An auxiliary clamping device for robot laser welding

Abstract

The utility model relates to a kind of clamping devices, specifically, a kind of auxiliary clamping device for robot laser welding is provided.The utility model relates to a kind of clamping devices, specifically, a kind of auxiliary clamping device for robot laser welding is provided.The utility model discloses a base is equipped with moving mechanism on the base, the moving mechanism includes two slidingly connected in the moving plate of base upside, the top of the moving plate is equipped with clamping mechanism, and clamping mechanism is clamped to the position of plate-shaped workpiece and adjusts plate-shaped workpiece.The utility model, through the region of plate-shaped workpiece close to welding place is clamped and fixed by positioning assembly, shorten the distance between plate-shaped workpiece welding place and clamping place, subsequently by moving assembly two plate-shaped workpieces are driven to move towards each other and make it contact, at this time worker drives adjusting assembly rotation by tool and makes it drive plate-shaped workpiece rotation, to adjust the position of plate-shaped workpiece, make two plate-shaped workpieces the position of each other contact keep flush, to facilitate worker plate-shaped workpiece is fixed on clamping structure and is adjusted, to improve the welding efficiency of plate-shaped workpiece.

Description

Technical Field

[0001] This utility model relates to a clamping device, specifically, to an auxiliary clamping device for robotic laser welding. Background Technology

[0002] Laser welding robots are devices that use semiconductor lasers as the heat source to weld workpieces. They are non-contact and provide short-duration localized heating, resulting in minimal thermal impact on the substrate and surrounding parts. This leads to high-quality welds, no soldering tip consumption, no need to replace the heater, and high efficiency during continuous operation. To maintain stability during the welding process, a clamping device is used to hold and fix the workpiece, improving its stability. Existing clamping devices, when clamping thin plate-shaped workpieces 4, typically clamp only one end of the workpiece 4, with the ends of two plate-shaped workpieces 4 close together for clamping. However, the distance between the weld joint of the plate-shaped workpiece 4 and the workpiece is not ideal. The clamping points are far apart. Due to the insufficient strength of the thin plate-shaped workpiece 4, the area of ​​the plate-shaped workpiece 4 away from the clamping point bends. Therefore, the operator needs to spend a long time adjusting the plate-shaped workpiece 4 to keep the contact position of the two plate-shaped workpieces 4 stable. At the same time, if the clamping device shakes, it is easy to cause the end of the plate-shaped workpiece 4 away from the clamping point to swing, causing the two plate-shaped workpieces 4 to be misaligned, which will affect the subsequent welding of the plate-shaped workpiece 4. There is also the option of clamping and fixing the contact position of the two plate-shaped workpieces 4. However, the clamping device blocks the area of ​​the plate-shaped workpiece 4 near the clamping point, resulting in the blocked area of ​​the plate-shaped workpiece 4 not being welded. Therefore, in view of this, we propose an auxiliary clamping device for robotic laser welding. Summary of the Invention

[0003] The purpose of this invention is to provide an auxiliary clamping device for robotic laser welding, so as to solve the problem mentioned in the background art that the clamping device is unstable in clamping plate-shaped workpieces, which affects the welding efficiency of plate-shaped workpieces.

[0004] To address the aforementioned problems, the present invention aims to provide an auxiliary clamping device for robotic laser welding, comprising a base, a moving mechanism on the base, and two moving plates slidably connected to the upper side of the base. A clamping mechanism is located on the top of each moving plate. During movement, the moving plates drive the clamping mechanisms to move. When the clamping mechanisms clamp a plate-shaped workpiece, the moving mechanism drives the two clamping mechanisms and the plate-shaped workpiece to move towards each other, with the two moving plate-shaped workpieces contacting each other at their closest points. The clamping mechanism adjusts the position of the plate-shaped workpiece. The clamping mechanism includes an adjusting component mounted on the moving plate, and a positioning component on the adjusting component. When the positioning component clamps the plate-shaped workpiece, the adjusting component drives the positioning component to rotate, causing it to make a small-angle fine adjustment of the plate-shaped workpiece, thereby adjusting the position of the plate-shaped workpiece so that the two plate-shaped workpieces are flush with each other.

