Steel bar bending device for constructional engineering
By designing an automated rebar bending device, a motor-driven rod and shaft are used to transport rebar, and a protective baffle is moved by a knob and a torque spring. This solves the problem of manual feeding by operators throughout the process in the existing technology, and realizes automated feeding and improves the efficiency of rebar bending.
Patent Information
- Application Number
- CN202520360292.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing steel bar bending devices require operators to stand by the workbench to observe and manually feed materials throughout the process, which increases the workload of the operators.
A steel bar bending device was designed, comprising a worktable, a motor, a round rod, a rotating shaft, a fixed column, and springs. The motor drives the round rod and rotating shaft to automatically feed steel bars, and the movement of the protective baffle is achieved through a knob and a torque spring, reducing manual intervention.
It enables automatic feeding and bending of steel bars, reducing the workload of operators and improving the efficiency and safety of steel bar bending.
Smart Images

Figure CN223902810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steel bar bending related technical field especially relates to a building engineering steel bar bending device. BACKGROUND
[0002] The building steel bar bending device is a kind of equipment for bending forming steel bar in building construction.
[0003] In building construction, when the common steel bar bending device executes steel bar bending task, operator needs to place steel bar carefully on workbench first, then pushes steel bar towards workbench interior with force, so that steel bar reaches bending position accurately.After once bending is completed, the position of steel bar changes, so that operator needs to return to workbench again to repeat the action of pushing steel bar.In the whole steel bar bending operation process, operator needs to stand by workbench all the time, observes equipment operation condition at any time, and timely feeds, to prevent operation interruption, which increases the workload of operator. SUMMARY
[0004] The utility model aims at solving the shortcomings in prior art and provides a building engineering steel bar bending device.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A building engineering steel bar bending device, including workbench, the lower end of workbench is installed with first motor, the output shaft of first motor is fixedly connected with round bar, the outer wall of round bar is combined with rotating shaft, the inner wall of rotating shaft is rotatably connected with fixed column, the upper end of fixed column is fixedly connected with fixed plate, the outer wall of fixed plate is fixedly connected with one end of spring, the other end of spring is fixedly connected with vertical plate.
[0007] Preferably, the upper end of the workbench is placed with a protective baffle, the outer wall of the protective baffle is fixedly connected with two connecting rods, the lower ends of the two connecting rods are fixedly connected with corresponding sliding blocks respectively, the inner wall of the sliding block is rotatably connected with the rotating rod through the bearing, the outer wall of the rotating rod is fixedly connected with one end of the torque spring, the other end of the torque spring is fixedly connected with the sliding block, the end of the rotating rod passes through the sliding block and is fixedly connected with the knob through the through hole, the outer wall of the rotating rod is fixedly connected with the first connecting rod, the two ends of the first connecting rod are rotatably connected with two second connecting rods through the pin shaft respectively, the ends of the two second connecting rods are rotatably connected with corresponding movable blocks through the pin shaft respectively.
[0008] Preferably, the outer wall of the workbench is rotatably connected with the auxiliary conveying roller through the pin shaft, and the height of the outer wall of the auxiliary conveying roller is consistent with the height of the workbench.
[0009] Preferably, the lower end of the workbench is provided with a second motor, the output shaft of the second motor is fixedly connected with a rotating disc, the upper end of the rotating disc is fixedly connected with a fixed bending wheel, and the upper end of the rotating disc is fixedly connected with a rotating bending wheel.
[0010] Preferably, the outer wall of the two movable blocks is penetrated through the sliding block through a through hole, and the outer wall of the two movable blocks is penetrated through the sliding block through a through hole.
[0011] Preferably, the lower end of the workbench is fixedly connected with four columns, and the lower end of the four columns is fixedly connected with a corresponding base.
[0012] Preferably, the lower end of the fixed column is slidably connected with the workbench through an opening, and the lower end of the vertical plate is fixedly connected with the workbench.
[0013] The utility model discloses the beneficial effects are:
[0014] 1. By setting up the workbench, first motor, round bar, pivot, fixed column, fixed plate, spring, vertical plate, the steel bar that needs to bend is inserted into the gap of round bar and pivot, and the pivot is opened, and the pivot drives the fixed column to move at this time, and the fixed column moves on the workbench and drives the spring to compress at the same time, so that the round bar and the pivot are tightly pressed to the steel bar, then the first motor drives the round bar to rotate, and the round bar transports the steel bar to the inside of the workbench, so that the steel bar moves to the length required to bend, and the first motor stops working, so that the operator can complete the feeding of the steel bar without pushing the steel bar after inserting one end of the steel bar into the gap of the round bar and the pivot, and the steel bar does not need to be re-arranged after being bent once, which reduces the workload of the operator.
