Auxiliary device applied to laser welding

Abstract

The utility model relates to the technical field of welding auxiliary devices, in particular to an auxiliary device applied to laser welding, which comprises a base and a welding frame, a bearing seat is arranged on the welding frame, an output shaft is slidably arranged on the bearing seat, and a chuck is rotatably arranged on the output shaft. A height adjusting assembly is arranged between the welding frame and the bearing seat; a first guide groove is formed in the output shaft, a guide part matched with the first guide groove is fixedly arranged on the bearing seat, a screw rod is rotationally arranged on the guide part and is in threaded connection with the output shaft, a rotating disc is fixedly arranged on the screw rod, and the rotating disc is in threaded connection with the bearing seat. The height adjusting assembly is arranged to control the heights of the chuck and the welding parts, the welding parts of different specifications are adjusted to the same height, welding is convenient, the welding efficiency is improved, the rotating disc is rotated to drive the screw to rotate, the output shaft and the chuck are controlled to move, and the welding parts are fixed.

Description

Technical Field

[0001] This utility model relates to the field of welding auxiliary device technology, and in particular to an auxiliary device for laser welding. Background Technology

[0002] Laser welding is a welding technique that uses a laser beam as a heat source. It focuses the laser beam onto the joint of the welding materials to generate high temperatures, causing the materials to melt locally and form a weld. The laser beam can be precisely focused, making it suitable for welding small parts. Because laser welding heats up quickly and has a relatively small heat-affected zone, it reduces material deformation and stress. The welding speed is usually faster than traditional welding methods, making it suitable for large-scale production. It can be combined with automated equipment to improve production efficiency.

[0003] Existing laser welding auxiliary devices generally use a chuck to fix the workpiece, and the chuck can be rotated to easily adjust the angle of the workpiece. For example, Chinese Patent Publication No. CN112975131A discloses "a laser welding auxiliary device for welding annular pipe fittings", which rotates the annular handle to make the two annular pipe fittings to be welded rotate smoothly and synchronously, while the welding head remains stationary, resulting in high welding precision and high efficiency.

[0004] However, in actual use, due to the different specifications and sizes of the welded parts, when welding smaller welded parts, the height of the welded parts cannot be adjusted, making it impossible to place welded parts of different specifications in the same position, which causes great inconvenience to the welding process. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as the inability to adjust the height of welded parts and the inability to place welded parts of different specifications in the same position, and to propose an auxiliary device for laser welding.

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

[0007] Design an auxiliary device for laser welding, including a base and a welding frame, a bearing seat on the welding frame, an output shaft slidably mounted on the bearing seat, a chuck rotatably mounted on the output shaft, and a height adjustment component between the welding frame and the bearing seat;

[0008] The output shaft is provided with a first guide groove, and the bearing seat is fixedly provided with a guide part that cooperates with the first guide groove. A screw is rotatably provided on the guide part, the screw is threadedly connected to the output shaft, and a turntable is fixedly provided on the screw.

[0009] Furthermore, the height adjustment component includes a guide post that is movably inserted into the welding frame, the guide post having a second guide groove, and a connection structure being provided between the welding frame and the second guide groove.

[0010] Furthermore, the connection structure includes a rack fixedly disposed in the second guide groove, a gear rotatably disposed on the welding frame and meshing with the rack, and a limit mechanism disposed on the welding frame.

[0011] Furthermore, the limiting mechanism includes a rotating shaft fixedly connected to the gear, a ratchet fixedly mounted on the rotating shaft, an adjustment cavity cooperating with the ratchet being provided in the welding frame, and a pawl cooperating with the ratchet being provided in the adjustment cavity.

[0012] Furthermore, a support plate is fixedly installed inside the adjustment cavity, and a spring is fixedly installed on the support plate, with the other end of the spring connected to the pawl.

[0013] Furthermore, the welding frame is provided with a movable groove that communicates with the adjustment cavity, and a connecting post that cooperates with the movable groove is fixedly provided on the pawl, with a toggle block fixedly connected to the other end of the connecting post.

