Simple thin steel bar bending device

The simple fine steel bar bending device directly completes the steel bar bending at the construction site, which solves the problem of inconvenient use of steel bar bending machines in narrow spaces, improves construction efficiency and steel bar quality, and reduces costs.

CN223264690UActive Publication Date: 2025-08-26CHINA CONSTRUCTION SIXTH ENGINEERING BUREAU FIFTH CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202422379298.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-08-26
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

In the narrow space of the construction site, existing large steel bar bending machines are difficult to use, resulting in inconvenient bending of steel bars, increasing time and labor costs, and frequent handling of steel bars is easy to damage, affecting construction efficiency.

Method used

A simple fine steel bar bending device is designed, including mounting plates, support frames, pressing rods and limiting components. It is suitable for bending of steel bars below 8mm in diameter. It has a simple structure and is easy to carry and install. It can directly complete steel bar bending at the construction site.

Benefits of technology

Easily realize reinforcement bending at the construction site, reduce time and labor costs, improve construction efficiency, avoid reinforcement damage, ensure reinforcement performance, and be cheap.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a simple thin steel bar bending device which comprises an installation plate, one end of the installation plate is a fixed end, the other end of the installation plate is a bent end, a supporting frame is welded to the portion, between the fixed end and the bent end, of the installation plate, the upper end of the supporting frame is connected with a pressing rod, and one end of the pressing rod rotates with the upper end of the supporting frame as a fulcrum. A downward pressing assembly is welded to the middle of the pressing rod, when the pressing assembly moves downwards, a certain distance is reserved between the pressing assembly and the bent end of the mounting plate to form a steel bar bending space, and a limiting assembly is mounted on the portion, below the pressing rod, of the mounting plate and located between the supporting frame and the pressing assembly. The steel bar bending device can be suitable for bending operation of steel bars with the diameter smaller than 8 mm, and has the advantages of being simple in structure, convenient to install, convenient and fast to use and low in manufacturing cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction tools. More specifically, the utility model is a simple thin steel bar bending device. Background Art

[0002] Rebar bending is an essential process in construction projects. The use of secondary structural rebar is particularly crucial during building reinforcement. The majority of rebar used in this process is 8 mm in diameter or thinner. To precisely bend these bars, rebar bending machines are often used. However, space constraints on construction sites often restrict the use of large machines. Furthermore, the nature of construction projects often necessitates frequent relocation, which not only increases time and labor costs but also creates numerous inconveniences. In practice, rebar bending machines require a large space for easy operation. However, the limited space on construction sites often does not meet this requirement, forcing construction teams to seek alternative solutions. For example, they may need to complete the rebar bending at a dedicated processing facility and then transport the finished rebar to the construction site. This process is not only time-consuming and labor-intensive, but can also damage the rebar during transportation, impacting its performance. Furthermore, the frequent changes in construction sites require construction teams to constantly adjust and rearrange their work areas, which significantly increases labor costs. At the same time, frequent handling and loading and unloading work also reduces overall work efficiency. Utility Model Content

[0003] In order to solve the technical problem of inconvenient bending of thin steel bars in existing limited places, the utility model innovatively provides a simple thin steel bar bending device, which can be used for bending operations of steel bars with a diameter of less than 8mm. It also has the advantages of simple structure, easy installation, easy use and low production cost.

[0004] In order to achieve the above-mentioned technical objectives, the utility model discloses a simple thin steel bar bending device, including a mounting plate, one end of the mounting plate is a fixed end, and the other end is a bending end, a support frame is welded on the mounting plate between the fixed end and the bending end, the upper end of the support frame is connected to a pressing rod, and one end of the pressing rod rotates with the upper end of the support frame as a fulcrum, and a downward pressing component is welded to the middle part of the pressing rod, and when the pressing component moves downward, a certain distance is left from the bending end of the mounting plate to form a steel bar bending space, and a limiting component is installed on the mounting plate below the pressing rod, and the limiting component is between the support frame and the pressing component, and a gap is left between the limiting component and the mounting plate in the upper and lower directions to form a steel bar slot.

[0005] Furthermore, the utility model provides a simple thin steel bar bending device, wherein the support frame includes a support column, and the support columns are provided in two, and the two support columns are spaced apart in front and back, the lower end of each support column is welded and fixed to the mounting plate, and the upper end of each support column is welded with a connecting sleeve, the two connecting sleeves are coaxially arranged, and the pressing rod is rotatably connected to the two connecting sleeves.