[0005] As a further improvement to this technical solution, the top of the movable plate is provided with a mounting groove that penetrates the movable plate. The adjustment component includes a mounting frame disposed inside the mounting groove. The positioning component is disposed on the mounting frame. During the rotation of the mounting frame, the positioning component is driven to make small-angle fine adjustments. When the positioning component clamps the plate-shaped workpiece, the rotating positioning component drives the plate-shaped workpiece to rotate, thereby adjusting the position of the plate-shaped workpiece.

[0006] As a further improvement to this technical solution, two first mounting blocks are fixedly connected to the upper and lower positions of one side of the movable plate near the mounting bracket. A first screw is rotatably connected between the two mounting blocks. A first slider that is rotatably connected to one side of the mounting bracket is threaded onto the first screw. The rotating first screw drives the first slider to move, causing one end of the mounting bracket to move up or down.

[0007] As a further improvement to this technical solution, two second mounting blocks are fixedly connected to one side of the movable plate near the other end of the mounting bracket, above and below it. A second screw is rotatably connected between the two second mounting blocks. A second slider is threaded onto the second screw and rotatably connected to one side of the mounting bracket. A sliding rod is fixedly connected to the side of the second slider near the mounting bracket. A sliding groove is provided on the side of the mounting bracket near the second slider. The sliding rod is slidably connected inside the sliding groove. The rotating second screw drives the second slider to move, causing it to move the other end of the mounting bracket upward or downward through the sliding rod.

[0008] As a further improvement to this technical solution, the positioning component includes a support frame fixedly connected to the mounting frame. A support plate is fixedly connected to the bottom of the support frame on the side away from the mounting frame. A positioning plate is rotatably connected to the upper side of the support plate near both ends by a torsion spring. When the plate-shaped workpiece is placed on the support frame and the support plate, the torsion spring drives the positioning plate to rotate towards the support plate. During the rotation, the positioning plate presses the plate-shaped workpiece against the support plate to fix the plate-shaped workpiece.

[0009] As a further improvement to this technical solution, several electric telescopic rods are provided on the sides of the two movable plates that are far apart from each other. The electric telescopic rods are fixed on the base, and the piston rods of the electric telescopic rods are fixedly connected to one side of the movable plates. The piston rods of the electric telescopic rods drive the movable plates to move during the extension and retraction process.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This robotic laser welding auxiliary clamping device clamps and fixes the plate-shaped workpiece near the welding area using a positioning component, shortening the distance between the welding area and the clamping area. Then, a moving component moves the two plate-shaped workpieces closer to each other until they come into contact. At this point, the operator uses a tool to drive the adjusting component to rotate, causing the plate-shaped workpieces to rotate and adjust their positions so that the two plate-shaped workpieces are flush with each other. This makes it easier for the operator to fix the plate-shaped workpieces on the clamping structure and make adjustments, thereby improving the welding efficiency of the plate-shaped workpieces. Attached Figure Description

[0012] Figure 1 This is an assembly diagram of the overall structure and plate-shaped workpiece of this utility model;

[0013] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 3 This is one of the assembly diagrams of the movable plate and the adjustment component in this utility model;

[0015] Figure 4 This is the second assembly diagram of the movable plate and the adjustment component in this utility model;

[0016] Figure 5 This is a partial structural diagram of the adjustment component in this utility model;

[0017] Figure 6 This is one of the structural schematic diagrams of the positioning component in this utility model;

[0018] Figure 7 This is the second structural schematic diagram of the positioning component in this utility model;

[0019] Figure 8 This is the third structural schematic diagram of the positioning component in this utility model.

