KR101878957B1 - Seam milling apparatus for steel pipes - Google Patents

Abstract

[0001] The present invention relates to a steel pipe joint joining apparatus for cutting a portion of a steel pipe interconnected by welding to form a fine joint, and more particularly, When cutting a part of the ends of the pair of steel pipes in a fine shape, the cutting cutter for forming the joint is moved in the forward and backward directions according to the outer shape of the steel pipe, and the cutter is moved in the left- To a steel pipe joint part machining device capable of forming a joint part by moving the steel pipe joint part in the lateral direction.

Description

Technical Field [0001] The present invention relates to a seam milling apparatus for steel pipes,

[0001] The present invention relates to a steel pipe joint joining apparatus for cutting a portion of a steel pipe interconnected by welding to form a fine joint, and more particularly, When cutting a part of the ends of the pair of steel pipes in a fine shape, the cutting cutter for forming the joint is moved in the forward and backward direction according to the outer shape of the steel pipe, and the cutter is moved in the left- The present invention relates to a steel pipe joint part machining device capable of forming a joint part by moving the steel pipe joint part in the lateral direction.

Generally, the manufacturing process of a large-diameter steel pipe having a large diameter includes an improvement angle process in which an improvement angle is machined on both end welds of the steel plate by introducing the steel plate, a bending process for bending the improved steel plate, An inner welding step of butt-welding the inner portion of each processed steel tube and a deep machining step (hereinafter referred to as a joint machining step) for seam-machining the outer portion of the steel pipe subjected to the improved angle machining. An outer welding process for welding the outer improvement angle machining portion of the jointed steel pipe, and a discharge process for discharging the finished steel pipe.

In the steel pipe manufacturing process, a process of machining a bent steel plate to prevent welding defects is a joining process. When the steel plate is bent and the inner portion is welded, a slug or bubble And the welded portion including the welded portion is welded again. If the welded portion is welded again, the welded portion becomes defective. As a result, serious defects are caused in the welded portion of the steel pipe due to bubbles, slag inclusion, To prevent this, a joint processing step is required.

In the joint part machining step, the steel pipe which is welded inside and moved by the conveyor is moved to the machining position by the crane, the moved steel pipe is rotated by the steel pipe rotating device, the joint part is cut by the joint part machining device, To thereby form a joint of the metal plate.

The following is a representative conventional technique for a steel pipe joint machining apparatus.

Korean Patent Registration No. 10-0426654 discloses a deep-seam milling apparatus for deep-milling an outer welded portion by burying an inner welded pipe when manufacturing a pipe. The deep-milling apparatus includes a plurality of conveying roller units for conveying workpieces; An up-rolling unit installed between the transfer roller units to rotate and center the loaded workpiece to a machining position; A plurality of clamping units installed at the upper ends of the main supports installed at one side of the conveying roller unit to clamp the centered workpieces; A stopper portion provided between the transporting roller portion and the transporting roller portion for clamping and supporting a front end portion of the centered workpiece and a stopper portion slid along a bed installed at another side of the transporting roller portion so as to be symmetrical with respect to the main support portion about the transporting roller portion A mobile unit; A spindle unit that moves by the moving unit and processes a workpiece; A first and a second touch roll unit installed on one side of the moving unit so as to be positioned on both sides of the spindle unit, A chip conveyor unit installed at the lower portion of the feeding roller unit and the chip to transfer chips generated by the processing of the workpiece to the chip box; And a tool changer installed between the feed roller unit and the feed roller unit so as to be parallel to the roller unit to change a tool of the spindle unit.

Further, in the above-mentioned prior art, the workpiece is clamped by a plurality of clamping units and a stopper portion during deep drilling of a pipe, thereby eliminating the noise and vibration of the workpiece generated at the time of processing, improving the quality of the work, However, since most of the cut and rotating pipes (hereinafter, referred to as 'steel pipes') do not have a vertical cross-section in a full-circle state, there is a problem that the depth and width of the joints formed in a fine shape are irregular And it is required to continuously research and develop to solve this problem.

Korean Registered Patent No. 10-0426654 (Mar. 30, 2004) Korean Registered Patent No. 10-0953414 (Apr. 9, 2010) Korean Registered Patent No. 10-1359426 (Apr. 29, 2014) Korean Registered Patent No. 10-1288430 (July 17, 2013)

The present invention has been made in order to solve the problems of the prior art of the steel pipe joint part processing apparatus. In the conventional steel pipe joint part processing apparatus, since the cutting cutter for forming the joint part is fixed in position, There is a problem that the depth of the joint becomes irregular unless a portion is cut and the rotating steel pipe is machined into a round shape;

In addition, when the joint is formed and the rotating steel pipe is moved in the left and right direction while rotating without rotating only in place, there arises a problem that the width of the joint becomes irregular;

Particularly, even if the cutting cutter is configured to be movable in the front-rear direction or the left-right direction, there is a problem that the operator has to manually adjust the position of the cutting cutter at any time during the joint forming process, .

