CN204657342U - A kind of reinforcing bar curved arc equipment - Google Patents

Abstract

The utility model discloses a steel bar arc bending equipment, which comprises a workbench, arc limiting mechanisms and power cylinders arranged at both ends of the workbench. The centerlines of the cylinder, the main pressing block and the radian limiting mechanism arranged in the middle coincide. Compared with the prior art, the utility model has the advantages of high precision of the bending arc, easy adjustment of the bending angle and bending radius; the length of the straight sections at both ends of the arc can be adjusted; the equipment has high production efficiency, small investment, and easy operation. It is convenient; the diameter of steel bar for arc bending can reach 50mm; the precision and wear resistance of steel bar arc bending are guaranteed; welding and gas cutting in the prior art are not needed.

Description

A kind of steel bar bending equipment

technical field

The utility model relates to a steel bar arc bending device, in particular to a steel bar arc bending device for the production process of a square culvert comprehensive pipe gallery.

Background technique

In the production process of the existing square and culvert comprehensive pipe gallery, there is no special equipment on the market for the bending of steel bars. Many construction units use spot welding of the steel bars used side by side (generally 10 bars in a row), and then roll the steel bars together. It is rolled and pressed on the machine, and then made by gas cutting. This method has low efficiency, large investment in equipment, and damage to the mechanical properties of steel bars.

Utility model content

The utility model overcomes the disadvantages of the prior art and provides a steel bar arc bending device without welding and gas cutting.

The technical scheme of the utility model is: a kind of steel bar arc bending equipment, including a workbench and a radian limiting mechanism and a power cylinder arranged at both ends of the workbench. The centerlines of the power cylinder, the main pressing block and the radian limiting mechanism arranged in the middle coincide.

Further, the arc limiting mechanism includes a driving screw and a wheel frame connected to the driving screw, a guide base is provided outside the driving screw and the wheel frame, and an arc limiting wheel is arranged on the wheel frame.

Furthermore, a lock nut is provided on the drive screw rod.

Furthermore, an adjustment handwheel is provided on the drive screw rod.

Further, the three arc limiting mechanisms are distributed along the arc.

Further, the main pressing block and the three arc limiting mechanisms are made of high-strength tool steel.

Further, the power cylinder is an air cylinder or a hydraulic oil cylinder.

Compared with the prior art, the utility model has the advantages of:

1. The accuracy of the bending arc is high, and the adjustment of the bending angle is easy;

2. The length of the straight section at both ends of the arc can be adjusted;

3. The production efficiency of the equipment is high, the investment is small, and the operation is convenient;

4. The diameter of steel bars made by arc bending can reach 50mm;

5. The manufacturing precision and wear resistance of steel bar bending equipment are guaranteed.

Description of drawings

The utility model will be explained by way of example and with reference to the accompanying drawings, wherein:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the radian limiting mechanism.

Detailed ways

A steel bar bending equipment, as shown in Figure 1, includes: a main pressing block 1, an arc limiting mechanism 2, a power cylinder 3 and a workbench 4, etc., wherein:

The power cylinder 3 is arranged at one end of the workbench 4 , three groups of arc limiting mechanisms 2 are arranged at the other end of the workbench 4 , and the main pressing block 1 is arranged on the power cylinder 3 . The centerlines of the power cylinder 3, the main pressing block 1 and the radian limiting mechanism 2 arranged in the middle coincide.

The main pressing block 1 can be made into main pressing blocks of different specifications or models according to the required turning radius and corner size.

The shape and structure of the arc limiting mechanism 2 are shown in FIG. 2 , including an adjusting hand wheel 21 , a drive screw 22 (with a lock nut), a guide base 23 , a wheel frame 24 , and an arc limiting wheel 25 . The operation process of the three arc limiting mechanisms 2 is as follows. The first step is to install the guide base 23 at a predetermined position, the second step is to rotate and adjust the hand wheel 21, the third step is to drive the wheel frame 24 to move up and down through the transmission screw 22, and the fourth step The step arc limit wheel 25 moves up and down along the direction of the extension of the drive screw mandrel 22 with the movement of the wheel carrier 24, and the locking nut on the fifth step rotates the drive screw mandrel 22 to limit the arc limit wheel 25 to move.

The main pressing block 1 and the three arc limiting mechanisms 2 are made of high-strength tool steel.

The power cylinder 3 is an air cylinder or a hydraulic oil cylinder, an air cylinder is used when the steel bar diameter is less than 20 mm, and a hydraulic oil cylinder is used when the steel bar diameter is ≥ 20 mm.

The working principle of the utility model is: three groups of radian limiting mechanisms 2 are arranged on one end of the workbench 4 according to the required turning radius and corner size; the main pressing block 1 that meets the radian requirements is selected and installed on the power cylinder 3; 3. When it is in the minimum stroke and the equipment is not started, put in the steel bar 5 of predetermined length; start the steel bar bending equipment, the power cylinder 3 completes a stroke, and bend the steel bar 5 of the predetermined length to obtain the required specification and high precision. Curved bars. If the blanking steel bar straight section is longer, the length of the workbench 4 can be appropriately increased to ensure the positioning accuracy. The utility model uses a cylinder or a hydraulic oil cylinder as power, controls the turning angle and turning radius through the main pressing block 1 and the arc limiting mechanism 2, and presses the steel bar into a straight line section at both ends and an arc section in the middle, and the turning radius of the arc is And the bending angle can be adjusted to achieve non-destructive production, improve production efficiency and reduce noise.

Claims (7)

1. A kind of steel bar arc bending equipment, it is characterized in that: comprise: workbench and be arranged on the radian limiting mechanism and the power cylinder of workbench two ends, described radian limiting mechanism is three groups, main briquetting block is set on the power cylinder, so The centerlines of the power cylinder, the main pressure block and the radian limiting mechanism arranged in the middle coincide. 2. A steel bar bending equipment according to claim 1, characterized in that: the radian limiting mechanism includes a drive screw and a wheel frame connected to the drive screw, and guides are provided outside the drive screw and the wheel frame The base is provided with an arc limiting wheel on the wheel frame. 3. A steel bar arc bending equipment according to claim 2, characterized in that: a locking nut is arranged on the driving screw rod. 4. A steel bar bending equipment according to claim 2, characterized in that: an adjustment hand wheel is arranged on the driving screw. 5. A steel bar bending equipment according to claim 1, characterized in that: three arc limiting mechanisms are distributed along the arc. 6. A steel bar arc bending equipment according to claim 1, characterized in that: the main pressing block and the three arc limiting mechanisms are made of high-strength tool steel. 7. The steel bar bending equipment according to claim 1, characterized in that: the power cylinder is an air cylinder or a hydraulic cylinder.