Bending mechanism

Abstract

The utility model discloses a bending mechanism which comprises a machine frame and bending positioning assemblies arranged at the two ends of the machine frame, bending assemblies are oppositely arranged on the lower sides of the bending positioning assemblies, the bending positioning assemblies are provided with bending idler wheels B, the bending assemblies are provided with bending idler wheels A on the same plane with the bending positioning assemblies, and the bending idler wheels B are provided with bending idler wheels C. A bending cavity for bending a transverse rib is formed between the bending rollers A and the bending rollers B, and the bending rollers A located at the two ends of the bending cavity are driven by a first driving mechanism to do circular motion along the circle center adjacent to the bending rollers B, so that the two ends of the transverse rib are oppositely bent to form a main rib frame; the transverse ribs are bent into rectangular structures at a time through the bending positioning assembly and the bending assembly at the two ends of the machine frame, the quality of main rib frames in each batch can be kept consistent, continuous production can be carried out, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of bending equipment, in particular to a bending mechanism which can be used for processing a steel bar cage. Background Art

[0002] The main function of the steel cage is the same as the stress of the longitudinal steel bars of the column. It mainly plays a tensile role. The compressive strength of concrete is high but the tensile strength is very low. It plays a restraining role on the pile concrete so that it can withstand a certain axial tension.

[0003] At present, in the process of building construction, it is often necessary to tie a steel cage on site. In the existing technology, the steel cage is generally composed of four main bars forming a rectangular structure and a number of secondary bars fixed to the outside of the four main bars by tying wires. When the steel cage is tied on site, the main bar frame of the rectangular structure usually needs to be bent by a bending machine to bend the ends of the straight steel bars separately or to be welded into a rectangle by combining two semi-bent steel bars. The above processing methods require multiple steps to bend the main bar frame into shape, which is time-consuming and labor-intensive, requires more manpower investment, and the quality of the finished main bar frame is uneven, which can easily affect the construction progress. Utility Model Content

[0004] In order to solve the problems of low bending efficiency and uneven quality of finished products of the main reinforcement frame of the steel cage, the utility model provides a bending mechanism, which bends the transverse reinforcement into a rectangular structure at one time through the bending positioning components and bending components at both ends of the frame, so that the quality of the main reinforcement frame of each batch can be kept consistent, and production can be carried out continuously with high production efficiency.

[0005] The utility model is realized by the following technical solutions:

[0006] A bending mechanism, comprising:

[0007] A frame, wherein two ends of the frame are provided with bending and positioning components, and a bending component is relatively provided on the lower side of the bending and positioning component;

[0008] Among them, the bending positioning component is provided with a bending roller B, and the bending component is provided with a bending roller A on the same plane as the bending positioning component, and a bending cavity for bending the transverse rib is formed between the bending roller A and the bending roller B, and the bending rollers A located at both ends of the bending cavity are driven by the first driving mechanism to perform circular motion along the center of the circle adjacent to the bending roller B, so that the two ends of the transverse rib are bent toward each other to form a main rib frame.

[0009] In this solution, bending positioning components are provided at both ends of the frame, and a bending component is relatively provided on the lower side of the bending positioning component. The bending positioning component and the bending component are respectively provided with bending rollers B and bending rollers A. A bending cavity for bending transverse ribs is formed between the bending rollers B and A. At the same time, the bending rollers A located at both ends can make circular motion along the center of the circle of the adjacent bending rollers B, driving the transverse ribs to bend along the outer circle of the bending rollers B to form a main rib frame, so that the quality of the main rib frame of each batch can be kept consistent, and production can be carried out continuously with high production efficiency.

[0010] As a further technical solution of the bending mechanism, the bending mechanism further includes a feeding device, which is arranged on the lower side of the frame, and includes a feeding frame and a lifting assembly for longitudinal movement;

[0011] The feeding rack conveys the transverse ribs to the bending cavity, and the bending components are arranged at both ends of the lifting component and move longitudinally with the lifting component, thereby improving the automation of the device and saving manpower.

[0012] As a further technical solution of the bending mechanism, a base is arranged between the bending assembly and the lifting assembly, and a support block is arranged on one side of the base. The support block provides a fulcrum when the transverse reinforcement is bent, so as to improve the quality of the bending and forming of the main reinforcement frame.

[0013] As a further technical solution of the bending mechanism, the first driving mechanism includes a driving device, a first connecting rod and a second connecting rod;

[0014] One end of the first connecting rod is connected to the bending roller A, and the other end of the first connecting rod is connected to the second connecting rod to form a connecting rod mechanism, so that the transverse rib is always in the same plane during the bending process, avoiding popping out due to uneven force, and avoiding possible interference during the bending process of the transverse rib. The other end of the second connecting rod is connected to the output end of the driving device, so that the bending roller A performs a circular motion along the center of the bending roller B.

