KR20000032625A - Reinforcing spiral pipe for pe structure and production method thereof - Google Patents

Abstract

PURPOSE: A PE reinforcing spiral pipe and its production method are provided to be used for a drain pipe and a waterway pipe and to have the economic property, the hardness and the excellent effect in a reinforcing of outer earth pressure. CONSTITUTION: A spiral pipe composed a hollowed hole(3) and a reinforcing part formed a U-shaped supporting portion(2') spirally is integrated a corrugated reinforcing band or a circular reinforcing band(13) in an inside(4) of an outer wall(6) of hollowed hole(3) with a corrugated fusion band or a fusing point, and is formed an inclined supporting bar(5') in both walls(2"). To producing the reinforcing spiral pipe for a PE structure, a reinforcing support rib is composed in a die rip in a dice assembled in a cooling pipe of branch curved pipes(21)(21') formed a separating interval and assembled in the die rip formed an extruding base. Reinforcing band(13) is formed in the hollowed hole(3) of reinforcing part with a curved gear(30) formed a corrugated gear and fusing gears(32)(32')(34). The inclined supporting bar(5') is formed with a fusing gear(31) in a recessed groove(12). The reinforcing band(13) and an outer wall are formed in an outside and the spiral recessed groove(12) with a compressed tube in a separated dice. Thereby the reinforcing spiral pipe for the PE structure is produced.

Description

Reinforced spiral pipe for structure and its manufacturing method

The present invention relates to a PE reinforcement spiral pipe mainly used for sewage pipes and drainage pipes and a method of manufacturing the same, and conventionally between the reinforcing hollow portion (2) spirally wound spirally for external pressure reinforcement and robustness of the PE spiral pipe The applicant's selection application (the applicant's selection application No. 96-4955) that inserted the support (5) (13) or the support wall (17) in the groove portion 12 between them, but its effective external pressure strength and economic efficiency In addition to providing this, it was desired to introduce a separate product and manufacturing method for economic efficiency, durability, and external pressure strength for the applicant's selected application.

The present invention is made for reinforcement of economy and durability, external pressure strength, etc. compared to the conventional products of PE spiral pipe, and by inserting the reinforcing structure in the inner hollow tool (3) of the spiral wound reinforcement (2) In the case of being buried and using for a long time, the cross section of the hollow sphere 3 in Since it is transformed into a shape, it is structurally integrated into the hollow sphere 3, the corrugated reinforcing bar 15, the corrugated welding table 15 ', and the circular reinforcing bar 13 by the outer wall surface 6, and the reinforcing parts 2 on both sides. The slope of the reinforcement bar (5 ') on the wall of the In the manufacturing method according to the embodiment, the reinforcing support ribs 29 'are formed on the inlet and outlet slots 29 of the dies 37 and 38 of the extruder 35 and 36. The branched curved pipes 21 and 21 'are formed to form the molding space A, and the extruded tube 42 is formed by the bending rollers 30, 30' and the rollers 31. The present invention relates to a method for manufacturing a reinforced spiral pipe for PE structure.

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

2 (a) (b) is a main part of a conventional product.

Figure 3 (a) (b) (c) is a sectional view of the main part of the present invention.

4 (a), (5), (6) (a), (7), and 8 are cross-sectional views of main parts of the first embodiment of the present invention.

9 (a), (b) and (d) are cross-sectional views of main parts of a second embodiment of the present invention.

10 is a sectional view of principal parts of Embodiment 3 of the present invention;

FIG. 11 is an essential part cross sectional view of the embodiment of FIG. 10; FIG.

12 and 13 are main sectional views of the embodiment of FIG. 3;

(A), (b), 15, 16 (a), (b) are sectional views of the main parts and the lateral cross-sectional view of the embodiment of FIG.

17, 18 (a), (b) and 19 are cross-sectional views of principal parts of a fourth embodiment of the present invention.

20 and 21 are sectional views of principal parts of Embodiment 5 of the present invention;

22,23 are a perspective view of the main part of the manufacturing apparatus of the present invention and an enlarged partially cut-out view.

(A) (b) is a perspective view and principal part sectional drawing of the Example of FIG.

25, 26, 27, 28 are perspective views of main parts of the present invention.

Fig. 29 is a sectional view showing the main parts of the manufacturing process of the present invention.

30 is a partially cutaway view of the manufacturing process of the present invention.

