A positioning device for welding

Abstract

This utility model discloses a positioning device for welding, relating to the field of welding auxiliary tooling technology, comprising: a workbench; a groove body disposed on the upper surface of the workbench, the groove body being provided with a first driving component; a pair of horizontal plates, the pair of horizontal plates being horizontally slidably disposed on the top of the groove body, the first driving component being used to drive the pair of horizontal plates to move towards or away from each other; and two pairs of vertical plates, each pair of vertical plates being disposed opposite each other on the top of the horizontal plates. This utility model uses a pair of cylinders on a rotating plate to drive a pair of fixing blocks to clamp and fix the workpiece. The rotating plate is rotatably disposed on the vertical plates, allowing for convenient adjustment of the circumferential position after the workpiece is fixed, eliminating the need for repeated assembly and disassembly of the workpiece on the fixing components, thus improving operation efficiency. Furthermore, the rotating plate is fixed by a threaded rod to prevent workpiece displacement during welding, thereby enhancing overall stability.

Description

Technical Field

[0001] This utility model relates to the field of welding auxiliary equipment technology, specifically a positioning device for welding. Background Technology

[0002] Welding, a key process for joining metal components in modern manufacturing, uses heating, pressurization, or both to create atomic bonds between workpieces. It is widely used in machinery manufacturing, construction engineering, aerospace, and other fields. Precise positioning devices are crucial during welding, ensuring that the workpieces are in the predetermined positions, effectively preventing welding defects caused by positional deviations, and improving welding quality and production efficiency.

[0003] However, when welding is completed at one part of a workpiece and welding is required at different parts in the circumference, the existing welding positioning device requires disassembling the workpiece, adjusting its position, and then fixing it. This operation is cumbersome and results in low welding efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a welding positioning device to solve the problem that when welding is completed at one part of a workpiece and welding is required at different parts in the circumferential direction, existing welding positioning devices require disassembling the workpiece, adjusting its position, and then fixing it, which is cumbersome and results in low welding efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for welding, comprising:

[0006] Workbench;

[0007] A trough is disposed on the upper surface of the workbench, and a first drive assembly is disposed on the trough;

[0008] A pair of horizontal plates are horizontally slidably disposed on the top of the groove, and the first driving component is used to drive the pair of horizontal plates to move towards each other or away from each other;

[0009] Two pairs of upright plates are arranged opposite each other on the top of the horizontal plate. Each upright plate is rotatably provided with a limiting component for fixing the workpiece. At least one upright plate on the top of each horizontal plate is provided with a locking component for preventing the limiting component from rotating.

[0010] Preferably, the first driving component includes:

[0011] A positive and negative threaded screw, wherein a first sliding groove is provided in the groove, the positive and negative threaded screw is rotatably disposed in the first sliding groove, a servo motor is provided on the upper surface of the worktable, and the output shaft of the servo motor is connected to one end of the positive and negative threaded screw;

[0012] A pair of transmission blocks are slidably disposed in a first slide groove and threadedly connected to a positive and negative threaded screw. The servo motor enables the pair of transmission blocks to move toward each other or backwards. The top of the pair of transmission blocks is connected to the bottom of a pair of horizontal plates.

[0013] Preferably, each set of the limiting components includes:

[0014] A rotating plate is rotatably mounted on an upright plate, and a through groove is provided at the center of the rotating plate;

[0015] A pair of fixing plates, the pair of fixing plates being disposed opposite each other on the rotating plate and located on both sides of the through groove;

[0016] A pair of cylinders, which are positioned opposite each other and pass through a pair of fixed plates;

[0017] A pair of connecting rods, wherein the pair of connecting rods are disposed on the telescopic ends of a pair of cylinders;

[0018] A pair of fixing blocks are arranged opposite to each other on a pair of connecting rods.

[0019] Preferably, the fixing block has a V-shaped groove.

[0020] Preferably, the upright plate has a circular through hole, and a first bearing is disposed in the through hole, the inner ring of the first bearing being connected to the rotating plate.

