KR20110129057A - Steel tube fabrication apparatus and method for fabricating the same - Google Patents

Steel tube fabrication apparatus and method for fabricating the same Download PDF

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Publication number
KR20110129057A
KR20110129057A KR1020100048471A KR20100048471A KR20110129057A KR 20110129057 A KR20110129057 A KR 20110129057A KR 1020100048471 A KR1020100048471 A KR 1020100048471A KR 20100048471 A KR20100048471 A KR 20100048471A KR 20110129057 A KR20110129057 A KR 20110129057A
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KR
South Korea
Prior art keywords
steel pipe
rotated
support
pressing
casing
Prior art date
Application number
KR1020100048471A
Other languages
Korean (ko)
Inventor
박태업
Original Assignee
박태업
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박태업 filed Critical 박태업
Priority to KR1020100048471A priority Critical patent/KR20110129057A/en
Publication of KR20110129057A publication Critical patent/KR20110129057A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
    • B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/12—Tube expanders with rollers for expanding and flanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The present invention is capable of processing a steel pipe, the method and apparatus capable of processing the ring-shaped edge at the same time the workpiece is in rotational contact through the horizontal rotation,
In the steel pipe processing method in which the steel pipe (A) is pressurized as a pressing member, and the cylindrical steel pipe (A) is pressurized and gradually expanded until the end of the cylindrical pipe (A) ends up to form a ring-shaped edge of the vertical section, and the rotating support member is rotated in a horizontal state. In addition, the workpiece steel pipe (A) has a feature to maintain a predetermined rotational speed in contact with the outer circumferential surface in a horizontal state, to form a moving body 12 is moved forward and backward by screwing in the hollow casing (11), the handle ( 14 to allow the movable body 12 to move forwards and backwards as the handle 14 so that the movable body 12 is screwed into the screw bar 13 which is rotated as the handle bar 14, and the movable body 12 has an axial point A between the casing 11 and the casing 11. A pressurizing portion (1) which enables a predetermined angle to be rotated about an axis and forms a pressing roll (15) at the tip of the movable body (12); And a driving means 21 composed of a motor and a reducer, and a rotation supporting member 22 axially connected to the driving means 21, the rotating shaft 23 being made to pass through the central axis in a horizontal direction, and the outer circumferential surface of the steel pipe ( Steel pipe processing apparatus including a support portion 2 to rotate in contact with the outer peripheral surface of a) and to form the first and second support rolls 25 in the same rotational direction on both sides of the contact principal surface of the rotary support member 22. to be.

Description

STEEL TUBE FABRICATION APPARATUS AND METHOD FOR FABRICATING THE SAME}

The present invention relates to a steel pipe processing method and apparatus, and more particularly, to a steel pipe processing method and apparatus for forming a vertical edge by bending the ends of the steel pipe at a right angle.

Conventionally known steel pipe processing method, the steel pipe processing apparatus has been registered and filed by the applicant of the present applicant as shown in the accompanying drawings, as shown in Figure 1, the pointed pressing roll capable of multi-axis moving to the end of the cylindrical erected fixedly welded on the plate while rotating the steel pipe It is known to propose a method and apparatus which are processed by rotating a steel pipe while gradually pressing the end thereof.

The apparatus is horizontally positioned between the floor frame 101, the pillar frame 102, which is placed on both sides from the frame 101, and the pillar frame 102, and is movable horizontally. And a base 100 formed of an upper frame 103 for supporting the pillar frame 102 above the horizontal frame 104, and located on the bottom 101 of the base 100, and a driving motor 111. From the gearbox 112 and the couplings 113 and 114 to the vertical transmission in the switching box 115, and installs the transmission shaft 116 in the vertical direction. A lifting cylinder installed on both sides of the pillar frame 102 so that the rotating means 110 and the horizontal frame 104 can be moved up and down on the pillar frame 102 by installing the rotary table 117 at the upper end thereof. 120 and 122 and a moving box 134 which is pivotally hinged to the axial point a of the horizontal frame 104. In this moving box 134, the vertical movement of the upper and lower sides is installed, and the lower end of the rod is formed with a neck portion 136 bent in an L shape, and the neck portion 136 has a spherical main roll 132 formed therein. A main box 130, a moving box 154 pivotally hinged to the axis point b of the horizontal frame 104, and installed in the moving box 154 so as to be movable vertically and vertically; At the lower end of the rod, the auxiliary cylinder 150 having the auxiliary roll 152 installed therein, and the horizontal moving cylinder 140 installed at the horizontal frame to control the forward and backward linear movement of the main cylinder 130 and the auxiliary cylinder 150. 141) and the rear end is hinged to the horizontal frame 104 to rotate the auxiliary cylinder 130 and the auxiliary cylinder 150 before and after the axis points (a) and (b). , The front end of the bell mouse comprises a rotation cylinder (160, 162) hinged to the main cylinder 130 and the auxiliary cylinder 150, respectively It is factory value.

