Rotary reflector structure

By splitting the laser into two beams and reflecting them at an angle using a rotating reflector structure, and combining this with a hollow motor and a traveling robot to achieve spiral cleaning, the problem of difficulty in covering the inside and outside corners of the rifling in existing technologies is solved, cleaning efficiency is improved, smoke and dust pollution is prevented, and safety is ensured.

CN223807686UActive Publication Date: 2026-01-16WUHAN RAYCUS FIBER LASER TECHNOLOGY CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520594165.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-01-16
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing laser cleaning equipment has difficulty simultaneously covering the rifling corners of the gun barrel's inner wall, resulting in low cleaning efficiency. Furthermore, impurities generated after laser cleaning tend to adhere to the lens, affecting cleaning safety.

Method used

The system employs a rotating reflector structure, which splits the laser into two beams using a beam splitter and then reflects them at an angle onto the inner wall of the barrel using a reflector. This, combined with a hollow motor and a traveling robot, achieves a spiral-shaped coverage, ensuring thorough cleaning without any blind spots. At the same time, the rotating blades prevent dust pollution.

Benefits of technology

It achieves efficient coverage of the rifling grooves on the inner wall of the gun barrel, improves cleaning efficiency, prevents contamination from impurities and dust, and ensures cleaning safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223807686U_ABST
    Figure CN223807686U_ABST
Patent Text Reader

Abstract

The utility model discloses a rotary reflector structure, comprising a housing, the center of the housing is provided with a through hole for laser to enter, the housing is connected with the moving end of a hollow motor, and the hollow part of the hollow motor is aligned with the through hole; the guide assembly is arranged in the shell, the guide assembly comprises a light splitting component and a reflection component, the input end of the light splitting component is aligned with the through hole, and the light splitting component can split the incident laser into two beams when the laser is emitted into the input end; the reflection component is provided with two input ends and an output end, and can reflect two laser beams to the outside of the shell in an inclined manner after the two laser beams enter the input ends; and the blade is coaxially arranged at the center of the light splitting component. According to the rifling cleaning device, the two laser beams can spirally and synchronously cover the internal and external corners of the rifling, so that the cleaning efficiency is improved, meanwhile, impurities can be effectively prevented from being polluted and attached to the reflection component by smoke dust generated when the laser is used for cleaning, and actual use is facilitated.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cleaning technical field especially relates to a rotatory mirror structure. BACKGROUND

[0002] The statements herein merely provide background information related to the utility model and do not necessarily constitute the prior art.

[0003] After the use of the barrel, the residual material will be attached to the inner wall, which will reduce the inner wall finish and increase the friction resistance, therefore, the corresponding equipment needs to be used to clean the inner wall, and the laser cleaning method can effectively remove the impurities in the barrel wall. The existing laser cleaning equipment usually uses single beam to clean the inner wall of the barrel, which has the following disadvantages: the traditional single beam laser cleaning head is difficult to cover the chamber line positive and negative angles synchronously, and needs to be adjusted repeatedly, which is low in efficiency, and there is smoke-shaped impurity after laser cleaning, which is easy to attach to the lens and affect the cleaning safety, therefore, a rotatory mirror structure is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at the above-mentioned deficiencies, and provides a rotatory mirror structure, which can efficiently clean the inner wall of the barrel and ensure the work safety.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a rotatory mirror structure, comprising:

[0006] The shell is provided with a through hole in the center for laser entering, the shell is connected with the moving end of the hollow motor, and the hollow part of the hollow motor is aligned with the through hole;

[0007] The guide assembly is arranged in the shell, the guide assembly comprises a light splitting component and a reflecting component, the input end of the light splitting component is aligned with the through hole, and the input end can split the incident laser into two beams when the laser enters the input end; the reflecting component has two input ends and an output end, and can reflect the two beams in an inclined manner to the outside of the shell after the two beams enter the input ends;

[0008] The blade is coaxially arranged at the center of the light splitting component.

[0009] Further, the light splitting component comprises a mounting table arranged in the shell, the mounting table is hollow inside, and an inclined light splitting mirror is arranged inside the mounting table, and a first reflecting mirror is arranged in the output direction of the light splitting mirror; the light splitting mirror can split the incident laser into two beams when the laser passes through, and one of the two beams is reflected at a 90-degree angle to one of the output ends of the reflecting component, and the other beam passes through the first reflecting mirror and is reflected at a 90-degree angle to the other output end of the reflecting component.

