CN203236702U - Built-in ultra-high molecular weight polyethylene pipe flanging machine - Google Patents

Abstract

The utility model belongs to the plastic composite pipe manufacturing equipment and especially relates to a built-in ultra-high molecular weight polyethylene pipe flanging machine. Internal and external parallel horn mouths are formed at the left end of a lead screw swelling mould (2); a plurality of projecting ribs (3-1) are arranged on the tapered outer circumference of a tapered lead screw (3) at an oblique angle of 45 degrees; projecting rib sliding grooves (2-1) corresponding to the projecting ribs (3-1) are formed on the inner wall of the horn mouths of the left end of the lead screw swelling mould (2); a flanging mould (4) with a hollow groove inside is sleeved to the outer circumferential surface of the right end of the lead screw swelling mould (2); a heater (8) is mounted in the hollow groove of the flanging mould (4) and sealed by a heater mounting plate (7); a flanging handwheel (5) which is sleeved outside the right end of the lead screw swelling mould (2) is connected to the heater mounting plate (7) at the right end face of the flanging mould (4); a positioning handwheel (6) is in threaded connection with the tapered lead screw (3) at the right end of the flanging handwheel (5). The flanging forming of an ultra-high molecular weight polyethylene pipe difficult to process can be completed at one time on the same device without replacing the mould; and therefore, the labor productivity is improved.

Description

Built-in ultrahigh molecular weight polyethylene tubing flanger

Technical field

The utility model belongs to the compound plastic pipe manufacturing equipment, particularly a kind of built-in ultrahigh molecular weight polyethylene tubing flanger.

Background technology

Ultra-high molecular weight polyethylene is viscosity average molecular weigh greater than 1,500,000 linear polyethylene, have wear-resisting, shock-resistant, self-lubricating, the excellent Integrated using performance such as corrosion-resistant, ultrahigh molecular weight polyethylene tubing is used for the mass transport of pressed powder, solidliquid mixture, one of its pipes connecting method in construction is to adopt Flange to connect, namely put the metal flange of standard from the end of ultrahigh molecular weight polyethylene tubing, then pipe end is carried out flange, thereby realize the flange docking of tubing.Owing to be high viscoelastic attitude during the ultra-high molecular weight polyethylene melting, even temperature reaches fusing point, also almost without mobile, so the processing of the flange of ultrahigh molecular weight polyethylene tubing is more difficult than general plastic pipe.

The turn-up process of existing ultrahigh molecular weight polyethylene tubing be existing tubing is burnt with naked light or in heater, be heated to softening after, tubing moved on to tentatively be shaped to horn mouth on the flange die, then tubing is removed from flange die, after heating, be placed on again and be shaped to the typhon mouth on the flange die, then again tubing is removed again heating, be placed on again on the qualitative mould and finish flange, the shortcoming of this method is that operation is many, heating separates with the process of flange, inefficiency, troublesome poeration, and tubing limit section occurs easily during flange and break, the flange quality can not be guaranteed." belling machine for plastic pipeline " and " plastic expansion mouth edge tilting machine " (Chinese patent ZL93236559.0) and " plastic expanding mouth flanger " (Chinese patent ZL92208197.2) need to change flaring die and stock mould in enlarging and typing operating process, operational sequence is more, need the time longer, cause flange time and cost higher, " a kind of flanging machine for plastic tube " (Chinese patent ZL03261894.8) adopted one-shaping technique, but equipment uses operation numerous and diverse, dismounting inconvenience, the time is longer.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of simple in structure, easy to operate, and production efficiency is high, reduces the built-in ultrahigh molecular weight polyethylene tubing flanger of labor strength.

The technical scheme that the utility model technical solution problem adopts is: built-in ultrahigh molecular weight polyethylene tubing flanger comprises located hand wheel, flange handwheel, plastic pipe, leading screw rise mould, taper leading screw, be characterized in that at the rise left end of mould of leading screw be inside and outside parallel toroidal, the rise male cone (strobilus masculinus) of mould and plastic pipe inwall and inner conical surface and taper leading screw horizontal sextant angle of leading screw is α ₁And α ₂, α ₁And α ₂The angle is 10 degree, conical external circle Zhou Shangcheng 45 degree oblique angles at the taper leading screw are provided with several salient rib, be provided with the salient rib chute corresponding with salient rib at the leading screw mould left end horn mouth inwall that rises, in leading screw rises by one of mould right-hand member outer circumference surface suit with the flange die of hollow recess, in the hollow recess of flange die, seal mounting heater with the heater installing plate, the radial communication heater is provided with the heater wire connecting hole on flange die edge wall, heater installing plate adapter sleeve on the right side of flange die is contained in the rise flange handwheel of mould right-hand member outside of leading screw, and the flange die Leading end chamfer becomes angle with level be β ₁, β ₁Be 25 degree, the flange die outer circle wall conical surface is β from the horizontal by angle ₂, β ₂Be 5 degree, the axial outer wall of flange die is connected the circular arc of usefulness with the radial outer wall transition radius is γ, and γ is 10mm, at the taper leading screw of the right-hand member of the flange handwheel located hand wheel that is threaded.

The beneficial effects of the utility model are: heating, flange, shaping process are integrated, on same device, do not need mold exchange more to have and disposablely to finish the comparatively flange moulding of the ultrahigh molecular weight polyethylene tubing of difficulty of processing, shortened operating time and workman's labour intensity, the characteristics of flange reliable in quality, can obviously improve product quality, raise labour productivity, being suitable for vast plastic tube factory uses, this device fabrication cost is low, technical merit is higher, and this equipment economic benefit of production is very considerable.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 is built-in ultrahigh molecular weight polyethylene tubing flanger structure chart.

