CN211248827U - Laser cutting machine tool - Google Patents
Laser cutting machine tool Download PDFInfo
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- CN211248827U CN211248827U CN201922440949.4U CN201922440949U CN211248827U CN 211248827 U CN211248827 U CN 211248827U CN 201922440949 U CN201922440949 U CN 201922440949U CN 211248827 U CN211248827 U CN 211248827U
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Abstract
The application provides a laser cutting machine, include: the device comprises a laser, a rotating shaft prism assembly, a focusing lens assembly, a base, a supporting seat and a workbench; the rotating shaft prism assembly comprises a sleeve, a shaft prism, a motor and a central controller, the shaft prism is arranged in the sleeve in a rotating mode around the axis of the shaft prism, the motor is in transmission connection with the shaft prism, the central controller is electrically connected with the motor, and laser emitted by the laser is emitted into the shaft prism; the focusing lens assembly is correspondingly arranged at the light-emitting position of the axicon assembly, and laser entering the axicon penetrates through the axicon and enters the focusing lens assembly; the workbench can slide along the Y-axis direction and the Z-axis direction, a material sheet is loaded on the workbench, and laser entering the focusing lens assembly penetrates through the focusing lens assembly and enters the material sheet. The technical problem of how to reduce or avoid the crackle of the cutting face of tablet when carrying out circular or arc cutting to the tablet, improve the cutting face quality of tablet is solved to this application.
Description
Technical Field
The application relates to the technical field of laser cutting, in particular to a laser cutting machine tool.
Background
With the rapid development of smart phones and semiconductor industries, laser processing technology has become the main technology in the field of precision micromachining at present, and is realized by a laser cutting machine.
The existing laser cutting machine tool converts laser into a Bessel beam of ultrashort pulse for cutting by adopting an axicon, when the laser is cut, the laser is fixed, and a work table carries a material sheet to move, so that the laser forms relative motion on the material sheet for cutting, but because the axicon has certain precision defect during production and manufacture, after the laser beam passes through the axicon, the plane outer contour of the laser beam is deformed, so that when the laser beam is injected into the material sheet in a micro angle, a point is not formed on the plane of the material sheet, but a directional crack is formed, so that a cutting line is not formed by connecting multiple points, but formed by connecting multiple directional cracks, when circular or arc cutting processing is required, cracks exist on the cutting surface of the cut material sheet, and the quality of a product is seriously influenced, as shown in figure 2, FIG. 2 is a plan view of a prior art machine tool for circular cutting of a material sheet; therefore, how to reduce or avoid cracks on the cutting surface of the material sheet when the material sheet is cut in a circular or arc shape, and improve the quality of the cutting surface of the material sheet is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a laser cutting machine tool, which solves the technical problems that how to reduce or avoid cracks of a cutting surface of a material sheet when the material sheet is cut in a circular or arc shape, and the quality of the cutting surface of the material sheet is improved.
In view of this, the present application provides a laser cutting machine including: the device comprises a laser, a rotating shaft prism assembly, a focusing lens assembly, a base, a supporting seat and a workbench;
the supporting seat is fixedly arranged on the base;
the laser and the rotating shaft prism assembly are arranged on the supporting seat;
the rotating shaft prism assembly comprises a sleeve, a shaft prism, a motor and a central controller, the shaft prism is rotatably arranged in the sleeve around the axis of the shaft prism, the motor is in transmission connection with the shaft prism, the central controller is electrically connected with the motor, and laser emitted by the laser is emitted into the shaft prism;
the focusing lens assembly is correspondingly arranged at the light outlet position of the axicon assembly, and the laser which is emitted into the axicon passes through the axicon and is emitted into the focusing lens assembly;
the workbench is arranged above the base and located below the light outlet of the focusing lens assembly, the workbench can slide along the Y-axis direction and the Z-axis direction, a material sheet is loaded on the workbench, and laser of the focusing lens assembly penetrates through the focusing lens assembly to be injected onto the material sheet.
Further, the motor is in transmission connection with the shaft prism through a synchronous belt.
Further, the device also comprises an optical path correction component;
the optical path correction component is arranged between the laser and the rotating shaft prism component;
the optical path correction component comprises an X-direction reflecting galvanometer and a Y-direction reflecting galvanometer;
and laser emitted by the laser enters the axicon after being reflected by the X-direction reflecting vibrating mirror and the Y-direction reflecting vibrating mirror in sequence.