[0006] Furthermore, the utility model provides a simple thin steel bar bending device, wherein one end of the pressing rod is welded with a connecting shaft in a T-shape, and the two ends of the connecting shaft are respectively correspondingly sleeved in the connecting sleeves of the two support columns, and the two ends of the connecting shaft pass through the corresponding connecting sleeves, and limiting nuts are screwed on the protruding parts of the two ends of the connecting shaft.

[0007] Furthermore, the utility model provides a simple thin steel bar bending device, wherein the pressing assembly includes a force transmission rod and a pressing plate, one end of the force transmission rod is vertically welded to the lower end of the outer peripheral wall of the pressing rod, and the other end of the force transmission rod is vertically welded to the center of the upper surface of the pressing plate.

[0008] Furthermore, the utility model provides a simple thin steel bar bending device, wherein the pressing plate is rectangular in shape. When the pressing plate moves downward following the pressing rod, a certain distance is left between the end of the pressing plate close to the mounting plate and the bending end of the mounting plate to form a steel bar bending space.

[0009] Furthermore, the utility model provides a simple thin steel bar bending device, wherein the limiting assembly includes a limiting frame and a filling plate, the limiting frames are provided in two, the two limiting frames are spaced apart in front and back, the two limiting frames are both U-shaped structures with the opening facing the same direction, the two ends of the opening of the U-shaped structure are welded and fixed to the mounting plate, the filling plate is movably inserted into the two limiting frames from front to back, and a gap is left between the filling plate and the mounting plate in the upper and lower directions to form a steel bar slot.

[0010] Furthermore, the utility model provides a simple thin steel bar bending device, wherein a connecting hole is opened on the mounting plate, the connecting hole is close to the fixed end of the mounting plate, a connecting bolt is installed in the connecting hole, and the connecting bolt is screwed with a fixing nut after passing through the connecting hole.

[0011] Furthermore, the utility model provides a simple thin steel bar bending device, wherein the bending end of the mounting plate is provided with an inverted trapezoidal avoidance slope.

[0012] The beneficial effects of the present invention are as follows: when the space on the construction site is limited, the present invention can be easily put into use and is used to bend steel bars with a diameter of 8 mm or less. It is easy to carry and can adapt to the constant changes in the work site, thereby greatly reducing time and labor costs and avoiding unnecessary trouble. In fact, the use of the present invention at the construction site takes up almost no space and is very convenient to operate. The construction site can not only meet the operating space for bending steel bars, but also has additional space for other construction activities. Therefore, the bending work of the steel bars can be completed directly at the construction site, without the need for a special processing site, and there is no need to transport the steel bars to other places. This not only saves time and labor, but also significantly improves the overall work efficiency, and ensures that the steel bars will not be damaged during transportation, maintaining their optimal performance. It also has the advantages of simple structure, easy operation, and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a simple thin steel bar bending device of the present invention;

[0014] Figure 2 This is a schematic diagram of the front structure of a simple thin steel bar bending device of the present invention;

[0015] Figure 3 This is a schematic diagram of the top view of a simple thin steel bar bending device of the present invention;

[0016] Figure 4 This is a schematic diagram of the actual use of a simple thin steel bar bending device of the present invention. DETAILED DESCRIPTION

[0017] The following is a detailed explanation and description of a simple thin steel bar bending device of the present invention in conjunction with the drawings in the specification.

[0018] like Figure 1 As shown, the utility model discloses a simple thin steel bar bending device, including a mounting plate 1, one end of the mounting plate 1 is a fixed end 11 for fixing the mounting plate 1, and the other end is a bending end 12 for bending the steel bar. A support frame 2 is welded on the mounting plate 1 between the fixed end 11 and the bending end 12, and a pressing rod 3 is connected to the upper end of the support frame 2. One end of the pressing rod 3 rotates with the upper end of the support frame 2 as a fulcrum. A downward pressing component 4 is welded to the middle part of the pressing rod 3. When the pressing component 4 moves downward, a certain distance is left between the bending end 12 of the mounting plate 1 to form a steel bar bending space 5. A limiting component 6 is installed on the mounting plate 1 below the pressing rod 3. The limiting component 6 is between the support frame 2 and the pressing component 4. A gap is left between the limiting component 6 and the mounting plate 1 in the upper and lower directions to form a steel bar slot 7. The steel bar slot 7 is used to fix the steel bar to be bent.