[0015] 2. The system comprises a protective baffle, connecting rod, slider, rotating rod, torque spring, first connecting rod, second connecting rod, movable blocks, rubber blocks, knob, and slide rail. When the protective baffle needs to be moved, the operator rotates the knob. The knob rotates the rotating rod, which in turn rotates the torque spring and the first connecting rod. The first connecting rod, through the second connecting rod, moves the two movable blocks closer to the slider, causing the rubber blocks to no longer press against the slide rail. The operator then pulls the connecting rod, which moves the protective baffle until it reaches the desired position. When the protective baffle is positioned at an appropriate distance so that it does not obstruct the bending of the rebar, the operator releases the knob, and the torque spring drives the rotating rod to rotate in the opposite direction. The rotating rod, through the aforementioned transmission method, causes the two rubber blocks to press against the slide rail, fixing the position of the protective baffle. When it is necessary to remove the protective baffle, the two rubber blocks are no longer pressed against the slide rail in the same way, and then the slider is moved out along the slide rail, allowing the protective baffle to be removed from the worktable. This ensures the safety of the operator while not obstructing the bending of the rebar, thereby improving the working efficiency of the rebar bending device. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of a steel bar bending device for building engineering proposed in this utility model;
[0017] Figure 2 for Figure 1 Rear view diagram;
[0018] Figure 3 for Figure 2 A diagram showing the view from below;
[0019] Figure 4 for Figure 1 A cross-sectional view of the middle slider;
[0020] Figure 5 for Figure 1 A magnified view of part A in the middle.
[0021] In the diagram: 1. Workbench; 2. Column; 3. Base; 4. Auxiliary conveyor roller; 5. First motor; 6. Round rod; 7. Vertical plate; 8. Spring; 9. Fixing plate; 10. Fixing column; 11. Rotating shaft; 12. Second motor; 13. Turntable; 14. Fixed bending wheel; 15. Rotating bending wheel; 16. Protective baffle; 17. Connecting rod; 18. Slider; 19. Rotating rod; 20. Torque spring; 21. First connecting rod; 22. Second connecting rod; 23. Movable block; 24. Rubber block; 25. Knob; 26. Slide rail. Detailed Implementation
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.
[0023] Embodiment 1, refer to Figures 1 to 5 A steel bar bending device for constructional engineering, including workbench 1, the lower end of workbench 1 is installed with first motor 5, the model of first motor 5 is selected according to actual demand, and it is selected to meet the work needs, the output shaft of first motor 5 is fixedly connected with round bar 6, first motor 5 drives round bar 6 to rotate, the steel bar needing to be bent is sent to the inside of workbench 1, the outer wall of round bar 6 is in close contact with rotating shaft 11, round bar 6 is in close contact with rotating shaft 11, when the steel bar is inserted into the gap between round bar 6 and rotating shaft 11, round bar 6 and rotating shaft 11 can be in close contact with the steel bar, the inner wall of rotating shaft 11 is rotatably connected with fixed column 10, rotating shaft 11 rotates outside fixed column 10, the upper end of fixed column 10 is fixedly connected with fixed plate 9, fixed plate 9 drives fixed column 10 to move, the outer wall of fixed plate 9 is fixedly connected with one end of spring 8, spring 8 pushes fixed plate 9 to move, so that rotating shaft 11 is always in close contact with the steel bar, the other end of spring 8 is fixedly connected with vertical plate 7, spring 8 is fixed on vertical plate 7, the steel bar needing to be bent is inserted into the gap between round bar 6 and rotating shaft 11, rotating shaft 11 drives fixed column 10 to move, fixed column 10 moves on workbench 1 at the same time, and spring 8 is pressed tightly, so that round bar 6 and rotating shaft 11 are pressed against the steel bar at the same time, then first motor 5 drives round bar 6 to rotate, round bar 6 drives the steel bar to move to the inside of workbench 1, so that the steel bar moves to the length needed to be bent, first motor 5 stops working, so that the operator can complete the feeding of the steel bar without pushing the steel bar after inserting one end of the steel bar into the gap between round bar 6 and rotating shaft 11, and the steel bar does not need to be repositioned after being bent once, thereby reducing the workload of the operator.