[0015] As a further technical solution of the bending mechanism, the first driving mechanism further includes a third connecting rod, and the driving device includes a first driving wheel and a second driving wheel;

[0016] The second connecting rod and the third connecting rod are respectively connected to the output ends of the first driving wheel and the second driving wheel, wherein the first driving wheel is a main driving wheel, and the first driving wheel and the second driving wheel are meshed with each other. Only the first driving wheel needs to be driven to drive the connecting rod mechanism to reciprocate, making the overall structure more compact.

[0017] As a further technical solution of the bending mechanism, the first driving mechanism further includes a third connecting rod, and the driving device includes a driving rack, a first driving wheel and a second driving wheel;

[0018] The second connecting rod and the third connecting rod are respectively connected to the output ends of the first driving wheel and the second driving wheel, wherein one side of the first driving wheel is meshed with the second driving wheel, and the other side of the first driving wheel is meshed with the driving rack, and the driving rack can reciprocate in the longitudinal direction. The first connecting rod is driven by the second connecting rod and the third connecting rod, so that the bending force of the device is more uniform during the bending process, and the aesthetics of the device can also be improved.

[0019] As a further technical solution of the bending mechanism, the bending assembly is also provided with a protective cover, the interior of the protective cover is hollow, and the driving rack reciprocates longitudinally inside the hollow interior of the protective cover to prevent external impurities from clogging the driving rack, thereby increasing the service life of the device.

[0020] As a further technical solution of the bending mechanism, a plurality of positioning blocks are arranged on the upper side of the frame, and one side of the positioning blocks is tangent to the bending cavity, ensuring that the bent ends of both ends of the transverse ribs can be kept in a straight line, thereby improving the bending quality of the device.

[0021] As a further technical solution of the bending mechanism, the upper end of the tangent surface of the positioning block and the bending cavity is chamfered or rounded to facilitate the central positioning of the two ends of the transverse reinforcement when bending.

[0022] As a further technical solution of the bending mechanism, the bending positioning assembly is further provided with a second driving mechanism, which drives the bending roller B to extend and retract forward and backward to facilitate the transverse rib to be separated from the bending cavity after being bent and formed.

[0023] It can be seen from the above technical scheme that the present application provides a bending mechanism, including a frame and a bending positioning assembly arranged at both ends of the frame, a bending assembly is arranged relatively on the lower side of the bending positioning assembly, wherein the bending positioning assembly and the bending assembly are respectively provided with a bending roller B and a bending roller A, and a bending cavity for bending transverse ribs is formed between the bending roller B and the bending roller A, and at the same time, the bending roller A located at both ends can make a circular motion along the center of the circle of the adjacent bending roller B, driving the transverse ribs to bend along the outer circle of the bending roller B to form a main rib frame, so that the quality of the main rib frame of each batch can be kept consistent, and production can be carried out continuously with high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model when the steel bar is not bent;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model when the steel bar is bent;

[0027] Figure 3 for Figure 2 A schematic diagram of the enlarged structure marked A in the figure;

[0028] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of the back side marked A.

[0029] Marks and corresponding parts names in the attached drawings:

[0030] 1- horizontal rib, 2- frame, 3- bending assembly, 30- driving device, 31- base, 32- driving rack, 33- first driving wheel, 34- second driving wheel, 35- first connecting rod, 36- bending roller A, 37- supporting block, 38- second connecting rod, 39- third connecting rod, 4- bending positioning assembly, 41- bending roller B, 5- feeding device, 51- feeding rack, 52- lifting assembly, 6- positioning block. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0032] Example 1

[0033] This embodiment 1 provides a bending mechanism, such as Figure 1-Figure 4 As shown, it includes a frame 2 and a bending positioning assembly 4 arranged at both ends of the frame 2, a bending assembly 3 is arranged opposite to the lower side of the bending positioning assembly 4, the bending positioning assembly 4 is provided with a bending roller B41, and the bending assembly 3 is also provided with a bending roller A36 in the same plane as the bending positioning assembly 4, a bending cavity for bending the transverse rib 1 is formed between the bending roller A36 and the bending roller B41, and the bending rollers A36 located at both ends of the bending cavity are driven by the first driving mechanism to perform circular motion along the center of the circle of the adjacent bending roller B41, so that the two ends of the transverse rib 1 are bent toward each other to form a main rib frame.

