JP2021509089A - An embossed pipe manufacturing device that facilitates welding of both sides of an embossed metal plate and an embossed pipe manufacturing method using this - Google Patents

Abstract

An uncoiler that provides a flat metal plate, a centering guide roller that guides the flat metal plate supplied from the uncoiler to a subsequent embossing machine, and a flat metal plate supplied via the centering guide roller are embossed and embossed metal. An embossing machine that forms a plate and an embossed pipe that has a welded seam in the length direction are manufactured through a curved and circularized process of the embossed metal plate supplied from the embossing machine, and the manufactured embossed pipe is welded. The first step of supplying a flat metal plate to the embossing machine via a centering guide roller, supplied from an embossed pipe manufacturing device including a pipe making machine that welds seams to complete an embossed pipe, and an uncoiler, and the above. The second step of embossing a flat metal plate using an embossing mold roller of an embossing machine to form an embossed metal plate, and supplying the embossed metal plate to a pipe making machine to make it curved and circularized. Provided is an embossed pipe manufacturing method including a third step of manufacturing an embossed pipe having a welded seam in the longitudinal direction and welding the welded seam of the embossed pipe to complete the embossed pipe. [Selection diagram] Fig. 1

Description

The present invention relates to an embossed pipe manufacturing apparatus that facilitates welding of both side surfaces of an embossed metal plate, and an embossed pipe manufacturing method using the same.

More specifically, an uncoiler that provides a flat metal plate, a centering guide roller that guides the flat metal plate supplied from the uncoiler to a subsequent embossing machine, and a flat metal plate supplied via the centering guide roller are embossed. An embossing machine that is processed and formed into an embossed metal plate, and an embossed pipe having a welded seam in the length direction are manufactured through a curved and circularized process of the embossed metal plate supplied from the embossing machine. An embossed pipe manufacturing device that includes a pipe making machine that completes the embossed pipe by welding the welded seams of the embossed pipe, and a flat metal plate supplied from the uncoiler to the embossing machine via a centering guide roller. The first step, the second step of embossing the flat metal plate using the embossing mold roller of the embossing machine to form the embossed metal plate, and the second step of supplying the embossed metal plate to the pipe making machine to form a curved surface. The present invention relates to an embossed pipe manufacturing method including a third step of manufacturing an embossed pipe having a welded seam in the length direction through a circularization process and welding the welded seam of the embossed pipe to complete the embossed pipe. When trying to weld a seam after molding an embossed pipe using an embossed metal plate, it solves the problem that welding is impossible due to the mismatch of the seam due to the curved surface of the unevenness, and at the same time minimizes the residue of the seam. A cleanly finished embossed pipe is provided by preventing the residue of the seam from appearing to the outside.

For the metal pipe, a metal pipe obtained by extruding molten metal and a metal flat plate are used to make a curved surface with a pipe making machine, and the pipe is formed through a circularization step, and the sides connected in the length direction are matched. There is a metal pipe with a seam formed by welding.

The former is a thick metal pipe with pressure resistance, and is used for various purposes such as water pipes, sewage pipes, oil pipes, high-pressure gas pipes, liquid reactant transfer pipes in chemical factories, oil supply pipes, and electric wire pipes. It is used in large quantities.

Since the thickness of the pipe is relatively thin, the latter is weaker than the metal pipe produced by the extrusion method in terms of bearing capacity and strength, and is mainly used for decorative purposes such as indoor balustrades and streetlight stanchions. .. Moreover, it has not reached the former metal pipe in terms of application and demand.

The above-mentioned metal pipes are used for the above-mentioned applications, but as the processing technology of the metal pipes is improved, the applications are diversified and the demand is increasing. Along with this, the demand for embossed pipes in the technical field is increasing along with the improvement of processing technology.

Speaking of the prior art of embossed pipes, a pipe in which a colored metal such as nickel is partially plated and patterned on the surface of a metal pipe having a smooth surface, a pipe in which a pattern is formed by plasma ion deposition with titanium oxide, Pipes that have been patterned by an etching method, metal pipes that have been patterned and embossed by mechanical cutting, etc. are on sale.
Among the processing techniques added to these metal pipes, known techniques in the field of embossed metal pipes related to the present invention will be described.

In the'metal pipe pattern forming machine'of Patent Document 1, when the plunger moves backward, the internal mold installed in the housing is pushed by the plunger and moves to the inner peripheral surface side of the metal pipe. As a result, the metal located between the inner mold and the outer mold while the positive pattern processed on the outer peripheral surface of the inner mold meshes with the inscribed pattern processed on the inner peripheral surface of the outer mold. An embossing technique for forming a character pattern on the surface of a pipe is disclosed.

In the'metal pipe embossing protrusion forming apparatus'of Patent Document 2, a moving fixing base installed and fixed in the center of the frame and a left and right moving fixing base installed and fixed in the frame are connected to the rear side of each. A cylindrical casing having a plurality of circular casing through holes is formed by moving and matching the inside of the plurality of circular casings by each of the first moving force generating members, and a metal pipe is placed in the cylindrical casing. After pressing and fixing so that they are in close contact with each other, a pipe-shaped core in which punching is attached to a plurality of through holes drilled in the circumferential surface of the pipe is pushed and attached so as to be in close contact with the inside of the metal pipe. However, the casing through hole formed on the inner surface of the cylindrical casing and the large diameter core through hole formed on the outer surface of the core are mounted and fixed so as to coincide with each other, and are equal to the inner diameter of the core and the front end is circular. It is formed in a weight shape, and while pushing the plunger whose body is a sealed body with strong pressure from the cylinder of the second moving force generating member, the cylindrical inclined surface at the front end of the plunger makes the diameter small. By pushing up the lower end curved part of the punch small diameter part that protrudes inward from the through hole vertically upward, the punch of the dome-shaped large diameter part that is integrated with the small diameter part is also formed on the inner surface of the casing. A method for forming an embossed protrusion of a metal pipe, which forms a large number of protrusions on the pipe by being pushed up toward a through hole and causing a curved protrusion on the pipe surface, is disclosed.

The'improved structure pipe embossing apparatus'of Patent Document 3 includes a cylinder portion composed of a cylinder operated by pneumatic pressure and a piston operated by the cylinder, and an embossed molding protrusion formed on the tip of the piston. A technology related to a device that forms a circular groove in a metal pipe by hitting an embossed protrusion with pneumatic pressure from a position at regular intervals in the direction perpendicular to the center line of the metal pipe with multiple cylinders of the device composed of It is disclosed.

In these conventional techniques, the pattern formed on the surface of the metal pipe is significantly inferior in delicacy and sophistication, and the manufacturing equipment is also equipped with a smooth-surfaced metal pipe cut to a certain length in the manufacturing equipment in one step to 5 steps. It is a method of forming an embossed pipe after forming an embossed pipe by operating it in stages or in 1 to 6 stages, and since it is not a continuous method, productivity is lowered and mass production is impossible, and the production cost is also high.
Moreover, the pipe in which a circular groove is formed on the metal pipe is also simple because the embossed pattern is neither delicate nor delicate.

In addition, as a technique relating to an apparatus for embossing the outer peripheral surface of a pipe as described above, Patent Document 4'a rhombus-forming mold on the outer peripheral edge of the pipe and a molding method using the same', and Patent Document 5's'pipe The technology for'wrinkle forming equipment'has been disclosed.

