KR20230005614A - Pipe Processing Apparatus Having CNC Bending Part And Laser Cutting Part - Google Patents

Abstract

Disclosed is a pipe processing apparatus including a CNC bending part and a laser cutting part. In accordance with an embodiment of the present invention, the pipe processing apparatus includes: a pipe continuous-feeding unit providing an original pipe to be processed to a CNC bending machine; a pipe support unit integrated with one side of the pipe continuous-feeding unit, and supporting a part of an outer circumference surface of the original pipe to be processed while guiding the pipe to the CNC bending machine; the CNC bending machine mounted on one side of the pipe support unit, and bending the original pipe delivered from the pipe support unit with a curvature radius, a bending direction and a bending angle; and a laser cutting unit installed adjacent to the CNC bending unit, and cutting one end of the completely bent pipe with a laser. In accordance with the present invention, since the pipe processing apparatus includes the pipe continuous-feeding unit, the pipe support unit, the CNC bending machine and the laser cutting unit, in regard to CNC bending processing for bending multiple curve points of a pipe such that an interference part does not exist in a three-dimensional space, the pipe processing apparatus can shorten time consumed for pipe cutting work, save costs, and prevent a material loss occurring due to post-cutting, thereby maximizing work efficiency of a pipe bending process and saving required costs.

Description

Pipe Processing Apparatus Having CNC Bending Part And Laser Cutting Part}

The present invention relates to a pipe processing apparatus, and more particularly, to a pipe processing apparatus in which work efficiency is maximized by performing laser cutting after CNC bending while simultaneously loading a pipe sheet.

In the case of a general pipe bending process, a CNC bending machine is used to perform the process according to a previously input drawing.

1 shows a photograph showing a general bending machine.

In the case of a general bending machine, a pre-cut pipe to be subjected to bending processing is provided from one side, and bending processing of the corresponding pipe is performed. At this time, the bent pipe undergoes cutting again according to the designed dimensions.

In the bending process using the prior art bending machine, the bending process of the pipe to be processed is performed through a pre-cutting process, a bending process, and a post-cutting process.

Therefore, the bending processing method according to the prior art takes a long time as the cutting process is performed twice, and material loss occurs according to the cutting of the pipe material, resulting in a high cost in the processing process. There is a problem.

Therefore, there is a need for a technique capable of solving the above-mentioned problems according to the prior art.

Korean Registered Patent Publication No. 10-138497 (registration date: April 7, 2014)

An object of the present invention is to reduce the time required for pipe cutting work and reduce costs in CNC bending processing in which multi-curved points are bent so that there are no interference parts in a three-dimensional space, and material loss caused by post-cutting ( loss), and as a result, to provide a pipe processing device that can maximize the work efficiency of the pipe bending process and reduce the cost.

A pipe processing apparatus according to an aspect of the present invention for achieving this object includes a continuous pipe supply unit for providing a CNC bending machine with a pipe to be processed; a pipe support unit integrally mounted on one side of the pipe continuous supply unit, supporting a part of the outer circumferential surface of the pipe to be processed and guiding it to the CNC bending machine; a CNC bending machine mounted on one side of the pipe support and bending the pipe length delivered from the pipe support with a preset radius of curvature, bending direction, and bending angle; and a laser cutting unit that is installed adjacent to the CNC bending machine and cuts one end of the pipe after bending using a laser.

In one embodiment of the present invention, the continuous pipe supply unit, the pipe holding unit of the structure for gripping the pipe in the form of wrapping the outer peripheral surface of the pipe to be processed; A sliding driving unit mounted on an upper surface of a pipe holding unit and mounted on an upper portion of a sliding rail to change a sliding position; and a sliding rail portion having a rail structure extending to one side by a predetermined length.