The present invention has been made to solve the above-

A steel pipe joint machining apparatus for forming a joint portion in a steel pipe rotated by a steel pipe rotating device, characterized in that the cutting cutter is moved in the forward and backward direction and the left and right direction with reference to the joint portion of a steel pipe formed on a part of the outer periphery of the steel pipe end, A steel pipe joint part forming device for forming a joint part of a steel pipe of the steel pipe joint part;

A main body formed by fastening a plurality of frames; A front-rear sliding module coupled to the main body so as to be movable in the front-rear direction; A left and right sliding module coupled to the front and rear sliding modules so as to be movable in a lateral direction; A milling module having a cutting cutter for cutting a part of an outer circumference of a steel pipe end fastened to the left and right sliding modules and an outer circumferential surface sensor sensing an interval between an outer circumferential surface of the steel pipe and the cutting cutter; And a tracer module fastened to the left and right sliding modules, the tracker module being linearly positioned in the forward and backward directions with respect to the cutting cutter and being inserted into the steel pipe joint part of the fine shape. do.

The steel pipe joint machining apparatus according to the present invention as described above can move the cutting cutter forming the joint portion of the steel pipe in the forward and backward direction with respect to the outer circumferential surface of the steel pipe, And the depth of the joint portion can be formed uniformly;

Further, since the cutting cutter is movable in the lateral direction corresponding to the longitudinal direction of the steel pipe, the joint portion is formed, and even if the rotating steel pipe is moved in the lateral direction, the movement of the steel pipe in the lateral direction is tracked, You can get the effect;

Particularly, in the case where the outer circumferential surface sensor and the tracker module are provided, the cutting cutter automatically tracks the portion where the joining portion is to be formed according to the movement of the steel pipe, and the joining portion can be formed.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a state in which a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention is used. Fig.
2 is a perspective view showing a state in which a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention is in close contact with a steel pipe;
3 is a perspective view showing a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention.
4 is a side view showing an operation state of a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention.
5 is a partial detail side view showing an operation state of a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention.
6 is a plan view showing a steel pipe joint portion processing apparatus according to a preferred embodiment of the present invention.
7 is a front view showing a steel pipe joint part processing apparatus according to a preferred embodiment of the present invention.
8 is a perspective view showing a case where a tracker of a steel pipe joint machining apparatus according to a preferred embodiment of the present invention is located below a steel pipe.
FIG. 9 is a use state diagram showing a case where a control terminal is provided in a steel pipe joint machining apparatus according to a preferred embodiment of the present invention. FIG.

The present invention relates to a steel pipe joining part (110) steelmaking device for cutting a part of a distal end of a steel pipe (100) interconnected by welding to form a fine joining part (110) (110) of a steel pipe (100) formed on a part of the outer periphery of a distal end of the steel pipe (100), the joining part (110) To form a joint portion (110) of a cut steel pipe (100) by moving the cutting cutter (10) in the forward and backward directions and the left and right direction.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 9 showing embodiments of the present invention.

First, the steel pipe 100 processed by the steel pipe joint portion processing apparatus according to the present invention is made of a metal material, and is connected to each other by welding at the time of construction, and is used for the purpose of flowing a fluid into the inside thereof or for holding a structure May be applicable.

That is, the steel pipe 100 processed by the joining part 110 according to the present invention may be generally known as a large diameter steel pipe 100, and the joining part 110 may be formed at a distal end of the steel pipe 100 A portion of the outer periphery is cut and formed into a fine shape.

In addition, the joint 110 is formed in such a manner that a "V" shape, a "U" shape, or a lower shape is formed in a form having a middle curvature of the "V" The right side of the joint part 110 is formed at a distal end of the right side steel pipe 100 and a single joint part 110 is formed at the end of the left side steel pipe 100 of the interconnected steel pipe 100.

V "type," U "or lower portion is preferably the" V "type or the" U "type type. In this case, And the ends of the pair of steel pipes 100, which are connected to each other so as to be uniformly formed in a shape having a middle degree of curvature of the "U" shape, can be machined.

In addition, welded parts are welded to the joint part 110 so that a pair of neighboring steel pipes 100 can be firmly connected, and a well-known technique can be applied to the concrete description of welding of the joint part 110.

In the following description of the present invention, a case where the ends of a pair of steel pipes 100 connected to each other are connected to each other to be in contact with each other is described as a preferred embodiment, If a more detailed explanation is needed, I will explain it in detail.

In the following description, the term " front-rear direction " referred to in the detailed description of the present invention refers to a direction perpendicular to the longitudinal direction of the steel pipe 100 having a constant length and being in contact with each other, Is parallel to the longitudinal direction of the steel pipe (100).

Specifically, a steel pipe joint machining apparatus according to the present invention is a steel pipe joint machining apparatus for forming a joint portion 110 in a steel pipe 100 rotated by a steel pipe rotating device 200, The cutting cutter 10 is moved in the forward and backward direction and in the left and right direction with reference to the joint 110 of the steel pipe 100 formed on a part of the outer periphery of the steel pipe 100 to form the joint 110 of the cut steel pipe 100 .

First, the steel pipe 100 to be processed by the joint part 110 by the steel pipe joint part processing apparatus according to the present invention is mounted on the steel pipe rotating device 200 in a state where the longitudinal direction is parallel to the ground surface, And rotates about the longitudinal center axis of the steel pipe 100 in place.

At this time, the steel pipe rotating device 200 can be a product to which a known technique is applied.

The steel pipe joint part machining apparatus according to the present invention includes a cutting cutter 10 disposed on a side of the steel pipe rotating device 200 and provided at a contact portion of a pair of steel pipes 100 rotated by the steel pipe rotating device 200, .

That is, the steel pipe 100 having a general circular cross-section is manufactured so that the vertical cross-section with respect to the longitudinal direction of the steel pipe 100 can be formed as a circular shape as much as possible. However, A portion thereof is projected or collapsed into an inward shape.

