KR200271649Y1 - angles pipe manufacture - Google Patents

Abstract

The present invention relates to a square pipe tube making machine for forming a pipe manufactured by installing a square pipe forming part in a pipe forming line in a square shape, and arranging a plurality of forming rollers in the longitudinal and transverse directions in the cross-sectional shape of the square pipe. A pair of first forming rollers, a pair of transverse forming rollers, a pair of longitudinal forming rollers and a pair of final forming rollers are arranged in a row to pass through a cylindrical pipe between the rollers and gradually deform into square shapes. It is an object of the present invention to provide a square pipe manifold for producing a square pipe.

In addition, the square tube tube machine to arrange the roller bundles in a regular polygonal shape by the number of corners of the regular polygon, and to make a square polygon of a regular polygonal shape having corners as many as the number of rollers by passing a cylindrical pipe successively through the roller bundles. Is to provide.

Description

Angle pipe manufacture {angles pipe manufacture}

The present invention relates to a square pipe tube making machine to form a pipe manufactured by installing a square pipe forming part in a pipe forming line.

More specifically, a plurality of forming rollers are arranged in the longitudinal direction and the transverse direction in the cross-sectional shape of the square pipe, a pair of priming rollers, a pair of transverse forming rollers, a pair of longitudinal forming rollers, and a pair of final forming It is an object of the present invention to provide a rectangular pipe manifold in which rollers are arranged in a row to pass cylindrical pipes between each roller to gradually deform into square shapes to produce a rectangular pipe.

In addition, the square tube tube machine to arrange the roller bundles in a regular polygonal shape by the number of corners of the regular polygon, and to make a square polygon of a regular polygonal shape having corners as many as the number of rollers by passing a cylindrical pipe successively through the roller bundles. Is to provide.

Generally, when manufacturing a square pipe, the band-shaped flat metal sheet is gradually bent and formed to be formed by bending the edges of the metal sheet at a point forming a polygon, and cutting the rectangular pipe by cutting to a certain length. Prepared.

In the method of manufacturing a square pipe as described above, the metal plate of the thick plate could not be processed due to the restriction on the thickness of the pipe, and the edge portion was closed by the bending. This convex protrusion protruded aesthetically.

In addition, the bending portion to be bonded is not airtight, the square pipe produced by processing a thin metal sheet material has a problem that the buckling and bending strength is weak and can not be used for various applications.

The present invention is to provide a further improved square pipe tube to solve the above problems.

The object of the present invention is to provide a square pipe tube machine that can manufacture a square pipe without excessive additional costs by improving a known tube machine.

It is another object of the present invention to provide a square pipe tube for smooth appearance by preventing projections and beads from occurring on the outer surface of the square pipe.

Another object of the present invention is to provide a square pipe tube making machine to manufacture a more rigid square pipe by increasing the strength by manufacturing a metal plate of the thick plate (pipe) as compared to the conventional square pipe.

Still another object of the present invention is to provide an angular pipe tube making machine to manufacture pentagonal, hexagonal, octagonal and octagonal octagonal pipes by replacing only the forming rollers.

Still another object of the present invention is to provide an angular pipe tube adjuster which can manufacture pentagonal, hexagonal, octagonal and octagonal octagonal pipes by easily replacing and mounting a partition plate on which roller bundles are fixed.

1 is a manufacturing process diagram of a cylindrical pipe manufactured by a general tube.

2 is a square pipe manufactured by a square pipe tube according to the present invention

Manufacturing process chart.

Figures 3a to 3d is the main part of the prismatic square pipe tube of the present invention

Schematic front view showing an excerpt from a pipe forming part.

4 is a main pipe of the main part in the square pipe tube of the present invention

Perspective view showing a molded part of another embodiment.

5 is an exploded perspective view showing a main configuration of the square pipe forming unit shown in FIG.

6A-6D are for forming pentagonal, hexagonal, heptagonal and octagonal pipes.

Front view of the square pipe forming part.

7 shows a process of deforming to a rectangular pipe according to the forming process of the rectangular pipe

Example of cross section shown.

8 is a square pipe manufactured by the square pipe tube according to the present invention

Front view shown.

