JPS60102231A - Corrugating device of tube - Google Patents

Abstract

PURPOSE:To obtain a titled device that prevents torsion of a worked tube and works corrugation having a waveform fixed in pitch, crest height and crest width at a high speed by attaching plural annular dies having annular ribs of different drawing depth and pitch in a rotatable housing. CONSTITUTION:Annular dies 11, 15 are attached in a rotatable housing 1 which is in a body with a mantle tube 2 supported by a bearing 7 through annular roller bearings 8, 13. A spiral rib 10 of shallow drawing is provided in the die 11 deviating downward to the axis. On the other hand, a spiral rib 14 of deep drawing having smaller pitch than the rib 10 is provided in the die 15 deviating upward. A worked tube 4 is passed through a corrugating device of above-mentioned constitution at a fixed speed by a drawing device (omitted in the figure), and further passed through dies 11, 15 guided by a guide tube 3 fixed to a sleeve 6 to which the bearing 7 is attached through a flanged collar. Above-mentioned housing 1 is rotated, and a shallow waveform is formed by the rib 11 from upper part, and then formed to a waveform of specified depth by the rib 14 from the lower part.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a pipe corrugation device for forming continuous corrugations on the outer peripheral surface of a metal pipe.

Conventional technology In order to manufacture corrugated ribs with corrugations formed on the outer circumferential surface of metal-colored metal, a relatively thin larb-shaped steel 4A is used.
131 etc. is made into a pipe shape using a tube forming device, etc., and made into a pipe to be processed using a welding machine.It is then processed into a wave (q-revipe) and then wound into a drum winding 1ull screen. 1° where production is being carried out.And in order to form the liquid addition-[?q1 wave A]() using the wave Gl filter device, a large number of 11-rules and ribs are stepped to the right η of the waveform fFi. The ring-shaped die snow is pressed into the outer circumferential surface of the pipe to be processed, and the die is rotated to narrow down the liquid addition pipe.For this reason, when the drawing is made deeper, the workpiece The part of the pipe is supported by the guide 1, etc., and the part where the wave (=J) process is performed is unsupported and free.
As the rolls and ribs rotate and cover the tube while pressing at one point with large processing pressure acting at right angles to the axis of the tube, the tube is tilted and the waveform is tilted and not symmetrical, resulting in pitch. , mountain i: 'P and 1+ width are not constant, twisting occurs, 1
Acceleration at 1st speed] - Since round vibration occurs, processing must be performed at low speed, production speed is slow,
・1. A rotatable cylindrical housing for passing the tube; a means for holding an annular die rotatably mounted in the housing;
A helical wave with a predetermined pitch angle on the inner edge of + J (a wave including a flat annular body extending through the knob part) The said housing is provided with means for placing an adjustment stone on the housing, and the die is placed on a surface extending transversely to the axis of the housing with an angular displacement equal to the pitch angle of the helical wave rib portion. ,
The die (5, H holding means is 414 made so that its center 1111 is different from the handle of the housing)
However, when deep drawing is performed, the machining pressure causes a twist in the machining pressure. The main axis of the middle leaf to be avoided, a wave f1 re-die movably supported in a direction at an angle of -C with respect to the axis of the axle, and a binion connected to the wave f1 re-die, (It includes a rack that moves the 4tt dice in the above-mentioned right angle direction, and the rack can be moved from the outside by manipulating the handle.
a limiting device for limiting the moving distance in the j direction; 1) [L.11
A display device which is limited to 1 = easy movement distance as 81 numerical values is known as Japanese Patent Publication No. 37632/1982, but these (, 1, wave height), !
1.It is a device that has a negative effect, and the spiral waves (=t I-J are continuous and ctl twist, but the circular waves I-NJ1) are continuous. The purpose of this method is to eliminate the above drawbacks and prevent twisting caused by "b, addition" when forming a deep corrugation on the pipe to be processed, and the pitch of the waveform. .

