Steel bar bending device

Abstract

The utility model discloses a reinforcing steel bar bending device which comprises a working table, a rotary table is rotationally connected to the outer wall of the top end of the working table, a center roller is rotationally installed in the center of the rotary table, a groove is formed in the outer wall of the top end of the rotary table, a threaded rod is rotationally connected to the inner wall of the groove, and a movable block is slidably connected to the inner wall of the groove. A bending roller is fixed to the outer wall of the top end of the moving block, a telescopic plate is arranged on one side of the top end of the moving block, and the other end of the telescopic plate is connected with the inner wall of the groove. According to the steel bar bending device, the groove, the threaded rod, the moving block and the telescopic plate are arranged, the distance between the bending roller and the center roller can be adjusted according to the diameter of a steel bar needing to be bent, the steel bars with different diameters can be bent through the device, and meanwhile in the moving process of the moving block, the telescopic plate stretches out and draws back; the top face of the groove between the bending roller and the center roller can be sealed, and rust on the surface of the steel bar is prevented from falling on the surface of the threaded rod to affect movement of the moving block along the threaded rod.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing, in particular to a steel bar bending device. Background Art

[0002] During the construction process, according to the construction needs, it is often necessary to bend the steel bars at a certain angle. In the process of bending the steel bars, people usually use a steel bar bending device to bend the steel bars to a certain angle.

[0003] After searching, the Chinese patent publication number CN219074198U discloses a steel bar bending device, including a processing table, an annular groove is opened on the processing table, a fixed roller is fixedly installed at the axis center of the processing table corresponding to the annular groove, and a bending roller is movably installed in the annular groove; a bracket is provided on one side of the processing table, and shaft frames are fixedly installed at both ends of one side of the bracket, and the two shaft frames are respectively movably installed with clamping sleeves through a first rotating shaft, and a first locking button is provided at the end of the clamping sleeve away from the shaft frame, and the processing table is provided with a first threaded groove on the other side of the bracket.

[0004] This patent sets up a bracket, places the steel bar to be processed on the bracket, and then pushes it between the fixed roller and the bending roller. Then, the clamping sleeves at both ends of the bracket are flipped together to cover the top of the steel bar, and then the first locking button is twisted to thread the output end of the first locking button into the first thread groove at the corresponding position on the processing table and fixed. In this way, when the bracket rotates and moves to bend the steel bar, the steel bar will not be displaced, and will not bounce back after being compressed, thereby achieving the purpose of limiting and fixing the steel bar. However, the distance between the fixed roller and the bending roller is fixed, and it can only bend steel bars of the same diameter. There are many diameters of steel bars that need to be bent on the construction site. If you want to process steel bars of different diameters, you need to purchase additional bending machines of different models, which puts a lot of economic pressure. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a steel bar bending device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A steel bar bending device comprises a workbench, wherein the outer wall of the top end of the workbench is rotatably connected to a turntable, a center roller is rotatably installed at the center of the turntable, a groove is opened on the outer wall of the top end of the turntable, a threaded rod is rotatably connected to the inner wall of the groove, a moving block is slidably connected to the inner wall of the groove, the moving block is threadedly matched with the threaded rod, a bending roller is fixed to the outer wall of the top end of the moving block, a telescopic plate is arranged on one side of the top end of the moving block, and the other end of the telescopic plate is connected to the inner wall of the groove.

[0008] As a further solution of the utility model: the axis of the central roller and the axis of the turntable are located in the same straight line, and a clamping assembly is provided on one side of the workbench.

[0009] As a further solution of the utility model: the outer wall of the bottom end of the central roller is connected with a rotating column, the other end of the rotating column is rotatably connected to the inner wall of the workbench, and a driving component for driving the turntable to rotate is arranged inside the workbench.

[0010] As a further solution of the utility model: a driven bevel gear is fixedly connected to the outer wall of the rotating column, a driving bevel gear is transmission-engaged with one side of the driven bevel gear, and a hand wheel is connected to the outer wall of one side of the driving bevel gear.

[0011] As a further solution of the utility model: the outer wall of the workbench is provided with an angle gauge cooperating with the hand wheel.

[0012] As a further solution of the utility model: a fixing frame is fixed on one side of the outer wall of the top end of the rotating column, a cavity is opened on the outer wall of one side of the fixing frame, a pressure sensor is fixed on the inner wall of the cavity, a pressure plate is slidably connected to the inner wall of the cavity, a force transmission column is fixed on one side of the pressure plate, and the other end of the force transmission column is in contact with the pressure sensor.

[0013] As a further solution of the utility model: a pressure column is fixed on the outer wall of the bottom surface of the turntable, and the pressure column is located at a relative position to the groove, and the distance between the pressure column and the rotating column is the same as the distance between the pressure plate and the rotating column.

