480 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 relates to a plastic part surface grinding device, aims to improve the grinding efficiency and quality of tubular products such as plastic pipelines, and relates to the technical field of automation equipment, the device comprises a supporting seat, a fixing frame, a positioning disc, an internal grinding assembly, an external grinding assembly, an adjusting assembly, a control assembly, a mounting assembly and a driving assembly. The positioning disc provides a smooth surface to promote rotation of the pipeline, and the internal and external grinding assemblies synchronously work to comprehensively grind the inner and outer walls of the pipeline. The adjusting assembly flexibly adjusts the height of the external polishing assembly to adapt to pipelines with different diameters. The control assembly is integrated with the mounting assembly, stabilizes the position of the pipeline and cooperates with the driving assembly to achieve self-rotation driving and polishing operation of the pipeline. The device is novel in design, can polish the inner wall and the outer wall of the pipeline at the same time, remarkably improves the polishing efficiency, reduces the labor intensity, enhances the working flexibility, improves the polishing quality, and is particularly suitable for polishing treatment of plastic pipelines of various specifications and lengths.

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 plastic pipelines, and discloses a high-precision hot melting welding device for plastic pipeline connection, the device comprises a bottom plate, a hot melting device and a plastic pipe body, the periphery of the top of the bottom plate is fixedly connected with stand columns, and the tops of the stand columns are fixedly connected with the same top plate; the hot melting device is installed below the top plate, a positioning assembly is arranged on the top of the bottom plate, and auxiliary assemblies are symmetrically arranged on the two sides of the bottom plate. The positioning assembly comprises a double-end lead screw, the double-end lead screw is rotationally connected with the bottom plate, top grooves are symmetrically formed in the top of the bottom plate, the outer side of the double-end lead screw is symmetrically sleeved with sliding bases, arc-shaped clamping plates are symmetrically and rotationally connected to the tops of the sliding bases, and first lead screws are in threaded connection with the interiors of the arc-shaped clamping plates; the problems that impurities on the surface of a plastic pipeline are melted together with a pipe during hot melting, hot melting is possibly not closed, and the welding quality and the welding efficiency are affected are solved.

The invention discloses a partitioned heating plate temperature control method for a plastic pipeline welding machine, which comprises the following steps of: performing partitioned treatment on heating plate temperatures in different periods, and adopting different heating plate temperature control algorithms; therefore, the problems of low temperature rise efficiency, large temperature control error, limited generalization ability of a single temperature control algorithm and the like caused by the characteristics of large temperature target value of the heating plate of the welding machine, high temperature precision requirement, slow temperature change, uncertain environment temperature, adjustable temperature target value of the heating plate and the like are avoided.

The utility model belongs to the technical field of building decoration, in particular to a cutting device for building decoration construction, which comprises a support frame, a screw rod is rotatably connected between the inner walls of the two sides of the support frame through a bearing, and the surface of the screw rod is in threaded connection with a moving frame. According to the cutting device for building decoration construction, by arranging the supporting frame, the lead screw, the movable frame, the limiting rod, the first electric push rod, the mounting frame, the saw blade and the clamping assemblies, in the using process of the cutting device for building decoration construction, a plastic pipeline to be cut can be clamped and fixed through the clamping assemblies arranged on the two sides of the supporting frame, manual handheld fixing is not needed, and the cutting efficiency is improved. According to the plastic pipeline cutting device, the cutting precision of a plastic pipeline is guaranteed, meanwhile, chippings generated in the cutting process of the plastic pipeline can be collected through the collecting box, the situation that the chippings pollute the working environment is avoided, and workers can conveniently clean the chippings collected in the collecting box in the later period through the arranged cleaning assembly.

