KR101424629B1 - Adjustment device spacing and angle of correction rollers for pipe straightener - Google Patents

Abstract

The present invention relates to an apparatus for adjusting spacing and angles of correction rollers for a pipe straightener, capable of performing a rounding work of a metallic pipe using a spacing adjusting unit, an angle adjusting unit, and a braking unit in order to precisely adjust the spacing between correction rollers installed at inner upper and lower portions of a straightener and rotating angles of the correction rollers. The apparatus for adjusting the spacing and the angles of the correction rollers for the pipe straightener according to an embodiment of the present invention adjusts the spacing between the top and the bottom of each correction roller and left/right angles of the correction roller correcting a curvature of the pipe transferred by driving shafts positioned at angles offsets from each other at the inner upper and lower portions of the straightener and fixedly inserted into the center of the straightener and a bracket having both sides to support the driving shafts. The apparatus includes: a plate to support the brackets positioned at both sides of the correction roller and to move up and down while rotating left and right; a sleeve fixedly coupled to the plate so that the up and down movement and the left and right rotation are possible; a sleeve housing fixedly installed on an inner lateral side of the straightener in the structure of surrounding an outer portion of the sleeve to guide the up and down movement and the left and right rotation of the sleeve; a spacing adjusting unit to move up and down so that the spacing between the top and the bottom of the correction roller can be adjusted; an angle adjusting unit to rotate left and right the sleeve so that the left/right angle of the correction roller can be adjusted; and a braking unit to fix the sleeve, which moves up and down while rotating left and right by the spacing adjusting unit and the angle adjusting unit.

Description

[0001] The present invention relates to an adjustment device spacing and angle adjusting device for a pipe straightener,

[0001] The present invention relates to an apparatus for adjusting the gap and angle of a calibrating roller for a pipe straightener, and more particularly, to an apparatus for adjusting the gap and angle of a calibrating roller for a pipe straightener, The present invention relates to an apparatus for adjusting the distance and angle of a calibrating roller for a pipe straightener,

Generally, in order to obtain various drawn products of pipe type, one end of the pipe is swaged and then pulled out with a pulling machine. After the drawing process, the end of the pipe is swaged and then calibrated using a calibrator, This drawing pipe is mainly used for manufacturing a pipe-type precision part in which an allowable error range is within 0.03 mm.

In addition, the calibrator for the exact and straight processing of the pipe pulled out by the pulling machine is designed so that the exiting pipe passes the two rows of upper and lower calibrating rollers, the circular and circular calibrations are performed by the curved grooves of the respective calibrating rollers In addition, each of the calibration rollers is configured to be able to adjust various kinds of pipes having different diameters by adjusting the upper and lower intervals and left and right angles.

However, in the apparatus for adjusting the gap and angle of the calibrating roller for a pipe straightener according to the related art, the spindle to which the calibrating rollers are connected is simply screwed to the long adjusting bolt which is idly connected to the frame side, A vertical support rod is connected to the housing for connecting and supporting the calibrating roller so that the calibrating roller is moved upward or downward and the left and right adjusting bolts screwed to the frame are brought into contact with both sides of the vertical support rod, The adjustment roller is rotated and rotated around the axis of the spindle by the fastening and tightening so that the adjustment bolts are loosened and fixed by using various tools to adjust the upper and lower intervals and the angle of the calibration roller, do.

In addition, when the adjusting bolt for adjusting the upper and lower pitches and angles is loosened and tightened, the movement distance according to the pitch of the adjusting bolt is directly given, and if adjustment is made, it is difficult to fine-tune, There are problems such as being able to become.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a method and apparatus for precisely adjusting the interval and rotation angle of the calibrating rollers installed on the upper and lower sides of a calibrating machine by using a gap adjusting unit, And to provide an apparatus and method for adjusting the gap and angle of a calibration roller for a pipe straightener.

The object of the present invention is to provide an apparatus and a method for correcting the positional deviation of a caliper of a pipe conveyed by a bracket supporting the drive shaft on both sides, A plate for supporting the brackets located on both sides of the calibrating roller and rotating integrally up and down and left and right, A sleeve fixedly installed on the inner surface of the caliper to surround the outer side of the sleeve, and configured to move upward and downward of the sleeve, And a sleeve housing for guiding the left and right rotation of the sleeve, and a sleeve housing for guiding the rotation of the sleeve in the upward and downward directions An angle adjuster for rotating the sleeve in the left and right directions so as to adjust the left and right angles of the calibrating roller; And a braking means for fixing the sleeve to be fixed to the pipe.