[0021] Preferably, the locking assembly includes:

[0022] A fixing ring is provided on the upright plate;

[0023] A threaded rod, which is threadedly connected to a fixed ring, and the end of the threaded rod can abut against a rotating plate;

[0024] A shaft locking device is mounted on a retaining ring and is used to lock and fix the threaded rod.

[0025] This utility model provides a positioning device for welding, which has the following advantages:

[0026] 1. This utility model uses a pair of cylinders on a rotating plate to drive a pair of fixing blocks to clamp and fix the workpiece. The rotating plate is mounted on the vertical plate, which makes it easy to adjust the circumferential position after the workpiece is fixed. There is no need to repeatedly install and remove the workpiece from the fixing parts, which is convenient and improves the processing efficiency. The rotating plate is fixed by a threaded rod to prevent the workpiece from shifting during the welding process, thereby enhancing the overall stability.

[0027] 2. The cross-section of the second slide groove of this utility model is triangular, and the bottom of the connecting rod is provided with a slider whose cross-section matches the shape of the second slide groove, so as to prevent the connecting rod from falling off the rotating plate. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0029] Figure 2 This is a top view of the present invention;

[0030] Figure 3 This utility model Figure 2 A cross-sectional view along the AA direction;

[0031] Figure 4 This is a structural schematic diagram of the neutral plate, fixing component, and locking component of this utility model;

[0032] Figure 5 This is a three-dimensional structural diagram of the neutral plate, fixing component, and locking component of this utility model.

[0033] In the diagram: 1. Workbench; 2. Slot; 2-1. First slide groove; 3. Servo motor; 4. Positive and negative threaded screws; 5. Transmission block; 6. Horizontal plate; 7. Vertical plate; 8. First bearing; 9. Rotating plate; 9-1. Through slot; 10. Second slide groove; 11. Connecting rod; 12. Fixing plate; 13. Fixing block; 14. Cylinder; 15. Fixing ring; 19. Shaft locking device; 17. Threaded rod. Detailed Implementation

[0034] 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.

[0035] Please see Figure 1-5 This utility model provides a technical solution: a positioning device for welding, comprising:

[0036] Workbench 1;

[0037] Specifically, the bottom of the workbench 1 is provided with four evenly distributed support legs, which are used to support the workbench 1.

[0038] The tank 2 is set on the upper surface of the worktable 1, and the first drive component is set on the tank 2.

[0039] For example, tank 2 is rectangular;

[0040] A pair of horizontal plates 6 are horizontally slidably disposed on the top of the groove 2. The first drive assembly is used to drive the pair of horizontal plates 6 to move towards each other or away from each other.

[0041] Two pairs of upright plates 7 are arranged opposite each other on the top of the horizontal plate 6. Each upright plate 7 is rotatably provided with a limiting component for fixing the workpiece. At least one upright plate 7 on the top of each horizontal plate 6 is provided with a locking component for preventing the limiting component from rotating.

[0042] Specifically, each workpiece to be welded is inserted into a pair of limiting components on each pair of upright plates 7. The workpiece is fixed by the pair of limiting components. After both workpieces are fixed, the first driving component drives the pair of workpieces to move towards each other so that the workpieces to be welded come into contact. During welding, the locking component prevents the limiting components from rotating on the upright plates 7. After welding at one point, the pair of limiting components are rotated to adjust the position and then fixed by the locking component.

[0043] As one embodiment of this utility model, the first driving component includes:

[0044] The positive and negative threaded screw 4 has a first sliding groove 2-1 opened in the groove 2. The positive and negative threaded screw 4 is rotatably set in the first sliding groove 2-1. The upper surface of the worktable 1 is provided with a servo motor 3. The output shaft of the servo motor 3 is connected to one end of the positive and negative threaded screw 4.

