KR100554536B1 - Manufacturing method of high strength spiral tube for pneumatic structure for civil and road works - Google Patents

Abstract

The present invention relates to a spiral pipe for PE (synthetic resin) structure widely used for sewage pipes and drainage pipes, and a manufacturing apparatus thereof.

In general, a PE spiral tube in which a hollow sphere 3 composed of a spiral tube is integrated into a spiral winding is conventionally formed with a reinforcing device in a spiral recess 12 for mainly external pressure reinforcement, and a hollow part 3 of a spiral tube. There was a V-shaped reinforcement section 7 for the reinforcing device configuration, but this did not provide an appropriate structure for bending stress when external pressure was applied to both side walls (2) and 2 '. ') Is integrally fused structure of the hollow portion 3 of the spiral tube is not composed of the support (7), etc. There is no effective high-strength spiral tube, so the present invention is further directed to solve the above problems as the invention produced In order to provide a simplified invention with high strength, robustness and manufacturing apparatus more clearly, the corrugated reinforcing bar 4 and the fusion table 5, which are bent at the outer wall of the hollow part 3, are integrated on the inner wall and both side wall surfaces ( 2) (2 ') extruded tube (19) The fusion protrusions (18) and (18 ') act as a fusion agent during the spiral winding process to enhance the fusion strength of both side walls (2) and (2'), and the manufacturing apparatus is primarily a branched curved pipe (21) (21 '). (21 ") assembles the cooling pipe (20) consisting of separation intervals (22) and (22 ') to the die (25) and branches off the tube (19) extruded from the extrusion slot (29) of the die (25). The upper surface of the tube 19 is bent by the bending rollers 30 and 30 'at the intervals 22 and 22' between the curved pipes 21, 21 'and 21 ". And an embodiment according to the manufacturing apparatus configured to be molded by integrating the fusion point 5 on the lower side.

2,2 '. 4,4 'on both side walls. Corrugated Reinforcement Table 12. Fusion Rib 17. Support Wall

Description

Manufacturing method of high strength spiral pipe for pneumatic structure for civil and road works {omitted}

1 is a partially exploded perspective view of the present invention

2 is a partial cross-sectional view showing a structure in which both side walls of the hollow part are fused to each other as a conventional product;

Figure 3 (a) is a partial cross-sectional view showing the fusion point and the fusion point by bending the upper side of the hollow portion of the present invention

Figure 3 (b) is a partial cross-sectional view showing the inclined support and the reinforcement in the lower side of the fusion portion of both side wall in Figure 3 (a)

Figure 4 is a partial cross-sectional view of the corrugated braces and the welding point in Figure 3 (a)

Figure 5 is a partial cross-sectional view of the fusion ribs reinforced on the upper and lower sides on both side walls in Figure 3 (a)

Figure 6 is a partial cross-sectional view of the outer wall surface reinforced to the upper side in Figure 3 (a)

7 is a partial cross-sectional view showing a structure in which the inner wall surface is reinforced on the outer wall surface and the lower side on the upper side;

8 is a partial cross-sectional view showing a structure in which the width of the hollow portion is widened and the wave-shaped welding zone and the welding point are formed on both sides as Embodiment 2 of the present invention.

FIG. 9 is a partial cross-sectional view showing a structure in which a drilling tool is formed at a melting point in FIG.

FIG. 10 is a partial cross-sectional view of Embodiment 3 of the present invention showing the wave support and the welding point of the V-shaped reinforcement and the welding zone in FIG.

FIG. 11 is a partial cross-sectional view of Embodiment 4 of the present invention showing a structure in which a support wall is reinforced on a V-shaped reinforcement in FIG.

12 is a partial cross-sectional view showing the structure of the wave reinforcement and the melting point of the wave support and the fusion fusion in Figure 7

FIG. 13 is a partial perspective view of a perforator formed in the fusion zone in FIG.

14 is a partial perspective view of the Jangcheon tool formed on the fusion table in FIG.

FIG. 15 is a sectional view of the Jangcheon tool in FIG.

FIG. 16 is a partial cross-sectional view showing the corrugated welding table and the welding point on the support wall in FIG.

