CN216912514U - Laser marking machine - Google Patents
Laser marking machine Download PDFInfo
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- CN216912514U CN216912514U CN202123303105.9U CN202123303105U CN216912514U CN 216912514 U CN216912514 U CN 216912514U CN 202123303105 U CN202123303105 U CN 202123303105U CN 216912514 U CN216912514 U CN 216912514U
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Abstract
The utility model provides a laser marking machine; the visual component comprises a visual camera and at least two visual light sources, the visual camera is positioned between the adjacent visual light sources, and the visual camera and the visual light sources face the same position of a conveying working surface of the conveying mechanism; a guide plate is arranged above the conveying working surface along the conveying direction, and the conveying mechanism and the marking mechanism are arranged at intervals; the guide plate is arranged on the conveying working face, the workpiece on the guide plate is guided to correct the posture of the workpiece, the irradiation on the surface of the workpiece is realized by combining multiple light sources, the recognition precision is improved, and the marking efficiency is ensured.
Description
Technical Field
The utility model relates to the field of marking machines, in particular to a laser marking machine.
Background
Laser marking is a marking method in which a workpiece is locally irradiated with high-energy-density laser to vaporize a surface layer material or to undergo a chemical reaction of color change, thereby leaving a permanent mark.
The existing laser marking equipment mostly adopts vibration feeding, is influenced by the vibration feeding, cannot meet the requirements on the placing position and the posture of a workpiece when the workpiece reaches a conveying mechanism, and needs to additionally arrange posture adjusting equipment between the conveying mechanism and the feeding mechanism, so that the marking efficiency is reduced due to the fact that a processing line is prolonged; moreover, for a workpiece with an error in angle posture, the light source irradiation position is deviated, the visual mechanism is not easy to identify the surface of the workpiece, the deviation of the marking position, repeated marking or omission of marking conditions may occur in the marking process, and the requirement of the marking machine is difficult to meet.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a laser marking machine, which aims to correct the posture of a workpiece by arranging a guide plate on a conveying working surface and guiding the workpiece on the guide plate, realize the irradiation of the surface of the workpiece by combining a plurality of light sources, improve the identification precision and ensure the marking efficiency.
In order to realize the purpose, the following technical scheme is adopted:
a laser marking machine comprises a conveying mechanism, a marking mechanism and a visual assembly, wherein the visual assembly comprises a visual camera and at least two visual light sources, the visual camera is positioned between the adjacent visual light sources, and the visual camera and the visual light sources face to the same position of a conveying working surface of the conveying mechanism; and a guide plate is arranged above the conveying working surface along the conveying direction, and the conveying mechanism and the marking mechanism are arranged at intervals.
Furthermore, along the conveying direction, a feeding mechanism is butted at the upstream of the conveying mechanism, and the output end of the feeding mechanism is connected with one end of the conveying working surface.
Furthermore, the downstream of the conveying mechanism is in butt joint with a material receiving mechanism, and the material receiving mechanism is in butt joint with one end, far away from the material feeding mechanism, of the conveying working surface.
Furthermore, two guide plates are arranged at intervals, each guide plate is connected with a guide support, and the guide supports can drive the guide plates to adjust the relative positions of the guide plates and the conveying working face.
Further, the guide plates are arranged in parallel, and the guide plates are combined with the conveying working surface to form a conveying channel for the workpieces.
Furthermore, marking mechanism is connected with the marking support, and marking mechanism connects trigger switch, and trigger switch's trigger area is towards carrying the working face.
Further, trigger switch erects and carries the working face top, and trigger switch is located between marking mechanism and the vision mechanism.
Furthermore, the visual light source is connected with a light source support, and the light source support drives the visual light source to adjust the irradiation position of the visual light source.
Further, the conveying mechanism comprises a conveying belt and a driving element, the driving element is connected with the conveying belt through a speed reducer, and the top surface of the conveying belt forms a conveying working surface.
Further, conveying mechanism, marking mechanism and vision subassembly all install in the frame.
Compared with the prior art, the utility model has the advantages and positive effects that:
(1) aiming at the problem that the marking accuracy of the existing marking mechanism for the workpiece is insufficient, the guide plate is arranged on the conveying working surface, the workpiece on the guide plate is guided to correct the posture of the workpiece, the irradiation of the surface of the workpiece is realized by combining multiple light sources, the identification precision is improved, and the marking efficiency is ensured.
(2) The guide plates are arranged on the conveying working surface, guiding is achieved through the channel between the two guide plates, the posture of the workpiece is adjusted at the end of the channel, the posture deviation of the workpiece is limited through the side wall in the channel, the workpiece can reach the marking area according to the required posture, and accurate marking is achieved.
