Steel bar bending device for constructional engineering
Through the clamping mechanism and the motor-driven synchronous belt transmission assembly, the problem of insufficient applicability of existing devices to steel bars of different thicknesses is solved, and flexible bending and angle control of steel bars of different thicknesses are achieved.
Patent Information
- Application Number
- CN202422735211.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Existing steel bar bending devices used in construction projects are difficult to adjust according to the thickness of the steel bars, resulting in a narrow scope of application.
A clamping mechanism is adopted, including a first connecting column, a rotating rod, a first bevel gear, a second bevel gear, a first threaded rod, a second connecting column, a first fixed block, a threaded sleeve, a second fixed block, a third fixed block and a second threaded rod. The clamping and bending of steel bars of different thicknesses are achieved through engagement and threaded transmission. Combined with the motor drive and synchronous belt drive assembly, the bending angle of the steel bars can be precisely controlled.
It realizes flexible and adaptive bending of steel bars of different thicknesses, expands the scope of application of the device, and intuitively displays the bending angle through the scale ring.
Smart Images

Figure CN223368055U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction labor services, in particular to a steel bar bending device for construction engineering. Background Art
[0002] Rebar bending machine is one of the commonly used engineering machines in the construction industry. It is mainly used to process steel bars into various shapes to meet production needs. With the development of industrial production, various steel products are widely used in various aspects of modern engineering fields, such as construction, shipbuilding, aerospace and other industries. It is especially widely used in construction. In actual application, the steel bar bending device usually requires the following technologies:
[0003] 1. Drive system: usually a motor or hydraulic system that provides power for steel bar bending;
[0004] 2. Frame: The structural frame that supports and fixes the entire device to ensure its stability;
[0005] 3. Transmission mechanism: such as gears, chains, belts, etc., which transmit the power of the drive system to the bending mold.
[0006] For example, a Chinese patent discloses: a steel bar bending device for construction projects, patent number: CN216801477U, which is driven by the clamping of the moving wheel and the static wheel. After being fixed by the anti-slip baffle and the support plate, it enters the working disc, and the steel bar is fixed and bent through the cooperation of the center pin, the support pin and the bending pin. This solves the problem of traditional steel bar bending that the toughness of the steel bar itself causes the steel bar to fly and injure people during bending.
[0007] However, during the implementation of the above technical solution, it was found that at least the following technical problems exist: as mentioned above, when the bent steel bars are of different thicknesses, it is difficult for the device to be adjusted according to the thickness of the steel bars, resulting in a relatively narrow scope of application. Utility Model Content
[0008] (1) Technical problems solved
[0009] In response to the deficiencies in the prior art, the present invention provides a steel bar bending device for construction projects, which solves the technical problem that when the bent steel bars are of different thicknesses, the device is difficult to adjust according to the thickness of the steel bars, resulting in a relatively narrow scope of application.
[0010] (2) Technical solution
[0011] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0012] A steel bar bending device for construction engineering includes a bracket, wherein a clamping mechanism is provided inside the bracket, and the clamping mechanism includes a first connecting column, a rotating rod, a first bevel gear, a second bevel gear, a first threaded rod, a second connecting column, a first fixed block, a threaded sleeve, a second fixed block, a third fixed block and a second threaded rod, wherein the rotating rod is rotatably installed inside the first connecting column, the first bevel gear is fixedly installed on the top of the rotating rod, the second bevel gear is meshed with the first bevel gear, the first threaded rod is rotatably installed inside the first connecting column, the first threaded rod is threadedly installed inside the second bevel gear, the second connecting column is rotatably installed on the side wall of the first threaded rod, the first fixed block is fixedly installed on the top of the bracket, the threaded sleeve is rotatably installed on the side wall of the first fixed block, the second fixed block is fixedly installed on the top of the bracket, the third fixed block is slidably installed on the top of the bracket, the second threaded rod is threadedly installed inside the threaded sleeve, the first fixed block and the second fixed block, and the third fixed block is rotatably installed on the side wall of the second threaded rod.