Therefore, the workpiece is welded on a flat plate, and the end is pressurized to form a right edge, and then welded on a rotating flat plate to process the other end. In this way, the processing device remains welded to the workpiece. There was a disadvantage in that this must be finished by hand, in particular, as shown in Figure 1 requires a large multi-axis positioning equipment for moving the processing facilities to adjust the pressing roll in various directions to the medium-sized steel pipe is unnecessary Since it has to be processed in a large-scaled facility, there are uneconomical problems such as installation location, maintenance, and operating costs.

The present invention has been made in view of the problems of the conventionally large-sized steel pipe processing apparatus, and the object thereof is to miniaturize a processing apparatus for bending a large, medium and small steel pipe end at right angles. It is a main object to provide a method and apparatus which can be machined while laying and rotating horizontally to produce a steel pipe.

The present invention also provides a steel pipe processing apparatus that has improved the pressurization equipment that can be pressurized by the operator at the right angle bending edge according to the end feed of the horizontally installed steel pipe while achieving this object.

The present invention also aims to provide a processing apparatus capable of supporting the above-described steel pipe in horizontal rotation while achieving the above object.

Steel pipe processing method of the present invention for achieving the above objects,

In the steel pipe processing method in which the steel pipe (A) is pressurized by the pressing member and the cylindrical steel pipe (A) is pressurized and gradually expanded until the end of the cylindrical steel pipe (A) forms a ring-shaped edge of the vertical section, and the rotating support member is rotated in a horizontal state. In addition, the workpiece steel pipe (A) has a feature to maintain a predetermined rotational speed in contact with the outer peripheral surface in a horizontal state.

Steel pipe processing apparatus of the present invention for achieving the above objects,

A screw bar pivoted as a handle at the rear end of the hollow casing is arranged, and the movable body is moved forward and backward by screwing on the screw bar, and the movable body is rotatable at a predetermined angle around the casing and the axial point, and pressed at the front end of the movable body. A press part which forms a roll; It is achieved as a steel pipe processing apparatus including a drive means composed of a motor and a reducer, a rotation support member axially connected to the drive means, and a support portion formed of idle rolls positioned at both sides of the rotation support member.

Steel pipe processing apparatus of the present invention for achieving the above objects,

At the rear end of the hollow casing, a screw bar pivoted inside as a first handle is laid inside, and the screw bar is screwed into the screw bar to form a movable body which is moved forward and backward. The movable body enables to rotate a predetermined angle around the casing and the axial point. Pressing part which forms a pressing roll in the front end; And a hollow casing having a square pillar, a second screw bar rotated as a second handle, a movable body which is lifted up and down by a second screw bar in the casing, and an idle frame which is idling horizontally in the movable body and supports the other side of the steel pipe. And, the lower part of the casing, the support frame (foot) on both sides, the transfer frame forming the ball nut, the slide bar supporting the transfer frame, the third screw bar, and the third handle for driving the third screw bar It is achieved as a steel pipe processing apparatus comprising an idle idle support.

Steel pipe processing apparatus of the present invention for achieving the above objects,

A straight arm is formed integrally with the hollow casing of the square pillar, the second screw bar rotated as the second handle, the movable body which is moved up and down by the second screw bar in the casing, and the movable body of the idle support. A second rotation supporting member and a lower portion of the casing at a lower end of the casing, and a support angle and a ball nut formed at both sides of the casing; a slide bar supporting the transport frame; a third screw bar; and a third screw bar. It is characterized by an idling support consisting of three handles.

