A fixing device for steel structure welding

Abstract

The utility model relates to a kind of fixing device for steel structure welding, to solve the technical problem that current cannot clamp pipe body, and cannot carry out rotary welding another side when welding, including workbench, workbench side is equipped with two slideways, two slideways are all slidably matched with moving block, one end of two moving blocks is all equipped with a set of baffle, a set of baffle is divided into two baffles alone, rotating member and gear are all provided between two baffles, the side of a baffle is equipped with self-locking motor, the output of self-locking motor passes through the side of baffle and is connected with a gear, gear is all engaged with the outer tooth of outer gear ring;The utility model can flexibly adjust the interval of two sets of baffles by slideway and moving block, adopts planetary gear set and gear engagement transmission, cooperates self-locking motor drive, and cooperates clamping piece firm and rotary steel structure piece, telescopic rod enhances structure rigidity and realizes the synchronous rotation of two gears, prevent eccentric load deformation, improve welding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of steel structure welding technology, and in particular to a fixing device for steel structure welding. Background Technology

[0002] In the field of steel structure welding, precise workpiece fixation is one of the key factors to ensure welding quality. Currently, most commonly used welding fixing devices adopt rigid clamping structures, but there are still significant defects in practical applications. Most fixing devices lack dynamic adjustment functions, and the workpiece posture cannot be adjusted in real time during the welding process, which affects efficiency and increases the risk of welding deformation. There is an urgent need for an intelligent fixing device with flexible clamping, multi-directional adjustment and thermal compensation functions to solve the above technical bottlenecks.

[0003] Existing technologies, such as those provided by Chinese utility model patents with publication numbers CN215426907U or CN213031636U, suffer from limitations in clamping mechanisms. These limitations prevent the clamps from effectively conforming to the curved surface of the tube during welding, leading to unstable clamping and affecting welding accuracy. Furthermore, existing clamps lack rotation capabilities, preventing axial rotation of the workpiece during welding. Operators must repeatedly disassemble and reassemble the workpiece to complete the circumferential weld, significantly reducing efficiency and increasing the risk of weld quality degradation due to secondary positioning errors. Therefore, we propose a fixing device for steel structure welding. Summary of the Invention

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a fixing device for steel structure welding, so as to solve the current technical problems of not being able to clamp the pipe body and not being able to rotate and weld the other side during welding.

[0005] To achieve the purpose of this utility model, the technical solution adopted by this utility model is as follows: A fixing device for steel structure welding is designed, including a workbench. Two slide rails are opened on one side of the workbench. Moving blocks are slidably fitted within each of the two slide rails. A set of baffles is installed at one end of each of the two moving blocks. Each set of baffles consists of two separate baffles. A rotating component and a gear are arranged between the two baffles. A self-locking motor is installed on one side of one of the baffles. The output end of the self-locking motor passes through one side of the baffle and connects to a gear. The gears mesh with the external teeth of an external gear ring. The rotating component includes multiple fixed columns fixedly connected between the two baffles. Bearings are installed around the periphery of the multiple fixed columns. Planetary gears are installed around the periphery of the bearings. External gear rings are provided on the surfaces of the multiple planetary gears. The planetary gears mesh with the internal teeth of the external gear rings. A sun gear is rotatably fitted on one side of the sun gear and located between the multiple planetary gears. The sun gear meshes with the planetary gears. A fixed block is fixedly connected to one side of the sun gear. An installation groove is opened inside the sun gear, and a clamping component is installed in the installation groove. A telescopic rod is installed between the two gears, and a driving component is arranged between the sun gear and the clamping component.

[0006] Preferably, the clamping component includes a turntable that is rotatably fitted in the mounting groove, with curved grooves extending through the upper and lower sides of the turntable, a rotating shaft slidingly fitted in the curved grooves, a V-shaped clamping block fixedly connected to the circumference of the rotating shaft, and a driving block fixedly connected to one side of the turntable.