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

DESCRIPTION OF SYMBOLS 1 Spiral tube 2 Reinforcement part 2 'Type support part

3: hollow sphere 4: inner wall surface 5: support

5 ': Sloped support 6,6': Outer wall 7,7 ': V-shaped reinforcement

8,8 ': Supporting rib 9: Melting point 9': Alternating melting point

10: drilling tool 11: fusion zone 12: spiral groove

13: circular brace 15: wave brace 15 ': wave fusion

15 ": Type support 17: support wall 18,18 ': outer wall

20,20 ': Copper pipe 21,21': Branch curved pipe

22: separator 23: fixed plate 24: distributor

25 Joint 26 Cooling Hose 27 Injection Hole

28: support plate 29: inlet and outlet 29 ': reinforcement support rib

30,30 ': Bending roller 31: Roller 32, 32': Fusion gear

34: fusion gear 34: fusion pin 35, 36: extruder

37,37 ', 38 Dice 39: Corrugated gear 40: Molding machine

41: forming roller 42, 42 ', 43: tube

In order to achieve the object of the present invention described above, conventionally, as shown in Fig. 2 (a) (b), the reinforcing portion 2 is formed of a hollow sphere (3) consisting of a spiral winding on the inner wall surface (4) Spiral tube was used, but it could not meet the demand of construction site due to external pressure, firmness, etc. Although it was formed and used as a type support part 2 ', it had a synergistic effect on the external pressure strength because there was no reinforcing structure on the outer wall surface 6, but it was invented to further enhance the reinforcing effect. 12, 13, the middle portion of the outer wall surface 6 of the reinforcing part 2 in the spiral wound length direction The mold support 2 'and the corrugated reinforcement table 15 are integrated with the corrugated welding table 15' and the reinforcing wall surface 2 "is composed of the inclined support 5 '. And fusion point (9) and the circular reinforcement bar (13 ') and the alternating fusion point (9') in alternating direction of the spiral winding in the longitudinal direction. 18 ') is an invention incorporating the present invention.

Example 1

As shown in Figs. 4 (a), 5, 6 (a) (b), 7, 8, the hollow sphere 3 of the reinforcement part 2 and a spiral in the central part of the reinforcement part 2 are shown. The corrugated reinforcing bar is formed by integrally forming an arc-shaped outer wall 18 integrally with the concave groove, the outer wall surface 6 and the spiral concave groove 12 formed in the configuration of the corrugated reinforcing bar 15 and the corrugated welding table 15 'in the winding length direction. (15) and the external wall surface (6) to strengthen and inclined reinforcing bar (5 ') of the two side wall surface (2 ") of the reinforcement portion (2) to support the high-strength reinforcement in this configuration, and both side wall surface (2 Supporting each other with a support (5) at the intermediate height of ") provides a reinforcement spiral tube.

In addition, the outer wall surface 6 'is integrated into the spiral recessed groove 12 at the cross-section to consolidate the V-shaped reinforcement 7 with the fusion base 11, thereby solidifying the height of the hollow portion 2 and depending on the situation of the construction site. The outer wall 18 'is formed only at the recess 12.

The support ribs 8 and 8 'may be supported between the V-shaped reinforcement 7 and the two side wall surfaces 2 "in order to provide a high strength effect, and instead of the corrugated support 15, The reinforcing bar 15 "is integrated into the outer wall surface 6 to form the drilling tool 10 in the main groove 12 ', further narrow the gap between the groove 12 to some extent, and the reinforcing support wall 17 Insert it.

Example 2

As shown in FIG. 9 (a) (b), the central portion of the hollow portion 2 has a V-shaped reinforcement 7, 7 ′ composed of a fusion splicing 11 with a cross section on the outer wall surface 6. Cross section of the outer wall 18 to a certain section (t) The cross section consisting of the reinforcing bar and the inclined reinforcing bar (5 ") is formed on both side walls (2"). When external pressure is applied to the spiral tube 1 in the shape, the height H is lowered and is deformed in the → direction as shown in FIG. 9 (b). ') And the inclined reinforcing bar 5' of both side wall surfaces 2 'of the reinforcing part 2 and the predetermined section t of the outer wall 18 or fused to the corners, the hollow sphere ( 3) The invention provides the external pressure reinforcement while supporting the height (H) and also constitutes the outer wall 18 to the spiral recess 12 as necessary. In order to provide an invention in which flexibility is required, as shown in FIG. 9 (c), the outer wall surface 6 ′ is provided on both side wall surfaces of the reinforcing portion 2 in which the V-shaped reinforcing rods 7 and 7 ′ are formed. The flexible wall 12 "and the inner groove 12 'which are integrally connected are connected to the inner wall surface 4. Moreover, as shown in FIG. 9 (d), V reinforcement stand 7 and 7' are shown. ) Is provided from the outer side 6 'to the inner side 4 to form the inner recess 12' between both side wall surfaces of the reinforcing part 2, thereby providing flexibility.

Example 3

10 and 11, the corrugated reinforcing bar 15 is integrated with the corrugated welding table 15 'at the central portion of the hollow sphere 3 of the reinforcing part 2 in the spirally wound length direction, but the outer wall surface. By constructing 6 ', the circular reinforcement bar 13 is integrated into the fusion point 9' in the section of the spiral recess 12.