9 is another embodiment of the square pipe tube according to the present invention of the square pipe

Example of cross section showing the process of transforming into square pipe according to forming process.

10 is produced by the square pipe tube is another embodiment of the present invention

Front view showing a square pipe

Explanation of symbols on the main parts of the drawings

A: Uncoupler B: Pinch Roll

C: Hoop cage D: Leveler

E: Forming F: Welding

G: Cooling H: Sizing

I: Cut-Off J: Transfer

K, K-1: square pipe forming part

1: first molding part 2: second molding part 3: third molding part

4: base 5, 6, 7: body 8: bandal key

9: set screw 10: mounting hole 11: fastener

12: Female thread 13: Partition plate 14: Distribution hole

15a: inner mounting hole 15b: outer mounting hole 16: fastening hole

17: Bolt 20: Roller Bundle

21: Plate 22: Diagonal bracket

23a: inner bolt rod 23b: outer bolt rod

24a: concave roller 24b: flat roller 24c: convex roller

40, 50, 60, 70: first forming roller 41, 51, 61, 71: horizontal forming roller

42, 52, 62, 72: Longitudinal molding roller 43, 53, 63, 73: Finishing molding roller

The above objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1 is a manufacturing process diagram of a cylindrical pipe manufactured by a general pipe manifold, and FIG. 2 is a manufacturing process diagram of a square pipe manufactured by a square pipe manifold according to the present invention, and FIGS. 3A to 3D are rectangular pipes of the present invention. Figure 4 is a schematic front view showing an extract of a square pipe forming the main recess in the tube, Figure 4 is a perspective view showing another example of a square pipe forming the main recess in the square pipe tube of the present invention, Figure 5 is a Figure 6a to 6d is an exploded perspective view showing the main structure of the rectangular pipe forming portion shown, Figure 6a to 6d is a front view of a square pipe forming part for forming a pentagonal, hexagonal, heptagonal and octagonal pipe, Figure 7 is a square according to the forming process of the rectangular pipe FIG. 8 is a cross-sectional view illustrating a process of deforming to a pipe, and FIG. 8 illustrates a square pipe tube according to the present invention. Figure 9 is a front view showing a manufactured square pipe, Figure 9 is a cross-sectional view showing a process of transforming the square pipe according to the forming process of the square pipe in another embodiment of the square pipe tube according to the present invention, Figure 10 Another embodiment of the front view showing a square pipe manufactured by the square pipe tube.

Figure 1 is a cylindrical manufacturing process showing a general tube, the metal plate is formed in a cylindrical shape to weld the edge portion, cut to a certain length.

That is, an uncoupler (A) for releasing and supplying the coiled metal sheet material, a pinch roll (B) for lifting a metal sheet released from the coiler (A), and the pinch roll (B). ) Hoop cage (C) for applying flexibility to the metal plate passed through the) and leveler (D) and flat part for flattening the surface of the metal plate passing through the hoop cage (C) Forming part (E) for gradually forming a cylindrical shape by passing a plurality of rollers through (D) and a plurality of rollers, and the cylindrical shaped metal plate is heated and welded by high frequency induction heating to form a cylindrical pipe. Welding part (F) to be formed and a straightening part (Sizing: H) for straightening the cylindrical pipe welded by the welding part (F) and a cutter (Cutter), grinding machine and holding means integrally provided in one direction To transfer the cylindrical pipe Consists of a conveying part (J) for packing and transporting the cut cylindrical pipe by: (I Cut-Off) and the cutting unit (I) as transferred to the same constant speed cutting for cutting a cylindrical pipe with a length.

The cylindrical pipe tube was made to manufacture only a cylindrical pipe, there was a problem that can not produce a special square tube.

The tuber according to the present invention is an improvement of the general tuber shown in FIG. 1. In particular, the straightening part H is improved to a square pipe forming part K (K-1) to form a pentagonal, hexagonal, octagonal, and octagonal shape. It is the main feature to be able to manufacture pipes.

2 is a view illustrating a process of manufacturing a square pipe by a tube according to the present invention. The same reference numerals are given to the same parts as those of the general tube shown in FIG. 1, and detailed description thereof will be omitted.