[0019] This device is suitable for bending steel bars with a diameter of 8mm or less. In actual use, the fixed end 11 of the mounting plate 1 can be fixed on a component that is more than 50cm away from the ground, and the steel bar to be bent can be inserted into the steel bar slot 7 formed in the upper and lower directions of the limiting component 6 and the mounting plate 1 (such as Figure 4 As shown), then press the pressing rod 3 downwards, and under the action of the pressing assembly 4, the steel bar is bent at the steel bar bending space 5 formed by the downward movement of the pressing assembly 4 and the bending end 12 of the mounting plate 1, and the bending of the steel bar is completed. When the space on the construction site is limited, the utility model can be easily put into use for bending steel bars. It is easy to carry and can adapt to the constant changes in the workplace, thereby greatly reducing time and labor costs and avoiding unnecessary trouble. In fact, the use of the utility model at the construction site takes up almost no space and is very convenient to operate. The construction site can not only meet the operating space for bending steel bars, but also has extra space for other construction activities. Therefore, the bending work of the steel bars can be completed directly at the construction site, without the need for a special processing site, and without the need to transport the steel bars to other places. This not only saves time and labor, but also significantly improves the overall work efficiency. It also ensures that the steel bars will not be damaged during transportation, maintaining their optimal performance.

[0020] See also Figure 1 and Figure 3 The support frame 2 includes a support column 21, and the support columns 21 are arranged in two. The two support columns 21 are arranged at intervals in front and back to ensure the stability of the structure. The lower end of each support column 21 is welded to the mounting plate 1 to ensure that the support frame 2 will not be displaced or tilted during use. In order to further enhance the stability of the structure, a horizontally arranged connecting sleeve 22 is welded to the upper end of each support column 21, and the two connecting sleeves 22 are coaxially arranged, thereby providing a stable and reliable mounting point for the pressing rod 3. The pressing rod 3 is rotatably connected to the two connecting sleeves 22, so that the pressing rod 3 can rotate smoothly in the connecting sleeve 22. Not only does it ensure the flexibility of the pressing rod 3, but it also makes the force more uniform, avoiding damage or inconvenience in operation caused by uneven force application. Through this structural design, the support frame 2 can withstand greater pressure and impact, while also improving the convenience and safety of operation. Overall, the design of this support frame 2 takes into account both the stability of the structure and the flexibility and durability of use.

[0021] To further ensure the stability of the device, a connecting shaft 31 is welded to one end of the pressing rod 3 in a T-shape (i.e., the connecting shaft 31 and the pressing rod 3 are welded and fixed, and after welding, the overall shape of the connecting shaft 31 and the pressing rod 3 is T-shaped). The two ends of the connecting shaft 31 are respectively sleeved in the connecting sleeves 22 of the two support columns 21, and the two ends of the connecting shaft 31 pass through the corresponding connecting sleeves 22. The protruding portions of the two ends of the connecting shaft 31 are screwed with limit nuts 8. The limit nuts 8 prevent the connecting shaft 31 from moving left and right, making the bending process of the steel bar safer.

[0022] See also Figure 1 and Figure 2 The pressing assembly 4 includes a force transmission rod 41 and a pressing plate 42. One end of the force transmission rod 41 is vertically welded to the lower end of the outer peripheral wall of the pressing rod 3, and the other end of the force transmission rod 41 is vertically welded to the center of the upper surface of the pressing plate 42. This ensures that the pressing plate 42 can evenly transmit force when pushed by the pressing rod 3. When the steel bar bending operation is required, the operator will push the pressing rod 3 to move downward. As the pressing rod 3 moves downward, the pressing plate 42 will also move downward with it. In this process, the end of the pressing plate 42 close to the mounting plate 1 will maintain a certain distance from the bending end 12 of the mounting plate 1, and the bending end 12 of the mounting plate 1 is provided with an inverted trapezoidal avoidance slope 13. This distance and the avoidance slope 13 provide the necessary space for the steel bar bending. Such a design ensures that when bending the steel bar, the steel bar can smoothly enter the bending space, thereby completing the bending operation. Furthermore, the rectangular shape of the pressing plate 42 enables it to simultaneously bend multiple rebars. Due to its large surface area, the pressing plate 42 can cover and process more rebar, significantly improving the efficiency of the rebar bending operation. This not only improves operational efficiency but also ensures the quality and consistency of the rebar bending, making the entire rebar processing process more efficient and reliable.