[0045] Specifically, a pair of second bearings are provided on both sides of the groove 2, and the two ends of the positive and negative threaded screws 4 are set on the inner rings of the second bearings. The output shaft of the servo motor 3 is connected to the positive and negative threaded screws 4 through a coupling.

[0046] A pair of transmission blocks 5 are slidably disposed in the first slide groove 2-1 and threadedly connected to the positive and negative thread screws 4. The servo motor 3 enables the pair of transmission blocks 5 to move towards each other or away from each other. The top of the pair of transmission blocks 5 is connected to the bottom of the pair of horizontal plates 6.

[0047] Specifically, a pair of transmission blocks 5 are threadedly connected to the positive and negative threads of the positive and negative threaded screws 4. Under the limiting action of the first slide groove 2-1 on the transmission blocks 5, when the output shaft of the servo motor 3 rotates, it can drive the pair of transmission blocks 5 to move towards or away from each other.

[0048] As one embodiment of this utility model, each set of limiting components includes:

[0049] Rotating plate 9 is rotatably mounted on vertical plate 7, and a through groove 9-1 is provided at the center of rotating plate 9;

[0050] For example, the shape of the through groove 9-1 can be circular or rectangular, and no specific limitation is made here;

[0051] A pair of fixing plates 12 are arranged opposite to each other on the rotating plate 9 and located on both sides of the through groove 9-1;

[0052] A pair of cylinders 14 are mounted opposite to and through a pair of fixed plates 12;

[0053] A pair of connecting rods 11 are provided on the telescopic ends of a pair of cylinders 14;

[0054] A pair of fixing blocks 13 are disposed opposite to a pair of connecting rods 11;

[0055] Specifically, a pair of second slide grooves 10 are provided on the rotating plate. The cross-section of the second slide groove 10 is triangular, and a slider with a cross-section matching the shape of the second slide groove 10 is provided at the bottom of the connecting rod 11.

[0056] As an embodiment of this utility model, a V-shaped groove is provided on the fixing block 13;

[0057] Specifically, when the workpiece is a cylindrical shape with a circular cross-section, the fixing block 13 with a V-groove can achieve the self-centering function of the workpiece, which is convenient for personnel to operate.

[0058] As an embodiment of this utility model, a circular through hole is provided on the upright plate 7, and a first bearing 8 is provided in the through hole. The inner ring of the first bearing 8 is connected to the rotating plate 9.

[0059] Specifically, the rotating plate 9 is connected to the vertical plate 7 via the first bearing 8, which allows the rotating plate 9 to rotate relative to the vertical plate 7.

[0060] As one embodiment of this utility model, the locking assembly includes:

[0061] Fixing ring 15, the fixing ring 15 is set on the upright plate 7;

[0062] Specifically, the fixing ring 15 is located on the outside of the rotating plate 9;

[0063] Threaded rod 17 is threadedly connected to fixed ring 15, and the end of threaded rod 17 can abut against rotating plate 9;

[0064] Specifically, by screwing the threaded rod 17, the end of the threaded rod 17 is pressed against the rotating plate 9 to prevent the rotating plate 9 from rotating;

[0065] Shaft locking device 19 is mounted on retaining ring 15 and is used to lock and fix threaded rod 17.

[0066] Specifically, after fixing the rotating plate 9 with the threaded rod 17, the threaded rod 17 is locked with the shaft locking device 19 to prevent the threaded rod 17 from rotating again.

[0067] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical connections between the various electrical components are completed in sequence. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0068] The working principle and usage process of this utility model are as follows: When in use, the workpiece is first embedded into a pair of through slots 9-1 opened at the center of a pair of rotating plates 9 on the top of the horizontal plate 6. Then, a pair of cylinders 14 on each vertical plate 7 are activated to extend the telescopic end of the cylinder 14. The telescopic end of the cylinder 14 drives the connected connecting rod 11 to move towards the through slot 9-1. The connecting rod 11 drives the fixing block 15 to move towards the through slot 9-1, thereby clamping and fixing the workpiece with a pair of fixing blocks 13. In the same way, another workpiece to be welded is fixed on the two sets of fixing components on the other side.