[0014] The auxiliary device for laser welding proposed in this utility model has the following advantages:

[0015] In this invention, a height adjustment component is used to control the height of the chuck and the welded parts, allowing welded parts of different specifications to be adjusted to the same height, which facilitates welding and improves welding efficiency.

[0016] Secondly, in this invention, the screw is rotated by rotating the turntable, which controls the movement of the output shaft and the chuck to fix the welded parts. Since the threaded connection has self-locking properties, it prevents the welded parts from loosening and falling off after they are fixed. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an auxiliary device for laser welding proposed in this utility model;

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

[0019] Figure 3 This is a schematic diagram of the straight rack of this utility model;

[0020] Figure 4 This is a schematic diagram of the ratchet mechanism of this utility model;

[0021] Figure 5 This utility model Figure 4A magnified structural diagram of area A.

[0022] In the diagram: 1. Base; 2. Welding frame; 3. Bearing seat; 4. Output shaft; 41. First guide groove; 42. Guide part; 43. Screw; 44. Turntable; 5. Chuck; 6. Height adjustment assembly; 61. Guide post; 62. Second guide groove; 63. Connecting structure; 631. Spur rack; 632. Gear; 64. Limiting mechanism; 641. Rotating shaft; 642. Ratchet; 643. Pawl; 644. Support plate; 645. Spring; 646. Actuating block. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figure 1-5 An auxiliary device for laser welding includes a base 1 and a welding frame 2. A bearing seat 3 is mounted on the welding frame 2. An output shaft 4 is slidably mounted on the bearing seat 3. A chuck 5 is rotatably mounted on the output shaft 4. A height adjustment component 6 is provided between the welding frame 2 and the bearing seat 3.

[0025] The output shaft 4 has a first guide groove 41, and the bearing seat 3 has a guide part 42 that cooperates with the first guide groove 41. A screw 43 is rotatably mounted on the guide part 42. The screw 43 is threadedly connected to the output shaft 4, and a turntable 44 is fixedly mounted on the screw 43.

[0026] In this utility model, the height of the chuck 5 and the welded parts is controlled by the height adjustment component 6, so that welded parts of different specifications can be adjusted to the same height, which facilitates welding and improves welding efficiency. By rotating the turntable 44, the screw 43 is driven to rotate, and the output shaft 4 and the chuck 5 are moved to clamp and fix the welded parts. Since the threaded connection has self-locking properties, it prevents the welded parts from loosening and falling off after being fixed.

[0027] Furthermore, in this embodiment, the height adjustment component 6 includes a guide post 61 that is movably inserted into the welding frame 2. A second guide groove 62 is provided on the guide post 61. A connecting structure 63 is provided between the welding frame 2 and the second guide groove 62. By cooperating with the second guide groove through the connecting structure 63, the position of the guide post 61 and the bearing seat 3 is controlled, thereby controlling the height of the chuck 5 and the welded parts. Welded parts of different specifications are adjusted to the same height, which facilitates welding and improves welding efficiency.

[0028] Furthermore, in this embodiment, the connecting structure 63 includes a rack 631 fixedly disposed in the second guide groove 62, a gear 632 rotatably disposed on the welding frame 2 and meshing with the rack 631, and a limiting mechanism 64 disposed on the welding frame 2. When the bearing seat 3 moves up or down, the gear 632 will be driven to rotate, and the limiting mechanism 64 will restrict the gear 632 to prevent it from changing after the position is adjusted.

[0029] It should be noted that in this embodiment, the limiting mechanism 64 includes a rotating shaft 641 fixedly connected to the gear 632. A ratchet 642 is fixedly mounted on the rotating shaft 641. An adjustment cavity that cooperates with the ratchet 642 is opened in the welding frame 2. A pawl 643 that cooperates with the ratchet 642 is provided in the adjustment cavity. By setting the pawl 643 to cooperate with the ratchet 642, the ratchet 642 can only move in one direction. When the bearing seat 3 moves upward, it will not be obstructed. The welded part can move upward and will not be moved downward by gravity after the upward movement is completed.