[0013] Preferably, a connecting rod is fixedly installed inside the bracket, and a motor is fixedly installed on a side wall of the connecting rod.
[0014] Preferably, a connecting disk is fixedly mounted on the top of the motor output shaft, and the rotating rod is rotatably mounted inside the connecting disk.
[0015] Preferably, the first connecting column is fixedly mounted on the top of the connecting disk, and the second connecting column is slidably mounted on the top of the connecting disk.
[0016] Preferably, a third connecting column is fixedly installed on the top of the connecting plate, and a synchronous belt transmission assembly is installed on the side wall of the motor output shaft.
[0017] Preferably, a rotating column is installed inside the synchronous belt transmission assembly, and the rotating column is rotatably installed inside the bracket.
[0018] Preferably, a pointer is fixedly mounted on the side wall of the rotating column, a scale ring is fixedly mounted on the top of the bracket, and a receiving column is fixedly mounted on the top of the bracket.
[0019] Preferably, a fourth fixing block is fixedly installed on the top of the bracket, a protective plate is hingedly connected to the side wall of the bracket, and a damping ring is fixedly installed on the side wall of the protective plate.
[0020] (3) Beneficial effects
[0021] 1. Place the steel bar between the third connecting column and the second connecting column. At this time, the steel bar will also be between the third fixed block and the fourth fixed block. Rotate the threaded sleeve counterclockwise, and the threaded sleeve drives the second threaded rod to move from right to left. The second threaded rod will drive the third fixed block to move from right to left to clamp the steel bar. Then rotate the rotating rod counterclockwise, and the rotating rod drives the first bevel gear to rotate counterclockwise. The first bevel gear drives the second bevel gear to rotate clockwise. The second bevel gear drives the first threaded rod to move from right to left. The first threaded rod drives the second connecting column to move from right to left. The second connecting column also clamps the steel bar, thereby achieving the function of bending steel bars of different thicknesses.
[0022] 2. Flip the protective plate clockwise so that the protective plate contacts the receiving column and the first fixed block, start the motor, the motor drives the connecting plate to rotate counterclockwise, and the connecting plate drives the second connecting column to move in a counterclockwise circular motion. At this time, the steel bar will be bent by force, and the motor drives the synchronous belt drive assembly to transmit counterclockwise, and the synchronous belt drive assembly drives the rotating column to rotate counterclockwise, and the rotating column drives the pointer to move in a counterclockwise circular motion. The pointer will make a counterclockwise circular motion inside the scale ring, and the bending angle of the steel bar can be seen intuitively. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.
[0024] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0025] Figure 2 This is a structural diagram of the second fixing block of the present utility model;
[0026] Figure 3 This is a structural diagram of the scale ring of the utility model;
[0027] Figure 4 This is the structural diagram of the second bevel gear of the present utility model.
[0028] Legend: 11. Bracket; 12. Motor; 13. Connecting plate; 14. First connecting column; 15. Rotating rod; 16. First bevel gear; 17. Second bevel gear; 18. First threaded rod; 19. Second connecting column; 21. First fixing block; 22. Threaded sleeve; 23. Second fixing block; 24. Third fixing block; 25. Second threaded rod; 26. Third connecting column; 27. Synchronous belt drive assembly; 28. Rotating column; 29. Pointer; 31. Scale ring; 32. Support column; 33. Fourth fixing block; 34. Damping ring; 35. Protective plate. DETAILED DESCRIPTION
[0029] The embodiment of the present application provides a steel bar bending device for construction engineering, which effectively solves the problem that when the bent steel bars are of different thicknesses, the device is difficult to adjust according to the thickness of the steel bars, resulting in a relatively narrow scope of application. The steel bar is placed between the third connecting column and the second connecting column. At this time, the steel bar will also be between the third fixing block and the fourth fixing block. The threaded sleeve is rotated counterclockwise, and the threaded sleeve drives the second threaded rod to move from right to left, and the second threaded rod will drive the third fixing block to move from right to left to clamp the steel bar. The rotating rod is then rotated counterclockwise, and the rotating rod drives the first bevel gear to rotate counterclockwise, and the first bevel gear drives the second bevel gear to rotate clockwise, and the second bevel gear drives the first The threaded rod moves from right to left, and the first threaded rod drives the second connecting column to move from right to left. The second connecting column also clamps the steel bar, thereby achieving the function of bending steel bars of different thicknesses. The protective plate is flipped clockwise so that the protective plate contacts the receiving column and the first fixed block. The motor is started, and the motor drives the connecting plate to rotate counterclockwise. The connecting plate drives the second connecting column to move in a counterclockwise circular motion. At this time, the steel bar will be bent under force, and the motor drives the synchronous belt drive assembly to transmit counterclockwise. The synchronous belt drive assembly drives the rotating column to rotate counterclockwise. The rotating column drives the pointer to move in a counterclockwise circular motion. The pointer will make a counterclockwise circular motion inside the scale ring, and the bending angle of the steel bar can be intuitively seen.
