Auxiliary device for laser welding

Abstract

The utility model provides an auxiliary device for laser welding belongs to laser welding technical field, including base, the top of base is located slide setting two connecting frames, is equipped with the drive mechanism for driving two connecting frames to slide towards or away from each other again, every connecting frame all rotates and sets up L type board, every L type board and the rotary joint of connecting frame all is equipped with torsion spring, two L type boards are opposite setting, and the opposite side of two L type boards all rotates and sets up the pressing block, the top of base places work piece. The process of drive mechanism drives two connecting frames to be close to each other, and the L type board on two connecting frames will contact work piece and take place rotation, and L type board rotation not only can pass through the horizontal direction of work piece and is limited fixed by itself, but also can pass through the vertical direction of work piece and is limited fixed by the pressing block, and the operation is simpler and the operation step is optimized, and the use mode is more convenient, thereby reducing the working strength of operator, has better practicality.

Description

Technical Field

[0001] This utility model belongs to the field of laser welding technology, specifically relating to auxiliary devices for laser welding. Background Technology

[0002] Laser welding is a highly efficient and precise welding method that uses a high-energy-density laser beam as a heat source, and it is one of the important applications of laser material processing technology. It can be achieved using continuous or pulsed laser beams, and its principles can be divided into heat conduction welding and laser deep penetration welding. During laser welding, auxiliary devices are often needed to limit and fix the workpiece to prevent it from shifting during processing. However, existing auxiliary devices often require cumbersome operations for workpiece positioning, making them inconvenient to use. Therefore, there is an urgent need for a laser welding auxiliary device.

[0003] A patent with publication number CN219542073U discloses a laser welding auxiliary fixture, which includes limit blocks, limit plates, return springs, and electric push rods. In use, the two ends of the product to be welded are inserted into the limit slots in the limit blocks. The return spring and the limit plates then vertically limit and fix the product. Subsequently, the electric push rod is activated, causing the two limit blocks to move towards each other, thereby horizontally limiting and fixing the product.

[0004] However, when fixing the product to be welded, the above solution requires not only inserting both ends of the product into the limiting groove to limit its vertical direction, but also activating the electric push rod to limit its horizontal direction. The operation process is cumbersome and the method of use is not convenient. This undoubtedly increases the difficulty of operation and the workload of operators, and the practical effect is generally poor. Utility Model Content

[0005] To address the problems existing in the background art, this utility model provides an auxiliary device for laser welding.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An auxiliary device for laser welding includes a base. The top of the base has two connecting frames that are slidably positioned and limited, and a driving mechanism for driving the two connecting frames to slide towards or away from each other. Each connecting frame has an L-shaped plate rotatably mounted inside it, and a torsion spring is provided at the rotatable connection between each L-shaped plate and the connecting frame. The two L-shaped plates are arranged facing each other, and pressure blocks are rotatably mounted on the facing sides of the two L-shaped plates. A workpiece is placed on the top of the base.

[0008] Furthermore, the driving mechanism includes a motor, and the top of the base has multiple sliding grooves. A bidirectional screw is rotatably mounted inside the base, and a guide rod is fixedly mounted therein. Both the bidirectional screw and the guide rod are located within the sliding grooves. The motor is fixedly mounted on the outer surface of the base, and the output shaft of the motor is coaxially and fixedly connected to one end of the bidirectional screw. A slider is fixedly mounted at one end of each connecting frame, and the other end of each connecting frame is slidably mounted within a sliding groove and slides in cooperation with the guide rod. The two sliders are not only slidably mounted within the sliding grooves, but also threadedly engaged with the two threaded sections of the bidirectional screw.

[0009] Furthermore, the pressure block has several heat dissipation holes and the pressure block itself has a certain weight.

[0010] Furthermore, a limiting block is fixedly installed on the connecting frame.

[0011] Furthermore, a soft pad is fixedly installed on the L-shaped plate.

[0012] Furthermore, an air pipe is fixedly installed inside the base, with one end of the air pipe connected to an external air supply device.

[0013] Furthermore, the top of the base has several exhaust holes that communicate with the air pipe.

[0014] This application has the following beneficial effects:

[0015] As the driving mechanism moves the two connecting frames closer together, the L-shaped plates on the two connecting frames will contact the workpiece and rotate. The rotation of the L-shaped plates can not only limit and fix the workpiece in the horizontal direction by themselves, but also limit and fix the workpiece in the vertical direction by the pressure block. The operation is simpler and the operation steps are optimized, making it more convenient to use, thereby reducing the workload of the operator and making it more practical. Attached Figure Description

[0016] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the connecting frame structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the connecting frame of this utility model;

[0020] Figure 4This is a diagram showing the state of the workpiece when the L-shaped plate and pressure block of this utility model are clamping and limiting it.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Base; 2. Motor; 3. Bidirectional screw; 4. Slider; 5. Connecting frame; 6. L-shaped plate; 7. Slide groove; 8. Exhaust hole; 9. Air pipe; 10. Torsion spring; 11. Pressure block; 12. Heat dissipation hole; 13. Soft pad; 14. Limiting block; 15. Workpiece. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0024] like Figures 1-4 As shown, the technical solution adopted by this utility model is as follows: an auxiliary device for laser welding, including a base 1, on which a workpiece 15 is placed.

[0025] The top of the base 1 has two connecting frames 5 that are slidably positioned and limited, and also has a driving mechanism that drives the two connecting frames 5 to slide towards or away from each other. The workpiece 15 is placed between the two connecting frames 5, and the connecting frames 5 are arranged in an n-shape.