The crushed steel pipe 100 is rotated about the longitudinal center axis of the steel pipe 100 by the steel pipe rotating device 200. At this time, the cutting cutter 10, which is included in the steel pipe joint machining device, The joint part 110 is formed deeper in a part of the steel pipe 100 protruding from the steel pipe 100 in the case of a full circle, On the contrary, a problem arises that the joint part 110 is formed shallower in a part of the steel pipe 100 which is inserted into the steel pipe 100 than the steel pipe 100 when it is the round shape.

The crushed steel pipe 100 is rotated by the steel pipe rotating device 200 and the difference in the inclination of the outer circumferential surface of the steel pipe 100 caused by the crushed portion of the steel pipe 100, The cutting portion of the cutting cutter 10 is moved away from the portion to be formed with the joint portion 110 or the joint portion 110 is not moved in the longitudinal direction of the steel pipe 100 110 are formed to be excessively wide.

In contrast, according to the present invention, in the steel pipe joint apparatus 110, the cutting cutter 10 is positioned at the abutting portion of a pair of steel pipes 100 rotated by the steel pipe rotating apparatus 200, When the outer circumferential surface of the steel pipe 100 collapses and the outer circumferential surface of the steel pipe 100 does not coincide with the end circle and when the steel pipe 100 rotates while moving in the left and right direction, And the joint portion 110 can be formed on the steel pipe 100. In addition,

The steel pipe joint machining apparatus according to the present invention moves the cutting cutter 10 in the forward and backward direction and the left and right direction with respect to the joint portion 110 of the steel pipe 100 as described above, The steel pipe joint machining apparatus may further include a main body 20 formed by fastening a plurality of frames; A front and rear sliding module (30) movably coupled to the main body (20) so as to be movable in forward and backward directions; A left and right sliding module 40 which is coupled to the front and rear sliding module 30 so as to be movable in the left and right direction; And a cutting cutter 10 which is fastened to the left and right sliding modules 40 and cuts a part of the outer periphery of the end of the steel pipe 100. The gap A between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 is A milling module (50) having an outer circumferential surface detecting sensor And a tracing roller 61 fastened to the left and right sliding modules 40 and positioned in a straight line in the forward and backward directions with respect to the cutting cutter 10 and inserted into a fine pipe section 100 And a tracker module (60).

Specifically, the steel pipe joint machining apparatus may be constructed to include a main body 20, a front-rear sliding module 30, a left and right sliding module 40, a milling module 50, and a tracker module 60 macroscopically .

Although not shown in the above, the steel pipe joint machining apparatus according to the present invention includes a control module 70 for controlling the electrical components included in the present invention, The electrical components according to the present invention can be operated and controlled, and a detailed description thereof can be applied to a known technology.

3, the main body 20 is formed by fastening between a plurality of frames (including a panel-shaped frame such as a steel plate) as shown in FIG. 3, and the entire outer shape And structures may be configured in various forms according to the judgment of a person skilled in the art.

In addition, the main body 20 can be configured to be seated, fixed, or movable on the ground, and the upper portion is formed in a plate shape having a predetermined area, so that the front and rear sliding modules 30 can be moved As shown in FIG.

In connection with the above, the steel pipe joint welding apparatus according to the present invention may maintain a fixed state at any part of the work site, depending on whether the main body 20 is seated, fixed, or movable with respect to the ground, It can be used and moved to various parts of the work site as required.

The front and rear sliding modules 30 are coupled to the main body 20 so as to be movable in forward and backward directions, and provide a moving force for moving the cutting cutter 10 in the forward and backward directions.

That is, the front and rear sliding module 30 can be moved in the front and rear direction in the main body 20, which is fastened to the main body 20 by a connecting member such as a rail and fixed to the ground, The front and rear sliding modules 30 are coupled to the main body 20 so as to be movable in forward and backward directions; And a driving member 32 provided on the front and rear sliding bodies 31 to provide a driving force for moving the front and rear sliding bodies 31 in the forward and backward directions.

The front and rear sliding bodies 31 constitute a structure of the front and rear sliding modules 30 and are coupled to the main body 20 by connecting members such as rails to move the front and rear sliding modules 30 in the forward and backward directions Provide mobility.

The driving member 32 is configured to provide the moving force of the front and rear sliding bodies 31 with respect to the main body 20 and includes a driving motor 32a and a speed reducer 32b connected to the driving motor 32a And a driving screw (not shown) that receives the driving force of the driving body and moves the front and rear sliding bodies 31 in the forward and backward directions.

That is, the driving motor 32a of the driving member 32 is connected to the control module 70 to receive control of the driving direction, the driving direction and the driving speed, and the speed reducer 32b connected to the driving motor 32a is driven The drive screw connected to the speed reducer 32b is coupled to the main body 20 such that a certain portion of the drive screw is rotatable about the main body 20 and the front and rear sliding bodies 31 Is fixed to the driving screw in a state in which a thread groove corresponding to a thread formed on the outer periphery of the driving screw is formed so that the front and rear sliding bodies 31 ).

Further, the left and right sliding modules 40 are fastened to the front and rear sliding modules 30 so as to be movable in the left and right directions, and provide a moving force for moving the cutting cutter 10 in the left and right directions.