As explained above, the embossed pipes currently in use are manufactured not by the pipe making machine but by the above-mentioned equipment, and the manufacturers that manufacture the embossed pipes by using the pipe making machine from the past to the present are in Korea. Of course, I can't find an example overseas.

A problem to be solved until completion is devised by devising the present invention of manufacturing an embossed pipe from a metal plate embossed on both sides by using a pipe making machine for manufacturing a circular metal pipe having a smooth surface with a metal flat plate. There were many.

Generally, the thickness of a metal plate such as a stainless steel plate used for embossing is in the range of 0.5 to 5 mm, but if it becomes thicker than 5 mm, a great deal of power is required and the embossing is performed. However, only the general shape appears, and the delicate part of the pattern does not appear.

When the thickness is as low as less than 0.5 mm, the delicate pattern appears correctly, but the thickness of the embossed pattern is too thin and the pressure resistance is weak. Moreover, although there may be differences depending on the degree of embossing, deepening the embossing seriously reduced the thickness to half of the original thickness, and in the process of passing through the curved and circular rollers of the pipe making machine, it became thinner. A phenomenon occurs in which the embossed handle is crushed or the embossed handle is pushed in the opposite direction to the progress, and a defective pipe is obtained.

In addition, if a metal plate such as a stainless steel plate is embossed with an embossed roller that can be embossed on both sides, an embossed pattern will be formed, and the ends of the embossed stainless steel plate in the length direction and width direction will be curved. However, it is practically impossible to weld the curved end portion and the curved end end formed in this way so as to be mutually coincident with each other.

Even if the curved surfaces on both sides are matched by embossing with an accurately designed yin-yang engraved roller, multiple male-female meshing curved rollers and symmetrical meshing circularity installed in the pipe making machine during the production of the embossed pipe. Deformation occurs in the height of the embossed pattern while passing through the rollers.

In particular, due to the imbalance of rolling in the meshing curved roller and the non-uniformity of the shearing force in the length direction of the embossed stainless steel plate, a difference occurs in the extension of the embossed stainless steel plate in the length direction, and the curved surface due to the pattern has a height and a difference. Since the contacts are offset in the length direction, gap pores are generated at the seams when welding by argon welding of the material itself, and watertightness and airtightness cannot be ensured, and welding marks are formed on the surface of the pattern. Is conspicuous, and an embossed pipe with no commercial value can be obtained.

In addition, the embossed pipes on the outer peripheral surface of the metal pipes not only have a simple embossed pattern, but also cannot form a delicate and delicate embossed pattern, and metal pipes cut to a certain length are cut one by one. It is extremely inefficient because it is a device that is attached and embossed on the outer peripheral surface of the pipe.

The present invention has solved the problem of the embossed metal pipe manufacturing apparatus to complete an embossed pipe having an efficient but delicate and delicate embossed pattern using a pipe making machine.

In connection with the present invention, when an embossed pipe is manufactured by a pipe making machine using an embossed metal plate, it takes a long time to complete the pipe, and an unexpected problem arises. Therefore, we solved these problems one by one and finally achieved the completed embossed metal pipe.

One of the above-mentioned problems is that when a metal flat plate is passed through a pipe making machine, a high-pressure male-female meshing curved surface is formed on the metal plate in the process of passing between the male-female meshing curved rollers installed horizontally and vertically. Roller pressure acts to form a curved surface while causing plastic deformation.
On the other hand, in the case of the embossed metal plate, the embossed pattern has an apparent volume equivalent to twice the thickness of the metal plate before the embossing.

As a specific example, if a metal plate of 0.5 mm and 1 mm before embossing is used, a space is formed while the height from the protruding portion of the embossed pattern to the bottom surface is 1 mm and 2 mm. When manufacturing an embossed metal pipe using a metal plate, the original shape of the embossed pattern is not maintained and easily collapses during the process of the embossed metal plate passing through the meshing male and female rollers of the pipe making machine. It is necessary to accurately adjust the gap between the meshing circular male and female rollers according to the degree of embossing.

Further, when the gap between the meshing circular male and female rollers is narrow and the pressure is high, the deformation of the embossed pattern increases, and at the same time, the width of the embossed metal plate becomes wide. May overlap, and if the gap adjustment becomes wide, the curved surface cannot be smoothly achieved.

Another problem lies in the seams formed in the length direction of the embossed metal pipe. That is, when an embossed pipe is manufactured from an embossed metal plate using a pipe making machine, there is a problem that it is practically impossible to weld a seam formed in the length direction of the embossed pipe.
To summarize the above contents,

When manufacturing an embossed pipe with a pipe making machine, when an embossed metal plate or embossed metal band processed by an embossed roller with an engraved meshing with very accurate dimensional stability is passed through the pipe making machine, it is used for curved surface formation. In the process of passing through a horizontal male-female meshing roller made of high-strength metal material and a symmetrical roller that meshes horizontally and vertically to form a pipe into a circle, the embossed pattern on the embossed metal plate that has become relatively thin due to the embossing process is deformed. There is a difference in the height of the embossed handle, and in the length direction, the length of the embossed handle in the length direction varies due to the difference in the pressing force due to the meshing of the rollers and the difference in the rotational shearing force. Welding was not possible due to loosening and misalignment in the height and length of the corresponding embossed handle.

Even if welding is performed, innumerable gaps and fine holes are formed in the welded seam, and the watertightness and airtightness of the seam cannot be ensured. Since it contaminates the surface of the embossed pattern, it loses its value as a commercial product.

Means that can solve such a problem are an embossed pipe manufacturing apparatus that facilitates welding of both side surfaces of an embossed metal plate presented in the present invention, and an embossed pipe manufacturing method using the same.

Republic of Korea Registered Patent No. 10-1611572 (Registration date 2016.04.05) Republic of Korea Registered Patent No. 10-404895 (Registration date 2003.10.28) Republic of Korea Registered Patent No. 10-1399231 (Registration date 2014.05.19) Republic of Korea Registered Patent No. 10-1017890 (Registration date 2011.02.21) Republic of Korea Registered Patent No. 10-1604011 (Registration date 2016.03.10)

The present invention is an invention for solving the above-mentioned problems of the prior art, and is a deformation caused by a phenomenon that the embossed handle is crushed or pushed when manufacturing an embossed pipe from an embossed metal plate using a normal pipe making machine. When trying to weld the seam after forming an embossed pipe using an embossed metal plate that forms an uneven curved surface by embossing, to solve the dimensional instability due to the width extension of the embossed metal plate. We provide an embossed pipe that solves the problem that welding is not possible due to the mismatch of the seams due to the curved surface of the unevenness, minimizes the residue of the seam, and at the same time cleanly finishes the seam so that the residue does not appear on the outside. Provided is an embossed pipe manufacturing apparatus capable of facilitating welding of both side surfaces of an embossed metal plate, and an embossed pipe manufacturing method using the same.

Further, by making it possible to directly form an inclined surface with an embossing roller for preventing thinning of the seam and forming a V-shaped groove, it is possible to provide an embossed pipe in which a delicate and delicate embossed pattern is formed, and it is continuous. An embossed pipe manufacturing device that facilitates the welding of both sides of an embossed metal plate, which can maximize productivity by combining a negative and positive meshing embossing roller with repetitive characteristics and an ordinary pipe making machine, and embossing using this. Provide a pipe manufacturing method.

