Plate bending machine suitable for steel box girder

Abstract

The plate bending machine suitable for the steel box girder relates to the technical field of plate processing, and comprises a base station, sliding grooves arranged at equal intervals are formed in the upper surface of the base station, three bidirectional threaded rods are rotatably connected to the interior of the base station, the outer surface of each bidirectional threaded rod is fixedly connected with a gear, and the gear is fixedly connected with the base station. A toothed belt is arranged in the base table, a sliding block, a rotating roller, a fixing strip and other components are arranged, a motor drives a corresponding two-way threaded rod to rotate and drives a gear to rotate, meanwhile, the gear is meshed with the toothed belt to drive the other two two-way threaded rods to rotate synchronously, and the two-way threaded rods drive the sliding block and a fixing plate to move. The fixing plate makes contact with the plates above the base table and enables the plates to be stacked in order, the rotating roller drives the conveying belt to conduct transmission and drives the fixing strip to move synchronously, meanwhile, the fixing strip makes contact with the plates and pushes the plates to enter the workbench, and therefore the effects that the device can achieve automatic feeding and continuous plate bending and improve the working efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a plate bending machine suitable for steel box beams. Background Art

[0002] Steel box girder, also known as steel plate box girder, is a commonly used structural form for large-span bridges. It is generally used on bridges with larger spans. It is called a steel box girder because of its appearance like a box. In the working form of the steel box girder, due to its span of hundreds of meters or even thousands of meters, there are great requirements on the load-bearing capacity and bending stiffness of the steel box girder. Therefore, in the manufacturing and welding process of the steel box girder, in the process of producing the steel box girder, it is generally selected to add plate welding to the steel box girder to enhance the load-bearing capacity and bending stiffness of the steel box girder, so that the steel box girder has higher working strength and longer service life.

[0003] At present, during the prefabrication of steel box girders, the plates need to be bent so that the steel box girders can better withstand pressure and extend the service life of the steel box girders. However, the current bending process requires workers to use bending machines one by one to bend the plates. The steps are cumbersome and not only time-consuming but also require workers to face high-intensity labor, which greatly reduces work efficiency. Therefore, a device that can automatically load and continuously bend is needed to reduce the labor intensity of workers and improve work efficiency.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In view of the above background technology, the prior art has the shortcomings and defects of low working efficiency and inability to automatically load and continuously bend.

[0006] The utility model discloses a plate bending machine suitable for steel box girders, comprising a base, the upper surface of the base is provided with sliding grooves arranged at equal distances, three bidirectional threaded rods are rotatably connected inside the base, the outer surface of each of the bidirectional threaded rods is fixedly connected to a gear, a toothed belt is provided inside the base, the outer surface of each of the gears is meshed with the inner wall of the toothed belt, the left end of one of the bidirectional threaded rods is fixedly connected to a motor, the outer surface of each of the bidirectional threaded rods is threadedly connected to two sliding blocks, the outer surface of each sliding block is slidably connected to the inner wall of the corresponding sliding groove, and the upper surface of each sliding block is fixedly connected to a fixing plate.

[0007] Furthermore, the inner wall of the base is rotatably connected to three rotating rollers, and a conveyor belt is provided above the base.

[0008] Furthermore, the outer surface of each rotating roller is transmission-connected to the inner wall of the conveyor belt, and the outer surface of the conveyor belt is fixedly connected to two fixing bars.

[0009] Furthermore, a support plate is fixedly connected to the upper surface of the base, and two limit grooves are provided on the inner wall of the support plate. The inner wall of each limit groove is rotatably connected to a one-way threaded rod, and the top of each one-way threaded rod is fixedly connected to a handwheel.

[0010] Furthermore, the inner wall of the support plate is in sliding contact with the sliding plate, the outer surface of each one-way threaded rod is connected to the internal thread of the sliding plate, and the inner wall of each limiting groove is slidably connected to the outer surface of the sliding plate.

[0011] Furthermore, a workbench is fixedly connected to the back of the base, a hydraulic device is fixedly connected to the inner top wall of the workbench, and a tool holder is fixedly connected to the bottom end of the hydraulic device.