[0007] Preferably, the driving component includes an L-shaped frame fixedly connected to one side of the fixed block. Both sides of the fixed block and the driving block are provided with through slots. A threaded rod is rotatably fitted in the through slot, and one end of the threaded rod extends into the L-shaped frame and is fitted with a first bevel gear.

[0008] Preferably, the driving component further includes a fixed plate fixedly connected within the L-shaped frame. Through holes are provided on the upper and lower sides of the fixed plate, and a rotating rod is rotatably fitted within the through holes. One end of the rotating rod extends to one side and passes through one end of the L-shaped frame to be equipped with a second handwheel. The other end of the rotating rod passes through the fixed plate to be equipped with a second bevel gear. The first bevel gear meshes with the second bevel gear.

[0009] Preferably, U-shaped blocks are fixedly connected to both ends of one side of the workbench, and a bidirectional threaded rod is installed between the two U-shaped blocks. A motor is installed on one side of one of the U-shaped blocks, and the output end of the motor is connected to one end of the bidirectional threaded rod. Two moving blocks are engaged with the circumferential thread of the bidirectional threaded rod.

[0010] Preferably, a plurality of telescopic legs are installed on one side of the worktable and located on both sides of the bidirectional threaded rod, and a pulley is installed at one end of the telescopic legs.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] =This utility model uses a slide rail and a moving block to drive the spacing of two sets of baffles, which can be flexibly adjusted to adapt to steel structural parts of different sizes. It adopts a planetary gear set and gear meshing transmission, combined with a self-locking motor drive, and a clamping part to stabilize and rotate the steel structural parts. The telescopic rod enhances the structural rigidity and realizes the synchronous rotation of the two gears, preventing eccentric load deformation and improving welding efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of one side of the cross-sectional structure of the new movable block tube.

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the external gear ring of this utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the threaded rod of this utility model;

[0017] In the diagram: 1. Workbench; 2. Telescopic leg; 3. U-shaped block; 4. Motor; 5. Two-way threaded rod; 6. Moving block; 7. Baffle; 8. External gear ring; 9. V-shaped clamp; 10. L-shaped frame; 11. Gear; 12. Self-locking motor; 13. Telescopic rod;

[0018] 801. Planetary gear; 802. Bearing; 803. Column; 804. Sun gear; 805. Fixing block;

[0019] 901. Rotating shaft; 902. Turntable; 903. Curved slide; 904. Drive block;

[0020] 1001, Threaded rod; 1002, First bevel gear; 1003, Second bevel gear; 1004, Rotating rod; 1005, Second handwheel; 1006, Fixing plate. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] A fixing device for welding steel structures includes a workbench 1. Two slide rails are provided on one side of the workbench 1. Moving blocks 6 are slidably fitted within each slide rail. A set of baffles 7 is installed at one end of each of the two moving blocks 6. Each set of baffles 7 consists of two separate baffles 7. A rotating component and a gear 11 are arranged between the two baffles 7. A self-locking motor 12 is installed on one side of one of the baffles 7. The output end of the self-locking motor 12 passes through one side of the baffle 7 and connects to a gear 11. All gears 11 mesh with the external teeth of an external gear ring 8. The rotating component includes multiple fixed posts 803 fixedly connected between the two baffles 7. Bearings 802 are installed around the periphery of the multiple fixed posts 803. Planetary gears 801 are installed around the periphery of the bearings 802. An external gear ring 8 is provided on the surface of the multiple planetary gears 801. The planetary gears 801 mesh with the external gear ring 8. The internal teeth of gear 8 mesh, and a sun gear 804 is rotatably fitted on one side of gear 7 and located between multiple planetary gears 801. The sun gear 804 meshes with the planetary gears 801. A fixing block 805 is fixedly connected to one side of the sun gear 804. An installation groove is opened in the sun gear 804, and a clamping component is installed in the installation groove. A telescopic rod 13 is installed between the two gears 11, and a driving component is installed between the sun gear 804 and the clamping component. This utility model can flexibly adjust the distance between the two sets of baffles 7 by using the slide and the moving block 6 to adapt to steel structural parts of different sizes. It adopts the meshing transmission of planetary gear set and gear 11, and is driven by a self-locking motor 12. It also works with the clamping component to stabilize and rotate the steel structural parts. The telescopic rod 13 enhances the structural rigidity and realizes the synchronous rotation of the two gears 11, preventing eccentric deformation and improving welding efficiency.

