Light path switching device
By using the rotating mirror mount and reflector design of the optical path switching device, the multi-laser process application of the laser source is realized, which solves the problem of frequent optical path replacement in the existing technology and reduces hardware and time costs.
Patent Information
- Application Number
- CN202520233830.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In existing laser applications, a laser source typically carries only one optical path, which leads to frequent hardware replacements and optical path adjustments when exploring new laser processes, increasing costs and time.
An optical path switching device is adopted, which uses a combination of a rotating drive component and a reflector to achieve optical path switching by using a rotating mirror mount. The K-shaped structure of the rotating mirror mount and the 45° tilt angle design of the reflector enable optical path switching for multiple laser process applications.
It reduces the hardware and time costs of exploring new processes in laser technology applications, provides technical support for multiple laser technology applications, and avoids frequent replacement of optical paths and optical components.
Smart Images

Figure CN223815463U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser equipment technical field, concretely relates to a light path switching device. BACKGROUND
[0002] At present, in the laser application field, a laser light source usually only carries a light path to realize a laser application process, and when trying other laser application processes, a new light path and application platform usually need to be carried again, which consumes excessive hardware cost and time cost in exploring new laser process application. UTILITY MODEL CONTENT
[0003] The utility model aims at providing a light path switching device, which can at least solve some defects in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A light path switching device, comprising a rotary drive assembly, a rotary mirror seat and a mirror, the mirror is installed on the rotary mirror seat, one end of the rotary mirror seat is provided with a light transmission hole for the laser light source to pass through and be incident on the mirror, the other end of the rotary mirror seat is provided with a connecting flange, and the output shaft of the rotary drive assembly is connected with the connecting flange on the rotary mirror seat through a shaft coupling.
[0006] Further, the rotary mirror seat is a K-shaped structure, comprising a vertical section and an upper inclined surface section and a lower inclined surface section connected to the vertical section, the mirror is installed on the upper inclined surface section, and the light transmission hole is arranged on the lower inclined surface section.
[0007] Further, the inclined surface of the upper inclined surface section is perpendicular to the inclined surface of the lower inclined surface section, and the inclined angle of the inclined surface of the upper inclined surface section and the inclined angle of the inclined surface of the lower inclined surface section are both 45°.
[0008] Further, the center of the inclined surface of the upper inclined surface section is provided with a limiting groove for installing the mirror, and the mirror is detachably connected in the limiting groove.
[0009] Further, the rotary mirror seat is an integral molding structure.
[0010] Further, the rotary mirror seat is an integral molding structure.
[0011] Further, the rotary mirror seat is an integral molding structure.
[0012] Further, the rotating drive assembly comprises a servo motor and a motor base, the servo motor is installed on the motor base, the motor base is a hollow structure, and the output shaft of the servo motor and the shaft coupling are located in the motor base.
[0013] Further, the optical path switching device further comprises a sensing part for detecting the rotating motion position of the rotating mirror base.
[0014] Compared with the prior art, the optical path switching device has the following beneficial effects:
[0015] The optical path switching device provided by the utility model connects the output shaft of the rotating drive assembly and the rotating mirror base through the shaft coupling, drives the rotating mirror base to rotate by the rotating drive assembly, thereby controlling the reflection position of the reflected light of the reflecting mirror, realizes optical path switching, provides effective technical support for the experimental platform of one laser light source configuration to realize multi-laser process application, reduces the hardware cost and time cost of new process exploration in the laser process application, and does not need to frequently replace or adjust the subsequent optical path and optical devices.
[0016] The utility model will be further described in detail in combination with the drawings. DRAWINGS
[0017] Figure 1 is the structure schematic diagram of the optical path switching device of the utility model;
[0018] Figure 2 is the side view of the optical path switching device of the utility model;
[0019] Figure 3 is the structure schematic diagram of the rotating mirror base in the optical path switching device of the utility model.
[0020] Mark explanation: 1, servo motor;2, shaft coupling;3, motor base;4, connecting flange;5, rotating mirror base;6, reflecting mirror;7, light hole;8, rotating optical path base;9, inductive switch mounting seat;10, support flange;51, vertical section;52, upper inclined surface section;53, lower inclined surface section;54, limit pin hole;55, limit slot. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0022] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0023] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, can also be detachable connection, can also be abutting connection or integrally connected, and the specific meaning of the above terms in the utility model can be understood according to the specific circumstances for ordinary skilled persons in the art.