In one embodiment of the present invention, the pipe holding part is mounted on the upper surface of the sliding drive unit, and an upper groove of a V-shaped structure is formed in the upper center in which the lower part of the pipe gripper can be seated, and on both sides A lower block equipped with a guide bar extending upward by a predetermined height; It is mounted on the upper part of the lower block so that the position can be changed in the vertical direction along the guide bar, and a lower groove of a V-shaped structure is formed in the lower center in which the upper part of the pipe gripper can be seated, and the guide bar is bound on both sides. a structured upper block; and a pipe gripper having a structure that is seated in the upper groove and the lower groove at the same time and presses the outer circumferential surface of the pipe to be processed in eight directions spaced apart by a predetermined angle according to the downward driving of the upper block.

In one embodiment of the present invention, the pipe gripper has a structure separated into a plurality of pieces spaced apart by a predetermined angle along the outer circumferential surface of the pipe to be processed, and the plurality of pieces are separated according to the downward position change of the upper block. By converging in the center direction of, it may be configured to press the outer peripheral surface of the pipe to be processed.

In this case, the plurality of pieces of the pipe gripper are bound to each other in a sliding rail structure, each side of the plurality of pieces of the pipe gripper is bound to each other by an elastic member, and according to the upward position change of the upper block A plurality of pieces may be separated from each other at regular intervals by the elastic restoring force of the elastic member, thereby moving away from the outer circumferential surface of the pipe to be processed.

In one embodiment of the present invention, the pipe support part is disposed upward at a predetermined height on one side of the pipe continuous supply part, and a pair of first rollers surrounding a portion of the outer circumferential surface of both sides of the pipe to be processed are mounted so as to be freely rotatable. a first support; A pair of second rollers mounted between the first support and the CNC bending machine so as to be able to change position along the supply direction of the pipe to be processed, disposed upward at a predetermined height, and covering a part of the outer circumferential surface on both sides of the pipe to be processed External control signal A second support rotatably mounted by; And a control unit mounted on one side of the pipe continuous supply unit and controlling the position change drive of the second support unit and the rotation drive of the second roller in conjunction with the operation of the continuous pipe supply unit and the CNC bending machine.

In one embodiment of the present invention, the laser cutting unit includes a housing assembly including a central hole for supporting a portion of a pipe to be cut in a fixed position; a rotatable collar attached to an outer surface of the housing assembly to surround the central hole in such a way that the pipe to be cut is exposed therethrough; a cutting head attached to the rotatable collar; a first drive element that is connected to the rotatable collar and the cutting head in such a way as to give rotational motion to the rotatable collar, and performs axial cutting around the pipe to be cut by the cutting head; a second driving element coupled to the cutting head to move the cutting head laterally relative to the housing so that the cutting head performs a translational cut along the pipe to be cut; and a processor connected to the first driving element and the second driving element and responsive to a plurality of input signals defining the pipe diameters, the material, and the desired cutting profile. can be config.

As described above, according to the pipe processing apparatus including the CNC bending unit and the laser cutting unit of the present invention, by providing a pipe continuous supply unit, a pipe support unit, a CNC bending machine and a laser cutting unit having a specific structure, the pipe can be interfered with in a three-dimensional space. In the CNC bending process, which bends multi-curved points without any defects, it is possible to shorten the time required for pipe cutting work, reduce costs, and prevent material loss caused by post-cutting, resulting in the reduction of the pipe bending process. It is possible to provide a pipe processing device that can maximize work efficiency and reduce costs.

In addition, according to the pipe processing apparatus including the CNC bending unit and the laser cutting unit of the present invention, the outer circumferential surface of the pipe to be processed is stably formed by providing a pipe continuous supply unit including a pipe holding unit, a sliding driving unit, and a sliding rail unit having a specific structure. It is possible to provide a pipe processing device capable of ensuring pipe bending quality by gripping and supplying the CNC bending machine at a predetermined supply speed.

In addition, according to the pipe processing apparatus including the CNC bending unit and the laser cutting unit of the present invention, by providing a pipe holding unit including a lower block, an upper block and a pipe gripper of a specific structure, gripping the outer circumferential surface of the pipe to be processed By doing so, it is possible to stably grip the outer circumferential surface of the pipe to be processed and supply it to the CNC bending machine at a predetermined supply speed, thereby providing a pipe processing device capable of guaranteeing pipe bending quality.