And, as shown in Figs. 14 (a), 15, 16 (a) (b) (c), the outer wall surface 6 is provided with a reinforcing part 2 integral with the fusion point 9 to the circular reinforcement bar 13. ') The perforated section 2 is formed by forming a drilling tool 10 on the inner wall surface 4 of the spiral recess 12. It can be used as a perforated pipe by reinforcing the double wall, and supporting ribs (8) and (8 ') are inserted into both side walls (2') of the reinforcement part (2) to weld the V-shaped reinforcement (7) and (7 '). A high strength spiral tube is provided even when integrated with the base 11, and the outer wall 18 'of the arcuate shape and the straight line shape is integrated with the outer wall surface 6' of the reinforcement part 2. At this time, in order to reinforce the flexibility of the product, as shown in Fig. 14 (b), the flexible stage 12 'and the groove portion 12 is connected to the outer wall surface 6' integrated in the reinforcement portion (2) ").

Example 4

As shown in Fig. 17, 18 (a) (b), 19, the arc reinforcing bar 13 and fusion fusion to the hollow sphere (3) of the reinforcing part 2 to provide the external pressure reinforcement and firmness of the product of the present invention It may be formed as a point 9 'but may be integrated with the outer wall surface 6' so as to be integrated with the supporting wall 17 in the gap between the reinforcing portions 2, or the groove (spacing) between the reinforcing portions 2; The arc reinforcing bar 13 and the fusion point 9 'are fixed to the inner side 4 at (12). At this time, the product of the present invention is provided even if the circular reinforcing rod 13 'or the alternate fusion point 9' of the alternate structure is configured. The type reinforcing bar 15 'may be inserted, and the auxiliary hollow tool 3' is formed on the outer wall 18 to provide durability and robustness.

As shown in Figs. 20 and 21, the structure of the present invention has the corrugated reinforcing bar 15 and the corrugated welding table 15 'formed in the hollow sphere 2, and the corrugated reinforcing bar 15 is formed on the outer wall surface 6'. The support wall 17 is filled in the groove 12 between the inner wall surface 4 which is integrated with the outer wall surface 6 'and is integrated with the corrugated reinforcement frame 15 of the lower layer. ) And the corrugated reinforcing bar 13 on the upper layer of the corrugated welding table 15 and the secondary inner wall surface 4 'with a fusion point 9 integrated into the two layers, but the groove 12 has a wave reinforcing bar. (13) and the fusion point (9), etc. to provide durability or external pressure reinforcement, and at this time using the V-shaped reinforcement (7) and the support (5) and the inclined support (5 ') not shown in the drawings Also provided is a product of the invention.

And the manufacturing method of the present invention, as shown in Figure 28, the hollow of the hollow portion 2 in the molding apparatus in which the spiral tube forming machine 40 is assembled to the dies 37, 38 of the extruder 35, 36 As shown in FIG. 28, the circular reinforcing bar 13, the corrugated reinforcing bar 15, and the like of the present invention are formed in the sphere 3, and the inclined support 5 'is formed on both side wall surfaces 2 " Branched bent pipe 21 having a reinforcing support rib 29 'formed in a conventional extrusion pipe 29 for a spiral pipe to a die lip 37' assembled to the bottom rib, and having a separation gap A formed at the lower curved portion. 21 ') is assembled into the die 37 by the inlet 27 of the configured cooling pipe 20, and the tube extruded from the die 37 in which the spiral winding operation is performed by the rotation of the forming roller 41 of the molding machine 40. When 42 passes through the cooling pipe 20 as shown in FIG. 29, the gears having a corrugated structure are formed in the separation interval A between the branch curved pipes 21 and 21 ′ of the cooling pipe 20. 29 is formed into a bending gear 30 formed to form a corrugated reinforcement table 15 and a corrugated welding table 15 'while the dolmus tube 42' protruding in the recess 12 rotates in a spiral winding. The extruded protrusion tube 42 'is inclined under the influence of the cooling water and is rotated by the forming roller 41 of the molding machine 40 while pressing the extruded protrusion tube 42' with the forming roller 31. 43 to the arc reinforcing bar 13 and the fusion point 9 in the groove 12 of the spiral tube 1 as the fusion gear 34 of the bending gear 30 at the same time as the outer wall surface 6 'is formed. It is a method in which the inclined support 5 'is formed in a spiral winding circuit on both side walls 2 ".

Reference numeral 45 is a cooling water container.

At this time, in the case of manufacturing a high-strength spiral tube of the circular reinforcing rod 13 'and the alternating fusion point 9' structure of the alternating structure, as shown in Figure 26, the fusion gear 32, 32 'of the alternating structure is formed Using the bending gear 30 'and fusion pin 34' for reinforcing the welding force to the fusion gear 34 of the bending gear 30.

