KR940003710A - Molding apparatus for synthetic resin structure pipe and method - Google Patents

Abstract

The present invention is a molding apparatus of a synthetic resin structural pipe used in the ground where a large earth pressure is applied, such as a water pipe, sewage pipe, electric wire, telephone line protective pipe, etc. buried in the spiral pipe continuous reinforcement of the iron piece to the structural pipe The present invention relates to a molding apparatus and a method for forming a synthetic resin structure tube sufficiently endured to withstand earth pressure, that is, a raw material supply unit (30) which is located on one side of the main body (20) and supplies synthetic resin raw materials, and heats the supplied raw materials. It is installed so as to rotate on one side of the main body 20, the heating unit 40 for melting and conveying at the same time in a gel state, the nozzle unit 50 for discharging the resin liquid for the extrusion molding machine 90 and the adhesive, the outer band Supplying the rotating portion 60 for winding the resin liquid and the reinforcing table 100 in a spiral direction, the pressing unit 70 for pressing the discharged resin liquid into a shape between the structures, and the reinforcing table 100. Bo Air supply pipe 910 for placing hot air between each of the steel strip supply unit 80 and the upper side of the forming rotation unit 60, respectively, and the two sides of the reinforcing rod wound in a spiral direction, and between the inner tube band and the outer band. 920 and a cooling water tank 1000 and a cooling unit 110 for cooling the resin liquid in the lower portion of the molding turning unit 60.

Description

Molding apparatus for synthetic resin structure pipe and method

Since this is an open matter, no full text was included.

3 is a partial perspective view of the main portion of the present invention,

4 is a cross-sectional view of an extruder of the present invention,

5 (a) and (b) are cross-sectional views taken along lines A-A and B-B of FIG.

6 is a side view of the molding rotation of the present invention,

7 is a plan view showing a molding rotating part of the present invention,

8 is a side view showing the operating state of the adhesive nozzle and the first pressure rod of the present invention,

9 is a side view showing the operating state of the external nozzle and the second pressure rod of the present invention.

Claims (16)

