Reinforcing steel bar bending equipment with adjustable bending radian

Abstract

The utility model discloses reinforcing steel bar bending equipment with an adjustable bending radian, which comprises a bending table board and an adjusting support box body arranged at one end of the top of the bending table board, and further comprises two groups of included angle adjusting components, each included angle adjusting assembly comprises a movable arm connected with the adjusting supporting box body and an installation groove formed in the inner side of the movable arm, rolling wheels are evenly installed in the installation grooves, and a top wheel is further installed at the top end of each movable arm; a first gear and a second gear which are meshed with each other are installed in the adjusting supporting box body side by side, a rotating shaft of the first gear and a rotating shaft of the second gear are fixedly connected with the two movable arms respectively, and a protractor is further arranged at the position, below the movable arms, of the top of the adjusting supporting box body. By arranging the two groups of symmetrical included angle adjusting assemblies, the two groups of movable arms can be opened towards the two sides or closed towards the inner side along the symmetry axis at the same time, and the design ensures that the bending radian of the steel bar is accurately adjusted.

Description

Technical Field

[0001] This utility model relates to the field of steel bar bending technology, specifically to a steel bar bending device with adjustable bending arc. Background Technology

[0002] In the construction and engineering fields, rebar bending technology is a widely used and crucial process. Traditional rebar bending equipment often relies on fixed molds or manual adjustments to complete the bending operation. However, this method inherently has many significant drawbacks: First, precise control of the bending angle and curvature is difficult to achieve, resulting in insufficient processing accuracy; second, the operation process is complex, cumbersome, and inefficient, failing to meet the requirements of efficient construction in modern buildings; third, such equipment lacks the necessary flexibility and cannot effectively cope with the diverse bending needs of rebars of different specifications; most importantly, stress concentration is easily induced during the rebar bending process, significantly increasing the risk of damage to the rebar structure and affecting project quality and service life. Therefore, there is an urgent need to develop new rebar bending technologies to overcome these shortcomings and improve the overall technical level of the industry. Utility Model Content

[0003] The purpose of this invention is to provide a steel bar bending device with adjustable bending curvature to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a rebar bending device with adjustable bending curvature, comprising a bending table and an adjustable support box disposed at one end of the top of the bending table, and further comprising...

[0005] Angle adjustment assembly, wherein two sets of angle adjustment assemblies are provided, each angle adjustment assembly includes a movable arm connected to the adjustment support box and a mounting groove disposed on the inner side of the movable arm, rollers are evenly installed inside the mounting groove, and a top wheel is also installed at the top of the movable arm;

[0006] The adjustable support box has two gears, one and two, installed side by side inside. The shafts of gears one and two are fixedly connected to the two movable arms, and a protractor is also provided on the top of the adjustable support box below the movable arms.

[0007] The length adjustment structure includes an adjustment groove 2 located on the top of the bending table at one end of the included angle adjustment component. A baffle is provided above the adjustment groove 2, and a scale is also provided on the top of the bending table on one side of the adjustment groove 2.

[0008] One end of the bending table is fixed with a hydraulic expansion joint by a clamp, and the output end of the hydraulic expansion joint is equipped with a bending wheel via a mounting base. A pressure sensor is installed at the connection between the hydraulic expansion joint and the mounting base.

[0009] Furthermore, a servo motor is installed on one side of the bending table, the output end of the servo motor extends into the interior of the adjustment groove two and is equipped with a lead screw, the bottom of the baffle is connected to the lead screw, and one end of the baffle is provided with a pointer extending to the top of the scale.

[0010] Furthermore, a groove is provided on the movable arm between the top wheel and the roller, and a locking bolt is provided inside the groove via a knob. An adjustment groove is provided on the top of the bending table to match the locking bolt, and the adjustment groove is arc-shaped.

[0011] Furthermore, each of the two movable arms above the adjustment support box is equipped with a second knob, and the two second knobs are respectively connected to the shafts of gear one and gear two.

[0012] Furthermore, a snap-fit ​​groove is provided on one side of the mounting base, and a guide groove is provided on the top of the bending platform below the mounting base. A guide slider extending into the guide groove is also provided at the bottom of the mounting base.

