CN202290914U - Pipe bending device - Google Patents

Abstract

The utility model relates to the field of steel member manufacturing, in particular to a pipe bending device, which comprises a positioning wheel (5), a first moving wheel (1) and a second moving wheel (2); the positioning wheel (5) is positioned at the downstream of the workpiece feeding device (8); the first moving wheel (1) and the second moving wheel (2) are positioned in front of the positioning wheel (5), and a gap is formed between the first moving wheel and the second moving wheel to serve as a workpiece channel; the first moving wheel (1) is rotatably arranged at the power tail end of the first driving mechanism (4), and the second moving wheel (2) is rotatably arranged at the power tail end of the second driving mechanism (3) so as to push the workpiece (7) to bend towards the preset direction. The utility model discloses can simplify the bender structure, reduce cost improves the crooked precision of work piece.

Description

Tube bender

technical field

The utility model relates to the field of steel member production, in particular to a pipe bending device. the

Background technique

In the manufacture of steel components, a large number of pipes need to be processed, which often involves bending the pipe body, mostly two-dimensional bending. Commonly used methods include intermediate frequency heating pipe bending, three-point cold pressing bending with a press, etc. The bending radius of the two must be more than 5 times the outer diameter of the pipe. For example, it is impossible to use a smaller bending radius. The application number is "200710134959.4" and the name is "Arc-shaped Cold Bending Forming Die for Circular Tube Steel Components", which can easily bend 800mm circular tubes into a half-circle arc length. However, the pipe bending device is complex in structure and expensive, and is difficult to be widely popularized in enterprises. the

Utility model content

In view of this, the purpose of the utility model is to provide a pipe bending device, which can simplify the structure of the bending machine, reduce the cost and improve the bending precision. the

In order to solve the above technical problems, the technical solution provided by the utility model is: a pipe bending device, including a positioning wheel (5), a first moving wheel (1) and a second moving wheel (2); the positioning wheel (5 ) is located downstream of the workpiece feeding device (8); the first moving wheel (1) and the second moving wheel (2) are located in front of the positioning wheel (5), forming a gap between them as a workpiece channel; the The first moving wheel (1) is rotatably installed on the power end of the first driving mechanism (4), and the second moving wheel (2) is rotatably installed on the power end of the second driving mechanism (3) to push the workpiece (7) Bend in the desired direction. the

Preferably, the workpiece feeding device (8) is a conveying roller table. the

Preferably, the first driving mechanism (4) and the second driving mechanism (3) are respectively an oil cylinder. the

Preferably, the first driving mechanism (4) and the second driving mechanism (3) are respectively an air cylinder. the

Preferably, the positioning wheel (5), the first moving wheel (1) and the second moving wheel (2) are installed on the working platform. the

Preferably, a control device is included, which is electrically connected to the workpiece feeding device (8), the first driving mechanism (4), and the second driving mechanism (3), and controls the workpiece feeding device (8) respectively according to a preset strategy. ), the first drive mechanism (4), and the second drive mechanism (3) act. the

Preferably, an intermediate frequency heating pretreatment mechanism (6) is provided, and the intermediate frequency heating pretreatment mechanism (6) is close to the bending part of the workpiece (7). the

Compared with the prior art, the pipe bending device of the utility model is equipped with a positioning wheel and two moving wheels; one end of the workpiece is close to the positioning wheel, and the other end is sandwiched between the moving wheels; the driving mechanism can push the moving wheel to move, so that it can be conveniently The workpiece is bent. The action range of the driving mechanism can be adjusted precisely, which is beneficial to improve the precision of pipe bending. The pipe bending device has fewer parts, which greatly simplifies the structure and is also beneficial to reduce the cost. the

Description of drawings

Fig. 1 shows the schematic diagram of the pipe bending device of the present invention. the