[0023] Specifically, the clamping component includes a turntable 902 rotatably fitted in a mounting groove. Curved grooves 903 are provided through the upper and lower sides of the turntable 902. A rotating shaft 901 is slidably fitted in the curved grooves 903. A V-shaped clamping block 9 is fixedly connected to the periphery of the rotating shaft 901. A driving block 904 is fixedly connected to one side of the turntable 902. Through the cooperation between the turntable 902 and the curved grooves 903, the clamping component of this utility model allows the V-shaped clamping block 9 to flexibly adjust the clamping angle and position, adapting to the fixing needs of workpieces of different shapes. It has a compact structure and is easy to operate.

[0024] Furthermore, the driving component includes an L-shaped frame 10 fixedly connected to one side of the fixed block 805. Both sides of the fixed block 805 and the driving block 904 have through slots, and a threaded rod 1001 is rotatably fitted in the through slots. One end of the threaded rod 1001 extends into the L-shaped frame 10 and is fitted with a first bevel gear 1002. The structure of this driving component, through the cooperation between the L-shaped frame 10 and the bevel gear set, enables the fixed block 805 to drive the driving block 904 to move via the threaded rod 1001, thereby achieving stable linkage.

[0025] It is worth noting that the driving component also includes a fixed plate 1006 fixedly connected within the L-shaped frame 10. Through holes are provided on both the upper and lower sides of the fixed plate 1006, and a rotating rod 1004 is rotatably fitted within these holes. One end of the rotating rod 1004 extends to one side, passing through the L-shaped frame 10, and a second handwheel 1005 is installed at one end. The other end of the rotating rod 1004 passes through the fixed plate 1006 and is fitted with a second bevel gear 1003. The first bevel gear 1002 meshes with the second bevel gear 1003. This invention, through the cooperative structure of the fixed plate 1006, the rotating rod 1004, the handwheel 1005, and the second bevel gear 1003, achieves the transmission of the first bevel gear 1002, which in turn drives the threaded rod 1001, thereby driving the clamping component and enabling manual adjustment of the clamping component.

[0026] It is worth mentioning that U-shaped blocks 3 are fixedly connected to both ends of one side of the workbench 1, and a bidirectional threaded rod 5 is installed between the two U-shaped blocks 3. A motor 4 is installed on one side of one of the U-shaped blocks 3, and the output end of the motor 4 is connected to one end of the bidirectional threaded rod 5. Two moving blocks 6 are engaged with the circumferential thread of the bidirectional threaded rod 5. This utility model drives the bidirectional threaded rod 5 with the motor 4 to drive the two moving blocks 6 to move synchronously in opposite directions, realizing precise and symmetrical adjustment of the components on the workbench, effectively improving the stability and ease of operation of the equipment.

[0027] It is worth noting that a number of telescopic legs 2 are installed on one side of the workbench 1 and are located on both sides of the bidirectional threaded rod 5. One end of the telescopic legs 2 is equipped with a pulley. This utility model can flexibly adjust the working height of the workbench 1 through the telescopic legs 2, which can facilitate manual work. The pulley design at the bottom facilitates movement and positioning.

[0028] Working principle: In use, the steel structure is placed into the clamping member. Rotating the second handwheel 1005 drives the second bevel gear 1003, which in turn drives the threaded rod 1001. One end of the threaded rod 1001 rotates within the fixed block 805, while the other end drives the drive block 904 to rotate the turntable 902 slightly. The turntable 902 rotates within the sun gear 804. As the turntable 902 rotates, the curved slide groove 903 limits the sliding of the rotating shaft 901, which in turn drives the V-shaped clamping block 9 to advance and clamp. Holding the steel structural components, the starting moving block 6 drives the bidirectional threaded rod 5 to rotate. The bidirectional threaded rod 5, through the moving block 6, drives the baffle 7 to move, bringing the two steel structural components closer together and aligning the welding points. The self-locking motor 12 is then started, driving one gear 11 to rotate. One gear 11, through the telescopic rod 13, drives another gear 11 to rotate. At this time, gear 11 drives the external gear ring 8 to rotate. The external gear ring 8, through multiple planetary gears 801, drives the sun gear 804 to rotate. The sun gear 804 drives the clamping parts and the steel structural components to rotate in place, facilitating welding.

