Steel bar bending machine

Abstract

The utility model discloses a steel bar bending machine which comprises a bottom plate and a main shaft on the bottom plate, a rotating disc is arranged on the main shaft, a rotatable U-shaped frame is arranged on one side of the rotating disc, a rotatable rotating wheel is arranged in the U-shaped frame, arc-shaped recesses are arranged on the circumference of the rotating disc and the circumference of the rotating wheel, and the arc-shaped recesses are arranged on the rotating disc. The U-shaped frame can rotate along the track of the rotating disc through the rotating mechanism, a steel bar is arranged in an arc-shaped recess between the rotating disc and the rotating wheel, and the U-shaped frame rotates along the track of the rotating disc to bend the steel bar. When the steel bar bending machine is used, steel bar bending can be rapidly achieved, the safety coefficient is high, the precision is guaranteed during bending, and the use requirement for steel bar bending is met.

Description

Technical Field

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

[0002] Rebar is a commonly used building material in engineering construction. When in use, it is usually necessary to bend the rebar into a specific shape or angle to meet the usage requirements of different building locations and ensure the firmness of the structure.

[0003] The utility model patent with announcement number CN217617425U discloses a kind of steel bar bending device, on which a support plate and a turntable for supporting steel bars are installed on the frame, a bending shaft and an adjusting mechanism for adjusting the bending degree of steel bars are installed on the turntable, and there is also a turntable driver for driving the turntable to rotate and a clamping mechanism for clamping and fixing the steel bars; the steel bars are placed on the support plate and the turntable, and then the clamping mechanism clamps and fixes the steel bars, and then the turntable applies a bending force to the steel bars to bend the steel bars, and the bending of the steel bars can be adjusted by the adjusting mechanism during bending; the technical problems of inconvenient operation and low precision are solved.

[0004] The above-mentioned bending device limits the steel bar by means of a bending shaft and a turntable, and realizes bending by rotating the turntable. This bending method cannot keep the steel bar on the bending track, and lacks precision; and the steel bar is easy to detach from the device, posing certain safety hazards. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems and provide a steel bar bending machine which can quickly realize steel bar bending, has a high safety factor, ensures accuracy during bending, and meets the use requirements of steel bar bending.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a steel bar bending machine, comprising a base plate and a main shaft on the base plate, a rotating disk is provided on the main shaft, a rotatable U-shaped frame is provided on one side of the rotating disk, a rotatable rotating wheel is provided in the U-shaped frame, the circumference of the rotating disk and the rotating wheel are both provided with arc-shaped depressions, the U-shaped frame can rotate along the trajectory of the rotating disk through a rotating mechanism, the steel bar is arranged in the arc-shaped depression between the rotating disk and the rotating wheel, and the U-shaped frame rotates along the trajectory of the rotating disk to bend the steel bar.

[0007] Preferably, the rotating mechanism includes an arc-shaped slide and a U-shaped slide rail on a bottom plate, meshing teeth are provided on both sides of the inner wall of the arc-shaped slide, a motor is provided above the U-shaped frame, the output shaft of the motor passes through the U-shaped frame and extends into the arc-shaped slide, a gear matching with the meshing teeth is provided at the end of the output shaft, an extension rod is provided at the bottom of the U-shaped frame, the end of the extension rod matches with the U-shaped slide rail, and when the motor is running, the gear matches with the meshing teeth to move the U-shaped frame along the arc-shaped slide.

[0008] Preferably, the main shaft, the rotating disk, the arc-shaped slideway and the U-shaped slide rail are all located on the same axis.

[0009] Preferably, a locking bolt is provided on the rotating disk, and when the steel bar is bent, the locking bolt passes through the rotating disk and abuts against the bottom plate.

[0010] Preferably, a clamping device is further provided on the bottom plate. The clamping device includes an upper fixing plate and a lower fixing plate, which are connected by a connecting bolt between the upper fixing plate and the lower fixing plate. The lower fixing plate is fixed on the bottom plate, and V-shaped grooves are provided on the opposite surfaces of the upper fixing plate and the lower fixing plate. When the steel bar is bent, it is clamped in the V-shaped grooves.

[0011] Preferably, a plane is provided on the circumference of the rotating disk, and a rotating handle is provided on the rotating disk. When the steel bar is taken out after being bent, the plane faces the U-shaped frame.

