240 results about "Plastic pipework" patented technology

The utility model relates to the technical field of pipeline processing, in particular to a pipeline fixer for plastic pipeline processing, which comprises a support frame, the surface of the support frame is provided with a first fixing frame and a second fixing frame which are used for clamping a pipeline, the side wall of the support frame is connected with a sliding block in a sliding mode, and the surface of the sliding block is fixedly provided with an annular frame. The side wall of the annular frame is rotationally connected with a rotating ring. The rotating ring and the connecting ring are arranged on the sliding block, the rotating ring and the connecting ring can rotate, when the rotating ring rotates, the polishing mechanism on the surface can be used for polishing the surface of a pipeline, and the phenomenon that the coating effect is affected by dirt on the surface of the pipeline is reduced; and therefore, the pipeline surface coating device is more convenient, and the processing time is saved.

The invention relates to the technical field of pipeline solid waste material treatment, in particular to a pipeline solid waste grading crusher and a material recycling method thereof.The pipeline solid waste grading crusher comprises an outer shell with the bottom face provided with a supporting base, a first feeding frame and a second feeding frame, and the first feeding frame and the second feeding frame are sequentially installed above the outer shell from front to back; and a first-stage crushing assembly and a second-stage crushing assembly are sequentially installed in the outer shell from top to bottom, a moving ring is connected to the interior of the left side of a second feeding frame through a connecting control mechanism, a cross frame body is installed in the moving ring, and cutter assemblies used for preliminary slitting are symmetrically fixed to the right side face of the cross frame body. According to the pipeline solid waste grading crusher and the material recycling method thereof, aged or damaged hard plastic pipelines can be conveniently and preliminarily cleaned, and the situation that the crushing efficiency and quality are affected by impurities such as sludge is avoided, so that the crushing and recycling efficiency and quality of the plastic pipelines can be improved, and plastic particles obtained after crushing are conveniently recycled and reused in the later period.

The invention discloses an on-line laser cutting device for a plastic pipeline. The on-line laser cutting device comprises a base, a feeding mechanism, a rotating mechanism, a laser cutting mechanism and a guide mechanism, the feeding mechanism adopts a spiral driving roller set and a lifting type driven roller set which are symmetrical up and down, so that stable conveying and pipe diameter self-adaption of the pipeline are realized; the rotating mechanism drives a limiting ring to rotate through a gear ring and is matched with an elastic guide roller and a pressure sensor to dynamically adjust clamping force; the laser cutting mechanism is integrated with a visual positioning unit and an XY sliding rail, the path of a laser cutting head is accurately controlled, and smoke dust is removed in combination with a negative pressure suction system; and the guide mechanism is adaptive to pipelines with different lengths through a spacing-adjustable bracket. The device solves the problems that a traditional cutting process is low in precision, poor in efficiency and serious in pollution, has the advantages of being high in notch flatness, stable in continuous production and high in environmental protection performance, and is suitable for an automatic production line of PVC pipelines.

The invention discloses an automatic plastic pipeline winding machine, and relates to the field of plastic pipeline production, the automatic plastic pipeline winding machine comprises a mold driving mechanism, a winding mold pipe and a formed plastic pipe conveying mechanism, the mold driving mechanism comprises a base, a sliding bottom plate and roller carriers, the sliding bottom plate is slidably mounted on the base, and multiple groups of roller carriers are mounted on the sliding bottom plate at intervals; the winding mold pipe is arranged on the roller frame, a cooling pipe is fixedly installed in the winding mold pipe, a plurality of independent cooling cavities are formed between the inner wall and the outer wall of the winding mold pipe in the axial direction of the winding mold pipe, each cooling cavity is provided with an air inlet hose, and the two ends of each air inlet hose are connected with the corresponding cooling pipe and the inner wall of the winding mold pipe correspondingly; the heating mechanism comprises a flame gun installed towards the winding die pipe, the formed plastic pipe conveying mechanism is used for conveying a material belt to the winding die pipe and conveying a plastic pipe to the wound material belt, on one hand, the shrinkage pulling force generated by later cooling is reduced, and on the other hand, the winding coverage area of the front and rear material belts is reduced.