(3) Set up a plurality of light sources and shine the work piece on the transport working face, guarantee the clear formation of image on work piece surface, reduce because of different gestures lead to the problem of visual mechanism identification failure or identification error, improve marking machine's work efficiency and guarantee to beat the mark quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural diagram of a laser marking machine in embodiment 1 of the present invention;
FIG. 2 is a schematic view of a feeding mechanism of a laser marking machine in embodiment 1 of the present invention;
fig. 3 is a schematic view of a conveying mechanism, a marking structure, and a vision assembly in embodiment 1 of the present invention.
In the figure, 1, a feeding assembly, 2, a conveying assembly, 3, a marking assembly, 4, a frame, 11, a vibrating disc hopper, 12, a base plate, 13, a base, 14, a feeder, 21, a conveying belt, 22, a trigger switch, 23, a guide plate, 31, a laser path, 32, a vision camera and 33, a vision light source.
Detailed Description
Example 1
In a typical embodiment of the present invention, a laser marking machine is provided, as shown in fig. 1-3.
As shown in fig. 1, the laser marking machine is mainly used for marking the surface of a workpiece, and a permanent mark is formed on the surface of the workpiece by using local irradiation of laser, so that the laser marking machine can be connected with a workpiece assembly line and can work independently. In this embodiment, divide into four bibliographic categories with laser marking machine, be material loading subassembly 1, transport assembly 2, mark subassembly 3 and frame 4 respectively, transport assembly 2, mark subassembly 3 and all install in frame 4, and material loading subassembly 1 is located transport assembly 2 one side, can carry the work piece to transport assembly 2 in proper order. In addition, the output position of the conveying assembly 2 can also be provided with a material receiving assembly for receiving and collecting marked workpieces.
As shown in fig. 1, the laser marking machine mainly includes a feeding mechanism, a receiving mechanism, a conveying mechanism, a marking mechanism and a visual assembly, wherein the conveying mechanism, the marking mechanism and the visual assembly are all installed on a frame 4, the feeding mechanism is connected with a feeder 14 and jointly used as the feeding assembly 1, the marking mechanism and the visual assembly jointly used as a marking assembly 3, the conveying mechanism and a guide plate 23 matched with the conveying mechanism are used as a conveying assembly 2, and the receiving assembly formed by the receiving mechanism is not shown in the figure. The visual assembly comprises a visual camera 32 and at least two visual light sources 33, the visual camera 32 is positioned between the adjacent visual light sources 33, and the visual camera 32 and the visual light sources 33 are both towards the same position of the conveying working face of the conveying mechanism; and a guide plate 23 is arranged above the conveying working surface along the conveying direction, and the conveying mechanism and the marking mechanism are arranged at intervals.
As shown in fig. 2, the feeding mechanism is a vibrating feeder, and comprises a vibrating tray hopper 11, a chassis 12 and a base 13, wherein the vibrating tray hopper 11 is flexibly fixed on the chassis 12, and a pulse electromagnet is installed in the chassis 12, so that the vibrating tray hopper 11 can vertically move and also can make the hopper perform torsional vibration around a vertical axis, and a workpiece in the vibrating tray hopper 11 rises along a spiral track until reaching a discharge port, and then reaches the head end of the conveying mechanism through a linear feeder 14.
Meanwhile, the feeding mechanism and the conveying mechanism may have a height difference in practical application, a screw rod transmission device is arranged in the base 13, and the height of a discharge port of the adjustable feeder 14 is consistent with that of the conveying mechanism; the conveying mechanism can adapt to different heights. The workpiece leaves the vibrating tray hopper 11 and enters the linear feeder 14, so that the workpiece can be fed into the conveying mechanism for the next marking operation.
As shown in fig. 1 and 3, two guide plates 23 are arranged at intervals, each guide plate 23 is connected with a guide bracket, and the guide brackets can drive the guide plates 23 to adjust the relative positions with the conveying working surface; the guide plates 23 are arranged in parallel, and the guide plates 23 form a conveying passage of the workpiece in conjunction with the conveying face.
The guide plate 23 is arranged on the machine frame 4 at two sides of the conveying mechanism through a bracket and a lock rod, the installation is simple and convenient, and the adjustment can be carried out according to the size of a workpiece. The guide plates 23 are arranged on the conveying working surface, guiding is achieved through a channel between the two guide plates 23, the posture of the workpiece is adjusted at the end of the channel, the posture deviation of the workpiece is limited through the side walls in the channel, the workpiece can reach a marking area according to the required posture, and accurate marking is achieved.
As shown in fig. 1 and 3, the marking mechanism is connected with a marking support, the marking mechanism is connected with a trigger switch 22, and a trigger area of the trigger switch 22 faces to a conveying working surface; the trigger switch 22 is erected above the conveying working surface, and the trigger switch 22 is located between the marking mechanism and the vision mechanism.