The steel pipe processing apparatus of the present invention provides a steel pipe processing apparatus capable of processing not only medium and small steel pipes but also large steel pipes in a horizontal support state, thereby providing an effect of greatly reducing a conventional large-sized processing facility.

The present invention has the effect of providing a pressurizing means capable of horizontally supporting the steel pipe to be processed in the steel pipe processing apparatus and also allowing the worker to work while arbitrarily adjusting the pressing force during manual operation.

The present invention has an effect of providing a stable steel pipe processing apparatus in the horizontal support of the steel pipe processing apparatus, while pressing one end of the cylindrical steel pipe with a pressing roll and simultaneously idling the other side by idling.

In addition, the present invention has the effect of providing a more stable steel pipe processing apparatus by enabling the support of the upper side in the horizontal support of the steel pipe processing apparatus.

In the present invention, in supporting the steel pipe horizontally in the steel pipe processing apparatus, the steel pipe is rotated, and both sides of the outer circumferential surface thereof are supported by auxiliary rolls to provide a steel pipe processing apparatus for providing a steel pipe processing apparatus in which stable horizontal rotation is achieved.

1 is a view showing an example of a conventional steel pipe processing apparatus,
Figure 2a is a pre-processing state of the steel pipe (a), Figure 2b shows a state of processing the ring-shaped edge (b) by processing both edges of the steel pipe (a) through the steel pipe processing method and apparatus of the present invention,
3 is a main portion excerpt drawing for explaining the present invention steel pipe processing method,
Figure 4a, 4b is an operation explanatory diagram specifically illustrating the steel pipe processing method of the present invention,
Figure 5a, 5b is an overall perspective view of the steel pipe processing apparatus of the present invention,
6A, 6B and 6C are schematic cross-sectional views illustrating the pressing action of the steel pipe processing apparatus of the present invention.

In the accompanying drawings, Figure 2a is an initial state of the steel pipe (a), Figure 2b shows a state in which the both edges of the steel pipe (a) is processed by processing the ring-shaped edge (b) through the steel pipe processing method and apparatus of the present invention, Figure 3 is an essential part excerpt drawing for explaining the steel pipe processing method of the present invention, Figure 4a, 4b is an explanatory view for explaining the steel pipe processing method of the present invention specifically.

As shown in the drawings, the steel pipe processing method and apparatus of the present invention press the steel pipe (a) by pressing the pressing roll 15, that is, the pressing member of the pressing portion 1, that is, the cylindrical steel pipe (a) end is vertical Steel pipe processing method to pressurize and bend while gradually expanding to form a ring-shaped edge (b) of the cross-section, the rotating support member 22 is rotated in a horizontal state, and the steel pipe (a) as the workpiece is the outer peripheral surface in a horizontal state It is to maintain a predetermined rotational speed by contact.

That is, the rotation support member 22 is horizontally connected with the rotation shaft 23 from the driving means 21 to be described later so that the rotation direction forms a rotational peripheral surface from above to below, and according to the rotation direction 2 Position the support rolls 25 so that they can be rotated idly, and then the steel pipe is placed and brought into contact with the rotation support member 22 to maintain the rotation state, and the edge of the steel pipe being rotated as described above. The pressing roll 15 is pressed to form a ring-shaped edge portion (b).

At this time, the other side that is not pressurized of the rotating steel pipe (a) is preferably supported as a support 35 that can be idle in the steel pipe (a).

The support 35 is composed of a disc portion 35b and a cylindrical portion 35a having a small diameter installed in the center portion, such as a ratio to be described later, and the cylindrical portion 35a is inserted into the inside of the steel pipe (a) so that the steel pipe ( A) It is idle-rotated as the bearing 35c, supporting rotation below the inner peripheral surface.

That is, one end of the cylindrical steel pipe (A) presses the steel pipe (A) that the pressing roll 15 is rotating, and at the same time to the other side of the steel pipe (A), the above-described support 35 is the inner peripheral surface of the steel pipe (A) lower downward By idling idling is balanced in the pressurized state is the ring-shaped edge (b) is to be processed.

5A and 5B of the accompanying drawings are full perspective views of the steel pipe processing apparatus of the present invention.

The steel pipe temporary factory of the present invention according to the drawings consists of a pressurizing part 1, a support part 2, and an idling support part 3.