[0030] Example
[0031] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the technical solution in the embodiment of the present application effectively solves the technical problem that when the bent steel bars are of different thicknesses, the device is difficult to adjust according to the thickness of the steel bars, resulting in a relatively narrow scope of application. The overall idea is as follows: A steel bar bending device for construction engineering includes a bracket 11, a clamping mechanism is provided inside the bracket 11, the clamping mechanism includes a first connecting column 14, a rotating rod 15, a first bevel gear 16, a second bevel gear 17, a first threaded rod 18, a second connecting column 19, a first fixed block 21, a threaded sleeve 22, a second fixed block 23, a third fixed block 24 and a second threaded rod 25, the rotating rod 15 is rotatably installed inside the first connecting column 14, the first bevel gear 16 is fixedly installed on the top of the rotating rod 15, the second bevel gear 17 is meshed with the first bevel gear 16, the first threaded rod 18 is rotatably installed inside the first connecting column 14, the first threaded rod 18 is threadedly installed inside the second bevel gear 17, the second connecting column 19 is rotatably installed on the side wall of the first threaded rod 18, the first fixed block 21 is fixedly installed on the top of the bracket 11, and the threaded sleeve 22 is rotatably installed On the side wall of the first fixing block 21, the second fixing block 23 is fixedly installed on the top of the bracket 11, the third fixing block 24 is slidably installed on the top of the bracket 11, the second threaded rod 25 is threadedly installed inside the threaded sleeve 22, the first fixing block 21 and the second fixing block 23, and the third fixing block 24 is rotatably installed on the side wall of the second threaded rod 25. The steel bar is placed between the third connecting column 26 and the second connecting column 19. At this time, the steel bar will also be between the third fixing block 24 and the fourth fixing block 33. The threaded sleeve 22 is rotated counterclockwise, and the threaded sleeve 22 drives the second threaded rod 25 to rotate. The threaded rod 25 moves from right to left, and the second threaded rod 25 will drive the third fixed block 24 to move from right to left, clamping the steel bar, and then rotate the rotating rod 15 counterclockwise, and the rotating rod 15 drives the first bevel gear 16 to rotate counterclockwise, and the first bevel gear 16 drives the second bevel gear 17 to rotate clockwise, and the second bevel gear 17 drives the first threaded rod 18 to move from right to left, and the first threaded rod 18 drives the second connecting column 19 to move from right to left, and the second connecting column 19 also clamps the steel bar, thereby achieving the function of bending steel bars of different thicknesses.