[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features; in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0025] As Figure 1 , Figure 2 and Figure 3As shown in the embodiment, the optical path switching device comprises a rotating driving assembly, a rotating mirror seat 5 and a mirror 6, the mirror 6 is installed on the rotating mirror seat 5, one end of the rotating mirror seat 5 is provided with a light passing hole 7 for the laser light source to pass through and be incident on the mirror 6, the other end of the rotating mirror seat 5 is provided with a connecting flange 4, and the output shaft of the rotating driving assembly is connected with the connecting flange 4 on the rotating mirror seat 5 through a shaft coupling 2. In the embodiment, the laser light source is irradiated on the mirror 6 from the bottom of the rotating mirror seat 5 through the light passing hole 7, and the mirror 6 reflects the light at a fixed angle; when other laser process applications need to be performed on the experimental platform configured by the same laser light source, the rotating mirror seat 5 is driven to rotate by the rotating driving assembly, the light passing hole 7 is coaxially arranged with the axis of the rotating mirror seat 5, so that the rotating mirror seat 5 is controlled to rotate around the axis to a designed position, the incident light path direction of the laser light source does not change, the light is incident on the mirror 6, and the position of the light reflected by the mirror 6 changes compared with the light output position in the previous laser process application, so that the optical path switching is realized; thus, by controlling the rotating mirror seat 5 to rotate at different angles, a plurality of different optical path switching can be realized, effective technical support is provided for the experimental platform configured by one laser light source to realize multiple laser process applications, and the hardware cost and time cost of new process exploration in the laser process application are reduced, and the subsequent optical path and optical devices do not need to be frequently replaced or adjusted multiple times.
[0026] As a specific embodiment, as shown in the embodiment, Figure 3 As shown in the embodiment, the rotating mirror seat 5 is in a K-shaped structure, comprising a vertical section 51 and an upper inclined section 52 and a lower inclined section 53 connected to the vertical section 51, wherein the upper inclined section 52 has an inclined surface extending upward from the vertical section 51, the lower inclined section 53 has an inclined surface extending downward from the vertical section 51, and the inclined surfaces of the upper inclined section 52 and the lower inclined section 53 intersect on the vertical section 51, the mirror 6 is installed on the upper inclined section 52, and the light passing hole 7 is formed in the lower inclined section 53. The laser light source is located below the lower inclined section 53 of the rotating mirror seat 5, the laser is irradiated on the mirror 6 located on the upper inclined section 52 through the light passing hole 7 on the lower inclined section 53, and the light is emitted after being reflected by the mirror 6, when the rotating mirror seat 5 rotates, the mirror 6 also deflects, so that the direction of the light reflected by the mirror 6 deviates, and the optical path switching is realized.
[0027] Preferably, the inclined surface of the upper inclined section 52 is perpendicular to the inclined surface of the lower inclined section 53, and the inclination angle of the inclined surface of the upper inclined section 52 and the inclination angle of the inclined surface of the lower inclined section 53 are both 45°, the laser light source is irradiated on the mirror 6 through the light passing hole 7 on the lower inclined section 53, the mirror 6 reflects the vertical light at a fixed angle, that is, the light reflected by the mirror 6 is horizontally emitted, when the rotating mirror seat 5 rotates, the light reflected by the mirror 6 deflects by a corresponding angle on the horizontal plane and is emitted, so that the optical path switching is realized.
[0028] Optionally, in order to facilitate the replacement of the mirror 6, the inclined surface center of the upper inclined surface section 52 is provided with a limiting groove 55 for mounting the mirror 6, and the mirror 6 is detachably connected in the limiting groove 55. Specifically, a limiting pin hole 54 is symmetrically arranged on the side wall of the limiting groove 55, and after the mirror 6 is embedded in the limiting groove 55, the limiting pin is installed in the limiting pin hole 54 to fix the mirror 6 in the limiting groove 55, so that the mirror 6 can be replaced without disassembling the rotating mirror seat 5.
[0029] Preferably, the vertical section 51, the upper inclined surface section 52 and the lower inclined surface section 53 of the rotating mirror seat 5 are integrally formed into a whole structure, which ensures the precision of the optical path switching device.
[0030] Optionally, the bottom of the rotating mirror seat 5 is provided with a supporting flange 10, and the supporting flange 10 is connected with the rotating mirror seat 5 through a bearing.
