CN202241782U - Machining device of double-end socket pipe - Google Patents

Abstract

The utility model discloses a machining device of a double-end socket pipe. A right right-angle bracket is fixed on the right side of an operating platform; a left right-angle bracket is fixed on the left side of the operating platform; upper side die core sliding bars are fixed in front and rear of upper sides of four corners between the left right-angle bracket and the right right-angle bracket; lower side die core sliding bars are fixed in front and rear of lower sides of four corners between the left right-angle bracket and the right right-angle bracket; a right die core fixed plate and a left die core fixed plate are respectively and movably fixed on the upper and lower side die core sliding bars; the right and left die core fixed plates are connected with the right and left right-angle brackets through a right cylinder and a left cylinder; and the machining device adopts the technical process that a die core is pushed into a die after die assembly, then molten plastic material is extruded bi-directionally through two extruders, and after a die cavity is filled with the plastic material, water is charged to perform cooling forming. When a socket winding pipe and a socket pipe are spliced in a fused way, the fused splice strength keeps identical, the deviation of axiality of a water drain pipeline embedded underground is small, and the purpose of long-term reliable operation is achieved. The machining device can effectively prevent the combined water drain pipeline from deforming and crazing, and prevent the phenomenon that underground water is polluted by slow water seepage.

Description

The processing unit (plant) of double end bell-and-spigot pipe

Technical field

The processing unit (plant) of the utility model double end bell-and-spigot pipe, what relate to is spigot-and-socket plastic tube design and manufacturing technology field, is applied to the manufacturing of bell-and-spigot pipe.

Background technology

The tubing of the higher spigot-and-socket winding pipe of bearing strength as blow-off line is generally adopted in existing drainage system, is embedded in underground.And the connected mode of spigot-and-socket winding pipe: modes such as the connection of electric heating hot melt band hot melt, clamp connection, thermal contraction connection, flange connection, the connected mode intensity that has is better, and complex process connects comparatively difficulty; The unsuitable submersible of the connected mode that also has; Connect the reason made from bell-and-spigot pipe but majority is, it is even to have produced became uneven, causes the distortion of bell-and-spigot pipe easily; Human factor influence when particularly spigot-and-socket winding pipe and bell-and-spigot pipe are with the flame gun heat welded is very big; Often cause the intensity between spigot-and-socket winding pipe and the bell-and-spigot pipe to be difficult to be consistent, cause the drainage pipeline distortion and the cracking that are combined into easily, chronic infiltration meeting polluted underground water; The long-term accumulation of sewage, the consequence of generation will be very serious.

The utility model content

It is even that the purpose of the utility model is to overcome the bell-and-spigot pipe became uneven, and the defective that intensity is difficult to be consistent designs a kind of processing unit (plant) of bell-and-spigot pipe, effectively guarantee the bell-and-spigot pipe thickness evenly, the processing unit (plant) of the double end bell-and-spigot pipe that is consistent of intensity.Its technology is achieved in that the structure that 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; It is characterized in that: whole device through stationary table on the ground; The right side of workbench is fixed with right right angle rack, the left side is fixed with left right angle rack; The front and back that the front and back of four jiaos of upsides between left side right angle rack, the right right angle rack are fixed with upside core rod slide bar, downside are fixed with downside core rod slide bar; Active respectively right core rod fixed head and the left core rod fixed head of being fixed with on the upside core rod slide bar of upper die and lower die both sides, the downside core rod slide bar; Be connected through right oil cylinder, left oil cylinder between right core rod fixed head and left core rod fixed head and right right angle rack, the left right angle rack, right core rod fixed head and left core rod fixed head are fixed with right core rod, left core rod respectively; Its bell-and-spigot pipe manufacturing approach: push core rod behind the matched moulds, again by the two-way plastics material of extruding fusing of two extruders, after the 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, and buried draining piping coaxiality deviation is little, reaches operation reliably and with long-term; Effectively anti-distortion of draining piping and the cracking that is combined into of having gone up causes the generation of chronic infiltration meeting polluted underground water phenomenon.

Description of drawings

Fig. 1 is the structural representation of utility model embodiment;

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 bell-and-spigot pipe, 16-left side core rod fixed head, 17-left side core rod, 18-counterdie, 19-left side oil cylinder, 20-left side right angle rack, 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 the double end bell-and-spigot pipe, the utility model is further described:

See accompanying drawing 1, whole device fixes on the ground through 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; The front and back that the front and back of four jiaos of upsides between left side right angle rack 20, the right right angle rack 5 are fixed with upside core rod slide bar 8, downside are fixed with downside core rod slide bar 22; Active respectively right core rod fixed head 11 and the left core rod fixed head 16 of being fixed with on the upside core rod slide bar 8 of the both sides of patrix 14 and following pattern 18, the downside core rod slide bar 22; Be connected through right oil cylinder 6, left oil cylinder 19 respectively between right core rod fixed head 11 and left core rod fixed head 16 and right right angle rack 5, the left right angle rack 20, right core rod fixed head 11 and left core rod fixed head 16 are fixed with right core rod 12, left core rod 17 respectively.Workbench 4 is fixedly connected through two forcing press left columns 21 of two 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 through 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 bell-and-spigot 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 the plastics material in the die cavity after, two extruders withdraws from; The die through water cooling, double end bell-and-spigot pipe 15 is finalized.Starting 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 through 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 back stop motions; Start knockout cylinder 2 then; Ejector 3 in the top board 23 jack-up counterdies 18 on the knockout cylinder 2, double end bell-and-spigot pipe 15 is ejected counterdie 18, takes out double end bell-and-spigot pipe 15.Upper cylinder 13 starts, and depresses upper mould fixed plate 9, with patrix 14 and counterdie 18 matched moulds; After matched moulds was accomplished, upper cylinder 13 pressurizes started right oil cylinder 6, left oil cylinder 19 with right core rod 12; Left side core rod 17 gets in the mold cavity and pressurize through 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; The discharging opening of the extruder that is provided with before and after the forcing press pushes against patrix 14, and the injection port of counterdie 18 gets into the technical process that double end bell-and-spigot pipe 15 is made once more.

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 through 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 (1)

1. the processing unit (plant) of double end bell-and-spigot pipe; The structure that 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; It is characterized in that: whole device through stationary table on the ground; The right side of workbench is fixed with right right angle rack, the left side is fixed with left right angle rack; The front and back that the front and back of four jiaos of upsides between left side right angle rack, the right right angle rack are fixed with upside core rod slide bar, downside are fixed with downside core rod slide bar; Active respectively right core rod fixed head and the left core rod fixed head of being fixed with on the upside core rod slide bar of upper die and lower die both sides, the downside core rod slide bar; Be connected through right oil cylinder, left oil cylinder between right core rod fixed head and left core rod fixed head and right right angle rack, the left right angle rack, right core rod fixed head and left core rod fixed head are fixed with right core rod, left core rod respectively.

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