[0030] Furthermore, in this embodiment, a support plate 644 is fixedly installed inside the adjustment cavity, and a spring 645 is fixedly installed on the support plate 644. The other end of the spring 645 is connected to the pawl 643. The spring 645 provides support force to the pawl 643, so that the pawl 643 and the ratchet 642 are tightly fitted together to prevent slippage.

[0031] More specifically, in this embodiment, the welding frame 2 is provided with a movable groove that communicates with the adjustment cavity, and a connecting column that cooperates with the movable groove is fixedly provided on the pawl 643. The other end of the connecting column is fixedly connected to a toggle block 646. By moving the toggle block 646, the connecting column and the pawl 643 are moved, so that the ratchet 642 can rotate in the opposite direction, so that the bearing seat 3 and the welded parts can be moved down for adjustment.

[0032] Working method: During operation, rotating the turntable 44 drives the screw 43 to rotate, controlling the output shaft 4 and chuck 5 to move and clamp the welded parts. Due to the self-locking property of the threaded connection, the welded parts are prevented from loosening and falling off after being fixed. By moving the bearing seat 3 upward and the welded parts upward, the gear 632 rotates and drives the ratchet 642 to rotate without obstruction. After the upward movement is completed, the pawl 643 engages with the ratchet 642 to limit the ratchet 642 and the gear 632 and prevent them from moving downward under the action of gravity. By moving the actuating block 646, the connecting column and the pawl 643 are moved, so that the ratchet 642 can rotate in the opposite direction, allowing the bearing seat 3 and the welded parts to be moved downward for adjustment.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An auxiliary device for laser welding, comprising a base (1) and a welding frame (2), characterized in that, The welding frame (2) has a bearing seat (3), an output shaft (4) is slidably arranged on the bearing seat (3), a chuck (5) is rotatably arranged on the output shaft (4), and a height adjustment component (6) is arranged between the welding frame (2) and the bearing seat (3). The output shaft (4) is provided with a first guide groove (41), and the bearing seat (3) is fixedly provided with a guide part (42) that cooperates with the first guide groove (41). A screw (43) is rotatably provided on the guide part (42), and the screw (43) is threadedly connected to the output shaft (4). A turntable (44) is fixedly provided on the screw (43).

2. The auxiliary device for laser welding according to claim 1, characterized in that: The height adjustment component (6) includes a guide post (61) that is movably inserted into the welding frame (2). A second guide groove (62) is provided on the guide post (61), and a connection structure (63) is provided between the welding frame (2) and the second guide groove (62).

3. The auxiliary device for laser welding according to claim 2, characterized in that: The connecting structure (63) includes a rack (631) fixedly disposed in the second guide groove (62), a gear (632) rotatably disposed on the welding frame (2) and meshing with the rack (631), and a limit mechanism (64) disposed on the welding frame (2).

4. The auxiliary device for laser welding according to claim 3, characterized in that: The limiting mechanism (64) includes a rotating shaft (641) fixedly connected to the gear (632), a ratchet (642) fixedly mounted on the rotating shaft (641), and an adjustment cavity that cooperates with the ratchet (642) is provided in the welding frame (2), and a pawl (643) that cooperates with the ratchet (642) is provided in the adjustment cavity.

5. An auxiliary device for laser welding according to claim 4, characterized in that: A support plate (644) is fixedly installed inside the adjustment cavity, and a spring (645) is fixedly installed on the support plate (644). The other end of the spring (645) is connected to the pawl (643).

6. An auxiliary device for laser welding according to claim 5, characterized in that: The welding frame (2) is provided with a movable groove that communicates with the adjustment cavity. A connecting post that cooperates with the movable groove is fixedly provided on the pawl (643). A toggle block (646) is fixedly connected to the other end of the connecting post.

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