A reinforcing steel bending device for construction engineering

By designing a fixed block with a fixed position and a movable limit frame, combined with an adjusting motor and lead screw, the distance between the limit frame and the fixed block is adjusted, solving the problem that traditional rebar bending devices are difficult to adapt to rebars of different diameters. This enables flexible bending of rebars of different diameters and allows for the detachable replacement of clamps, thus improving service life.

CN224673671UActive Publication Date: 2026-08-25张红丽
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Patent Information

Application Number
CN202521951239.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2026-08-25
Estimated Expiration
2035-09-11

AI Technical Summary

Technical Problem

Traditional rebar bending devices and clamps are difficult to adapt to fixing rebars of different diameters, and the clamp structure is difficult to disassemble, affecting its service life.

Method used

The design features a fixed block and a movable limit frame, which, combined with an adjusting motor and lead screw, allow for adjustment of the distance between the limit frame and the fixed block. The top of the disc has a detachable fixed frame and threaded rod, allowing for adjustment of the distance between the bending column and the fixed rod. The limit frame's clamping end features slots, inserts, and inserts to facilitate clamping steel bars of different diameters, and the protective plate can be removed to replace damaged parts.

Benefits of technology

It enables flexible bending of steel bars of different diameters, improves the service life and stability of the clamp, and facilitates the replacement of damaged parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a reinforcing bar bending device technical field discloses a reinforcing bar bending device for building engineering, including the platen, the positioning post and the bending rod, the platen top one end rotatoryly provided with the disc, the positioning post installs in the top middle part of disc, the one side of disc top is equipped with the fixed frame through the fixed bolt, the middle part screw thread of fixed frame is equipped with the threaded rod, the bending rod rotatoryly sets up one end of threaded rod, one end fixedly arranged with fixed block of the platen, one side of the platen is equipped with the adjusting motor. In the utility model, this technical scheme designs a fixed fixed block and a movable limiting frame in the top of the platen, and the limiting frame can be controlled to move through the cooperation of the adjusting motor and the screw rod, so as to conveniently adjust the spacing of the limiting frame and the fixed block, and the design of the detachable fixed frame and the threaded rod on the top of the disc is convenient for adjusting the spacing of the bending column and the fixed rod.
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Description

Technical Field

[0001] This utility model relates to the technical field of steel bar bending devices, and in particular to a steel bar bending device for building engineering. Background Technology

[0002] Construction engineering refers to the engineering entity formed by the construction of various buildings and their ancillary facilities, as well as the installation of supporting lines, pipelines and equipment. A large amount of steel bars are used in the construction process of construction engineering. At the same time, in order to meet the construction needs of construction engineering, bending equipment is often used to bend the steel bars.

[0003] During the bending process of steel bars, clamps are usually needed to limit and fix the non-bent ends of the steel bars. The clamps of traditional steel bar bending devices are mostly plates with arc grooves. However, the fixed arc grooves are not suitable for fixing steel bars of different diameters. In addition, the clamps of traditional steel bar bending devices are mostly one-piece structures, which are difficult to disassemble.

[0004] Therefore, those skilled in the art have provided a steel bar bending device for construction engineering to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide a rebar bending device for construction engineering. This solution features a fixed block and a movable limiting frame on the top of the platform. The limiting frame can be moved by adjusting the motor and lead screw, facilitating the adjustment of the distance between the limiting frame and the fixed block. The design of a detachable fixing frame and threaded rod on the top of the disc allows for easy adjustment of the distance between the bending column and the fixing rod. This combination of structures enables bending of rebars of different diameters. The design of the limiting frame's clamping end slot, insert, and cylinder, along with the detachable protective plate on one side of the fixing block, not only facilitates clamping contact with rebars of different diameters but also allows for easy replacement of damaged inserts and protective plates, thus improving the service life of the clamp.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A steel bar bending device for construction engineering includes a platform, a positioning column, and a bending rod. A disc is rotatably mounted on one end of the top of the platform. The positioning column is installed at the middle of the top of the disc. A fixing frame is mounted on one side of the top of the disc by fixing bolts. A threaded rod is threadedly mounted in the middle of the fixing frame. The bending rod is rotatably mounted on one end of the threaded rod. A fixing block is fixedly mounted on one end of the platform. An adjusting motor is mounted on one side of the platform. A lead screw is mounted on the output end of the adjusting motor. A limit frame is slidably mounted on the outer end of the lead screw. Multiple slots are opened on the top of the limit frame. An insertion post is fixedly mounted on the top of each slot. An insertion cylinder is sleeved on the outer end of each insertion post. Through the above technical solution, a fixed block and a movable limiting frame are designed on the top of the platform. The movement of the limiting frame can be controlled by adjusting the cooperation of the motor and the lead screw, thereby facilitating the adjustment of the distance between the limiting frame and the fixed block. The design of the fixed frame and threaded rod that can be detachably installed on the top of the disc facilitates the adjustment of the distance between the bending column and the fixed rod. The combination of the above structures can realize the bending work of steel bars of different diameters. The design of the slot, insert, and insert cylinder at the clamping end of the limiting frame and the design of the detachable protective plate on one side of the fixed block not only facilitates clamping contact with steel bars of different diameters, but also facilitates the replacement of damaged insert cylinders and protective plates, thereby improving the service life of the clamp.