Among the figure, the 1-plastic pipe; The 2-leading screw mould that rises; 2-1-projection side of body chute; 3-taper leading screw; The 3-1-salient rib; The 4-flange die; 4-1-heater wire connecting hole; The 4-2-annular recess; 5-flange handwheel; The 6-located hand wheel; 7-heater installing plate; The 8-heater; α ₁-leading screw rise mould male cone (strobilus masculinus) and plastic pipe inner wall angle; α ₂-leading screw rise mould inner conical surface and taper leading screw horizontal sextant angle; β ₁-flange die Leading end chamfer becomes angle with level; β ₂-flange die outer wall the conical surface is from the horizontal by angle; The radius of the crooked circular arc of γ-flange die.

The specific embodiment

Embodiment, with reference to accompanying drawing 1, built-in ultrahigh molecular weight polyethylene tubing flanger is that the rise left end of mould 2 of leading screw becomes inside and outside parallel toroidal, the rise male cone (strobilus masculinus) of mould 2 of leading screw becomes angle α with its inner conical surface with taper leading screw 3 levels with plastic tube 1 inwall ₁And α ₂, α ₁And α ₂The angle is 10 degree, is provided with eight road salient rib 3-1 at the conical external circle Zhou Shangcheng 45 of taper leading screw 3 degree oblique angles, is provided with the salient rib chute 2-1 corresponding with salient rib 3-1 at the leading screw mould 2 left end horn mouth inwalls that rise, and the leading screw mould 2 that rises is threaded with taper leading screw 3.In leading screw rises by one of mould 2 right-hand member outer circumference surfaces suit with the flange die 4 of hollow recess, in the interior hollow recess of flange die 4, fill an annular electro heater 8 with heater installing plate 7, be provided with the annular recess 4-2 of flange-like at the inner face of flange die 4, on the edge of flange die 4 wall, radially be provided be communicated with heater 8 add device electric wire connecting hole 4-1, the diameter of heater wire connecting hole 4-1 is 5mm.Heater installing plate 7 adapter sleeves on the right side of flange die 4 are contained in the rise flange handwheel 5 of mould 4 right-hand members outsides of leading screw, and flange handwheel 5 clockwise rotates, and flange die 4 is to left movement, at the taper leading screw 3 of the right-hand member of flange handwheel 5 located hand wheel 6 that is threaded.The Leading end chamfer of flange die 4 becomes angle β with level ₁, β ₁Be 25 degree, the flange die 4 outer circle wall conical surfaces are β from the horizontal by the straight angle ₂, β ₂Be 5 degree, the radius of the circular arc of flange die 4 outside bendings is γ, and γ is 10mm.

The course of work of built-in ultrahigh molecular weight polyethylene tubing flanger is: rise mould 2 and taper leading screw 3 of leading screw stretched into plastic pipe 1 inside, one end of flange die 4 stretch into plastic pipe 1 inner a little, turn clockwise located hand wheel 6 with the hemmer centralized positioning and be fixed on the plastic pipe 1, connect heater 8, make flange die 4 be warming up to design temperature (175 ~ 185 ℃), flange die 4 conducts heat to plastic pipe 1, make plastic pipe 1 and the contact portion of the tubular body of flange die 4 be subjected to thermal softening, then up time rotating flanging handwheel 5, flange handwheel 5 extruding flange dies 4, flange die 4 is vertically to the squeezable plastic tube material 1 that moves to left, under the effect of the taper seat enlarging of flange die 4, gradually enlarging and turning up of plastic pipe 1, and enter among the annular recess 4-2 of flange die, because the barrier effect of annular groove 4-2 wall, the gradually ring type filling connected in star 4-2 of part that turns up of plastic pipe 1, insulation a period of time, close heater 8, then gradually cooling, after making the complete curing molding of plastic pipe 1 flange part, be rotated counterclockwise located hand wheel 6 and shed flanger, namely obtain having the plastic pipe of turnup structure, the flange that can be used for plastic pipe 1 connects.

Claims (1)

1. built-in ultrahigh molecular weight polyethylene tubing flanger, comprise located hand wheel (6), flange handwheel (5), plastic pipe (1), leading screw rise mould (2), taper leading screw (3), it is characterized in that at the rise left end of mould (2) of leading screw be inside and outside parallel toroidal, the rise male cone (strobilus masculinus) of mould (2) and plastic pipe (1) inwall and inner conical surface and taper leading screw (3) horizontal sextant angle of leading screw is α ₁And α ₂, α ₁And α ₂The angle is 10 degree, conical external circle Zhou Shangcheng 45 degree oblique angles at taper leading screw (3) are provided with several salient rib (3-1), be provided with the salient rib chute (2-1) corresponding with salient rib (3-1) at leading screw mould (2) the left end horn mouth inwall that rises, in leading screw rises by one of mould (2) right-hand member outer circumference surface suit with the flange die (4) of hollow recess, in the hollow recess of flange die (4), seal mounting heater (8) with heater installing plate (7), the radial communication heater is provided with heater (8) electric wire connecting hole (4-1) on flange die (4) edge wall, heater installing plate (7) adapter sleeve on the right side of flange die (4) is contained in the rise flange handwheel (5) of mould (2) right-hand member outside of leading screw, and flange die (4) Leading end chamfer becomes angle with level be β ₁, β ₁Be 25 degree, flange die (4) the outer circle wall conical surface is β from the horizontal by angle ₂, β ₂Be 5 degree, flange die (4) the axially outer wall arc radius that is connected usefulness with the radial outer wall transition is γ, and γ is 10mm, at the taper leading screw (3) of the right-hand member of flange handwheel (5) located hand wheel (6) that is threaded.