Scanning type laser shock peening device

By utilizing a scanning laser shock strengthening device, which combines a laser generation module, a scanning module, and a monitoring and feedback module, efficient and uniform laser shock strengthening of large-area or complex-shaped workpieces is achieved. This solves the problems of low processing efficiency and uneven results of traditional devices, and improves production efficiency and the consistency of strengthening effect.

CN223997556UActive Publication Date: 2026-03-17JIUJIANG ZHONGKE LASER TECH RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Traditional laser shock peening devices are inefficient and lack sufficient movement precision when processing large-area or complex-shaped workpieces, resulting in uneven strengthening effects and affecting the overall performance and quality of the workpiece.

Method used

The scanning laser shock enhancement device, which combines a laser generation module, a scanning module, a monitoring and feedback module, a threaded screw, an adjusting screw, and a C-frame, achieves precise coverage and flexible adjustment of the laser beam through rapid scanning by a two-dimensional scanning galvanometer and a multi-degree-of-freedom motion platform. The monitoring and feedback module adjusts the laser parameters and the device's motion status in real time.

Benefits of technology

It improves the processing efficiency and consistency of laser shock peening, shortens processing time, increases energy utilization, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of material surface treatment, in particular to a scanning type laser shock peening device which comprises a working table, a front baffle and a rear baffle are fixedly connected to the front side and the rear side of the working table, a right vertical plate is fixedly connected to the right side of a supporting plate, and a transverse supporting plate is fixedly connected between the left vertical plate and the right vertical plate. An adjusting screw rod is arranged at the front end of the transverse supporting plate, a C-shaped frame is arranged on the adjusting screw rod, a protective shell is arranged on the C-shaped frame, a laser generation module and a scanning module are fixedly connected into the protective shell, a protective cover is fixedly connected to the front end in the protective shell, and a monitoring feedback module is fixedly connected into the protective cover; the laser generating module, the scanning module, the monitoring feedback module, the threaded lead screw, the adjusting lead screw and the C-shaped frame are used in cooperation, through rapid scanning of the two-dimensional scanning galvanometer and cooperation of the multi-degree-of-freedom motion platform, the surface of a workpiece can be rapidly covered, the processing time is greatly shortened, and the production efficiency is improved.
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Description

Technical Field

[0001] This utility model mainly relates to the technical field of material surface treatment, specifically a scanning laser shock strengthening device. Background Technology

[0002] Laser shock peening, as an advanced material surface treatment technology, can effectively improve the hardness, wear resistance, and fatigue resistance of materials. However, traditional laser shock peening devices currently have some limitations. Some devices use a single fixed-point impact method, which is extremely inefficient for processing large-area or complex-shaped workpieces, requiring multiple position adjustments and significantly increasing processing time. Others, while possessing simple movement functions, lack sufficient precision and flexibility, making it difficult to accurately cover complex contours, resulting in uneven strengthening effects and affecting the overall performance and quality of the workpiece.

[0003] Therefore, we provide a scanning laser shock peening device to address the shortcomings of existing technologies. Utility Model Content

[0004] This utility model mainly provides a scanning laser shock strengthening device to solve the technical problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0006] A scanning laser shock peening device includes a worktable with a front baffle and a rear baffle fixedly connected to its front and rear sides. A drive motor is fixedly connected to the center of the front end of the front baffle. A threaded screw is provided between the front and rear baffles. Guide rods are fixedly connected between the front and rear baffles and on both sides of the threaded screw. A support plate is attached to the bottom of the worktable. A left vertical plate is fixedly connected to the left side of the support plate, and a right vertical plate is fixedly connected to the right side of the support plate. A transverse support plate is fixedly connected between the left and right vertical plates. An adjusting screw is provided at the front end of the transverse support plate. A C-shaped frame is provided on the adjusting screw. A protective shell is provided on the C-shaped frame. A laser generating module and a scanning module are fixedly connected inside the protective shell. A protective cover is fixedly connected to the front end of the protective shell. A monitoring feedback module is fixedly connected inside the protective cover.

[0007] Furthermore, the laser generating module includes a high-energy pulsed laser, a laser beam expander and shaper assembly, and a laser transmission fiber; the scanning module includes a two-dimensional scanning galvanometer, a focusing lens, and a scanning drive mechanism; and the monitoring and feedback module comprises an energy monitoring sensor, a temperature sensor, a displacement sensor, and a 5G transmission module.