That is, the left and right sliding modules 40 are fastened to the front and rear sliding modules 30 (preferably, the front and rear sliding bodies 31) by connecting members such as rails and moved in the left and right directions on the front and rear sliding modules 30 Preferably, the left and right sliding modules 40 include left and right sliding bodies 41 fastened to the front and rear sliding bodies 31 so as to be movable in the left and right directions; And a driving member (42) provided on the left and right sliding bodies (41) for providing a driving force for moving the left and right sliding bodies (41) in the forward and backward directions.

The left and right sliding bodies 41 serve as a structure of the left and right sliding modules 40. The left and right sliding bodies 41 are coupled to the front and rear sliding bodies 31 by connecting members such as rails, Directional mobility.

The driving member 42 is configured to provide the moving force of the left and right sliding bodies 41 with respect to the front and rear sliding bodies 31. The driving member 42 includes a driving motor 42a and a speed reducer 42b connected to the driving motor 42a. And a driving screw 42c that receives the driving force of the driving body to move the left and right sliding bodies 41 in the left and right directions.

That is, the driving motor 42a of the driving member 42 is connected to the control module 70 to be controlled on the driving direction, the driving direction and the driving speed, and the speed reducer 42b connected to the driving motor 42a is driven The driving screw 42c connected to the speed reducer 42b forms a length in the left-right direction of the left and right sliding bodies 41, The left and right sliding bodies 41 are fastened to be rotatable with respect to the sliding body 31. The lower portion of the left and right sliding bodies 41 is formed with a thread groove corresponding to a thread formed on the outer periphery of the driving screw 42c And the left and right sliding bodies 41 are moved in the left and right direction by the rotation of the driving screw 42c.

The front and rear sliding modules 30 and the left and right sliding modules 40 are changed in the order of their mutual engagement so that the left and right sliding modules 40 are fastened to the main body 20 and the front and rear sliding modules 30, And the left and right sliding modules 40 may be fastened together.

The milling module 50 is fastened to the left and right sliding modules 40 and is fastened to the front and rear sliding modules 30 when the fastening order of the front and rear sliding modules 30 and the left and right sliding modules 40 is changed And an outer circumferential surface detecting sensor 51 for sensing an interval A between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 and a cutting cutter 10 for cutting a part of the outer circumference of the steel pipe 100 And a joint 110 is formed on the steel pipe 100 by maintaining the cutting cutter 10 at a predetermined depth by sensing the distortion of the steel pipe 100 to be machined.

That is, the milling module 50 is movable in the forward and backward directions by the forward and backward movement of the left and right sliding modules 40 (back and forth movement by the front and rear sliding modules 30) while being fixed to the left and right sliding modules 40 The left and right sliding modules 40 can be moved in the left and right directions.

At this time, the main purpose of the milling module 50 is to form the joint 110 in the steel pipe 100 through the cutting cutter 10 provided in the milling module 50 and to improve the degree of distortion of the steel pipe 100 The interval A between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 which can be varied depending on the circumference of the cutting cutter 10 is continuously sensed so that the depth of the joint 110 formed by the cutting cutter 10 is constantly formed do.

Specifically, as described above, a general steel pipe 100 having a circular vertical cross-section is manufactured in a state in which a part of the steel pipe 100 is projected or inserted in a circular arc of a virtual vertical section, even if the vertical cross- do.

The outer peripheral surface detecting sensor 51 provided in the milling module 50 continuously senses the distance A between the outer circumferential surface of the steel pipe 100 rotated by the steel pipe rotating device 200 and the cutting cutter 10, And the gap A between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 is narrower than the case where the steel pipe 100 is a full circle (in the case where the outer circumferential surface of the steel pipe 100 protrudes beyond the full circle) Rear sliding module 30 to the opposite side of the steel pipe 100 so as to continuously maintain the interval A between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 in the case of a full circle under the control of the control module 70 And provides a sensing signal to reverse.

The outer circumferential surface detection sensor 51 is configured such that the distance A between the outer circumferential surface of the steel pipe 100 sensed by the outer circumferential surface sensor 51 and the cutting cutter 10 is wider than when the steel pipe 100 is full- (A) between the outer circumferential surface of the steel pipe 100 and the cutting cutter 10 in the case of a full circle is controlled continuously by the control of the control module 70 in the case where the outer circumferential surface of the steel pipe 100 is the inner circumferential surface of the steel pipe 100 The front and rear sliding modules 30 are advanced to the steel pipe 100 so that the front and rear sliding modules 30 can be maintained.

The cutting cutter 10 is formed in a disk shape and cuts the outer circumferential surface of the steel pipe 100 in which the joint part 110 is to be formed by the driving member 55 included in the milling module 50, (110) is formed on the outer circumference of the steel pipe (100) in a direction perpendicular to the longitudinal direction of the steel pipe (100).

The joint 110 may be formed at a time with a predetermined depth and width as a cutting force of the cutting cutter 10 applied during one rotation of the steel pipe 100. The steel pipe 100 may be rotated several times And the cutting cutter 10 is designed to have a depth and width of the final joint 110 through the process of forming the joint 110 a plurality of times with a depth and width less than the depth and width of the desired joint 110 .

The outer circumferential surface detecting sensor 51 can be of various types as long as it can continuously detect the distance A between the outer circumferential surface of the steel pipe 100 and the outer circumferential edge of the cutting cutter 10, A sensor or an optical sensor such as a laser sensor may be used.

