A portable laser shock peening device

Abstract

The utility model discloses a portable laser shock peening device, including base, the upper portion mounting of base has the fixed block of fixed two groups of rotary seat, two groups the opposite side surface symmetry of rotary seat has installed first support arm, two groups the middle portion of first support arm is installed with second support arm through pivot, one end of second support arm is installed with the laser of emitting pulse laser and passes through, the middle portion of first support arm and second support arm is installed with locking assembly and passes through, when needing to adjust the volume of device, remove the locking assembly and pass through the middle portion of first support arm and second support arm, push second support arm and rotate around pivot, this action linkage drives first support arm and rotates around rotary seat, makes two support arms high -efficiently and gathers. Through the support arm of collapsible drive laser moves, effectively reduced the overall volume of device, facilitated the transfer and transportation of device, not only effectively saved the logistics cost, but also greatly shortened the time required for transfer.

Description

Technical Field

[0001] This utility model relates to the field of laser shock strengthening device technology, specifically a lightweight laser shock strengthening device. Background Technology

[0002] Laser shock peening devices utilize high-energy short-pulse lasers to irradiate the surface of materials. The energy conversion layer vaporizes the plasma, which, confined by a constraint layer, forms a high-pressure shock wave. This causes plastic deformation of the metal surface, introducing residual compressive stress and thus improving the material's hardness, fatigue resistance, and other properties. Its core components include a laser system, an optical focusing system, a constraint and energy conversion execution module, a CNC motion platform, and a cooling and protection system. It features non-contact operation, controllable strengthening layer depth, and environmental friendliness, and is widely used for surface strengthening of precision components such as aerospace blades, automotive gears, and molds.

[0003] Traditional laser shock peening devices are bulky and have poor mobility. When transporting them across sites, it is often necessary to disassemble the equipment or use large transport vehicles. This not only significantly increases logistics costs but also consumes a lot of time. In addition, each relocation may take a long time, affecting the production rhythm and thus restricting the flexibility and economy of the process.

[0004] According to the authorization announcement number CN 222160281 U, a laser shock peening device for alloy metal surface is disclosed, including a frame, an adjustment mechanism inside the frame, a clamping mechanism and a laser processing mechanism above the frame, a column fixedly installed on one side of the outer wall of the frame, a water tank installed on the top of the column by bolts, a flexible tube connected to one side of the water tank, and a spray head connected to the side of the flexible tube adjacent to the laser head.

[0005] The aforementioned patents confirm the existence of a new type of lightweight laser shock peening device: due to its large size and poor mobility, traditional laser shock peening devices not only significantly increase logistics costs when transported across locations, but also consume a lot of time and affect production rhythm. Therefore, there is a need for a new type of lightweight laser shock peening device. Utility Model Content

[0006] The purpose of this invention is to provide a lightweight laser shock enhancement device. By using a foldable support arm structure, the overall size of the device can be reduced, thereby solving the technical problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A lightweight laser shock strengthening device includes a base, a fixing block for fixing two sets of rotating seats is installed on the upper part of the base, first support arms are symmetrically installed on the opposite sides of the two sets of rotating seats, a second support arm is installed in the middle of the two sets of first support arms through a rotating shaft, and a laser for emitting pulsed laser is installed through one end of the second support arm.

[0009] A locking assembly for locking the support arm is installed through the middle of the first support arm and the second support arm.

[0010] Preferably, both the first support arm and the second support arm are made of carbon fiber composite material, and both the first support arm and the second support arm have a hollow cavity structure inside.

[0011] Preferably, the outer arc surface of the second support arm has several sets of slots for mounting heat-conducting plates corresponding to the laser, and the outer walls of the several sets of heat-conducting plates are equipped with the same pair of heat sinks for dissipating heat from the laser. The heat sinks are located on the outside of the second support arm.

[0012] Preferably, a groove is provided on one side of the fixing block to prevent the laser from colliding, and a buffer pad for supporting the second support arm is installed on the upper surface of the fixing block.

[0013] Preferably, the locking assembly includes a locking support arm insert rod, which sequentially passes through the pivot and two sets of first support arms axially, and a positioning key is installed on the outer arc surface of the insert rod.

[0014] Preferably, the middle part of the rotating shaft is provided with a plurality of positioning grooves for mounting positioning keys, and the plurality of positioning grooves are distributed along the axial direction of the rotating shaft.