[0034] Among them, see Figure 3 and Figure 4As shown, the first driving mechanism includes a driving device 30, a first connecting rod 35, a second connecting rod 38 and a third connecting rod 39. One end of the first connecting rod 35 is connected to the bending roller A36, and the other end of the first connecting rod 35 is connected to the second connecting rod 38 and the third connecting rod 39 to form a connecting rod mechanism, and the other ends of the second connecting rod 38 and the third connecting rod 39 are respectively connected to the output end of the driving device 30. When the driving device 30 drives the second connecting rod 38, the first connecting rod 35 can drive the bending roller A to perform a circular motion along the center of the bending roller B41, and the movement directions of the connecting rod mechanisms located at both ends of the bending cavity are opposite, so that the two ends of the transverse rib 1 are finally bent toward each other to form a rectangular main rib frame.

[0035] As the power source of the connecting rod mechanism of this embodiment, please refer to Figure 3 and Figure 4 As shown, the driving device 30 includes a driving motor, a first driving wheel 33 and a second driving wheel 34. The second connecting rod 38 and the third connecting rod 39 are respectively connected to the output ends of the first driving wheel 33 and the second driving wheel 34. The output end of the driving motor is connected to the first driving wheel 33. At the same time, the first driving wheel 33 and the second driving wheel 34 are meshed with each other. Only the first driving wheel 33 needs to be driven to drive the connecting rod mechanism to reciprocate.

[0036] Example 2

[0037] This embodiment 2 provides another bending mechanism, such as Figure 1-Figure 4 As shown, it includes a frame 2, a bending positioning assembly 4 arranged at both ends of the frame 2, and a feeding device 5 arranged on the lower side of the frame 2. A bending assembly 3 is relatively arranged on the lower side of the bending positioning assembly 4. The feeding device 5 includes a feeding rack 51 and a longitudinally moving lifting assembly 52. ​​The feeding rack 51 continuously transports the transverse rib 1 to the bending cavity, and the above-mentioned bending assembly 3 is arranged at both ends of the lifting assembly 52 and moves longitudinally with the lifting assembly 52. ​​At the same time, a base 31 is also arranged between the above-mentioned bending assembly 3 and the lifting assembly 52, and a support block 37 is arranged on one side of the base 31. The support block 37 can provide a fulcrum for the transverse rib 1 when bending.

[0038] Among them, see Figure 3 and Figure 4 As shown, the bending positioning assembly 4 is provided with a bending roller B41, and the bending assembly 3 is further provided with a bending roller A36 in the same plane as the bending positioning assembly 4, a bending cavity for bending the transverse rib 1 is formed between the bending roller A36 and the bending roller B41, and the bending rollers A36 located at both ends of the bending cavity are driven by the first driving mechanism to perform circular motion along the center of the circle of the adjacent bending roller B41, so that the two ends of the transverse rib 1 are bent toward each other to form a main rib frame.

[0039] Please refer to Figure 3 and Figure 4As shown, the first driving mechanism includes a driving device 30, a first connecting rod 35, a second connecting rod 38 and a third connecting rod 39. One end of the first connecting rod 35 is connected to the bending roller A36, and the other end of the first connecting rod 35 is connected to the second connecting rod 38 and the third connecting rod 39 to form a connecting rod mechanism, and the other ends of the second connecting rod 38 and the third connecting rod 39 are respectively connected to the output end of the driving device 30. When the driving device 30 drives the second connecting rod 38, the first connecting rod 35 can drive the bending roller A to perform a circular motion along the center of the bending roller B41, and the movement directions of the connecting rod mechanisms located at both ends of the bending cavity are opposite, so that the two ends of the transverse rib 1 are finally bent toward each other to form a rectangular main rib frame.

[0040] In the first embodiment, the driving motor is directly connected to the first driving wheel 33, which may cause the longitudinal dimension of the entire device to be too large. Therefore, as the power source of the connecting rod mechanism of this embodiment, please refer to Figure 3 and Figure 4 As shown, the driving device 30 includes a driving rack 32, a first driving wheel 33 and a second driving wheel 34, a second connecting rod 38 and a third connecting rod 39 are respectively connected to the output ends of the first driving wheel 33 and the second driving wheel 34, wherein one side of the first driving wheel 33 is meshed with the second driving wheel 34, and the other side of the first driving wheel 33 is meshed with the driving rack 32, and the driving rack 32 can reciprocate in the longitudinal direction.

[0041] Example 3

[0042] This embodiment 3 is based on the technical solution of embodiment 2 to make further improvements. Figure 1-Figure 4 As shown, the bending assembly 3 is also provided with a protective cover, the interior of the protective cover is hollow, and the driving rack 32 reciprocates longitudinally in the hollow interior of the protective cover to avoid contamination by external impurities.

