Steel bar bending device for building construction

By introducing a tightening roller and bending motor into the steel bar bending device, stable bending and limiting of the steel bars are achieved, the problem of steel bars is solved, and the stability and position accuracy of the device are improved.

CN223114050UActive Publication Date: 2025-07-18YANTAI JIANZHENG CONSTR ENG TESTING CO LTD
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Patent Information

Application Number
CN202422270022.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-18
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing steel bar bending devices for construction construction have poor fixing effect when the steel bars are bent, and the steel bars are prone to pop out, affecting the stability of the bending position.

Method used

A steel bar bending device including a tightening roller, a limiting roller and a bending motor is designed. By tightening the steel bar with the tightening roller, the bending motor drives the thread sleeve to rotate, so that the threaded rod pushes the rotating seat to move, achieving stable bending and limiting of the steel bar.

Benefits of technology

The stability of the steel bar bending device is improved, and the steel bars are avoided popping out when bending, ensuring the accuracy of the bending position.

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Abstract

The utility model discloses a building construction reinforcing steel bar bending device which comprises a rack, a top plate is fixedly installed on the top of the rack, a feeding motor is fixedly installed in the rack, a sliding groove is fixedly installed in the middle of the top plate, and a rotating shaft is rotationally connected to the middle of the top plate in a penetrating mode. The top of the rotating shaft is fixedly provided with an abutting roller located above the top plate, the output end of the feeding motor is fixedly installed with the bottom of the rotating shaft, the bottom of the sliding groove is fixedly provided with a bending motor, the middle of the front face of the sliding groove is rotatably connected with a threaded sleeve in a penetrating mode, and the interior of the sliding groove is slidably connected with a rotating seat. The front face of the threaded sleeve is in transmission connection with the output end of a bending motor. And the steel bars are bent through the bending rollers, then the steel bars are limited through the limiting rollers, the problem that the steel bars are popped out when being stressed during machining is avoided, and the stability of the steel bar bending device for building construction is improved.
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Description

Technical Field

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

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete, with a circular cross section, or sometimes a square with rounded corners. It includes plain round steel bars, ribbed steel bars, and twisted steel bars. Since construction sites have different requirements for steel bars, construction workers will use steel bar bending devices to bend the steel bars for use.

[0003] The existing steel bar bending device used in construction is easy to operate, but the fixing effect of the steel bars when bending is poor. The steel bars are easily ejected from the bending groove after being stressed, which is very dangerous. At the same time, the position of the steel bars in the bending device is easily changed when bending, which directly affects the bending position of the steel bars.

[0004] For this purpose, we propose a steel bar bending device for building construction. Summary of the invention

[0005] The purpose of the utility model is to provide a steel bar bending device for construction to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steel bar bending device for construction construction, comprising a frame, a top plate is fixedly installed on the top of the frame, a feeding motor is fixedly installed inside the frame, a sliding groove is fixedly installed in the middle of the top plate, a rotating shaft is penetrated through the middle of the top plate and is rotatably connected, a tightening roller located above the top plate is fixedly installed on the top of the rotating shaft, the output end of the feeding motor is fixedly installed with the bottom of the rotating shaft, a bending motor is fixedly installed at the bottom of the sliding groove, a threaded sleeve is penetrated and rotatably connected in the middle of the front of the sliding groove, a rotating seat is slidably connected in the sliding groove, the front of the threaded sleeve is drivingly connected to the output end of the bending motor, a threaded rod is threadedly connected through the middle of the threaded sleeve, the front of the rotating seat is fixedly installed with one end of the threaded rod, and a bending roller is rotatably connected to the other side of the rotating seat.

[0007] Optionally, two rotating shafts located on both sides of the bending roller are rotatably connected through the middle of the top plate, and the two rotating shafts are symmetrically arranged on both sides of the bending roller.

[0008] Optionally, the bottom of one of the rotating shafts is fixedly mounted to the output end of the feeding motor, and the bottoms of the two rotating shafts are fixedly mounted with synchronous wheels, and the two synchronous wheels are connected by a synchronous belt transmission.

[0009] Optionally, the top plate is provided with displacement grooves symmetrically arranged on both sides of the sliding groove. A sliding block is slidably connected inside the displacement groove, and a limiting roller is rotatably connected to the top of the sliding block.

[0010] Optionally, a guiding slide bar is fixedly installed inside the displacement groove. The guiding slide bar passes through and is slidably connected to the middle of the sliding block. A return spring is sleeved on the outer peripheral surface of the guiding slide bar, and the two return springs are respectively located on both sides of the displacement block.