In addition, according to the pipe processing apparatus including the CNC bending unit and the laser cutting unit of the present invention, the pipe support unit including the first support unit, the second support unit, and the control unit having a specific structure is provided, thereby stably supporting the outer circumferential surface of the pipe to be processed Therefore, it is possible to provide a pipe processing device capable of guaranteeing pipe bending quality by supplying the CNC bending machine at a predetermined supply speed.

In addition, according to the pipe processing apparatus including the CNC bending part and the laser cutting part of the present invention, by having a laser cutting part including a housing assembly, a collar, a cutting head, a first driving element, a second driving element and a processor having a specific structure , It is possible to provide a pipe processing apparatus capable of cutting a pipe having a cylindrical shape and forming various cutting surfaces.

1 is a perspective view showing a CNC bending machine according to the prior art.
2 is a schematic diagram showing a pipe processing apparatus according to an embodiment of the present invention.
3 is a perspective view showing a pipe processing apparatus according to an embodiment of the present invention.
4 is a plan view showing a pipe processing apparatus according to an embodiment of the present invention.
5 is a front view showing a pipe holding part of a pipe processing apparatus according to an embodiment of the present invention.
6 is a front view illustrating the pipe gripper of the pipe holding part shown in FIG. 5;
7 is a perspective view showing a laser cutting unit of a pipe processing apparatus according to an embodiment of the present invention.
8 to 12 are schematic views illustrating a process of cutting pipes into various shapes using a laser cutting unit according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to this, terms or words used in this specification and claims should not be construed as limited to ordinary or dictionary meanings, but should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

Throughout this specification, when a member is said to be located “on” another member, this includes not only a case where a member is in contact with another member, but also a case where another member exists between the two members. Throughout this specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.

2 is a schematic diagram showing a pipe processing apparatus according to an embodiment of the present invention.

Referring to FIG. 2, the pipe processing apparatus 100 according to this embodiment includes a continuous pipe supply unit 110 of a specific structure, a pipe support unit 120, a CNC bending machine 130 and a laser cutting unit 140 of a specific structure. By providing, in the CNC bending process in which the pipe is bent at multi-curved points in a three-dimensional space so that there is no interference, it is possible to reduce the time required for the pipe cutting operation and reduce the cost, and to reduce material loss caused by post-cutting. As a result, it is possible to provide a pipe processing device capable of maximizing the work efficiency of the pipe bending process and reducing the cost.

Hereinafter, each component constituting the pipe processing apparatus 100 according to the present embodiment will be described in detail with reference to the drawings.

3 is a perspective view showing a pipe processing apparatus according to an embodiment of the present invention, and FIG. 4 is a plan view showing a pipe processing apparatus according to an embodiment of the present invention.

Referring to these drawings, the pipe continuous supply unit 110 according to the present embodiment may provide the CNC bending machine 130 with a pipe sheet to be processed.

The pipe support unit 120 is integrally mounted on one side of the pipe continuous supply unit 110, supports a portion of the outer circumferential surface of the pipe to be processed, and can be guided to the CNC bending machine 130 at the same time.

The CNC bending machine 130 is configured to be mounted on one side of the pipe support 120, and can bend the pipe length delivered from the pipe support 120 at a preset radius of curvature, bending direction, and bending angle.

The laser cutting unit 140 is installed adjacent to the CNC bending machine 130 and can cut one end of the pipe after bending using a laser.

Specifically, the pipe continuous supply unit 110 according to the present embodiment may have a structure including a pipe holding unit 111, a sliding driving unit 112, and a sliding rail unit 113 having a specific structure.

The pipe holding unit 111 of the continuous pipe supply unit 110 may have a structure for holding the pipe in a form surrounding the outer circumferential surface of the pipe to be processed. The sliding driving unit 112 is configured to mount the pipe holding unit 111 on the upper surface, and can be mounted on the upper part of the sliding rail to change its sliding position. In addition, the sliding rail unit 113 may have a rail structure extending in one direction by a predetermined length.

