Cold bending machine for processing splayed ribs

Abstract

The utility model relates to a cold bending machine, belongs to the technical field of splayed rib machining, and particularly relates to a splayed rib machining cold bending machine which comprises a table top, a first hydraulic cylinder is fixedly connected to the bottom of the table top, and the output end of the first hydraulic cylinder is connected with a shell. The four limiting columns are moved to limit the position of a reinforcing steel bar, then the second hydraulic cylinder is started to drive the rectangular frame to move and extrude the rectangular reinforcing steel bar, then electric welding is conducted on the connecting position, cooling is conducted after electric welding is completed, and the first hydraulic cylinder is started to drive the shell to rise. A third hydraulic cylinder on the fixing frame is started to drive a pressing block to extrude the steel bars, splayed machining of the steel bars is achieved, forming is convenient, the working efficiency is improved, and the problems that most existing manual machining methods are adopted for machining, the construction speed is low, the component size is difficult to control, and the machining cost is low are solved. The problems that the arc radian, the length and the angle of a splayed rib bent manually cannot be unified, the appearance quality is poor, and the quality of an arch frame is difficult to guarantee are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of splayed rib processing, in particular to a splayed rib processing cold bending machine. Background Art

[0002] Figure-eight bars are often used in construction projects such as tunnels, bridges, and subways. They are specifically used under the beams where the main beams intersect, as reinforcement bars at the axillar and corners of ring beams, or at the foot and corners of shear walls, or at the 45-degree corners of ring beams. They are additional structural reinforcements, mainly used to strengthen the integrity of the structure.

[0003] Combining existing technologies, we found that:

[0004] Most of the existing cold bending machines for processing shaped-element bars adopt manual processing methods, which have slow construction speed and difficult to control the size of components. The arc curvature, length and angle of the manually bent shaped-element bars cannot be unified, the appearance quality is poor, and the quality of the arch frame is difficult to guarantee. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a cold bending machine for processing figure eight bars, which moves four limit columns to limit the position of the steel bars, starts two hydraulic cylinders to drive the rectangular frame to move, and extrude the rectangular steel bars, starts hydraulic cylinder one to drive the outer shell to rise, and starts hydraulic cylinder three on the fixed frame to drive the pressure block to extrude and form the steel bars.

[0006] The technical solution to achieve the purpose of the utility model is: a cold bending machine for processing ribs, comprising a desktop, a hydraulic cylinder 1 is fixedly connected to the bottom of the desktop, an output end of the hydraulic cylinder 1 is connected to a housing, and further comprising;

[0007] The extrusion mechanism includes an extrusion unit and a limiting unit. The extrusion unit includes two hydraulic cylinders 2 fixedly connected to the top of the desktop. The output ends of the two hydraulic cylinders 2 are connected to a rectangular frame. The top of the desktop is fixedly connected to a fixed frame. The top of the fixed frame is fixedly connected to a hydraulic cylinder 3. The output end of the hydraulic cylinder 3 is connected to a slide. The bottom of the slide is fixedly connected to a pressure block.

[0008] In some embodiments, the limiting unit includes four movable grooves opened on the shell, and telescopic columns are fixedly connected in the four movable grooves. Four strip grooves are opened on the shell, and the other ends of the four telescopic columns are fixedly connected to the limiting columns and extend out of the strip grooves.

[0009] In some embodiments, a pressing groove is provided on the shell, and the pressing groove is adapted to fit the pressing block.

[0010] In some embodiments, a return spring is sleeved on each of the four telescopic columns, and two ends of the return spring are respectively fixedly connected to the telescopic column and the limit column.

[0011] In some embodiments, the fixing frame is in a "U" shape.

[0012] In some embodiments, four support columns are fixedly connected to the bottom of the table top.

[0013] Compared with the prior art, the present invention has the following significant advantages:

[0014] When the utility model is used, the rectangular steel bar is placed on the shell, four limit columns are moved to limit the position thereof, and then the two hydraulic cylinders on the desktop are started to drive the rectangular frame to move, the rectangular steel bar is extruded and formed, and then the connection is welded, and after the welding is completed, it is cooled, the hydraulic cylinder is started to drive the shell to rise, and the hydraulic cylinder on the fixed frame is started to drive the pressing block to extrude and form the steel bar, so that the steel bar is processed into an eight-shaped shape, which is convenient for forming, can ensure the construction quality, has a good appearance quality, improves the work efficiency, and effectively reduces the labor intensity of the workers;

[0015] The invention solves the problems that most of the existing manual processing methods are used, the construction speed is slow, the component size control is difficult, the arc curvature, length and angle of the manually bent ribs cannot be unified, the appearance quality is poor, and the arch quality is difficult to guarantee. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0018] Figure 2 It is a schematic diagram of the overall three-dimensional structure from another perspective provided in one embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of a sectional three-dimensional structure of a limiting unit provided in one embodiment of the utility model.