[0023] See also Figure 1 、 Figure 2 and Figure 3The limiting assembly 6 includes a limiting frame 61 and a caulking plate 62. Specifically, there are two limiting frames 61, and the two limiting frames 61 are spaced apart from each other. Both limiting frames 61 are U-shaped structures with the opening facing the same direction. The two ends of the opening of the U-shaped structure are welded and fixed to the mounting plate 1, thereby ensuring the stability and reliability of the entire limiting assembly 6. The caulking plate 62 is movably inserted into the two limiting frames 61 from front to back, and a gap is left between the caulking plate 62 and the mounting plate 1 in the upper and lower directions to form a steel bar slot 7. Since the caulking plate 62 is designed to be a replaceable accessory, the device can be configured with multiple caulking plates 62 of different thicknesses according to actual needs. By replacing caulking plates 62 of different thicknesses, the user can flexibly adjust the width of the steel bar slot 7 to adapt to the insertion and pressing requirements of steel bars of different diameters. This makes the limiting assembly 6 applicable to steel bars of various diameters and can easily perform steel bar bending operations, thereby greatly improving the flexibility and efficiency of steel bar processing.

[0024] Based on the above embodiment, as an optimization solution, connecting holes are drilled on the surface of the mounting plate 1. The connecting holes are arranged near the fixed end 11 of the mounting plate 1 so as to better withstand the force. Connecting bolts 9 are embedded inside the connecting holes. After these connecting bolts 9 pass through the connecting holes, they are firmly fixed in the corresponding positions by screwing on the fixing nuts 10. When the device needs to be put into use, the operator can easily fix the mounting plate 1 to the components to be connected by using the connecting bolts 9 and the fixing nuts 10. This bolt fixing method not only improves the stability and reliability of the device, but also greatly enhances the flexibility of the device. Through this simple fixing method, users can more conveniently install, disassemble and adjust the device, thereby improving the overall work efficiency and user experience.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] In the description of this specification, the description with reference to the terms "this embodiment", "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and simple improvements made to the essential contents of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A simple thin steel bar bending device, characterized by: The cam is pressed against the support frame and the pressing member is pressed against the support frame to move upwards to move the cam, and the cam is pressed against the support frame to move upwards to move the cam.

2. A simple thin steel bar bending device according to claim 1, characterized in that: The support frame includes two support columns, and the two support columns are arranged at intervals in front and back. The lower end of each support column is welded and fixed to the mounting plate. The upper end of each support column is welded with a connecting sleeve, and the two connecting sleeves are coaxially arranged. The pressing rod is rotatably connected to the two connecting sleeves.

3. A simple thin steel bar bending device according to claim 2, characterized in that: One end of the pressing rod is welded with a connecting shaft in a T shape, and the two ends of the connecting shaft are respectively sleeved in the connecting sleeves of the two support columns. The two ends of the connecting shaft pass through the corresponding connecting sleeves, and limiting nuts are screwed on the protruding parts of the two ends of the connecting shaft.

4. A simple thin steel bar bending device according to claim 3, characterized in that: The pressing assembly includes a force transmission rod and a pressing plate, one end of the force transmission rod is vertically welded to the lower end of the outer peripheral wall of the pressing rod, and the other end of the force transmission rod is vertically welded to the center of the upper surface of the pressing plate.

5. A simple thin steel bar bending device according to claim 4, characterized in that: The pressing plate is rectangular in shape. When the pressing plate moves downward following the pressing rod, a certain distance is left between one end of the pressing plate close to the mounting plate and the bent end of the mounting plate to form a steel bar bending space.

6. A simple thin steel bar bending device according to claim 5, characterized in that: The limiting assembly includes a limiting frame and a filling plate. There are two limiting frames, and the two limiting frames are spaced apart in the front and rear. Both limiting frames are U-shaped structures with the opening facing the same direction. The two ends of the opening of the U-shaped structure are welded and fixed to the mounting plate. The filling plate is movably inserted into the two limiting frames from front to back, and a gap is left between the filling plate and the mounting plate in the upper and lower directions to form a steel bar slot.

7. A simple thin steel bar bending device according to claim 6, characterized in that: A connecting hole is formed on the mounting plate, and the connecting hole is close to the fixed end of the mounting plate. A connecting bolt is installed in the connecting hole, and a fixing nut is screwed onto the connecting bolt after passing through the connecting hole.

8. A simple thin steel bar bending device according to claim 7, characterized in that: The bent end of the mounting plate is provided with an avoidance slope in the shape of an inverted trapezoid.