TWI734947B - Multifunctional and fast portable laser marking positioning device - Google Patents

Abstract

A multifunctional and fast portable laser marking positioning device, which includes a laser source, a light guide module, a red light guide system, a galvanometer scanning system, and a scanning focusing mirror. The laser marking module of the light path; and a four-quadrant turntable positioning mechanism component with a four-quadrant turntable fixing seat, which is fixed under the above-mentioned light path. Thereby, the portable laser marking positioning device of the present invention can be used to fix and clamp various types of test pieces to be marked, including parabolic, elliptical, circular, and obtuse/acute-angled test pieces, so that Various types of specimens can be fully clamped without additional auxiliary clamps, and the adjustable XYZBC axis micro-feed positioning platform is used to complete the positioning during the alignment of the specimen to be processed with the optical axis/focal length. XYZBC five-axis adjustment of the optical axis and its deflection position can be used for laser marking processing for large-area and multi-pattern specimens, so as to meet the needs of different shapes of biomedical, optoelectronic, electronic and food industry products. Sustained to achieve the effect of effectively reducing the cost of fixture development.

Description

Multifunctional and fast portable laser marking positioning device

The present invention relates to a multifunctional and fast portable laser marking positioning device, in particular, it relates to a kind of test pieces that can be fixed and clamped for various types of markings, so that it does not need to use additional auxiliary clamps and fixtures. Various types of test pieces can be completely clamped, especially for large area and multi-style test pieces, which can be used for laser marking processing, so as to meet the needs of different shapes of biomedical, optoelectronics, electronics and food industries. The product shape is clamped to achieve the effect of effectively reducing the development cost of fixtures.

Generally, positioning devices for laser marking use flat suction or flat clamping to fix the test piece. Although the flat suction type and flat clamp type positioning devices can clamp and fix the test piece, they still have the following shortcomings in practical applications: 1. For parabolic, elliptical, circular, and obtuse/acute angle test pieces, the flat suction positioning device will not be able to completely fasten the test piece. 2. Using a flat clamping device, it will not be possible to clamp the specimens with parabolic, elliptical, circular and obtuse/acute angles, and auxiliary fixtures are required to complete. For different shapes of biomedical, optoelectronic, electronic and food industry products, it requires a higher cost of fixture development. In view of the specimens with elliptical appearance, parabolic, circular, obtuse and acute angle structures, the traditional planar suction and planar clamping positioning mechanism will not fully meet the demand, especially for the above-mentioned external component positioning and clamping device. Therefore, general users cannot meet the needs of users in actual use.

