Superhigh molecular weight polyethylene pipe heat-melting butt-joint device
Technical field
The utility model relates to a kind of heat-melting butt-joint device, particularly a kind of superhigh molecular weight polyethylene pipe heat-melting butt-joint device.
Background technology
Ultra high molecular polyethylene pipe is a kind of body with high abrasion resistance, high-impact, high self lubricity, good chemical resistance, good resistance to low temperature, good sanitation performance, good non-absorbency, good not viscosity, density minimum, good electrical insulation properties and good environmental stress crack resistance in all engineering plastics, and its scope of application is wider.
At present, for the welding of ultra high molecular polyethylene pipe, conventionally use conventional sweating welder to implement, in welding process, not only the preparation before welding is comparatively loaded down with trivial details, and the extraction after welding comparatively bothers, and easily occurs the situation that not prison welding is solid.
Summary of the invention
The deficiency existing for prior art, the utility model provides a kind of superhigh molecular weight polyethylene pipe heat-melting butt-joint device easily that welds and extract.
For achieving the above object, the utility model provides following technical scheme: a kind of superhigh molecular weight polyethylene pipe heat-melting butt-joint device, it is characterized in that: include in pipe tensioner extraction mechanism and be sheathed on the outer hold-fast body of the pipe outside tensioner extraction mechanism in pipe, in described pipe, tensioner extraction mechanism includes skeleton body, is sheathed on this external contractile rubber tension ring of skeleton and is sheathed on collapsible anchor ear in the pipe outside rubber tension ring; The outer hold-fast body of described pipe includes and is sheathed on the outer anchor ear of the pipe on collapsible anchor ear in pipe, and in described pipe, collapsible anchor ear is provided with body between outer anchor ear and docks space with managing; Body docking is provided with thermal insulation layer in space, and thermal insulation layer arranges with the outer wall of the interior collapsible anchor ear of pipe and the inwall laminating of the outer anchor ear of pipe respectively.
Adopt technique scheme, ultra high molecular polyethylene pipe after heating plate heating is in docking operation, being inserted into tensioner extraction mechanism in pipe docks in space with the body between the outer hold-fast body of pipe, by managing the expansion of collapsible rubber tension ring in interior tensioner extraction mechanism, collapsible rubber rises after ring expands and implements extruding towards the outside to managing interior collapsible anchor ear, because the outer hold-fast body of pipe plays the effect of holding tightly, its body can not be moved, and the body in body docking space just can be implemented docking after being subject to managing the extruding of interior collapsible anchor ear.Docking is set so convenient, fastening; And after body has docked, collapsible rubber tension ring contact is expanded, and returns back to original state, by extracting skeleton body, can collapsible anchor ear in rubber tension ring and pipe be taken out simultaneously, easy to operate, reduced production cost.The setting of thermal insulation layer is that the heat in order to reduce ultra high molecular polyethylene pipe and to insert in body docking space after heating runs off, can effectively prevent heat to run off and cause the enforcement that ultra high molecular polyethylene pipe cannot be firm to be docked, the steadiness while having guaranteed the docking of ultra high molecular polyethylene pipe.
The utility model is further set to: in rubber tension ring, be provided with some gas packing spaces, each gas packing space respectively with the air inlet pipe and the blast pipe conducting that are inserted on rubber tension ring.
Adopt technique scheme, by air inlet pipe place is entered to gas, gas enters in the gas packing space in rubber tension ring, and rubber tension ring is expanded; After rubber tension ring completes the required expansion of ultra high molecular polyethylene pipe, by blast pipe, the gas in rubber tension ring is discharged, make rubber tension ring reply original state, setting operation is convenient like this.
The utility model is further set to: skeleton body include tubbiness support column, with support column axially any one section of baffle plate being connected and the stay cord that is connected with baffle plate.
Adopt technique scheme, after in skeleton body, the installation of support column overhead gage and stay cord can facilitate body docking, the extraction to skeleton body.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the use view of the utility model embodiment.
The specific embodiment
A kind of superhigh molecular weight polyethylene pipe heat-melting butt-joint device as shown in Figure 1 and Figure 2, includes the interior tensioner extraction mechanism 1 of pipe and is sheathed on the outer hold-fast body 2 of the pipe outside tensioner extraction mechanism 1 in pipe.Wherein, in pipe, tensioner extraction mechanism 1 includes skeleton body 11, is sheathed on the contractile rubber tension ring 12 outside skeleton body 11 and is sheathed on collapsible anchor ear 13 in the pipe outside contractile rubber tension ring 12; Manage outer hold-fast body 2 and include and be sheathed on the outer anchor ear 21 of the pipe on collapsible anchor ear 13 in pipe, pipe in collapsible anchor ear 13 between outer anchor ear 21, be provided with body and dock space 3 with managing.In such scheme, ultra high molecular polyethylene pipe 4 after heating plate heating is in docking operation, be inserted into tensioner extraction mechanism 1 in pipe and manage body between outer hold-fast body 2 and dock in space 3, by managing the expansion of collapsible rubber tension ring 12 in interior tensioner extraction mechanism 1, the extruding that contractile rubber rises and implements towards the outside managing interior collapsible anchor ear 13 after ring 12 expands, because the outer hold-fast body 2 of pipe plays the effect of holding tightly, its body can not be moved, body in body docking space 3 just can be implemented docking after being subject to managing the extruding of interior collapsible anchor ear 13.Docking is set so convenient, fastening.Skeleton body 11 in the utility model embodiment includes the support column 111 of tubbiness, the baffle plate 112 being connected with the axially any one end of support column 111 and the stay cord 113 being connected with baffle plate 112.Arranging is like this for after ultra high molecular polyethylene pipe 4 has docked, and collapsible rubber tension ring 12 is removed and expanded, and returns back to original state, by stretching, extract skeleton body 11, can collapsible anchor ear 13 in rubber tension ring 12 and pipe be taken out simultaneously, easy to operate, reduced production cost.It should be noted that, anchor ear is by two, mutually to lock friction tight arcuation body fastening to form ring body, wherein, manage outer anchor ear 21 and lock by fixture, and in pipe, collapsible anchor ear 13 has certain shrink space, adjustable.
In the utility model embodiment, in order to reduce ultra high molecular polyethylene pipe 4, after heating, insert the heat of body docking space 3 when interior and run off, body docking is provided with thermal insulation layer 5 in space 3, and thermal insulation layer 5 arranges with the outer wall of the interior collapsible anchor ear 13 of pipe and the inwall laminating of the outer anchor ear 21 of pipe respectively.The setting of thermal insulation layer 5 can effectively prevent that heat runs off and causes the enforcement that ultra high molecular polyethylene pipe 4 cannot be firm to be docked, the steadiness while having guaranteed 4 docking of ultra high molecular polyethylene pipe.It should be noted that, thermal insulation layer 5 can be alumina silicate fibre or filling polyurethane layer, is all feasible.
In the utility model embodiment, in rubber tension ring 12, be provided with some gas packing spaces 121, each gas packing space 121 respectively with the air inlet pipe 122 and blast pipe 123 conductings that are inserted on rubber tension ring 12.By air inlet pipe 122 places are entered to gas, gas enters in the gas packing space 121 in rubber tension ring 12, and rubber tension ring 12 is expanded; After rubber tension ring 12 completes the required expansion of ultra high molecular polyethylene pipe 4, by blast pipe 123, the gas in rubber tension ring 12 is discharged, make rubber tension ring 12 reply original state, setting operation is convenient like this.