KR101181111B1 - Pipe Groove Forming Apparatus - Google Patents

Abstract

The present invention is a pipe groove forming apparatus that can be made not only to precise processing of the groove, but also to improve the work efficiency by automatically drawing the pipe to be processed along the longitudinal direction at the same speed as the rotation. The purpose is to provide.

Pipe groove forming apparatus according to the present invention for achieving this object, the base block is provided with a pair of idle rollers; A pair of idle rollers and a pressure roller unit installed to be positioned in a triangle shape with each other so as to slide toward the base block; An inner support rod having a pair of inner idle rollers disposed at predetermined intervals at an end portion to enable free rotation, and installed between the pair of idle rollers and the pressing roller portion so that the pressing roller portion can be positioned between the inner idle rollers; And a rotation drawing means positioned on an extension line of the inner idle roller and rotating while drawing a pipe fitted to the inner support rod.

Pipe Groove, Curtain Rod, Pitch Control

Description

Pipe Groove Forming Apparatus}

The present invention relates to a pipe groove forming apparatus, and the groove processing roller and the idle roller is pulled in the longitudinal direction at the same speed while rotating the pipe in the state engaged with each other to form a groove, the groove processing is not only made easy but also the working speed It relates to a pipe groove forming apparatus that can improve the.

In general, curtains used for partitions in a shower curtain or a hospital room are often installed so as to be spread out from one side to the other using a pipe installed on the ceiling surface. In the case of such a curtain, a spiral groove is formed in the pipe so as to prevent the curtain from being suddenly opened when opening the curtain from side to side and to facilitate closing.

Such a method of forming the groove is made by various methods, but a method of forming a groove by inserting the inner roller inside the pipe and pressing the groove forming roller to the outside is widely used.

However, such a conventional groove forming apparatus has the following problems.

1) Since the pipe is pushed from the rear of the groove forming roller to form a groove, the defect rate of the product occurs a lot such as the middle part of the pipe bends.

2) The shape of the grooves can be formed uniformly and uniformly only when the pipe, which is the object to be processed, is rotated while drawing out at a constant speed. However, the grooves are formed irregularly because they must be drawn out by hand.

The present invention has been made in view of this point, by making the groove processing automatically while drawing the pipe to be processed along the longitudinal direction at the same speed as the rotation, not only easy to precise processing of the groove, but also more efficient work It is an object of the present invention to provide a pipe groove forming apparatus that can be improved.

Pipe groove forming apparatus according to the present invention for achieving this object, the base block is provided with a pair of idle rollers; A pair of idle rollers installed in a triangular shape with each other, and having a processing roller positioned between the pair of idle rollers to form a groove in the pipe, the press roller unit being slidable toward the base block; A pair of inner idle rollers provided at predetermined intervals at an end portion to allow free rotation, and an inner support rod disposed side by side between the pair of idle rollers and the pressure roller portion so that the processing roller may be located between the inner idle rollers; And a rotation drawing means positioned on an extension line of the inner idle roller and rotating while drawing a pipe fitted to the inner support rod.

In particular, the pressing roller unit, the support plate fixed to the upper portion of the four guide rods installed perpendicular to each corner of the base block; An operation plate installed to face the base block to move in the longitudinal direction of the guide rod; An actuator mounted to the support plate to transfer the actuation force to the actuation plate; And a groove processing roller unit installed on the operation plate so as to be located between the inner idle rollers. The groove processing roller unit is disposed between the inner idle rollers and rotationally supports the processing roller for pressurizing the pipe from the outside. The rotating bracket is further provided to be rotatable in the rotatable bracket, characterized in that the rotation angle adjusting device is further provided to adjust the rotation angle while moving along the angle adjustment groove formed in the arc shape on the operation plate.

In addition, the pair of inner idler roller is characterized in that the front inner idler roller installed in the front in the direction that the pipe is formed to have a smaller diameter than the other inner idler roller.

The rotation extracting means may include: a rotation support having a chuck for fixing the pipe and an actuator for rotating the chuck; And a conveyor for transferring the rotary support in the longitudinal direction of the pipe.

Finally, the actuator and the conveyor are characterized by the same operating speed.

The present invention has the following effects.

1) As the object to be processed is automatically rotated and drawn out, the groove can be precisely machined. This can significantly reduce the defect rate during the manufacture of the product.

2) Withdrawal and rotation of pipes are done automatically, which makes it possible to produce high quality products in large quantities.