Furthermore, the X-direction reflecting galvanometer is in transmission connection with a galvanometer motor.
Furthermore, the Y-direction reflecting galvanometer is in transmission connection with a galvanometer motor.
Further, the device also comprises a beam expanding collimating lens;
the beam expanding collimating lens is arranged between the optical path correcting component and the rotating shaft prism;
and the laser reflected by the Y-direction reflecting galvanometer enters the axicon after passing through the beam expanding collimating mirror.
Further, a material sheet positioning cylinder is arranged on the workbench;
furthermore, a material sheet fixing device is arranged on the workbench.
Further, the motor is a servo motor.
Further, the laser is an ultraviolet femtosecond laser.
Compared with the prior art, the embodiment of the application has the advantages that:
the application provides a laser cutting machine, include: the device comprises a laser, a rotating shaft prism assembly, a focusing lens assembly, a base, a supporting seat and a workbench; the supporting seat is fixedly arranged on the base; the laser and the rotating shaft prism assembly are arranged on the supporting seat; the rotating shaft prism assembly comprises a sleeve, a shaft prism, a motor and a central controller, the shaft prism is rotatably arranged in the sleeve around the axis of the shaft prism, the motor is in transmission connection with the shaft prism, the central controller is electrically connected with the motor, and laser emitted by the laser is emitted into the shaft prism; the focusing lens assembly is correspondingly arranged at the light outlet position of the axicon assembly, and the laser which is emitted into the axicon passes through the axicon and is emitted into the focusing lens assembly; the workbench is arranged above the base and located below the light outlet of the focusing lens assembly, the workbench can slide along the Y-axis direction and the Z-axis direction, a material sheet is loaded on the workbench, and laser of the focusing lens assembly penetrates through the focusing lens assembly to be injected onto the material sheet.
Laser cutting machine in this application, set up in the sleeve through rotating the axicon around self axis, and adopt the motor to carry out the transmission and connect, the motor is connected with central controller electricity, thereby through central controller control motor, make motor drive axle prism rotate around self axis, thereby make the direction change of the laser crack that forms on the tablet that penetrates to the tablet through the axicon, can drive the direction of movement of tablet to correspond the direction that changes the crack according to the workstation, make the direction of crack and the direction coincidence of cutting route, thereby effectively reduce the crackle of the cutting plane of tablet, improve the quality of the cutting plane of tablet, how reduce or avoid the crackle of the cutting plane of tablet when carrying out circular or arc cutting to the tablet has been solved, improve the technical problem of the cutting plane quality of tablet.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a laser cutting machine provided in an embodiment of the present application;
FIG. 2 is a plan view of a prior art machine tool for circular cutting of a material sheet;
fig. 3 is a plan view of a laser cutting machine provided in an embodiment of the present application for performing circular cutting on a material sheet;
FIG. 4 is a schematic structural view of a rotating shaft prism assembly of the present application;
wherein the reference numerals are: the laser device comprises a laser 1, a rotary shaft prism assembly 2, a focusing lens assembly 3, a sleeve 4, a shaft prism 5 and a motor 6.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
For easy understanding, please refer to fig. 1, fig. 3 and fig. 4, fig. 1 is a schematic structural diagram of a laser cutting machine provided by an embodiment of the present application; fig. 3 is a plan view of a laser cutting machine provided in an embodiment of the present application for performing circular cutting on a material sheet; FIG. 4 is a schematic structural view of a rotating shaft prism assembly of the present application;
the application provides a laser cutting machine, include: the device comprises a laser 1, a rotating shaft prism component 2, a focusing lens component 3, a base, a supporting seat and a workbench;
the supporting seat is fixedly arranged on the base;
the laser 1 and the rotating shaft prism component 2 are arranged on the supporting seat;
the rotating shaft prism assembly 2 comprises a sleeve 4, a shaft prism 5, a motor 6 and a central controller, wherein the shaft prism 5 is arranged in the sleeve 4 in a rotating mode around the axis of the shaft prism 5, the motor 6 is in transmission connection with the shaft prism 5, the central controller is electrically connected with the motor 6, and laser emitted by the laser 1 is emitted into the shaft prism 5;
the focusing lens component 3 is correspondingly arranged at the light-emitting position of the axicon 5, and laser which enters the axicon 5 penetrates through the axicon 5 and enters the focusing lens component 3;
the workstation sets up in the top of base, and is located the below of focusing lens subassembly 3's light-emitting department, and the workstation can slide along Y axle direction and Z axle direction, and the material piece is loaded on the workstation, and the laser that jets into focusing lens subassembly 3 passes focusing lens subassembly 3 and jets into to the material piece.