The milling module 50 may be configured in various forms as long as it includes the outer circumferential surface sensor 51 and the cutting cutter 10. The milling module 50 preferably includes the left and right sliding bodies 41, A milling head body (52) fixedly fastened to the body (52); A cutting cutter 10 provided in front of the milling head body 52 and rotated by receiving a driving force from a driving member 55 provided to the milling head body 52; An outer circumferential surface detecting sensor 51 provided in front of the milling head body 52 and sensing the distance A between the outer circumferences of the cutting cutter 10 with respect to the outer circumferential surface of the steel pipe 100 to which the joint 110 is to be machined, ; ≪ / RTI >

That is, the milling head body 52 serves as a structure of the milling module 50. The milling head body 52 is fixed to the left and right sliding bodies 41 with the lower or side portions thereof fixed to the milling module 50, 10, the outer circumferential surface detecting sensor 51 and the driving member 55 are supported by the left and right sliding bodies 41, respectively.

In addition, the cutting cutter 10 is provided in front of the milling head body 52 and rotates by receiving a driving force from a driving member 55 provided to the milling head body 52. The driving member 55 55 and receives the driving force and cuts the steel pipe 100 by rotating.

At this time, it is preferable that the cutting cutter 10 is provided in front of the milling head body 52 so that the milling head body 52 moving in the front-back direction and the left-right direction and the steel pipe 100 without movement are prevented from interfering with each other Do.

The driving member 55 provided in the milling module 50 is configured to provide driving force for rotating the cutting cutter 10 and includes a general driving motor 55a, a speed reducer 55b connected to the driving motor 55a , And if necessary, one or more connecting shafts, joints, or gears may be further provided between the speed reducer 55b and the cutting cutter 10.

The circumferential surface detecting sensor 51 is provided at the front of the milling head body 52 and detects the distance A between the outer circumferences of the cutting cutter 10 with respect to the outer circumferential surface of the steel pipe 100, The detailed description will be replaced with the above description. However, it is preferable that the outer circumferential surface detecting sensor 51 is provided in front of the milling head body 52 so as not to interfere with the milling head body 52 moving in the forward and backward directions and the left and right direction and the steel pipe 100 without movement. Do.

The tracker module 60 is fastened to the left and right sliding modules 40 and is positioned in a straight line in the front and back direction with respect to the cutting cutter 10 and is inserted into a hollowed steel pipe 100 joint part 110 The movement of the left and right sliding bodies 41 is controlled by detecting the lateral movement of the steel pipe 100 rotated and processed by the joint part 110. [

That is, the tracing roller 61 included in the tracker module 60 is configured such that when the joint portion 110 is formed for the first time by the cutting cutter 10 (when the joint portion 110 is rotated several times on the steel pipe 100) The joint portion 110 is formed in the shape of a hollow and the joint portion 110 is formed at the joint portion 110 of the joint portion 110. However, As shown in Fig.

At this time, in a state where the tracking roller 61 is inserted into the joint part 110, the steel pipe 100 rotated by the steel pipe rotating device 200 moves in the left and right direction corresponding to the longitudinal direction of the steel pipe 100, The cutting cutter 10 is deflected in the biased direction of the steel pipe 100 to form the joint part 110 with respect to the path of the formed joint part 110 .

The tracking roller 61 is provided in the tracker module 60 fixedly coupled to the left and right sliding bodies 41 and is continuously held in the path of the preformed joint 110, The left and right sliding bodies 41 to which the tracker module 60 is fastened are moved in the lateral direction according to the positional shift (leftward direction or rightward direction) of the joint 110 by the positional movement of the joint cutter 10, So that the joint 110 can be formed continuously in the path of the pre-formed joint 110.

The tracker module 60 including the tracking roller 61 may be configured in various forms according to the judgment of a person skilled in the art. Preferably, the tracker module 60 is provided in front of the left and right sliding bodies 41 A support frame 62 protruding from the support frame 62; And a tracker 63 fastened to the support frame 62 and having a tracking roller 61 that can be rotated.

5, the support frame 62 protrudes forwardly of the left and right sliding bodies 41 to guide the tracking roller 61 toward the front of the left and right sliding bodies 41, So that the tracking roller 61 can be prevented from interfering with the cutting cutter 10 and the left and right sliding bodies 41 by allowing the cutting roller 10 to be located closer to the steel pipe 100 than the cutting cutter 10.

At this time, the support frame 62 may be positioned above or below the cutting cutter 10 in accordance with the rotation direction of the steel pipe 100 with respect to the cutting cutter 10. More specifically, The supporting frame 62 is positioned below the cutting cutter 10 so that the tracing roller 61 provided on the supporting frame 62 is rotated in the counterclockwise direction May be inserted into the joint part 110 at a certain point of the steel pipe 100 before the cutting cutter 10.

This is because the tracing roller 61 detects the movement of the joint part 110 according to the lateral movement of the steel pipe 100 by inserting into the joint part 110 before the cutting cutter 10 And to change the position of the cutting cutter 10 in accordance with the positional change of the joint portion 110 by the tracking roller 61.

The tracker 63 has a structure in which a certain portion is fastened to the support frame 62 and has a rotatable tracking roller 61. The tracker 63 supports the tracking roller 61 on the support frame 62, And the roller 61 is continuously embedded in the joint portion 110 having a fine shape.