3) Since the rotation angle of the pressure roller part can be adjusted according to the pitch of the groove, it is possible to process the pipe having the desired pitch.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1 is a side view for showing the overall configuration of the pipe groove forming apparatus according to the present invention, Figure 2 is a front view for schematically showing the overall configuration of the pipe groove forming apparatus according to the present invention, Figure 3 4 is a perspective view showing the configuration of the pressure roller according to the present invention, and FIG. 4 is a cross-sectional view of the portion A in FIG. Here, "G" denotes a groove formed spirally on the outer circumferential surface of the pipe, and "P" denotes a pipe made of a material such as aluminum.

Pipe groove forming apparatus according to the present invention, the base block 100 is provided with a pair of idle rollers (110a, 110b), the pressure roller portion 200 and the inner support rod 300 for substantially forming grooves in the pipe (P) And a rotation drawing means 400 for rotating and drawing the pipe P at a constant speed.

Base block 100 is a kind of block having a predetermined size, a pair of idle rollers (110a, 110b) are installed side by side on the upper surface. In addition, the base block 100 supports the pressure roller part 200 to be slidable up and down on the top of these idle rollers 110a and 110b.

The pressure roller part 200 includes a support plate 240 fixed to the upper portion of the four guide rods 241 installed perpendicular to the corner portion of the base block 100. The actuator 220 is installed at the center of the support plate 240. As the actuator 220, a pneumatic or hydraulic cylinder may be used in general, or may be a driving motor for operating a lead screw capable of converting a rotational movement into a linear movement. The actuator 220 is installed so that the cylinder rod or lead screw penetrates through the support plate 240.

In addition, the guide rod 241 is installed so that the operation plate 210 to face the base block 100 to be slidable in the longitudinal direction. The groove processing roller unit 230 is mounted at the center of the bottom surface of the operation plate 210. In particular, the groove processing roller portion 230 may be installed to be rotatable to the operation plate 210 for angle adjustment, in this case the operation plate 210 to adjust the rotation angle to the center of rotation as shown in FIG. An arc-shaped angle adjusting groove 211 is further formed. The angle adjusting groove 211 may be formed symmetrically about the center of rotation axis of the groove processing roller portion 230.

And the groove processing roller portion 230 is configured to include a processing roller 233 for forming a groove (G) by substantially pressing the outer surface of the pipe (P). In particular, the processing roller 233 may be formed in various forms according to the shape of the groove (G), preferably it is preferable to use by processing the rim surface to be formed in a semi-circular form. Grooving roller portion 230 may be configured to adjust the rotation angle of the machining roller 233, that is, the pitch of the groove (G). To this end, the groove processing roller unit 230 is further provided with a rotating bracket 231 for supporting the processing roller 233 to rotate. In particular, the rotating bracket 231 is formed in a groove-shaped cross-section, the bottom surface is installed to be rotatable in the above-described operation plate 210. In addition, the bottom surface of the rotating bracket 231 is provided with a rotation angle adjustment port 232 to enable the angle adjustment through the angle adjustment groove 211 at the bottom. Rotation angle adjustment port 232 is a kind of bolt, is fixed to the operation plate 210 through the angle adjustment groove 211. The rotation angle adjustment port 232 is to adjust the rotation angle of the operation plate 210 through the fastening and relaxation.

The inner support rod 300 serves to support the processing roller 233 is inserted into the inside of the pipe (P). As shown in FIG. 3, the inner support bar 300 is installed to be located in a space formed by the pair of idle rollers 110a and 110b and the processing roller 233.

In particular, the inner support bar 300 is manufactured to the length of the pipe (P) to be processed, and is fixed to the support 320 formed in the "L" shape on the extension line of the base block 100 as shown in FIG. .

In addition, the inner support rod 300 is provided with a pair of inner idle rollers (310a, 310b) at the distal end. The inner idle rollers 310a and 310b are rotatably installed at predetermined intervals. The interval at this time is determined according to the deformation thickness of the pipe P and the width of the processing roller 233. In addition, the inner idle rollers 310a and 310b may be formed so that the inner idle roller 310a provided in front of the inner idle roller 310a is smaller than the diameter of the other inner idle roller 310b. As shown in FIG. 4, when the groove G is formed in the pipe P by the processing roller 233, deformation occurs due to residual pressure or the like in the portion where the groove G is formed. This is to allow the machined pipe P to be easily drawn out even if the diameter of the if P decreases or causes deformation. The inner idle rollers 310a and 310b may be installed to be freely rotated and changed in angle by being combined with ball joints.

The rotation drawing means 400 includes a rotation support part 410 for fixing the pipe P to rotate at a predetermined speed, and a conveyor 420 for transporting the rotation support part 410 at a constant speed. It is composed.

In particular, the rotation support portion 410 includes a chuck 411 manufactured by a conventional technique for substantially fixing the pipe P, and an actuator 412 for rotating the chuck 411. In addition, the chuck 411 may directly fix the pipe P, or may be used by fixing a connector (not shown) in advance so that the pipe P may be fitted in a force fitting manner.