The object of the present invention is to provide a pipe wave (=JG) device that has a constant height and width and is capable of high-speed C.

Structure of the Invention The present invention includes a rotatable housing equipped with an annular die that forms a spiral rib with a required pibo angle on the outer circumferential surface of the tube, and The annular die is displaced to the depth of drawing indicated by C with respect to the central axis.
The drawing depth and pitch of the ribs of the annular die are changed - (plural f) i! This is the configuration of the person who has set up the site.

Embodiment An embodiment of the present invention is shown in the drawings with reference to 1.1 (explained in detail). In FIGS. 1 and 3, which are integrally installed on the center axis of the eco-tube 2 to be moved, are the guide tubes (', not shown) and 1 and 3, which are installed inside the tube 2. , welding (J, -) -C
('1-l Kite the bent pipe 4 to be processed in the 4i11 direction., 54.L, Flange that fits on the outside of the guide tube 33 (=J collar, inside of the above meeting ♀'λ・2 bearing 7
and sleeve (fitted through C113, said guide cylinder 3, flange)] Cassie 5 and three-piece sleeve (Y, POL 1, connected to j by -U-1 with pin -(
1 and 8 are 1τj shape, 5 rounded bearings (with ゛,
Inside the housing 1, +111ii 2 is installed closer to the tube 2 at the point A, and the workpiece [tube 1
An annular die 11 is provided which is integrally fitted with a fs turning rib 10 for forming a shallow corrugation of an annular or Sveinor drawing on the outer peripheral surface of the die.

'Do 3 (Another annular rolling bearing link - C1, installed inside the housing 1 by a shaft 12', etc.)
Spiral to form a deep waveform of iL drawing: rMy rib'l/1 into 14 pieces E+'J 1 leaf-shaped die]; j is 1:j21J (there is,

Then, from the center axis of one annular die 1'1) to the center lll1ll of the housing 1,
I・]゛ノ(, l change Kl -c C, rib 10 is added)
Engaged with the outer peripheral surface 1- side of the tube 4, the annular die 1 of another
5 is aligned with the central axis of the housing 1.
The rib 14 is engaged with the outer circumferential surface 1 side of the mouth tube 4. Preferably, the rib 14 forms an annular waveform (Jru 7, h, Rizo). 10゜'1/'I is 1' when the bit is in a predetermined waveform! ;・l L I is precisely predetermined, 13 is the blade whose inclination is in the same direction (comparison),'
The pitch of the rib '14 (the pitch fJ of Marizo '10, sushi is made smaller, 'l'llll 12, 12
'IJi, the original state is placed on the central axis of rehousing 1/), and the inclination angle of ring 8.13 is slightly adjusted. Hayamaro and circular dice 11.1! The rotation angle of J [proportional.

To explain ff 11 in the embodiment before the invention (January), the liquid addition tube 4 (41, not shown)
'! + by the device -) - (inside the system +i;) For constant speed while being guided by 3 (・It is sent into the housing sink 1 and first rotates with the housing sink 1.) Rib 10 of 1 pear-shaped die 11 installed in 8
bites into the outer circumferential surface of the workpiece ↑ 4, and after forming a circular waveform with a shallow draw at a constant pitch, it is roughly sent to the other waveform 1': '51 Rolling Beno' Ring 1
3 installed J/,: IT, rib 1/ of i-shaped die 15
As I increases, a circular waveform with a deep aperture is formed with a constant pitch of 1-.

During this LA,) skin i () process, the processing pressure l, 1, rib 1 against the pipe 4 is
Because the 0 and 14 ribs are constantly in the opposite position, the front;, [
1. Fix the bend in tube 4, and change the waveform of the curve to 111.
J book? 3 formed on the outer peripheral surface of A.4, in order to form a deep drawing waveform, the force of twisting the tube 4 of each 111! Compared to - (because it is small, 11 is also prevented from colliding with the two pipes 4043, and the waveform of the shallow aperture is J, and the rib '1/I is 111f). t le,.

