KR20010100024A - High Strength Spiral Tube Manufacturing Equipment - 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.

Description

High strength spiral tube manufacturing apparatus for blood structure {omitted}

The present invention relates to a synthetic resin reinforcing spiral pipe (hereinafter referred to as blood) mainly used for sewage pipes and drainage pipes, and a manufacturing apparatus thereof.

In general, in case of long-term use for drainage pipe by underground buried spiral pipe, when external pressure load or local bias load is applied, structural external pressure reinforcement of the spiral pipe may be deformed into ellipse. Problem occurs that the cross section of the hollow sphere (3) In mold 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 into a mold, it was provided as the applicant's selection application (10-98-64167).

The present invention is a product and manufacturing apparatus for reinforcement of economy and durability, external pressure strength and the like compared to the conventional products of blood spiral pipe, and the two side walls (2) (2 ') of the spiral wound reinforcement (3) directly Fusion splicing, but the reinforcing structure is inserted into the hollow ball (3), the corrugated reinforcing bar (4) and the fusion point (5) and V-shaped reinforcing bar (7) and fusion table (13) in the hollow ball (3) for external pressure reinforcement ) Is bent on the outer side of the hollow sphere 3 to integrate the inner side, and both side wall surfaces 2, 2 'of the reinforcing part 2 are formed on the opposite side of both side wall surfaces 2, 2' formed with a spiral winding. By supporting the height of the hollow sphere (3) It provides a structure that reinforces the bending stresses of both side walls (2) and 2 'of the structure to reinforce the bending stresses of both sides when external pressure is applied. An extrusion hole is formed in the extrusion hole 29 of the die 25 and branched curved pipes 21, 21 ′, 21 ″ and cooling water inlets 23, 23 ′, 23 ″ are formed in the cooling pipe 20. Is formed to form the molding space (22, 22 ') of the extruded tube 19 is formed into a bending roller (30, 30') consisting of fusion gears (31, 31 ') tube ( It is to provide a product and a manufacturing device configured to be fused to the fusion protrusions (18) (18 ') of both side walls of the side 19 to be molded to integrate the two side walls (2) (2').

1 is a partially cut away perspective view of the present invention

Figure 2 is a partial cross-sectional view showing a structure in which both sides of the hollow portion is fused with 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 fusion 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 surface;

Figure 8 is a partial cross-sectional view showing a structure consisting of both sides of the corrugated fusion zone and the fusion point as widening the hook of the hollow portion as a second embodiment 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 bar and the welding point is composed of the wave support and the wave 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 reinforcement 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.

* Description of the symbols for the main parts of the drawings *

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

4, 4 ': Wave reinforcement table 5: Fusion point 6, 6': Exterior wall surface

7, 7 ': V type reinforcement stand 8, 8': slope support 9: reinforcing ball

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

12: fusion rib 13: fusion zone 14: waveform fusion zone

15, 15 ': Hollow tool 16: Corrugated support 17: Support wall

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

21, 21 ', 21 ": Branch curved pipe 22': Spacing

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

As to achieve the above object of the present invention

In general, as shown in FIG. 2, a spiral tube that directly integrates both side walls (2, 2 ') composed of hollow spheres (3) into a spiral winding circuit is used, but this satisfies the demand of the construction site due to external pressure, robustness, and the like. As an invention for reinforcing the external pressure reinforcement and robustness of the spiral tube, as shown in Fig. 3 (a), the two side walls (2) and (2 ') of the hollow sphere (3) are directly fused. The corrugated reinforcing bar 4 and the melting point 5 in the longitudinal direction of the wound hollow sphere 3 are bent to the upper side 42 to be integrally formed on the lower side, as shown in FIG. As described above, the middle and lower portions of the side wall surfaces 2 and 2 'of the hollow sphere 3 are deformed to integrally form the inclined support 8, 8 ′ and the reinforcement 9 described above. As described above, the corrugated reinforcing bar 4 and the welding table 5 formed in the spiral winding direction of the hollow sphere 3 of the spiral tube are formed and According to the embodiment of the present invention provides a product that is provided and used for the culvert drainage pipe according to the purpose of use in the drilling tool 10 configuration according to the melting point 5 as shown in Figure 9 Is the same as

Example 1

As shown in FIGS. 5 and 6 and 7, the corrugated reinforcing bar 4 and the fusion table 5 are formed in the longitudinal direction spirally wound on the central portion of the upper surface 42 of the hollow sphere 3, and both side wall surfaces ( 2) Reinforcing the firmness by fusion ribs 12 and 12 'from the upper and lower ends of both side walls 2, 2' to the upper side 42 in the product in which (2 ') is integrally bonded. In addition, even if wrapped with the outer wall surface (6), the external pressure is reinforced, and if the inner wall surface 11 is integrated on the lower side, a more durable and robust product is provided.