Here, the inlet 27 of the cooling pipe 20 has one branch, but the branch curved pipes 21 and 21 'are separated at both sides, so that the cooling water supply hose 26' is divided into two branches in the cooling pipe 20 body. The distributor 24 is mounted with a fixed plate 23 to supply the hoses 26 and 26 'of the curved pipes 21 and 21' and in the product of the present invention, the V-shaped reinforcing rods 7 and 7 '. (B) In order to facilitate the molding of the circular reinforcement rod 13 having a V-shaped structure, an inclined surface 20 " is formed at the separation interval A of the branch curved pipes 21 and 21 'and a forming roller is formed. Is used as a bending gear (30, 30 ') of the fusion gear 34 is composed of a circular roller 31 or a fusion pin (34').

As an embodiment of the cooling pipe 20, as shown in FIG. 24A, when the separate cooling pipe 20 ′ is used, the cooling pipe 20 ′ may be used as the support plate 28 for the firmness of each other. Fix it.

The present invention is a PE structure qhrkd spiral pipe used for drainage pipes, waste water pipes, sewage pipes and the manufacturing method thereof, the outer wall surface of the reinforcement part (2) in the hollow sphere (3) of the reinforcement part (2) in the reinforcement spiral pipe for PE structure (6) to the hollow sphere (3) corrugated reinforcement (15), V-shaped reinforcement (7) (7 ') and arc reinforcement (13) according to the fusion base (15') and fusion point (9) (9 ') The inner surface 4 is integrally fixed to the inner surface 4, but fixed to the outer surface 18, 6 ', etc., and the height of the reinforcement 2 is formed by the inclined support 5' on both side wall surfaces 2 ". When H) is applied to the earth pressure, it prevents deformation and constructs a reinforcing structure accordingly, thereby providing more robustness and economical efficiency than conventional products, and the manufacturing method thereof primarily separates the cooling copper pipe 20 from the separation gap (A). The extruded tube 42 is formed of a corrugated gear 39 or a fusion gear 32 or 32 while the protrusion tube 42 'is formed from a die 37 assembled by separating the branched curved pipes 21 and 21'. ') Formed It is molded by the bending gear 30, 30 ', etc. at the separation interval A, and the reinforcing bars 15, 7, 13, etc. are formed, and the protrusion tube 42' is formed by the spiral winding. While fusion in the direction of the roller 41 constitutes the inclined support (5 '), the tube 43, which is extruded from a separate die 38 secondly, is reinforced on the outer wall surface (6') and the spiral groove (12). 15) (7) (13) is a manufacturing method for molding the invention, which utilizes the idle space of the hollow sphere (3) and is a continuous manufacturing method than the conventional products, and provides an excellent effect on economics, robustness and external pressure reinforcement. .

Claims (6)

Hollow Street 3 is constructed Corrugated welding of the corrugated reinforcing bar 15 or the circular reinforcing bar 13 is performed on the outer wall surface 6 of the hollow sphere 3 in the spiral tube 1 having the reinforcing part 2 having the mold support 2 'formed therein with a spiral winding. Reinforced spiral pipe for PE structure, which is integrated into the inner surface 4 by a stand 15 'or a fusion point 9, and an inclined support 5' is formed on both side wall surfaces 2 ". 2. The support (5) according to claim 1, wherein the support (5) V-shaped reinforcement (7) (7 '), the arc reinforcement (13) and the fusion base (11) and Reinforced spiral pipe for PE structure in which the inclined support 5 'is formed on the outer wall surface 6 of the shaped support 15 "and the outer wall surface 6' or the outer wall 18, 18 'is formed. The reinforced spiral pipe for PE structure according to claim 1 or 2, wherein the reinforcing bar (7) (13) (15) is formed by overlapping a two-layer structure. The cooling pipe of the branch curved pipe (21) (21 ') according to claim 1, wherein the die (37) (38) of the extruders (35) 36 is formed in the molding machine (40). A reinforcing support rib 29 'is formed on the die lip 37' from the die 37 assembled to the die lip 37 'assembled with the extrusion hole 29, and the extruded tube 42 ) Is a bending gear 30, 30 'formed with a corrugated gear 39, a fusion gear 32, 32', 34, the reinforcing bar (7) (7) '(13) (15) to be molded in the inclined support (5') from the groove portion 12 to the fusion gear 31 and the outer surface (6) by the tube 43 extruded from a separate die 38 PE structure reinforcement spiral pipe manufacturing method configured to mold the reinforcing rod (7) (7 ') (13) (15) and the outer wall (18) in the') and the spiral groove (12). 5. The reinforced spiral pipe for PE structure according to claim 4, wherein a fusion pin (34 ') is formed. 5. Method according to claim 4, wherein the inclined surface (20 "), support plate (28) and distributor (24) are constructed.