The invention relates to the field of butt joint processing of plastic pipelines, and discloses a plastic pipeline hot melting butt joint processing device which comprises a workbench, two guide rails are fixedly mounted on the upper surface of the workbench, pipeline clamping mechanisms are arranged on the upper surfaces of movable seats, and a shell is fixedly connected to the bottom end of the workbench; a plurality of L-shaped sliding grooves are formed in the outer side ends of the workbenches, L-shaped sliding blocks are movably arranged in the L-shaped sliding grooves, and the inner side ends of the L-shaped sliding blocks extend into the through holes in the corresponding sides and are fixedly connected with clamping plates. The gear motor drives the worm to rotate and is in meshing transmission with the worm wheel to drive the rotating shaft and the long gears to rotate, so that the inner gear ring drives all the long gears to rotate and is in meshing transmission with the rack plate, and all the clamping plates move inwards at the same time to clamp a plastic pipe. By means of the movable clamping mode of the multiple clamping plates, the device can adapt to various plastic pipelines with different diameters, and the application range is widened.

The drip irrigation device for agricultural planting structurally comprises a supporting frame, a mixed water tank, a motor, a drainage mechanism and a flow dividing mechanism, the upper end face of the left side of the supporting frame and the bottom of the mixed water tank are fixedly installed, a drainage pipe is squeezed backwards to move backwards, and elastic shrinkage is conducted through a telescopic hose; the extrusion plate can be telescopically adjusted in the sleeving pipe, so that the water drainage pipe is prevented from blocking the upper part of the filtering mechanism, and the filtering mechanism is moved upwards from the interior of the flow dividing mechanism to be cleaned or maintained; the rotating drum rotates to drive the long flow dividing pipe and the thin connecting pipe to rotate, it is ensured that the long flow dividing pipe and the interior of the plastic pipeline keep the communicating capacity, after the drip irrigation head moves to the position where drip irrigation is needed, the drip irrigation head is driven into soil through lower nail extrusion to be positioned and installed, and drip irrigation work is conducted on the position of agricultural plants where drip irrigation is needed. The situation that drip irrigation is conducted on local parts where no plants are planted is effectively avoided, and unnecessary water source waste is prevented.

The utility model provides a positioning and clamping device for plug-in type scraping equipment, which belongs to the technical field of plastic pipeline oxide skin scraping equipment and is arranged on a box body of the plug-in type scraping equipment, one side of the box body is provided with an accommodating cavity for inserting a plastic pipeline, and the top of the accommodating cavity is provided with a cutter. The positioning and clamping device comprises a positioning frame, two groups of positioning rollers and a driving mechanism; the two groups of positioning rollers are rotationally arranged on the positioning frame; the two groups of positioning rollers are symmetrically arranged relative to the cutter; the driving mechanism is arranged on the box body; the driving mechanism comprises a lifting end connected with the positioning frame, and under the driving of the lifting end, the positioning roller can be matched with the cutter to clamp the plastic pipeline; through the arrangement, the cushion block does not need to be replaced when plastic pipelines with different diameters are clamped, and the driving mechanism can play a role in compensating abrasion of the positioning roller, so that the plastic pipelines can be clamped through cooperation of the positioning roller and the hobbing cutter, and the situation that the plastic pipelines shake in the scraping process is reduced.

The invention belongs to the technical field of plastic pipelines, and particularly discloses a high-impact-resistance PVC composite mute pipe which comprises an inner layer, a foaming sound insulation layer, a hollow silencing layer and an outer layer which are sequentially arranged from inside to outside. The inner layer comprises an inner layer body and a plurality of flow guide screw flights, and the flow guide screw flights are distributed in the circumferential direction of the inner circumference of the inner layer body at intervals. A plurality of silencing holes are formed in the front side face of the hollow silencing layer in the circumferential direction. According to the high-impact-resistance PVC composite mute pipe and the preparation method thereof, the high-impact-resistance PVC composite mute pipe has high strength and high and low temperature impact resistance, and a good noise reduction effect can be achieved.