[0008] Furthermore, the laser generating module is connected to the scanning module via a laser transmission optical fiber, the scanning module is connected to the monitoring feedback module via a cable, and the monitoring feedback module is wirelessly connected to an external processing terminal via a 5G transmission module.

[0009] Furthermore, an internally threaded slider is fixedly connected to the center of the bottom of the support plate, sleeves are fixedly connected to both sides of the bottom of the support plate, and transverse guide rods are fixedly connected between the left and right vertical plates and on both sides above and below the adjusting screw.

[0010] Furthermore, the right side of the adjusting screw is fixedly connected to the second output end of the drive motor, the front end of the threaded screw is fixedly connected to the first output end of the drive motor, the internal threaded slider is threadedly connected to the threaded screw, and the support plate is slidably connected to the guide rod through sleeves provided on both sides of the bottom.

[0011] Furthermore, a threaded hole is fixedly opened at the center of the side of the C-shaped frame, and through holes are fixedly opened on both the upper and lower sides of the C-shaped frame above and below the threaded hole. A drive motor is fixedly connected to the top of the C-shaped frame, and a vertical ball screw is rotatably connected to the bottom inner side of the front end of the C-shaped frame. A slider is sleeved on the outer side of the vertical ball screw, and a mounting plate is fixedly connected to the front end of the slider. A fixing hoop is fixedly connected to the front end of the mounting plate.

[0012] Furthermore, the C-shaped frame is threadedly connected to the adjusting screw through the threaded hole, the C-shaped frame is slidably connected to the horizontal guide rod through the through hole, and the top of the vertical ball screw is fixedly connected to the three output ends of the drive motor. The mounting plate is fixedly connected to the protective shell through the fixing hoop set at the front end.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention utilizes a laser generating module, a scanning module, a monitoring and feedback module, a threaded lead screw, an adjusting lead screw, and a C-frame in conjunction. Through the rapid scanning of a two-dimensional scanning galvanometer and the cooperation of a multi-degree-of-freedom motion platform, it can quickly cover the workpiece surface, greatly shortening processing time and improving production efficiency. It can precisely control the scanning trajectory and focusing position of the laser beam, and flexibly adjust it according to the workpiece shape and processing requirements, so that the laser shock strengthening is uniformly applied to the workpiece surface, improving the consistency of the strengthening effect. The monitoring and feedback module provides real-time feedback on laser energy, workpiece temperature, and position information. The control module adjusts the laser parameters and device motion state accordingly, improving energy utilization and reducing costs. The data is then transmitted to the processing terminal via a 5G transmission module for data analysis and processing.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the C-frame structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the adjusting lead screw structure of this utility model;

[0019] Figure 4 This is a bottom view of the workbench structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of the protective shell of this utility model.

[0021] In the diagram: 1. Worktable; 101. Front baffle; 102. Drive motor one; 103. Rear baffle; 104. Threaded screw; 105. Guide rod; 2. Support plate; 201. Internal threaded slider; 202. Sleeve; 203. Left vertical plate; 204. Right vertical plate; 205. Drive motor two; 206. Horizontal support plate; 207. Adjusting screw; 208. Horizontal guide rod; 3. C-frame; 301. Threaded hole; 302. Through hole; 303. Drive motor three; 304. Vertical ball screw; 305. 306. Slider; 307. Mounting plate; 308. Fixing clamp; 4. Protective shell; 409. Laser generating module; 400. High-energy pulsed laser; 401. Laser beam expander and shaper assembly; 402. Laser transmission fiber; 403. Scanning module; 404. Two-dimensional scanning galvanometer; 405. Focusing lens; 406. Scanning drive mechanism; 407. Protective cover; 418. Monitoring feedback module; 419. Energy monitoring sensor; 410. Temperature sensor; 411. Composition of displacement sensors; 412. 5G transmission module. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0023] For an example, please refer to the appendix. Figure 1-5As shown, a scanning laser shock peening device includes a worktable 1. A front baffle 101 and a rear baffle 103 are fixedly connected to the front and rear sides of the worktable 1. A drive motor 102 is fixedly connected to the center of the front end of the front baffle 101. A threaded screw 104 is provided between the front baffle 101 and the rear baffle 103. Guide rods 105 are fixedly connected between the front baffle 101 and the rear baffle 103 and on both sides of the threaded screw 104. A support plate 2 is attached to the bottom of the worktable 1. A left upright rod is fixedly connected to the left side of the support plate 2. A right vertical plate 204 is fixedly connected to the right side of the support plate 203. A horizontal support plate 206 is fixedly connected between the left vertical plate 203 and the right vertical plate 204. An adjusting screw 207 is provided at the front end of the horizontal support plate 206. A C-shaped frame 3 is provided on the adjusting screw 207. A protective shell 4 is provided on the C-shaped frame 3. A laser generating module 401 and a scanning module 405 are fixedly connected inside the protective shell 4. A protective cover 409 is fixedly connected to the front end of the protective shell 4. A monitoring feedback module 410 is fixedly connected inside the protective cover 409.