[0013] Furthermore, a fixing frame is provided on the outer side of the bending wheel, and a snap-fit ​​block is provided on one side of the fixing frame. The bending wheel can be detachably installed on the inner side of the snap-fit ​​groove of the mounting base through the snap-fit ​​block. Fastening bolts for fixing the snap-fit ​​block are also provided on both sides of the mounting base.

[0014] Furthermore, a groove is provided on one side of the top of the bending table, and feeding rollers are arranged side by side inside the groove. Each feeding roller has a waist groove in the middle, and anti-slip pads are evenly arranged inside the waist groove.

[0015] This utility model relates to a steel bar bending device with adjustable bending arc, which has significant technical advantages and positive effects compared with the prior art, specifically reflected in the following aspects:

[0016] 1. Precise control of curvature:

[0017] By setting up two symmetrical sets of angle adjustment components, and with the action of gear one and gear two, the two sets of movable arms can simultaneously open to the sides or close inward along the axis of symmetry. This design ensures precise adjustment of the bending arc of the rebar. Combined with the protractor located on the top of the adjustment support box, and knobs one and two on the movable arms, users can quickly and accurately fix the desired bending angle. This technical feature directly solves the problem of precise control of the bending arc in existing technologies, significantly improving the accuracy and efficiency of bending operations.

[0018] 2. Flexible bending position adjustment:

[0019] This equipment features a length adjustment structure consisting of an adjustment slot, a servo motor, a lead screw, and a baffle, allowing for flexible adjustment of the rebar bending position according to actual needs. Driven by the servo motor and precisely transmitted through the lead screw, the baffle position can be accurately adjusted. Combined with a scale and a pointer on one side of the baffle, users can intuitively monitor the bending position, ensuring accuracy in every bending operation. This design not only improves the equipment's applicability but also significantly enhances production efficiency and product quality.

[0020] 3. Real-time monitoring and intelligent adjustment:

[0021] The equipment integrates pressure sensors that can monitor the bending stress of the reinforcing bars in real time. Based on the data fed back by the sensors, the system can automatically adjust the parameters of the hydraulic expansion joint to ensure that the bending curvature is always in a precise and controllable state. This intelligent monitoring and adjustment mechanism not only avoids deformation or damage to the reinforcing bars caused by uneven stress, but also further improves the stability and reliability of the bending process.

[0022] 4. Improve production efficiency and product quality:

[0023] Because this equipment can precisely control the bending arc and bending position, it reduces the errors and time-consuming nature of traditional manual adjustments, significantly improving production efficiency. At the same time, the precise bending operation ensures the quality of the finished steel bars, reduces the scrap rate, and lowers production costs.

[0024] 5. Save raw materials and reduce environmental pollution:

[0025] By precisely controlling the bending process, material waste caused by improper operation is reduced, thus saving raw materials. Furthermore, the intelligent design and efficient operation of the equipment lower energy consumption and reduce waste emissions during production, resulting in positive environmental protection benefits.

[0026] In summary, this utility model of a rebar bending device with adjustable bending arc, through multiple technological innovations and optimized design, not only solves many problems existing in the prior art, but also significantly improves the performance and production efficiency of the equipment, resulting in significant economic and social benefits and reflecting positive technological progress and development trends. Attached Figure Description

[0027] Figure 1 This is a top view of the structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the included angle adjustment component of this utility model;

[0029] Figure 3 This is a schematic diagram of the movable arm structure of this utility model;

[0030] Figure 4 This is a schematic diagram of the bending wheel installation structure of this utility model;

[0031] Figure 5 This is a front view of the bending wheel front end of this utility model;

[0032] In the diagram: 1. Bending table; 101. Adjustment groove one; 102. Groove; 103. Guide slide; 2. Length adjustment structure; 201. Scale; 202. Pointer; 203. Adjustment groove two; 204. Servo motor; 205. Lead screw; 206. Baffle; 3. Angle adjustment assembly; 301. Movable arm; 302. Mounting groove; 303. Roller; 304. Groove body; 305. Knob one; 306. 307. Top wheel; 308. Locking bolt; 309. Knob 2; 4. Adjusting support box; 401. Gear 1; 402. Gear 2; 5. Protractor; 6. Feeding roller; 601. Waist groove; 7. Bending wheel; 701. Fixing frame; 702. Clip block; 8. Mounting base; 801. Clip groove; 802. Fastening bolt; 803. Guide slider; 9. Clamp; 10. Hydraulic expansion joint; 11. Pressure sensor. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0034] Please see Figure 1-5 One embodiment of this utility model provides a rebar bending device with adjustable bending curvature, including a bending table 1 and an adjustable support box 4 disposed at one end of the top of the bending table 1, and further including...