Located in the upper portion of the main body 20 and the raw material supply unit 30 for supplying the raw material of the synthetic resin, and the heating unit 40 for heating and melting at the same time to the supplied raw material in a gel state (hereinafter referred to as the resin liquid) and , The nozzle unit 50 for discharging the resin liquid for the extrusion molding machine 90, the adhesive strip and the outer band, and rotatably installed on one side of the main body 20 to wind the resin liquid and the reinforcing table 100 in a spiral direction. Synthetic resin structure, characterized in that it consists of a pressing unit 70 for pressing the rotating part 60 and the discharged resin liquid to form a structural tube shape, and a reinforcing bar supply unit 80 for supplying the reinforcing bar 100 upright in cross section. Forming apparatus of pipe. The method of claim 1, wherein the nozzle unit 50 is installed between the molding rotating unit 60 and the reinforcing bar supply unit 80, and then discharge the resin liquid transferred from the heating unit 40 by In order to bond the reinforcing bar 100 supplied from the reinforcing bar supply unit 80 integrally with each other, the extrusion supply pipe 510 for forming the inner tube of the structural pipe and the inner band discharged from the extrusion supply pipe 510 are mutually bonded. The appearance of the structural tube is formed by covering the mutually between the adhesive nozzle 520 installed on the upper part of the molding turning part 60 and the reinforcing table 100 spirally wound by the molding turning part 60 with a band-shaped resin solution. Apparatus forming apparatus for a synthetic resin structural pipe, characterized in that consisting of a nozzle 530 for external appearance to form a double pipe. According to claim 1, wherein the molding rotation unit 60 is a reinforcing table 100 is a constant spacing between the two disks 610, the plurality of forming rods 620 nerling on the outer circumferential surface so that the resin liquid is molded in the spiral direction Molding apparatus of a synthetic resin structural pipe characterized in that the mandrel installation. The molding apparatus according to claim 3, wherein the forming rods 620 are installed to be inclined at an angle set to be bent in a spiral direction at natural intervals at a reinforcing bar 100. According to claim 1, wherein the pressing unit 70 is the first pressure bar 710 to press the adhesive to the inner pipe strip discharged from the inner pipe nozzle 510 by the resin liquid discharged from the adhesive nozzle 520 to bond And a second pressure bar 730 that presses the reinforcing rods 100 to cover each other with the resin solution for appearance. The apparatus of claim 5, wherein each of the second pressure rods (720) is provided with a mandrel of a pressure roller (722) on the piston of the second pneumatic cylinder (721). [7] The synthetic roller of claim 6, wherein the pressure roller 722 of the pneumatic cylinder 721 forms a round jaw 723 at both ends of the pressing rollers 722 so that the external bands are easily attached to each other when the reinforcing rods 100 are connected to each other. Forming apparatus for structural pipes. According to claim 1, wherein the reinforcing bar supply unit 80 is erected on the cross section while guiding the reinforcing bar supply roller 810 to rotate easily to supply the reinforcing bar 100, and the supplied reinforcing bar 100 to facilitate bending Molding apparatus of a synthetic resin structural pipe, characterized in that composed of a reinforcing support stand (820) to support to move in a state. The apparatus of claim 8, wherein the reinforcing supporter 820 forms a guide support groove 821 to be opened downward to support and guide the reinforcing supporter 100 moving in the longitudinal direction. . The synthetic resin structural pipe according to claim 1, wherein an air supply pipe (940) is positioned on the rear portion of the molding turning part (6) to blow hot air between the inner tube band and the outer band wound in a spiral direction. Molding apparatus. According to claim 1, wherein the extruder (90) is located on one side, the raw material supply unit (30b) for supplying the adhesive resin raw material, the heating for heating the supplied raw material to melt and convey at the same time in a gel state A third main body 50b composed of a part 40b and a nozzle part 50b for discharging the adhesive resin liquid d to the extrusion molding machine 90 is separately installed on one side of the main body 20 to form a third main body ( Molding apparatus of a synthetic resin structural pipe, characterized in that it is connected to the nozzle portion (50b) of 50b). 12. The extrusion machine (90) according to claim 11, wherein the extruder (90) forms an resin liquid hole (930) at an upper portion thereof to penetrate the inverse T-shaped molding hole (920) and is connected to the nozzle portion (50a) of the second body (20a). Coupling is connected to the water supply pipe 510a, and the coating resin supply hole 931 is formed to penetrate the straight guide hole 910 so as to be connected to the nozzle portion 50b of the third body 20b. Molding apparatus of a synthetic resin structural pipe characterized in that it is connected to. According to claim 1 or 11, wherein the extrusion molding machine 90 connected to the third body (20b) is located on one side, the raw material supply unit 30a for supplying a synthetic resin raw material and the supplied raw material is heated to a gel state One side of the third body 20b includes a second body 20a including a heating part 40a for melting and conveying at the same time, and a nozzle part 50a for discharging the resin liquid a to the extruder 90. Molding apparatus of a synthetic resin structural pipe, characterized in that installed separately in the second body (20a) and connected to the nozzle portion (50a). The first, second, third, fourth and fifth pressure rollers 1410 of claim 1 or 11, wherein the reinforcing rod 100 of the flat iron band is composed of a pair of male and female to be bent into an inverted T-shaped iron band. (1420) (1430) (1440) (1450) is a synthetic resin structural pipe characterized in that it is installed between the reinforcing rod supply roller (810) and the extruder (90) to supply to the extruder (90) Molding apparatus. 15. The method according to claim 14, wherein the inverted T-shaped reinforcing table 100 passes through the extruder 90 so that the holes on both sides of the reinforcing table 100 are supplied and discharged. 920, the guide hole 910 is formed of a hole having a thickness enough to move the reinforcing rod 100 is moved, the molding hole 920 is a state in which the resin liquid (a) is embedded Forming device of a synthetic resin structural pipe, characterized in that the reinforcing table having a thickness (100) is formed into a hole enough to be discharged to communicate with each other. A raw material supply part is placed on one side of the main body to supply synthetic resin raw material, and the supplied raw material is heated in a heating part to transfer the molten resin liquid to a nozzle part, and the resin liquid heated and heated in the heating part is nozzle part. Discharge the molding rotating part and the extruder in the resin, and the resin liquid supplied to the extruder, the reinforcing bar which is penetrated while being transferred to the extruder is embedded integrally and discharged and cooled to form the inner band, and the coated reinforcing bar is formed. It is transferred to the molding rotation part and wound in the spiral direction, and the resin solution for adhesive and exterior bands is discharged and pressed in the pressing part to be molded into the shape of a double structure pipe, and spirally to the air supply pipe installed at the rear part of the molding rotation part. Hot air is blown between the inner tube band and the outer band that are wound around to form a flat appearance after cooling. Forming method of a synthetic resin structural pipe, characterized in that for producing a structural structural pipe. ※ Note: The disclosure is based on the initial application.