The invention relates to the technical field of die heads for extrusion molding of plastic pipelines, in particular to a multi-layer co-extrusion pipe die head with a pre-diverter. In order to solve the problems that a traditional co-extrusion pipe die head shunting structure is integrated on a spiral body, melt retention and uneven distribution are easily caused due to limited runners and steep steering, and then deviation of the wall thickness of a pipe is caused, the scheme is provided with a die body, the spiral body containing three layers of spiral distribution runners, and a first pre-shunting device and a second pre-shunting device which are sequentially arranged in the axial direction; the first pre-diverter diverts an outer-layer melt to an outer-layer spiral distribution runner through a first annular gap runner, and the second pre-diverter diverts an inner-layer melt to an inner-layer spiral distribution runner through a second annular gap runner, and is matched with a plurality of groups of feeding channels, a diversion cone, a closed-loop heating temperature control system and a layered and integrally combined wall thickness adjusting structure; and precise shunting and stable conveying of the melt are achieved. According to the scheme, the melt retention risk is eliminated, the distribution uniformity is improved, the pipe forming quality is guaranteed, and the device is suitable for multi-specification production and convenient to maintain.

The invention discloses plastic pipeline particles prepared from waste incineration fly ash and a preparation method of the plastic pipeline particles. The particles are prepared from the following raw materials in parts by weight: 5-25 parts of PE, 20-100 parts of superfine calcium carbonate, 1-5 parts of needle-like wollastonite, 1-5 parts of chopped carbon fibers, 1-15 parts of rutile type titanium dioxide, 10-75 parts of waste incineration fly ash, 1-20 parts of paraffin, 0.2-5 parts of a coupling agent and 0.5-10 parts of a dispersing agent. The preparation method comprises the following steps: 1, cleaning and airing the fly ash, and crushing and grinding the fly ash into 600-1250-mesh powder P; 2, mixing the powder P with inorganic fillers such as superfine calcium carbonate at a high speed of 100-130 DEG C to obtain a composite filler M; 3, mixing and modifying the filler M with a dispersing agent and a coupling agent at a high speed to obtain modified powder MP; 4, MP, PE and paraffin are mixed and plasticized at a high speed, and single-screw extrusion granulation is performed. The particles achieve fly ash recycling and are excellent in processability, the prepared PE pipeline is high in strength, resistant to corrosion and long in service life and can be used as an industrial or municipal sewage pipeline, and the preparation method is convenient, fast and efficient.

The utility model provides a pipeline extruding and winding device, belongs to the technical field of plastic pipeline production equipment, and aims to solve the problems that in the process of winding a high-toughness pipeline by a winding machine, manual tightening is needed during binding, so that a pipeline head can be bound after being attached to a pipeline roll, two persons are needed for simultaneous operation, the manual labor intensity is high, and time and labor are wasted. Comprising a vertical plate, a motor is arranged on the back of the vertical plate to drive a rolling ring in front of the vertical plate, a plurality of U-shaped storage frames are distributed on the circumference of the front side of the rolling ring, a top frame is arranged at the top of the vertical plate, a guide structure is arranged on the top frame, a side frame is arranged on one side of the vertical plate, and an air cylinder is arranged on the side frame. An output shaft of the air cylinder penetrates through the side frame to be connected with a pressing plate, and the extrusion face of the pressing plate is parallel to the circumferential tangent plane of the rolling ring.