Similarly, the visual light source 33 is connected to a light source support, and the light source support drives the visual light source 33 to adjust the irradiation position; the conveying mechanism comprises a conveying belt 21 and a driving element, the driving element is connected with the conveying belt 21 through a speed reducer, and the top surface of the conveying belt 21 forms a conveying working surface.
In this embodiment, the trigger switch 22 may be an optoelectronic switch, and the optoelectronic switch is triggered after the workpiece reaches the designated position, so as to control the operation of the marking mechanism.
After the workpiece enters a preset marking position through the conveying belt 21, the photoelectric switch senses that the workpiece enters the marking position and sends a signal, the conveying mechanism stops running, and the visual light source 33 and the visual camera 32 work.
The vision camera 32 collects the workpiece image, determines the marking position according to the workpiece position and the angle, and outputs the result to control the laser beam to perform marking work. As shown in fig. 3, the visual light source 33 illuminates the marking area on the left and right sides, respectively, which is more favorable for the imaging effect of the visual camera 32. The up-down, left-right positions of the vision camera 32 and the vision light source 33 can be adjusted, and the height and the angle of the vision light source 33 are adjusted to the position with the best imaging effect according to the size of the workpiece.
Set up a plurality of light sources and shine the work piece on the transport working face, guarantee the clear formation of image on work piece surface, reduce because of different gestures lead to the problem of visual mechanism identification failure or identification error, improve marking machine's work efficiency and guarantee to beat the mark quality.
As shown in fig. 3, the marking mechanism is a laser marking element formed by a laser cooperating with a vibrating mirror and other elements, wherein laser is emitted by the laser and transmitted to the vibrating mirror through an optical fiber to form a laser beam, and the laser beam is output to a workpiece according to a laser path 31 shown in fig. 3 during marking, so as to perform marking operation on the surface of the workpiece.
It can be understood that control components such as an industrial personal computer are arranged in the cabinet body of the rack 4, and the operation of each component is regulated and controlled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A laser marking machine is characterized by comprising a conveying mechanism, a marking mechanism and a visual assembly, wherein the visual assembly comprises a visual camera and at least two visual light sources, the visual camera is positioned between the adjacent visual light sources, and the visual camera and the visual light sources face to the same position of a conveying working surface of the conveying mechanism; and a guide plate is arranged above the conveying working surface along the conveying direction, and the conveying mechanism and the marking mechanism are arranged at intervals.
2. The laser marking machine of claim 1 wherein a feed mechanism is docked upstream of the conveyor mechanism in the direction of conveyance, the feed mechanism output being connected to one end of the conveyor face.
3. The laser marking machine according to claim 2, wherein a receiving mechanism is docked downstream of the conveying mechanism in the conveying direction, the receiving mechanism docking with an end of the conveying work surface remote from the feeding mechanism.
4. The laser marking machine of claim 1, wherein two guide plates are arranged at intervals, and each guide plate is connected with a guide support which can drive the guide plate to adjust the relative position of the guide plate and the conveying working surface.
5. The laser marking machine of claim 4, wherein the guide plates are arranged in parallel, the guide plates forming a conveying path for the workpiece in conjunction with the conveying work surface.
6. The laser marking machine according to claim 1, characterized in that the marking mechanism is connected with a marking support, the marking mechanism is connected with a trigger switch, and a trigger area of the trigger switch faces to the conveying working surface.
7. The laser marking machine of claim 6 wherein the trigger switch is mounted above the conveyor face, the trigger switch being located between the marking mechanism and the vision mechanism.
8. The laser marking machine of claim 1, wherein the vision light source is connected to a light source support, and the light source support drives the vision light source to adjust the irradiation position.
9. The laser marking machine of claim 1 wherein the conveyor mechanism comprises a conveyor belt and a drive element, the drive element being connected to the conveyor belt by a speed reducer, the top surface of the conveyor belt forming the conveyor work surface.
10. The laser marking machine of claim 1 wherein the transport mechanism, marking mechanism and vision assembly are mounted to a frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303105.9U CN216912514U (en) | 2021-12-24 | 2021-12-24 | Laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303105.9U CN216912514U (en) | 2021-12-24 | 2021-12-24 | Laser marking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216912514U true CN216912514U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123303105.9U Active CN216912514U (en) | 2021-12-24 | 2021-12-24 | Laser marking machine |
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| CN (1) | CN216912514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339246A (en) * | 2022-07-29 | 2022-11-15 | 池州华宇电子科技股份有限公司 | High-precision semiconductor laser printing equipment |
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2021
- 2021-12-24 CN CN202123303105.9U patent/CN216912514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339246A (en) * | 2022-07-29 | 2022-11-15 | 池州华宇电子科技股份有限公司 | High-precision semiconductor laser printing equipment |
| CN115339246B (en) * | 2022-07-29 | 2024-01-16 | 池州华宇电子科技股份有限公司 | High-precision semiconductor laser printing equipment |
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