[0012] A steel bar bender disclosed by the present utility model includes a bottom plate and a main shaft on the bottom plate. A rotating disk is provided on the main shaft. A rotatable U-shaped frame is provided on one side of the rotating disk. A rotatable rotating wheel is provided in the U-shaped frame. Arc-shaped depressions are provided on the circumferences of the rotating disk and the rotating wheel. The U-shaped frame can rotate along the trajectory of the rotating disk through a rotating mechanism. The steel bar is arranged in the arc-shaped depression between the rotating disk and the rotating wheel. The U-shaped frame rotates along the trajectory of the rotating disk to bend the steel bar. Compared with the prior art, when the steel bar bender is used, it has the beneficial effects of being able to quickly realize the bending of the steel bar, having a high safety factor, ensuring accuracy during bending, and meeting the use requirements of steel bar bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic view of the overall structure of a steel bar bender of the present utility model Figure 1 .

[0014] Figure 2 is a schematic view of the overall structure of a steel bar bender of the present utility model Figure 2 .

[0015] Figure 3 is a schematic view of the overall structure of a steel bar bender of the present utility model Figure 3 .

[0016] Figure 4 is of the present utility model Figure 1 The enlarged schematic view of the structure at A in.

[0017] Figure 5 is a schematic view of the state of the steel bar before being bent in the present utility model.

[0018] Figure 6 is a schematic view of the state of the steel bar after being bent in the present utility model.

[0019] Figure 7 This is a schematic diagram of the state of taking out the bent reinforcing bar in the present utility model.

[0020] In the figure: 1, bottom plate; 2, main shaft; 3, rotating disk; 31, rotating handle; 32, locking bolt; 33, plane; 4, arc-shaped depression; 5, arc-shaped slideway; 51, meshing teeth; 6, U-shaped frame; 61, U-shaped slide rail; 62, extension rod; 7, rotating wheel; 8, motor; 81, output shaft; 9, upper fixing plate; 10, lower fixing plate; 11, V-shaped groove; 12, connecting bolt; 13, reinforcing bar. Specific embodiments

[0021] Now, the present utility model will be further described in detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, which only illustrate the basic structure of the present utility model in a schematic way, so they only show the components related to the present utility model.

[0022] Please refer to Figures 1-4 , a reinforcing bar bender, including a bottom plate 1 and a main shaft 2 on the bottom plate 1. A rotating disk 3 is provided on the main shaft 2. A locking bolt 32 is provided on the rotating disk 3. When the reinforcing bar is bent, the locking bolt 32 passes through the rotating disk 3 and abuts against the bottom plate 1. A rotatable U-shaped frame 6 is provided on one side of the rotating disk 3. A rotatable rotating wheel 7 is provided inside the U-shaped frame 6. Arc-shaped depressions 4 are provided on the circumferences of both the rotating disk 3 and the rotating wheel 7. The U-shaped frame 6 can rotate along the circumferential trajectory of the rotating disk 3 through a rotating mechanism. The reinforcing bar 13 is arranged in the arc-shaped depression 4 between the rotating disk 3 and the rotating wheel 7. When the U-shaped frame 6 rotates along the trajectory of the rotating disk 3, the reinforcing bar is squeezed in the arc-shaped depression 4, thereby bending the reinforcing bar; since the bending of the reinforcing bar is realized by fitting the arc-shaped depression 4 during bending, the bending accuracy can be guaranteed.

[0023] In the solution of the present utility model, the rotating mechanism includes an arc-shaped slideway 5 and a U-shaped slide rail 61 on the bottom plate 1. Meshing teeth 51 are provided on both sides of the inner wall of the arc-shaped slideway 5. A motor 8 is provided above the U-shaped frame 6. The output shaft 81 of the motor 8 extends into the arc-shaped slideway 5 through the U-shaped frame 6. A gear matching with the meshing teeth 51 is provided at the end of the output shaft 81. An extension rod 62 is provided at the bottom of the U-shaped frame 6. The end of the extension rod 62 is matched with the U-shaped slide rail 61. When the motor 8 operates, the gear cooperates with the meshing teeth 51 to make the U-shaped frame 6 move along the arc-shaped slideway 5.

[0024] Among them, the main shaft 2, the rotating disk 3, the arc-shaped slideway 5 and the U-shaped slide rail 61 are all on the same axis.

[0025] After the motor 8 runs, the gear engages with the meshing teeth in the arc-shaped slideway, and the bottom of the extension rod 62 slides within the U-shaped slide rail 61. At this time, the U-shaped frame 6 will move along the trajectory of the arc-shaped slideway. Since the main shaft 2, the rotating disk 3, the arc-shaped slideway 5, and the U-shaped slide rail 61 are all on the same axis, when the steel bar is placed between the rotating disk 3 and the rotating wheel 7, the movement of the U-shaped frame 6 can bend it.