The invention discloses a multi-layer composite pipe as well as a preparation method and application thereof, and relates to the technical field of plastic pipelines. The multi-layer composite pipe sequentially comprises an anti-freezing outer layer, a bonding layer and a pressure-bearing inner layer from outside to inside, and the anti-freezing outer layer comprises PPR; nanoparticles; an elastic body; the bonding layer comprises a gradient copolymer, and preparation raw materials of the gradient copolymer comprise PP, PE and a silane coupling agent; the gradient copolymer sequentially comprises a first gradient layer, a second gradient layer and a third gradient layer in the thickness direction of the bonding layer, the mass ratio of PP to PE in the first gradient layer is 7: 3-8: 2, the mass ratio of PP to PE in the second gradient layer is 4: 6-5: 5, and the mass ratio of PP to PE in the third gradient layer is 2: 8-3: 7; and the pressure-bearing inner layer comprises PERT and peroxide. The multi-layer composite pipe provided by the invention has excellent frost crack resistance and long-term hydrostatic stability.

The invention provides a high-strength anti-impact ABS pipe production technology and device, and the technology comprises the following steps: S1, raw material preparation and pretreatment: drying an ABS resin raw material at 80-90 DEG C for 2-4 h, adding color master batch, a stabilizer and other assistants according to a certain ratio, and uniformly mixing; s2, extrusion molding: pouring the mixed raw materials into a hopper of a plastic pipeline manufacturing device, melting the mixed raw materials in the plastic pipeline manufacturing device, and continuously extruding the mixed raw materials through a mouth mold; s3, sizing and cooling: enabling the extruded tubular parison to enter a sizing device for sizing and forming the outer diameter of the tubular product, and spraying cooling water to the surface of the tubular product through a cooling device for cooling; and S4, traction and cutting are conducted, specifically, the pipe is clamped and pulled out at a constant speed through a traction device, the traction speed is synchronous with the extrusion speed, and after the continuously-produced pipe reaches the preset length, the pipe is automatically or semi-automatically cut through a cutting device. The ABS pipe is cooled in a gradient mode after cooling water is subjected to segmented temperature control, equipment connected when the device is used is reduced, the installation efficiency is improved, and daily maintenance is facilitated.

A manual or hand-held plastic pipe scraper and inspection tool comprising a pipe scraper body 1 having an angled pipe-scraper blade (6, fig 3) and a mirror 2 to view difficult to see preparation areas

The utility model discloses a kind of anti-static fluoroplastic pipeline connecting pieces, it is related to pipeline connecting piece technical field.The utility model includes two pairs of butt joint limiting components of symmetrical arrangement, butt joint limiting component includes trapezoidal transmission ring and trapezoidal transmission block, trapezoidal transmission ring and trapezoidal transmission block between sliding fit, trapezoidal transmission block one side is fixedly connected with arc limiting plate by transmission horizontal column, coaxial heart rotationally connected with butt joint adjusting component between butt joint limiting component, the adjusting support pipe of butt joint adjusting component rotationally arranged, telescopic adjusting pipe is slidably arranged in adjusting support pipe.The utility model is slid along adjusting support pipe inner wall by telescopic adjusting pipe, adjust the spacing between two butt joint limiting components, control trapezoidal transmission ring sliding, between trapezoidal transmission ring and trapezoidal transmission block sliding fit, arc limiting plate radial movement carries out position limitation to plastic pipeline, the connection limitation between different distance to be butt joint pipe is realized.

The utility model discloses a forming device for processing a plastic-lined steel pipe, which belongs to the field of plastic-lined steel pipe processing and comprises a plastic-lined steel pipe processing base, a heating mechanism is arranged at the top of the plastic-lined steel pipe processing base, and a plastic-lined steel pipe forming part is arranged in the heating mechanism. The plastic pipeline can be automatically filled with high-pressure gas when the steel pipe layer and the plastic layer of the plastic-lined steel pipe forming part are heated, the plastic layer can be better attached to the inner wall of the steel pipe through the high-pressure gas, meanwhile, sufficient diffusion and permeation of a binding agent between the plastic layer and the steel pipe are promoted, and therefore the binding force between the plastic layer and the steel pipe is enhanced; the gas pressure and the gas flow are adjusted, so that the phenomenon of layering or stripping between the plastic layer and the steel pipe in the subsequent cooling and using process can be avoided, and the distribution and the thickness of the plastic layer on the inner wall of the steel pipe can be controlled by adjusting the gas pressure and the gas flow, so that the uniformity and the flatness of the plastic layer are ensured.