[0035] Angle adjustment assembly 3 is provided in two sets. Each angle adjustment assembly 3 includes a movable arm 301 connected to the adjustment support box 4 and a mounting groove 302 located inside the movable arm 301. Rollers 303 are evenly installed inside the mounting groove 302. A top wheel 306 is also installed at the top of the movable arm 301. A groove 304 is provided on the movable arm 301 between the top wheel 306 and the roller 303. A locking bolt 307 is provided inside the groove 304 through a knob 305. An adjustment groove 101 matching the locking bolt 307 is provided on the top of the bending table 1. The adjustment groove 101 has an arc-shaped structure.

[0036] The adjustment support box 4 is the basic support structure of the angle adjustment component 3. Its material can be metal or high-strength plastic to ensure the stability and durability of the overall structure.

[0037] Movable arm 301: Each angle adjustment assembly 3 includes a movable arm 301. One end of the movable arm 301 is connected to the adjustment support box 4 via a pivot, so that the movable arm 301 can rotate within a certain range.

[0038] Mounting slot 302: Mounting slot 302 is located on the inner side of movable arm 301 and is used to mount roller 303. The depth and width of mounting slot 302 are designed according to the size of roller 303 to ensure that roller 303 can rotate smoothly.

[0039] Rollers 303: Rollers 303 are evenly installed inside the mounting groove 302. The material of rollers 303 can be wear-resistant plastic or metal. Their function is to reduce the friction of the movable arm 301 during the adjustment process and improve the flexibility and smoothness of the adjustment.

[0040] Top wheel 306: Top wheel 306 is installed at the top of movable arm 301. The material of top wheel 306 is the same as that of roller 303. The main function of top wheel 306 is to support and guide, ensuring that the steel bar remains stable during bending.

[0041] Slot 304: Slot 304 is mounted on the movable arm 301 between the top wheel 306 and the roller 303. The interior of slot 304 is used to install the locking bolt 307. Knob 305: Knob 305 is threadedly connected to the locking bolt 307 inside slot 304. The exterior of knob 305 is designed with textures or protrusions for easy operation, allowing the user to easily tighten or loosen the locking bolt 307. Locking Bolt 307: The locking bolt 307 is adjusted via knob 305. Its front end matches the adjustment slot 101. By tightening the locking bolt 307, the movable arm 301 can be fixed at the desired angle position.

[0042] Bending table 1: The top of the bending table 1 is provided with an adjustment groove 101. The adjustment groove 101 has an arc-shaped structure, and its curvature matches the adjustment range of the movable arm 301, ensuring that the locking bolt 307 can be securely locked in any adjustment position.

[0043] Adjustable support box 4, inside which gear 1 401 and gear 2 402 are installed side by side and mesh with each other. The rotating shafts of gear 1 401 and gear 2 402 are fixedly connected to two movable arms 301 respectively. A protractor 5 is also provided on the top of the adjustable support box 4 below the movable arms 301. The top of the two movable arms 301 above the adjustable support box 4 is equipped with knob 2 308. The two knobs 2 308 are connected to the rotating shafts of gear 1 401 and gear 2 402 respectively.

[0044] The internal structure of the adjustment support box 4 is cleverly designed to ensure the realization of its function. Specifically, gear 1 401 and gear 2 402 are installed side by side inside the adjustment support box 4 and mesh with each other. The rotating shafts of gear 1 401 and gear 2 402 are fixedly connected to two movable arms 301 respectively. This connection method ensures that the rotation of the gears can drive the movable arms 301 to perform corresponding movements.

[0045] Furthermore, a protractor 5 is also provided on the top of the adjustment support box 4 below the movable arm 301. The protractor 5 is used to monitor and display the rotation angle of the movable arm 301 in real time, thereby providing the user with a precise angle adjustment reference. The scale of the protractor 5 is clear and easy to read, and its fixing method ensures that it will not shift during use, thus guaranteeing the accuracy of the measurement.

