Disclosure of Invention
The invention mainly aims to provide a laser cutting and engraving marking integrated machine, which aims to improve the efficiency of laser engraving and cutting so as to reduce the production and manufacturing cost of products.
In order to achieve the above object, the present invention provides a laser cutting and engraving marking integrated machine for performing engraving marking and cutting processing on a workpiece, the laser cutting and engraving marking integrated machine comprising:
A base;
the placing table is arranged on the machine base and provided with a fixed position for fixing a workpiece; and
The engraving and cutting assembly is arranged on the base and comprises a first laser generator, a second laser generator and a laser head which is respectively connected with the first laser generator and the second laser generator;
the first laser generator is used for forming a first laser beam;
The second laser generator is used for forming a second laser beam;
the laser head is used for focusing and combining the first laser beam and the second laser beam and emitting the first laser beam and the second laser beam onto the workpiece so as to engrave and mark the workpiece and cut the workpiece.
In an embodiment, the engraving and cutting assembly further comprises a beam expander, a first optical gate, a first reflecting mirror and a second reflecting mirror, wherein the first laser beam emitted by the first laser generator is sequentially emitted into the laser head through the beam expander, the first optical gate, the first reflecting mirror and the second reflecting mirror.
In an embodiment, the engraving and cutting assembly further comprises a second optical gate, a third reflecting mirror and a fourth reflecting mirror, and the second laser beam emitted by the second laser generator is sequentially emitted into the laser head through the second optical gate, the third reflecting mirror and the fourth reflecting mirror.
In an embodiment, the first laser generator is a gas laser; the second laser generator is a fiber laser.
In an embodiment, the laser cutting and engraving marking integrated machine further comprises a first transfer component, wherein the first transfer component is installed on the base, and the first laser generator, the second laser generator and the laser head are all arranged on the first transfer component and move along a first direction and a second direction under the drive of the first transfer component;
Wherein the first direction and the second direction are perpendicular to each other.
In an embodiment, the laser cutting and engraving marking integrated machine further comprises a second transferring component, the second transferring component is installed on the base, and the placing table is arranged on the second transferring component and can move along a third direction when driven by the second transferring component;
the third direction is perpendicular to the first direction and the second direction respectively.
In an embodiment, the laser head includes a body, and a focusing lens, a beam combining lens and a scanning galvanometer which are respectively arranged in the body, wherein a first light inlet for injecting the first laser beam and a second light inlet for injecting the second laser beam are respectively formed in the body;
the first laser beam passes through the first light inlet and is focused by the focusing lens and then is emitted to the beam combining lens, the second laser beam passes through the second light inlet and is emitted to the beam combining lens after being scanned by the scanning vibrating lens, and the beam combining lens is used for combining the first laser beam and the second laser beam into emergent rays and emitting the emergent rays to a workpiece.
In an embodiment, the laser head further includes a sliding plate slidably connected with the body and a first driving member drivingly connected with the sliding plate, the beam combining lens is disposed on the sliding plate, and the sliding plate is driven by the first driving member to move along the first direction.
In an embodiment, the laser head further comprises a movable block movably connected with the body and a second driving piece in driving connection with the movable block, the first light inlet is formed in the movable block, and the movable block can move along the third direction under the driving of the second driving piece.
In an embodiment, the body is further provided with a CCD assembly for determining the workpiece and the carving and cutting positions thereof, the CCD assembly comprises a mounting seat, a camera, a lens and a light source, the mounting seat is arranged on the body, the camera body is arranged on the mounting seat, the lens is arranged on the mounting seat and connected with the camera body, and the light source is arranged on the mounting seat and is positioned on one side of the lens.
The invention sets the placing table of the laser cutting and engraving mark integrated machine on the machine base and sets the fixing position for fixing the workpiece, the engraving cutting component is installed on the machine base, the engraving cutting component comprises a first laser generator, a second laser generator and a laser head connected with the first laser generator and the second laser generator respectively, the first laser generator is used for forming a first laser beam, the second laser generator is used for forming a second laser beam, the laser head is used for focusing and combining the first laser beam and the second laser beam and emitting the first laser beam and the second laser beam onto the workpiece so as to engrave and cut the workpiece, thereby realizing the functions of laser engraving mark and cutting, improving the efficiency of laser engraving mark and cutting, and reducing the cost of product production and manufacture.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
At present, the laser engraving marking and cutting process is usually realized by two different devices, the cost of the engraving machine and the cutting machine is high, more operators are required to operate the two devices respectively, and the engraving and cutting periods are long, so that the production and manufacturing costs of products are very high.
In order to improve the efficiency of laser engraving marking and cutting and reduce the cost of product production and manufacturing, the invention provides a laser cutting and engraving marking integrated machine which is used for carrying out plane cutting, engraving/marking and other laser processing technologies, wherein the processing materials (workpieces) can be polymers and composite materials, and the thicknesses of the materials are not equal to each other and are not limited in the range of 0.1-12 mm.