The utility model relates to the technical field of plastic pipeline production, especially a kind of plastic pipeline processing double-screw extruder, including frame;Still including machine barrel, several machine barrels are fixedly connected on rack, adjacent machine barrel is connected by bolt, machine barrel end bolt connection has blanking barrel, fast connecting support is fixedly connected on machine barrel top, sealing assembly is connected on fast connecting support, selection control component is fixedly connected on rack, and selection control component's output end is connected with fast connecting component;The utility model is connected by multiple machine barrels, meanwhile, multiple fast connecting supports are equipped on multiple machine barrels, then the rapid switching of real-time channel using multiple components, the modularization of device is realized, it is very convenient for subsequent local cleaning and maintenance, greatly improve work efficiency, while can be more maintenance and cleaning condition, flexible adjustment is carried out to blanking passage, can adapt to multiple process flows, and the quality of product produced is better.

The utility model discloses an automatic polyethylene cylinder film heating and sealing device which comprises a workbench, and a plastic pipeline is placed above the workbench. Driving modules are arranged on the two sides of the top of the workbench, transmission mechanisms are arranged on the two sides of the top of the workbench, and the driving modules are at least used for driving the transmission mechanisms to operate. A telescopic assembly is arranged on the transmission mechanism, a heater is arranged at the end of the telescopic assembly, the telescopic assembly is at least used for front-back movement of the heater, and the heater is at least used for heating and shaping polyethylene barrel films at the two ends of the plastic pipeline. The driving module drives the transmission mechanism to move, the position of the heater is changed, the plastic pipeline sealing device can be suitable for sealing operation of plastic pipelines with different lengths, the plastic pipelines are sealed through the heater, and the sealing efficiency is improved. The problems that in the automatic packaging process of a production line of a plastic pipeline, when a polyethylene (PE) barrel film is used for packaging and sealing, the pre-length needs to be used, and the polyethylene (PE) barrel film is wasted are solved.

The invention discloses a multi-layer weft steel skeleton and a pipeline thereof, and relates to the technical field of steel skeleton pipelines, the multi-layer weft steel skeleton comprises internal supporting warps, external spiral wefts are spirally welded outside the internal supporting warps, the internal supporting warps are formed by arranging a plurality of independent warps in the circumferential direction, and the external spiral wefts are spirally welded outside the internal supporting warps. According to the steel skeleton composite plastic pipeline, by means of the unique triangular arrangement structure design of the external spiral wefts, the stress condition of the steel skeleton composite plastic pipeline in the using process is improved, radial deformation of the pipe wall is effectively restrained, and the service life of the steel skeleton composite plastic pipeline is prolonged. And meanwhile, the internal supporting longitude lines cooperatively provide axial rigid support, the overall pressure bearing capacity and impact resistance of the pipeline are remarkably improved through the combined action of the internal supporting longitude lines and the external supporting longitude lines, the phenomenon that the pipeline is exploded in the using process of the steel skeleton composite plastic pipeline is effectively prevented, and then the overall service life of the steel skeleton composite plastic pipeline is effectively prolonged.

The utility model discloses a mounting tool for an oil feed pump, which comprises a movable base, universal wheels are arranged at four corners of the bottom of the movable base, a positioning port is arranged on the movable base, a heating mechanism is fixedly mounted in the middle of the movable base, and the heating mechanism comprises a positioning base fixed on the movable base. A heat preservation oil tank is fixedly installed on the positioning base, a volume reduction protrusion is arranged in the middle of the heat preservation oil tank, an electric heating pipe is fixedly installed in the heat preservation oil tank, an isolation disc is fixedly installed at the position, above the electric heating pipe, in the heat preservation oil tank, a communicating hole is formed in the surface of the isolation disc, and a positioning mechanism is arranged above the heating mechanism. According to the installation tool for the oil supply pump, after one end of the pipeline is soaked in heat conduction oil liquid, a power source of the electric heating pipe can be switched on, so that one end of the plastic pipeline is heated and softened, and a user can install the pipeline on a connector of the oil supply pump conveniently.