The main purpose of the present invention is to overcome the above-mentioned problems encountered by the prior art and provide a kind of test pieces that can be fixed and clamped for various types of marks, including parabolic, elliptical, circular, and obtuse/acute angle structures. It makes it possible to clamp various types of specimens completely without additional auxiliary clamps, and use the adjustable XYZBC axis micro-feed positioning platform in the alignment of the specimen to be processed with the optical axis/focal length Complete positioning, adjust the optical axis and its deflection position with XYZBC five-axis, and can perform laser marking processing for large area and multi-pattern specimens , So as to meet the requirements of different shapes of biomedical, optoelectronics, electronics and food industry products, which can effectively reduce the development cost of the portable laser marking positioning device. To achieve the above objectives, the present invention is a multifunctional and fast portable laser marking positioning device, which includes: a laser marking module with a laser source and a light guide module , A red light guide system, a galvanometer scanning system, and a scanning focusing lens composed of the optical path, wherein the laser source provides a laser beam, the red light guide system provides a red light guide beam , The light guide module is arranged on the transmission path of the laser beam and the red light guide beam, and the laser beam and the red light guide beam are transferred to the galvanometer scanning system and pass through the scanning The focusing lens adjusts the focal length of the beam to illuminate a scanning field; and a four-quadrant turntable positioning mechanism component is fixed below the above-mentioned optical path. It has a four-quadrant turntable fixing seat, which can hold various types of marks to be marked. For the test piece, the four-quadrant turntable positioning mechanism component is located under the light path of the laser marking module, and an array hole platform is used for fixing, and the four-quadrant turntable positioning mechanism component can be adjusted according to the scanning field range The fixed position of the four-quadrant turntable, and two axial swing fine-tuning devices (Tilt/decenter) are set on the four-quadrant turntable fixing seat for fine-tuning, and the positioning mechanism components of the four-quadrant turntable and the laser marking module In the optical axis, the test piece to be marked and the confirmation of the position of the optical axis adopt the XYZBC five-axis adjustment of the optical axis and its deflection position. In the above-mentioned embodiment of the present invention, the four-quadrant turntable positioning mechanism component adopts the four-quadrant turntable fixing seat to place an ellipse, parabola, circle, free-form surface, V-shaped pillow or square vise fixture, which can be fixed Clamp various test pieces to be marked, and fix the position of the fixture with several positioning pins. In the above-mentioned embodiment of the present invention, the four-quadrant turntable positioning mechanism component adopts the four-quadrant turntable fixing seat to open an annular array of holes on the side to fix the test piece, so as to complete the surface marking of different axial positions. In the above-mentioned embodiment of the present invention, the four-quadrant turntable fixing seat is attached to the side ring-shaped array hole to fix the test piece in a vacuum adsorption type or a general mechanism locking type. In the above-mentioned embodiment of the present invention, the rotation positioning of the four-quadrant turntable holder adopts a fully automatic mode and direct computer-controlled rotation to complete the rapid positioning action. In the above-mentioned embodiment of the present invention, the rotation positioning of the four-quadrant turntable fixing seat is performed in a semi-automatic mode by partial manual operation to complete the rapid positioning action. In the above embodiment of the present invention, the laser marking module and the four-quadrant turntable positioning mechanism components below are composed of a linkage mechanism. When not in use, the upper and lower layers can be compressed to save the portable mine. The space and weight of the marking positioning device. In the above-mentioned embodiment of the present invention, the light guide module includes a beam splitter and a reflector. The laser beam from the laser light source and the red light guide beam from the red light guide system sequentially pass through The beam splitter and the reflecting mirror are transmitted to the galvanometer scanning system. The galvanometer scanning system adjusts the focal length of the beam through the scanning focusing lens, and then guides the laser beam and the red light guide beam to the Above the scanning field range on one surface of the array hole platform. In the above-mentioned embodiment of the present invention, the combination of the laser marking module and the four-quadrant turntable positioning mechanism components below can be used for large-scale and multi-pattern laser marking, which is suitable for biomedicine. , Specimen processing in related fields of optoelectronics, electronics and food industry. In the above-mentioned embodiment of the present invention, a host computer is further included, which is electrically connected to the laser source and the galvanometer scanning system for outputting laser control signals and galvanometer control signals to control the laser source Acting with the galvanometer scanning system.