The tube maker according to the present invention is a winding machine (A), pinch roll (B), hoop cage (C), flat part (D), forming part (E), welding part (F), cooling part (G), square pipe forming It consists of the part K (K-1), the cutting part I, and the conveying part J, and the other structure other than the said square pipe shaping | molding part K is the same as the structure of the piping machine of FIG. Only the square pipe molding part K (K-1) is demonstrated.

The square pipe forming portion K is formed between the weld portion F, the cooling portion G, and the cut portion I to form a cylindrical pipe that is continuously transported into a square shape. As shown in FIG. 3D, a pair of priming rollers 40, 50, 60, 70, a pair of transverse forming rollers 41, 51, 61, 71, and a pair of longitudinal forming The cylindrical pipes were sequentially passed through the rollers 42, 52, 62, 72 and the pair of final forming rollers 43, 53, 63, 73 so as to be gradually formed into respective shapes. When passing through the final forming rollers 43, 53, 63, 73 is to be able to manufacture a polygonal square pipe.

The pair of priming rollers 40, 50, 60, 70 is formed in the shape of the outer half of the center of the polygon, but each surface is concave to form the priming rollers 40, 50, 60 The pipe passed through 70 was formed into a round polygon shape.

The pair of horizontal axis forming rollers 41, 51, 61, and 71 are mounted at right angles to the axes of the pair of priming rollers 40, 50, 60, and 70, and have a roller shape. Was formed to be somewhat similar to the square than the shape of the pair of priming rollers (40, 50, 60, 70).

The pair of longitudinal shaping rollers 42, 52, 62 and 72 are mounted to be perpendicular to the axes of the pair of transverse shaping rollers 41, 51, 61 and 71, and have a roller shape. Is formed to be somewhat similar to the square shape than the shape of the pair of horizontal axis forming rollers (41, 51, 61, 71).

The pair of final forming rollers 43, 53, 63 and 73 are mounted to be perpendicular to the axes of the pair of longitudinal forming rollers 42, 52, 62 and 72, and have a roller shape. Is formed in a perfect polygonal shape, each inner surface may be formed convex.

The space between the rollers in the pair of priming rollers 40, the pair of transverse forming rollers 41, the pair of longitudinal shaping rollers 42, and the pair of final forming rollers 43 is in a pentagonal shape. Formed.

In addition, the space between the rollers in the pair of the primary forming roller 50, the pair of transverse forming rollers 51, the pair of longitudinal forming rollers 52 and the pair of final forming rollers 53 are hexagonal It was formed into a shape.

In addition, the space between the rollers in each of the pair of priming rollers 60, a pair of transverse forming rollers 61, a pair of longitudinal forming rollers 62, and a pair of final forming rollers 63 is a hexahedral shape. It was formed into a shape.

In addition, the octagonal shape is formed between the rollers in the pair of primary forming rollers 70, the pair of transverse forming rollers 71, the pair of longitudinal forming rollers 72, and the pair of final forming rollers 73. Formed.

In addition, although not shown in the drawings in detail. A pair of first forming rollers 40, 50, 60, 70, a pair of horizontal forming rollers 41, 51, 61, 71, a pair of longitudinal forming rollers 42, 52 In (62) (72) and a pair of final forming rollers (43) (53) (63) (73), an annular protrusion can be formed on one side of the roller.

Referring to the operation of the embodiment according to the present invention as follows.

When the pipe is molded into a cylindrical pipe by the tube pipe line and enters the square pipe forming part K, the cylindrical pipe is deformed into a polygonal shape in a pair of priming rollers 40, 50, 60 and 70. It is molded in a rough state, and again, a pair of transverse forming rollers 41, 51, 61, 71, a pair of longitudinal forming rollers 42, 52, 62, 72 and a pair of When passing through the final forming rollers (43, 53, 63, 73) gradually to the shape of each shape to pass through the final forming rollers (43, 53, 63, 73) is shown in FIG. As described above, a polygonal pipe is manufactured.