In addition, the actuator 412 may rotate at the same speed as the conveying speed of the conveyor 420 or may be driven at different speeds. This relates to the pitch of the groove G. When the actuator 412 has a faster rotational speed than the conveyor 420, the pitch of the groove G becomes smaller. On the contrary, when the actuator 412 has a lower rotation speed than the conveyor 420, the pitch of the groove G becomes large. This pitch will vary depending on the intended use of the grooves G, but it is preferable that the actuators 412 and the conveyor 420 operate at the same speed, such that the grooves G are formed according to standard specifications, such as threads. Do.

In order to use the pipe groove forming apparatus according to the present invention made as described above, first, the pipe (P) is inserted into the inner shaft support rod (300). Then, the rotary drawing means 400 located at the outer end side of the conveyor 420 is transferred to the front end of the inner shaft support rod 300 to fix the pipe P by using the chuck 411.

Subsequently, the actuator 220 is operated to adjust the position so that the processing roller 233 of the pressure roller part 200 is positioned between the pair of idle rollers 110a and 110b while pressing the pipe P.

Next, as the conveyor 420 is moved outward while driving the actuator 412 to rotate the shaft portion 411, the groove P having a uniform pitch is formed in the pipe P. FIG.

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 embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1 is a side view for showing the overall configuration of a pipe groove forming apparatus according to the present invention.

Figure 2 is a front view schematically showing the overall configuration of the pipe groove forming apparatus according to the present invention.

Figure 3 is a perspective view showing the configuration of the pressing roller unit according to the present invention.

Figure 4 is a cross-sectional view of the portion A in Figure 1 for showing the formation of the pipe groove according to the present invention.

<Brief description of reference numerals for the main parts of the drawings>

100: base block 110a, 110b: idle roller

200: pressure roller section 210: operating plate

211: angle adjusting groove 220: actuator

230: groove processing roller unit 231: rotating bracket

232: rotation angle control unit 233: processing roller

240: support plate 241: guide rod

300: inner shaft support rod 310a, 310b: inner shaft idle roller

320: support 400: rotary drawing means

410: rotation support 411: chuck

412: Actuator 420: Conveyor

G: Groove P: Pipe

Claims (6)

A base block 100 having a pair of idle rollers 110a and 110b; The pair of idle rollers (110a, 110b) are installed so as to be located in a triangle with each other, located between the pair of idle rollers (110a, 110b) is provided with a processing roller 233 for forming a groove in the pipe and the base A pressure roller part 200 installed to be slidable toward the block 100; A pair of inner idle rollers (310a, 310b) is provided at a predetermined interval at the end to enable free rotation, and the processing roller 233 is located between the inner idle rollers (310a, 310b) An inner support rod 300 installed side by side between a pair of idle rollers 110a and 110b and the pressure roller part 200; And And a rotation drawing means (400) positioned on the extension lines of the inner idle rollers (310a, 310b) and rotating while drawing the pipe (P) fitted to the inner supporting rod (300). Groove forming device. The method of claim 1, The pressure roller unit 200, the support plate 240 fixed to the upper portion of the four guide rods 241 installed perpendicular to each corner of the base block 100; An operation plate 210 installed to face the base block 100 so as to move in the longitudinal direction of the guide rod 241; An actuator (220) mounted to the support plate (240) for transmitting an operating force to the operation plate (210); And a groove processing roller unit 230 installed on the operation plate 210 to be positioned between the inner idle rollers 310a and 310b. The groove processing roller portion 230 is rotated to support the processing roller 233 is located between the inner idle rollers (310a, 310b) to press the pipe (P) from the outside, the operation plate 210 It is further provided with a rotating bracket 231 installed to be rotatable, The rotation bracket 231 is a pipe groove, characterized in that the rotation angle adjustment port 232 is further provided to adjust the rotation angle while moving along the angle adjustment groove 211 formed in the arc shape on the operation plate 210 Forming device. delete The method of claim 1, The pair of inner idle rollers 310a and 310b is characterized in that the front inner idle roller 310a installed in front in the direction in which the pipe P travels is formed to have a smaller diameter than other inner idle rollers 310b. Pipe groove forming apparatus. The method of claim 1, The rotary drawing means 400, A rotation support part 410 having a chuck part 411 for fixing the pipe P and an actuator 412 for rotating the chuck part 411; And And a conveyor (420) for transferring the rotation support part (410) in the longitudinal direction of the pipe (P). 6. The method of claim 5, The actuator (412) and the conveyor (420) is a pipe groove forming apparatus, characterized in that the same operating speed.

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