Please refer to "Figures 1-7", which are the schematic diagrams of the portable laser marking positioning device according to the first embodiment of the present invention, and the three-dimensional components of the four-quadrant turntable positioning mechanism according to the first embodiment of the present invention. Schematic diagram, partial AA cross-sectional schematic diagram of the components of the four-quadrant turntable positioning mechanism of the first embodiment of the present invention, schematic diagram of the portable laser marking positioning device of the second embodiment of the present invention, and four-quadrant turntable of the second embodiment of the present invention The three-dimensional schematic diagram of the components of the positioning mechanism, the partial BB section of the components of the four-quadrant turntable positioning mechanism of the second embodiment of the present invention The schematic diagram and the schematic diagram of the timing control of the laser source and the galvanometer scanning system of the present invention using the main control computer. As shown in the figure: the present invention is a multifunctional and fast portable laser marking positioning device, which includes a laser marking module 1 and a four-quadrant turntable positioning mechanism component 2. The portable laser marking positioning device of the present invention integrates the optical/optical components in the portable laser marking system, the laser marking module 1 and the four-quadrant turntable positioning mechanism component 2 Integrate in one. The laser marking module 1 mentioned above, as shown in Figures 1 and 4 (a), is composed of a laser source 11, a light guide module 12, a red light guide system 13, and a galvanometer The scanning system 14 and a scanning focusing mirror 15 constitute the optical path, wherein the laser source 11 provides a laser beam 111, the red light guiding system 13 provides a red light guiding beam 131, and the light guiding mode The group 12 is arranged on the transmission path of the laser beam 111 and the red light guide beam 131, and the laser beam 111 and the red light guide beam 131 are transmitted to the galvanometer scanning system 14 and passed through the scanning system. The focusing lens 15 adjusts the focal length of the beam to illuminate a scanning field range 16. Among them, the laser marking module 1 further includes a main control computer 17, which is electrically connected to the laser source 11 and the galvanometer scanning system 14 for outputting laser control signals and galvanometer control signals, Control the actions of the laser source 11 and the galvanometer scanning system 14, adjust the time of the laser beam 111 generated by the laser source 11, and adjust the rotation angle of the galvanometer scanning system 14, as shown in Figure 7 Show. The four-quadrant turntable positioning mechanism component 2 is fixed below the above-mentioned light path. It has a four-quadrant turntable fixing seat 21, which can fix and clamp various types of test pieces to be marked. The four-quadrant turntable positioning mechanism component 2 series An array hole platform 22 is used for fixing under the light path of the laser marking module 1, and the fixed position of the four-quadrant turntable positioning mechanism component 2 can be adjusted according to the scanning field range 16, and in the four-quadrant Two axial swing fine-tuning devices (Tilt/decenter) 23 are set on each turntable holder 21 for fine-tuning, and in the optical axis of the four-quadrant turntable positioning mechanism component 2 and the laser marking module 1, it is desired to The confirmation of the marked specimen and the position of the optical axis adopts the XYZBC five-axis adjustment of the optical axis and its yaw position. The light guiding module 12 includes a beam splitter 121 and a reflecting mirror 122. The laser beam 111 from the laser light source 11 and the red light guiding beam 131 from the red light guiding system 13 sequentially pass through the The beam splitter 121 and the mirror 122 are transferred to the galvanometer scanning system 14. The galvanometer scanning system 14 adjusts the focal length of the beam through the scanning focusing mirror 15, and then guides the laser beam 111 and the red light guide The pilot beam 131 is directed to the upper part of the scanning field 16 on a surface of the array hole platform 22. The above-mentioned four-quadrant turntable positioning mechanism component 2 is shown in Figures 1-3. The four-quadrant turntable fixing seat 21 can be used to place elliptical, parabolic, circular, free-form surfaces, V-shaped pillows or square vise fixtures. 24. It can fix and clamp various test pieces to be marked, and use the positioning pins 25 as preliminary positioning to fix the position of the jig 24. The first picture (b) shows the four-quadrant turntable fixing seat. The side view direction of 21. Figure 1(c) shows the front view direction of the four-quadrant turntable holder 21. The alignment between the specimen and the optical axis is accomplished by an adjustable XYZBC axis micro-feed positioning platform. The above-mentioned four-quadrant turntable positioning mechanism component 2 is shown in Figures 4-6. The four-quadrant turntable fixing seat 21 is used to open an annular array of holes 26 on the side to fix the test piece, so as to complete the surface marking of different axial positions. And the four-quadrant turntable holder 21 is attached to the side ring-shaped array hole 26. The specimen is fixed by vacuum adsorption or general mechanism locking. Figure 4(b) shows the four-quadrant turntable holder 21 The side view direction, Figure 4(c) shows the front view direction of the four-quadrant turntable holder 21. The rotation and positioning of the four-quadrant turntable holder 21 described above is either in full automatic mode with direct computer control, or in semi-automatic mode with partial human operation to complete the rapid positioning action. The laser marking module 1 and the four-quadrant turntable positioning mechanism component 2 below are composed of a linkage mechanism 27. When not in use, the upper and lower layers can be compressed to save the portable laser marking positioning device Space and weight. The combination of the above-mentioned laser marking module 1 and the four-quadrant turntable positioning mechanism component 2 below can be used for large-scale and multi-style laser marking, and is suitable for applications in biomedicine, optoelectronics, electronics and food industries and other related fields. . The present invention also proposes a test piece positioning processing method used in biomedicine, optoelectronics, electronics and food industry and other related fields. For two test piece positioning methods such as plane marking and side marking, the operation steps are as follows: In the plane marking embodiment, as shown in Figure 1, the four-quadrant turntable positioning mechanism component 2 adopts the four-quadrant turntable fixing seat 21, which can be placed on elliptical, parabolic, circular, free-form surfaces, V-shaped pillows or squares. The vise jig 24 can fix and clamp all kinds of test pieces to be marked. The operation steps include the following: (a1) Select and mark the four-quadrant turntable holder 21 of the shape of the test piece (not shown in the figure) and use the positioning pin 25 to determine the position of the jig 24; (b1) Use automatic or Semi-automatic positioning; (c1) Use the guided laser beam 111 to determine whether the position of the test piece is consistent with the optical axis of the mark, and adjust it with the adjustable XYZBC axis micro-feed positioning platform; and (d1) After confirming the correct position, contact the upper laser The marking module 1 is integrated for marking. In the side marking embodiment, as shown in Figure 4, the four-quadrant turntable positioning mechanism component 2 adopts the four-quadrant turntable fixing seat 21 to open an annular array of holes 26 on the side to fix the test piece to complete different axial directions. Surface marking. The operation steps include the following: (a2) Place the test piece 3 to be marked into the ring array hole 26, and fix the test piece by vacuum adsorption positioning piece 261 or general mechanical locking; (b2) The ring array hole 26 is used Automatic or semi-automatic rotation positioning; (c2) to guide the laser beam 111 to determine the optical axis of the specimen and the marking Whether the position is consistent, adjust it with the adjustable XYZBC axis micro-feed positioning platform; and (d2) After confirming the correct position, it is integrated with the upper laser marking module 1 for marking. The present invention can adopt the above-mentioned two test piece positioning methods, and cooperate with the laser marking module 1 to complete the marking process of the plane of the test piece and the side of the test piece. The present invention can adopt the above-mentioned two rotating positioning methods of the test piece, and the five-axis XYZBC can be used to adjust the optical axis and its deflection position in the confirmation of the position of the optical axis. The positioning method of the present invention on the side marking can adopt a mechanical locking method and a vacuum adsorption method to fix the test piece. The portable laser marking positioning device of the present invention, the lower four-quadrant turntable positioning mechanism component 2 adopts an array type positioning hole (ie array hole platform 22) device, which can be matched with the upper laser marking module 1 to achieve a large area At the same time, the specimen is marked and processed. The portable laser marking positioning device of the present invention. The upper laser marking module 1 and the four-quadrant turntable positioning mechanism component 2 below are composed of a linkage mechanism. When not in use, the upper and lower layers can be compressed to Save the space and weight of the portable laser marking positioning device. In summary, the present invention is a multi-functional and fast portable laser marking positioning device, which can effectively improve the various shortcomings of conventional use, and can be used to fix and clamp various types of test pieces to be marked, including parabolic, Oval, round, and obtuse/acute-angled test pieces, so that all types of test pieces can be completely clamped without additional auxiliary clamps, and the test piece to be processed and the optical axis/focal length can be completely clamped. In the alignment, the adjustable XYZBC axis micro-feed positioning platform is used to complete the positioning, and the XYZBC five-axis adjustment of the optical axis and its deflection position can be used for laser marking processing for large-area and multi-pattern specimens, which can meet the requirements of Different shapes of biomedical, optoelectronic, electronic and food industry products are clamped to achieve the effect of effectively reducing the development cost of fixtures, so that the production of the present invention can be more advanced, more practical, and more in line with the needs of users. It has indeed met the requirements of an invention patent application, and Yan filed a patent application in accordance with the law. However, the above are only the preferred embodiments of the present invention, and should not be used to limit the present invention. The scope of implementation is clearly stated; therefore, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the description of the invention shall still fall within the scope of the patent of the present invention.