The pressurization part 1 accumulates the screw bar 13 which is rotated as a handle 14 at the rear end in the hollow casing 11, and moves the moving body 12 which is moved forwards and backwards by screwing in this screw bar 13. The movable body 12 may be rotatable at a predetermined angle around the casing 11 and the axial point a, and the pressing roll 15 may be formed at the tip of the movable body 12.

The supporting part 2 is installed on the one side of the base 4 so as to be rotatable in the horizontal direction between the support shaft 24, one end of the rotary shaft 23, the motor 21a and the reducer 21b. The driving means 21 is formed, and is covered with a predetermined casing 28, the circular outer peripheral surface of the rotation support member 22 of a predetermined thickness so that the rotation axis 23 extending in the horizontal direction is the central axis, It is provided to form a rotating contact surface from below, and the first and second auxiliary support 25 is inclined at a predetermined angle on both sides of the rotation direction of the rotary support member 22.

The first and second auxiliary supports 25 are divided into opposite sides with respect to a wide surface forming a circular shape of the rotary support member 22, and are opposed to each other. The second support 24b having a low height is installed in parallel, and a center thereof is opened on the upper surface thereof to form a support 25c having a long hole 25d, and assembled and disassembled with a bolt (nut) to be movable on the long hole 25d. The auxiliary support 25b is provided, but the idle roll 25a is installed at both sides of the auxiliary support 25b.

The idling support part 3 includes a casing 31 formed of a hollow rectangular pillar, a third screw bar 38 connected to the bottom of the casing 31 to set the front and rear positions of the casing 31, and It is made of three handles 39, the casing 31 to form a second screw bar 33 in the casing 31 so as to determine the height of the upper and lower themselves, the ascending and descending by riding the second screw bar 33 The movable body 32 is installed inside, and the second handle 34 is installed outside the upper casing 31 of the screw bar 33, and the movable body 32 is disposed in the steel pipe (a) direction of the casing 31. Steel pipes extending in the horizontal direction and idling as a predetermined bearing 35c may be formed to form a support 35. The support body 35 is composed of a flat plate portion 35b of a disc shape and a cylindrical portion 35a having a small diameter installed at the center portion thereof, and the cylindrical portion 35a is inserted into the steel pipe (a) so that the steel pipe (a The inner circumferential surface of) is idle while supporting the rotation downward.

The lower part of the casing 31 is attached to both slide bars 37 to form a support angle 36a which is slidable, and a support frame having a ball nut 38a screwed to the third screw bar 38 at the lower center thereof. (36) is supported, the support frame 36 is to move forward and backward on the slide bar (37), the third screw bar (38), the slide bar (37), the third screw bar (38) is a support As rotatably supported, one side of the third screw bar 38 is connected to the third handle (39).

Therefore, irrespective of the size (diameter) of the steel pipe (a), while the support 35 is in contact with the inner circumferential surface of the steel pipe (a) to support the rotating steel pipe (a) by pressing, if the horizontal length of the steel pipe (a) is long The casing 31 is to be rearwardly positioned as the steering wheel 39.

On the other hand, an example that can be carried out unlike the steel pipe processing apparatus will be described below.

5B is a perspective view of another embodiment of the steel pipe processing apparatus.

In the steel pipe processing apparatus of the present invention shown in FIG. 5A, only the pressing roll 15 differs from the above-described embodiment, and thus descriptions of overlapping configurations will be omitted.

Like the steel pipe processing apparatus shown in FIG. 5A, the pressing part 1, the supporting part 2, and the idling support part 3 are formed, but only the pressing roll 15 has a thick central portion and has an elliptical shape forming a rotating shaft. It is possible to change the pressing roll 15 to be implemented.

6A, 6B and 6C of the accompanying drawings are schematic sectional views explaining the press action of the steel pipe processing apparatus of this invention.

As shown in the drawings, the pressing action of the pressing portion 1 of the steel pipe processing apparatus of the present invention is screwed into the screw bar 13 rotated as the handle 14 at the rear end in the hollow casing 11 before, The movable body 12 is rotated by a predetermined angle around the casing 11 and the axial point a, and the pressing roll 15 is formed at the tip of the movable body 12. Therefore, the ring-shaped edge part (b) is pressurized by making pressure contact with one side edge of the rotating steel pipe (a).