[0043] At the same time, in this embodiment, four positioning blocks 6 are arranged on the upper side of the frame 2, and one side surface of all the positioning blocks 6 is tangent to the bending cavity, and in order to facilitate the central positioning when the two ends of the transverse rib 1 are bent, the upper end of the tangent surface of the positioning block 6 and the bending cavity can be chamfered or rounded. Here, in order to avoid the displacement of the bottom transverse rib rod when the two ends of the transverse rib 1 are bent and cause an accident, the top of the feeding rack 51 in this embodiment is a V-shaped groove to form a limit device to protect the bending cavity, and the V-shaped groove extends upward, that is, the bottom of the V-shaped groove and the support block 37 are located in the same plane when the transverse rib 1 is bent.

[0044] In this embodiment, in order to facilitate the transverse rib 1 to be separated from the bending cavity after being bent and formed, the above-mentioned bending positioning assembly 4 is also provided with a second driving mechanism. When the transverse rib 1 is bent, the second driving mechanism will drive the bending roller B to extend and retract backward to complete the separation of the rectangular main rib frame.

[0045] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A bending mechanism, characterized in that: include: A frame (2), wherein two ends of the frame (2) are provided with bending and positioning components (4), and a bending component (3) is provided on the lower side of the bending and positioning component (4); The bending positioning assembly (4) is provided with a bending roller B (41), and the bending assembly (3) is provided with a bending roller A (36) on the same plane as the bending positioning assembly (4); a bending cavity for bending the transverse rib (1) is formed between the bending roller A (36) and the bending roller B (41), and the bending rollers A (36) located at both ends of the bending cavity are driven by a first driving mechanism to perform circular motion along the center of a circle adjacent to the bending roller B (41), so that the two ends of the transverse rib (1) are bent toward each other to form a main rib frame.

2. A bending mechanism according to claim 1, characterized in that: The bending mechanism further comprises a feeding device (5), wherein the feeding device (5) is arranged on the lower side of the frame (2), and the feeding device (5) comprises a feeding frame (51) and a longitudinally movable lifting assembly (52); The feeding rack (51) conveys the transverse rib (1) to the bending cavity, and the bending assembly (3) is arranged at both ends of the lifting assembly (52) and moves longitudinally with the lifting assembly (52).

3. A bending mechanism according to claim 2, characterized in that: A base (31) is provided between the bending assembly (3) and the lifting assembly (52), and a support block (37) is provided on one side of the base (31), wherein the support block (37) provides a fulcrum for the transverse rib (1) when it is bent.

4. A bending mechanism according to claim 1, characterized in that: The first driving mechanism comprises a driving device (30), a first connecting rod (35) and a second connecting rod (38); One end of the first connecting rod (35) is connected to the bending roller A (36), the other end of the first connecting rod (35) is connected to the second connecting rod (38) to form a connecting rod mechanism, and the other end of the second connecting rod (38) is connected to the output end of the driving device (30), so that the bending roller A (36) performs a circular motion along the center of the bending roller B (41).

5. A bending mechanism according to claim 4, characterized in that: The first driving mechanism further comprises a third connecting rod (39), and the driving device (30) comprises a first driving wheel (33) and a second driving wheel (34); The second connecting rod (38) and the third connecting rod (39) are respectively connected to the output ends of the first driving wheel (33) and the second driving wheel (34), wherein the first driving wheel (33) is a main driving wheel, and the first driving wheel (33) and the second driving wheel (34) are meshed with each other.

6. A bending mechanism according to claim 4, characterized in that: The first driving mechanism further comprises a third connecting rod (39), and the driving device (30) comprises a driving rack (32), a first driving wheel (33) and a second driving wheel (34); The second connecting rod (38) and the third connecting rod (39) are respectively connected to the output ends of the first driving wheel (33) and the second driving wheel (34), wherein one side of the first driving wheel (33) is meshed with the second driving wheel (34), and the other side of the first driving wheel (33) is meshed with the driving rack (32), and the driving rack (32) can reciprocate in the longitudinal direction.

7. A bending mechanism according to claim 6, characterized in that: The bending assembly (3) is also provided with a protective cover, the interior of the protective cover is hollow, and the driving rack (32) reciprocates longitudinally in the hollow interior of the protective cover.

8. A bending mechanism according to any one of claims 1 to 7, characterized in that: A plurality of positioning blocks (6) are arranged on the upper side of the frame (2), and a side surface of the positioning block (6) is tangent to the bending cavity.

9. A bending mechanism according to claim 8, characterized in that: The upper end of the surface of the positioning block (6) that is tangent to the bending cavity is chamfered or rounded.

10. A bending mechanism according to claim 8, characterized in that: The bending positioning assembly (4) is also provided with a second driving mechanism, and the second driving mechanism drives the bending roller B (41) to extend and retract forward and backward.

Images