[0007] Furthermore, a protective plate is inserted into one side of the fixing block, a limit frame is fixedly installed at the top center of the protective plate, a fixing frame is fixedly installed at the top center of the fixing block, a movable rod is slidably installed at one end of the fixing frame, an insert plate is fixedly installed at one end of the movable rod, and springs are installed at both ends of one side of the insert plate, and the insert plate is slidably installed inside the fixing frame. Through the above technical solution, the insertion plate with the sliding design inside the fixed frame is inserted into the top limiting frame of the protective plate, thereby further fixing the installation of the protective plate. The design of the movable rod and spring at one end of the insertion plate facilitates the storage and repositioning of the insertion plate.

[0008] Furthermore, a fixed box is fixedly installed on one side of the bottom of the platform, a drive motor is installed on one side of the fixed box, an active bevel gear is installed at the output end of the drive motor, a fixed rod is rotatably installed in the middle of the interior of the fixed box, the top end of the fixed rod is fixedly connected to the bottom of the disc, and a driven bevel gear is fixedly installed at one end of the fixed rod, the driven bevel gear meshing with the active bevel gear; The above technical solution uses a drive motor to rotate the active bevel gear, and then the rotation of the turntable can be controlled by the meshing transmission between the active bevel gear and the driven bevel gear, which facilitates the bending of the steel bars.

[0009] Furthermore, both ends of the bent rod are fixedly provided with sliding rods, and both sliding rods are slidably connected to the fixed frame; one end of the threaded rod is fixedly provided with a turntable. With the above technical solution, sliding rods are fixedly installed at both ends of the bent rod, and both sliding rods are slidably connected to the fixed frame to facilitate the stability of the bent column movement. A turntable is fixedly installed at one end of the threaded rod to facilitate the rotation of the threaded rod.

[0010] Furthermore, each of the aforementioned inserts is fitted with a locking nut at its top threaded end; With the above technical solution, a locking nut is provided at the top threaded end of each insertion post to facilitate the fixing of the insertion cylinder.

[0011] Furthermore, a human-machine interface is installed on one side of the top of the platform, and the human-machine interface is electrically connected to both the drive motor and the adjustment motor. With the above technical solution, a human-machine interface is installed on one side of the top of the platform. The human-machine interface is electrically connected to the drive motor and the adjustment motor, which facilitates the control of the entire device.

[0012] This utility model has the following beneficial effects: 1. This utility model proposes a steel bar bending device for construction engineering. The technical solution features a fixed block and a movable limiting frame on the top of the platform. The limiting frame can be moved by adjusting the motor and lead screw, thus facilitating the adjustment of the distance between the limiting frame and the fixed block. The design of a detachable fixing frame and threaded rod on the top of the disc facilitates the adjustment of the distance between the bending column and the fixing rod. This combination of structures enables bending of steel bars of different diameters. The design of the limiting frame's clamping end slot, insert column, and insert cylinder, along with the detachable protective plate on one side of the fixing block, not only facilitates clamping contact with steel bars of different diameters but also allows for easy replacement of damaged insert cylinders and protective plates, thus improving the service life of the clamp.