That is, the tracing roller 61 provided in the tracker 63 is inserted into the preformed joint 110 that varies according to the positional variation of the steel pipe 100 that can move in the left and right direction, The tracker 63 is constructed so that the tracking roller 61 having the above structure is continuously pressed toward the steel pipe 100 to prevent the tracking roller 61 from being separated from the joint 110 to be.

A configuration for the configuration of the tracker 63 and the movement of the left and right sliding bodies 41 in the lateral direction according to the lateral movement of the follower roller 61 (same as the concept of the lateral movement of the cutting cutter 10) The tracker 63 may include a guide frame 63a coupled to the support frame 62 so as to be rotatable to form a predetermined range of the intermediate portion thereof. A tracking roller support shaft 63b fastened to the upper portion of the guide frame 63a so as to be movable in the left and right direction and having a limit line 63c projecting in the direction perpendicular to the longitudinal direction on the outer periphery or in the form of a fine line; A tracking roller 61 that is coupled to one side of the tracking roller support shaft 63b so as to be rotatable; And a limit line detection sensor 63d provided in the guide frame 63a for sensing the position of the limit line 63c and sensing the movement of the follower roller 61 in the left and right direction .

That is, the tracker 63 having the above-described structure includes a guide frame 63a, a tracking roller support shaft 63b, a tracking roller 61, and a limit line detection sensor 63d macroscopically.

Specifically, the guide frame 63a is configured to be rotatable so as to form a certain range of the intermediate portion on the support frame 62. The guide frame 63a is rotatable within a predetermined angle range with respect to a certain portion of the support frame 62 .

5 and 8, the guide frame 63a is fastened to a predetermined portion of the front of the support frame 62 so that a predetermined portion of the intermediate frame is rotatably supported by the follower roller supporting shaft 63b corresponds to the depth of the joint 110 of the steel pipe 100 or the change in the vertical position of the joint 110 due to the crush of the steel pipe 100, So that it is possible to maintain the state in which it is inserted into the joint portion 110. [

More specifically, as shown in FIGS. 5 and 8, when the tracing roller 61 is positioned below the cutting cutter 10, as the steel pipe 100 is formed at a deeper and deeper depth than the cutting cutter 10, The tracing roller 61 inserted in the trailing edge 110 is vertically upwardly inserted into the joint 110. When the joint 110 is further protruded or inward from the origin due to the distortion of the steel pipe 100, The roller 61 is repeatedly moved up and down in the vertical direction and inserted into the joint 110. The guide frame 63a is rotated in a predetermined angle range with respect to the support frame 62, The follower rollers 61 can continuously keep the positions of the follower rollers 61 so that the follower roller 61 can keep the state in which the follower roller 61 is continuously inserted into the joints 110. [

The tracking roller support shaft 63b is fastened to the upper portion of the guide frame 63a so as to be movable in the left and right direction and is formed with a limit line 63c protruding in the direction perpendicular to the longitudinal direction , And the tracking roller (61) is configured to be rotatable on one side of the tracking roller support shaft (63b).

That is, the tracking roller support shaft 63b is configured to allow the tracking roller 61, which is coupled to one side of the tracking roller support shaft 63b so as to be rotatable, to move in the left and right direction, Which is generated when the steel pipe 100 is rotated by the steel pipe rotating device 200 and the tracing roller 61 is moved in the left and right direction on the guide frame 63a So that it can be moved.

At this time, the support frame 62 may be provided with a through hole for allowing the tracing roller support shaft 63b to move in the left-right direction.

The limit line 63c formed on the outer periphery of the follower roller support shaft 63b continuously senses the lateral movement of the follower roller support shaft 63b by the limit line sensor 63d, , The tracking roller support shaft 63b is excessively moved in the left or right direction to sense whether the sensing point of the limit line detection sensor 63d exceeds the limit line 63c, And may protrude or inwardly protrude from the outer periphery of the tracking roller support shaft 63b in a direction perpendicular to the longitudinal direction of the tracking roller support shaft 63b. At this time, the limit line 63c configured to detect a difference in color by the limit line detecting sensor 63d may be configured to have a color different from the color of the follower roller supporting shaft 63b without projecting or panning have.

The limit line detection sensor 63d is provided in the guide frame 63a and senses the movement of the tracking roller 61 in the left and right direction by sensing the position of the limit line 63c. The degree of lateral movement of the limit line 63c formed on the tracking roller support shaft 63b is continuously sensed and the position information of the tracking roller 61 in accordance with the lateral movement of the tracking roller 61 To the control module 70 so that the left and right sliding bodies 41 can be moved in the left-right direction and the moving degree can be adjusted.

That is, when the tracking roller 61 is moved to the left by the leftward movement of the steel pipe 100, and as a result, the tracking roller support shaft 63b to which the tracking roller 61 is connected moves in the leftward direction, The limit line 63c formed on the support shaft 63b also moves in the left direction. The limit line detection sensor 63d senses the movement of the limit line 63c in the left direction and transmits the left movement position information of the tracking roller 61 to the control module 70. The control module 70 The left and right slide bodies 41 are moved in the left direction by operating the drive motors 42a included in the left and right sliding modules 40 so that the cutting cutters 10 of the milling module 50 fastened to the left and right slide bodies 41, So that the joining portion 110 can be continuously cut along the previously formed joining portion 110.

When the steel pipe 100 moves to the right, the limit line detection sensor 63d generates information on the movement direction of the rightward movement of the tracking roller 61 and transmits it to the control module 70, So that the cutting cutter 10 of the milling module 50 fastened to the joining portion 50 is moved to the right to continuously cut the joining portion 110 along the previously formed joining portion 110.

