CN102896731A - Socket pipe processing device and manufacturing method for socket pipe - Google Patents

Abstract

A socket pipe processing device and a manufacturing method for the socket pipe. A right-right angle bracket is fixed to the right side of a workbench, and a left-right angle bracket is fixed to the left side of the workbench. An upper side mold core slider bar is arranged between the front part to the rear part of the upper side of four corners among the left-right angle bracket and the right-right angle bracket, and a lower side mold core slider bar is arranged between the front part to the rear part of the lower side of four corners among the left-right angle bracket and the right-right angle bracket, and a right mold core fixing plate and a left mold core fixing plate are respectively movably fixed thereon. The left mold core fixing plate and the right mold core fixing plate are connected with the right-right angle bracket and the left-right angle bracket via a right cylinder and a left cylinder. A technical process comprises: pushing in a mold core after closing the mold, bi-extruding a molten plastic material by a twin-screw extruder, and after the plastic material fills a mold cavity, water cooling for molding, is employed. When a socket type winding pipe is welded with the socket pipe, the weld strength is maintained consistent, coaxiality deviation of underground drainage pipe system is small, achieving long-term and reliable operation, effectively preventing the deformation and cracking of the combined drainage pipe system which causes the occurrence of chronic water seepage to contaminate groundwater.

Description

The processing unit (plant) of bell-and-spigot pipe and bell-and-spigot pipe manufacture method thereof

Technical field

The processing unit (plant) of bell-and-spigot pipe of the present invention and bell-and-spigot pipe manufacture method thereof, what relate to is socket-type plastic tube design and manufacturing technology field, is applied to the manufacturing of bell-and-spigot pipe.

Background technology

Existing drainage system generally adopts the higher spigot-and-socket winding pipe of bearing strength as the tubing of blow-off line, is embedded in underground.And the connected mode of spigot-and-socket winding pipe: the modes such as the connection of electric heating hot melt band hot melt, clamp connection, thermal contraction connection, flange connection, some connected mode intensity is better, and complex process connects comparatively difficulty; The connected mode that also has is not suitable for submersible; But majority is because connect the reason made from bell-and-spigot pipe, produced became uneven even, easily cause the distortion of bell-and-spigot pipe, human factor impact when particularly spigot-and-socket winding pipe and bell-and-spigot pipe are with the flame gun heat welded is very large, often cause the intensity between spigot-and-socket winding pipe and the bell-and-spigot pipe to be difficult to be consistent, easily cause the drainage pipeline distortion and the cracking that are combined into, chronic infiltration meeting polluted underground water, the long-term accumulation of sewage, the consequence of generation will be very serious.

Summary of the invention

The object of the invention is to overcome the bell-and-spigot pipe became uneven even, the defective that intensity is difficult to be consistent designs a kind of processing unit (plant) of bell-and-spigot pipe, effectively guarantees processing unit (plant) and the bell-and-spigot pipe manufacture method thereof of the bell-and-spigot pipe that the bell-and-spigot pipe thickness is even, Strength retention is consistent.Its technology is achieved in that and comprises forcing press, ejector, right right angle rack, right oil cylinder, upside core rod slide bar, upper mould fixed plate, fixed head, right core rod fixed head, right core rod, patrix, left core rod fixed head, left core rod, counterdie, left oil cylinder, left right angle rack and downside core rod slide bar are in interior structure, it is characterized in that: whole device fixes on the ground by workbench, the right side of workbench is fixed with right right angle rack, the left side is fixed with left right angle rack, left right angle rack, the front and back of four jiaos of upsides between the right right angle rack are fixed with upside core rod slide bar, the front and back of downside are fixed with downside core rod slide bar, the upside core rod slide bar of upper die and lower die both sides, active right core rod fixed head and the left core rod fixed head of being fixed with respectively on the downside core rod slide bar, right core rod fixed head and left core rod fixed head and right right angle rack, pass through right oil cylinder between the left right angle rack, left oil cylinder connects, and right core rod fixed head and left core rod fixed head are fixed with respectively right core rod, left core rod; Its bell-and-spigot pipe manufacture method: push core rod behind the matched moulds, again by the two-way plastics material of extruding fusing of two extruders, after plastics material is full of die cavity, the technical process of water flowing cooling and shaping.

Obvious advantage and the effect implemented after this technology are: at first overcome the even open defect of bell-and-spigot pipe became uneven, when spigot-and-socket winding pipe and bell-and-spigot pipe welding, heat seal strength is consistent, buried Sewer System coaxiality deviation is little, reach reliably and with long-term operation, prevented that effectively the Sewer System that is combined into is out of shape and cracking, causes the generation of chronic infiltration meeting polluted underground water phenomenon.

Description of drawings

Fig. 1 is the structural representation of bell-and-spigot pipe processing unit (plant) embodiment of the present invention:

Wherein, 1-melt pit, 2-knockout cylinder, 3-ejector, 4-workbench, the right right angle rack of 5-, the right oil cylinder of 6-, 7-forcing press right column, 8-upside core rod slide bar, 9-upper mould fixed plate, 10-fixed head, the right core rod fixed head of 11-, the right core rod of 12-, 13-upper cylinder, 14-patrix, 15-double-end socket pipe, the left core rod fixed head of 16-, the left core rod of 17-, 18-counterdie, the left oil cylinder of 19-, the left right angle rack of 20-, 21-forcing press left column, 22-downside core rod slide bar, 23-top board.