The utility model relates to pipeline cutting technical field discloses a cutting device of plastic pipeline extruder, including pipeline main part, the pipeline main part inner wall is pasted with the pasting board, the pipeline main part top surface pastes with cutting knife, the cutting knife top surface pastes with the frame, the frame front side fixedly connected with the base, the base top surface pastes with the moving seat, the moving seat top fixedly connected with first motor and support plate, first motor output fixedly provided with screw rod, the screw rod surface is equipped with the connecting ring, the screw rod end threadedly connected with the screw ring, the screw ring surface rotatably connected with first connecting rod, the connecting ring surface rotatably connected with second connecting rod, in the utility model, through the displacement of screw ring drive pasting board to screw rod as center and draw in or expand outward, can realize through pasting board and pipeline main part inner wall pasting to fix pipeline main part, avoid pipeline main part and take place deformation.

The application discloses a plastic pipeline with spiral strip structure on the outer surface and a preparation method thereof, and comprises the following steps: mixing, hot stirring and cooling and stirring plastic pipeline raw materials to obtain a mixture; feeding the mixture into an extruder and extruding through a die to form a pipe blank with spiral strip structure; making the pipe blank pass through a rotating sizing sleeve assembly and being cooled and shaped in a water tank to obtain the plastic pipeline with spiral strip structure on the outer surface; synchronously rotating and dragging the plastic pipeline by using a rotating pipe dragging mechanism, and then performing length cutting; after cutting, the pipeline is corrected by a correction pipe supporting frame, is dragged by a two-jaw belt dragging machine, and is marked by code spraying, and then is packed into a warehouse to obtain the plastic pipeline with spiral strip structure on the outer surface. The application is a new type of dragging and rotating extrusion technology instead of a traditional die rotating extrusion technology, and the technology can realize long-term stable production and has a high production speed.

This invention discloses a drip irrigation device for potato cultivation in sandy soil. The invention relates to the field of sandy soil potato cultivation technology and includes a storage tank for holding and storing drip irrigation solution. A liquid guide pipe is fixedly installed on the top of the storage tank, an inlet is fixedly installed on one side of the outer surface of the storage tank, and a support frame is fixedly installed on the bottom of the storage tank. A mixing guide is used to discharge and mix nutrients within the storage tank. A filter assembly is used to filter impurities in the drip irrigation solution. In this drip irrigation device for sandy soil potato cultivation, liquid is injected into a layered hood through the guide pipe. The filter pipe inside the layered hood further filters the liquid, allowing the filtered liquid to flow from the outlet into the delivery pipe. This facilitates the removal of impurities from the liquid during delivery, reducing the impurity content and preventing scaling in the pipes over long-term operation, which could lead to blockages in the plastic pipes during drip irrigation.

The utility model relates to the technical field of side slope drainage, in particular to a water seepage blind pipe suitable for an existing side slope, and when underground water seeps into the water seepage blind pipe, water firstly enters the pipe through drainage holes in the side wall of a supporting pipe. The supporting pipe is made of a hard material and plays a role in supporting and protecting an internal filtering system. Compared with a plastic pipeline which is directly arranged in the supporting pipe and provided with holes, the woven filtering pipe has the advantages that the gap structure is more complex and fine, impurities such as fine soil particles in underground water can be more effectively intercepted, the filtering precision and the drainage quality are improved, and the woven structure has certain elasticity and flexibility, so that the filtering effect is better. And the pressure change and tiny deformation in the slope body can be better adapted, breakage or damage is avoided, and a certain water passing capacity can be kept even if part of the slope body is blocked. The method can be widely applied to the technical field of slope drainage.