In addition, a weight 63e may be provided under the guide frame 63a. In other words, the weight 63e is formed such that the tracking roller 61 provided at a portion corresponding to the upper portion of the guide frame 63a continuously rotates about the connecting portion between the guide frame 63a and the tracking roller support shaft 63b The weight of the upper portion of the guide frame 63a positioned on the upper portion of the connection portion between the guide frame 63a and the tracking roller support shaft 63b and the tracking roller 61 The weight of the lower portion of the guide frame 63a and the weight of the weight 63e located at the lower portion of the connecting portion between the guide frame 63a and the tracking roller support shaft 63b is greater than the combined weight .

That is, the weight 63e is continuously positioned below the vertical portion of the connecting portion between the guide frame 63a and the tracking roller support shaft 63b due to gravity, The roller 61 is continuously positioned vertically above the connecting portion between the guide frame 63a and the tracking roller support shaft 63b and therefore the steel pipe 100 in which the joint portion 110 is formed due to the crushing of the steel pipe 100 100 can be maintained in a state in which the tracking roller 61 is continuously inserted into the joint 110 even when the outer circumferential surface of the joint roller 100 protrudes or comes in contact with the end circle.

Further, the present invention can more precisely grasp the lateral movement of the tracking roller 61, and adjusts the movement of the tracking roller 61 in the left and right direction in preparation for a case in which the limit line detection sensor 63d becomes inoperable due to a failure And an auxiliary sensing sensor 63g capable of sensing the degree of the sensed signal.

That is, an extended frame 63f extending to be separated from the end of the tracking roller supporting shaft 63b is formed in a part of the guide frame 63a, and the extending frame 63f is provided with the tracking roller supporting shaft And an auxiliary sensing sensor 63g that senses an interval between the distal end of the first sensor 63b and the distal end of the second sensor 63b.

At this time, the elongated frame 63f is formed to have a length in a direction corresponding to a certain portion of the left or right side of the guide frame 63a, so that a certain portion of the elongate frame 63f is located further to the left or right than the left end or right end of the follower roller support shaft 63b .

In addition, a certain portion of the distal end of the elongated frame 63f may be bent so that the auxiliary sensor 63g may be positioned at a position corresponding to the end of the tracking roller support shaft 63b.

The auxiliary sensor 63g is of the same type as the optical sensor and is coupled to the elongated frame 63f in a state spaced apart from the distal end of the tracking roller support shaft 63b so as to be movable in the left- It is possible to control the movement of the left and right sliding bodies 41 in the lateral direction and the movement of the left and right sliding bodies 41 by sensing the distance between the ends of the auxiliary sensor 63g and the trailing roller support shaft 63b.

At this time, the limit line detection sensor 63d and the auxiliary detection sensor 63g may be operated collectively, and usually only one of the detection sensors operates, and when any one of the detection sensors malfunctions And the other detection sensor may be configured to automatically operate in place of any one of the detection sensors.

The position information (left-right direction position information) of the tracking roller 61 sensed by the limit line sensor 63d or the auxiliary sensing sensor 63g having the above-described configuration is used for the lateral movement of the left and right sliding bodies 41 And is transmitted to a steel pipe rotating device 200 that rotates a steel pipe 100 to be processed by the joint part 110 according to the present invention so that the steel pipe 100 which is seated on the steel pipe rotating device 200 and rotates May be used as a control signal for moving them in the left-right direction.

That is, the steel pipe rotating device 200 may be provided with a plurality of support modules that support and rotate the lower portion of the steel pipe 100. The support module may be installed in the steel pipe 100 under the control of the control module 70, The position information of the tracking roller 61 is transmitted to the control module 70 for controlling the steel pipe rotating device 200 and is transmitted to the control module 70 by the control module 70, (100) rising or falling control signal.

In this case, when the steel pipe rotating device 200 is configured to be able to control the lateral movement of the steel pipe 100 through the position information of the tracing roller 61 as described above, the steel pipe 100 rotated in the left- 100 can be adjusted to the original position by adjusting the height of the supporting part (supporting roller) of the steel pipe 100 included in the supporting module.

In addition, the control module 70 of the apparatus for processing pipe joints according to the present invention can be connected by remote communication with a control terminal 80 possessed by an operator, and an operator can control the steel pipe 100 through the control terminal 80, It is possible to confirm the degree of progress of the joint 110 of the joint part 110 and / or various information control states of the control module 70, and if necessary, the control signal is transmitted to the control module 70, May be manually controlled.

The steel pipe joint machining apparatus according to the present invention may be configured such that at least one image camera B is mounted and preferably the milling head 50 of the milling module 50 and the support of the tracker module 60 The frame 62 and the like may be equipped with a video camera B for photographing the steel pipe 100 to which the joint part 110 is to be machined.

In addition, the image camera B may be configured to transmit an image to be displayed on the display provided on the control module 70 and / or the display of the control terminal 80 carried by the operator so that the operator can view the image. have.

In connection with the above, the operator can confirm the state of the steel pipe joint portion processing process by moving a plurality of portions of the steel pipe joint portion processing apparatus according to the present invention, with the control terminal 80 of the remote communication having the above configuration, In the case where the steel pipe joint part machining process is not smooth, the operator may manually control the steel pipe joint part machining device by controlling the control module 70 by operating the control terminal 80 from time to time while observing the corresponding process part.