Referring to fig. 1 to 3, in an embodiment of the present invention, the laser cutting and engraving marking integrated machine includes a base 100, a placement table 200, and an engraving cutting assembly 300; the placing table 200 is arranged on the machine base 100 and is provided with a fixing position for fixing a workpiece; the engraving and cutting assembly 300 is mounted on the machine base 100, and the engraving and cutting assembly 300 comprises a first laser generator 310, a second laser generator 320 and a laser head 330 respectively connected with the first laser generator 310 and the second laser generator 320; the first laser generator 310 is used for forming a first laser beam; the second laser generator 320 is used to form a second laser beam; the laser head 330 is used for focusing and combining the first laser beam and the second laser beam and emitting the first laser beam and the second laser beam onto the workpiece to perform engraving mark and cutting treatment on the workpiece.
The stand 100 may be assembled by welding or screwing a plurality of steel plates or aluminum plates; the placement table 200 may be made of metal or engineering plastic, and may be a honeycomb platform for placing products.
The first laser generator 310 may be a gas laser such as a carbon dioxide laser, the power of which may be 150W, and which may emit laser light with a wavelength of 10.60 μm; the second laser generator 320 may be an infrared nanosecond laser, which may have a power of 20W and may emit infrared light having a wavelength of 1064 nm. The first laser beam generated by the first laser generator 310 and the second laser beam generated by the first laser generator 310 are laser beams with different wave bands, so as to meet the requirements of different laser processes (engraving marks, cutting, etc.) on the laser beams. Here, the types and power magnitudes of the first and second laser generators 310 and 320 are not limited.
The laser head 330 of the engraving cutting assembly 300 may be selected from the group consisting of FL360-D45 type cutting heads and dynAXIS S type scanning heads, the specific type of laser head 330 is not limited herein.
It should be noted that, referring mainly to fig. 2, the optical path of the carving and cutting assembly 300 in the present embodiment can be protected by providing an organ cover 301.
When the whole machine is assembled, the components of the machine base 100 can be assembled first, then the placing table 200 is installed on the machine base 100 in a threaded connection, bonding or guide post movable insertion mode, and then the first laser generator 310, the second laser generator 320 and the laser head 330 of the engraving and cutting assembly 300 can be movably installed on the machine base 100 through a moving mechanism so as to adjust the relative positions of the engraving and cutting assembly 300 and the workpiece.
It can be understood that in the technical solution of the present invention, since the laser cutting and engraving marking integrated machine includes the stand 100, the placement table 200 and the engraving and cutting assembly 300, the placement table 200 is disposed on the stand 100 and is provided with a fixing position for fixing the workpiece, the engraving and cutting assembly 300 is mounted on the stand 100, the engraving and cutting assembly 300 includes the first laser generator 310, the second laser generator 320 and the laser head 330 respectively connected with the first laser generator 310 and the second laser generator 320, the first laser generator 310 is used for forming the first laser beam, the second laser generator 320 is used for forming the second laser beam, and the laser head 330 is used for focusing and combining the first laser beam and the second laser beam and transmitting the first laser beam and the second laser beam to the workpiece to perform engraving marking and cutting treatment on the workpiece, thereby realizing the laser engraving marking and cutting functions, improving the efficiency of the laser engraving marking and cutting, and reducing the cost of product manufacturing.
Referring to fig. 2 and 3, in order to implement a high-precision cutting and engraving marking process, in some embodiments, the laser cutting and engraving marking integrated machine may further include a first transfer assembly 400, the first transfer assembly 400 being mounted on the base 100, the first laser generator 310, the second laser generator 320, and the laser head 330 being disposed on the first transfer assembly 400 and being movable in a first direction and a second direction by the driving of the first transfer assembly 400; wherein the first direction and the second direction are perpendicular to each other.
In addition, in order to facilitate the adjustment of the focal length, in other embodiments, the laser cutting and engraving marking integrated machine may further include a second transfer assembly 500, the second transfer assembly 500 is mounted on the base 100, and the placement table 200 is disposed on the second transfer assembly 500 and can be driven by the second transfer assembly 500 to move along the third direction; the third direction is perpendicular to the first direction and the second direction, i.e., the first direction may be the X-axis direction in fig. 2, the second direction may be the Y-axis direction in fig. 2, and the third direction may be the Z-axis direction in fig. 2.
The second transfer assembly 500 may use a stepper motor as a driving source to drive the grinding screw to move along the third direction, so as to adjust the relative position between the workpiece to be processed and the laser head 330, and further adjust the focal length.
Referring to fig. 5, in order to achieve better laser engraving marking and cutting effects, in an embodiment, the engraving and cutting assembly 300 may further include a beam expander 311, a first optical shutter 312, a first mirror 313 and a second mirror 314, and the first laser beam emitted by the first laser generator 310 is sequentially emitted into the laser head 330 through the beam expander 311, the first optical shutter 312, the first mirror 313 and the second mirror 314. So configured, it is achieved that the first laser beam generated by the first laser generator 310 is injected into the laser head 330.