In this case, according to the present embodiment, by providing a continuous pipe supply unit 110 including a pipe holding unit 111, a sliding driving unit 112, and a sliding rail unit 113 having a specific structure, the outer circumferential surface of the pipe to be processed is It is possible to stably grip and supply the CNC bending machine 130 according to a preset supply speed, thereby providing a pipe processing device capable of guaranteeing pipe bending quality.

The above-mentioned pipe holding part 111 will be described in more detail with reference to FIGS. 5 and 6 .

5 is a front view showing the pipe holding part of the pipe processing apparatus according to an embodiment of the present invention, and FIG. 6 is a front view showing the pipe gripper of the pipe holding part shown in FIG. 5 .

The pipe holding unit 111 according to the present embodiment is configured to include a lower block 111a, an upper block 111b and a pipe gripper 111c of a specific structure.

Specifically, the lower block 111a is configured to be mounted on the upper surface of the sliding drive unit 112, and has an upper groove 111d of a V-shaped structure in longitudinal section in which the lower part of the pipe gripper 111c can be seated in the upper central portion. This is formed, and guide bars 111f extending upward by a predetermined height may be mounted on both sides.

The upper block 111b is mounted on the upper part of the lower block 111a so as to be able to change its position in the vertical direction along the guide bar 111f, and the upper end of the pipe gripper 111c can be seated in the lower central part. A planar V-shaped lower groove 111e is formed, and binding structures 111g bound to the guide bars 111f may be formed on both sides.

In addition, the pipe gripper 111c according to the present embodiment is configured to be seated in the upper groove 111d and the lower groove 111e at the same time, and the outer circumferential surface of the pipe to be processed is rotated at a certain angle according to the downward driving of the upper block 111b. It may be a structure that presses in eight directions spaced apart by as much as.

As shown in FIGS. 5 and 6 , the pipe gripper 111c has a structure separated into a plurality of pieces 111c-1 and 111c-2 spaced apart by a predetermined angle along the outer circumferential surface of the pipe to be processed. At this time, the plurality of pieces 111c-1 and 111c-2 constituting the pipe gripper 111c converge toward the center of the pipe to be processed according to the change in the lower position of the upper block 111b, and thus the outer circumferential surface of the pipe to be processed. can pressurize.

The plurality of pieces 111c-1 and 111c-2 of the pipe gripper 111c are bound to each other by a sliding rail structure 111h, and an elastic member ( 111k). Therefore, as the upper block 111b changes its upward position, the elastic restoring force of the elastic member 111k spreads the pieces apart at regular intervals, thereby realizing an operation moving away from the outer circumferential surface of the pipe to be processed.

In this case, according to the present embodiment, a pipe holding part 111 including a lower block 111a, an upper block 111b, and a pipe gripper 111c having a specific structure is provided, thereby wrapping the outer circumferential surface of the pipe to be processed. By gripping with, it is possible to stably grip the outer circumferential surface of the pipe to be processed and supply it to the CNC bending machine 130 according to a preset supply speed, thereby providing a pipe processing device capable of guaranteeing pipe bending quality.

Meanwhile, as shown in FIGS. 3 and 4 , the pipe support 120 according to the present embodiment includes a first support 121, a second support 122, and a control unit 123 having a specific structure. can be

Specifically, the first support part 121 is configured to be disposed upward at a predetermined height on one side of the pipe continuous supply part 110, and the pair of first rollers 121a surrounding a portion of the outer circumferential surface on both sides of the pipe to be processed are free. It can be mounted rotatably.

The second support part 122 is mounted between the first support part 121 and the CNC bending machine 130 so as to be able to change its position along the supply direction of the pipe to be processed, and is disposed upward at a predetermined height, and the pipe to be processed A pair of second rollers (122a) surrounding a portion of the outer circumferential surface of both sides of the may be mounted to be rotatable by an external control signal.

In addition, as shown in FIG. 4, the control unit 123 is configured to be mounted on one side of the pipe continuous supply unit 110, and the second support unit interlocks with the operation of the pipe continuous supply unit 110 and the CNC bending machine 130. It is possible to control the position change drive of 122 and the rotation drive of the second roller 122a.