[0046] Above the adjustment support box 4, each of the two movable arms 301 is equipped with a second knob 308. The knobs 308 are ergonomically designed for easy operation. The two knobs 308 are connected to the shafts of gear 1 401 and gear 2 402, respectively. By rotating the knobs 308, the rotation of gear 1 401 and gear 2 402 can be controlled, thereby driving the movable arms 301 to adjust their angle.

[0047] The specific steps are as follows:

[0048] 1. The user first observes the initial reading of the protractor 5 to ensure that the movable arm 301 is in the initial position.

[0049] 2. Adjust the angle as needed by rotating the movable arm 301. The rotation of the movable arm 301 is transmitted to gear 401 or gear 402 via the rotating shaft, causing it to rotate.

[0050] 3. Since gear 1 401 and gear 2 402 mesh with each other, when one gear rotates, the other gear will also rotate, thereby driving the two movable arms 301 to adjust their angles synchronously.

[0051] 4. During the adjustment process, observe the reading of the protractor 5 in real time until the desired angle is achieved.

[0052] 5. After adjustment, knob 2 308 can be locked in position to ensure the angle of movable arm 301 is stable.

[0053] The length adjustment structure 2 includes an adjustment groove 203 located on the top of the bending table 1 at one end of the angle adjustment component 3. A baffle 206 is provided above the adjustment groove 203. A scale 201 is also provided on the top of the bending table 1 on one side of the adjustment groove 203. A servo motor 204 is installed on one side of the bending table 1. The output end of the servo motor 204 extends into the interior of the adjustment groove 203 and is equipped with a lead screw 205. The bottom of the baffle 206 is connected to the lead screw 205, and a pointer 202 extending above the scale 201 is provided at one end of the baffle 206.

[0054] Adjustment groove 203: Adjustment groove 203 is located at the top of one end of the bending table 1, and is long and narrow, used to accommodate the lead screw 205 and the baffle 206.

[0055] Scale 201: Scale 201 is set on the top of the bending table 1 on one side of the adjustment groove 203, and is used to indicate the position of the baffle 206.

[0056] Servo motor 204: Servo motor 204 is installed on one side of bending table 1, and its output end extends into the interior of adjustment groove 203.

[0057] Lead screw 205: Lead screw 205 is installed at the output end of servo motor 204 and connected to the bottom of baffle 206.

[0058] Baffle 206: Baffle 206 is located above the adjustment groove 203, its bottom is connected to the lead screw 205, and one end is provided with a pointer 202 extending above the scale 201.

[0059] Working principle

[0060] The length adjustment structure 2 of this utility model achieves length adjustment through the following steps:

[0061] Start servo motor 204: When length adjustment is required, start servo motor 204. The output of servo motor 204 drives the lead screw 205 to rotate.

[0062] The lead screw 205 drives the baffle 206 to move: the rotation of the lead screw 205 causes the baffle 206 connected to it to move in a straight line within the adjustment groove 203.

[0063] Pointer 202 indicates the scale: When the baffle 206 moves, the pointer 202 at its upper end moves on the scale 201 to indicate the current position of the baffle 206.

[0064] Stop after reaching the predetermined position: When the pointer 202 moves to the predetermined scale position, the servo motor 204 stops running, and the position of the baffle 206 at this time is the length to be adjusted.

[0065] One end of the bending table 1 is fixed with a hydraulic expansion joint 10 by a clamp 9. The output end of the hydraulic expansion joint 10 is provided with a bending wheel 7 via a mounting base 8. A pressure sensor 11 is provided at the connection between the hydraulic expansion joint 10 and the mounting base 8.

[0066] A snap-fit ​​groove 801 is provided on one side of the mounting base 8, and a guide groove 103 is provided on the top of the bending table 1 below the mounting base 8. A guide slider 803 extending into the guide groove 103 is also provided at the bottom of the mounting base 8.

[0067] A fixing frame 701 is provided on the outer side of the bending wheel 7, and a snap-fit ​​block 702 is provided on one side of the fixing frame 701. The bending wheel 7 can be detachably installed on the inner side of the snap-fit ​​groove 801 of the mounting base 8 through the snap-fit ​​block 702. Fastening bolts 802 for fixing the snap-fit ​​block 702 are also provided on both sides of the mounting base 8.

[0068] The clamp 9 is made of high-strength material to ensure that the hydraulic expansion joint 10 is stable and does not loosen during the expansion and contraction process.