The utility model provides a plastic pipeline connector. The plastic pipeline connector comprises a connector body and a locking sleeve. The connector body is provided with a butt joint part and a first connecting part in the axial direction, the butt joint part is of a tubular structure, the outer diameter of the butt joint part is gradually decreased in the direction away from the first connecting part, and the outer wall of the butt joint part is sleeved with the plastic pipeline. A locking part and a second connecting part are arranged on the locking sleeve side by side in the axial direction, the locking part is of a tubular structure, the inner diameter of the locking part is gradually reduced in the direction away from the second connecting part, the locking part is arranged on the plastic pipeline in a sleeving mode and can move along the central axis of the plastic pipeline, and when the locking part moves towards the butt joint part, the plastic pipeline can be clamped; the second connecting part is connected with the first connecting part, the clamping state of the plastic pipeline is kept, sealing butt joint of the pipeline is achieved, and reliability and convenience are achieved.

This invention provides a flattening device for the ends of heating plastic pipes, applicable to the field of plastic pipe flattening processing equipment. The device includes: a support mechanism, divided into a main frame and a secondary frame; a pipe clamping mechanism for clamping and fixing the bent portion of the plastic pipe; a tail-end positioning mechanism for providing auxiliary support and positioning for the end of the plastic pipe furthest from the flattening end; an inner mold for extending into the flattening end and applying a compressive force to its inner wall; an outer mold, corresponding to the inner mold, for applying a compressive force to the outer wall of the flattening end; and a flattening drive mechanism, connected to both the inner and outer molds, for driving the inner and outer molds to achieve either mating compression or separation and resetting. This invention, through the corresponding mating of the outer and inner molds, applies a compressive force to the outer wall of the flattening end, ensuring that the flattening process meets design requirements, achieving high flattening accuracy, and facilitating convenient and efficient demolding from the narrow-mouth flattening end.

The utility model relates to the technical field of lifting of plastic pipelines and pipe fittings, and discloses a vertical transportation lifting appliance for pipelines and pipe fittings, which comprises a lifting beam, a lifting lug for mounting a lifting tool is arranged at the end part of the lifting beam, a clamping plate is arranged at one end, far away from the lifting lug, of the lifting beam, and a mounting clamping groove is formed between the clamping plate and the bottom of the lifting beam; according to the utility model, a mounting position can be provided for the chain block, and a working site can be flexibly moved and adjusted according to hoisting requirements, so that the tedious operation of frequently dismounting and mounting the chain block is avoided, the labor intensity is effectively reduced, and the working efficiency is improved.

A restrained pipe joining system for plastic pipe is shown comprising male and female pipe ends, the male pipe end having an external circumferential groove and the female pipe end having an internal recess which contains a circumferential casing element, the casing element receives a non-circular click fit restraint ring which engages the external circumferential groove of the male pipe end during the make-up of the pipe ends to form a sealed and restrained pipe joint.

The utility model relates to the technical field of plastic extruders, in particular to a plastic processing extrusion device which comprises an extruder body, and one side of the extruder body is fixedly connected with a support. The bracket is provided with a cooling assembly for extruding and forming a plastic pipeline, the cooling assembly comprises two rotating wheels which are arranged on one side of the extruder body and are used for wetting the plastic pipeline with water, and wiping cotton for adhering the water is arranged in each rotating wheel; the switch assembly is arranged on the rotating wheel and is used for intermittently supplying water. Through the cooperation of the cooling assembly and the switch assembly, the extruder body can drive the rotating wheel to rotate when extruding a molded pipeline, so that a discharge port in the movable pipe enters an inner cavity in the fixed pipe under the cooperation of the bending plate and the arc plate; furthermore, water in the water tank can be discharged to the rotating wheel through the spray head, and flows into the wiping cotton through the through holes, so that the wet wiping cotton is used for cooling the pipeline.