[0020] Description of reference numerals:

[0021] 1. Tabletop; 2. Hydraulic cylinder 1; 3. Shell; 4. Pressure groove; 5. Movable groove; 6. Telescopic column; 7. Strip groove; 8. Limit column; 9. Return spring; 10. Hydraulic cylinder 2; 11. Rectangular frame; 12. Fixed frame; 13. Hydraulic cylinder 3; 14. Slide plate; 15. Pressure block; 16. Support column. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0023] The utility model provides a cold bending machine for processing splayed ribs through improvement. The technical solution of the utility model is:

[0024] like Figure 1-Figure 3 As shown, a cold bending machine for processing splayed reinforcement includes a table top 1, a hydraulic cylinder 2 is fixedly connected to the bottom of the table top 1, the table top 1 and the hydraulic cylinder 2 are preferably fixed by bolts, which are convenient for disassembly and maintenance, and the output end of the hydraulic cylinder 2 is connected to a shell 3, and also includes; an extrusion mechanism, the extrusion mechanism includes an extrusion unit and a limit unit, the extrusion unit includes two hydraulic cylinders 2 10 fixedly connected to the top of the table top 1, the output ends of the two hydraulic cylinders 2 10 are connected to a rectangular frame 11, the top of the table top 1 is fixedly connected to a fixing frame 12, the table top 1 and the fixing frame 12 are preferably fixed by welding, which is convenient for improving stability, the top of the fixing frame 12 is fixedly connected to a hydraulic cylinder 3 13, the output end of the hydraulic cylinder 3 13 is connected to a slide plate 14, and the bottom of the slide plate 14 is fixedly connected to a pressure block 15; through the setting of the extrusion unit, the splayed reinforcement is processed for easy forming.

[0025] like Figure 3 As shown, in one embodiment, the limiting unit includes four movable grooves 5 opened on the outer shell 3, and telescopic columns 6 are fixedly connected in the four movable grooves 5. Four strip grooves 7 are opened on the outer shell 3, and the other ends of the four telescopic columns 6 are fixedly connected to the limiting columns 8 and extend out of the strip grooves 7; through the setting of the limiting unit, the position of rectangular steel bars of different lengths is limited during extrusion, which prevents movement during extrusion, thereby affecting the extrusion effect.

[0026] like Figure 1-2 As shown, in one embodiment, a pressing groove 4 is provided on the shell 3, and the pressing groove 4 is matched with the pressing block 15; through the arrangement of the pressing groove 4 and the pressing block 15, the extrusion of the rectangular steel bar is achieved.

[0027] like Figure 3 As shown, in one embodiment, a return spring 9 is sleeved on each of the four telescopic columns 6, and both ends of the return spring 9 are fixedly connected to the telescopic column 6 and the limit column 8 respectively; by setting the return spring 9, the limit column 8 is quickly reset, which is convenient for improving the efficiency of use.

[0028] like Figure 1As shown, in one embodiment, the fixing frame 12 is in a "U" shape; through the "U" shape setting, the stability of the fixing frame 12 is improved.

[0029] like Figure 2 As shown, in one embodiment, the desktop 1 and the support columns 16 are preferably fixed by welding to improve the stability of the device. Four support columns 16 are fixedly connected to the bottom of the desktop 1. The support of the desktop 1 is achieved through the provision of the support columns 16.

[0030] The specific working method is: when in use, put the rectangular steel bar on the shell 3, move the four limit columns 8 to limit its position, then start the two hydraulic cylinders 2 10 on the desktop 1 to drive the rectangular frame 11 to move, extrude the rectangular steel bar into shape, and then weld the joints. After the welding is completed, let it cool, start the hydraulic cylinder 1 2 to drive the shell 3 to rise, start the hydraulic cylinder 3 13 on the fixed frame 12 to drive the pressure block 15 to extrude the steel bar into shape, and realize the eight-shaped processing of the steel bar, which is convenient for molding, can ensure the construction quality, good appearance quality, improve work efficiency, and effectively reduce the labor intensity of workers.

[0031] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A cold bending machine for processing ribs, comprising a tabletop (1), a hydraulic cylinder (2) fixedly connected to the bottom of the tabletop (1), an output end of the hydraulic cylinder (2) connected to a housing (3), characterized in that: Also includes; The squeezing mechanism comprises a squeezing unit and a limiting unit, the squeezing unit comprises two hydraulic cylinders (10) fixedly connected to the top of a desktop (1), the output ends of the two hydraulic cylinders (10) are connected to a rectangular frame (11), the top of the desktop (1) is fixedly connected to a fixed frame (12), the top of the fixed frame (12) is fixedly connected to a hydraulic cylinder (13), the output end of the hydraulic cylinder (13) is connected to a slide plate (14), and the bottom of the slide plate (14) is fixedly connected to a pressing block (15).

2. The cold bending machine for processing ribs according to claim 1, characterized in that: The limiting unit comprises four movable grooves (5) formed on the outer shell (3), each of the four movable grooves (5) being fixedly connected to a telescopic column (6), and four strip grooves (7) formed on the outer shell (3), and the other ends of the four telescopic columns (6) being fixedly connected to a limiting column (8) and extending out of the strip groove (7).

3. The cold bending machine for processing ribs according to claim 1, characterized in that: The shell (3) is provided with a pressing groove (4), and the pressing groove (4) is adapted to the pressing block (15).

4. The cold bending machine for processing ribs according to claim 2, characterized in that: A return spring (9) is sleeved on each of the four telescopic columns (6), and two ends of the return spring (9) are respectively fixedly connected to the telescopic column (6) and the limit column (8).

5. The cold bending machine for processing ribs according to claim 1, characterized in that: The fixing frame (12) is in a U shape.

6. The cold bending machine for processing ribs according to claim 1, characterized in that: Four support columns (16) are fixedly connected to the bottom of the table top (1).

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