In order to achieve the above object, the present invention
With an uncoiler that provides a flat metal plate,
A centering guide roller that guides the flat metal plate supplied from the uncoiler to the subsequent embossing machine, and
An embossing machine that embosses a flat metal plate supplied via the centering guide roller to form an embossed metal plate.
An embossed pipe having a welded seam in the length direction is manufactured through a curved and circularized process of the embossed metal plate supplied from the embossing machine, and the welded seam of the manufactured embossed pipe is welded to the embossed pipe. It consists of a pipe making machine that completes the
The embossing machine includes an embossing mold roller configured so that an upper roller having an engraved embossing pattern and a lower roller having an engraved embossing pattern mesh with each other to rotate.
A frame portion that supports the embossed mold roller while forming an exoskeleton,
It includes a hydraulic cylinder installed at the upper end of the frame portion.
The upper roller is a roller body and
A rotating shaft installed in the center of both side surfaces of the roller body,
An engraved embossed pattern portion formed on the surface of the roller body and
It includes a first left and right end portion formed along both side edges of the roller body below the embossed pattern portion of the engraving.
The lower roller is a roller body and
A rotation shaft formed in the center of both side surfaces of the roller body,
An inscribed embossed pattern formed on the surface of the roller body and
Manufacture of an embossed pipe using an embossed metal plate, comprising a second left and right end portions formed higher than the embossed pattern portion of the inscription along both side edges of the roller body. Provide the device.

In addition, the manufacturing process of the embossed pipe using the manufacturing apparatus is
The first stage, which is supplied from the uncoiler and supplies the flat metal plate to the embossing machine via the centering guide roller,
The second step of embossing the flat metal plate using an embossing die roller of an embossing machine to form an embossed metal plate, and
The embossed metal plate is supplied to a pipe making machine to manufacture an embossed pipe having a welded seam in the length direction through a curved and circularized process, and the welded seam of the embossed pipe is welded to complete the embossed pipe. Including the third stage and
The entire surface of the embossed metal plate has an embossed structure, but both sides of the embossed metal plate come into contact with each other due to the curved and circularized process of the pipe making machine by forming a narrow flat surface on both sides, and a V-shaped groove is formed. Provided is an embossed pipe manufacturing method using an embossed metal plate, characterized in that an embossed pipe is completed by forming a welded seam portion having a structure and melting and fusing the V-shaped groove by welding.

The embossed pipe manufacturing apparatus using the embossed metal plate and the embossed pipe manufacturing method using the embossed metal plate according to the present invention have the following effects.

First, it is possible to prevent the problem of deformation caused by the phenomenon that the embossed handle is crushed or pushed when the embossed pipe is manufactured from the embossed metal plate using a normal pipe making machine.

Second, when trying to solve the dimensional instability due to the expansion of the width of the embossed metal plate and to weld the seam after forming the embossed pipe using the embossed metal plate that forms an uneven curved surface by embossing, the uneven curved surface Provides a cleanly finished embossed pipe that minimizes seam residues and at the same time prevents seam residues from appearing outside by solving the problem of weld incompatibility due to seams. can do.

Third, since the inclined surface is directly formed by the embossed roller, the welding of the V-shaped groove of the welded seam formed by the both side surfaces of the embossed metal plate in contact with each other is processed very neatly and is delicate as a whole. It is possible to provide an embossed pipe in which an elaborate embossed pattern is formed.

Fourth, by combining an embossing machine including a negative and positive meshing embossing roller with continuous repeatability with a normal pipe making machine, the productivity is more than 5 times higher than that of the conventional embossed pipe production equipment, and production is possible. Sex can be maximized.

Fifth, the compressive load is 40 to 50% higher and the tensile load is 10 to 20% higher than the existing mechanical structure pipe, so the mechanical properties are strengthened, and weight reduction is achieved by such strengthening of the mechanical properties. It has the advantage of being easy.

Sixth, it has enhanced durability, has a beautiful aesthetic appearance, and has a hand slip prevention effect.

Seventh, the appearance of the embossed pipe can be changed to various patterns according to the needs of the market.

Eighth, since fluid flow resistance is generated by the formation of irregularities inside the pipe, a temperature change (cooling, heat retention) effect can be expected in the cooling water and hot water piping systems.

It is an overall perspective view of the embossed pipe manufacturing apparatus which concerns on this invention. It is a perspective view of the 1st Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 1st Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 2nd Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 3rd Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 4th Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 5th Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the 6th Embodiment of the embossing mold roller which comprises the embossing pipe manufacturing apparatus of this invention. It is a front view of the embossed metal plate manufactured by using the embossing die roller of 1st Embodiment which constitutes the embossing pipe manufacturing apparatus of this invention. It is a front view of the embossed metal plate manufactured by using the embossing die roller of the 3rd Embodiment which constitutes the embossing pipe manufacturing apparatus of this invention. It is a front view of the embossed metal plate manufactured by using the embossing die roller of 5th Embodiment which constitutes the embossing pipe manufacturing apparatus of this invention. It is a front view of the embossed metal plate manufactured by using the embossing die roller of the 6th Embodiment which constitutes the embossed pipe manufacturing apparatus of this invention. It is a side sectional view of the embossed metal plate manufactured by using the embossing die roller of the 6th Embodiment which constitutes the embossing pipe manufacturing apparatus of this invention. It is an Example diagram which shows typically the side cross section before welding of the embossed metal pipe manufactured by using the embossed metal plate of this invention. It is an Example diagram which shows typically the side cross section after welding of the embossed metal pipe manufactured by using the embossed metal plate of this invention. It is a side sectional view which shows the other form of the embossed metal plate which concerns on this invention. It is a perspective view of the embossed metal pipe manufactured by using the embossed metal plate shown in FIG. FIG. 6 is a side sectional view showing various forms of welded seams formed in the embossed metal pipe of FIG. It is a photograph of the actual product of the embossed metal pipe according to the present invention. It is a figure which shows the sample shape before the SUS304 PIPE (φ50.8 × 1.5T) tensile test. It is a figure which shows the sample shape before the SUS304 PIPE (φ38.1 × 1.1T) tensile test. It is a figure which shows the sample shape before the SUS304 PIPE (φ50.8 × 1.5T) compression test. It is a figure which shows the sample shape before the SUS304 PIPE (φ38.1 × 1.1T) compression test. It is a figure which shows the tensile load test process. It is a figure which shows the compressive load test process.