Figure 4 shows another embodiment of the square pipe forming part (K-1) of the present invention, the cylindrical pipe is installed between the welded portion (F) and the cooling portion (G) and the cut portion (I) is a rectangular shape The first molding part 1, the second molding part, and the third molding part are formed in one row on the upper side of the base 4.

The first, second, and third molded parts (1) (2) (3) is formed by arranging the roller bundle (20) in a polygonal arrangement on each of the body (5), (6), (7) roller bundle (20) By changing the shape of the roller to be mounted on the), the cylindrical pipe is to be formed into a square pipe while sequentially passing through the first, second, and third molded parts (1) (2) and (3).

As shown in FIG. 5, a circular mounting hole 10 is formed at the center of the body 5, 6, and 7, and a vandal key 8 is set at one inner surface of the mounting hole 10. It is fixedly mounted with a screw (9), a plurality of fastening pieces (11) are formed on the inside of the mounting hole (10) in the rear direction of the body (5) (6), (7), and the fastening pieces (11) with a female screw ( 12) was formed.

In the mounting hole 10, the partition plate 13 mounted with the roller bundle 20 is mounted. The partition plate 13 is formed in a disk shape, and the face plate 8a is formed at one side of the outer circumference thereof. A distribution hole 14 is formed at the inner side, and the inner mounting hole 15a and the outer mounting hole 15b are formed in a circular array as many as the corners of the polygon, and the inner mounting hole 15a and the outer mounting hole 15b are formed. Silver is arranged in the radiation direction from the center, and forms a mounting hole 16 in a position corresponding to the female screw 12 of the body (5), (6) and (7), the mounting hole (16) to accommodate the bolt head Stepped to be formed.

The roller bundle 20 is formed integrally to open the dish-shaped bracket 22 on one side of the plate 21 of the rectangular plate shape to the outside, the roller is mounted on the dish-shaped bracket 22, the plate Two bolt rods are formed on the rear surface of the 21, and the center distance between the inner bolt rod 23a and the outer bolt rod 23b is the inner mounting hole 15a and the outer mounting hole 15b of the partition plate 13. It was formed equal to the center distance of.

The roller of the roller bundle 20 is equipped with a different roller for each molding machine as shown in Figure 7 and 9 attached to the roller of the roller bundle 20 mounted on the first molding machine 1 is a concave roller The roller of the roller bundle 20 mounted thereon and mounted on the second secondary molding machine 2 is equipped with the flat roller 24b and the roller bundle 20 mounted on the third secondary molding machine 3. The roller mounted the convex roller 24c.

The widths of the concave rollers 24a, flat rollers 24b and convex rollers 24c are formed so as to be equal to the edge widths L1, L2, L3, L4 of the square pipes formed as shown in FIG. It was.

Hereinafter, the operation of the embodiment will be described with reference to FIGS. 4 to 7 and 9.

For example, when manufacturing a pentagon-shaped pipe, as shown in FIGS. 4 and 5A, five roller bundles 20 are used in a circular arrangement on a partition plate 13, and an inner bolt rod of the roller bundle 20 is used. 23a is inserted into the inner mounting hole 51a, and the outer bolt rod 23b is fitted into the outer mounting hole 15b to fasten and fix the nut on the rear side of the partition plate 13.

The partition plate 13 with the roller bundle 20 mounted thereon is fixed to the body 5, 6, and 7 by the planar portion 8a of the partition plate 13 of the vandal key 8. The mounting hole 16 of the partition plate 13 and the female screw 12 of the bodies 5, 6, and 7 are aligned so as to be in contact with the surface, and the mounting hole 16 has a normal hexagonal head. The attaching bolt 17 is inserted to fasten to the female screw 12 of the bodies 5, 6, and 7 to mount the partition plate 13 to the bodies 5, 6, and 7.

In addition, when manufacturing a hexagonal square pipe, as shown in FIG. 6B, the roller bundle 20 was arranged in a hexagonal shape on the partition plate 13a to be fixedly mounted, and to manufacture a hexagonal square pipe. As shown in FIG. 6C, the roller bundle 20 was fixedly mounted on the partition plate 13b in a octagonal shape, and when manufacturing an octagonal square pipe, the roller bundle 20 was illustrated in FIG. 6D. Was arranged in a partition plate (13c) in an octagonal shape and fixed.