[0013] 2. The present invention proposes a steel bar bending device for construction engineering. By inserting a sliding plate inside the fixed frame into the top limiting frame of the protective plate, the installation of the protective plate can be further fixed. The design of the movable rod and spring at one end of the plate facilitates the storage and repositioning of the plate. Attached Figure Description

[0014] Figure 1 This is an isometric view of a steel bar bending device for building engineering proposed in this utility model; Figure 2 This is a sectional view of a steel bar bending device for building engineering proposed in this utility model; Figure 3This is a partial unfolded schematic diagram of a steel bar bending device for building engineering proposed in this utility model; Figure 4 This is a schematic diagram of the unfolded limit frame of a steel bar bending device for building engineering proposed in this utility model; Figure 5 This is a cross-sectional view of the fixing frame of a steel bar bending device for building engineering proposed in this utility model; Figure 6 This is an isometric view of the fixing frame of a steel bar bending device for building engineering proposed in this utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Platform; 2. Fixing box; 3. Drive motor; 4. Driving bevel gear; 5. Fixing rod; 6. Driven bevel gear; 7. Disc; 8. Positioning pin; 9. Fixing frame; 10. Threaded rod; 11. Bending rod; 12. Slide rod; 13. Adjusting motor; 14. Lead screw; 15. Limiting frame; 16. Slot; 17. Insertion pin; 18. Insertion cylinder; 19. Locking nut; 20. Human-machine interface; 21. Fixing block; 22. Protective plate; 23. Limiting frame; 24. Fixing frame; 25. Movable rod; 26. Insertion plate; 27. Spring. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Reference Figure 1-6 This utility model provides a specific implementation method: A steel bar bending device for construction engineering includes a platform 1, a positioning column 8, and a bending rod 11. A disc 7 is rotatably mounted at one end of the platform 1. The positioning column 8 is installed at the center of the top of the disc 7. A fixing frame 9 is mounted on one side of the top of the disc 7 via fixing bolts. A threaded rod 10 is threadedly mounted in the center of the fixing frame 9. The bending rod 11 is rotatably mounted at one end of the threaded rod 10. A fixing block 21 is fixedly mounted at one end of the platform 1. An adjusting motor 13 is mounted on one side of the platform 1. A lead screw 14 is mounted at the output end of the adjusting motor 13. A limit frame 15 is slidably mounted on the outer end of the lead screw 14. Multiple slots 16 are opened on the top of the limit frame 15. An insertion post 17 is fixedly mounted on the top of each slot 16. An insertion cylinder 18 is sleeved on the outer end of each insertion post 17. A fixed block 21 and a movable limiting frame 15 are designed on the top of the platform 1. The limiting frame 15 can be moved by adjusting the cooperation of the motor 13 and the lead screw 14, so as to facilitate the adjustment of the distance between the limiting frame 15 and the fixed block 21. The design of the fixed frame 9 and the threaded rod 10 that can be detachably installed on the top of the disc 7 facilitates the adjustment of the distance between the bending column and the fixed rod 5. The combination of the above structures can realize the bending work of steel bars of different diameters. The design of the clamping end slot 16, the insertion column 17 and the insertion cylinder 18 of the limiting frame 15 and the design of the protective plate 22 that can be detachably installed on one side of the fixed block 21 not only facilitates the clamping contact with steel bars of different diameters, but also facilitates the replacement of damaged insertion cylinder 18 and protective plate 22, thereby improving the service life of the clamp.

[0018] A protective plate 22 is inserted into one side of the fixing block 21. A limit frame 23 is fixedly installed at the top center of the protective plate 22. A fixing frame 24 is fixedly installed at the top center of the fixing block 21. A movable rod 25 is slidably installed at one end of the fixing frame 24. An insert plate 26 is fixedly installed at one end of the movable rod 25. Springs 27 are installed at both ends of one side of the insert plate 26. The insert plate 26 is slidably installed inside the fixing frame 24. Through the insertion of the insert plate 26, which is slidably designed inside the fixing frame 24, into the limit frame 23 at the top of the protective plate 22, the protective plate 22 can be further secured. The installation is fixed in place, and the design of the movable rod 25 and spring 27 at one end of the insertion plate 26 facilitates the storage and repositioning of the insertion plate 26. A fixed box 2 is fixedly installed on one side of the bottom of the platform 1, and a drive motor 3 is installed on one side of the fixed box 2. A drive bevel gear 4 is installed at the output end of the drive motor 3. A fixed rod 5 is rotatably installed in the middle of the interior of the fixed box 2. The top end of the fixed rod 5 is fixedly connected to the bottom of the disc 7, and a driven bevel gear 6 is fixedly installed at one end of the fixed rod 5. The driven bevel gear 6 meshes with the drive bevel gear 4, and is driven by the drive motor. Machine 3 drives the active bevel gear 4 to rotate, and then the rotation of the turntable can be controlled by the meshing transmission between the active bevel gear 4 and the driven bevel gear 6, which facilitates the bending of the steel bar. Slide rods 12 are fixedly installed at both ends of the bending rod 11, and both slide rods 12 are slidably connected to the fixed frame 9. A turntable is fixedly installed at one end of the threaded rod 10. Slide rods 12 are fixedly installed at both ends of the bending rod 11, and both slide rods 12 are slidably connected to the fixed frame 9 to ensure the stability of the bending column's movement. A turntable is fixed at one end to facilitate the rotation of the threaded rod 10. Each insert 17 is fitted with a locking nut 19 at the top threaded end to facilitate the fixing of the insert 18. A human-machine interface 20 is installed on one side of the top of the platform 1. The human-machine interface 20 is electrically connected to the drive motor 3 and the regulating motor 13 to facilitate the control of the entire device.