[0011] Optionally, a second gear is fixedly installed on the front surface of the threaded sleeve, and a first gear is fixedly installed at the output end of the bending motor. The second gear meshes with the first gear.

[0012] Optionally, the sliding groove is located in the middle of the top plate, and the central axis of the sliding groove and the central axis of the top plate are in the same vertical plane.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In this steel bar bending device for construction, by setting the pressing roller and the bending motor, the steel bar is passed through between the limiting roller and the pressing roller. The limiting roller is pressed against the steel bar under the action of the return spring, so that the steel bar is simultaneously pressed against the pressing roller. The bending motor is started to drive the threaded sleeve to rotate, so that the threaded rod pushes the rotating seat to move, and then the pressing roller presses against the steel bar, and then the bending roller bends the steel bar. Further, the limiting roller limits the steel bar, avoiding the problem that the steel bar pops out under force during processing, and improving the stability of this steel bar bending device for construction.

[0015] In this steel bar bending device for construction, by setting the feeding motor, after the bending roller bends the steel bar, the feeding motor is started to drive the rotating shaft to rotate, and at the same time, the other rotating shaft is driven to rotate synchronously through the synchronous pulley and the synchronous belt, so that the two pressing rollers roll synchronously, and the steel bar is conveyed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a steel bar bending device for construction according to the present utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the top plate of a steel bar bending device for construction according to the present utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the sliding groove of a steel bar bending device for construction according to the present utility model.

[0019] In the figure: 1. frame; 2. top plate; 3. feeding motor; 4. sliding groove; 5. rotating shaft; 6. bending motor; 7. first gear; 8. threaded sleeve; 9. second gear; 10. threaded rod; 11. rotating seat; 12. bending roller; 13. pressing roller; 14. synchronous wheel; 15. synchronous belt; 16. displacement groove; 17. guide slide rod; 18. sliding block; 19. pressing roller; 20. reset spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 3 The utility model provides a steel bar bending device for construction, comprising a frame 1, a top plate 2 is fixedly installed on the top of the frame 1, a feeding motor 3 is fixedly installed inside the frame 1, a sliding groove 4 is fixedly installed in the middle of the top plate 2, a rotating shaft 5 is passed through the middle of the top plate 2 and is rotatably connected, a pressing roller 13 located above the top plate 2 is fixedly installed on the top of the rotating shaft 5, the output end of the feeding motor 3 is fixedly installed with the bottom of the rotating shaft 5, a bending motor 6 is fixedly installed at the bottom of the sliding groove 4, a threaded sleeve 8 is passed through the middle of the front of the sliding groove 4 and is rotatably connected, and the inner sliding connection of the sliding groove 4 It is connected to a rotating seat 11, the front side of the threaded sleeve 8 is transmission-connected to the output end of the bending motor 6, a threaded rod 10 is threadedly connected through the middle of the threaded sleeve 8, the front side of the rotating seat 11 is fixedly installed to one end of the threaded rod 10, and the other side of the rotating seat 11 is rotationally connected to a bending roller 12. By setting a feeding motor 3, when the bending roller 12 bends the steel bar, the feeding motor 3 is started to drive the rotating shaft 5 to rotate, and at the same time, the other rotating shaft 5 is driven to rotate synchronously through the synchronous wheel 14 and the synchronous belt 15, so that the two pressing rollers 13 roll synchronously, so that the steel bar is transported.

[0022] In the middle of the top plate 2, there are two rotating shafts 5 rotatably connected through it, which are located on both sides of the bending roller 12. The two rotating shafts 5 are symmetrically arranged on both sides of the bending roller 12. The bottom of one rotating shaft 5 is fixedly installed with the output end of the feeding motor 3. The bottoms of the two rotating shafts 5 are fixedly installed with synchronous pulleys 14. The two synchronous pulleys 14 are connected by a synchronous belt 15. The top plate 2 is provided with displacement grooves 16 symmetrically arranged on both sides of the sliding groove 4. The inside of the displacement groove 16 is slidably connected with a sliding block 18. The top of the sliding block 18 is rotatably connected with a limiting roller 19. The inside of the displacement groove 16 is fixedly installed with a guiding slide rod 17. The guiding slide rod 17 is slidably connected through the middle of the sliding block 18. A return spring 20 is sleeved on the outer peripheral surface of the guiding slide rod 17. The two return springs 20 are respectively located on both sides of the displacement block. By setting the pressing roller 13 and the bending motor 6, the steel bar is passed through between the limiting roller 19 and the pressing roller 13. The limiting roller 19 is pressed against the steel bar under the action of the return spring 20, so that the steel bar is pressed against the pressing roller 13 at the same time. The bending motor 6 is started to drive the threaded sleeve 8 to rotate, so that the threaded rod 10 pushes the rotating seat 11 to move, and then the pressing roller 13 is pressed against the steel bar, and then the bending roller 12 bends the steel bar, and then the limiting roller 19 limits the steel bar, avoiding the problem that the steel bar pops out under force during processing, and improving the stability of the steel bar bending device for building construction. The front of the threaded sleeve 8 is fixedly installed with a second gear 9. The output end of the bending motor 6 is fixedly installed with a first gear 7. The second gear 9 meshes with the first gear 7. The sliding groove 4 is located in the middle of the top plate 2. The central axis of the sliding groove 4 and the central axis of the top plate 2 are in the same vertical plane.