The utility model discloses a guiding device for plastic pipeline production, solves the problems that an existing guiding device is low in adjusting precision and prone to damaging the surface of a pipe, and provides the guiding device for plastic pipeline production. Comprising a base, a vertical guide assembly, a three-axis adjusting sliding table and a horizontal guide assembly. An upper guide wheel of the vertical guide assembly is driven by a screw hand wheel to ascend and descend, a three-axis sliding table of the horizontal guide assembly synchronously adjusts the positions of a roller and the vertical guide wheel, and the roller is distributed in a triangular shape to stably support a pipe. The guide wheel is of a conical structure and is provided with V-shaped anti-skid lines and a rubber buffer layer, and the roller is made of a polished stainless steel material; the screw hand wheel and the connecting block are in floating fit to compensate installation errors. The device realizes vertical and horizontal multi-directional accurate adjustment, prevents pipe slippage and surface damage, improves the production efficiency and the qualified rate of finished products, and is suitable for high-speed continuous production scenes.

1. The name of the product under this design: hot melt machine. 2. Application of this product: This product is used for welding plastic pipes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The invention discloses a hot melting welding machine for plastic pipeline connection, and relates to the technical field of pipeline machining, the hot melting welding machine comprises a positioning clamping mechanism and a plastic pipeline body mounted in the positioning clamping mechanism, a polishing heating mechanism is arranged on the outer side of the positioning clamping mechanism, and a translation threaded sleeve is arranged in the polishing heating mechanism; the positioning and clamping mechanism comprises two clamping sleeves, the outer sides of the two clamping sleeves are in threaded connection with adjusting and pressing sleeves, adjusting teeth are fixedly installed on the outer sides of the adjusting and pressing sleeves, positioning threaded rods are slidably connected to one sides of the interiors of the clamping sleeves, and the positioning threaded rods are fixedly installed on the outer sides of the adjusting and pressing sleeves. The outer side, close to the positioning threaded rod, of the clamping sleeve is rotationally connected with a positioning knob, the positioning threaded rod moves in the positioning knob by rotating the positioning knob, the positioning ring is driven to move, and under the action of a scale column, distance adjustment of the positioning ring can be achieved; and the melting length of the two plastic pipeline bodies can be accurately controlled through the positioning ring.

The invention discloses a heat treatment production line for plastic pipeline processing, belongs to the technical field of plastic pipeline heat treatment, and aims to solve the problems that plastic particles are easily clamped between a spiral blade and the inner wall of a conveyor shell, the inner wall of the conveyor shell is abraded, and conveying is affected. A controller is arranged on one side of the supporting frame, a conveying assembly is arranged in the supporting frame, an air suction pressurization assembly is arranged in the supporting frame, the air suction pressurization assembly is connected with the conveying assembly, one side of the air suction pressurization assembly communicates with an air injection assembly, and the air injection assembly communicates with the conveying assembly. Circulating air suction and pressurization are achieved through conveying rotation kinetic energy, an independent air pump is not needed, space and energy consumption are saved, pressure is continuously supplied to the air injection assembly, a stable air wall is formed in a gap between the air injection assembly and the air injection assembly, and the clamping stagnation preventing effect is enhanced.

The invention relates to the technical field of plastic product processing, and discloses hot melting equipment for plastic pipeline processing, which comprises a moving mechanism, a support adjusting mechanism and a cleaning heating mechanism, the moving mechanism is used for moving a pipeline, the support adjusting mechanism is connected to the moving mechanism, the support adjusting mechanism is used for supporting the pipeline and can move the pipeline, and the cleaning heating mechanism is used for cleaning the pipeline. And the cleaning and heating mechanism is arranged corresponding to the moving mechanism, the cleaning and heating mechanism can ascend and descend, and in the process that the moving mechanism drives the pipeline to move, the cleaning and heating mechanism is used for cleaning an end opening of the pipeline. In the process that the supporting and adjusting mechanism drives the pipeline to move, the cleaning and heating mechanism is used for conducting hot melting on a pipeline port. According to the hot melting connection device, cleaning treatment at the connecting port is completed in the pipeline conveying process, impurities at the connecting port of the pipeline are removed, the impurities are prevented from affecting hot melting connection, and therefore the quality of hot melting connection is improved.