[0024] In this embodiment, the upper end of the workbench 1 is provided with a protective baffle 16, which can move on the workbench 1. The outer wall of the protective baffle 16 is fixedly connected with two connecting rods 17. The connecting rods 17 drive the protective baffle 16 to move. The lower ends of the two connecting rods 17 are fixedly connected with corresponding sliding blocks 18 respectively. The connecting rods 17 drive the sliding blocks 18 to move. The inner wall of the sliding block 18 is rotatably connected with a rotating rod 19 through a bearing. The rotating rod 19 rotates in the sliding block 18. The outer wall of the rotating rod 19 is fixedly connected with one end of a torque spring 20. When the rotating rod 19 is not under stress, the torque spring 20 always places according to a fixed angle. The other end of the torque spring 20 is fixedly connected with the sliding block 18. The other end of the torque spring 20 is fixed on the sliding block 18, so that the torque spring 20 will not rotate with the rotating rod 19. The end of the rotating rod 19 penetrates the sliding block 18 through a through hole and is fixedly connected with a knob 25. The knob 25 drives the rotating rod 19 to rotate. The knob 25 makes it more convenient for the operator to rotate the rotating rod 19. The outer wall of the rotating rod 19 is fixedly connected with a first connecting rod 21. The rotating rod 19 drives the first connecting rod 21 to rotate. The two ends of the first connecting rod 21 are rotatably connected with two second connecting rods 22 through pin shafts respectively. The first connecting rod 21 drives the two second connecting rods 22 to rotate synchronously. The ends of the two second connecting rods 22 are rotatably connected with corresponding movable blocks 23 through pin shafts respectively. The two second connecting rods 22 drive the two movable blocks 23 to rotate. The outer wall of the workbench 1 is rotatably connected with an auxiliary conveying roller 4 through a pin shaft. The auxiliary conveying roller 4 rotates on the workbench 1, so that the friction is reduced when the steel bar moves into the workbench 1, and the steel bar is more convenient to move on the workbench 1. The height of the outer wall of the auxiliary conveying roller 4 is consistent with the height of the workbench 1. The lower end of the workbench 1 is provided with a second motor 12. The model of the second motor 12 is selected according to actual needs. The output shaft of the second motor 12 is fixedly connected with a rotating disc 13. The second motor 12 drives the rotating disc 13 to rotate. The upper end of the rotating disc 13 is fixedly connected with a fixed bending wheel 14. The rotating disc 13 drives the upper fixed bending wheel 14 to rotate. The upper end of the rotating disc 13 is fixedly connected with a rotating bending wheel 15. The rotating disc 13 drives the rotating bending wheel 15 to rotate. The outer walls of the two movable blocks 23 penetrate the sliding block 18 through through holes. The movable blocks 23 slide on the sliding block 18. Rubber blocks 24 are installed on the outer walls of the two movable blocks 23. The rubber blocks 24 can abut against a slide 26 to increase the friction and avoid the movement of the protective baffle 16. The outer walls of the two rubber blocks 24 are abutted against the slide 26 opened on the surface of the workbench 1. One end of the slide 26 is provided with an opening, so that the sliding block 18 can move out of the slide 26. The lower end of the workbench 1 is fixedly connected with four stands 2. The lower ends of the four stands 2 are fixedly connected with corresponding bases 3. The lower end of the fixed column 10 is slidably connected with the workbench 1 through an opening. The fixed column 10 moves on the workbench 1. The lower end of the vertical plate 7 is fixedly connected with the workbench 1.
[0025] The working principle of the embodiment is as follows: when the steel bar needs to be bent, the operator inserts the end of the steel bar to be bent into the gap between the round rod 6 and the rotating shaft 11, the rotating shaft 11 drives the fixed column 10 to move, and the fixed column 10 moves on the workbench 1 while driving the spring 8 to be compressed, so that the round rod 6 and the rotating shaft 11 are tightly pressed against the steel bar. After the end of the steel bar enters the gap between the round rod 6 and the rotating shaft 11, the external power supply of the first motor 5 is connected, the first motor 5 is started, the first motor 5 drives the round rod 6 to rotate, the rotation of the round rod 6 drives the steel bar to move towards the inside of the workbench 1, and at the same time, the auxiliary conveying roller 4 rotates to reduce the resistance of the steel bar. When the steel bar moves to the required length to be bent, the first motor 5 stops working. This allows the operator to complete the feeding of the steel bar without pushing the steel bar after inserting one end of the steel bar into the gap between the round rod 6 and the rotating shaft 11, and the steel bar does not need to be repositioned after being bent once, thereby reducing the workload of the operator. When the protective baffle 16 blocks the bending work of the steel bar, the operator rotates the knob 25, the knob 25 drives the rotating rod 19 to rotate, the rotating rod 19 drives the torsion spring 20 to rotate while driving the first connecting rod 21 to rotate, the first connecting rod 21 drives the two movable blocks 23 to move through the second connecting rod 22, the two movable blocks 23 move