KR20180068401A - Machine for bending pipes - Google Patents

Abstract

The present invention relates to an apparatus for bending a pipe, comprising: a plate on which a pipe of a certain length is seated; a plurality of support rods configured to abut against the pipe; a roller for pressing the pipe at a side opposite to the support rod; a first block fixedly coupled to the plate and inserted through the support rod to adjust a position of the support rod on the plate; and a second block fixedly coupled to the plate at a position opposite to the first block, wherein the roller is inserted through the roller so that the roller is moved in the left-right direction and the back-and-forth direction on the plate while being rotated.

Description

[0001] MACHINE FOR BENDING PIPES [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe bending apparatus, and more particularly, to a bending apparatus for forming a curvature to be formed on a pipe in a single operation.

Generally, a bending apparatus fixes one end of a pipe at a starting point of a curvature of a rotary mold having a desired curvature, and then moves along the main surface of the rotary mold while the roller closely contacts the outer surface of the rotary mold, Bending the pipe with curvature.

This bending apparatus has a problem in that the cross section of the pipe is deformed (diameter is distorted) in the process of plastic deformation of the pipe along the curvature of the outer circumferential surface of the rotary mold. Such a change in cross section causes a resistance of the fluid flowing through the pipe.

Korean Patent Registration No. 10-68317 discloses a roller pipe bending device, and Korea Patent No. 583206 discloses an automatic bending device. Korean Patent Registration No. 0489932 discloses a bending apparatus for a rod and a billet, wherein a driving roller of a driving motor is rotatably coupled to a mounting base, and a V-shaped or semicircular lateral groove is formed along the outer periphery of the rotating roller, And a pusher roller installed at predetermined intervals with respect to the pusher roller.

However, even if the pusher roller is installed at a certain interval with respect to the rotating roller, the bending apparatus described above has a problem in that the bending force is uneven in the process of bending, and the cross-section is distorted due to the difference in the amount of plastic deformation at the bent portion It can not be fundamentally solved.

Also, there is a problem in that it is difficult to bend a pipe bending product having a three-dimensional shape or a diameter different from or different from the pitch.

In general, the pipe bending apparatus can be divided into a mandrel bending apparatus and a mandrel bending apparatus depending on whether or not the mandrel is mounted. In the mandrel bending apparatus, there is a disadvantage that the entire apparatus is bulky due to the mounting of the mandrel, The mandrel bending apparatus of the present invention is advantageous in that it is easy to move since the structure is simple and the volume of the apparatus is small.

Also, the conventional pipe bending apparatus generally rotates the roller while supporting the pipe, and performs a bending operation at a predetermined angle. At this time, a motor or hydraulic pressure is mainly used as the power for rotating the roller.

However, since the conventional motor driving system is required to be supplied with external power, it can not be used in a field where power is not supplied. In the conventional hydraulic driving system, a hydraulic pump or a hydraulic tank is provided, There is a problem that the configuration for controlling the bending angle is complicated.

(Patent Document 0001) Korean Patent No. 1583312 'A bending apparatus and a bending method capable of bending a pipe with a large curvature by sequential bending, and a stainless steel composite roll pipe wound in an annular shape using the bending apparatus,

SUMMARY OF THE INVENTION An object of the present invention is to minimize the angular error in a single operation so that the curvature is formed in the pipe.

The pipe bending apparatus according to the present invention includes a plate on which a pipe of a predetermined length is seated, a plurality of support rods formed to be in contact with the pipe, a roller which presses the pipe on the side opposite to the support rods, A first block inserted through the support bar to allow the position of the support bar to be adjusted on the plate, and a second block fixedly coupled to the plate at a position opposite to the first block, the roller being inserted through, And a second block which is moved in the left-right forward and backward directions.

And the support rod and the roller are controlled by being remote from the position and rotation by a remote control device provided outside.

According to the present invention, the following effects can be expected.

1) The positions of the support rods and the rollers can be varied to minimize the error in the curvature formed on the pipe.

1 is a plan view of a pipe bending apparatus according to the present invention;
2 is a cross-sectional view showing that the roller is rotationally moved according to an embodiment of the present invention;

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described below, but may be embodied in various different forms, and these embodiments are not intended to be exhaustive or to limit the scope of the present invention to the precise form disclosed, It is provided to inform the person completely of the scope of the invention. And the terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. The singular forms herein include plural forms unless the context clearly dictates otherwise.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Brief Description of Drawings FIG. 1 is a block diagram of a computer system according to an embodiment of the present invention; FIG. 2 is a block diagram of a computer system according to an embodiment of the present invention; FIG.

