Miniaturized laser device

Abstract

The utility model discloses a miniaturized laser device, which comprises a case, a laser head, a galvanometer mechanism, a field lens, an angle lens fixing box and a field lens fixing box, the angle mirror fixing box is arranged at the lower part of the case, an inner corner mirror is arranged on the inclined surface of the angle mirror mounting block, the angle mirror fixing box is provided with a lower light hole and an angle mirror mounting hole, and the angle mirror mounting block is inserted and matched with the angle mirror mounting hole; the field lens fixing box is arranged at the top of the angle lens fixing box, a galvanometer mounting hole and an upper light hole are formed in the field lens fixing box, the galvanometer mechanism is inserted into the galvanometer mounting hole in a matched mode, the upper light hole and a lower light hole are connected in series to form a vertical light path channel, the angle lens is located at the bottom end of the vertical light path channel, and the galvanometer mechanism is located at the top end of the vertical light path channel; according to the laser device, the light-emitting branch and the laser processing branch are arranged in parallel in a staggered mode and are connected in a reflex mode through the corner mirror, all optical components are fully and compactly arranged, and miniaturization design of the device is facilitated; wherein the corner mirror, the galvanometer mechanism and the field lens are respectively designed in a modular box mode, and installation adjustment, optical path debugging and precision control are easy to carry out.

Description

Technical Field

[0001] The utility model relates to the technical field of laser equipment, in particular to a miniaturized laser device. Background Art

[0002] Laser processing and laser marking are essential steps in the product production process. With the continuous development of automated processing, in order to realize automatic sequence conversion and processing integration, it is usually necessary to integrate laser devices into large processing centers to achieve automated assembly line processing. The laser devices in the existing technology usually have large structural dimensions, occupy a large space, and are not easy to integrate and assemble. In addition, most of the laser devices in the existing technology are fully encapsulated structures. After integrated assembly, it is not easy to replace important optical components according to processing requirements, and the overall disassembly and assembly of the device is difficult, and the assembly accuracy is not easy to guarantee. Utility Model Content

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a miniaturized laser device to solve one or more problems raised in the above background technology.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0005] A miniaturized laser device includes a chassis, a laser head, a galvanometer mechanism, a field lens, a corner lens fixing box, and a field lens fixing box; a power module and a control board are arranged in the upper and lower parts of the chassis, and a laser head is detachably mounted horizontally at the bottom of the chassis; wherein,

[0006] The corner mirror fixing box is detachably mounted on the lower front portion of the chassis, and a corner mirror is provided inside the box for deflecting the laser light from the laser head into the vertical optical path. The vertical optical path is formed by the interior of the corner mirror fixing box and the field mirror fixing box. The corner mirror is mounted on the inclined surface at the top of the corner mirror mounting block and is directly opposite to the light outlet of the laser head. The lower light hole and the corner mirror mounting hole are vertically penetrated through the corner mirror fixing box in sequence, and the corner mirror mounting block is plugged into the corner mirror mounting hole.

[0007] The field mirror fixing box is installed on the top of the corner mirror fixing box, the field mirror is located on the front of the field mirror fixing box, the field mirror fixing box is vertically penetrated with a galvanometer mounting hole and an upper light hole in sequence, the galvanometer mechanism is inserted into the galvanometer mounting hole, the upper light hole and the lower light hole are connected in series to form a vertical light path channel, the corner mirror is located at the bottom of the vertical light path channel, and the galvanometer mechanism is located at the top of the vertical light path channel.

[0008] Furthermore, a laser axis socket is provided in the corner mirror fixing box, the laser axis socket and the corner mirror mounting hole are perpendicular to each other, the laser axis socket is connected to the corner mirror mounting hole, and one end of the laser head is inserted and set in the laser axis socket.

[0009] Further, the bottom of the case is provided with a light head sleeve for tightly fixing the laser light head, and the center line of the light head sleeve is collinear with the center axis of the laser axis insertion hole.