[0012] Furthermore, a bending knife is installed on the bottom surface of the knife seat, and a mold is fixedly connected to the inner bottom wall of the workbench.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model sets a sliding block, a rotating roller, a fixed bar and other components, and drives the corresponding bidirectional threaded rod to rotate and drive the gear to rotate through a motor. At the same time, the gear is engaged with the toothed belt to drive the other two bidirectional threaded rods to rotate synchronously. The sliding block and the fixed plate are driven to move through the bidirectional threaded rod. The fixed plate contacts the plate above the base and stacks the plate neatly. The conveyor belt is driven by the rotating roller and drives the fixed bar to move synchronously. At the same time, the fixed bar contacts the plate and pushes the plate onto the workbench, so that the device can automatically load and continuously bend the plate to improve work efficiency.

[0015] 2. The utility model sets a support plate, a one-way threaded rod, a sliding plate and other components, and drives the one-way threaded rod to rotate by the forward and reverse rotation of the hand wheel. The forward rotation of the one-way threaded rod drives the sliding plate to rise, and the reverse rotation of the one-way threaded rod drives the sliding plate to fall, so that the device can adjust the distance between the sliding plate and the base according to the thickness of the plate and realize the effect of continuous bending of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the base of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the support plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of a workbench of the utility model.

[0021] In the figure: 1. base; 2. sliding groove; 3. bidirectional threaded rod; 4. gear; 5. toothed belt; 6. motor; 7. sliding block; 8. fixed plate; 9. rotating roller; 10. conveyor belt; 11. fixed bar; 12. support plate; 13. limit groove; 14. unidirectional threaded rod; 15. hand wheel; 16. sliding plate; 17. workbench; 18. hydraulic device; 19. tool holder; 20. bending knife; 21. mold. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model is a plate bending machine suitable for steel box beams, comprising a base 1, the upper surface of the base 1 is provided with sliding grooves 2 arranged at equal distances, the base 1 is internally rotatably connected with three bidirectional threaded rods 3, the outer surface of each bidirectional threaded rod 3 is fixedly connected with a gear 4, a toothed belt 5 is arranged inside the base 1, the outer surface of each gear 4 is meshed with the inner wall of the toothed belt 5, the left end of one bidirectional threaded rod 3 is fixedly connected with a motor 6, the outer surface of each bidirectional threaded rod 3 is threadedly connected with two sliding blocks 7, the outer surface of each sliding block 7 is slidably connected with the inner wall of the corresponding sliding groove 2, and the upper surface of each sliding block 7 is fixedly connected with a fixed plate 8. Through the cooperation between the bidirectional threaded rod 3, the gear 4 and the toothed belt 5, the three bidirectional threaded rods 3 can rotate in the same direction and at the same speed, so that each sliding block 7 can move at the same time, ensuring that the sliding block 7 can drive the fixed plate 8 to stack the plates neatly and prevent the plates from tipping over during the automatic feeding process.

[0024] See also Figure 2 The inner wall of the base 1 is rotatably connected with three rotating rollers 9, and a conveyor belt 10 is arranged above the base 1. The rotating rollers 9 provide a power source for the conveyor belt 10, so that the conveyor belt 10 can be stably transmitted, thereby improving the stability of the device.

[0025] See also Figure 2 The outer surface of each rotating roller 9 is transmission-connected to the inner wall of the conveyor belt 10. Two fixing bars 11 are fixedly connected to the outer surface of the conveyor belt 10. The fixing bars 11 are moved by the conveyor belt 10, and the fixing bars 11 push the lowest plate out, thereby achieving the effect of automatic loading of the plate.

[0026] See also Figure 1 , Figure 3 A support plate 12 is fixedly connected to the upper surface of the base 1, and two limit grooves 13 are provided on the inner wall of the support plate 12. A one-way threaded rod 14 is rotatably connected to the inner wall of each limit groove 13, and a hand wheel 15 is fixedly connected to the top of each one-way threaded rod 14. The sliding plate 16 is connected through the one-way threaded rod 14, and the sliding plate 16 is driven to rise or fall by the forward and reverse rotation of the one-way threaded rod 14, so that the height of the sliding plate 16 can be adjusted according to the thickness of the plate, so that the plates can be transported one by one.

[0027] See also Figure 1 , Figure 3 The inner wall of the support plate 12 is in sliding contact with the sliding plate 16, the outer surface of each one-way threaded rod 14 is connected to the internal thread of the sliding plate 16, and the inner wall of each limiting groove 13 is connected to the outer surface of the sliding plate 16 in a sliding manner. The support plate 12 provides a supporting force for the sliding plate 16, and the limiting groove 13 is used to limit the movement direction of the sliding plate 16, so that the sliding plate 16 can achieve the effect of moving up and down.