However, each of the partition plates 13, 13a, 13b, and 13c is formed at equal intervals in the number of inner mounting holes 15a and outer mounting holes 15b according to the shape of the square to be manufactured. will be.

In addition, the female screws 12 of the bodies 5, 6, and 7 formed five at boiling intervals, and four mounting holes 16 formed in the partition plates 13, 13a, 13b, and 13c. ) Was formed at a boiling interval, except that the mounting hole 16 and the outer mounting hole (15b) overlap the remaining four places were always matched to be able to tighten the four bolts.

9 is a view showing another embodiment of the tube tube, the annular projection 30 is formed on some of the rollers in the roller bundle 20, and as shown in FIG. 10, a groove groove (groove) on one side of the square as shown in FIG. ) To increase the bending strength of the square pipe or to add aesthetic aesthetics.

Pipe material formed of a cylindrical pipe passing through the welding portion (F) and the cooling portion (G) in the production line of the tube pipe is made of a square pipe in the square pipe forming portion (K-1). That is, while gradually passing through the first molding machine 1, the second molding machine 2, and the third molding machine 3 mounted on the square pipe forming part K-1, the third molding machine 3 The pipe passing through) is shaped into a complete square pipe, cut at the cut portion (I), and conveyed by the transfer portion (J).

In the first molding machine 1, the pipe passing through the concave roller 24a while contacting the concave roller 24a by mounting the concave roller 24a as shown in FIG. 7 (a) is formed into a square square pipe. As it passes through the secondary molding machine 2, it is in contact with the flat roller 24b, and thus has a rectangular shape. As it passes through the third molding machine 3, it is in contact with the convex roller 24c, so that the surface portion of the square pipe is concave. .

Each surface is concavely formed through the third molding machine 3, but the metal has elasticity, and when it exits the third molding machine 3 completely, it is restored to form a square pipe.

Although the present invention has been described in detail only with respect to the specific examples described, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention, and are arranged in the pentagonal, hexagonal, hexagonal and octagonal shapes on the divider 13. It is included in the utility model registration claim to which such modifications and modifications are attached, such that the mounting hole is integrally formed, and the roller position of the roller bundle 20 is fixed to the plate by forming a bolt shaft on the bracket so that the length can be adjusted. Is natural.

The pipe manifold according to the present invention is capable of manufacturing a square pipe by adding only the square pipe forming portion (K) (K-1) in the line of the pipe which is generally used, and the configuration of the square pipe molding portion (K) is extremely simple. It is easy to install because the burden of additional costs due to the manufacture of the pipe is small.

In addition, the manufactured square pipe can be used as a rigid structure with high buckling and bending strength by processing the metal plate of the thick plate (厚板) than the square pipe produced by the conventional bending method.

In addition, it is possible to use a wider variety of applications by adding a small number of elements by manufacturing a square pipe in the form of pentagonal, hexagonal, hexagonal and octagonal by removing the shape of a conventional circular or square.

In addition, the size of the square pipe to be manufactured is manufactured by passing between a pair of forming rollers of a somewhat small size, and if the size is rather large, the roller bundles are arranged in a polygonal shape so that each surface is formed by the forming rollers of the roller bundles. It is possible to manufacture a square pipe manufactured in various sizes.

Claims (8)