[0032] A connecting rod is fixedly installed inside the bracket 11, and a motor 12 is fixedly installed on the side wall of the connecting rod. A connecting disk 13 is fixedly installed on the top of the output shaft of the motor 12, and a rotating rod 15 is rotatably installed inside the connecting disk 13. A first connecting column 14 is fixedly installed on the top of the connecting disk 13, and a second connecting column 19 is slidably installed on the top of the connecting disk 13. A third connecting column 26 is fixedly installed on the top of the connecting disk 13. A synchronous belt drive assembly 27 is installed on the side wall of the output shaft of the motor 12. A rotating column 28 is installed inside the synchronous belt drive assembly 27. The rotating column 28 is rotatably installed inside the bracket 11. A pointer 29 is fixedly installed on the side wall of the rotating column 28. A scale ring 31 is fixed on the top of the bracket 11. The top of the bracket 11 is fixed A receiving column 32 is installed, a fourth fixed block 33 is fixedly installed on the top of the bracket 11, and a protective plate 35 is hinged on the side wall of the bracket 11. The protective plate 35 is flipped clockwise so that the protective plate 35 contacts the receiving column 32 and the first fixed block 21, and the motor 12 is started. The motor 12 drives the connecting disk 13 to rotate counterclockwise, and the connecting disk 13 drives the second connecting column 19 to move in a counterclockwise circular motion. At this time, the steel bar will be bent under force, and the motor 12 drives the synchronous belt drive assembly 27 to transmit counterclockwise, and the synchronous belt drive assembly 27 drives the rotating column 28 to rotate counterclockwise, and the rotating column 28 drives the pointer 29 to move in a counterclockwise circular motion. The pointer 29 will make a counterclockwise circular motion inside the scale ring 31, and the bending angle of the steel bar can be intuitively seen.
[0033] A damping ring 34 is fixedly mounted on the side wall of the protection plate 35 to prevent the protection plate 35 from turning over and causing injuries to workers when placing steel bars.
[0034] In view of the problems existing in the prior art, the utility model provides a steel bar bending device for construction engineering, which puts the steel bar between the third connecting column 26 and the second connecting column 19. At this time, the steel bar will also be between the third fixing block 24 and the fourth fixing block 33. The threaded sleeve 22 is rotated counterclockwise, and the threaded sleeve 22 drives the second threaded rod 25 to move from right to left. The second threaded rod 25 will drive the third fixing block 24 to move from right to left to clamp the steel bar. Then, the rotating rod 15 is rotated counterclockwise, and the rotating rod 15 drives the first bevel gear 16 to rotate counterclockwise. The first bevel gear 16 drives the second bevel gear 17 to rotate clockwise. The second bevel gear 17 drives the first threaded rod 18 to move from right to left. The first threaded rod 18 drives the second connecting column 19 to rotate clockwise. The connecting column 19 moves from right to left, and the second connecting column 19 also clamps the steel bar, thereby achieving the function of bending steel bars of different thicknesses. The protective plate 35 is flipped clockwise so that the protective plate 35 contacts the receiving column 32 and the first fixed block 21, and the motor 12 is started. The motor 12 drives the connecting disk 13 to rotate counterclockwise, and the connecting disk 13 drives the second connecting column 19 to move in a counterclockwise circular motion. At this time, the steel bar will be bent under force, and the motor 12 drives the synchronous belt drive assembly 27 to transmit counterclockwise, and the synchronous belt drive assembly 27 drives the rotating column 28 to rotate counterclockwise, and the rotating column 28 drives the pointer 29 to move in a counterclockwise circular motion. The pointer 29 will make a counterclockwise circular motion inside the scale ring 31, and the bending angle of the steel bar can be intuitively seen.
[0035] Working principle:
[0036] The first step is to place the steel bar between the third connecting column 26 and the second connecting column 19. At this time, the steel bar will also be between the third fixing block 24 and the fourth fixing block 33. Rotate the threaded sleeve 22 counterclockwise, and the threaded sleeve 22 drives the second threaded rod 25 to move from right to left. The second threaded rod 25 will drive the third fixing block 24 to move from right to left, clamping the steel bar. Then rotate the rotating rod 15 counterclockwise, and the rotating rod 15 drives the first bevel gear 16 to rotate counterclockwise. The first bevel gear 16 drives the second bevel gear 17 to rotate clockwise. The second bevel gear 17 drives the first threaded rod 18 to move from right to left. The first threaded rod 18 drives the second connecting column 19 to move from right to left. The second connecting column 19 also clamps the steel bar, thereby achieving the function of bending steel bars of different thicknesses.