[0010] Further, the reflecting component comprises two light output tables arranged in an inclined manner and symmetrically distributed on the side of the shell away from the through hole, the inner side of each light output table is provided with a second reflecting mirror, and a lens is arranged on each light output table in the output direction of the second reflecting mirror, and the second reflecting mirror can reflect the corresponding laser to the corresponding lens and output when the laser passes through.

[0011] Further, the mounting table is provided with a heat dissipation hole, the mounting table is provided with a heat dissipation fin at the corresponding heat dissipation hole, and the shell is provided with a fan.

[0012] The beneficial effects of the utility model are reflected in:

[0013] The utility model discloses a laser cleaning device, which comprises a shell, a laser emitting module arranged on the shell, a light splitting component arranged on the shell and a reflecting component arranged on the shell, wherein the laser emitting module is arranged on the side of the shell close to the through hole, the light splitting component is arranged on the side of the shell away from the through hole, and the reflecting component is arranged on the side of the shell away from the through hole. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the perspective view of the utility model;

[0015] Fig. 2 It is the structure sectional view of the utility model;

[0016] Fig. 3 It is the setting schematic view of the blade in the utility model.

[0017] In the drawing:

[0018] 1, shell;2, mounting table;3, reflecting component;31, light output table;32, second reflecting mirror;33, lens;4, through hole;5, light splitting mirror;6, reflecting mirror;7, blade;8, heat dissipation fin. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model discloses a kind of rotating mirror structures, including shell 1 and hollow motor, the center of shell 1 is provided with the perforation 4 for laser to enter, shell 1 is connected with the movement end of hollow motor, the hollow of hollow motor is aligned with perforation 4, in use, shell 1 can be driven to rotate by hollow motor, hollow motor is then installed on the advancing robot with laser emission module, laser emission module works, can make laser pass through the hollow of hollow motor and perforation 4, advancing robot can drive hollow motor and shell 1 into cannon tube, and the advancing robot and laser emission module belong to the common knowledge of the art, thus too much superfluous words is not repeated in this paper Specific structure and working principle.

[0021] In an embodiment, the device further includes a guide assembly disposed within the shell 1, the guide assembly including a light splitting component and a reflecting component 3, the input end of the light splitting component is aligned with the perforation 4, and it can split the incident laser into two beams when the laser is incident at the input end; the reflecting component 3 has two input ends and an output end, which can reflect the two laser beams in an inclined manner to the outside of the shell 1 after the two laser beams enter the input ends; the center of the light splitting component is also coaxially disposed in the blade 7.

[0022] In specific implementation, the laser emitted by the laser emission module is incident on the light splitting component, and the incident laser is split into a transmitted beam L1 and a reflected beam L2 by the light splitting component, and input into the two input ends of the reflecting component 3. The reflecting component 3 reflects the two beams in an inclined manner to the outside of the shell 1, until they contact the impurities present on the inner wall of the cannon tube. In addition, the starting of the hollow motor and the advancing of the advancing robot in the cannon tube make the two laser beams cover the lands and grooves in a spiral manner, thereby improving the cleaning efficiency and precision. In this process, the blade 7 rotates synchronously with the light splitting component, which can effectively prevent the smoke generated during laser cleaning from adhering to the reflecting component 3, thereby facilitating actual use.

[0023] In addition, the rotor of the hollow motor is provided with a counterweight, which is symmetrically distributed at the motor rotor. In use, by sliding the position of the counterweight, the dynamic balance error can be effectively reduced.

[0024] In an embodiment, the light splitting component comprises a mounting platform 2 mounted in the shell 1, the mounting platform 2 is hollow inside, and an inclined light splitting mirror 5 is mounted inside the mounting platform 2, and a first reflecting mirror 6 is also mounted in the mounting platform 2 and located in the output direction of the light splitting mirror 5.

[0025] In a specific implementation, when the incident laser passes through the perforation 4 and the light splitting mirror 5, the light splitting mirror 5 can split the laser into two beams (a transmitted beam L1 and a reflected beam L2), and reflect one of the beams at a 90-degree angle to one of the output ends of the reflecting component 3, and can also make the other beam pass through the first reflecting mirror 6 and be reflected at a 90-degree angle to the other output end of the reflecting component 3.