[0015] Preferably, the base has several sets of threaded holes symmetrically opened in the middle for connecting to the outside, and a protective device housing is installed on the upper part of the base. Several sets of bolts are installed through the threaded holes in the middle of the housing.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] When the device size needs to be adjusted, the locking assembly that runs through the middle of the first and second support arms is removed, and the second support arm is pushed to rotate around the pivot. This action, in turn, causes the first support arm to rotate around the rotating base, allowing the two support arms to be efficiently folded together. By using foldable support arms to move the laser, the overall size of the device is effectively reduced, greatly facilitating the transfer and transportation of the device, effectively saving logistics costs and significantly shortening the time required for transfer. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2This is a schematic diagram of the upper structure of the base of this utility model;

[0020] Figure 3 This is a schematic diagram showing the disassembled structure of the locking component of this utility model;

[0021] Figure 4 This is a schematic diagram showing the disassembled installation structure of the heat sink of this utility model;

[0022] Figure 5 This is a schematic diagram of the outer shell mounting structure of this utility model.

[0023] In the diagram: 1. Base; 2. Fixing block; 3. Rotating seat; 4. First support arm; 5. Second support arm; 6. Rotating shaft; 7. Laser; 8. Locking assembly; 81. Insert rod; 82. Positioning key; 83. Positioning groove; 9. Slot; 10. Heat-conducting plate; 11. Heat sink; 12. Groove; 13. Buffer pad; 14. Threaded hole; 15. Outer shell; 16. Bolt. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides: a lightweight laser shock enhancement device, such as... Figures 1-5 As shown, the system includes a base 1. A fixing block 2 is mounted on the upper part of the base 1, securing two sets of rotating seats 3. First support arms 4 are symmetrically mounted on opposite sides of the two sets of rotating seats 3. A second support arm 5 is mounted in the middle of the two sets of first support arms 4 via a rotating shaft 6. A laser 7, which emits pulsed laser light, is mounted through one end of the second support arm 5. The fixing block 2 on the upper part of the base 1 is used to mount the rotating seats 3, providing a fulcrum for the rotation of the first support arms 4. The rotating seats 3 are symmetrically mounted on both sides of the fixing block 2 and connected to the first support arms 4 via bearings, allowing the first support arms 4 to rotate around their axes. The first support arms 4 are hinged to the second support arms 5 via the rotating shaft 6, forming a foldable support structure. One end of the second support arm 5 is connected to the first support arm 4 via the rotating shaft 6, and the other end is equipped with the laser 7, used to adjust the position and angle of the laser 7. The laser 7 is mounted through the end of the second support arm 5 and is used to emit pulsed laser light to perform impact strengthening treatment on the workpiece.

[0026] Laser 7 can be a laser with parameters of pulse energy of 1-5J, pulse width of 10-30ns, and repetition frequency of 1-10Hz. This parameter range can meet the impact strengthening requirements of most metallic materials, providing sufficient energy to induce effective plastic deformation on the workpiece surface, thereby improving the material's strength and fatigue life, while ensuring the stability of energy output under reasonable processing efficiency.

[0027] A locking assembly 8 is installed through the middle of the first support arm 4 and the second support arm 5 to lock the support arms in their extended state, preventing loosening during operation and ensuring precise positioning of the support arm angles. When volume adjustment is required, the locking assembly 8 is removed, pushing the second support arm 5 to rotate around the pivot 6, simultaneously causing the first support arm 4 to rotate around the rotating base 3, thus folding and retracting the two support arms and reducing the overall size of the device.

[0028] Preferably, both the first support arm 4 and the second support arm 5 are made of carbon fiber composite material, and both have a hollow cavity structure inside. The use of carbon fiber composite material in the first support arm 4 and the second support arm 5 utilizes its high strength and low density to reduce the weight of the device, while the hollow cavity structure further reduces its weight and improves the portability of the device. This ensures that the support arms can withstand the weight of the laser 7 and the vibration load during operation while maintaining a lightweight design.

[0029] Furthermore, the outer arc surface of the second support arm 5 is provided with several sets of slots 9 for mounting heat-conducting plates 10 corresponding to the laser 7. The outer walls of these sets of heat-conducting plates 10 are fitted with heat sinks 11 for dissipating heat from the same pair of lasers 7. The heat sinks 11 are located on the outside of the second support arm 5. The slots 9 are corresponding to the laser 7 and are used to mount the heat-conducting plates 10. The heat-conducting plates 10 are made of a metal material with a high thermal conductivity, which can quickly dissipate the heat generated by the laser 7 during operation. The heat sinks 11 are connected to the heat-conducting plates 10 and extend to the outside of the second support arm 5. By increasing the heat dissipation area, heat dissipation is accelerated, preventing the laser 7 from overheating and affecting its performance or lifespan. The heat generated by the laser 7 during operation is transferred through the contact surface to the heat-conducting plates 10 inside the slots 9. The heat-conducting plates 10 then conduct the heat to the external heat sinks 11, and finally dissipate it to the outside of the device.

[0030] The heat-conducting plate 10 is made of copper. Copper's extremely high thermal conductivity can quickly conduct the heat from the laser 7 to the heat sink 11, ensuring the stable operation of the laser 7.