In this case, according to the present embodiment, by providing the pipe support 120 including the first support 121, the second support 122, and the control unit 123 having a specific structure, the outer circumferential surface of the pipe to be processed is stably stabilized. It is possible to provide a pipe processing device that can support and supply the CNC bending machine 130 according to a preset supply speed, thereby ensuring pipe bending quality.

7 is a perspective view showing a laser cutting unit of a pipe processing apparatus according to an embodiment of the present invention, and FIGS. 8 to 12 cut pipes in various shapes using a laser cutting unit according to an embodiment of the present invention. A schematic diagram showing the process is shown.

Referring to these drawings, the laser cutting unit 140 according to the present embodiment includes a housing assembly 141 having a specific structure, a collar 142, a cutting head 143, and a first driving element 144 ), a second driving element 145 and a processor (processor, 146).

Specifically, the housing assembly 141 according to this embodiment has a structure including a central hole H for supporting a portion of a pipe to be cut in a fixed position.

The collar 142 is a rotatable structure attached to the outer surface of the housing assembly 141 so as to surround the central hole in such a way that the pipe to be cut is exposed therethrough.

In addition, the cutting head 143 attached to the rotatable collar 142 is equipped with a device capable of irradiating a laser for pipe cutting.

The first driving element 144 is connected to the rotatable collar 142 and the cutting head 143 in such a way as to give rotational motion to the rotatable collar 142, so that the cutting head 143 surrounds the pipe to be cut. It is a configuration that performs axial cutting on

The second driving element 145 is connected to the cutting head 143 to move the cutting head 143 laterally relative to the housing so that the cutting head 143 performs translational cutting along the pipe to be cut. It is a composition that

In addition, the processor 146 is connected to the first driving element 144 and the second driving element 145, and a plurality of input signals defining the diameters, material, and required cutting profile of the pipe. It is a composition that reacts to the fields.

The laser cutting unit 140 having this configuration can change the position of the cutting head 143 along the upper circumferential surface of the pipe using the first driving element 144, and using the second driving element 144 By doing so, the position of the cutting head 143 can be changed along the longitudinal direction of the pipe. That is, by combining the operation of the first driving element 144 and the second driving element 144, pipe cutting surfaces having various shapes can be obtained according to the operator's intention.

In this case, according to the present embodiment, the housing assembly 141, the collar 142, the cutting head 143, the first driving element 144, the second driving element 145 and the processor 146 of a specific structure By having the laser cutting unit 140 including, it is possible to provide a pipe processing apparatus 100 capable of cutting a pipe having a cylindrical shape and forming various cutting surfaces.

In the above detailed description of the present invention, only specific embodiments thereof have been described. However, it should be understood that the present invention is not limited to the particular forms mentioned in the detailed description, but rather it is understood to include all modifications, equivalents and substitutes within the spirit and scope of the present invention as defined by the appended claims. It should be.

That is, the present invention is not limited to the specific embodiments and descriptions described above, and anyone having ordinary knowledge in the technical field to which the present invention belongs can make various modifications without departing from the gist of the present invention claimed in the claims. is possible, and such variations fall within the protection scope of the present invention.

10: pipe to be processed
100: pipe processing device
110: pipe continuous supply unit
111: pipe holding part
111a: lower block
111b: upper block
111c: pipe gripper
111d: upper groove
111e: lower groove
111f: guide bar
111g: binding structure
111h: sliding rail structure
111k: elastic member
112: sliding drive unit
113: sliding rail part
120: pipe support
121: first support
121a: first roller
121b: support member
122: second support
122a: second roller
122b: support member
123: control unit
130: CNC bending machine
140: laser cutting unit
141: housing assembly
142: collar
143: cutting head
144: first driving element
145: second driving element
146: processor

Claims (5)