The beam expander 311 is used to adjust the laser beam diameter and divergence angle, and the first shutter 312 and a second shutter 321 described below are used to control the turning-off of the laser signal or the turning-on of the laser signal.
Based on the above embodiment, in an embodiment, the engraving cutting assembly 300 may further include a second shutter 321, a third mirror 322 and a fourth mirror 323, and the second laser beam emitted from the second laser generator 320 is sequentially emitted into the laser head 330 through the second shutter 321, the third mirror 322 and the fourth mirror 323. So configured, it is achieved that the second laser beam generated by the second laser generator 320 is directed to the laser head 330.
It should be noted that, the first mirror 313, the second mirror 314, the third mirror 322, and the fourth mirror 323 may be disposed at 45 degrees and disposed at appropriate positions to reflect the first laser beam and the second laser beam to the laser head 330, respectively.
Referring to fig. 4 and 6, in an embodiment, the laser head 330 may include a main body 331, and a focusing mirror 332, a beam combining mirror 333 and a scanning galvanometer 334 respectively disposed in the main body 331, where the main body 331 is provided with a first light inlet 331A into which a first laser beam is incident and a second light inlet 331B into which a second laser beam is incident.
The first laser beam passes through the first light inlet 331A and is focused by the focusing mirror 332 and then is emitted to the beam combining mirror 333, the second laser beam passes through the second light inlet 331B and is scanned by the scanning galvanometer 334 (including the field lens 338) and then is emitted to the beam combining mirror 333, and the beam combining mirror 333 is used for combining the first laser beam and the second laser beam into emergent rays and emitting the emergent rays onto a workpiece.
In order to adjust the position of the beam combining mirror 333 to achieve better engraving and cutting effects, in an embodiment, referring mainly to fig. 4, the laser head 330 may further include a sliding plate 335 slidably connected to the body 331 and a first driving member 336 drivingly connected to the sliding plate 335, the beam combining mirror 333 is disposed on the sliding plate 335, and the sliding plate 335 may be moved along a first direction (may be a width direction of the body 331) under the driving of the first driving member 336. The position of the beam combining mirror 333 can be conveniently adjusted by the arrangement, so that a certain beam combining effect is achieved, and coaxial processing is realized. The first driving member 336 and a second driving member (not shown) described below may be a cylinder, a stepper motor, a servo motor, or the like, which is not limited herein.
It should be noted that, when the first laser generator 310 needs high power processing, the first laser generator 310 can also drive the beam combiner 333 to move away through the first driving member 336 to effectively protect the beam combiner 333.
In order to fine tune the position of the first light inlet 331A to align the light, in an embodiment, the laser head 330 may further include a movable block 337 movably connected to the body 331 and a second driving member drivingly connected to the movable block 337, the first light inlet 331A is disposed on the movable block 337, and the movable block 337 is driven by the second driving member to move along a third direction (which may be a height direction of the body 331).
Referring to fig. 4, in some embodiments, a CCD assembly 600 for determining the carving and cutting positions of the workpiece and the workpiece may be further disposed on the body 331 of the laser head 330, the CCD assembly 600 includes a mounting base, a camera, a lens and a light source, the mounting base is disposed on the body 331, the camera body is mounted on the mounting base, the lens is disposed on the mounting base and connected with the camera body, and the light source is disposed on the mounting base and located at one side of the lens. The arrangement is such that the laser head 330 and the workpiece are adjusted to the processing position, thereby obtaining better engraving marks and cutting effects.
In order to enhance the safety performance of the whole apparatus, in some embodiments, referring to fig. 1, the laser cutting and engraving marking integrated machine further comprises a cabinet 10, and the stand 100 and the placement table 200 and engraving cutting assembly 300 thereon are provided inside the cabinet 10. The case 10 can be provided with a window for displaying a display 13 of the control system and a placement position for placing an operation keyboard, the case 10 can also be provided with a movable safety door 11 connected with the control system, and an operator can open and close the movable safety door 11 by pressing a button so as to take and place workpieces.
Referring to fig. 1 to 3, in an embodiment, the laser cutting and engraving marking integrated machine may further include a cooling device 20 and a dust extraction device 30; the cooling device 20 may be disposed at one side of the cabinet 10 and communicate with the carving and cutting assembly 300 in the cabinet 10 through a water pipe for providing cooling water to the carving and cutting assembly 300; the dust extraction device 30 can also be arranged on one side of the case 10 and is communicated with the dust extraction pipe 31 inside the case 10, and the dust extraction end of the dust extraction pipe 31 can be placed on one side of the laser head 330 so as to extract dust or harmful gas generated by laser engraving marking and cutting, thus reducing the pollution of the harmful gas generated in the laser processing process to the workshop environment.
In addition, in order to further improve the safety performance of the laser cutting and engraving marking integrated machine, referring to fig. 1, the laser cutting and engraving marking integrated machine may further be provided with an alarm device, which is connected with a control system, and an alarm signal lamp 12 may be disposed on the upper side of the casing 10 for displaying the operation state of the device, and sending an alarm signal to prompt a worker when the machine fails.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.