[0010] Further, the corner mirror mounting block is a stepped shaft structure, which comprises a clamping end and a matching shaft segment, and the corner mirror mounting hole is a stepped hole, and an adjusting gasket is arranged between the clamping end and the stepped hole, and the matching shaft segment is a structure capable of being identified in azimuth.

[0011] Further, the two sides of the corner mirror fixing box are respectively concave to form operation grooves, and mounting screw holes are vertically and through arranged on the top of the operation grooves, and are used for mounting the field mirror fixing box.

[0012] Further, the two sides of the corner mirror fixing box are respectively concave to form operation grooves, and mounting screw holes are vertically and through arranged on the top of the operation grooves, and are used for mounting the field mirror fixing box.

[0013] Further, the two sides of the corner mirror fixing box are respectively concave to form operation grooves, and mounting screw holes are vertically and through arranged on the top of the operation grooves, and are used for mounting the field mirror fixing box.

[0014] Compared with the prior art, the miniaturized laser device has the following beneficial effects:

[0015] The laser device arranges the light emitting branch and the laser processing branch in the upper and lower positions of the case in a staggered and parallel manner, utilizes the corner mirror to perform folding and connection, fully utilizes the compact structure of the case to arrange the optical components, is beneficial to the miniaturized design of the device as a whole, the corner mirror, the galvanometer mechanism and the field mirror are designed in a module box type, are respectively mounted on the front face of the case through the corner mirror fixing box and the field mirror fixing box, and the optical path is constructed outside the case, so that installation adjustment and optical path debugging are easy to perform, and precision control is easy to perform in processing and assembly, in addition, the corner mirror and the galvanometer mechanism can be quickly inserted and mounted, and are convenient for replacement and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structural schematic view of the front axial side of the laser device of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the laser device of the utility model;

[0018] Figure 3 It is a sectional structure perspective view of the laser device of the utility model;

[0019] Figure 4 It is a perspective structural schematic view of the rear axial side of the laser device of the utility model;

[0020] Figure 5 It is an axial bottom perspective structural schematic view of the laser device of the utility model.

[0021] In the figure: 1. Chassis; 11. Snap-fit ​​side panel; 12. Laser head hoop; 13. Interface hole; 2. Corner mirror fixing box; 21. Operation slot; 22. Laser axis jack; 23. Lower light hole; 24. Corner mirror mounting hole; 25. Anti-slip groove; 3. Field mirror fixing box; 31. Upper light hole; 4. Laser head; 5. Corner mirror mounting block; 51. Corner mirror; 6. Field mirror; 7. Galvanometer mechanism; 8. Power module; 9. Control board. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only the best embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] This embodiment provides a miniaturized laser device, such as Figures 1-5 As shown, the chassis 1 is compactly arranged and integrated with a laser head 4, a control board 9 and a power module 8. The control board 9 is a pluggable fixed structure and is arranged in the middle of the chassis 1. The power module 8 is long and horizontally arranged at the top of the chassis 1. The laser head 4 is installed horizontally at the bottom of the chassis 1.

[0024] like Figures 2-3 As shown, the optical path is in a "Z" shape and is constructed by a modular box body installed on the front of the chassis 1. The corner mirror is installed in the corner mirror fixing box 2. The galvanometer mechanism 7 and the field lens 6 are integrated on the field lens fixing box 3. The corner mirror fixing box 2 is detachably installed on the lower part of the front of the chassis 1. The field lens fixing box 3 is assembled on the top of the corner mirror fixing box 2 and together with the corner mirror fixing box 2, a vertical optical path channel is constructed. The vertical optical path channel is perpendicular to the laser head 4. The corner mirror 51 is located at the bottom end of the vertical optical path channel. The galvanometer of the galvanometer mechanism 7 is located at the top end of the vertical optical path channel. The corner mirror 51 folds the light-emitting branch of the laser head 4 into a vertical optical branch in the vertical optical path channel. The laser processing branch with a prefabricated trajectory is formed through the polarization movement and folding of the galvanometer mechanism 7 at the top end of the vertical optical branch, and is amplified and emitted by the field lens 6.