[0069] The function of the hydraulic expansion joint 10 is to realize the extension and retraction of the bending wheel 7 through hydraulic drive, thereby completing the bending operation of the workpiece.

[0070] Mounting base 8: One side of the mounting base 8 is provided with a snap-fit ​​groove 801 for engaging with the snap-fit ​​block 702 of the bending wheel 7. The bottom of the mounting base 8 is also provided with a guide slider 803 extending into the guide groove 103 to ensure that the bending wheel 7 remains stable and precise during movement.

[0071] Guide groove 103: Located at the top of the bending table 1, it cooperates with the guide slider 803 to play a guiding and supporting role.

[0072] Bending wheel 7: A fixing frame 701 is provided on its outer side, and a snap-fit ​​block 702 is provided on one side of the fixing frame 701. The bending wheel 7 can be detachably installed inside the snap-fit ​​groove 801 of the mounting base 8 via the snap-fit ​​block 702, which facilitates maintenance and replacement.

[0073] Fastening bolts 802: Fastening bolts 802 are provided on both sides of the mounting base 8 to fix the snap-fit ​​block 702, ensuring that the bending wheel 7 is stable and reliable after installation.

[0074] Pressure sensor 11: Located at the connection between hydraulic expansion joint 10 and mounting base 8, it is used to monitor pressure changes in real time during the bending process to ensure operational safety.

[0075] Specifically, the hydraulic expansion joint 10 is activated, causing its output end to push the bending wheel 7 along the guide groove 103 of the mounting base 8. The pressure sensor 11 monitors pressure changes in real time and feeds the data back to the control system. As the hydraulic expansion joint 10 pushes, the bending wheel 7 gradually presses against the workpiece, causing it to bend. The control system adjusts the extension speed and pressure of the hydraulic expansion joint 10 to ensure a smooth bending process that meets process requirements. Once the workpiece reaches the predetermined bending angle, the hydraulic expansion joint 10 is stopped and returned to its initial position.

[0076] The cooperation between the guide groove 103 and the guide slider 803 ensures that the bending wheel 7 remains stable and accurate during movement, thus improving bending accuracy.

[0077] Safety monitoring: Pressure sensor 11 monitors pressure changes in real time during the bending process to ensure operational safety and prevent overload damage.

[0078] A groove 102 is provided on one side of the top of the bending table 1. Feeding rollers 6 are arranged side by side inside the groove 102. A waist groove 601 is provided in the middle of each feeding roller 6. Anti-slip pads are evenly arranged inside the waist groove 601.

[0079] The depth and width of the groove 102 are designed according to the dimensions of the feeding roller 6 to ensure that the feeding roller 6 can be installed smoothly and operate stably. The groove 102 is located on the top side of the bending table 1, and its shape is long and narrow, with enough internal space to accommodate multiple feeding rollers 6. The bottom and side walls of the groove 102 are smooth and flat to reduce the frictional resistance of the feeding roller 6 during operation.

[0080] The feeding roller 6 is a key component of this invention, its main function being to feed material during the bending process. Each feeding roller 6 has a groove 601 in the middle, the depth and width of which are designed according to the size of the anti-slip pad to ensure the pad is securely embedded within it. The feeding roller 6 is typically made of high-strength steel with a surface coating to improve its wear resistance and corrosion resistance. Bearing seats are located at both ends of the feeding roller 6, and rolling bearings are installed inside the bearing seats to ensure the feeding roller 6 can rotate freely.

[0081] The waist groove 601 is located in the middle of the feeding roller 6. It is an annular groove with anti-slip pads evenly distributed inside. The depth and width of the waist groove 601 are designed according to the size of the anti-slip pads to ensure they are securely embedded within. The main function of the anti-slip pads is to increase the friction between the feeding roller 6 and the material, preventing the material from slipping during feeding. The anti-slip pads are typically made of high-friction rubber material, possessing a certain degree of elasticity and wear resistance. The anti-slip pads are evenly distributed inside the waist groove 601, and their shape and size match the groove to ensure a secure embedding. The surface of the anti-slip pads has an uneven texture to further increase the friction between them and the material.

[0082] Specifically, as the material moves forward along the feeding roller 6, an anti-slip pad is provided in the middle of the feeding roller 6. The material comes into contact with the anti-slip pad during movement, and the high coefficient of friction of the anti-slip pad can effectively prevent the material from sliding, thereby ensuring that the material can be fed smoothly and accurately into the bending area.