FIG. 17 is a partial cross-sectional view of Embodiment 5 of the present invention showing the wave reinforcing bar and the welding point in the hollow portion of the two-layer structure by integrally fusion of the lower side of the hollow portion to the upper side shown in FIG.

FIG. 18 is a partial cross-sectional view of the wave reinforcement bar and the fusion point of the V-shaped reinforcement bar and the fusion band in FIG.

Figure 19 is an assembled state of the main portion of the manufacturing apparatus of the present invention

20 is a perspective view of a copper pipe which is a main part in FIG.

Fig. 21 is a perspective view of the bending roller as the main part in Fig. 19;

22 is a cross-sectional view taken along the line A-A in the manufacturing apparatus of the present invention shown in FIG.

Figure 23 is a cross-sectional view showing the working process state of the copper pipe and the bending roller in the manufacturing apparatus of the present invention shown in FIG.

※ Explanation of code about main part of drawing ※

1: Spiral tube 2,2 ': Both side wall 3: Hollow ball

4,4 ': Corrugated wave reinforcement table 5: Fusion point 6,6': Outer wall surface

7,7 ': V type reinforcement stand 8,8': inclined support 9: reinforcement

9 ': alternating fusion point 10,10': drilling hole 11: inner wall surface

12: fusion rib 13: fusion zone 14: corrugated welding zone

15,15 ': hollow sphere 16: corrugated support 17: support wall

18,18 ': fusion stone 19: extrusion tube 20: copper pipe

21, 21 ', 21 ": Branch curved pipe 22, 22': Separation interval

23, 23 ', 23 ": Inlet 24: Molding Machine

25: Dice 26, 26 ', 26 ": Cooling hose

27: cooling water container 28: slope 29: sunrise detention

30, 30 ': bending roller 32, 32': fusion gear 33: extruder

42: upper side

The present invention relates to a method for producing a synthetic resin reinforced spiral pipe (hereinafter referred to as blood) mainly used for sewage pipes and drainage pipes.

형으로 변형되어서 중공구(3)의 높이가 낮아지는 현상이 발생하면서 나선관의 단면이 타원형으로 변형되는 즉 중공구(3)가

형으로 변형할 때 이의 외토압 보강 및 견고성등을 보강하기 위하여 본인의 선발명출원(10-98-64167)으로 제공되었으나 접합대의 구성으로 외토압보강에 한계를 노출하는 현실이다.In general, in case of long-term use for drainage pipe by investing blood spiral pipe during the week, when the external pressure load or local unbalanced load is applied, the damage or cross section composed of hollow spheres and joints is transformed into ellipse to provide structural external pressure reinforcement. That the problem occurs, that is, the cross section of the hollow sphere (3)

The hollow sphere 3 is deformed into an elliptical shape, that is, the hollow sphere 3 is deformed while the height of the hollow sphere 3 is lowered.

In order to reinforce its external pressure reinforcement and robustness when transforming it into a mold, it was provided as my selection application (10-98-64167).

The present invention forms an extrusion port in the inlet and outlet slots 29 of the die 25 of the extruder 33 and the branched curved pipes 21, 21 ′, 21 ′ and the coolant inlet 23 in the cooling pipe 20. 23 'and 23' are formed to form the molding spaces 22 and 22 'so that the extruded tube 19 is formed by the roller 31 having the fusion gears 30 and 30'. Method of forming and manufacturing the PE structure reinforcing spiral tube of the present invention by fusion by fusion protrusions 18, 18 'of both side walls of the tube 19 and molding to integrate the two side walls 2, 2'. to provide.

As to achieve the above object of the present invention

In general, as shown in FIG. 2, a spiral tube having both side walls (2, 2 ') composed of hollow spheres (3) is formed by direct integration of a spiral winding circuit. As it is not satisfied, the invention for reinforcing the external pressure reinforcement and the robustness of the spiral tube, as shown in Fig. 3 (a), the middle and lower portions of both side walls (2) (2 ') of the hollow sphere (3) Corrugated reinforcing bar 4 and the fusion point formed in the spiral winding direction of the hollow sphere 3 of the spiral pipe as described above while deforming the inclined support 8, 8 ′ and the reinforcement 9 integrally. (5) to provide a product of the present invention and to provide a product used for the culvert drainage pipe according to the intended use in the drill hole 10 configuration according to the melting point (5) as shown in FIG. When described according to the embodiment as follows.