Winding machine (A), pinch roll (B), hoop cage (C), flat part (D), forming part (E), welding part (F), cooling part (G), straightening part (H), cutting part (I) ) And the pipe joint machine consisting of a conveying part (J), The square is characterized in that the straight pipe forming portion K (K-1) is provided to remove the straightening portion H and to form the cylindrical pipe gradually in a square on the line of the straightening portion H. Pipe lancer. The method according to claim 1, wherein the square pipe forming portion (K) is a pair of priming rollers (40) (50) (60) (70), a pair of pairs forming the space between a pair of opposing rollers in a polygonal shape Horizontal shaping rollers 41, 51, 61, 71, a pair of longitudinal shaping rollers 42, 52, 62, 72 and a pair of final forming rollers 43, 53, 63 The cylindrical pipes are sequentially passed through 73 so as to be gradually formed into respective shapes, and when the final forming rollers 43, 53, 63 and 73 are passed through, they are manufactured as square pipes. Square pipe manifold. The space between the respective rollers in the pair of priming rollers (40), the pair of transverse rollers (41), the pair of longitudinal rollers (42), and the pair of final rollers (43). Form a pentagon, The space between the rollers is formed in a hexagonal shape in the pair of first forming rollers 50, the pair of transverse forming rollers 51, the pair of longitudinal forming rollers 52, and the pair of final forming rollers 53. , The spaces between the rollers in the pair of the primary forming rollers 60, the pair of transverse forming rollers 61, the pair of longitudinal forming rollers 62, and the pair of final forming rollers 63 are formed in a hexagonal shape. and, In the pair of first forming rollers 70, the pair of transverse forming rollers 71, the pair of longitudinal forming rollers 72, and the pair of final forming rollers 73, each roller is formed in an octagonal shape. Square pipe pipe chin, characterized in that. The method according to claim 2, wherein the pair of priming rollers 40, 50, 60, 70, a pair of transverse forming rollers 41, 51, 61, 71, a pair of longitudinal forming rollers ( 42) (52) (62) (72) and a pair of final forming rollers (43) (53) (63) (73) protruding to form an annular protrusion on one side of the roller. The method according to claim 1, wherein the square pipe forming portion (K-1) is a primary pipe, secondary and tertiary characteristics such that the circular pipe is sequentially passed between the rollers of the roller bundle 20 arranged in a square (square) With the molds (1) (2) (3) mounted in a row and mounted on the base (4), The first, second and third molded parts (1) (2) and (3) are fastened and fixed so as to mount or detach the divider plate 13, respectively, and are mounted on the respective divider plate 13 The roller of the roller bundle 20, the square pipe tube, characterized in that comprising a concave roller (24a), flat roller (24b) and convex roller (24c). The method according to claim 5, wherein the primary, secondary and tertiary molded parts (1) (2) (3), a circular mounting hole 10 in the center of the body (5) (6) (7) And a vandal key 8 is fixed to the lower side of the mounting hole 10, and a plurality of fastening pieces 11 are formed to protrude inwardly on the rear side of the mounting hole 10, and a female screw is attached to the fastening piece 11. Formed 12, The mounting hole 10 is equipped with a divider plate 13, 13a, 13b, 13c, but forms a planar portion 8a on one side of the outer circumferential surface, and forms a distribution hole 14 in the center, The inner mounting hole 15a and the outer mounting hole 15b are formed in the radiation direction, but the inner mounting hole 15a and the outer mounting hole 15b are formed by the number of corners of the polygon, The roller bundle 20 has an inner bolt rod 23a and an outer bolt rod at a position corresponding to the pair of inner mounting holes 15a and outer mounting holes 15b on a rear surface of the plate 21 having a rectangular plate shape. (23b), the front surface of the dish-shaped bracket 22 is integrally formed, the roller is mounted on the dish bracket 22, the roller of the first shaping portion (1) is equipped with a concave roller (24a), The roller of the 2nd shaping part 2 mounts the flat roller 24b, and the roller of the 3rd shaping part 3 mounts the convex roller 24c. The female screw 12 of the said body 5, 6, 7 is formed in the partition board 13, 13a, 13b, 13c in 4, and is formed in the partition board 13, 13a, 13b, 13c. The two mounting holes 16 are formed at boiling intervals, except that the mounting holes 16 and the outer mounting holes 15b overlap with each other so that the remaining four positions are always matched to the bodies 5, 6, and 7. Regardless of which partition plate 13, 13a, 13b, or 13c is mounted, four bolts can be tightened, and the facets 8a of the partition plate 13, 13a, 13b, and 13c are (5) (6) (7) so as to be in contact with the vandal key (8) provided in the mounting hole (10) so that the partition plates (13) (13a) (13b) and (13c) can always be mounted in a constant direction. Square pipe tube is characterized in that. The square pipe tube machine according to claim 5, wherein the annular projection (30) is formed to protrude from the concave roller (24a), the flat roller (24b), and the convex roller (24c) attached to the roller bundle (20).