An coiler (1) for providing a flat metal plate (100) and
A centering guide roller (2) that guides the flat metal plate (100) supplied from the uncoiler (1) to a subsequent embossing machine (3), and
An embossing machine (3) that embosses a flat metal plate (100) supplied via the centering guide roller (2) to form an embossed metal plate (100').
An embossed pipe (200) having a welded seam (201) in the length direction is manufactured through a curved and circularized process of the embossed metal plate (100') supplied from the embossing machine (3), and the manufactured product is manufactured. It includes a pipe making machine (4) that completes the embossed pipe (200) by welding the welded seam (201) of the embossed pipe (200).
The embossing machine (3) is an embossing die configured so that an upper roller (31) on which an embossed pattern of positive engraving is formed and a lower roller (32) on which an embossed pattern of negative engraving is formed mesh with each other to rotate. Mold roller (30) and
A frame portion (33) that supports the embossed mold roller (30) while forming an exoskeleton, and
It includes a hydraulic cylinder (34) installed at the upper end of the frame portion (33).
The upper roller (31) includes a roller body (311) and
A rotating shaft (312) installed in the center of both side surfaces of the roller body (311) and
An engraved embossed pattern portion (313) formed on the surface of the roller body (311) and
It comprises a first left and right end portion (315,316) formed along both side edges of the roller body (311) below the embossed pattern portion (313) of the engraving.
The lower roller (32) includes a roller body (321) and
A rotating shaft (322) formed in the center of both side surfaces of the roller body (321),
An inscribed embossed pattern portion (323) formed on the surface of the roller body (321) and
It is characterized by including a second left and right end portions (325, 326) formed higher than the embossed pattern portion (323) of the inscription along both side edges of the roller body (321). An embossed pipe manufacturing device that facilitates welding of both sides of an embossed metal plate.

Hereinafter, the technical configuration according to the present invention will be specifically described with reference to the drawings.
As shown in FIG.
The embossed pipe manufacturing apparatus for facilitating welding of both side surfaces of the embossed metal plate according to the present invention includes the uncoiler 1 for providing the flat metal plate 100 and the uncoiler 1.
A centering guide roller 2 for guiding the flat metal plate 100 supplied from the uncoiler 1 to the embossing machine 3 in the subsequent stage, and
An embossing machine 3 that embosses a flat metal plate 100 supplied via the centering guide roller 2 to form an embossed metal plate 100'.
The embossed metal plate 100'supplied from the embossing machine 3 is curved and circularized to manufacture an embossed pipe 200 having a welded seam 201 in the length direction, and the welded seam of the manufactured embossed pipe 200 is manufactured. It includes a pipe making machine 4 which welds 201 to complete an embossed pipe 200, and comprises.

The embossing machine 3 includes an embossing mold roller 30 configured so that an upper roller 31 on which an embossed pattern of positive engraving is formed and a lower roller 32 on which an embossed pattern of negative engraving is formed mesh with each other to rotate.
A frame portion 33 that supports the embossed mold roller 30 while forming an exoskeleton, and
A hydraulic cylinder 34 installed at the upper end of the frame portion 33 is included.
The upper roller 31 includes a roller body 311 and
The rotating shaft 312 installed in the center of both side surfaces of the roller body 311 and
An engraved embossed pattern portion 313 formed on the surface of the roller body 311 and
The first left and right end portions 315 and 316 formed lower than the positive embossed pattern portion 313 along both side edges of the roller body 311 are included.
The lower roller 32 includes a roller body 321 and
A rotating shaft 322 formed at the center of both side surfaces of the roller body 321 and
An inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and
It is characterized by including second left and right end portions 325 and 326 formed along both side edges of the roller body 321 higher than the embossed pattern portion 323 of the inscription.

As the flat metal plate 100 wound around the anchorer 1, any one selected from a stainless plate, an aluminum plate, a brass plate, a copper plate, and a soft iron plate is used.
The stainless steel plate has an advantage that it is superior in alteration and strength as compared with the other flat metal plate 100.

The aluminum plate, brass plate, copper plate, and soft iron plate are excellent in malleability, and can obtain an embossing effect superior to that of a stainless steel plate in terms of delicacy and delicacy, are easy to work, and consume a large amount of power. Has the advantage of being small.
The flat metal plate 100 wound around the uncoiler 1 has a thickness of 0.5 mm to 5 mm and a hardness of 100 Hv to 550 Hv.

At this time, if the thickness is less than 0.5 mm, the thickness of the embossed handle that protrudes positively by the embossing treatment becomes as thin as 0.2 mm to 0.3 mm or less, so that the male of the pipe making machine In the process of passing between the female meshing curved rollers, the pressure resistance becomes weak and the embossed handle is flatly deformed. If it exceeds 5 mm, it is embossed and curved or circularized using a pipe making machine. When manufacturing an embossed mold pipe, not only the power consumption suddenly increases, but also the embossed handle is not formed correctly. Therefore, the thickness of the flat metal plate 100 is in the range of 0.5 mm to 5 mm. It is preferably maintained.

Then, the hardness presents a numerical range capable of withstanding the pressure of the roller in the process of passing through the tube making machine 4, and by maintaining the presented hardness range, the embossed pattern is curved without deformation. It can be achieved, and the phenomenon that the embossed handle is cracked or ruptured due to the mechanical impact of the tube making machine 4 can be prevented by the appropriate hardness.

In particular, among the various flat metal plates 100, the stainless steel plate has a hardness range of 100 Hv to 250 Hv, so that the embossing effect can be enhanced during the embossing process by the embossing machine 3, and a delicate and delicate embossed pattern can be obtained. Can be formed.
There is no difference in the width of the stainless steel plate before being drawn into the embossing machine 3 and after being embossed and pulled out by the embossing machine 3.

However, when the embossed stainless steel plate is passed through the pipe making machine 4, the width increases from 0.1% to 0.5% as compared with the embossed stainless steel plate before passing, and at this time, the ratio of the width increase is The more uneven the embossing is, the larger it becomes. Therefore, when the unevenness is not severe, the rate of change in the width of the embossed stainless steel plate is also small.

The degree of embossing of the embossed stainless steel plate is the length obtained by subtracting the thickness of the stainless steel plate used to obtain the embossed stainless steel plate from the height from the bottom surface of the embossed stainless steel plate to the upper end of the embossed handle. (Hereinafter, it is referred to as'embossing degree').

In order to obtain the maximum embossing of the embossed stainless steel plate, it can be embossed with the same degree of embossing as the thickness of the stainless steel plate. At this time, as the embossing degree increases, the elongation of the embossed stainless steel plate width in the pipe making machine increases, and as the embossing degree decreases, the elongation of the embossed stainless steel plate width decreases.

Since the width of the embossed stainless steel plate corresponding to the inner diameter of the embossed mold pipe is fixed, the width of the stainless steel plate drawn into the embossing machine 3 was reduced within the range of 0.1% to 0.5% based on this. It is preferable to use one.
The embossing machine 3 manufactures the embossed metal plate 100'by embossing both surfaces of the flat metal plate 100 supplied from the uncoiler 1.

As shown in FIGS. 2 to 8, the embossing die roller 30 constituting the embossing machine 3 can be classified into six embodiments according to its form and structure.
The embossing mold roller 30 shown in FIGS. 2 and 3 is the first embodiment.

The embossing mold roller 30 is
Roller body 311 and
The rotating shaft 312 installed in the center of both side surfaces of the roller body 311 and
An engraved embossed pattern portion 313 formed on the surface of the roller body 311 and
An upper roller 31 including first left and right end portions 315 and 316 formed along both side edges of the roller body 311 below the positive embossed pattern portion 313;
Roller body 321 and
A rotating shaft 322 formed at the center of both side surfaces of the roller body 321 and
An inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and
It is composed of a lower roller 32; including second left and right end portions 325 and 326 formed along both side edges of the roller body 321 higher than the embossed pattern portion 323 of the inscription.

The upper roller 31 and the lower roller 32 of the first embodiment are not formed with a band-shaped groove 314 and a band-shaped protrusion 324 for partitioning the positive embossed pattern portion 313 and the negative embossed pattern portion 323.