[0019] Working principle: This technical solution features a fixed block 21 and a movable limiting frame 15 on the top of the platform 1. The limiting frame 15 can be moved by adjusting the cooperation of the motor 13 and the lead screw 14, thus facilitating the adjustment of the distance between the limiting frame 15 and the fixed block 21. The design of the detachable fixing frame 9 and threaded rod 10 on the top of the disc 7 facilitates the adjustment of the distance between the bending column and the fixing rod 5. The combination of these structures allows for bending of steel bars of different diameters. The limiting frame 15 has a clamping end slot 16. The design of the insert post 17 and insert cylinder 18, and the design of the detachable protective plate 22 on one side of the fixing block 21, not only facilitates clamping contact with steel bars of different diameters, but also facilitates the replacement of damaged insert cylinder 18 and protective plate 22, thus improving the service life of the clamp. The insertion plate 26 with the sliding design inside the fixing frame 24 is inserted into the top limiting frame 23 of the protective plate 22, thereby further fixing the installation of the protective plate 22. The design of the movable rod 25 and spring 27 at one end of the insert plate 26 facilitates the storage and reset extension of the insert plate 26.

[0020] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0021] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A reinforcing bar bending device for constructional engineering, comprising a base plate (1), a positioning column (8) and a bending rod (11), characterized in that: A disc (7) is rotatably mounted on one end of the top of the platform (1). A positioning post (8) is installed at the middle of the top of the disc (7). A fixing frame (9) is installed on one side of the top of the disc (7) by fixing bolts. A threaded rod (10) is threadedly mounted in the middle of the fixing frame (9). A bending rod (11) is rotatably mounted on one end of the threaded rod (10). A fixing block (21) is fixedly mounted on one end of the platform (1). An adjusting motor (13) is installed on one side of the platform (1). A lead screw (14) is installed at the output end of the adjusting motor (13). A limit frame (15) is slidably mounted on the outer end of the lead screw (14). A plurality of slots (16) are opened on the top of the limit frame (15). A plug post (17) is fixedly mounted on the top of each slot (16). A plug cylinder (18) is sleeved on the outer end of each plug post (17).

2. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that: A protective plate (22) is inserted into one side of the fixed block (21). A limit frame (23) is fixedly installed at the top center of the protective plate (22). A fixed frame (24) is fixedly installed at the top center of the fixed block (21). A movable rod (25) is slidably installed at one end of the fixed frame (24). A plug plate (26) is fixedly installed at one end of the movable rod (25). Springs (27) are installed at both ends of one side of the plug plate (26). The plug plate (26) is slidably installed inside the fixed frame (24).

3. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that: A fixed box (2) is fixedly installed on one side of the bottom end of the platform (1). A drive motor (3) is installed on one side of the fixed box (2). An active bevel gear (4) is installed at the output end of the drive motor (3). A fixed rod (5) is rotatably installed in the middle of the interior of the fixed box (2). The top end of the fixed rod (5) is fixedly connected to the bottom of the disc (7). A driven bevel gear (6) is fixedly installed at one end of the fixed rod (5). The driven bevel gear (6) meshes with the active bevel gear (4).

4. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that: Both ends of the bent rod (11) are fixedly provided with slide rods (12), and both slide rods (12) are slidably connected to the fixed frame (9). One end of the threaded rod (10) is fixedly provided with a turntable.

5. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that: Each of the aforementioned inserts (17) is fitted with a locking nut (19) at its top threaded end.

6. The reinforcing bar bending device for constructional engineering according to claim 1, characterized in that: A human-machine interface (20) is installed on one side of the top of the platform (1). The human-machine interface (20) is electrically connected to the drive motor (3) and the adjustment motor (13).