[0026] The drive mechanism includes a motor 2. Multiple grooves 7 are formed on the top of the base 1. A bidirectional screw 3 is rotatably mounted inside the base 1, and a guide rod (not shown in the figure) is fixedly mounted therein. Both the bidirectional screw 3 and the guide rod are located within the grooves 7. The motor 2 is fixedly mounted on the outer surface of the base 1, and the output shaft of the motor 2 is coaxially and fixedly connected to one end of the bidirectional screw 3. A slider 4 is fixedly mounted at one end of each connecting frame 5, and the other end of each connecting frame 5 is slidably positioned within the groove 7 and slides in cooperation with the guide rod. The two sliders 4 are not only slidably positioned within the grooves 7 but also threadedly engaged with the two threaded sections of the bidirectional screw 3.

[0027] Both connecting frames 5 are rotatably equipped with L-shaped plates 6. Each L-shaped plate 6 is equipped with a torsion spring 10 at the rotatable connection point with the connecting frame 5. One end of the torsion spring 10 is fixedly connected to the L-shaped plate 6, and the other end is fixedly connected to the connecting frame 5. Both L-shaped plates 6 are rotatably equipped with pressure blocks 11 on their opposing sides. Several heat dissipation holes 12 are opened on the pressure blocks 11, and the pressure blocks 11 themselves have a certain weight, so that the pressure blocks 11 remain vertical after the L-shaped plates 6 rotate.

[0028] Furthermore, a limiting block 14 is fixedly installed on the connecting frame 5, which is used to limit the L-shaped plate 6.

[0029] Furthermore, each L-shaped plate 6 is provided with a soft pad 13, which can play a protective role in protecting the workpiece 15.

[0030] An air pipe 9 is fixedly installed inside the base 1, with one end of the air pipe 9 connected to an external air supply device; several exhaust holes 8 connected to the air pipe 9 are opened on the top of the base 1. The external air supply device introduces protective gas into the air pipe 9 to protect the workpiece 15.

[0031] Working principle: When in use, place the workpiece 15 on the base 1 so that the workpiece 15 is located between the two connecting brackets 5.

[0032] Start motor 2, and the output shaft of motor 2 drives the bidirectional screw 3 to rotate. Guided by the guide rod, the slider 4 drives the two connecting frames 5 to move closer together. During the process of the two connecting frames 5 moving closer together, the side of the workpiece 15 will contact the L-shaped plate 6 on the connecting frame 5 and push the L-shaped plate 6 to rotate, causing the torsion spring 10 to deform. The soft pad 13 not only increases the contact force with the side of the workpiece 15, but also provides good protection for the side of the workpiece 15.

[0033] Because the pressure block 11 itself has a certain weight, it remains vertical during the rotation of the L-shaped plate 6. As the connecting frame 5 continues to move and the L-shaped plate 6 continues to rotate, the pressure block 11 will press against the top of the workpiece 15, such as... Figure 4 As shown, this allows for vertical positioning and fixation of the workpiece 15.

[0034] At the same time, the L-shaped plate 6 also completes the horizontal positioning and fixing of the workpiece 15, making the operation simpler and the operation steps more optimized, and the usage more convenient, thereby reducing the workload of operators and having better practicality.

[0035] During this period, the external gas supply device will introduce protective gas into the gas pipe 9, thereby protecting the workpiece 15 with the protective gas.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An auxiliary device for laser welding, characterized in that, The base (1) includes a base (1), on the top of which two connecting frames (5) are slidably mounted and a driving mechanism is provided for driving the two connecting frames (5) to slide towards or away from each other; each connecting frame (5) is rotatably mounted with an L-shaped plate (6), and each L-shaped plate (6) is provided with a torsion spring (10) at the rotatable connection between it and the connecting frame (5); the two L-shaped plates (6) are arranged facing each other, and pressure blocks (11) are rotatably mounted on the facing sides of the two L-shaped plates (6); a workpiece (15) is placed on the top of the base (1).

2. The auxiliary device for laser welding according to claim 1, characterized in that, The driving mechanism includes a motor (2), and the top of the base (1) has multiple sliding grooves (7). A bidirectional screw (3) is rotatably installed in the base (1), and a guide rod is fixedly installed. Both the bidirectional screw (3) and the guide rod are located in the sliding grooves (7). The motor (2) is fixedly installed on the outer surface of the base (1), and the output shaft of the motor (2) is coaxially fixedly connected to one end of the bidirectional screw (3). A slider (4) is fixedly installed at one end of each connecting frame (5), and the other end of each connecting frame (5) is limited and slidably installed in the sliding groove (7) and slides with the guide rod. The two sliders (4) are limited and slidably installed in the sliding groove (7) and threadedly engaged with the two threaded sections of the bidirectional screw (3).

3. The auxiliary device for laser welding according to claim 1, characterized in that, The pressure block (11) has several heat dissipation holes (12) and the pressure block (11) itself has a certain weight.

4. The auxiliary device for laser welding according to claim 1, characterized in that, A limiting block (14) is fixedly installed on the connecting frame (5).

5. The auxiliary device for laser welding according to claim 1, characterized in that, A soft pad (13) is fixedly installed on the L-shaped plate (6).

6. The auxiliary device for laser welding according to claim 1, characterized in that, An air pipe (9) is fixedly installed inside the base (1), and one end of the air pipe (9) is connected to an external air supply device.

7. The auxiliary device for laser welding according to claim 6, characterized in that, The top of the base (1) has several exhaust holes (8) that communicate with the air pipe (9).

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