The upper roller 31 and the lower roller 32 of the second embodiment shown in FIG. 4 are formed with a band-shaped groove portion 314 and a band-shaped protruding portion 324 for partitioning the positive embossed pattern portion 313 and the negative embossed pattern portion 323. There is.

The embossing mold roller 30 of the second embodiment is
Roller body 311 and
The rotating shaft 312 installed in the center of both side surfaces of the roller body 311 and
An engraved embossed pattern portion 313 formed on the surface of the roller body 311 and
A strip-shaped groove portion 314 formed along the roller rotation direction lower than the positive embossed pattern portion 313 formed on the surface of the roller body 311 to partition the positive embossed pattern portion 313 at regular intervals.
An upper roller 31 including first left and right end portions 315 and 316 formed along both side edges of the roller body 311 below the positive embossed pattern portion 313;
Roller body 321 and
A rotating shaft 322 formed at the center of both side surfaces of the roller body 321 and
An inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and
A strip-shaped projecting portion 324 formed along the roller rotation direction higher than the inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and partitioning the inscribed embossed pattern portion 323 at regular intervals.
It is composed of a lower roller 32; including second left and right end portions 325 and 326 formed along both side edges of the roller body 321 higher than the embossed pattern portion 323 of the inscription.

At this time, the protruding portion 324 of the lower roller 32 is configured to enter into the groove portion 314 of the upper roller 31.

The difference between the embossed mold roller 30 of the first and second embodiments and the embossed mold roller 30 of the third embodiment lies in the structure at both ends of the roller body 311 of the upper roller 31. That is, there is a difference in that left and right inclined surface forming portions 317 and 318 are formed at both side ends of the roller body 311 of the upper roller 31 constituting the embossing mold roller 30 of the third embodiment. FIG. 5 shows the embossed mold roller 30 of the third embodiment.

The embossing mold roller 30 of the third embodiment is
Roller body 311 and
A rotating shaft 312 formed at the center of both side surfaces of the roller body 311 and
An engraved embossed pattern portion 313 formed on the surface of the roller body 311 and
The first left and right end portions 315 and 316 formed along the both side edges of the roller body 311 below the embossed pattern portion 313 of the engraving.
The first left and right ends 315 and 316 are extended in the lateral lateral direction to form an integral body, but the lower part is formed so as to project in the outward diagonal direction from the point extended by the first left and right ends 315 and 316. An upper roller 31 including left / right inclined surface forming portions 317 and 318 that form both side surfaces of the flat metal plate 100 in the diagonal direction by engaging with the second left / right end portions 325 and 326 of the roller 32 and rotating. ;
Roller body 321 and
A rotating shaft 322 formed at the center of both side surfaces of the roller body 321 and
An inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and
It is composed of a lower roller 32; including second left and right end portions 325 and 326 formed along both side edges of the roller body 321 higher than the embossed pattern portion 323 of the inscription.

The upper roller 31 and the lower roller 32 of the third embodiment are not formed with a band-shaped groove 314 and a band-shaped protrusion 324 for partitioning the positive embossed pattern portion 313 and the negative embossed pattern portion 323.

The upper roller 31 and the lower roller 32 of the fourth embodiment shown in FIG. 6 are formed with a band-shaped groove 314 and a band-shaped protrusion 324 for partitioning the positive embossed pattern portion 313 and the negative embossed pattern portion 323. ..

The embossed mold roller 30 of the fourth embodiment includes the roller body 311 and the roller body 311.
A rotating shaft 312 formed at the center of both side surfaces of the roller body 311 and
An engraved embossed pattern portion 313 formed on the surface of the roller body 311 and
A strip-shaped groove portion 314 formed along the roller rotation direction lower than the positive embossed pattern portion 313 formed on the surface of the roller body 311 to partition the positive embossed pattern portion 313 at regular intervals.
The first left and right end portions 315 and 316 formed along the both side edges of the roller body 311 below the embossed pattern portion 313 of the engraving.
It is extended in the lateral lateral direction from the first left and right ends 315 and 316 to form an integral unit, but is formed so as to project in the outward diagonal direction from the point extended by the first left and right ends 315 and 316, and the lower part. An upper roller including left and right inclined surface forming portions 317 and 318 that form both side surfaces of the flat metal plate 100 in the diagonal direction by engaging with the second left and right end portions 325 and 326 of the roller 32 and rotating. 31;
Roller body 321 and
A rotating shaft 322 formed at the center of both side surfaces of the roller body 321 and
An inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and
A strip-shaped projecting portion 324 formed along the roller rotation direction higher than the inscribed embossed pattern portion 323 formed on the surface of the roller body 321 and partitioning the inscribed embossed pattern portion 323 at regular intervals.
It is composed of a lower roller 32; including second left and right end portions 325 and 326 formed along both side edges of the roller body 321 higher than the embossed pattern portion 323 of the inscription.
The embossing mold rollers 30 of the fifth and sixth embodiments are configured with an embossing pattern different from the embossing mold rollers 30 presented in the first to fourth embodiments.

As shown in FIG. 7, the embossing mold roller 30 of the fifth embodiment has substantially the same structure as the embossing mold roller 30 of the second embodiment except that the embossing pattern is different.

As shown in FIG. 8, the embossing mold roller 30 of the sixth embodiment has substantially the same structure as the embossing mold roller 30 of the fourth embodiment except that the embossing pattern is different.
Hereinafter, the configuration of each part of the embossing mold roller 30 presented in the first to sixth embodiments will be described in more detail.
The embossing mold roller 30 is configured such that the upper roller 31 and the lower roller 32 of a high-strength metal material mesh with each other and rotate.

On the surfaces of the upper roller 31 and the lower roller 32, a pattern forming an embossed pattern portion 313 and an embossed pattern portion 323 is formed, and the embossed pattern portion 313 and the embossed pattern portion 323 are engraved on each other. Formed to mesh.

At this time, the pattern pattern is a mixture of the pattern itself and the voluminous feeling due to the yin and yang engraving, which directly affects the aesthetic appearance of the molded embossed metal plate. At this time, the pattern pattern can be set according to preference.

As a concrete example
The embossed pattern portions 313 and 323 shown in FIGS. 2 to 6 have a long rectangular pattern with rounded ends.
The embossed pattern portions 313 and 323 shown in FIGS. 7 and 8 have a pattern having a quadrangular pyramid-shaped protruding portion.

The embossed mold rollers 30 according to the first and third embodiments shown in FIGS. 2, 3 and 5, and the embossed mold rollers 30 according to the fifth and sixth embodiments shown in FIGS. 4 and 6 to 8. The difference lies in the presence or absence of the narrow band-shaped groove portion 314 and the narrow band-shaped protruding portion 324 formed on the upper roller 31 and the lower roller 32.

The band-shaped groove portion 314 and the band-shaped protrusion 324 are configured such that the upper roller 31 and the lower roller 32 rotate while sandwiching the flat metal plate 100 and meshing with each other to rotate. At this time, the fact that the strip-shaped protrusion 324 meshes with the rotation means that the strip-shaped protrusion 324 intrudes and rotates while pushing the metal plate toward the groove portion 314.