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 provides a preparation method of a flame-retardant PE (polyethylene) plastic pipe, and solves the technical problems that generally prepared magnesium hydroxide has relatively strong polarity and hydrophilicity, crystal grains tend to secondary agglomeration, the compatibility between the magnesium hydroxide and a non-polar PE material is poor, the dispersion between the magnesium hydroxide and the non-polar PE material is non-uniform, and good combination and adhesion are difficult to form between interfaces of the magnesium hydroxide and the non-polar PE material. The method can be widely applied to the plastic pipe manufacturing field; the preparation method specifically comprises the following steps: adding magnesium hydroxide modified powder and PE granules into a mixer, adding an antioxidant, an antioxidant aid, a flame retardant accelerator and a synergist, uniformly mixing for 5-60 minutes, and drying at 50-90 DEG C to obtain a mixture; the mixture is granulated at the temperature of 25-85 DEG C, the rotating speed of a main machine is 100-450 r / min, and a modified raw material is obtained; the modified raw materials are added into an extruder for extrusion molding of the plastic pipeline, the extrusion temperature of the extruder is 150-220 DEG C, and the extrusion speed is 2-6 m / min; and cooling, shaping, cutting and drawing to form the PE plastic pipe.

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 belongs to the technical field of plastic pipelines, and particularly relates to a plastic pipeline connecting device which comprises a workbench, a pair of lower clamping blocks are arranged on the upper side of the workbench, and upper clamping blocks are hinged to the upper surfaces of the lower clamping blocks. The two pipeline bodies are placed on the lower clamping blocks correspondingly, the locking rods are rotated upwards to be perpendicular to the upper clamping blocks, the locking blocks are screwed to be tightly attached to the upper clamping blocks, and therefore the pipeline bodies are clamped, the connectors are inserted into the outer walls of the pipeline bodies through the position between the two pipeline bodies, then the gaskets are inserted, and the connecting pipe is inserted into the outer wall of one pipeline body. A rocker is rotated to drive a two-way lead screw, so that two sliding blocks are close to each other, two pipeline bodies are attached, a screw is inserted into a mounting plate, a nut is screwed to enable a connector, a connecting pipe and a gasket to be tightly attached, an air bag is inflated through an inflating valve, the air bag expands to clamp the two pipeline bodies, the sealing performance is improved, and the air bag is not prone to being affected by thermal expansion and cold contraction; the connecting effect is good, and the gasket further improves the sealing performance.

The utility model relates to the technical field of plastic pipeline pressure testing, and discloses a plastic pipeline pressure testing device which comprises a test board, a pressure pump is fixedly connected to the top of the test board, a connecting pipe is fixedly connected to one side of the pressure pump, and a pressure gauge is fixedly connected to the outer surface of the connecting pipe and can clamp and seal the joint of the connecting pipe and a plastic pipeline. The situations that the detection result is inaccurate and the pressure resistance and the sealing performance of the pipeline cannot be truly reflected due to gas leakage of the plastic pipeline in the process that the pressure test device conveys gas for detection are avoided, so that the detection time is shortened, the detection cost is reduced, and different from a bayonet and bolt fixing mode in the prior art, the detection efficiency is improved. Manual intervention can be reduced, and the situation that the detection effect is affected by gas leakage due to looseness caused by the fact that a pipeline detection joint is impacted by conveyed gas due to immature operation technology or errors of workers is avoided.

The utility model discloses a clamp for positioning during plastic pipeline processing, which comprises a clamp mechanism, and the clamp mechanism comprises a placing seat, a first non-slip mat, a U-shaped frame, a pressing plate, a second non-slip mat, a first fixing frame, a first cylinder, a second fixing frame, a connecting rod, a connecting frame, a second cylinder, a control panel, a guide rod, a guide groove and a pressure sensor. The first non-slip mat is located on the outer surface of the upper end of the placing seat, and the U-shaped frame is located at the upper end of the placing seat. According to the clamp for positioning during plastic pipeline machining, the pressure sensor transmits data to the controller, the controller controls the second air cylinder, the second air cylinder can protect a pipeline and prevent the pipeline from being damaged due to the fact that the pressure applied by the second air cylinder is too large, the durability is improved, positioning and clamping can be conveniently conducted according to the size of the pipeline, and the machining efficiency is improved. And the placing seat can support the pipeline, so that machining is facilitated, and better use prospects are brought.