[0083] In this embodiment, loosening knob 1 305 and knob 2 308 allows the movable arms 301 to be opened to both sides or simultaneously closed inwards. The angle between the two movable arms 301 is observed using a protractor 5. When the angle is adjusted to the desired angle, knob 1 305 and knob 2 308 are locked to fix the bending angle. As needed, the servo motor 204 drives the lead screw 205 to rotate. Under the action of the screw thread, the baffle 206 moves to an adjustment position above the adjustment groove 203, and the pointer... With the cooperation of 202 and scale 201, the bending position of the steel bar is accurately determined. One end of the steel bar is pushed forward along the waist groove 601 of the feeding roller 6 until the bottom end of the steel bar contacts the baffle 206. The hydraulic expansion joint 10 is activated, which drives the bending wheel 7 to move forward. Under the action of the top wheel 306, the steel bar is pushed into the space between the two movable arms 301 and moves forward along the parallel rollers 303 until the top end, realizing the bending requirement of the steel bar arc. The hydraulic expansion joint 10 drives the bending wheel 7 to retract, and the bent steel bar can be taken out.

[0084] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0085] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0086] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0087] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A steel bar bending device with adjustable bending arc, comprising a bending table (1) and an adjustable support box (4) disposed at one end of the top of the bending table (1), characterized in that: Also includes Angle adjustment assembly (3) is provided in two sets. Each angle adjustment assembly (3) includes a movable arm (301) connected to the adjustment support box (4) and a mounting groove (302) provided inside the movable arm (301). Rollers (303) are evenly installed inside the mounting groove (302). A top wheel (306) is also installed at the top of the movable arm (301). Adjustable support box (4), inside which gear one (401) and gear two (402) are installed in parallel and meshing with each other. The rotating shafts of gear one (401) and gear two (402) are respectively fixedly connected to the two movable arms (301), and a protractor (5) is also provided on the top of the adjustable support box (4) below the movable arms (301); The length adjustment structure (2) includes an adjustment groove (203) set on the top of the bending table (1) at one end of the angle adjustment component (3), a baffle (206) is set above the adjustment groove (203), and a scale (201) is also set on the top of the bending table (1) on one side of the adjustment groove (203). One end of the bending table (1) is fixed with a hydraulic expansion joint (10) by a clamp (9). The output end of the hydraulic expansion joint (10) is provided with a bending wheel (7) through a mounting base (8). A pressure sensor (11) is provided at the connection between the hydraulic expansion joint (10) and the mounting base (8).

2. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: A servo motor (204) is installed on one side of the bending table (1). The output end of the servo motor (204) extends into the interior of the adjustment groove (203) and is equipped with a lead screw (205). The bottom of the baffle (206) is connected to the lead screw (205), and one end of the baffle (206) is provided with a pointer (202) extending above the scale (201).

3. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: A groove (304) is provided on the movable arm (301) between the top wheel (306) and the roller (303). A locking bolt (307) is provided inside the groove (304) through a knob (305). An adjustment groove (101) matching the locking bolt (307) is provided on the top of the bending table (1). The adjustment groove (101) has an arc-shaped structure.

4. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: The top of each of the two movable arms (301) above the adjustment support box (4) is equipped with a knob (308), and the two knobs (308) are respectively connected to the shafts of gear one (401) and gear two (402).

5. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: The mounting base (8) has a snap-fit ​​groove (801) on one side, and a guide groove (103) is provided on the top of the bending table (1) below the mounting base (8). The bottom of the mounting base (8) is also provided with a guide slider (803) extending into the guide groove (103).

6. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: A fixing frame (701) is provided on the outer side of the bending wheel (7), and a snap-fit ​​block (702) is provided on one side of the fixing frame (701). The bending wheel (7) can be detachably installed on the inner side of the snap-fit ​​groove (801) of the mounting base (8) through the snap-fit ​​block (702). Fastening bolts (802) for fixing the snap-fit ​​block (702) are also provided on both sides of the mounting base (8).

7. The steel bar bending device with adjustable bending arc according to claim 1, characterized in that: A groove (102) is provided on one side of the top of the bending table (1). Feeding rollers (6) are arranged side by side inside the groove (102). A waist groove (601) is provided in the middle of each feeding roller (6). Anti-slip pads are evenly arranged inside the waist groove (601).

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