[0020] The meanings of the labels in the diagram are as follows:

[0021] 1. Base;

[0022] 2. Moving mechanism; 21. Moving plate; 22. Mounting slot; 23. Electric telescopic rod;

[0023] 3. Clamping mechanism; 31. Mounting bracket; 311. Slide groove; 32. First screw; 321. First slider; 33. Second screw; 331. Second slider; 332. Slide rod; 34. Support frame; 341. Support plate; 342. Positioning plate;

[0024] 4. Plate-shaped workpieces. Detailed Implementation

[0025] 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. Example

[0026] Please see Figure 1 - Figure 3 As shown, the purpose of this embodiment is to provide an auxiliary clamping device for robotic laser welding, including a base 1. A moving mechanism 2 is provided on the base 1. The moving mechanism 2 includes two moving plates 21 slidably connected to the upper side of the base 1. Several electrically operated telescopic rods 23 are provided on the sides of the two moving plates 21 that are far apart from each other. The electrically operated telescopic rods 23 are fixed to the base 1, and the piston rods of the electrically operated telescopic rods 23 are fixedly connected to one side of the moving plates 21. During the extension and retraction process, the piston rods of the electrically operated telescopic rods 23 drive the moving plates 21 to move. A clamping device is provided on the top of the moving plates 21. During the movement of the moving plate 21, the clamping mechanism 3 moves. After the clamping mechanism 3 clamps the plate-shaped workpiece 4, the moving mechanism 2 drives the two clamping mechanisms 3 and the plate-shaped workpiece 4 to move towards each other. The two moving plate-shaped workpieces 4 are in contact at their closest ends. The clamping mechanism 3 adjusts the position of the plate-shaped workpiece 4. The clamping mechanism 3 includes an adjustment component set on the moving plate 21. The adjustment component is equipped with a positioning component. After the positioning component clamps the plate-shaped workpiece 4, the adjustment component drives the positioning component to rotate so that it drives the plate-shaped workpiece 4 to make a small angle adjustment.

[0027] In the initial state, the piston rod of the electric telescopic rod 23 is in a retracted state, and the two moving plates 21 are in a position far apart from each other. The operator places the plate-shaped workpiece 4 on the adjustment component and the positioning component. The positioning component clamps and fixes the plate-shaped workpiece 4 near the welding point. At the same time, the position of the plate-shaped workpiece 4 on the positioning component is adjusted to shorten the distance between the welding point of the plate-shaped workpiece 4 and the position where the plate-shaped workpiece 4 is clamped by the positioning component. This makes it easier for the external force on the plate-shaped workpiece 4 to be offset by the clamping point, thereby reducing the probability of the plate-shaped workpiece 4 shaking. Subsequently, the piston rod of the electric telescopic rod 23 extends and drives the moving plates 21 to move towards each other. During the movement, the moving plates 21 drive the clamping mechanism 3 and the plate-shaped workpiece 4 to move, so that the two plate-shaped workpieces 4 are in close contact at their closest points. At this time, the operator drives the positioning component to rotate through the adjustment component. The rotating positioning component drives the plate-shaped workpiece 4 to make small-angle fine adjustments, so that the contact points of the two plate-shaped workpieces 4 are aligned, which facilitates the subsequent welding of the plate-shaped workpiece 4 by the laser welding robot.

[0028] refer to Figure 4 - Figure 6 The top of the movable plate 21 is provided with a mounting groove 22 that penetrates the movable plate 21. The mounting groove 22 is convex in shape. The adjustment component includes a mounting bracket 31 disposed inside the mounting groove 22. The mounting bracket 31 is U-shaped. One side of the mounting bracket 31 penetrates the mounting groove 22 and extends outward. The positioning component is disposed on the mounting bracket 31. During the rotation of the mounting bracket 31, the positioning component is driven to make small-angle fine adjustments.

[0029] Among them, two first mounting blocks are fixedly connected to the upper and lower positions of one side of the movable plate 21 near the end of the mounting frame 31. A first screw 32 is rotatably connected between the two mounting blocks. A first slider 321, which is rotatably connected to one side of the mounting frame 31, is threaded onto the first screw 32. The rotating first screw 32 drives the first slider 321 to move, causing it to move one end of the mounting frame 31 up or down.