[0024] The laser generating module 401 includes a high-energy pulsed laser 402, a laser beam expander and shaper 403, and a laser transmission fiber 404. The scanning module 405 includes a two-dimensional scanning galvanometer 406, a focusing lens 407, and a scanning drive mechanism 408. The monitoring and feedback module 410 includes an energy monitoring sensor 411, a temperature sensor 412, a displacement sensor 413, and a 5G transmission module 414. The laser generating module 401 is connected to the scanning module 405 via the laser transmission fiber 404. The scanning module 405 is connected to the monitoring and feedback module 410 via a cable. The monitoring and feedback module 410 is wirelessly connected to an external processing terminal via the 5G transmission module 414. The workpiece is firmly fixed on the worktable 1, and the laser generating module 401 is activated to generate laser pulses. The laser pulses are transmitted through the laser transmission fiber 404. The laser beam is expanded and shaped by the laser beam expanding and shaping component in the scanning module 405. The scanning drive mechanism controls the movement of the two-dimensional scanning galvanometer 406, so that the laser beam scans the workpiece surface according to the set trajectory. Through the rapid scanning of the two-dimensional scanning galvanometer 406 and the cooperation of the multi-degree-of-freedom motion platform, the workpiece surface can be quickly covered, greatly shortening the processing time and improving production efficiency. The scanning trajectory and focusing position of the laser beam can be precisely controlled and flexibly adjusted according to the shape of the workpiece and processing requirements, so that the laser shock strengthening is uniformly applied to the workpiece surface, improving the consistency of the strengthening effect. The monitoring and feedback module 410 provides real-time feedback on laser energy, workpiece temperature and position information. The control module adjusts the laser parameters and device movement status accordingly to improve energy utilization and reduce costs. The data is then transmitted to the processing terminal for data analysis and processing via the 5G transmission module.

[0025] The support plate 2 has an internally threaded slider 201 fixedly connected to its bottom center. Sleeves 202 are fixedly connected to both sides of the bottom of the support plate 2. Horizontal guide rods 208 are fixedly connected between the left and right vertical plates 203 and 204, and on both sides of the adjusting screw 207. The right side of the adjusting screw 207 is fixedly connected to the output end of the second drive motor 205. The front end of the threaded screw 104 is fixedly connected to the output end of the first drive motor 102. The internally threaded slider 201 is threadedly connected to the threaded screw 104. The support plate 2 is slidably connected to the guide rod 105 via sleeves 202 on both sides of its bottom. A threaded hole 301 is fixedly opened at the center of the side of the C-shaped frame 3. Through holes 302 are fixedly opened on both sides of the C-shaped frame 3, above and below the threaded hole 301. A drive motor is fixedly connected to the top of the C-shaped frame 3. The C-frame 3 has a vertical ball screw 304 rotatably connected to the bottom inner side of its front end. A slider 305 is sleeved on the outer side of the vertical ball screw 304. A mounting plate 306 is fixedly connected to the front end of the slider 305. A fixing hoop 307 is fixedly connected to the front end of the mounting plate 306. The C-frame 3 is threadedly connected to the adjusting screw 207 through a threaded hole 301. The C-frame 3 is slidably connected to the horizontal guide rod 208 through a through hole 302. The top of the vertical ball screw 304 is fixedly connected to the output end of the drive motor 303. The mounting plate 306 is fixedly connected to the protective shell 4 through the fixing hoop 307 at its front end. The threaded screw 104, adjusting screw 207, and vertical ball screw 304 can move and rotate as needed to ensure that the laser beam can cover all areas of the workpiece to be processed.