1: Laser marking module 11: Laser source １１１: Laser beam 12: Light guide module 121: Spectroscope 122: Mirror 13: Red light guiding system 131: Red light guide beam 14: Galvo Scanning System 15: Scanning focusing lens 16: Scanning field range 17: Master computer 2: Four-quadrant turntable positioning mechanism components 21: Four-quadrant turntable holder 22: Array hole platform 23: Swing fine-tuning device 24: Fixture 25: Locating pin 26: Annular array of holes 261: Vacuum suction positioning parts 27: Linkage mechanism

Figure 1 is a schematic diagram of a portable laser marking positioning device according to the first embodiment of the present invention. Figure 2 is a three-dimensional view of the components of the four-quadrant turntable positioning mechanism of the first embodiment of the present invention intention. Figure 3 is a partial view of the four-quadrant turntable positioning mechanism components of the first embodiment of the present invention Schematic diagram of section A-A. Figure 4 is a schematic diagram of a portable laser marking positioning device according to the second embodiment of the present invention. Figure 5 is a three-dimensional view of the components of the four-quadrant turntable positioning mechanism of the second embodiment of the present invention intention. Figure 6 is a partial B-B cross-sectional schematic diagram of the components of the four-quadrant turntable positioning mechanism of the second embodiment of the present invention. Figure 7 shows the timing control of the laser source and galvanometer scanning system in the present invention using the master computer. 制Schematic diagram.