[0028] See also Figure 1 , Figure 4 A workbench 17 is fixedly connected to the back of the base 1, a hydraulic device 18 is fixedly connected to the inner top wall of the workbench 17, and a tool holder 19 is fixedly connected to the bottom end of the hydraulic device 18. The workbench 17 provides a stable supporting force for the hydraulic device 18, so that when the hydraulic device 18 drives the tool holder 19 to move downward or upward, it can move stably and ensure that no shaking occurs.

[0029] See also Figure 1 , Figure 4 A bending knife 20 is installed on the bottom surface of the knife seat 19, and a mold 21 is fixedly connected to the inner bottom wall of the workbench 17. Through the cooperation between the bending knife 20 and the mold 21, the plate can be processed into a required shape, making the bending work more efficient and improving work efficiency.

[0030] When using the utility model: first, place the plate to be bent on the upper surface of the base 1, and drive the corresponding bidirectional threaded rod 3 to rotate through the motor 6 and drive the gear 4 to rotate. At the same time, the gear 4 engages with the toothed belt 5 to drive the other two bidirectional threaded rods 3 to rotate synchronously, and the sliding block 7 and the fixed plate 8 are driven to move through the bidirectional threaded rod 3. The fixed plate 8 contacts the plate above the base 1 and stacks the plates neatly. The one-way threaded rod 14 is driven to rotate by forward and reverse rotation of the hand wheel 15. The one-way threaded rod 14 drives the sliding plate 16 to rise by forward rotation, and the one-way threaded rod 14 drives the sliding plate 16 to descend by reverse rotation. The distance between the sliding plate 16 and the base 1 is adjusted according to the thickness of the plate. The conveyor belt 10 is driven by the rotating roller 9 to transmit and drive the fixed bar 11 to move synchronously. At the same time, the fixed bar 11 contacts the plate and pushes the plate into the workbench 17, so that the plate contacts the mold 21. At the same time, the hydraulic device 18 drives the knife seat 19 and the bending knife 20 to press down, and the bending knife 20 contacts the plate to complete the bending work.

[0031] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A plate bending machine suitable for steel box beams, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with sliding grooves (2) arranged at equal distances. Three bidirectional threaded rods (3) are rotatably connected inside the base (1). The outer surface of each bidirectional threaded rod (3) is fixedly connected to a gear (4). A toothed belt (5) is provided inside the base (1). The outer surface of each gear (4) is meshed with the inner wall of the toothed belt (5). The left end of one of the bidirectional threaded rods (3) is fixedly connected to a motor (6). The outer surface of each bidirectional threaded rod (3) is threadedly connected to two sliding blocks (7). The outer surface of each sliding block (7) is slidably connected to the inner wall of the corresponding sliding groove (2). The upper surface of each sliding block (7) is fixedly connected to a fixing plate (8).

2. A plate bending machine suitable for steel box beams according to claim 1, characterized in that: The inner wall of the base (1) is rotatably connected to three rotating rollers (9), and a conveyor belt (10) is provided above the base (1).

3. A plate bending machine suitable for steel box beams according to claim 2, characterized in that: The outer surface of each rotating roller (9) is drivingly connected to the inner wall of the conveyor belt (10), and the outer surface of the conveyor belt (10) is fixedly connected to two fixing strips (11).

4. A plate bending machine suitable for steel box beams according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected to a support plate (12), the inner wall of the support plate (12) is provided with two limit grooves (13), the inner wall of each limit groove (13) is rotatably connected to a one-way threaded rod (14), and the top end of each one-way threaded rod (14) is fixedly connected to a hand wheel (15).

5. A plate bending machine suitable for steel box beams according to claim 4, characterized in that: The inner wall of the support plate (12) is in sliding contact with a sliding plate (16), the outer surface of each one-way threaded rod (14) is connected to the internal thread of the sliding plate (16), and the inner wall of each limiting groove (13) is connected to the outer surface of the sliding plate (16) in a sliding manner.

6. A plate bending machine suitable for steel box beams according to claim 1, characterized in that: The back of the base (1) is fixedly connected to a workbench (17), the inner top wall of the workbench (17) is fixedly connected to a hydraulic device (18), and the bottom end of the hydraulic device (18) is fixedly connected to a tool holder (19).

7. A plate bending machine suitable for steel box beams according to claim 6, characterized in that: A bending knife (20) is installed on the bottom surface of the knife seat (19), and a mold (21) is fixedly connected to the inner bottom wall of the workbench (17).

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