[0031] Preferably, as shown in Figure 1 The optical path switching device of the embodiment further includes a rotating optical path base 8, the inside of the rotating optical path base 8 is a hollow structure, the rotating mirror seat 5 is fixedly installed in the inside of the rotating optical path base 8, and the rotating optical path base 8 protects the rotating mirror seat 5, and a window for the mirror 6 to reflect light is designed on the side of the rotating optical path base 8. Specifically, the rotating optical path base 8 in the embodiment is a cuboid frame, the rotating mirror seat 5 is placed in the inside of the cuboid frame, the upper and lower ends of the rotating mirror seat 5 are fixed on the upper and lower surfaces of the cuboid frame through the connecting flange 4 and the supporting flange 10 respectively, and the four side walls of the cuboid frame are designed as open to serve as the window for the mirror 6 to reflect light.
[0032] Optionally, the rotating drive assembly includes a servo motor 1 and a motor base 3, the servo motor 1 is installed on the motor base 3, the output shaft of the servo motor 1 is connected with the upper end of the rotating mirror seat 5 through a coupling 2, and the output shaft of the servo motor 1 is coaxially arranged with the axis of the rotating mirror seat 5, so that the rotating movement of the rotating mirror seat 5 is controlled by the servo motor 1 to control the reflection position of the light reflected by the mirror 6. Preferably, the inside of the motor base 3 is designed as a hollow structure, the output shaft of the servo motor 1 and the coupling 2 are located in the inside of the motor base 3, so that the motor base 3 supports the servo motor 1 and protects the coupling 2. During installation, the motor base 3 can be installed on the rotating optical path base 8 to bear the load of the servo motor 1 together with the rotating optical path base 8.
[0033] On the basis of the above-mentioned embodiments, the optical path switching device further comprises a sensing member for detecting the rotating motion position of the rotating mirror seat 5. Specifically, according to the actual application requirement, the sensing switch is arranged at the position where the optical path needs to be switched, and when the rotating mirror seat 5 rotates to the position corresponding to the sensing switch, the sensing switch sends a signal to indicate that the rotating mirror seat 5 is rotated to the position; the sensing switch can be installed on the rotating optical path base 8 through the sensing switch mounting seat 9.
[0034] The above examples are only illustrative of the present application, and do not constitute a limitation on the protection scope of the present application. Any design identical or similar to the present application belongs to the protection scope of the present application.
Claims
1. An optical path switching device, characterized in that: The application relates to a rotating mirror device, which comprises a rotating driving assembly, a rotating mirror seat and a mirror, wherein the mirror is installed on the rotating mirror seat, one end of the rotating mirror seat is provided with a light passing hole for a laser light source to pass through and be incident on the mirror, and the other end of the rotating mirror seat is provided with a connecting flange; the output shaft of the rotating driving assembly is connected with the connecting flange on the rotating mirror seat through a shaft coupling.
2. The optical path switching device according to claim 1, wherein: The rotating mirror seat is in a K-shaped structure, and comprises a vertical section and an upper inclined surface section and a lower inclined surface section connected to the vertical section; the mirror is installed on the upper inclined surface section, and the light passing hole is arranged on the lower inclined surface section.
3. The optical path switching device according to claim 2, wherein: The inclined surface of the upper inclined surface section is perpendicular to the inclined surface of the lower inclined surface section, and the inclined angle of the inclined surface of the upper inclined surface section and the inclined angle of the inclined surface of the lower inclined surface section are both 45 degrees.
4. The optical path switching device according to claim 2, wherein: The center of the inclined surface of the upper inclined surface section is provided with a limiting groove for installing the mirror, and the mirror is detachably connected in the limiting groove.
5. The optical path switching device according to claim 2, wherein: The rotating mirror seat is in an integral forming structure.
6. The optical path switching device according to claim 1, wherein: The bottom of the rotating mirror seat is provided with a supporting flange, and the supporting flange is connected with the rotating mirror seat through a bearing.
7. The optical path switching device according to claim 1, wherein: The rotating mirror device further comprises a rotating light path base, the inside of the rotating light path base is a hollow structure, the rotating mirror seat is fixedly installed in the inside of the rotating light path base, and the side of the rotating light path base is provided with a window for the mirror to reflect out light.
8. The optical path switching device according to claim 1, wherein: The rotating driving assembly comprises a servo motor and a motor seat, the servo motor is installed on the motor seat, the inside of the motor seat is a hollow structure, and the output shaft of the servo motor and the shaft coupling are located in the inside of the motor seat.
9. The optical path switching device according to claim 1, wherein: The rotating mirror device further comprises a sensing element for detecting the rotating motion position of the rotating mirror seat.