The laser 1 is used for emitting a gaussian beam, a laser head of the laser 1 corresponds to the axicon 5, so that laser emitted by the laser 1 can pass through the axicon 5, the axicon 5 is used for converting the gaussian beam emitted by the laser 1 into a bessel beam, and when the bessel beam is emitted into a material sheet, the material sheet can generate a crack deeper than the gaussian beam, so that the laser can be applied to cutting material sheets with different thicknesses;
the axicon 5 is rotatably arranged in the sleeve 4, the sleeve 4 is of a hollow structure, so that laser can penetrate through the sleeve 4, the sleeve 4 is fixedly arranged on the supporting seat, and the motor 6 is in transmission connection with the axicon 5;
the focusing lens component 3 is correspondingly arranged at the light-emitting position of the axial prism 5, specifically is fixedly arranged below the rotating axial prism component 2, and the focusing lens component 3 comprises two flat convex lenses which are arranged in an array manner and are used for focusing laser and reducing the diameter of a light spot;
the workstation sets up in the top of base, and be located the below of focus lens piece subassembly 3's light-emitting department, be provided with Y axle slip subassembly and X axle slip subassembly on the base, Y axle slip subassembly includes Y axle slider, Y axle slide rail, Y axle bed and Y axle drive arrangement, Y axle slider and Y axle slide rail cooperation set up, the bottom fixed connection of Y axle slider and workstation, Y axle slide rail is fixed to be set up on the Y axle bed, Y axle drive arrangement is connected with the workstation transmission, X axle slip subassembly includes X axle slider, X axle slide rail and X axle drive arrangement, X axle slider and X axle slide rail cooperation set up, X axle slider and Y axle bed fixed connection, X axle slide rail is fixed to be set up on the base, X axle drive arrangement is connected with Y axle bed transmission, thereby the workstation can follow X axle and the free slip of Y axle direction on the base.
Laser cutting machine in this application, set up in sleeve 4 through rotating axicon 5 around self axis, and adopt motor 6 to carry out the transmission and connect, motor 6 is connected with central controller electricity, thereby control motor 6 through central controller, make motor 6 drive axicon 5 rotate around self axis, thereby make the direction change of the crack that laser that penetrates to the tablet through axicon 5 formed on the tablet, can drive the direction of movement of tablet according to the workstation and correspond the direction that changes the crack, make the direction of crack and the direction coincidence of cutting route, thereby effectively reduce the crackle of the cutting plane of tablet, improve the quality of the cutting plane of tablet, how reduce or avoid the crackle of the cutting plane of tablet when carrying out circular or arc cutting to the tablet has been solved, improve the technical problem of the cutting plane quality of tablet.
As a further improvement, the motor 6 of the laser cutting machine tool provided by the embodiment of the application is in transmission connection with the axicon 5 through a synchronous belt, so that the transmission precision of the motor 6 and the axicon 5 is improved.
As a further improvement, the laser 1 of the laser cutting machine tool provided by the embodiment of the application is an ultraviolet femtosecond laser 1, the ultraviolet femtosecond laser 1 can emit ultraviolet femtosecond laser, and compared with infrared laser, the photon energy density of the ultraviolet femtosecond laser is higher than that of the infrared laser, so that a cutting part can be rapidly fused when the ultraviolet femtosecond laser is emitted to a material sheet, the cutting efficiency is improved, and meanwhile, surface fusion beads are effectively prevented; compared with the ultraviolet picosecond laser, the pulse width of the ultraviolet femtosecond laser is narrower than that of the ultraviolet picosecond laser, and the heat effect generated when the material sheet is cut is smaller.
As a further improvement, the laser cutting device provided by the embodiment of the present application further includes a light path correction component;
the optical path correction component is arranged between the laser 1 and the rotating shaft prism component 2;
the light path correction component comprises an X-direction reflecting galvanometer and a Y-direction reflecting galvanometer;
laser emitted by the laser 1 enters the axicon 5 after being reflected by the X-direction reflecting galvanometer and the Y-direction reflecting galvanometer in sequence.