5 to 7, the corrugated reinforcing bar 4 and the fusion point 5 are formed in the longitudinal direction spirally wound on the central portion of the upper surface 42 of the hollow sphere 3, but both side wall surfaces 2 are formed. (2 ') is integrally fused to the fusion ribs 12, 12' from the upper and lower ends of both side walls (2) and (2 ') to the upper surface 42 to reinforce the firmness. Even if wrapped with the outer wall surface (6), the external pressure reinforcement and the inner wall surface 11 is integrated to provide a more durable and robust product.

As shown in FIG. 8, the structure of the external pressure reinforcement provision, such as a product that simultaneously forms two to three corrugated reinforcement bars 4 and fusion points 5 in the spiral winding direction in the inner space of the hollow sphere 3 A plurality of phosphorus reinforcement reinforcement is configured in the hollow sphere (3).

As shown in Fig. 10, in the product provided in the present invention, the hollow sphere 3 and the two side walls 2, 2 'are provided with the external pressure by integrating the cross section in the longitudinal direction of the spiral winding in the hollow sphere 3; The mold reinforcing rod 7 is molded into the upper side 42 and integrated into the lower side by the fusion base 13 so that the hollow spheres 15 and 15 'are formed on both sides of both side wall surfaces of the conventional hollow sphere 3. (2) It is the invention which cancels the bending stress of (2 '). At this time, as shown in Figures 13, 14, and 15, the high-strength culvert drainage pipe is provided by intermittently constructing the drilling tool and the long drilling tool 13 (13 ') along the fusion band 13 formed by the spiral winding. 으로 section of the circumference (a) and ⅓ section (b) is configured in the empty state to provide a drainage channel 35 of the culvert drainage pipe.

As shown in Figs. 11 and 12, the spirally wound longitudinal section is integrated into the supporting wall 17 at the intermediate height of the V-shaped reinforcement 7, 7 'and the fusion ribs 12 (12'). ) Is melted at the edges of the upper and lower sides of the hollow sphere 3 to reinforce the integration of both side walls 2 and 2 ', and to form the corrugated support 16 with the corrugated support 16 according to the spiral winding direction of the hollow sphere 3. The base 14 is formed by forming the upper side of the hollow sphere 3 into a lower side, and reinforcing the outer side and the inner side with the outer wall surface 6 and the inner wall surface 11. It becomes the product of the invention.

Also, as shown in FIG. 16, the corrugated reinforcement bar 4 is formed instead of the outer wall surface 6, but the product of the present invention is provided by integrating the support wall 17 with the fusion point 5 therein.

As shown in Figs. 17 and 18, in order to provide external pressure reinforcement and robustness, the corrugated reinforcing bar 4 formed by bending the upper side of the hollow sphere 2 is welded to the lower side. And the corrugated reinforcing bar 4 is bent into the outer wall surface on the upper side of the hollow wall 3 and the two side wall surfaces 2 'are integrally formed on the spiral wound wall surface 2, and are integrated on the lower side surface. (2) (2 ') is fused and wrapped in the lower layer, or as an embodiment thereof, the upper surface 42 is bent as shown in FIG. 18 to cross-section the V reinforcing bars 7 and 7'. The upper surface 42 of the hollow sphere 3 is bent while fusion bonding to the lower side to form the hollow spheres 15 and 15 'and integrating both side walls 2 and 2' into a spiral winding. The cross section is integrated with the V reinforcing bar (7) (7 ') to the lower side by the fusion table (13) to form the hollow spheres (15) and (15') while fixing both side walls (2) and (2 ') in an integrated manner. While giving the outer wall surface (16 ) Is integrally reinforced to provide a structural high strength invention.

And the manufacturing method of the present invention, as shown in Fig. 19, the hollow sphere 3 and the corrugated reinforcement table 4 of the spiral tube in the molding apparatus in which the spiral tube forming machine 24 is assembled to the die 25 of the extruder 33 ) And the extrusion tube 19 is extruded from the spiral port inlet and outlet 29 to form a fusion point (5).