J3, if the housing 1 is rotated in the opposite direction, a spiral waveform will be formed on the outer peripheral surface of v;1, and a large number of annular dies (3↓3 +11. thingb 'ijJself1; own weight;.

FIGS. 4, 51 and 6 show other embodiments of the present invention, and are similar to those shown in FIG. Annular die 16a, 1 (3 + 1 with the same one ag) + J3 (J le IJJ farl
++MM, NN cut [g1shi, Figure 6 shows small Ji, sea urchin,
The annular die 16a and the annular die 1 (311) are cut on the cutting surface M.
M, NNT: When joined, an annular die 15 whose outer surface has smooth continuous ribs 17a and 17b is formed.

Then, as shown in FIG. 4, the annular die ]b is rotated i'J li in the same manner as in the embodiments of FIGS.
t: An annular rolling bar is attached to the inside of the housing 1 via a ring 18, and a nut is attached to the central axis of the housing 1.
j, and hold the center 111 of the annular die 1b for a predetermined period 1:
(Displaced to A, 1if diagonal rib 171 of rib 17a)
are tilted in the same direction. .

Therefore, to explain the operation when this annular die 1b is installed, the guide cylinder 33 is installed in the rotatable housing 1.
The pipe to be processed 4, which is subjected to constant rapid polishing while being kited, is placed inside the housing 1.
First, a shallow waveform is formed by the rib 17a of the silicon converter chair 15 in the direction of the outer circumference of the tube 4 to be processed, and after IC, a shallow waveform is formed on the rib 171). 1
- (The corrugation of the drawing with a predetermined depth is formed along the (11).Then, the rib '17a and the rib 171) The pipe 4 has a !-j 41 to prevent twisting of the pipe 4.

FIG. 7 shows another example of A\Komyo with jJ<'J6, and is the same as the example of FIGS. 1 to 3 (,11,
For forming a shallow waveform of an annular diaphragm through a rotation +il rlfi l key'' j-shaped housing 1 (,1,l゛:1-shaped roller l\no' link 8). Spiral;
The housing sink 1 is connected to a driving device (not shown) by attaching 14 square ties 11 to each hole of the rib 10.
Concentric il+ with the cannula 2 which is rotated by the grip! 1, the pipe to be processed 71 is axially moved by the Kuwaya 113 installed inside the mantle 2.

C119 is an annular housing, which is rotatably mounted on the end face of the housing '1 at the center 1111+ via a heno' link 29, and driven by the same drive as shown in the figure. The sleeve 20, which is rotated in the opposite direction to the housing 1, is integrally installed on a concentric shaft. 21 is a groove (i+i) provided inside the sleeve 20. A deep aperture ring-shaped waveform is formed in the bit.
j? The 9° 22 that guides the shaft 4 in the direction of the axis Jj is the outer shaft of the two inner cylinders (11) (which is the outer shaft of the two inner cylinders (+I) and the inside of the 'A' mark 20). and through the sleeve 24, the guide tube 21. Francie's cuff 22 and sleeve 72/l are connected to the small hole 1, with the pin old,
'', TS C-t, +< is combined (is. 2 is 1z dew shape) and heno 1 ring is ′A ′, 1f71 n(
2. Inside the housing 19 (the annular rolling bearing link ε) is provided with two shafts 2 (3, etc.), and on the inner circumferential surface there is a deep annular ring with a deep constriction in the outer circumferential direction of the liquid supply space 4. The screws 28 are stepped to the right to form the waveform.

Furthermore, in the ring 4-person tie die 1), the axis (51) is changed to the side 111 with respect to the central axis of the housing 1,
The sub 10hK engages with the upper side of the outer peripheral surface of the pipe to be processed 4, and
-; The center axis of the one-shaped die 28 is aligned with the center axis of the housing 19. When the rib 27 is displaced to the top position C, 13, the liquid is applied II'? It is engaged with the lower side of the outer peripheral surface of l4.