According to a preferred aspect of the present invention, the gap adjusting unit includes: a first ball screw penetrating through the sleeve housing and vertically positioned on the inner side of the sleeve so as to be rotatably fixed; and a second ball screw fixedly installed on the inner surface of the sleeve, A first ball screw for moving the sleeve vertically upward and downward by rotation of the first ball screw and a second ball screw for connecting the sleeve to the first ball screw so that the sleeve can be vertically moved up and down by the first ball screw And a first worm gear reducer installed to generate a rotational force.

According to a preferred aspect of the present invention, the end of the first ball screw includes an encoder for numerically displaying a moving distance value proportional to the rotation of the first ball screw so as to more precisely adjust the interval between the calibration rollers .

According to a preferred aspect of the present invention, the angle adjusting unit includes a rack gear housing fixed to one side of the sleeve housing, and a rack gear meshing with the sleeve inside the rack gear housing to rotate the sleeve in left and right directions, A first hydraulic cylinder threadedly fixed to one side of the rack gear housing to press the rack gear to contact the sleeve, a second ball screw fixed to the rack gear, A second ball screw fixed to the inner surface of the rack gear and horizontally moving the rack gear by rotation of the second ball screw and a second ball screw fixed to the inner surface of the rack gear to horizontally move the rack gear by rotation of the second ball screw, And a second worm reducer connected to the screw and generating a rotational force.

According to a preferred aspect of the present invention, the end of the second ball screw includes an encoder for numerically displaying a rotation angle value proportional to the rotation of the second ball screw so as to more accurately adjust the angle of the calibrating roller .

According to a preferred aspect of the present invention, the braking means includes a second hydraulic cylinder in which a rod is fixedly installed at one side of the housing so as to be able to move back and forth, and a second hydraulic cylinder fixedly connected to the rod of the second hydraulic cylinder, A brake pusher for pressing the sleeve and a brake pad fixedly coupled to the brake pusher to brake the sleeve.

As described above, according to the apparatus for adjusting the gap and angle of the calibrating roller for a pipe straightener according to the preferred embodiment of the present invention, the intervals and the angles of the calibrating rollers located on the inner side and the lower side of the calibrator can be individually adjusted, Not only the work can be performed more efficiently but also the adjustment operation is performed quickly, so that the productivity is improved.

In addition, since the calibration roller can be adjusted more precisely by displaying the numerical values of the upward and downward moving distance and rotation angle of the calibrating roller, it is possible to precisely adjust within the allowable error range during adjustment, thereby preventing the calibration error caused by the adjustment error .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side cross-sectional view of a gap and angle adjusting device of a calibrating roller for a pipe straightener according to an embodiment of the present invention; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for adjusting an angle of a calibrating roller for a pipe straightener,
FIG. 3 is an operation diagram showing an angle adjusting unit of a gap and angle holding apparatus for a calibration roller for a pipe straightener according to an embodiment of the present invention. FIG.
4 is an operational view showing the braking means of the gap and angle holding device of the calibrating roller for a pipe straightener according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be described in detail so that those skilled in the art can easily carry out the present invention , And this does not mean that the technical idea and scope of the present invention are limited.

The apparatus for adjusting the gap and angle of a calibrating roller for a pipe straightener according to a preferred embodiment of the present invention comprises a drive shaft (3) fixedly inserted at the center at an angle deviating from the upper and lower sides of the calibrator, And the angle of the calibrating roller for the pipe calibrator for adjusting the upper and lower intervals and the left and right angles of the calibrating roller 7 for calibrating the origin of the pipe conveyed by the bracket 5 supporting the calibrator 3 The plate 10 and the plate 10 are integrally supported by the plate 10 so as to rotate integrally with the plate 10 so as to move upwardly and downwardly and to the left and the right by supporting the bracket 5 located on both sides of the calibrating roller 7, The sleeve 20 is fixed to the inner surface of the calibrator in such a manner as to surround the outer side of the sleeve 20 so as to move up and down the sleeve 20, A sleeve housing 30 for guiding left and right rotation, A gap adjusting unit 40 for moving the sleeve 20 upward and downward so that the upper and lower intervals of the roller 7 can be adjusted and a gap adjusting unit 40 for adjusting the left and right angles of the correcting roller 7, And a braking means 60 for fixing the sleeve 20 which has been rotated up and down and left and right by the gap adjusting portion 40 and the angle adjusting portion 50 ).

Hereinafter, the constituent members of the gap and angle adjusting device 1 of the calibrating roller for a pipe straightener according to a preferred embodiment of the present invention and the connection relationship thereof will be described with reference to FIGS. 1 to 4. FIG.

In this case, the plate 10 can be integrally coupled to the bracket located on both sides of the calibrating roller and the gap and angle adjusting device 1 of the calibrating roller for a pipe straightener according to the present invention, And is vertically moved upward and downward integrally with the bracket and is rotated in the left and right directions at the same time.