Example 2

As shown in Fig. 8, the structure of the external pressure reinforcement providing, such as a product which 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, Make a plurality of corrugated reinforcement in the hollow sphere (3)

Example 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 integrally, but the hollow sphere 3 has a cross section in the longitudinal direction of the spiral winding. The mold reinforcing rod is molded into the upper side of the reinforcing rod 42 and integrated into the lower side by the fusion rod 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 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 forming 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.

Example 4

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 corners of the upper and lower sides of the hollow sphere 3 to reinforce the integration of both side walls 2 and 2 ', and the corrugated support 16 and the corrugated welding table along the spiral winding direction of the hollow sphere 3. The upper side of the hollow sphere (3) is formed by forming an integral side to the lower side, but the upper and lower side is reinforced by the outer wall surface 6 and the inner wall surface 11, the product of the present invention is provided with a high-strength product Becomes

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.

Example 5

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 to the upper side and integrally formed on both side walls of the hollow sphere 3 on the upper side of the wall 2 'integrally formed on the spiral wound wall 2. (2) (2 ') is fused and wrapped in the lower layer, or as an example thereof, the upper side 42 is bent as shown in FIG. 18 to cross-section the V reinforcing bar 7 and 7'. (13) on the upper side of the hollow sphere (3) of the structural spiral tube fused to the lower side to form the hollow spheres (15) and (15 ') and to integrate both side walls (2) and (2') into a spiral winding. While integrating the hollow sphere 3 into the spiral winding, the upper side of the hollow sphere 3 is bent, so that the cross section of the V reinforcing rod 7, 7 ′ is integrated into the lower side by the fusion rod 13. 'While the two sides constituting the wall surface (2) (2 15, 15' while secure the) to integrally by reinforcing the outer surface (6) is integrally provided in the present invention, by giving the structural strength.

And the manufacturing apparatus of the present invention, as shown in Figure 19, the circular arc of the present invention in the hollow sphere (3) 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) Conventional extruded splice for spiral pipes in a die lip 29 assembled to the die 25 so that the reinforcing rod 13, the corrugated reinforcing rod 15, and the like are molded and both side walls 2, 2 'are integrally fused and molded. The cooling pipe 20 which is configured to extrude the extruded tube 19 to be extruded at 29 and has branched bent pipes 21, 21 ′, 21 ″ having separation intervals 22, 22 ′ formed at the lower curved portion. Into the die 25 with the injection holes 23, 23 'and 23 " of the die and extruded from the die 37 into a molding apparatus in which a spiral winding operation is performed by the rotation of the forming roller 31 of the molding machine 24. When the tube 19 passes through the cooling pipe 20 as shown in Fig. 19, the separation gap 22, 22 between the branch curved pipes 21, 21 ', 21 "of the cooling pipe 20 is carried out. Fusion to ') The spirally fused protrusions 18 and 18 'which are formed on the bending gears 30 and 30' formed with the gear 29 to form the corrugated reinforcement stand 14 and the fusion point 5 are formed on both side walls. When both side walls (2) and (2 ') are contacted with each other while the circuit rotates, it rotates with a forming roller (41) of the forming machine (40), which is configured to be squeezed and firmly fused as a fusion agent. The upper surface of the tube 19 is bent into the space of the separator 22, 22 'between the branch curved pipes 21, 21' and 21 "by the rotation of the < RTI ID = 0.0 > It is a molding apparatus manufactured to be integrated into). At this time, the cooling water is supplied to be molded properly.

Reference numeral 27 denotes a cooling water container and 26, 26 'and 26 "are hoses for cooling water supply.

In this embodiment, as shown in FIG. 12, the upper side 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 plate 14 structure. High strength spiral tube can be manufactured.

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 52 of the hollow sphere (3) in the PE structure reinforced spiral pipe to the hollow sphere (3) Corrugated reinforcing bar (4), V-shaped reinforcing bar (7) (7 ') and corrugated reinforcing bar (16) by the fusion table 13, the corrugated welding table (3') and the melting point (5), etc. 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 than conventional products by preventing the deformation of both side walls and constructing a reinforcement structure according thereto, and its manufacturing apparatus primarily separates the cooling copper pipe 20 from the separation interval 22, 22 ′. Fusion protrusions 18 and 18 'are formed from the dies 37 assembled by dividing the branched curved pipes 21, 21' and 21 "into two parts. The extruded tube 19 is molded into 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, respectively. (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 use of the idle space of the side wall (2 ") and the continuous manufacturing device is an invention that provides an excellent effect on economics, robustness and external pressure reinforcement.

Claims (2)

Branch bending pipes 21, 21 ', 21 in which separation intervals 22, 22' are formed in a molding machine 24 in which a cooling pipe 20 fixed to a die 25 of an extruder 33 is assembled. And the bending gears 30 and 30 'which form the injection holes 23, 23' and 23 "and the fusion gears 32 and 32 'are formed at separation intervals 22 and 22'. High strength spiral tube manufacturing apparatus for blood structure configured to bend (19) and shape the wave reinforcement table (4) and the melting point (5) The apparatus of claim 1, wherein the fusion protrusions (18, 18 ') are formed in the tube (19).