[0025] Refer again Figures 2-3Wherein, the vertical light path channel is formed by the upper light hole 31 and the lower light hole 23 in series, and the center axes of the two are collinear, the lower light hole 23 is opened on the corner mirror fixing box 2, at the same time, the corner mirror fixing box 2 is provided with a corner mirror mounting hole 24 which is through to the lower light hole 23 at the bottom, the center axis of the lower light hole 23 is collinear with the center line of the corner mirror mounting hole 24, the laser shaft insertion hole 22 is communicated with the corner mirror mounting hole 24, the corner mirror mounting hole 24 is along the vertical direction, the corner mirror mounting block 5 is inserted and matched with the corner mirror mounting hole 24, the top of the corner mirror mounting block 5 is a bevel, and the bevel is provided with an embedded groove of the corner mirror 51, in order to ensure that the vertical light branch is vertically injected into the polarization center of the galvanometer mechanism 7, one is to ensure the angle precision between the corner mirror 51 and the horizontal light branch, and the other is to ensure the installation position of the corner mirror 51, the two aspects are realized by controlling the position precision of the corner mirror mounting hole 24, the machining precision of the corner mirror mounting block 5 and the matching precision of the two, the corner mirror mounting hole 24 can be a stepped hole structure, and the corresponding corner mirror mounting block 5 is a stepped shaft, and the matching shaft section of the corner mirror mounting block 5 can be a square shaft, or a cylindrical shaft structure with a positioning structure or a direction mark, which is matched with the corner mirror mounting hole 24, so as to identify and control the installation direction of the corner mirror 51 on the corner mirror mounting block 5, the positioning structure can be a convex rib or a vertical flat positioning surface, etc., the direction of the corner mirror 51 is quickly positioned during insertion, and the position of the vertical light branch is fine adjusted through the adjusting gasket between the stepped hole and the stepped end;

[0026] Referring again to Figures 2-3 , in order to reduce the loss of laser energy and improve the propagation precision of the laser light path, the laser shaft insertion hole 22 is opened in the corner mirror fixing box 2, and the light outlet end of the laser head 4 is inserted and assembled in the laser shaft insertion hole 22, and in the machining, the levelness of the laser shaft insertion hole 22 and the relative perpendicularity thereof to the corner mirror mounting hole 24 should also be controlled, so as to ensure the angle precision between the horizontal light path of the laser head 4 and the corner mirror 51 after assembly; after the position of the laser head 4 is positioned and the corner mirror fixing box 2 is installed, the shaft body of the laser head 4 is clamped and fixed by using the head hoop 12 provided at the bottom of the case 1, and during installation, the symmetric center line of the head hoop 12 should be aligned with the center axis of the laser shaft insertion hole 22 before the connection and fixing operation is performed;

[0027] The upper light hole 31 is opened on the field lens fixing box 3, and similarly, the field lens fixing box 3 is provided with a galvanometer mounting hole which is through to the upper light hole 31 at the top, the center axis of the upper light hole 31 is collinear with the center line of the galvanometer mounting hole, the galvanometer mechanism 7 is an integrated detachable module with the base, and is inserted and matched with the galvanometer mounting hole, and after installation, the verticality of the galvanometer mechanism 7 should be ensured; the polarization center of the vertical light branch is coincided with the galvanometer mechanism 7 by adjusting the position of the field lens fixing box 3 on the corner mirror fixing box 2 and the thickness of the adjusting gasket on the corner mirror mounting block 5.