A sleeve 20 is fixedly coupled to a surface of the plate 10 positioned in the inward direction of the calibrator. The sleeve 20 is fixed to the plate (not shown) by an interval adjusting unit 40 and an angle adjusting unit 50 10, and the outer side surface thereof is formed with a gear so as to be engaged with the rack gear 52 of the angle adjusting portion 50, which will be described later, A space portion 21 is formed so that the first ball screw 41 of the gap adjusting portion 40 to be described later can be installed and the first ball screw 42 of the gap adjusting portion 40, The step 22 is formed to be fixedly coupled.

The sleeve housing 30 is fixedly installed on the inner side of the calibrator in such a manner as to surround the outer side of the sleeve 20. The sleeve housing 30 can move up and down the sleeve 20, A fixing groove 31 is formed on one side surface of the main body so that the angle adjusting unit 50 to be described later is operatively fixed to rotate the sleeve 20 in left and right directions And the other side of which is provided with a through hole 32 in which the braking means 60 to be described later is operatively installed to fix the sleeve 20 described above.

On the other hand, on the sleeve 20, a gap adjusting unit 40 is operatively installed. The gap adjusting unit 40 vertically moves the sleeve 20 in the upward and downward directions, And to adjust the interval between the calibration rollers.

The gap adjusting unit 40 includes a first ball screw 41 that is vertically disposed on the inner side of the sleeve 20 through the sleeve housing 30 and is rotatably fixed to the sleeve 20, A first ball screw 42 fixedly installed on an inner surface of the first ball screw 42 for vertically moving the sleeve 20 by rotation of the first ball screw 41, And a first worm reducer (43) connected to the first ball screw (41) so as to be movable so as to generate a rotational force.

2, the first ball screw 41 is fixed to the inside of the sleeve 20 by the above-described operation of the first worm reducer 43, The first ball screw 42 is vertically moved in the upward and downward directions by the rotation of the first ball screw 41 so that the first ball screw 42 is rotated in the forward and reverse directions, And the sleeve 20 fixedly coupled with the lower end of the sleeve 20 are vertically moved upward and downward together. At this time, the sleeve 20 is moved in the upward and downward directions in a state in which the sleeve 20 is not rotated due to engagement with the rack gear 52 of the gap adjusting unit 50 to be described later.

The first ball screw 41 is fixed to the end of the first ball screw 41 to fix the first ball screw 41 so as to more precisely adjust the interval between the calibration rollers located on the inner side and the lower side of the straightener, And a moving distance value proportional to the rotation of the motor.

The first worm reducer 43 is connected to a first shaft 43a protruded to the outside of the straightener so that the operator can precisely drive the rotation of the first ball screw 41 by using the handle . The first worm gear reducer 43 is the same as the worm gear reducer according to the related art, and the detailed description thereof will be omitted for simplification of the description.

The angle adjusting unit 50 is operatively installed on one side of the sleeve housing 30. The angle adjusting unit 50 adjusts the angle by rotating the sleeve 20 in the left and right directions will be.

The angle adjusting unit 50 includes a rack gear housing 51 fixed to one side of the sleeve housing 30 and a sleeve 20 housed in the rack gear housing 51, A first hydraulic cylinder 53 fixed to one side of the rack gear housing 51 and adapted to press the rack gear 52 to engage with the sleeve 20; A second ball screw 54 fixed to the inner side of the rack gear 52 and rotatably fixed and positioned horizontally inside the rack gear 52; A second ball screw 55 for horizontally moving the rack gear 52 by rotation and a second ball screw 55 connected to the second ball screw 54 so that the rack gear 52 can be horizontally moved by the second ball screw 55 And a second worm reducer (56) installed to generate a rotational force.

3, the above-described second ball screw 54 is fixed to the inside of the aforementioned rack gear 52 by the operation of the second worm reducer 56 described above, The second ball screw 55 is horizontally moved in the left and right directions by the rotation of the second ball screw 54 and the second ball screw 55 is rotated in the forward or reverse direction by being engaged with the second ball screw 54 The rack gear 52 is also moved horizontally in the rack gear housing 51 from left to right.

The first hydraulic cylinder 53 contacts the one side of the sleeve 20 with the rack gear 52 so that the sleeve 20 can be rotated in the left and right directions, And a second encoder 54a is fixedly installed at an end portion thereof to numerically represent a value proportional to the rotation of the second ball screw 54 so that the rotation angle of the calibrating roller can be adjusted more precisely.

The second worm reducer 56 is connected to a second shaft 54a protruded to the outside of the straightener so that the operator can precisely drive the rotation of the second ball screw 54 by using the handle. The second worm reducer 56 is the same as the worm reducer according to the related art, and the detailed description thereof will be omitted for simplification of the description.