Specifically, the X-direction reflecting vibrating mirror is used for adjusting the offset of the laser in the X direction when the laser is incident on the material sheet, and the Y-direction reflecting vibrating mirror is used for adjusting the offset of the laser in the Y direction when the laser is incident on the material sheet, so that the laser direction is prevented from being offset, and the accuracy of cutting the material sheet is prevented from being influenced.
As a further improvement, the X-direction reflecting galvanometer provided by the embodiment of the application is in transmission connection with the galvanometer motor 6, and the angle of the X-direction reflecting galvanometer is adjusted through the galvanometer motor 6.
As a further improvement, the Y-direction mirror is in transmission connection with the mirror motor 6, and the angle of the Y-direction mirror is adjusted by the mirror motor 6.
As a further improvement, the laser cutting machine provided by the application embodiment further comprises a beam expanding collimating mirror;
the beam expanding collimating lens is arranged between the optical path correction component and the rotating shaft prism 5;
the laser reflected by the Y-direction reflecting galvanometer enters the axicon 5 after passing through the beam expanding collimating mirror, and the beam expanding collimating mirror is used for expanding the diameter of the laser, so that the subsequent focusing lens assembly 3 can better focus the laser.
As further improvement, the workbench of the laser cutting machine tool provided by the embodiment of the application is provided with the material sheet positioning cylinder, and the material sheet positioning cylinder is used for positioning the material sheet and ensuring the cutting precision of the material sheet.
As a further improvement, a material sheet fixing device is arranged on the workbench of the laser cutting machine tool provided by the embodiment of the application and used for fixing the material sheet.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A laser cutting machine, comprising: the device comprises a laser, a rotating shaft prism assembly, a focusing lens assembly, a base, a supporting seat and a workbench;
the supporting seat is fixedly arranged on the base;
the laser and the rotating shaft prism assembly are arranged on the supporting seat;
the rotating shaft prism assembly comprises a sleeve, a shaft prism, a motor and a central controller, the shaft prism is rotatably arranged in the sleeve around the axis of the shaft prism, the motor is in transmission connection with the shaft prism, the central controller is electrically connected with the motor, and laser emitted by the laser is emitted into the shaft prism;
the focusing lens assembly is correspondingly arranged at the light-emitting position of the axial prism, and the laser emitted into the axial prism passes through the axial prism and is emitted into the focusing lens assembly;
the workbench is arranged above the base and located below the light outlet of the focusing lens assembly, the workbench can slide along the Y-axis direction and the Z-axis direction, a material sheet is loaded on the workbench, and laser of the focusing lens assembly penetrates through the focusing lens assembly to be injected onto the material sheet.
2. The laser cutting machine of claim 1, wherein the motor is drivingly connected to the axicon by a timing belt.
3. The laser cutting machine according to claim 1, further comprising an optical path correction component;
the optical path correction component is arranged between the laser and the rotating shaft prism component;
the optical path correction component comprises an X-direction reflecting galvanometer and a Y-direction reflecting galvanometer;
and laser emitted by the laser enters the axicon after being reflected by the X-direction reflecting vibrating mirror and the Y-direction reflecting vibrating mirror in sequence.
4. The laser cutting machine according to claim 3, wherein the X-direction reflecting galvanometer is in transmission connection with a galvanometer motor.
5. The laser cutting machine according to claim 3, wherein the Y-direction reflecting galvanometer is in transmission connection with a galvanometer motor.
6. The laser cutting machine of claim 3, further comprising a beam expanding collimator lens;
the beam expanding collimating lens is arranged between the optical path correcting component and the rotating shaft prism;
and the laser reflected by the Y-direction reflecting galvanometer enters the axicon after passing through the beam expanding collimating mirror.
7. The laser cutting machine according to claim 1, wherein a material sheet positioning cylinder is provided on the table.
8. The laser cutting machine according to claim 1, wherein a web fixing device is provided on the table.
9. The laser cutting machine of claim 1, wherein the motor is a stepper motor.
10. The laser cutting machine of claim 1, wherein the laser is an ultraviolet femtosecond laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440949.4U CN211248827U (en) | 2019-12-30 | 2019-12-30 | Laser cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440949.4U CN211248827U (en) | 2019-12-30 | 2019-12-30 | Laser cutting machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211248827U true CN211248827U (en) | 2020-08-14 |
Family
ID=71989251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922440949.4U Active CN211248827U (en) | 2019-12-30 | 2019-12-30 | Laser cutting machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211248827U (en) |
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2019
- 2019-12-30 CN CN201922440949.4U patent/CN211248827U/en active Active
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