[0026] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A scanning laser shock peening device comprising a worktable (1), characterized in that: The workbench (1) is fixedly connected with front and rear baffle plates (101) and (103) on both sides, the front end of the front baffle plate (101) is fixedly connected with a driving motor (102), a threaded screw rod (104) is arranged between the front and rear baffle plates (101) and (103), guide rods (105) are fixedly connected between the front and rear baffle plates (101) and (103) and on both sides of the threaded screw rod (104), a support plate (2) is attached to the bottom of the workbench (1), a left vertical plate (203) is fixedly connected to the left side of the support plate (2), a right vertical plate (204) is fixedly connected to the right side of the support plate (2), a horizontal support plate (206) is fixedly connected between the left and right vertical plates (203) and (204), an adjusting screw rod (207) is arranged at the front end of the horizontal support plate (206), a C-shaped frame (3) is arranged on the adjusting screw rod (207), a protective shell (4) is arranged on the C-shaped frame (3), a laser generating module (401) and a scanning module (405) are fixedly connected inside the protective shell (4), a protective cover (409) is fixedly connected to the inner front end of the protective shell (4), and a monitoring feedback module (410) is fixedly connected inside the protective cover (409).

2. The apparatus for scanning laser shock peening according to claim 1, wherein: The laser generating module (401) comprises a high-energy pulse laser (402), a laser beam expanding and shaping assembly (403) and a laser transmission optical fiber (404), the scanning module (405) comprises a two-dimensional scanning galvanometer (406), a focusing lens (407) and a scanning driving mechanism (408), and the monitoring feedback module (410) comprises an energy monitoring sensor (411), a temperature sensor (412), a displacement sensor (413) and a 5G transmission module (414).

3. A scanning laser shock peening device according to claim 2, wherein: The laser generating module (401) is connected in communication with the scanning module (405) through the laser transmission optical fiber (404), the scanning module (405) is connected in communication with the monitoring feedback module (410) through a cable, and the monitoring feedback module (410) is wirelessly connected with an external processing terminal through the 5G transmission module (414).

4. The apparatus for scanning laser peening according to claim 1, wherein: A threaded sliding block (201) is fixedly connected to the center of the bottom of the support plate (2), sleeve (202) is fixedly connected to both sides of the bottom of the support plate (2), and horizontal guide rods (208) are fixedly connected between the left and right vertical plates (203) and (204) and on both sides of the adjusting screw rod (207).

5. A scanning laser shock peening device according to claim 4, wherein: The right side of the adjusting screw rod (207) is fixedly connected with the output end of a driving motor (205), the front end of the threaded screw rod (104) is fixedly connected with the output end of the driving motor (102), the threaded sliding block (201) is in threaded connection with the threaded screw rod (104), and the support plate (2) is in sliding connection with the guide rods (105) through the sleeve (202) arranged on both sides of the bottom of the support plate (2).

6. A scanning laser shock peening device according to claim 4, wherein: The C-shaped frame (3) is fixedly provided with a threaded hole (301) at the center of the side surface, and is fixedly provided with a through hole (302) on the upper and lower sides of the threaded hole (301) on the side surface, the C-shaped frame (3) is fixedly connected with a driving motor three (303) on the top, the C-shaped frame (3) is rotatably connected with a vertical ball screw (304) on the inner bottom of the front end, the vertical ball screw (304) is sleeved with a sliding block (305) on the outside, the sliding block (305) is fixedly connected with a mounting plate (306) on the front end, and the mounting plate (306) is fixedly connected with a fixed hoop (307) on the front end.

7. A scanning laser shock peening device according to claim 6, wherein: The C-shaped frame (3) is threadedly connected with the adjusting screw (207) through the threaded hole (301), the C-shaped frame (3) is slidably connected with the horizontal guide rod (208) through the through hole (302), the top of the vertical ball screw (304) is fixedly connected with the output end of the driving motor three (303), and the mounting plate (306) is fixedly connected with the protective shell (4) through the fixed hoop (307) arranged on the front end.