In addition, the injection holes 23, 23 ', 23 "of the cooling pipe 20 in which the separation interval 22, 22' and the branch curved pipe 21, 21 ', 21" are formed in the lower curved part. Is assembled with the die 25 and the spiral winding operation is performed by rotating the molding roller 31 of the molding machine 24.

At this time, when the tube 19 extruded from the die 37 of the forming apparatus passes through the cooling pipe 20 as shown in Fig. 19, the branch curved pipes 21 and 21 'of the cooling pipe 20 ( The bending gears 30 and 30 'having the fusion gears 32 and 32' formed therebetween to be rotated so as to bend to form the corrugated reinforcing bar 4 of the spiral tube and the fusion point 5 To form.

Therefore, while forming the corrugated reinforcement bar 4 and the fusion point 5 in the spiral tube as described above, the fusion protrusions 18, 18 'protruding on both wall surfaces rotate in a spiral winding, so that both side walls 2, 2 ') Is pressed so that the welding is performed efficiently so that the welding is firmly performed.

In addition, when the forming roller 31 of the molding machine 24 is rotated, the separate bending gears 30 and 30 'are rotated, and the fusion gears 32 and 32' branch the upper side of the tube 19 to the curved pipe. (21) (21 ') and 21 "are bent into the space of separation gap (22) and (22'), and they are manufactured so as to integrate the melting point (5) on the lower side. Supply as much as possible.

Reference numeral 27 is a coolant bottle 26, 26 '. 26 'is a cooling water supply hose.

In this embodiment, as shown in FIG. 12, the upper side surface of the spirally wound hollow sphere 3 is bent by the rotation of the bending rollers 30 and 30 'to form the wave reinforcement table 13' and the wave welding table 14 structure. High strength spiral tube can be manufactured.

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The present invention is a high-strength spiral pipe for PE structure used for drainage pipes, waste water pipes, sewage pipes and the manufacturing apparatus thereof by bending the upper side 42 of the hollow sphere (3) in the PE structure reinforced spiral pipe to the hollow sphere (3) Corrugated wave reinforcement stand (4), V-shaped reinforcement stand (7) (7 ') and corrugated reinforcement stand (16) are integrated into the lower side with the fusion base (13), corrugated welding table (3'), and fusion point (5). In order to reinforce the external pressure and to provide firmness, the outer surface 6 is fixed and the side walls 2, 2 'are directly fused to each other so that the height H of the hollow sphere 3 is increased. When applied, it provides rigidity and economical efficiency compared to conventional products by preventing the deformation of both side walls and constructing a reinforcement structure according thereto, and the manufacturing method thereof primarily separates the cooling copper pipe 20 from the separation interval 22, 22. The fusion protrusions 18 and 18 'are composed of the dies 37 assembled by separating the branch curved pipes 21, 21' and 21 " The extruded tube 42 is formed in the separation intervals 22 and 22 'by the bending gears 30 and 30' formed with the fusion gears 32 and 32 'and the reinforcing rods 4 and 7. (16) to form a fusion wall (2) (2 ') while fusion in the direction of both side walls (2) and (2') while forming the fusion protrusions (18) and (18 ') in a spiral winding. While forming the reinforcing rod 6 in the upper side portion of the reinforcing portion 42, the tube extruded from a separate die 38, which is not shown in the second drawing as a hollow sphere (3) ) And the continuous manufacturing method of the idle space of the two side walls (2 ') and provide an excellent effect on economics, robustness and external pressure reinforcement.

Claims (2)

The die 25 of the extruder 33 is provided with a cooling pipe 20 having branched curved pipes 21, 21 ′, 21 ″, and extruded extrusion tube 19 to extrude both side walls 2 (2). ') Formed spiral tube, bending gears 30 and 30' having fusion gears 32 and 32 'formed at one side in the separation intervals 22 and 22' of the cooling pipe 20. The method of manufacturing a high-strength spiral tube for the construction of the structure for the use of civil and road works, characterized by bending and forming the corrugated reinforcement of the spiral pipe by forming and fusion. The method of claim 1, Fusion pipes 18, 18 'are formed on both sides of the curved pipes 21, 21', 21 "of the cooling pipe 20 so as to be fused between both side walls 2, 2 '. Method for manufacturing high strength spiral pipe for pneumatic construction for civil and road works.

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