[0030] Two second mounting blocks are fixedly connected to one side of the movable plate 21, above and below the other end of the mounting bracket 31. A second screw 33 is rotatably connected between the two second mounting blocks. A second slider 331, rotatably connected to one side of the mounting bracket 31, is threaded onto the second screw 33. A sliding rod 332 is fixedly connected to the side of the second slider 331 near the mounting bracket 31. A groove 311 is formed on the side of the mounting bracket 31 near the second slider 331. The sliding rod 332 is slidably connected inside the groove 311. The sliding rod 332 and the groove 311 form a T-shape. The second slider 331 and the mounting bracket 31 are connected together through the sliding rod 332 and the groove 311, preventing the sliding rod 332 from being slid out of the mounting bracket 31. 2. The second slider 331 is separated from the mounting frame 31 by moving out of the inside of the slide groove 311. When the second slider 331 moves, it drives the mounting frame 31 to move. The rotating second screw 33 drives the second slider 331 to move so that it drives the other end of the mounting frame 31 to move up or down through the slide rod 332 and the slide groove 311. At the same time, the slide rod 332 is in close contact with the inner wall of the slide groove 311. When the first slider 321 and the second slider 331 stop moving, the mounting frame 31 and the positioning assembly stop rotating due to the restriction of the first slider 321 and the slide rod 332. This keeps the plate-shaped workpiece 4 on the positioning assembly in a stationary state, which facilitates the subsequent welding of the plate-shaped workpiece 4 by the laser welding robot.

[0031] As the first slider 321 and the second slider 331 drive the two ends of the mounting frame 31 to move upward or downward respectively, the horizontal distance between the first slider 321 and the second slider 331 and the initial connection point of the mounting frame 31 changes, causing the slide bar 332 to slide along the axial direction of the slide groove 311. Under the mutual constraint between the first screw 32, the first slider 321 and the second screw 33, and the second slider 331, the moving first slider 321 and the second slider 331 drive the mounting frame 31 to rotate, causing it to drive the positioning component and the plate-shaped workpiece 4 to make a small angle adjustment, so that the two plate-shaped workpieces 4 are aligned.

[0032] refer to Figure 7 - Figure 8The positioning assembly includes a support frame 34 fixedly connected to the mounting frame 31. A support plate 341 is fixedly connected to the bottom of the support frame 34 on the side away from the mounting frame 31. A positioning plate 342 is rotatably connected to the upper side of the support plate 341 near both ends via a torsion spring. The torsion spring drives the positioning plate 342 to rotate towards the support plate 341. When it is necessary to clamp the plate-shaped workpiece 4, the operator pulls the positioning plate 342 to rotate away from the support plate 341. Then, the operator places the plate-shaped workpiece 4 on the support frame 34 and the support plate 341, so that the support frame 34 and the support plate 341 support the plate-shaped workpiece 4. At this time, the operator releases the positioning plate 342, so that the torsion spring drives the positioning plate 342 to rotate. The rotating positioning plate 342 presses the plate-shaped workpiece 4 onto the support plate 341, and the plate-shaped workpiece 4 is clamped and fixed by the positioning plate 342 and the support plate 341.

[0033] When using this device:

[0034] The worker pulls the positioning plate 342 to rotate it away from the support plate 341. Then the worker places the plate-shaped workpiece 4 on the support frame 34 and the support plate 341. At this time, the torsion spring drives the positioning plate 342 to rotate so that it presses the plate-shaped workpiece 4 onto the support plate 341 to fix the plate-shaped workpiece 4 on the positioning assembly.

[0035] After the plate-shaped workpiece 4 is fixed, the piston rod of the electric telescopic rod 23 extends and drives the moving plate 21 to move. During the movement, the moving plate 21 drives the clamping mechanism 3 and the plate-shaped workpiece 4 to move towards each other, so that the two plate-shaped workpieces 4 are in close contact at their closest ends.