The narrow band-shaped groove 314 and the narrow band-shaped protrusion 324 formed in this way partition the pattern having the embossed pattern along the circumferential surface at regular intervals, and the narrow groove 314 thus partitioned embosses the pattern. A decorative effect can be given along with the pattern.

As shown in FIGS. 2 to 10, the important configuration of the embossed mold roller 30 according to the present invention includes the first left and right end portions 315 and 316 formed on both side ends of the upper roller 31 and the lower roller 32. The second left and right ends are 325 and 326.

The importance of the first left / right end portions 315,316 and the second left / right end portions 325,326 is to solve the welding problem that occurs when the embossed pipe 200 is manufactured using the embossed metal plate 100'. It is in.

That is, the first left / right end portions 315,316 and the second left / right end portions 325,326 formed on both side ends of the embossed mold roller 30 have narrow widths on both side surfaces of the embossed metal plate. By making it flat, the uneven embossed pattern formed on the embossed metal plate may be deformed when the embossed pipe is manufactured using a conventional pipe making machine that manufactures a smooth metal pipe. It is possible to solve the problem that welding becomes impossible due to the mismatch of the uneven embossed patterns formed at the seams in the length direction.
Further, the important technical configuration is an inclined surface structure formed on both side surfaces of the flat metal plate 100 to be put into the embossing die roller 30 of the embossing machine 3.
Such an inclined surface is processed at the same time as embossing by inserting the flat metal plate 100 into the embossing mold roller 30.

As shown in FIGS. 9 and 11, even if both side surfaces of the flat metal plate 100 are not inclined surfaces, the embossed metal is formed by the first left / right end portions 315,316 and the second left / right end portions 325,326. Both side surfaces of the plate 100'become a narrow flat surface, and the embossed metal plate 100'formed in this way is curved by the pipe making machine 4 and circularized so that both side surfaces of the embossed metal plate 100'are formed. When they come into contact with each other, a V-shaped groove is naturally formed at a point where both side surfaces come into contact with each other due to the difference between the inner diameter and the outer diameter, but the width of the V-shaped groove becomes very narrow due to the thickness of the flat metal plate 100. In some cases, by forming inclined surfaces on both side surfaces, melt fusion using welding is facilitated, and solid and clean welding is possible.
As shown in FIGS. 10 and 12, the flat metal plate 100 is put into the embossing mold roller 30 to manufacture the embossed metal plate 100'having inclined surfaces at both ends.
FIG. 13 shows an embossed metal plate manufactured through such a process and having inclined surfaces at both ends.

At this time, as shown in FIGS. 10 and 12, it is possible to process both ends of the flat metal plate at the same time as the embossing process of the flat metal plate using the embossing die roller 30 on both side surfaces of the upper roller 31. -It is possible by the configuration of the right side inclined surface forming portions 317 and 318.

The left / right inclined surface forming portions 317 and 318 are formed by the left / right inclined surface forming portions 317 and 318 because the internal angles θ1 formed by the left and right end portions 315 and 316 are 110 ° to 135 °. The inclined surfaces at both ends of the metal plate are in contact with each other to form a welded seam 201 having a V-shaped groove 201a, and the V-shaped groove 201a has an internal angle θ2 of 20 ° to 90 °.

In this way, when the embossed metal plate is manufactured, by forming inclined surfaces at both ends of the metal plate, a circular pipe is formed through a curved surface of the pipe making machine and a circular roller, and a narrow flat surface is formed. The inclined surface and the inclined surface come into contact with each other to form a narrow V-shaped groove 201a, and the V-shaped groove 201a formed in this way is welded by melting and fusing the material itself, thereby forming the same welded seam as the groove portion 314. 201 is formed, whereby the welded seam portion 201 and the groove portion 314 play a role of improving the aesthetic appearance together with the pattern pattern by forming a kind of pattern.
The groove portion 314 and the welded seam portion 201 have a small width, and more specifically, have a width of 2.0 mm or less.

Then, in order to maintain the same width of the groove portion 314 and the welded seam portion 201, the width L1 of the first left and right end portions 315 and 316 formed at both side ends of the upper roller 31 according to the present invention is the groove portion. The half length of the 314 width L2 is maintained.
That is, the length of the total width of the first left end portion 315 and the first right end portion 316 is the same as the length of the total width of the groove portion 314.

14 and 15 are schematic side sectional views of an embossed pipe 200 manufactured by using the embossed metal plate 100'formed by the present invention, and mainly show the welded seam 201 and the V-shaped groove 201a. ..
FIG. 14 is a schematic side sectional view of the embossed pipe 200 in the state before welding, and FIG. 15 is a diagram showing a state in which the V-shaped groove 201a shown in FIG. 14 is welded and fused and fused.

As shown in FIGS. 14 and 15, the embossed metal plate 100'manufactured by using the embossing mold roller 30 of the embossing machine 3 according to the present invention is put into the pipe making machine 4 to manufacture the embossed pipe 200. A welded seam 201 is formed in the embossed pipe 200 in the length direction, a narrow V-shaped groove 201a is formed in the welded seam 201, and the V-shaped groove 201a is welded to melt and melt the material itself. By welding, the same grooves as the partition grooves 200a formed at regular intervals on the circumferential surface of the embossed pipe 200 are formed.

As a result, the welded seam 201 formed in the length direction of the embossed pipe 200 is integrally connected by clean and elaborate welding, and at the same time, forms the same seam groove together with other partition grooves 200a for partitioning the embossed pattern. It has the advantage that it can be formed to give a design aesthetic and give a decorative effect.

FIG. 16 is a side sectional view showing another form of the embossed metal plate 100'according to the present invention, and FIG. 17 is a perspective view of an embossed pipe 200 manufactured by using the embossed metal plate 100'shown in FIG. It is a figure.

As shown in FIGS. 16 and 17, the embossed metal plate 100'according to the present invention and the embossed pipe 200 using the same are various within the range of the embossed pipe manufacturing apparatus and the embossed pipe manufacturing method presented in the present invention. It can be manufactured in various forms.

FIG. 18 shows various modified forms of the welded seam 201 of the embodiment shown in FIG. Further, it is clear that various forms of the welded seam 201 including the V-shaped groove 201a can be presented in addition to the form shown in FIG.
The pipe making machine 4 is an apparatus for completing the embossed pipe 200 through a curved surface, a circular shape, and a welding process of the embossed metal plate 100'.

As the pipe making machine 4, the ordinary pipe making machine 4 conventionally disclosed can be used. A feature of the present invention is that the embossed pipe 200 is manufactured from the embossed metal plate 100'by connecting the embossing machine 3 and the pipe making machine 4 presented in the present invention to form an embossed pipe manufacturing apparatus. Prevents the problem of deformation due to the phenomenon that the embossed handle is crushed or pushed, solves the dimensional instability due to the extension of the width of the embossed metal plate, and forms the embossed pipe using the embossed metal plate with an uneven curved surface by embossing. When trying to weld the seam after the process, the problem that welding is not possible due to the inconsistency of the seam due to the curved surface of the unevenness is solved, the residue of the seam is minimized, and at the same time, the residue of the seam appears on the outside. Nothing is provided to provide a cleanly finished embossed pipe 200.