[0014] As a further solution of the utility model: a movable groove is opened on one side of the turntable, a positioning plate is slidably connected to the inner wall of the movable groove, the positioning plate is L-shaped, and a scale is provided on the side wall of the positioning plate, and a fixing bolt is provided on one side of the movable groove.

[0015] Compared with the prior art, the utility model provides a steel bar bending device, which has the following beneficial effects:

[0016] 1. The utility model, by providing a groove, a threaded rod, a moving block and a telescopic plate, can adjust the distance between the bending roller and the center roller according to the diameter of the steel bar to be bent, so that the device can bend steel bars of different diameters. At the same time, during the movement of the moving block, the telescopic plate is extended and retracted to close the top surface of the groove between the bending roller and the center roller, thereby preventing rust on the surface of the steel bar from falling onto the surface of the threaded rod and affecting the movement of the moving block along the threaded rod.

[0017] 2. The utility model is provided with a rotating column, a driven bevel gear, an active bevel gear, a hand wheel, an angle gauge, a pressure column, a fixing frame, a cavity, a pressure sensor, a pressure plate and a force transmission column. The angle between the connecting line between the pressure plate and the rotating column and the connecting line between the pressure column and the rotating column can be adjusted according to the bending angle. When the steel bar is bent, the pressure column rotates with the turntable. When the pressure column squeezes the pressure plate, the pressure is transmitted through the force transmission column, so that the pressure on the pressure sensor changes. At this time, the bending angle of the steel bar meets the standard, and the driving component stops driving. The bending angle of the steel bar can be accurately controlled to improve the bending quality.

[0018] 3. The utility model is provided with a movable groove, a positioning plate and a fixing bolt. Before bending, the extended length of the positioning plate is adjusted according to the length of the bent section of the steel bar, and the positioning plate is fixed by the fixing bolt. When the steel bar is inserted, the positioning plate can limit the length of the bent section of the steel bar, so that the device does not need to measure each time when bending multiple steel bars of the same specification, which is convenient for bending a large number of steel bars of the same specification.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a steel bar bending device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a steel bar bending device proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of a groove of a steel bar bending device proposed by the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of a fixing frame of a steel bar bending device proposed by the utility model;

[0024] Figure 5 The utility model is a schematic structural diagram of a steel bar bending device limiting component.

[0025] In the figure: 1. workbench; 2. clamping assembly; 3. turntable; 4. center roller; 5. bending roller; 6. groove; 7. threaded rod; 8. moving block; 9. telescopic plate; 10. driving assembly; 11. rotating column; 12. driven bevel gear; 13. driving bevel gear; 14. hand wheel; 15. angle gauge; 16. pressure column; 17. fixed frame; 18. cavity; 19. pressure sensor; 20. pressure plate; 21. force transmission column; 22. moving groove; 23. positioning plate; 24. fixing bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Example 1

[0029] A steel bar bending device, such as Figures 1 to 4 As shown, it includes a workbench 1, the top outer wall of the workbench 1 is rotatably connected to a turntable 3, the center of the turntable 3 is rotatably installed with a center roller 4, the axis of the center roller 4 and the axis of the turntable 3 are located in the same straight line, and a clamping assembly 2 is arranged on one side of the workbench 1, and the clamping assembly 2 can be a screw rod and a clamping plate structure or a hydraulic rod and a clamping plate structure, a groove 6 is opened on the top outer wall of the turntable 3, a threaded rod 7 is rotatably connected to the inner wall of the groove 6, a moving block 8 is slidably connected to the inner wall of the groove 6, and the moving block 8 is threadedly matched with the threaded rod 7, a bending roller 5 is fixed to the top outer wall of the moving block 8, a telescopic plate 9 is arranged on one side of the top of the moving block 8, and the other end of the telescopic plate 9 is connected to the inner wall of the groove 6, a rotating column 11 is connected to the outer wall of the bottom end of the center roller 4, and the other end of the rotating column 11 is rotatably connected to the inner wall of the workbench 1, and a driving assembly 1 for driving the turntable 3 to rotate is arranged inside the workbench 1 0, the driving assembly 10 can be a motor and transmission gear structure, the outer wall of the rotating column 11 is fixedly connected to a driven bevel gear 12, one side of the driven bevel gear 12 is transmission-engaged with an active bevel gear 13, and the outer wall of one side of the active bevel gear 13 is connected to a handwheel 14, and the outer wall of the workbench 1 is provided with an angle gauge 15 that cooperates with the handwheel 14, a fixing frame 17 is fixed to one side of the outer wall of the top end of the rotating column 11, and a cavity 18 is opened on the outer wall of one side of the fixing frame 17, and a pressure sensor 19 is fixed to the inner wall of the cavity 18, and a pressure plate 20 is slidably connected to the inner wall of the cavity 18, and a force transmission column 21 is fixed to one side of the pressure plate 20, and the other end of the force transmission column 21 contacts and cooperates with the pressure sensor 19, and a pressure column 16 is fixed to the outer wall of the bottom surface of the turntable 3, and the pressure column 16 is located at a relative position of the groove 6, and the distance between the pressure column 16 and the rotating column 11 is the same as the distance between the pressure plate 20 and the rotating column 11.