The steel pipe joint machining apparatus according to the present invention is also applicable to a steel pipe welding apparatus for welding a pair of steel pipes 100 whose ends are in contact with each other after welding of the steel pipe 100 is completed .

More specifically, when the steel pipe joint part machining device according to the present invention is used as a steel pipe welding device, the cutting cutter 10, that is, the milling module 50 included in the steel pipe joint part machining device according to the present invention, A welding module including a welding nozzle may be provided.

At this time, the welding apparatus includes other components except for the welding module, so that movement of the welding nozzle in the right-and-left direction as the steel pipe 100 seated in the steel pipe rotating apparatus 200 moves in the lateral direction and distortion of the steel pipe 100 The technical idea of the steel pipe joint machining apparatus relating to the forward and backward movement of the welding nozzle according to the present invention can be applied as it is.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It is possible to carry out various changes in the present invention.

10: cutting cutter 20: main body
30: front and rear sliding module 31: front and rear sliding body
32: driving member 32a: driving motor
32b: Reduction gear 40: Left and right sliding module
41: left and right sliding bodies 42: driving member
42a: drive motor 42b: speed reducer
42c: drive screw 50: milling module
51: outer peripheral surface detection sensor 52: milling head body
55: driving member 55a: driving motor
55b: Reduction gear 60: Tracker module
61: tracking roller 62: support frame
63: tracker 63a: guide frame
63b: Tracking roller support shaft 63c: Limit line
63d: Limit line detection sensor 63e:
63f: Extension frame 63g: Auxiliary sensor
70: control module 80: control terminal
100: steel pipe 110:
200: Steel pipe rotating device A: Spacing
B: Video camera

Claims (9)

A main body (20) formed by fastening a plurality of frames; A front and rear sliding module (30) movably coupled to the main body (20) so as to be movable in forward and backward directions; A left and right sliding module 40 which is coupled to the front and rear sliding module 30 so as to be movable in the left and right direction; And a cutting cutter 10 which is fastened to the left and right sliding modules 40 and cuts a part of the outer periphery of the end of the steel pipe 100. The gap A between the outer periphery of the steel pipe 100 and the cutter 10 A milling module (50) having an outer circumferential surface detecting sensor And a tracker module 60 having a tracing roller 61 fastened to the left and right sliding modules 40. The tracer module 60 includes a joint part 60 of a steel pipe 100 formed at a part of the outer periphery of the end of the steel pipe 100 The joining portion 110 of the cut steel pipe 100 is formed in the steel pipe 100 rotated by the steel pipe turning device 200 while moving the cutting cutter 10 in the forward and backward directions and the left and right direction Wherein the steel pipe joint part processing machine comprises:
The tracker module (60)
A support frame 62 protruding from the front of the left and right sliding bodies 41,
And a tracing roller 61 which is fastened to the support frame 62 and is rotatable by being inserted into the welded part 110 of the steel pipe 100 which is located on the straight line in the forward and backward directions with respect to the cutting cutter 10 And a tracer (63) for performing a welding process on the steel pipe joint.
delete The method according to claim 1,
The front and rear sliding modules (30)
A front and rear sliding body (31) fastened to the main body (20) so as to be movable in forward and backward directions;
And a driving member (32) provided on the front and rear sliding bodies (31) for providing a driving force for moving the front and rear sliding bodies (31) in the forward and backward directions.
The method of claim 3,
The left and right sliding modules (40)
Left and right sliding bodies (41) fastened to the front and rear sliding bodies (31) so as to be movable in the left and right directions;
And a driving member (42) provided on the left and right sliding bodies (41) for providing a driving force for moving the left and right sliding bodies (41) in the forward and backward directions.
5. The method of claim 4,
The milling module (50)
A milling head body (52) fixedly fastened to the left and right sliding bodies (41);
A cutting cutter 10 provided in front of the milling head body 52 and rotated by receiving a driving force from a driving member 55 provided to the milling head body 52;
An outer circumferential surface detecting sensor 51 provided in front of the milling head body 52 and sensing the distance A between the outer circumferences of the cutting cutter 10 with respect to the outer circumferential surface of the steel pipe 100 to which the joint 110 is to be machined, Wherein the pipe joint portion is formed of a steel pipe.
delete 6. The method of claim 5,
The tracker (63)
A guide frame (63a) fastened to the support frame (62) so as to be rotatable, forming an intermediate portion within a certain range;
A tracking roller support shaft 63b fastened to the upper portion of the guide frame 63a so as to be movable in the left and right direction and having a limit line 63c projecting in the direction perpendicular to the longitudinal direction on the outer periphery or in the form of a fine line;
A tracking roller 61 that is coupled to one side of the tracking roller support shaft 63b so as to be rotatable;
And a limit line detection sensor 63d provided in the guide frame 63a for sensing the position of the limit line 63c and detecting the movement of the follower roller 61 in the left and right direction. Steel pipe joint part machining device.
8. The method of claim 7,
The guide frame (63a)
And a weight member (63e) is provided at a lower portion thereof.
8. The method of claim 7,
In a part of the guide frame 63a,
An extension frame 63f extending to be spaced from the end of the tracking roller support shaft 63b is formed,
Wherein the extension frame (63f) is further provided with an auxiliary sensing sensor (63g) for sensing a distance from the end of the tracing roller support shaft (63b).

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