[0069] Next, the servo motor 3 set on the upper surface of the workbench 1 is started. The output shaft of the servo motor 3 drives the connected positive and negative threaded screws 4 to rotate. The positive and negative threaded screws 4 drive a pair of threaded transmission blocks 5 to move towards each other in the first slide groove 2-1. The pair of transmission blocks 5 drive a pair of horizontal plates 6 to move towards each other. The pair of horizontal plates 6 drive two pairs of vertical plates 7 to move towards each other. The two pairs of vertical plates 7 drive the four sets of fixed components set on them to move, thereby making the ends of a pair of workpieces contact each other. The operator screws each threaded rod 17 so that the end of the threaded rod 17 abuts against the rotating plate 9. Then the threaded rod 17 is locked and fixed with the shaft locking device 19. The operator then performs welding on a pair of workpieces.

[0070] After welding one part of the workpiece, the threaded rod 17 is fixed by the contact shaft locking device 19, and then the threaded rod 17 is turned in the opposite direction to rotate and adjust the circumferential position of a pair of workpieces. The turntable is then fixed by the threaded rod 17, and finally the threaded rod 17 is locked by the shaft locking device 19.

[0071] 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 positioning device for welding, characterized in that, include: Workbench (1); The groove (2) is disposed on the upper surface of the workbench (1), and the groove (2) is provided with a first drive assembly; A pair of horizontal plates (6) are horizontally slidably disposed on the top of the groove (2), and the first driving component is used to drive the pair of horizontal plates (6) to move towards each other or away from each other; Two pairs of upright plates (7) are arranged opposite each other on the top of the horizontal plate (6). Each upright plate (7) is rotatably provided with a limiting component for fixing the workpiece. At least one upright plate (7) on the top of each horizontal plate (6) is provided with a locking component for preventing the limiting component from rotating.

2. The positioning device for welding according to claim 1, characterized in that, The first driving component includes: A positive and negative threaded screw (4) is provided in the groove (2), and the positive and negative threaded screw (4) is rotatably arranged in the first slide groove (2-1). A servo motor (3) is provided on the upper surface of the worktable (1), and the output shaft of the servo motor (3) is connected to one end of the positive and negative threaded screw (4). A pair of transmission blocks (5) are slidably disposed in the first slide groove (2-1) and threadedly connected to the positive and negative thread screws (4). The servo motor (3) enables the pair of transmission blocks (5) to move towards each other or away from each other. The top of the pair of transmission blocks (5) is connected to the bottom of a pair of horizontal plates (6).

3. The positioning device for welding according to claim 1, characterized in that, Each set of limiting components includes: A rotating plate (9) is rotatably mounted on a vertical plate (7), and a through groove (9-1) is provided at the center of the rotating plate (9); A pair of fixing plates (12) are arranged opposite to each other on the rotating plate (9) and located on both sides of the through groove (9-1); A pair of cylinders (14) are mounted opposite each other and through a pair of fixed plates (12); A pair of connecting rods (11), the pair of connecting rods (11) being disposed on the telescopic ends of a pair of cylinders (14); A pair of fixing blocks (13) are arranged opposite to each other on a pair of connecting rods (11).

4. A positioning device for welding according to claim 3, characterized in that, The fixing block (13) has a V-shaped groove.

5. A positioning device for welding according to claim 3, characterized in that, The upright plate (7) has a circular through hole, and a first bearing (8) is installed in the through hole. The inner ring of the first bearing (8) is connected to the rotating plate (9).

6. A positioning device for welding according to claim 1, characterized in that, The locking assembly includes: A fixing ring (15) is provided on the upright plate (7); A threaded rod (17) is threadedly connected to a retaining ring (15), and the end of the threaded rod (17) can abut against a rotating plate (9); A shaft locking device (19) is provided on a retaining ring (15) and is used to lock and fix the threaded rod (17).

Images