At this time, the rotation support member 22 is driven to rotate through the rotation shaft 23, the other side of the steel pipe (A) being rotated in contact with the main surface of the rotation support member 22 is supported as the idle support (35).

At this time, the pressing action of the pressing unit 1 is a pressing operation is performed while the operator adjusts the angle in the up and down direction to the axis of the axis (a) of the casing 11 while rotating the first handle (14).

DESCRIPTION OF SYMBOLS 1 Pressing part, 11: Casing, 14: 1st handle, 13: Screw bar, 12: Moving body, 15: Pressing roll,
2: supporting part, 22: rotating support member, 25: first and second supporting rolls, 3: idling supporting part,
31: casing, 32: moving body, 33: second screw bar, 34: second handle, 35: idle frame,
36: transfer frame, 36a: support angle, 36b: ball nut, 37: slide bar, 38: third screw bar,
39: the third handle,

Claims (4)

In the steel pipe processing method of pressing and bending the steel pipe (a) by the pressing member and gradually expanding until the cylindrical steel pipe (a) end is a ring-shaped edge of the vertical section,
A steel pipe processing method characterized in that the rotating support member is rotated in a horizontal state and the workpiece steel pipe (A) has a rotational force in contact with the outer circumferential surface thereof. In the steel pipe processing equipment,
A pressing unit 1 capable of moving forward and backward by a manual operation, and by forming an squeezing roll 15 at the front end of the pressing position with the axial point a being axially adjustable; And
A rotating support member 22 that is rotated by a drive motor or the like, wherein the rotating shaft is horizontal, and the outer circumferential surface of the rotating support member is rotated in contact with the outer circumferential surface of the steel pipe (A), and the rotating support member 22 and the steel pipe (A) are rotated. Steel pipe processing apparatus comprising a support portion (2) formed of the first and second support rolls (25) supporting the steel pipe (a) while idling to both sides of the contact portion. The method of claim 2,
Pressing unit 1,
The moving body 12 is formed in the hollow casing 11 by screwing, and the moving body 12 moves forward as the handle 14 by being screwed into the screw bar 13 rotated as the handle 14. It is possible to retract, and the movable body 12 makes it possible to rotate a predetermined angle about the axial point A between the casing 11 and to form the pressing roll 15 at the tip of the movable body 12. Steel pipe processing equipment characterized in that. The method of claim 2,
The first and second support rolls 25 of the support portion 2,
The first supporting member 24a having a high height and the second supporting member 24b having a low height are installed in parallel, respectively, and the support member 25c having an open center in the upper surface thereof and having a long hole 25d is installed to rotate the support member 22. Opposite inclined toward the, forming an auxiliary support (25b) that can be adjusted in position by bolting, release on the long hole (25d), characterized in that the idle roll (25a) is rotatably installed on both sides of the auxiliary support (25b) Steel pipe processing equipment made.
KR1020100048471A 2010-05-25 2010-05-25 Steel tube fabrication apparatus and method for fabricating the same KR20110129057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100048471A KR20110129057A (en) 2010-05-25 2010-05-25 Steel tube fabrication apparatus and method for fabricating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100048471A KR20110129057A (en) 2010-05-25 2010-05-25 Steel tube fabrication apparatus and method for fabricating the same

Publications (1)

Publication Number Publication Date
KR20110129057A true KR20110129057A (en) 2011-12-01

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KR1020100048471A KR20110129057A (en) 2010-05-25 2010-05-25 Steel tube fabrication apparatus and method for fabricating the same

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101507217B1 (en) * 2013-03-06 2015-03-30 최환희 Apparatus for forming flange of double pipe
CN106001222A (en) * 2016-05-13 2016-10-12 浙江新博铝塑品有限公司 Extrusion type bottle cap flanging device
JP2018103224A (en) * 2016-12-27 2018-07-05 三菱電機株式会社 Method for processing joint and method for manufacturing tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101507217B1 (en) * 2013-03-06 2015-03-30 최환희 Apparatus for forming flange of double pipe
CN106001222A (en) * 2016-05-13 2016-10-12 浙江新博铝塑品有限公司 Extrusion type bottle cap flanging device
JP2018103224A (en) * 2016-12-27 2018-07-05 三菱電機株式会社 Method for processing joint and method for manufacturing tank

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