1: Laser marking module

11: Laser source

111: Laser beam

12: Light guide module

121: Spectroscope

122: mirror

13: Red light guiding system

131: Red light guide beam

14: Galvanometer scanning system

15: Scan focusing lens

16: Scanning field range

17: Master computer

2: Four-quadrant turntable positioning mechanism components

21: Four-quadrant turntable mount

22: Array hole platform

23: Swing fine-tuning device

24: Fixture

25: positioning pin

27: Linkage mechanism

Claims (10)

A multifunctional and fast portable laser marking positioning device, including: A laser marking module is a light path composed of a laser source, a light guide module, a red light guide system, a galvanometer scanning system, and a scanning focusing lens. The laser The source provides a laser beam, the red light guiding system provides a red light guiding beam, the light guiding module is arranged on the transmission path of the laser beam and the red light guiding beam, and the laser The light beam and the red light guiding light beam are transmitted to the galvanometer scanning system and the focus of the light beam is adjusted by the scanning focusing lens to illuminate a scanning field range; and A four-quadrant turntable positioning mechanism component is fixed below the above-mentioned light path. It has a four-quadrant turntable fixing seat that can fix and clamp various types of test pieces to be marked. The four-quadrant turntable positioning mechanism components are attached to the An array hole platform is used for fixing under the light path of the laser marking module, and the fixed position of the four-quadrant turntable positioning mechanism components can be adjusted according to the scanning field range, and each set on the four-quadrant turntable fixing seat Two axial swing fine-tuning devices (Tilt/decenter) perform fine-tuning, and among the four-quadrant turntable positioning mechanism components and the optical axis of the laser marking module, the position of the specimen to be marked and the optical axis Confirm that the XYZBC five-axis adjustment of the optical axis and its yaw position is adopted. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application Printing positioning device, wherein the four-quadrant turntable positioning mechanism components are adopted. The four-quadrant turntable fixing seat can be used to place elliptical, parabolic, circular, free-form surfaces, V-shaped pillows or square vise fixtures, which can be fixed and clamped Various test pieces to be marked are fixed with several positioning pins to fix their fixture positions. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application Printing positioning device, wherein the four-quadrant turntable positioning mechanism components adopt the four-quadrant An annular array of holes is provided on the side of the turntable fixing seat to fix the test piece, so that the surface marking of different axial positions can be completed. Multi-functional and fast portable laser marker as described in item 3 of the scope of patent application The printing positioning device, wherein the four-quadrant turntable fixing seat is attached to the side ring-shaped array hole and adopts a vacuum adsorption type or a general mechanism locking type to fix the test piece. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application The printing positioning device, in which the rotation positioning of the four-quadrant turntable fixing seat adopts a fully automatic mode and direct computer control to rotate to complete the rapid positioning action. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application The printing positioning device, in which the rotation positioning of the four-quadrant turntable fixing seat adopts a semi-automatic mode and partial manual operation to complete the rapid positioning action. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application The printing positioning device, wherein the laser marking module and the four-quadrant turntable positioning mechanism components below are composed of a linkage mechanism. When not in use, the upper and lower layers can be compressed to save the portable laser marking Print positioning device space and weight. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application The printing positioning device, wherein the light guiding module includes a beam splitter and a reflecting mirror, the laser beam from the laser light source and the red light guiding beam from the red light guiding system pass through the beam splitter in sequence The mirror and the reflector are transmitted to the galvanometer scanning system, the galvanometer scanning system adjusts the focal length of the beam through the scanning focusing lens, and then guides the laser beam and the red light guide beam to the array hole Above the scanning field range on one surface of the platform. Multi-functional and fast portable laser marker as described in item 1 of the scope of patent application Printing positioning device, wherein the laser marking module is positioned with the four-quadrant turntable below The combination of mechanical components can be used for large-scale and multi-style laser marking, and is suitable for sample processing in related fields of biomedicine, optoelectronics, electronics and food industries. Multi-purpose and fast portable laser described in item 1 of the scope of patent application The marking positioning device further includes a main control computer which is electrically connected to the laser source and the galvanometer scanning system to output laser control signals and galvanometer control signals to control the laser source and the galvanometer scanning system. The operation of the mirror scanning system.

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