[0031] The heat sink 11 is made of aluminum alloy with a fin thickness of 0.8mm and a spacing of 3mm. Aluminum alloy has good thermal conductivity and light weight, which is suitable for the lightweight requirements of the device. The larger size and reasonable fin design can effectively increase the heat dissipation area and quickly dissipate the heat generated by the laser 7 during operation.

[0032] Furthermore, a groove 12 is provided on one side of the fixing block 2 to prevent the laser 7 from colliding with it, and a buffer pad 13 for supporting the second support arm 5 is installed on the upper surface of the fixing block 2. The groove 12 on one side of the fixing block 2 provides precise clearance for the laser 7, preventing the laser 7 from colliding with the fixing block 2 when the device is folded, and protecting the laser emitting component from damage. The buffer pad 13 is made of elastic material. When the second support arm 5 is folded to its lowest position, the buffer pad 13 supports the second support arm 5, absorbs the impact during folding, and prevents direct contact between metal parts from causing wear.

[0033] It is worth noting that the locking assembly 8 includes a locking support arm insert 81, which axially passes through the rotating shaft 6 and the two sets of first support arms 4. A positioning key 82 is mounted on the outer arc surface of the insert 81. Positioning grooves 83 in the middle of the rotating shaft 6 are distributed axially. When the insert 81 drives the positioning key 82 to engage different positioning grooves 83, the second support arm 5 and the first support arm 4 form different angles, thereby adjusting the tilt angle of the laser 7. When it is necessary to adjust the emission angle of the laser 7, first pull out the insert 81 of the locking assembly 8, rotate the second support arm 5 to the target angle, align the positioning key 82 with the corresponding positioning groove 83, and then insert the insert 81 to lock it.

[0034] Specifically, the middle part of the rotating shaft 6 is provided with several sets of positioning grooves 83 for mounting positioning keys 82. The several sets of positioning grooves 83 are distributed along the axial direction of the rotating shaft 6, so that the operator can rotate the second support arm 5 as needed and insert the plug rod 81 into different positioning grooves 83 to lock it, thus ensuring the practicality of the device.

[0035] More specifically, the base 1 has several sets of threaded holes 14 symmetrically arranged in the middle for external connection. A protective housing 15 is installed on the upper part of the base 1, and several sets of bolts 16 are threaded through the middle of the housing 15 corresponding to the threaded holes 14. The threaded holes 14 in the middle of the base 1 are used for connection to external equipment, and the bolt fixing device ensures stability during operation. The housing 15 is installed on the upper part of the base 1 to cover the core components of the device during transportation, providing dustproof and impact protection. The bolts 16 pass through the housing 15 and are screwed into the threaded holes 14, fixing the housing 15 to the base 1, forming a closed protective structure.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable laser shock peening device, characterized by: Includes a base (1), the upper part of which is equipped with a fixing block (2) for fixing two sets of rotating seats (3), the two sets of rotating seats (3) are symmetrically equipped with first support arms (4) on opposite sides, the middle of the two sets of first support arms (4) is equipped with a second support arm (5) through a rotating shaft (6), and one end of the second support arm (5) is equipped with a laser (7) that emits pulsed laser light; A locking assembly (8) for locking the support arm is installed through the middle of the first support arm (4) and the second support arm (5).

2. The lightweight laser shock peening device according to claim 1, characterized in that: Both the first support arm (4) and the second support arm (5) are made of carbon fiber composite material, and both the first support arm (4) and the second support arm (5) have hollow cavity structures inside.

3. The lightweight laser shock peening device according to claim 2, characterized in that: The outer arc surface of the second support arm (5) is provided with a number of slots (9) for mounting heat-conducting plates (10) corresponding to the laser (7). The outer walls of the number of heat-conducting plates (10) are equipped with heat sinks (11) for the same pair of lasers (7) for heat dissipation. The heat sinks (11) are located on the outside of the second support arm (5).

4. The lightweight laser shock peening device according to claim 1, characterized in that: The fixing block (2) has a groove (12) on one side to prevent the laser (7) from colliding, and a buffer pad (13) supporting the second support arm (5) is installed on the upper surface of the fixing block (2).

5. The lightweight laser shock peening device according to claim 1, characterized in that: The locking assembly (8) includes a locking support arm insert (81), which axially passes through the pivot (6) and the two sets of first support arms (4) in sequence, and a positioning key (82) is installed on the outer arc surface of the insert (81).

6. A lightweight laser shock peening device according to claim 5, characterized in that: The rotating shaft (6) has several sets of positioning grooves (83) for mounting positioning keys (82) in the middle, and the several sets of positioning grooves (83) are distributed along the axial direction of the rotating shaft (6).

7. A lightweight laser shock peening device according to claim 1, characterized in that: The base (1) has several sets of threaded holes (14) symmetrically opened in the middle for connecting to the outside. The upper part of the base (1) is equipped with a protective device housing (15). Several sets of bolts (16) are installed through the threaded holes (14) in the middle of the housing (15).

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