[0023] Working principle:

[0024] The steel bar is passed through between the limiting roller 19 and the pressing roller 13. The limiting roller 19 is pressed against the steel bar under the action of the return spring 20, so that the steel bar is pressed against the pressing roller 13 at the same time. The bending motor 6 is started to drive the threaded sleeve 8 to rotate, so that the threaded rod 10 pushes the rotating seat 11 to move, and then the pressing roller 13 is pressed against the steel bar, and then the bending roller 12 bends the steel bar, and then the limiting roller 19 limits the steel bar, avoiding the problem that the steel bar pops out under force during processing, and improving the stability of the steel bar bending device for building construction.

[0025] For the steel bar bending device for building construction, by setting the feeding motor 3, after the bending roller 12 bends the steel bar, the feeding motor 3 is started to drive the rotating shaft 5 to rotate, and at the same time, through the synchronous pulley 14 and the synchronous belt 15, the other rotating shaft 5 is driven to rotate synchronously, so that the two pressing rollers 13 roll synchronously, and the steel bar is conveyed.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A steel bar bending device for building construction, comprising a frame (1), characterized in that, A top plate (2) is fixedly installed at the top of the frame (1). A feeding motor (3) is fixedly installed inside the frame (1). A sliding groove (4) is fixedly installed in the middle of the top plate (2). A rotating shaft (5) is rotatably connected through the middle of the top plate (2). A pressing roller (13) located above the top plate (2) is fixedly installed at the top of the rotating shaft (5). The output end of the feeding motor (3) is fixedly installed with the bottom of the rotating shaft (5). A bending motor (6) is fixedly installed at the bottom of the sliding groove (4). A threaded sleeve (8) is rotatably connected through the middle of the front of the sliding groove (4). A rotating seat (11) is slidably connected inside the sliding groove (4). The front of the threaded sleeve (8) is drivingly connected with the output end of the bending motor (6). A threaded rod (10) is threadedly connected through the middle of the threaded sleeve (8). One end of the threaded rod (10) is fixedly installed with the front of the rotating seat (11). The other side of the rotating seat (11) is rotatably connected with a bending roller (12).

2. The steel bar bending device for building construction according to claim 1, characterized in that, Two rotating shafts (5) are rotatably connected through the middle of the top plate (2) and are located on both sides of the bending roller (12). The two rotating shafts (5) are symmetrically arranged on both sides of the bending roller (12).

3. The steel bar bending device for building construction according to claim 2, characterized in that, The bottom of one rotating shaft (5) is fixedly installed with the output end of the feeding motor (3). Synchronous wheels (14) are fixedly installed at the bottoms of the two rotating shafts (5). The two synchronous wheels (14) are drivingly connected through a synchronous belt (15).

4. A steel bar bending device for building construction according to claim 1, characterized in that, Displacement grooves (16) are symmetrically arranged on both sides of the sliding groove (4) on the top plate (2). A sliding block (18) is slidably connected inside the displacement groove (16). A limiting roller (19) is rotatably connected to the top of the sliding block (18).

5. The steel bar bending device for building construction according to claim 4, characterized in that, A guiding slide bar (17) is fixedly installed inside the displacement groove (16). The guiding slide bar (17) is slidably connected through the middle of the sliding block (18). A return spring (20) is sleeved on the outer peripheral surface of the guiding slide bar (17). The two return springs (20) are respectively located on both sides of the displacement block.

6. A steel bar bending device for building construction according to claim 1, characterized in that, A second gear (9) is fixedly installed on the front of the threaded sleeve (8). A first gear (7) is fixedly installed at the output end of the bending motor (6). The second gear (9) is meshed with the first gear (7).

7. A steel bar bending device for building construction according to claim 1, characterized in that, The sliding groove (4) is located in the middle of the top plate (2). The central axis of the sliding groove (4) and the central axis of the top plate (2) are located in the same vertical plane.