupling.

8. The automatic laser marker according to claim 6, characterized in that said conveyor assembly (6) further comprises two stop plates (64) respectively distributed on both sides of the conveyor belt (61) along the length of the conveyor belt (61).

9. The automatic laser marking machine according to claim 8, characterized in that both ends of both of said limit plates (64) are formed with flares extending outwards.

10. The automatic laser marking machine according to any one of claims 1-9, wherein an equipment cover (7) covering the feeding assembly (2), the laser ranging assembly (3), the laser marking assembly (4) and the blanking assembly (5) is further arranged on the working table (1); a visual window (71) is arranged on the equipment outer cover (7), and an operation panel (8) is further arranged outside the equipment outer cover.