[0030] When bending, the threaded rod 7 is rotated to move the moving block 8 in the groove 6. The distance between the bending roller 5 and the center roller 4 is adjusted according to the diameter of the steel bar to be bent, so that the device can bend steel bars of different diameters. During the movement of the moving block 8, the telescopic plate 9 can close the top surface of the groove 6 between the bending roller 5 and the center roller 4 to prevent the rust on the surface of the steel bar from falling on the surface of the threaded rod 7 and affecting the movement of the moving block 8 along the threaded rod 7. Then the hand wheel 14 is rotated to drive the driven bevel gear 12 and the active bevel gear 13 so that the rotating column 11 drives the fixed The frame 17 rotates, and the angle between the line between the pressure plate 20 and the rotating column 11 and the line between the pressure column 16 and the rotating column 11 are adjusted according to the bending angle. Then the steel bar is inserted through the clamping assembly 2 between the center roller 4 and the bending roller 5, and then the clamping assembly 2 is used to fix the steel bar. The driving assembly 10 drives the turntable 3 to rotate to bend the steel bar, and the pressure column 16 rotates with the turntable 3. When the pressure column 16 squeezes the pressure plate 20, the pressure is transmitted through the force transmission column 21, so that the pressure on the pressure sensor 19 changes. At this time, the bending angle of the steel bar meets the standard, and the driving assembly 10 stops driving.

[0031] By setting the groove 6, threaded rod 7, moving block 8 and telescopic plate 9, the distance between the bending roller 5 and the center roller 4 can be adjusted according to the diameter of the steel bar to be bent, so that the device can bend steel bars of different diameters. At the same time, during the movement of the moving block 8, the telescopic plate 9 is extended and retracted to close the top surface of the groove 6 between the bending roller 5 and the center roller 4, so as to prevent rust on the surface of the steel bar from falling onto the surface of the threaded rod 7 and affecting the movement of the moving block 8 along the threaded rod 7.

[0032] By arranging the rotating column 11, the driven bevel gear 12, the driving bevel gear 13, the hand wheel 14, the angle gauge 15, the pressure column 16, the fixing frame 17, the cavity 18, the pressure sensor 19, the pressure plate 20 and the force transmission column 21, the angle between the connecting line between the pressure plate 20 and the rotating column 11 and the connecting line between the pressure column 16 and the rotating column 11 can be adjusted according to the bending angle. When the steel bar is bent, the pressure column 16 rotates with the turntable 3. When the pressure column 16 squeezes the pressure plate 20, the pressure is transmitted through the force transmission column 21, so that the pressure on the pressure sensor 19 changes. At this time, the bending angle of the steel bar meets the standard, and the driving component 10 stops driving. The bending angle of the steel bar can be accurately controlled to improve the bending quality.

[0033] Example 2

[0034] A steel bar bending device, based on the embodiment 1, this embodiment makes the following improvements, such as Figure 1 , Figure 5 As shown, a movable groove 22 is opened on one side of the turntable 3, and a positioning plate 23 is slidably connected to the inner wall of the movable groove 22. The positioning plate 23 is L-shaped, and a scale is set on the side wall of the positioning plate 23. A fixing bolt 24 is set on one side of the movable groove 22.

[0035] Before bending, the extended length of the positioning plate 23 is adjusted according to the length of the bent section of the steel bar, and the positioning plate 23 is fixed by the fixing bolts 24. When the steel bar is inserted, the positioning plate 23 can limit the length of the bent section of the steel bar, so that the device does not need to measure each time when bending multiple steel bars of the same specification, which is convenient for bending a large number of steel bars of the same specification.

[0036] By setting the movable groove 22, the positioning plate 23 and the fixing bolt 24, before bending, the extended length of the positioning plate 23 is adjusted according to the length of the bent section of the steel bar, and the positioning plate 23 is fixed by the fixing bolt 24. When the steel bar is inserted, the positioning plate 23 can limit the length of the bent section of the steel bar, so that the device does not need to measure each time when bending multiple steel bars of the same specification, which is convenient for bending a large number of steel bars of the same specification.