[0028] The laser device is easy to be modularized and disassembled, and the key parts are easy to be overhauled, wherein, for example Figure 1、 Figures 4-5 As shown in the drawings, in order to facilitate disassembly and assembly of the corner mirror fixing box 2, a plurality of anti-skid grooves 25 are arranged on both sides of the corner mirror fixing box 2, and meanwhile, the upper space area of both sides of the corner mirror fixing box 2 is concave to form an operation groove 21, and a mounting screw hole is vertically and through provided on the top of the operation groove 21, and the operation groove 21 can be used as an operation space for mounting the field mirror fixing box 3;

[0029] In addition, the side plate of the cabinet 1 is a buckling side plate 11, the buckling side plate 11 can be buckled and connected to the cabinet body of the cabinet 1, so as to facilitate quick disassembly and assembly of the internal structure, and a plurality of interface holes 13 are arranged on the back of the cabinet 1, which are used as power supply interfaces, display interfaces, mouse interfaces, laser trigger interfaces and the like.

[0030] The orientation words such as "upper", "lower", "outer", "end", "side" and the like mentioned in the present text are described in the direction and orientation shown in the corresponding drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation; Figures 1-5

[0031] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms may also be used to indicate other meanings, for example, the term "upper" may also be used to indicate a certain dependent relationship or connection relationship in some cases. For ordinary skilled persons in the art, the specific meaning of these terms in the utility model can be understood according to the specific situation;

[0032] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.​

Claims

1. A miniaturized laser device, comprising a chassis, a laser head, a galvanometer mechanism, and a field lens, characterized in that: It also includes a corner mirror fixing box and a field mirror fixing box; the power supply module and the control board are arranged in the upper and lower parts of the chassis, and the laser head is detachably mounted horizontally at the bottom of the chassis; wherein, The corner mirror fixing box is detachably mounted on the lower front portion of the chassis, and a corner mirror is provided therein for deflecting the laser light of the laser head into a vertical optical path channel. The vertical optical path channel is formed by the interior of the corner mirror fixing box and the field mirror fixing box. The corner mirror is mounted on the inclined surface at the top of the corner mirror mounting block and is directly opposite to the light outlet of the laser head. A lower light hole and a corner mirror mounting hole are vertically penetrated through the corner mirror fixing box in sequence, and the corner mirror mounting block is plugged into the corner mirror mounting hole. The field mirror fixing box is installed on the top of the corner mirror fixing box, the field mirror is located on the front of the field mirror fixing box, the field mirror fixing box is vertically penetrated with a galvanometer mounting hole and an upper light hole in sequence, the galvanometer mechanism is inserted into the galvanometer mounting hole, the upper light hole and the lower light hole are connected in series to form the vertical light path channel, the corner mirror is located at the bottom end of the vertical light path channel, and the galvanometer mechanism is located at the top end of the vertical light path channel.

2. The miniaturized laser device according to claim 1, wherein: A laser axis socket is provided in the corner mirror fixing box. The laser axis socket is perpendicular to the corner mirror mounting hole. The laser axis socket is connected to the corner mirror mounting hole. One end of the laser head is inserted and set in the laser axis socket.

3. The miniaturized laser device according to claim 2, wherein: A head hoop is provided at the bottom of the chassis for clamping and fixing the laser head, and the symmetry center line of the head hoop is collinear with the central axis of the laser axis socket.

4. The miniaturized laser device according to claim 1, wherein: The corner mirror mounting block is a stepped shaft structure, which includes a clamping end and a mating shaft section. The corner mirror mounting hole is correspondingly a stepped hole. An adjustment gasket is provided between the clamping end and the stepped hole. The mating shaft section is a structure that can perform orientation identification.

5. The miniaturized laser device according to claim 1, wherein: Both sides of the corner mirror fixing box are respectively concave to form operating grooves, and the top of the operating groove is vertically penetrated to form a mounting screw hole for installing the field mirror fixing box.

6. The miniaturized laser device according to claim 1, wherein: A plurality of anti-slip grooves are provided on both sides of the corner mirror fixing box.

7. The miniaturized laser device according to claim 1, wherein: The side panels of the chassis are snap-fit ​​side panels, which can be snap-fitted and connected to the chassis.

Images