[0026] In an embodiment, the reflecting component 3 comprises two inclined mounting platforms 31 mounted on the side of the shell 1 away from the perforation 4 and symmetric to each other, the inner side of each mounting platform 31 is mounted with a second reflecting mirror 32, and a lens 33 is mounted on each mounting platform 31 and located in the output direction of the second reflecting mirror 32.

[0027] In a specific implementation, the second reflecting mirror 32 can reflect the laser to the corresponding lens 33 and output when the laser passes through, and at this time, the laser is output from the shell 1 to the inner wall of the barrel in an inclined manner.

[0028] When the device is used, the following steps are included:

[0029] 1. Light beam splitting and deflection:

[0030] S1, the incident laser is split into a transmitted beam L1 and a reflected beam L2 by the light splitting mirror 5;

[0031] S2, L1 is deflected by 90 degrees by the first reflecting mirror 6 and vertically irradiates the lens 33 of the corresponding mounting platform 31, and L2 is deflected by 90 degrees by the second reflecting mirror 32 and irradiates the lens 33 of the other mounting platform 31 at an axial offset distance Δd;

[0032] S3, the two beams form parallel light spots with a spacing of 2Δd on the inner wall of the barrel (Δd = rifling shadow angle width × 0.8-1.2).

[0033] 2. Spiral trajectory generation:

[0034] S1, the hollow motor drives the structure to rotate at high speed, generating two concentric circular light spots;

[0035] S2, cooperating with the axial feeding motion of the traveling robot (speed v = rotation speed n × rifling pitch p), a double spiral cleaning trajectory is formed;

[0036] S3, the light spot overlap rate is ≥30%, ensuring no dead angle coverage.

[0037] In an embodiment, the mounting table 2 is provided with heat dissipation holes, and the mounting table 2 is provided with heat dissipation fins 8 at the heat dissipation holes, and the shell 1 is provided with a fan (not shown in the figure), and the suction end of the fan faces the heat dissipation fins 8.

[0038] In a specific implementation, when the shell 1 is heated due to laser gathering, the fan and the heat dissipation fins 8 cooperate to guide the heat to the outside of the shell 1, thereby ensuring the use safety of the device.

[0039] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0040] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the present application.

[0041] In addition, "a plurality of" means two or more.

[0042] The above only describes the preferred embodiments of the present application, and does not limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A rotating mirror structure, characterized by, The utility model relates to a laser guiding device, which comprises: a shell (1) with a through hole (4) in the center for laser to enter, the shell (1) is connected with the moving end of a hollow motor, and the hollow part of the hollow motor is aligned with the through hole; a guiding assembly arranged in the shell (1), the guiding assembly comprises a light splitting component and a reflecting component (3), the input end of the light splitting component is aligned with the through hole (4), and the light splitting component can split the incident laser into two beams when the laser enters the input end; the reflecting component (3) has two input ends and an output end, and the reflecting component (3) can reflect the two beams in an inclined manner to the outside of the shell (1) after the two beams enter the input ends; a vane (7) coaxially arranged at the center of the light splitting component.

2. The rotating mirror structure of claim 1, wherein: The light splitting component comprises a mounting table (2) arranged in the shell (1), the mounting table (2) is hollow inside, and an inclined light splitting mirror (5) is arranged inside the mounting table (2); a first reflecting mirror (6) is also arranged in the mounting table (2) in the output direction of the light splitting mirror (5); the light splitting mirror (5) can split the incident laser into two beams when the laser passes through, and one of the two beams is reflected at a right angle to one of the output ends of the reflecting component (3), and the other beam passes through the first reflecting mirror (6) and is reflected at a right angle to the other output end of the reflecting component (3).

3. The rotating mirror structure of claim 2, wherein: The reflecting component (3) comprises two light output tables (31) arranged in an inclined manner and symmetrically distributed on the side of the shell (1) away from the through hole (4); the inner side of each light output table (31) is provided with a second reflecting mirror (32), and each light output table (31) is provided with a lens (33) in the output direction of the second reflecting mirror (32); the second reflecting mirror (32) can reflect the corresponding laser to the corresponding lens (33) and output when the laser passes through.

4. The rotating mirror structure of claim 2, wherein: The mounting table (2) is provided with a heat dissipation hole, the mounting table (2) is provided with a heat dissipation fin (8) at the corresponding heat dissipation hole, and the shell (1) is provided with a fan.