The specific embodiment

Below in conjunction with accompanying drawing, be fabricated to example with double-end socket pipe, the invention will be further described:

See accompanying drawing 1, whole device fixes on the ground by workbench 4, is provided with melt pit 1 in the ground.Melt pit 1 bottom surface is fixed with knockout cylinder 2, and being located at ejectors 3 in the counterdie 18, to pass workbench 4 inconsistent with the top board 23 on the knockout cylinder 2; The right side of workbench 4 is fixed with right right angle rack 5, the left side is fixed with left right angle rack 20, left right angle rack 20, the front and back of four jiaos of upsides between the right right angle rack 5 are fixed with upside core rod slide bar 8, the front and back of downside are fixed with downside core rod slide bar 22, the upside core rod slide bar 8 of the both sides of patrix 14 and lower pattern 18, active right core rod fixed head 11 and the left core rod fixed head 16 of being fixed with respectively on the downside core rod slide bar 22, right core rod fixed head 11 and left core rod fixed head 16 and right right angle rack 5, pass through respectively right oil cylinder 6 between the left right angle rack 20, left oil cylinder 19 connects, and right core rod fixed head 11 and left core rod fixed head 16 are fixed with respectively right core rod 12, left core rod 17.Workbench 4 is fixedly connected with by two forcing press left columns 21 of two the forcing press right columns 7 in front and back and front and back with fixed head 10 and is integral the decomposition pressure machine; The forcing press upside is provided with the upper mould fixed plate 9 that slides along between forcing press right column 7, the forcing press left column 21, and upper mould fixed plate 9 links together by the upper cylinder 13 that is fixed on fixed head 10.Upper mould fixed plate 9 downsides are fixed with patrix 14, are fixed with counterdie 18 on the table top of workbench 4.

See accompanying drawing 1, the manufacturing of double-end socket pipe 15 is to realize like this.At first, incorporated patrix 14, counterdie 18 is shelved on the table top of workbench 4, and the ejector 3 in the counterdie 18 is inconsistent with top board 23; Starting right oil cylinder 6, left oil cylinder 19 pushes right core rod 12, left core rod 17 in the die cavity of right core rod 12, left core rod 17, proofread and correct patrix 14, counterdie 18, reach the tram after, respectively patrix 14 is fixed on the upper and lower mould 18 of upper mould fixed plate 9 downsides and is fixed on workbench 4, form injection molding.The two-way patrix 14 that pushes against of discharging opening of two extruders that are provided with before and after the forcing press, the injection port of counterdie 18 is respectively to patrix 14, the plastics material that injection has been melted in the die cavity of counterdie 18, wait be full of plastics material in the die cavity after, two extruders withdraws from, the die through water cooling, double-end socket pipe 15 is finalized.Start right oil cylinder 6, left oil cylinder 19 withdraws from right core rod 12, left core rod 17 along upside core rod slide bar 8, downside core rod slide bar 22 by right core rod fixed head 11 and left core rod fixed head 16 in mold cavity; Upper cylinder 13 starts, and lifts on the upper mould fixed plate 9, drives patrix 14 and breaks away from counterdie 18 rear stop motions, then start knockout cylinder 2, ejector 3 in the top board 23 jack-up counterdies 18 on the knockout cylinder 2, double-end socket pipe 15 is ejected counterdie 18, takes out double-end socket pipe 15.Upper cylinder 13 starts, depress upper mould fixed plate 9, with patrix 14 and counterdie 18 matched moulds, after matched moulds is finished, upper cylinder 13 pressurizes start right oil cylinder 6, left oil cylinder 19 and enter in the mold cavity and pressurize by right core rod fixed head 11 and left core rod fixed head 16 along upside core rod slide bar 8, downside core rod slide bar 22 right core rod 12, left core rod 17, and the discharging opening of the extruder that is provided with before and after the forcing press pushes against patrix 14, the injection port of counterdie 18 enters the technical process that double-end socket pipe 15 is made again.

By above-mentioned process, change the structure of mould, the spigot-and-socket winding pipe is pushed in the mold cavity, extrude the plastics material of fusing by extruder, form unidirectional bell-and-spigot pipe 15, directly with the welding of spigot-and-socket winding pipe, composition is with the spigot-and-socket winding pipe of unidirectional bell-and-spigot pipe 15, also in the claim coverage of this patent.

Claims (2)

1. the processing unit (plant) of bell-and-spigot pipe and bell-and-spigot pipe manufacture method thereof, comprise forcing press, ejector, right right angle rack, right oil cylinder, upside core rod slide bar, upper mould fixed plate, fixed head, right core rod fixed head, right core rod, patrix, right core rod fixed head, left core rod, counterdie, left oil cylinder, left right angle rack and downside core rod slide bar are in interior structure, it is characterized in that: whole device fixes on the ground by workbench, the right side of workbench is fixed with right right angle rack, the left side is fixed with left right angle rack, left right angle rack, the front and back of four jiaos of upsides between the right right angle rack are fixed with upside core rod slide bar, the front and back of downside are fixed with downside core rod slide bar, the upside core rod slide bar of upper die and lower die both sides, active right core rod fixed head and the left core rod fixed head of being fixed with respectively on the downside core rod slide bar, right core rod fixed head and left core rod fixed head and right right angle rack, pass through right oil cylinder between the left right angle rack, left oil cylinder connects, and right core rod fixed head and left core rod fixed head are fixed with respectively right core rod, left core rod.

2. the processing unit (plant) of bell-and-spigot pipe according to claim 1 and bell-and-spigot pipe manufacture method thereof, it is characterized in that: its bell-and-spigot pipe manufacture method: push core rod behind the matched moulds, again by the two-way plastics material of extruding fusing of two extruders, after plastics material is full of die cavity, the technical process of water flowing cooling and shaping.

Images