As shown in FIG. 1, the pipe making machine 4 is subjected to a curved surface step by the first curved roller 41, the second curved roller 42, and the third curved roller 43, and the first circular roller 44, the second By performing the circularization step by the circularizing roller 45 and the third circularizing roller 46, a pipe-shaped embossed pipe is manufactured, and the completed embossed pipe is formed with a seam groove 201 in the length direction, and the seam is formed. A V-shaped groove 201a'is formed in the center of the inside of the portion groove 201.
Next, the embossed pipe 200 according to the present invention is completed by welding and welding the V-shaped groove 201a'using the welding device 47.

Hereinafter, an embossed pipe manufacturing method using the embossed pipe manufacturing apparatus of the present invention will be described.
The embossed pipe manufacturing method according to the present invention
The first step of supplying the flat metal plate 100 to the embossing machine 3 via the centering guide roller 2 supplied from the anchorer 1 and
The second step of embossing the flat metal plate 100 using the embossing mold roller 30 of the embossing machine 3 to form the embossed metal plate 100'.
The embossed metal plate 100'is supplied to the pipe making machine 4, and after undergoing a curved and circularized process, an embossed pipe 200 having a welded seam 201 in the length direction is manufactured, and the welded seam 201 of the embossed pipe 200 is formed. Including the third stage of welding to complete the embossed pipe 200,
The entire surface of the embossed metal plate 100'has an embossed structure, but the both side surfaces of the embossed metal plate 100' are hit by the curved and circularized process of the pipe making machine 4 by forming a narrow flat surface on both side edges. The embossed pipe 200 is completed by forming a welded seam 201 having a V-shaped groove 201a in contact with the V-shaped groove 201a and melting and fusing the V-shaped groove 201a by welding.

At this time, the flat metal plate 100 is any one selected from a stainless plate, an aluminum plate, a brass plate, a copper plate, and a soft iron plate, and has a thickness of 0.5 mm to 5 mm and a hardness of 100 Hv to 550 Hv. use. The reason for limiting the range of such thickness and hardness is as described above.

The flat metal plate 100 is formed into the embossed metal plate 100'through the embossing mold roller 30 of the embossing machine 3. At this time, both ends of the embossed metal plate 100'are flat surfaces having a predetermined width, and the structure of the V-shaped groove 201a of the welded seam 201 formed by manufacturing an embossed pipe using such a flat surface configuration. Therefore, welding can be performed easily and neatly.

The embossed metal plate 100'is put into the pipe making machine 4, and is curved through the first curved roller 41, the second curved roller 42, and the third curved roller 43 constituting the pipe making machine 4. Further, the first circularized roller 44, the second circularized roller 45, and the third circularized roller 46 are sequentially passed through to form a circular shape to form a pipe-shaped embossed pipe.

At this time, in the embossed pipe completed through the circularization process, a seam groove 201 is formed in the length direction, and a V-shaped groove 201a'is formed in the inner center of the seam groove 201.
Next, the embossed pipe 200 according to the present invention is completed by welding and welding the V-shaped groove 201a'using the welding device 47.

Further, both side surfaces of the embossed metal plate 100'form an inclined surface inclined inward. When the inclined surface is not formed, the V-shaped groove 201a formed by the both side surfaces of the embossed metal plate 100'contacting each other becomes narrow and welded if the thickness of the embossed metal plate 100' is too thin. Since it may be difficult, welding is facilitated and clean by making the V-shaped groove 201a formed by the side surfaces of the embossed metal plate 100'contacting each other wider than a certain width by the inclined surface. Allows for solid welding.

FIG. 19 is an actual product photograph of the embossed pipe according to the present invention, and the tensile and compressive loads of the embossed pipe according to the present invention will be described.

Tensile and compressive load tests of the embossed pipe 200 (SUS304 PIPE) manufactured by the present invention were carried out at the Korea Chemical Fusion Testing Laboratory (test number: TBP-0000041, sample name: metal test piece (SUS304 PIPE)). I requested and obtained the following results.
[Test Example 1]
1. 1. sample

The embossed pipe (metal test piece (SUS304 PIPE)) sample is as shown in FIGS. 20 to 23. The samples were Test Examples 1 to 3 and Comparative Examples 1 to 3 according to the present invention, and were distinguished by the outer diameter and the pattern. The categories are shown in Table 1 below.

2. Test conditions and methods The tensile load and compressive load tests of the embossed pipe 200 (metal test piece (SUS304 PIPE)) sample are shown in Table 2 below.

3. 3. Test Results 1) Test Process FIG. 24 shows a tensile load test process, and FIG. 25 shows a compressive load test process.
2) Test results The test results of tensile load and compressive load are shown in Table 3 below.

From the above experimental results of the compressive load (N), it can be seen that the embossed pipe according to the present invention is 40% to 50% stronger than the existing structural pipes (Comparative Examples 1 to 3). From the above experimental results of the tensile load (kN), it can be seen that the embossed pipe according to the present invention is 10% to 20% stronger than the existing structural pipes (Comparative Examples 1 to 3).

The embossed pipe manufacturing device that facilitates the welding of both side surfaces of the embossed metal plate of the present invention and the embossed pipe manufacturing method using the embossed pipe manufacturing apparatus solves the dimensional instability due to the width extension of the embossed metal plate, and the embossing treatment causes unevenness. When attempting to weld a seam after molding an embossed pipe using a curved embossed metal plate, the residue of the seam remains by solving the problem that welding is not possible due to the mismatch of the seam due to the uneven curved surface. It is possible to provide a cleanly finished embossed pipe by minimizing the marks and at the same time preventing the residual marks of the seams from appearing to the outside.

By combining the embossing machine and the ordinary pipe making machine presented in the present invention to form an embossed pipe manufacturing apparatus, productivity higher than 5 times higher than that of the conventional embossed pipe producing apparatus can be obtained.

In addition, because it has a highly durable yet lightweight aesthetic appearance, it is possible to reduce the weight of versatile parts in the existing mechanical structure pipe market, and it is uniform in the existing mechanical structure pipe and architectural decorative material pipe market. It is possible to meet market needs and create new demand by launching embossed pipe products, which are design products with an aesthetic appearance rather than products with a smooth pattern, and due to the presence of irregularities inside the pipe, water in cooling water and hot water piping systems, etc. The flow is forcibly interfered with, and an increase in cooling or heat retaining effect can be expected.

The embossed pipe according to the present invention having such a function is a handrail and a guide rail in a train such as a railroad, a high-speed railroad, a subway, and a light electric railway; a handrail and a guide rail in a bus; Design products such as handrails; Handrails and guide rails for yachts; High-grade structural pipes such as building materials, balustrades, borads, bellows, hangers, handles for electronic products; Cooling water and hot water related piping materials; Various types of general structural pipes, etc. It can be applied to various fields and has very high industrial potential.