[0036] Meanwhile, the staff uses a wrench to turn the first screw 32 and the second screw 33. The rotating first screw 32 and the second screw 33 drive the first slider 321 and the second slider 331 to move respectively. During the movement, the first slider 321 and the second slider 331 drive the mounting frame 31 to rotate. The rotating mounting frame 31 drives the positioning component and the plate-shaped workpiece 4 to make small-angle fine adjustments, so that the contact positions of the two plate-shaped workpieces 4 are flush, which facilitates the subsequent laser robot welding of the plate-shaped workpieces 4.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An auxiliary clamping device for robotic laser welding, comprising a base (1), characterized in that: The base (1) is provided with a moving mechanism (2). The moving mechanism (2) includes two moving plates (21) slidably connected to the upper side of the base (1). The top of the moving plate (21) is provided with a clamping mechanism (3). The moving plate (21) drives the clamping mechanism (3) to move during the movement. When the clamping mechanism (3) clamps the plate-shaped workpiece (4), the moving mechanism (2) drives the two clamping mechanisms (3) and the plate-shaped workpiece (4) to move towards each other. The two moving plate-shaped workpieces (4) are in contact at their closest ends. The clamping mechanism (3) adjusts the position of the plate-shaped workpiece (4). The clamping mechanism (3) includes an adjusting component provided on the moving plate (21). The adjusting component is provided with a positioning component. When the positioning component clamps the plate-shaped workpiece (4), the adjusting component drives the positioning component to rotate so that it drives the plate-shaped workpiece (4) to make a small angle adjustment.

2. The auxiliary clamping device for robot laser welding according to claim 1, characterized in that: The top of the movable plate (21) is provided with a mounting groove (22) that passes through the movable plate (21). The adjustment component includes a mounting bracket (31) disposed inside the mounting groove (22). The positioning component is disposed on the mounting bracket (31). The mounting bracket (31) drives the positioning component to make small-angle fine adjustments during rotation.

3. The auxiliary clamping device for robotic laser welding according to claim 2, characterized in that: Two first mounting blocks are fixedly connected to one side of the movable plate (21) near the top and bottom of the mounting bracket (31). A first screw (32) is rotatably connected between the two mounting blocks. A first slider (321) is threaded onto the first screw (32) and rotatably connected to one side of the mounting bracket (31). The rotating first screw (32) drives the first slider (321) to move, causing one end of the mounting bracket (31) to move up or down.

4. The auxiliary clamping device for robot laser welding according to claim 2, characterized in that: Two second mounting blocks are fixedly connected to one side of the movable plate (21) near the other end of the mounting frame (31), above and below. A second screw (33) is rotatably connected between the two second mounting blocks. A second slider (331) is threaded onto the second screw (33) and rotatably connected to one side of the mounting frame (31). A sliding rod (332) is fixedly connected to the side of the second slider (331) near the mounting frame (31). A sliding groove (311) is provided on the side of the mounting frame (31) near the second slider (331). The sliding rod (332) is slidably connected inside the sliding groove (311).

5. The auxiliary clamping device for robotic laser welding according to claim 2, characterized in that: The positioning component includes a support frame (34) fixedly connected to the mounting frame (31). A support plate (341) is fixedly connected to the bottom of the support frame (34) on the side away from the mounting frame (31). A positioning plate (342) is rotatably connected to the upper side of the support plate (341) near both ends by a torsion spring. The torsion spring drives the positioning plate (342) to rotate toward the support plate (341).

6. The auxiliary clamping device for robotic laser welding according to claim 1, characterized in that: Each of the two movable plates (21) is provided with a number of electric telescopic rods (23) on the side away from each other. The electric telescopic rods (23) are fixed on the base (1), and the piston rod of the electric telescopic rod (23) is fixedly connected to one side of the movable plate (21). The piston rod of the electric telescopic rod (23) drives the movable plate (21) to move during the extension and retraction process.

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