[0026] In the solution of the present utility model, in order to prevent the end of the steel bar from being unstable during bending, a clamping device is further provided on the bottom plate 1. The clamping device includes an upper fixing plate 9 and a lower fixing plate 10, which are connected by a connecting bolt 12. The lower fixing plate 10 is fixed on the bottom plate 1, and V-shaped grooves 11 are provided on the opposite surfaces of the upper fixing plate 9 and the lower fixing plate 10. When the steel bar 13 is bent, it is clamped within the V-shaped grooves 11.

[0027] For the placement state of the steel bar 13 before bending, please refer to Figure 5 , at this time, the locking bolt 32 abuts against the bottom plate 1 to lock the rotating disk to prevent it from rotating. One end of the steel bar is clamped between the upper fixing plate 9 and the lower fixing plate 10, and the circumference of the steel bar is placed between the rotating disk 3 and the rotating wheel 7 (within the arc-shaped depression). When the motor runs, the gear engages with the meshing teeth 51, causing the U-shaped frame 6 to move along the arc-shaped slideway 5, thereby bending the straight steel bar.

[0028] For the schematic diagram of the state of the steel bar 13 after bending, please refer to Figure 6 , after bending, the U-shaped frame 6 moves to the symmetrical side, and at this time, the steel bar 13 is bent.

[0029] Please refer to Figure 6 again. Figure 6 In , since the bent steel bar is placed within the arc-shaped depression 4, it cannot be directly taken out. To ensure the smooth removal of the bent steel bar, a flat surface 33 is provided on the circumference of the rotating disk 3, and a rotating handle 31 is provided on the rotating disk 3.

[0030] As Figure 7 shown, when taking out the steel bar, first loosen the locking bolt 32 so that the locking bolt 32 is separated from the bottom plate 1, and then rotate the rotating handle 31 to make the flat surface 33 face the U-shaped frame 6. At this time, the steel bar is no longer restricted by the arc-shaped depression 4 and can be taken out smoothly. The restraint of the arc-shaped depression 4 can prevent the steel bar from popping out during bending and prevent personnel from being injured.

[0031] In this embodiment, the motor 8 is a stepping motor. After the stepping motor rotates in reverse, the U-shaped frame 6 returns to the ( Figure 5 ) position for the next bending use.

[0032] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to list all implementation manners here. And the obvious changes or alterations derived therefrom still fall within the protection scope of this utility model creation.

Claims

1. A steel bar bending machine, comprising a bottom plate and a main shaft on the bottom plate, characterized in that, A rotating disk is provided on the main shaft. A rotatable U-shaped frame is provided on one side of the rotating disk. A rotatable rotating wheel is provided inside the U-shaped frame. Arc-shaped depressions are provided on the circumferences of both the rotating disk and the rotating wheel. The U-shaped frame can rotate along the trajectory of the rotating disk through a rotating mechanism. The steel bar is arranged in the arc-shaped depression between the rotating disk and the rotating wheel. The U-shaped frame rotates along the trajectory of the rotating disk to bend the steel bar.

2. The steel bar bender according to claim 1, characterized in that The rotating mechanism includes an arc-shaped slideway and a U-shaped slide rail on the bottom plate. Meshing teeth are provided on both sides of the inner wall of the arc-shaped slideway. A motor is provided above the U-shaped frame. The output shaft of the motor extends into the arc-shaped slideway through the U-shaped frame. A gear that cooperates with the meshing teeth is provided at the end of the output shaft. An extension rod is provided at the bottom of the U-shaped frame. The end of the extension rod cooperates with the U-shaped slide rail. When the motor operates, the gear cooperates with the meshing teeth to move the U-shaped frame along the arc-shaped slideway.

3. The steel bar bender according to claim 2, characterized in that, The main shaft, the rotating disk, the arc-shaped slideway, and the U-shaped slide rail are all located on the same axis.

4. The steel bar bender according to claim 1, characterized in that, A locking bolt is provided on the rotating disk. When the steel bar is bent, the locking bolt passes through the rotating disk and abuts against the bottom plate.

5. The steel bar bender according to any one of claims 1-4, characterized in that, A clamping device is further provided on the bottom plate. The clamping device includes an upper fixing plate and a lower fixing plate. The upper fixing plate and the lower fixing plate are connected by a connecting bolt. The lower fixing plate is fixed on the bottom plate. V-shaped grooves are provided on the opposite surfaces of the upper fixing plate and the lower fixing plate. When the steel bar is bent, it is clamped in the V-shaped grooves.

6. The steel bar bender according to claim 4, characterized in that, A flat surface is provided on the circumference of the rotating disk. A rotating handle is provided on the rotating disk. When the steel bar is taken out after being bent, the flat surface faces the U-shaped frame.

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