The pipe bending apparatus according to the present invention is a device for forming a curvature in a pipe, and may be constituted by a plate, a plurality of support rods, a first block through which the rollers and support rods are inserted and a second block through which the rollers are inserted have.

1 is a plan view of a pipe bending apparatus according to the present invention. Hereinafter, each configuration referring to FIG. 1 will be described in detail.

The plate 110 has a plate shape and a pipe 10, a support bar 120, a roller 130, a first block 140 and a second block 150 are disposed on the plate 110. More specifically, a predetermined length of pipe 10 is seated on the plate 110, and the pipe 10 is pressed on the plate 110 by the support rod 120 and the roller 130 to form a curvature.

The plate 110 may be installed horizontally on the floor or floor according to one embodiment of the present invention and may be installed vertically on the public or wall surface. More preferably, the plate 110 according to the present invention is installed horizontally on the floor or the ground.

According to one embodiment of the present invention, the plate 110 may be formed with one or more rings capable of supporting the pipe 10. The loop is made of a material that can support the pipe 10 without being displaced before the pipe 10 is pressed against the support rod 120 and the roller 130 but does not prevent the pipe 10 from being pressed and deformed to form a curvature . For example, the ring may be formed of a resilient and flexible rubber material.

The support rods 120 are formed in a plurality of support rods 120 so that when the pipe 10 is pressed by the rollers 130, the support rods 120 are abutted against the pipe 10 to form a desired curvature .

The plurality of support rods 120 can be individually adjusted in position. The support bar 120 is inserted through the first block 140.

The support rods 120 may have a long rod shape and may be provided through a plurality of the support rods 120 so as to pass through the first block 140. The support bar 120 may be inserted into the first block 140 and be positionally adjusted. More specifically, the position of the support bar 120 can be adjusted while varying the position of the support bar 120 through the first block 140.

The plurality of support rods 120 may protrude between the first block 140 and the second block 150 at different positions. The plurality of support rods 120 may be positioned in a manner to form a curvature in the pipe 10. The positioning of the support rods 120 can be manually adjusted by using the force of a person or a machine.

The position of the support rod 120 according to the embodiment of the present invention can be automatically controlled by the remote control device 20 provided outside. In other words, the position where the support rod 120 protrudes between the first block 140 and the second block 150 can be remotely adjusted.

2 shows a state in which the roller 130 according to the present invention presses the pipe 10 while rotating. Referring to the roller 130, the roller 130 may be coupled to the second block 150 to rotate along the circumferential direction, and may be moved in the left and right forward and backward directions on the plate 110. The roller 130 can be remotely controlled by the remote control device 20. [ The roller 130 is rotated and presses the pipe 10 to form a curvature. A curvature is formed in the pipe 10 according to a position where a plurality of support bars 120 disposed at opposed positions of the roller 130 are protruded between the first block 140 and the second block 150. More specifically, the roller 130 presses the pipe, while the plurality of support rods 120 support the pipe 10 on the opposite side, and the roller 130 is rotated in the circumferential direction to press the pipe 10, A curvature can be formed in the substrate 10.

The second block 150 through which the roller 130 is inserted can be formed so that the roller 130 can be rotated while being rotated.

The first block 140 and the second block 150 are installed on the plate 110 so that the first block 140 and the second block 150 are slid in a direction to vary the separation distance , The pipe 10 disposed between the first block 140 and the second block 150 may be pressed to form a cavity.

The first block 140 and the second block 150 may also be slid by the remote control device 20 according to an embodiment of the present invention.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the claims of the invention to be described below may be better understood. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the appended claims and their equivalents should be construed as being included within the scope of the present invention.

110: Plate
120:
130: roller
140: first block
150: second block
10: pipe
20: Remote control device

Claims (2)

A plate on which a pipe of a predetermined length is seated;
A plurality of support rods configured to abut against the pipe;
A roller for pressing the pipe at a side opposite to the support bar;
A first block fixedly coupled to the plate and inserted through the support bar to adjust the position of the support bar on the plate; And
And a second block fixedly coupled to the first block at a position opposed to the first block and adapted to be inserted through the roller so that the roller is rotated and moved in the forward and backward directions on the plate. Banding device. The method according to claim 1,
Wherein the support rod and the roller,
Wherein the position and rotation of the pipe bending device are controlled by a remote control device provided outside.

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