[0029] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A fixing device for welding steel structures, characterized in that, Includes a workbench (1), with two slides on one side of the workbench (1), and a sliding block (6) slidingly fitted in each of the two slides. A set of baffles (7) is installed at one end of each of the two sliding blocks (6). The set of baffles (7) is divided into two separate baffles (7). A rotating part and a gear (11) are provided between the two baffles (7). A self-locking motor (12) is installed on one side of one of the baffles (7). The output end of the self-locking motor (12) passes through one side of the baffle (7) and is connected to a gear (11). The gears (11) mesh with the external teeth of the external gear ring (8). The rotating component includes multiple fixed columns (803) fixedly connected between two baffles (7), bearings (802) are mounted on the periphery of the multiple fixed columns (803), planetary gears (801) are mounted on the periphery of the bearings (802), external gear rings (8) are provided on the surface of the multiple planetary gears (801), the planetary gears (801) mesh with the internal teeth of the external gear rings (8), a sun gear (804) is rotatably fitted on one side of (7) and located between the multiple planetary gears (801), the sun gear (804) meshes with the planetary gears (801), a fixed block (805) is fixedly connected on one side of the sun gear (804), an installation groove is opened in the sun gear (804), and a clamping component is provided in the installation groove; A telescopic rod (13) is installed between the two gears (11), and a drive element is provided between the sun gear (804) and the clamping member.

2. The fixing device for welding steel structures as described in claim 1, characterized in that, The clamping component includes a turntable (902) that is rotatably fitted in the mounting groove. Curved slide grooves (903) are provided through the upper and lower sides of the turntable (902). A rotating shaft (901) is slidably fitted in the curved slide groove (903). A V-shaped clamping block (9) is fixedly connected to the circumference of the rotating shaft (901). A drive block (904) is fixedly connected to one side of the turntable (902).

3. The fixing device for welding steel structures as described in claim 2, characterized in that, The driving component includes an L-shaped frame (10) fixedly connected to one side of the fixed block (805). Both sides of the fixed block (805) and the driving block (904) are provided with through slots. A threaded rod (1001) is rotatably fitted in the through slot. One end of the threaded rod (1001) extends into the L-shaped frame (10) and is fitted with a first bevel gear (1002).

4. The fixing device for welding steel structures as described in claim 3, characterized in that, The drive unit also includes a fixed plate (1006) fixedly connected inside the L-shaped frame (10). The fixed plate (1006) has through holes on its upper and lower sides. A rotating rod (1004) is rotatably fitted inside the through holes. One end of the rotating rod (1004) extends to one side and passes through the L-shaped frame (10) to a second handwheel (1005). The other end of the rotating rod (1004) passes through the fixed plate (1006) and is fitted with a second bevel gear (1003). The first bevel gear (1002) meshes with the second bevel gear (1003).

5. A fixing device for welding steel structures as described in claim 4, characterized in that, U-shaped blocks (3) are fixedly connected to both ends of one side of the workbench (1). A bidirectional threaded rod (5) is installed between the two U-shaped blocks (3). A motor (4) is installed on one side of one of the U-shaped blocks (3). The output end of the motor (4) is connected to one end of the bidirectional threaded rod (5). Two moving blocks (6) are engaged with the circumferential thread of the bidirectional threaded rod (5).

6. A fixing device for welding steel structures as described in claim 4, characterized in that, The workbench (1) is equipped with multiple telescopic legs (2) on one side and located on both sides of the bidirectional threaded rod (5). One end of the telescopic legs (2) is equipped with a pulley.

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