As described above, the interval adjusting unit 40 and the angle adjusting unit 50 individually adjust the plurality of calibration rollers arranged on the upper and lower sides of the inside of the calibrator, and simultaneously adjust the entire calibration rollers collectively .

The braking means 60 is fixed to one side of the sleeve housing 30. The braking means 60 is moved up and down and left and right by the gap adjusting unit 40 and the angle adjusting unit 50, A brake pusher 62, and a brake pad 63. The second hydraulic cylinder 61, the brake pusher 62, and the brake pad 63 serve to fix the right-rotated sleeve 20.

4, the second hydraulic cylinder 61 is located on one side of the sleeve housing 30 described above, and the rod is inserted into the through hole 32 of the sleeve housing 30 described above, And is fixedly installed so as to be movable forward and backward. At this time, the second hydraulic cylinder 61 moves backward when the sleeve 20 is moved up and down, leftward and rightward as described above. When the above-described upward and downward movement and leftward and rightward rotation of the sleeve 20 are completed, .

The aforementioned brake pusher 62 is fixedly coupled to the rod of the aforementioned second hydraulic cylinder 61 so as to move in the through hole 32 of the sleeve housing 30 described above at the time of forward movement of the second hydraulic cylinder 61, The sleeve 20 is moved upward and downward and leftwardly and rightwardly rotated by the gap adjusting unit 40 and the angle adjusting unit 50, respectively.

The brake pad 63 is formed of a rubber material and is fixedly coupled to the brake pusher 62. When the brake pusher 62 is pressed against the sleeve 20 as described above, (20).

1: adjusting device
10: Plate
20: Sleeve
30: Sleeve housing
40:
50:
60: Braking means

Claims (6)

The upper and lower intervals and the left and right angles of the calibrating roller for calibrating the origin of the pipe which is positioned at an angle deviating from the inner and lower sides of the calibrator and fixedly inserted at the center and the bracket for supporting the drive shaft at both sides, And an adjusting device for adjusting the angle and angle of the calibrating roller for the pipe calibrator,
A plate supporting the brackets located on both sides of the calibrating roller and rotating integrally up and down and left and right;
A sleeve fixedly coupled to the plate to allow the plate to move up and down and to rotate left and right;
A sleeve housing fixed to the inner surface of the caliper to surround the outer side of the sleeve, and to guide upward and downward movement and left and right rotation of the sleeve;
A gap adjusting unit for moving the sleeve upward and downward so that the upper and lower intervals of the calibrating roller can be adjusted;
An angle adjuster for rotating the sleeve in the left and right directions so as to adjust the left and right angles of the calibrating roller;
And braking means for fixing the sleeves to be moved up and down and to the left and right by the gap adjusting portion and the angle adjusting portion. The method according to claim 1,
The gap adjusting unit includes a first ball screw penetrating through the sleeve housing and vertically positioned on the inner side of the sleeve so as to be rotatably fixed and fixed to the inner surface of the sleeve, A first ball screw for moving the sleeve vertically and downward and a first ball screw for connecting the first ball screw and the first ball screw so that the sleeve can be vertically moved up and down by the first ball screw, And a worm reducer for adjusting the gap and angle of the calibrating roller for the pipe straightener. The method of claim 2,
And an encoder for numerically displaying a moving distance value proportional to the rotation of the first ball screw so as to more precisely adjust the distance between the calibration rollers, at the end of the first ball screw Roller spacing and angle adjustment device. The method according to claim 1,
A rack gear housing fixed to one side of the sleeve housing; a rack gear meshed with the sleeve inside the rack gear housing to rotate the sleeve in the left and right directions; A second ball screw fixedly installed on the rack gear to press the rack gear to engage with the sleeve, a second ball screw which is horizontally positioned and rotatably fixed on the inner side of the rack gear, A second ball screw fixedly installed on the second ball screw for horizontally moving the rack gear by rotation of the second ball screw and connected to the second ball screw so as to be horizontally moved by the second ball screw, And a second worm reducer for adjusting the gap and angle of the calibrating roller for the pipe straightener. The method of claim 4,
And an encoder for numerically displaying a rotation angle value proportional to the rotation of the second ball screw so that the angle of the calibration roller can be adjusted more precisely at the end of the second ball screw. And an angle adjusting device. The method according to claim 1,
The braking means includes a second hydraulic cylinder in which a rod is fixedly installed at one side of the housing so as to be able to move forward and backward, a brake pusher fixedly coupled to the rod of the second hydraulic cylinder to press the sleeve when the rod is moved forward, And a brake pad fixedly coupled to the brake pusher to brake the sleeve.

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