Claims (4)

An coiler (1) for providing a flat metal plate (100) and
A centering guide roller (2) that guides the flat metal plate (100) supplied from the uncoiler (1) to a subsequent embossing machine (3), and
An embossing machine (3) that embosses a flat metal plate (100) supplied via the centering guide roller (2) to form an embossed metal plate (100').
An embossed pipe (200) having a welded seam (201) in the length direction is manufactured through a curved and circularized process of the embossed metal plate (100') supplied from the embossing machine (3), and the manufactured product is manufactured. A pipe making machine (4) that completes the embossed pipe (200) by welding the welded seam (201) of the embossed pipe (200).
Contains
The embossing machine (3)
An embossing mold roller (30) configured so that the upper roller (31) on which the positive embossing pattern is formed and the lower roller (32) on which the negative embossing pattern is formed mesh with each other to rotate.
A frame portion (33) that supports the embossed mold roller (30) while forming an exoskeleton, and
It includes a hydraulic cylinder (34) installed at the upper end of the frame portion (33).
The upper roller (31)
With the roller body (311)
A rotating shaft (312) installed in the center of both side surfaces of the roller body (311) and
It includes a positive embossed pattern portion (313) formed on the surface of the roller body (311).
A strip-shaped groove portion formed along the roller rotation direction lower than the positive embossed pattern portion (313) formed on the surface of the roller body (311) and partitioning the positive embossed pattern portion (313) at regular intervals. (314) is formed
The lower roller (32) includes a roller body (321) and
A rotating shaft (322) formed in the center of both side surfaces of the roller body (321),
It includes an inscribed embossed pattern portion (323) formed on the surface of the roller body (321).
A strip-shaped protrusion formed along the roller rotation direction higher than the embossed pattern portion (323) formed on the surface of the roller body (321) and partitioning the embossed pattern portion (323) of the indentation at regular intervals. (324) is formed
The protrusion (324) is configured to enter the groove (314).
The upper roller (31) includes first left and right end portions (315,316) formed along both side edges of the roller body (311) below the positive embossed pattern portion (313). The width (L1) of the first left and right end portions (315,316) maintains a length of 1/2 of the groove portion (314) width (L2).
The lower roller (32) includes a second left and right end portion (325,326) formed along both side edges of the roller body (321) higher than the embossed pattern portion (323) of the inscription. An embossed pipe manufacturing device that facilitates welding of both sides of an embossed metal plate. The upper roller (31) is extended laterally from the first left / right end (315,316) to form an integral unit, and from the point extended at the first left / right end (315,316). Left, which is formed so as to project in the outer diagonal line direction, and forms both side surfaces of the flat metal plate (100) in the diagonal line direction by engaging with the second left and right end portions (325, 326) of the lower roller (32) and rotating. The right inclined surface forming portion (317,318) is further included.
The left / right inclined surface forming portion (317, 318) has an embossed angle (θ1) formed with the left / right end (315,316) of 110 ° to 135 °, and the left / right inclined surface forming portion (317, 318). The inclined surfaces at both ends of the metal plate formed by 318) abut each other to form a welded seam (201) having a V-shaped groove (201a), and the V-shaped groove (201a) has an internal angle (θ2) of 20 °. The embossed pipe manufacturing apparatus for facilitating welding of both side surfaces of the embossed metal plate according to claim 1, wherein the temperature is ~ 90 °. An coiler (1) for providing a flat metal plate (100) and
A centering guide roller (2) that guides the flat metal plate (100) supplied from the uncoiler (1) to a subsequent embossing machine (3), and
An embossing machine (3) that embosses a flat metal plate (100) supplied via the centering guide roller (2) to form an embossed metal plate (100').
An embossed pipe (200) having a welded seam (201) in the length direction is manufactured through a curved and circularized process of the embossed metal plate (100') supplied from the embossing machine (3), and the manufactured product is manufactured. It includes a pipe making machine (4) that completes the embossed pipe (200) by welding the welded seam (201) of the embossed pipe (200).
The embossing machine (3)
An embossing mold roller (30) configured so that the upper roller (31) on which the positive embossing pattern is formed and the lower roller (32) on which the negative embossing pattern is formed mesh with each other to rotate.
A frame portion (33) that supports the embossed mold roller (30) while forming an exoskeleton, and
It includes a hydraulic cylinder (34) installed at the upper end of the frame portion (33).
The upper roller (31)
With the roller body (311)
A rotating shaft (312) installed in the center of both side surfaces of the roller body (311) and
It includes a positive embossed pattern portion (313) formed on the surface of the roller body (311).
A strip-shaped groove portion formed along the roller rotation direction lower than the positive embossed pattern portion (313) formed on the surface of the roller body (311) and partitioning the positive embossed pattern portion (313) at regular intervals. (314) is formed
The lower roller (32)
Roller body (321) and
A rotating shaft (322) formed in the center of both side surfaces of the roller body (321),
It includes an inscribed embossed pattern portion (323) formed on the surface of the roller body (321).
A strip-shaped protrusion formed along the roller rotation direction higher than the embossed pattern portion (323) formed on the surface of the roller body (321) and partitioning the embossed pattern portion (323) of the indentation at regular intervals. (324) is formed
The protrusion (324) is configured to enter the groove (314).
The upper roller (31) includes first left and right end portions (315,316) formed along both side edges of the roller body (311) below the positive embossed pattern portion (313). The width (L1) of the first left and right end portions (315,316) maintains a length of 1/2 of the groove portion (314) width (L2).
The lower roller (32) includes a second left and right end (325,326) formed along both side edges of the roller body (321) above the embossed pattern portion (323) of the inscription. ,
The upper roller (31) is extended in the lateral lateral direction from the first left / right end (315,316) to form an integral unit, and is extended from the first left / right end (315,316). Left, which is formed so as to project in the outer diagonal line direction, and forms both side surfaces of the flat metal plate (100) in the diagonal line direction by engaging with the second left and right end portions (325, 326) of the lower roller (32) and rotating. The right inclined surface forming portion (317,318) is further included, and the right side inclined surface forming portion (317,318) is further included.
The left / right inclined surface forming portion (317, 318) has an embossed angle (θ1) formed with the left / right end (315,316) of 110 ° to 135 °, and the left / right inclined surface forming portion (317, 318). The inclined surfaces at both ends of the metal plate formed by 318) abut each other to form a welded seam (201) having a V-shaped groove (201a), and the V-shaped groove (201a) has an internal angle (θ2) of 20 °. An embossed pipe manufacturing apparatus that facilitates welding of both side surfaces of an embossed metal plate, characterized in that the temperature is ~ 90 °. The first stage of supplying the flat metal plate (100) to the embossing machine (3) via the centering guide roller (2) supplied from the uncoiler (1), and
The second step of embossing the flat metal plate (100) with the embossing mold roller (30) of the embossing machine (3) to form the embossed metal plate (100'), and
The embossed metal plate (100') is supplied to the pipe making machine (4) to produce an embossed pipe (200) having a welded seam (201) in the length direction through a curved and circularized process to manufacture the embossed pipe (200). It comprises the third step of welding the welded seam (201) of the pipe (200) to complete the embossed pipe (200).
The embossed metal plate (100') is one of a stainless steel plate, an aluminum plate, a brass plate, a copper plate, and a soft iron plate having a thickness of 0.5 mm to 5 mm and a hardness of 100 Hv to 550 Hv. The embossed metal plate (the embossed metal plate (4) by the curved and circularized process of the pipe making machine (4) by forming an embossed structure on the entire surface, forming a narrow flat surface on both side edges, and forming an inclined surface inclined inward on both side surfaces. Both side surfaces of 100') are in contact with each other to form a welded seam (201) having a V-shaped groove (201a) having an internal angle (θ2) of 20 ° to 90 °, and the V-shaped groove (201a) is welded. A method for manufacturing an embossed pipe, which facilitates welding of both side surfaces of an embossed metal plate, characterized in that the embossed pipe (200) is completed by fusion welding.

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