[0037] The second step is to flip the protective plate 35 clockwise so that the protective plate 35 contacts the receiving column 32 and the first fixed block 21, and start the motor 12. The motor 12 drives the connecting disk 13 to rotate counterclockwise, and the connecting disk 13 drives the second connecting column 19 to move in a counterclockwise circular motion. At this time, the steel bar will be bent by force, and the motor 12 drives the synchronous belt drive assembly 27 to transmit counterclockwise, and the synchronous belt drive assembly 27 drives the rotating column 28 to rotate counterclockwise, and the rotating column 28 drives the pointer 29 to move in a counterclockwise circular motion. The pointer 29 will make a counterclockwise circular motion inside the scale ring 31, and the bending angle of the steel bar can be intuitively seen.
[0038] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all possible embodiments. However, any obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.
Claims
1. A steel bar bending device for construction engineering, comprising a bracket (11), characterized in that: The bracket (11) is provided with a clamping mechanism, which comprises a first connecting column (14), a rotating rod (15), a first bevel gear (16), a second bevel gear (17), a first threaded rod (18), a second connecting column (19), a first fixed block (21), a threaded sleeve (22), a second fixed block (23), a third fixed block (24) and a second threaded rod (25). The rotating rod (15) is rotatably mounted inside the first connecting column (14), the first bevel gear (16) is fixedly mounted on the top of the rotating rod (15), the second bevel gear (17) is meshed with the first bevel gear (16), the first threaded rod (18) is rotatably mounted inside the first connecting column (14), the first threaded rod (18) is threadedly mounted inside the second bevel gear (17), the second connecting column (19) is rotatably mounted on the side wall of the first threaded rod (18), the first fixed block (21) is fixedly mounted on the top of the bracket (11), and the threaded sleeve (22) is rotatably mounted on the side wall of the first fixed block (21); The second fixing block (23) is fixedly mounted on the top of the bracket (11), the third fixing block (24) is slidably mounted on the top of the bracket (11), the second threaded rod (25) is threadedly mounted inside the threaded sleeve (22), the first fixing block (21) and the second fixing block (23), and the third fixing block (24) is rotatably mounted on the side wall of the second threaded rod (25).
2. A steel bar bending device for construction engineering according to claim 1, characterized in that: A connecting rod is fixedly installed inside the bracket (11); Wherein, a motor (12) is fixedly mounted on the side wall of the connecting rod.
3. A steel bar bending device for construction engineering according to claim 2, characterized in that: A connecting plate (13) is fixedly mounted on the top of the output shaft of the motor (12); The rotating rod (15) is rotatably mounted inside the connecting disk (13).
4. A steel bar bending device for construction engineering according to claim 3, characterized in that: The first connecting column (14) is fixedly mounted on the top of the connecting plate (13); The second connecting column (19) is slidably mounted on the top of the connecting plate (13).
5. A steel bar bending device for construction engineering according to claim 4, characterized in that: A third connecting column (26) is fixedly mounted on the top of the connecting plate (13); Wherein, a synchronous belt transmission assembly (27) is installed on the side wall of the output shaft of the motor (12).
6. A steel bar bending device for construction engineering according to claim 5, characterized in that: The synchronous belt transmission assembly (27) is internally provided with a rotating column (28); The rotating column (28) is rotatably mounted inside the bracket (11).
7. A steel bar bending device for construction engineering according to claim 6, characterized in that: A pointer (29) is fixedly mounted on the side wall of the rotating column (28), and a scale ring (31) is fixedly mounted on the top of the bracket (11); Wherein, a receiving column (32) is fixedly installed on the top of the bracket (11).
8. A steel bar bending device for construction engineering according to claim 7, characterized in that: A fourth fixing block (33) is fixedly mounted on the top of the bracket (11); A protective plate (35) is hingedly connected to the side wall of the bracket (11), and a damping ring (34) is fixedly mounted on the side wall of the protective plate (35).
Citation Information
Patent Citations
Steel bar bending device for constructional engineering
CN216801477U