Detailed ways

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. the

Referring to Fig. 1, represent a preferred embodiment of the utility model pipe bending device. The pipe bending device includes a positioning wheel 5, a first moving wheel 1 and a second moving wheel 2, wherein: the positioning wheel 5 is located downstream of the workpiece feeding device 8; the first moving wheel 1 and the second moving wheel 2 are located at the positioning wheel 5 A gap is formed between them as a workpiece channel; the first moving wheel 1 and the second moving wheel 2 are respectively rotated and installed on the power ends of the first driving mechanism 4 and the second driving mechanism 3 to push the workpiece 7 to bend in a predetermined direction . During operation, make one end of the workpiece close to the positioning wheel 5, and the other end is clamped between the first moving wheel 1 and the second moving wheel 2; then the driving mechanism promotes the action of the two moving wheels, so that the workpiece 7 can be bent easily. the

In this embodiment, the positioning wheel 5, the first moving wheel 1 and the second moving wheel 2 are installed on the working platform (not shown in the figure); the workpiece feeding device 8 is a conveying roller table, which can transport the workpiece 7 conveniently; The first driving mechanism 4 and the second driving mechanism 3 are oil cylinders or air cylinders respectively; a control device (not shown) is provided at the same time, and it is electrically connected with the workpiece feeding device 8, the first driving mechanism 4, and the second driving mechanism 3 , and respectively control the action of the workpiece feeding device 8, the first driving mechanism 4, and the second driving mechanism 3 according to a preset strategy. the

As shown in FIG. 1 , an intermediate frequency heating pretreatment mechanism 6 is provided in this embodiment, which is located close to the bending part of the workpiece 7 . Before bending the workpiece 7, the bending part can be heated by intermediate frequency first, so that the subsequent process of bending is easier. the

In the pipe bending device of the utility model, the action range of the driving mechanism can be adjusted accurately, which is beneficial to improving the pipe bending precision. Its main components are positioning wheels and moving wheels, with fewer components, which simplifies the structure of the bending machine and is also conducive to reducing costs. the

The above are only preferred implementations of the present utility model. It should be pointed out that the above-mentioned preferred implementations should not be regarded as limitations on the present utility model, and the protection scope of the present utility model should be based on the scope defined by the claims. For those skilled in the art, without departing from the spirit and scope of the utility model, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the utility model. the

Claims (7)

1. A pipe bending device, characterized in that it comprises a positioning wheel (5), a first moving wheel (1) and a second moving wheel (2); the positioning wheel (5) is positioned at the workpiece feeding device (8) Downstream; the first moving wheel (1) and the second moving wheel (2) are located in front of the positioning wheel (5), and a gap is formed between them as a workpiece channel; the first moving wheel (1) is rotated and installed At the power end of the first driving mechanism (4), the second moving wheel (2) is rotatably mounted on the power end of the second driving mechanism (3) to push the workpiece (7) to bend toward a predetermined direction. 2. The pipe bending device according to claim 1, characterized in that, the workpiece feeding device (8) is a conveying roller table. 3. The pipe bending device according to claim 1, characterized in that, the first driving mechanism (4) and the second driving mechanism (3) are respectively an oil cylinder. 4. The pipe bending device according to claim 1, characterized in that, the first driving mechanism (4) and the second driving mechanism (3) are respectively an air cylinder. 5. The pipe bending device according to claim 1, characterized in that, the positioning wheel (5), the first moving wheel (1) and the second moving wheel (2) are installed on a working platform. 6. The pipe bending device according to claim 1, characterized in that it comprises a control device electrically connected with the workpiece feeding device (8), the first drive mechanism (4), and the second drive mechanism (3), And respectively control the action of the workpiece feeding device (8), the first driving mechanism (4) and the second driving mechanism (3) according to a preset strategy. 7. The pipe bending device according to any one of claims 1 to 6, characterized in that an intermediate frequency heating pretreatment mechanism (6) is provided, and the intermediate frequency heating pretreatment mechanism (6) is close to the workpiece (7 ) of the bending part. the