Pipe continuous supply unit 110 for providing the pipe sheet to be processed to the CNC bending machine 130;
A pipe support 120 integrally mounted on one side of the pipe continuous supply unit 110, supporting a part of the outer circumferential surface of the pipe to be processed and guiding it to the CNC bending machine 130;
A CNC bending machine 130 mounted on one side of the pipe support 120 and bending the pipe length delivered from the pipe support 120 at a preset radius of curvature, bending direction, and bending angle; and
A laser cutting unit 140 installed adjacent to the CNC bending machine 130 and cutting one end of the pipe after bending using a laser;
A pipe processing apparatus comprising a.
According to claim 1,
The pipe continuous supply unit 110,
A pipe holding part 111 having a structure for holding the pipe in a form surrounding the outer circumferential surface of the pipe to be processed;
A sliding driving unit 112 that mounts the pipe holding unit 111 on an upper surface and is mounted on an upper portion of the sliding rail to change the sliding position; and
A sliding rail part 113 having a rail structure extending to one side by a predetermined length;
including,
The pipe holding part 111,
It is mounted on the upper surface of the sliding drive unit 112, and an upper groove of a V-shaped structure is formed in the upper center in which the lower part of the pipe gripper can be seated, and guide bars extending upward by a predetermined height are mounted on both sides lower block;
It is mounted on the upper part of the lower block so that the position can be changed in the vertical direction along the guide bar, and a lower groove of a V-shaped structure is formed in the lower center in which the upper part of the pipe gripper can be seated, and the guide bar is bound on both sides. a structured upper block; and
a pipe gripper having a structure that is seated in the upper groove and the lower groove at the same time and presses the outer circumferential surface of the pipe to be processed in eight directions spaced apart by a predetermined angle according to the downward driving of the upper block;
A pipe processing apparatus comprising a.
According to claim 2,
The pipe gripper,
It is a structure separated into a plurality of pieces spaced apart by a certain angle along the outer circumferential surface of the pipe to be processed,
As the upper block changes downward, a number of pieces converge toward the center of the pipe to be processed, thereby pressurizing the outer circumferential surface of the pipe to be processed,
A plurality of pieces of the pipe gripper are bound to each other in a sliding rail structure,
Each side of the plurality of pieces of the pipe gripper is bound to each other by an elastic member,
A pipe processing apparatus characterized in that a plurality of pieces are separated from the outer circumferential surface of the pipe to be processed by being spread apart at a predetermined interval by the elastic restoring force of the elastic member according to the upward position change of the upper block.
According to claim 1,
The pipe support 120,
A first support part 121 disposed upwardly on one side of the pipe continuous supply part 110 at a predetermined height and having a pair of first rollers 121a that surround parts of both sides of the outer circumferential surface of the pipe to be processed are freely rotatable;
It is mounted between the first support part 121 and the CNC bending machine 130 so as to be able to change its position along the supply direction of the pipe to be processed, is disposed upward at a predetermined height, and surrounds a portion of the outer circumferential surface on both sides of the pipe to be processed A pair of a second support part 122 mounted to rotate the second roller 122a by an external control signal; and
It is mounted on one side of the pipe continuous supply unit 110 and interlocks with the operation of the continuous pipe supply unit 110 and the CNC bending machine 130 to change the position of the second support unit 122 and rotate the second roller 122a. Control unit 123 for controlling;
A pipe processing apparatus comprising a.
According to claim 1,
The laser cutting part 140,
a housing assembly 141 including a center hole for supporting a portion of pipe to be cut in a fixed position;
a rotatable collar 142 attached to an outer surface of the housing assembly 141 so as to surround the central hole in such a way that the pipe to be cut is penetrated and exposed;
a cutting head 143 attached to the rotatable collar 142;
The rotatable collar 142 is connected to the rotatable collar 142 and the cutting head 143 by giving rotational motion to the rotatable collar 142, and the cutting head 143 performs shaft cutting around the pipe to be cut. drive element 144;
A second driving element 145 connected to the cutting head 143 to move the cutting head 143 laterally relative to the housing so that the cutting head 143 performs translational cutting along the pipe to be cut ; and
A processor connected to the first driving element 144 and the second driving element 145 and responding to a plurality of input signals defining the diameters, material, and required cutting profile of the pipe. , 146);
A pipe processing apparatus comprising a.

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