towards the inside of the sliding block 18, so that the rubber block 24 no longer tightly presses against the slide 26. Then, the operator pulls the connecting rod 17 along the slide 26 away from the far end of the steel bar on the workbench 1, the connecting rod 17 drives the protective baffle 16 to move, and the protective baffle 16 moves to an appropriate distance so that the protective baffle 16 does not block the bending work of the steel bar. The operator releases the knob 25, the torsion spring 20 resets to drive the rotating rod 19 to rotate in the opposite direction, and the rotating rod 19 drives the two rubber blocks 24 to tightly press against the slide 26 through the above transmission mode to fix the position of the protective baffle 16. When the protective baffle 16 needs to be removed, the two rubber blocks 24 no longer tightly press against the slide 26 through the above mode, and then the sliding block 18 is moved out along the slide 26 to move the protective baffle 16 away from the workbench 1. This allows the protective baffle 16 to ensure the safety of the operator while not blocking the bending work of the steel bar, thereby improving the working effect of the steel bar bending device. Then, the external power supply of the second motor 12 is connected, the second motor 12 is started, the second motor 12 drives the rotating disc 13 to rotate, the rotating disc 13 drives the rotating bending wheel 15 to rotate, and since the fixed bending wheel 14 is concentric with the rotating disc 13, the steel bar tightly contacts the fixed bending wheel 14 and is subjected to the rotating force of the rotating bending wheel 15 to be bent. After the bending is completed, the output shaft of the second motor 12 rotates in the opposite direction to reset the rotating bending wheel 15. Through the above mode, the first motor 5 drives the steel bar to continue moving to bend another part of the steel bar. When the steel bar meets the bending requirement, the second motor 12 stops working, the operator takes out the bent steel bar, and the bending work of the steel bar for building engineering is completed.
[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A reinforcing bar bending device for construction work, comprising a worktable (1), characterized in that, The lower end of the workbench (1) is provided with a first motor (5), the output shaft of the first motor (5) is fixedly connected with a round rod (6), the outer wall of the round rod (6) is attached to a rotating shaft (11), the inner wall of the rotating shaft (11) is rotatably connected with a fixed column (10), the upper end of the fixed column (10) is fixedly connected with a fixed plate (9), the outer wall of the fixed plate (9) is fixedly connected with one end of a spring (8), the other end of the spring (8) is fixedly connected with a vertical plate (7).
2. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that, The upper end of the workbench (1) is provided with a protective baffle (16), the outer wall of the protective baffle (16) is fixedly connected with two connecting rods (17), the lower ends of the two connecting rods (17) are respectively fixedly connected with corresponding sliding blocks (18), the inner wall of the sliding block (18) is rotatably connected with a rotating rod (19) through a bearing, the outer wall of the rotating rod (19) is fixedly connected with one end of a torque spring (20), the other end of the torque spring (20) is fixedly connected with the sliding block (18), the end of the rotating rod (19) penetrates the sliding block (18) through a through hole and is fixedly connected with a knob (25), the outer wall of the rotating rod (19) is fixedly connected with a first connecting rod (21), the two ends of the first connecting rod (21) are respectively rotatably connected with two second connecting rods (22) through pins, the ends of the two second connecting rods (22) are respectively rotatably connected with corresponding movable blocks (23) through pins.
3. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that, The outer wall of the workbench (1) is rotatably connected with an auxiliary conveying roller (4) through a pin, the height of the outer wall of the auxiliary conveying roller (4) is consistent with the height of the workbench (1).
4. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that, The lower end of the workbench (1) is provided with a second motor (12), the output shaft of the second motor (12) is fixedly connected with a rotating disc (13), the upper end of the rotating disc (13) is fixedly connected with a fixed bending wheel (14), the upper end of the rotating disc (13) is fixedly connected with a rotating bending wheel (15).
5. The reinforcing bar bending device for constructional engineering according to claim 2, characterized in that, The outer walls of the two movable blocks (23) penetrate the sliding block (18) through through holes, rubber blocks (24) are installed on the outer walls of the two movable blocks (23), and the outer walls of the two rubber blocks (24) are tightly abutted against the slide (26) formed on the surface of the workbench (1).
6. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that, The lower end of the workbench (1) is fixedly connected with four stand columns (2), and the lower ends of the four stand columns (2) are fixedly connected with corresponding bases (3).
7. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that, The lower end of the fixed column (10) is slidably connected with the workbench (1) through an opening, and the lower end of the vertical plate (7) is fixedly connected with the workbench (1).