[0037] Working principle: When bending, adjust the extended length of the positioning plate 23 according to the length of the bending section of the steel bar, and fix the positioning plate 23 by the fixing bolt 24. When the steel bar is inserted, the positioning plate 23 can limit the length of the bending section of the steel bar, so that the device does not need to measure each time when bending multiple steel bars of the same specification, which is convenient for bending a large number of steel bars of the same specification. Then rotate the threaded rod 7 to move the moving block 8 in the groove 6, and adjust the distance between the bending roller 5 and the center roller 4 according to the diameter of the steel bar to be bent, so that the device can bend steel bars of different diameters. During the movement of the moving block 8, the telescopic plate 9 can close the top surface of the groove 6 between the bending roller 5 and the center roller 4 to prevent rust on the surface of the steel bar from falling on the thread The surface of the rod 7 affects the movement of the moving block 8 along the threaded rod 7, and then the hand wheel 14 is turned. Through the transmission of the driven bevel gear 12 and the active bevel gear 13, the rotating column 11 drives the fixed frame 17 to rotate. The angle between the line between the pressure plate 20 and the rotating column 11 and the line between the pressure column 16 and the rotating column 11 is adjusted according to the bending angle. Then the steel bar is inserted between the center roller 4 and the bending roller 5 through the clamping assembly 2, and then the steel bar is fixed with the clamping assembly 2. The driving assembly 10 drives the turntable 3 to rotate to bend the steel bar, and the pressure column 16 rotates with the turntable 3. When the pressure column 16 squeezes the pressure plate 20, the pressure is transmitted through the force transmission column 21, so that the pressure on the pressure sensor 19 changes. At this time, the bending angle of the steel bar meets the standard, and the driving assembly 10 stops driving.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel bar bending device, comprising a workbench (1), characterized in that: The outer wall of the top end of the workbench (1) is rotatably connected to a turntable (3), a center roller (4) is rotatably installed at the center of the turntable (3), a groove (6) is provided on the outer wall of the top end of the turntable (3), a threaded rod (7) is rotatably connected to the inner wall of the groove (6), a moving block (8) is slidably connected to the inner wall of the groove (6), the moving block (8) is threadedly matched with the threaded rod (7), a bending roller (5) is fixed to the outer wall of the top end of the moving block (8), a telescopic plate (9) is provided on one side of the top end of the moving block (8), and the other end of the telescopic plate (9) is connected to the inner wall of the groove (6).

2. A steel bar bending device according to claim 1, characterized in that: The axis of the central roller (4) and the axis of the turntable (3) are located on the same straight line, and a clamping assembly (2) is provided on one side of the workbench (1).

3. A steel bar bending device according to claim 1, characterized in that: The outer wall of the bottom end of the center roller (4) is connected to a rotating column (11), and the other end of the rotating column (11) is rotatably connected to the inner wall of the workbench (1). A driving component (10) for driving the turntable (3) to rotate is arranged inside the workbench (1).

4. A steel bar bending device according to claim 3, characterized in that: The outer wall of the rotating column (11) is fixedly connected to a driven bevel gear (12), one side of the driven bevel gear (12) is transmission-engaged with a driving bevel gear (13), and the outer wall of one side of the driving bevel gear (13) is connected to a hand wheel (14).

5. A steel bar bending device according to claim 1, characterized in that: The outer wall of the workbench (1) is provided with an angle gauge (15) that cooperates with the hand wheel (14).

6. A steel bar bending device according to claim 3, characterized in that: A fixing frame (17) is fixed on one side of the outer wall of the top end of the rotating column (11); a cavity (18) is opened on one side of the outer wall of the fixing frame (17); a pressure sensor (19) is fixed on the inner wall of the cavity (18); a pressure bearing plate (20) is slidably connected to the inner wall of the cavity (18); a force transmission column (21) is fixed on one side of the pressure bearing plate (20); and the other end of the force transmission column (21) is in contact with and cooperates with the pressure sensor (19).

7. A steel bar bending device according to claim 1, characterized in that: A pressure column (16) is fixed to the outer wall of the bottom surface of the turntable (3), and the pressure column (16) is located at a position relative to the groove (6). The distance between the pressure column (16) and the rotating column (11) is the same as the distance between the pressure plate (20) and the rotating column (11).

8. A steel bar bending device according to claim 1, characterized in that: A movable groove (22) is provided on one side of the turntable (3), a positioning plate (23) is slidably connected to the inner wall of the movable groove (22), the positioning plate (23) is L-shaped, and a scale is provided on the side wall of the positioning plate (23), and a fixing bolt (24) is provided on one side of the movable groove (22).

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