In addition, in order to form an annular waveform, the pitch between the ribs 10 and 27 is determined in advance according to the interval of the predetermined waveform, and the slope is in the opposite direction and the depth of the aperture is responsible. The pitch of the ribs 27 is made smaller than that of the ribs 10, and the shaft 2G provides a spacing at the center 1111 of the housing 19.
1. For adjusting the inclination angle of the annular roller bearing 20.
The annular die 28 and C rotate in opposite directions (at the same speed).

In order to explain the action of this embodiment, the above-mentioned Fig. 1~
Similar to the embodiment shown in Fig. 3, liquid addition? 14 is sent into the housing 1 at a constant il + IFI while being guided by the inner G'tl 3, and is first rotated to the housing 1. 1ζ゛Annular tars 11 attached to 1-shaped rolling heno 7 ring E3
The lead 110 bites into the outer circumferential surface of the pipe 4 to be processed, forming an annular waveform with a shallow constriction at a constant pitch. The rift 27 of the annular ring 28 attached to the 17-shaped rolling bearing 25 that rotates in the moving housing '15] is formed on the rib '1←) to form a waveform.
A constant bit (deep drawing) circular waveform is formed, and it is further wound up by a winder j (not shown) while being guided by a guide 21.

At this time, the annular die 11 and the annular die 28 rotate in opposite directions, and the ribs 10 and 27 are constantly pressed against the tube 4, so the pressure is applied. Twisting is prevented.

Effect of Explanation As stated above, in the present invention, there are 5 and 44 diaphragm hanging tools 1 in the moving housing.
l (I set up a slanted ring one person die.) The opening pipe is set up with a diagonal ring. C1iij Touching the corner II L
Since it is smaller than a tube that is deep drawn, it prevents twisting and bending of the pipe, and creates a corrugated shape. +1. Since the height and width of the peaks are set constant, and the hanging of f161 is relatively small, it is possible to perform addition with the height j*, and there is less vibration and it is possible to direct the production line. Dezaru.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention in which a 634J wave (=ltJ device is cut off [1i, i[E in'i diagram, FIG. 2 1.
1. An annular rolling bearing equipped with an annular die with a shallow drawing shown in Fig. 1...I side view, Fig. 3 shows an annular rolling bearing similar to the one shown above. 11) i-side view of the bear link, Figure 4 (see, Figure 5 is a cutaway front view of the main part of the Figure 4: Main part of the blue front made of ring-shaped tiles.
The I7i side view and the i7!6 view are the same as the I'j
l) Main part of the annular die [a'+il'l100n1,
FIG. 7 (71) Another example of explanation shows the wave f-1'(・Front view of RJi of the v2 part of the device C''. '1... H1xing, 2...・Canal, 3... Inner lobe 1j; 1.4... Liquid addition 2 "Tube, 5... Noranjii"
Collar, 6... Sleeve, 7... Bearing, E3...
Annular rolling bearing, 1o...rib, 11...
Circular dice, '12.12'...Suke, 13...4-person rolling bef 7 links, 1/l...Rizzo, 15.
...Circular die, 16a, i C3b...Circular dozen r, 17a, 17b...Rib, '18...Ku'
1] People around the ring, '19...housing, 20...mantle, 2'1...guidance 1:), 22...
・Francy” color, 23...iql+reception, 24・
...Sleeve, 25...Ipn-shaped rolling pair 7 ring, 26...Pull +, 27...Rib, 2 (3...
13:i A person dice, 29...Bearing. 1'I5'1 Applicant 1'+11+'? valley

Claims (1)

[Claims] Inside a rotatable housing, an annular die with a spiral rib of a required pitch angle for corrugating the inner circumferential surface of the tube is installed, and the central axis of the housing is
114 A pipe characterized by displacing an annular die to the drawing depth of the drum and avoiding pipe waves (=J-ribbing device), in which a plurality of said annular ribs are arranged with different drawing depths and pitches. wave f lily device.