The utility model relates to the technical field of cutting equipment, in particular to an automatic splitting machine for plastic product processing. Comprising a machine table, a mounting frame and an auxiliary mechanism, the auxiliary mechanism comprises a sliding base, a first clamping base, a second clamping base, a cutting machine, a cutter feeding device and a driving device, during cutting, a pipeline penetrates into one side of the second clamping base from the first clamping base, the second clamping base is controlled to clamp the extending end, the first clamping base clamps the tail, the cutter feeding device achieves downward movement of the cutting machine, and the driving device drives the pipeline to rotate; the cutting machine moves upwards and resets after primary cutting, the position of the sliding seat is set as a feeding zero point at the moment, then the second clamping seat is loosened, the driving device drives the sliding seat to move forwards for feeding and stops after being in place, the second clamping seat clamps, the cutter feeding device achieves downward cutting of the cutting machine, then the cutting machine resets, the second clamping seat is loosened, and the driving device drives the sliding seat to move forwards again for feeding. Therefore, when the linear plastic pipeline is cut and processed, automatic slitting can be realized, and the cutting efficiency can be improved.

The invention discloses a self-adaptive clamping tool for a plastic pipeline. The self-adaptive clamping tool comprises a clamping base, double motors and a fixing flange. The first rotatable finger and the second rotatable finger are symmetrically installed on the two sides of the base, the tail ends of the first finger and the second finger are connected with the third finger and the fourth finger through detachable structures, and the triangular structures can be replaced to adapt to different pipe types. The driving gear is driven by a first motor and meshed with the driven gear to be in linkage with the supporting arm to control clamping opening and closing, and the elastic buffering structure is matched with multi-pipe-diameter clamping force. The second motor drives the base to rotate by 360 degrees, and the pressure sensor is embedded into the finger to feed back clamping force in real time and control the torque of the motor in a closed-loop mode. The non-slip mat can be heated to enhance the low-temperature friction performance. Self-adaptive lossless clamping, multi-angle precise positioning and intelligent force control of the pipeline are achieved, and the intelligent force control device is suitable for the automatic production scene of the PVC pipeline.

A steel-plastic composite pipeline connecting device comprises a metal layer, plastic pipeline layers are compounded on the inner side and the outer side of the metal layer to jointly form a first steel-plastic composite pipe, the inner circumference of the first steel-plastic composite pipe is connected with a second electric hot melting pipe fitting in a fusion mode through a second electric heating wire, and the axial end face of the first steel-plastic composite pipe is matched with a first plastic protruding ring. The first plastic convex ring and the outer circumference of the first steel-plastic composite pipe are jointly welded to a first electric hot melting pipe fitting through a first electric heating wire, the first electric heating wire is installed on the inner wall of the first electric hot melting pipe fitting, and the second electric heating wire is installed on the outer wall of the second electric hot melting pipe fitting. According to the steel-plastic composite pipeline connecting device, the electric hot melting pipe fittings are welded to the inner side and the outer side of the steel-plastic composite pipe through the electric heating wires, water vapor is prevented from making contact with a metal layer, the axial end face of the steel-plastic composite pipe is sealed through welding by further adopting a plastic protruding ring, and the exposed axial end face of the metal layer is prevented from rusting.

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 belongs to the technical field of plastic product processing, and particularly relates to a plastic product processing device which comprises a workbench, second frame bodies are fixedly connected to the middles of the front side and the rear side of the upper end face of the workbench, and two fourth sliding rods are slidably connected to the middles of the upper ends of the second frame bodies. The workbench is provided with a self-scraping type polymerization splash-proof mechanism which prevents chippings from splashing to other positions of the surface of the plastic rectangular pipeline in the cutting process of the plastic rectangular pipeline. By means of the self-scraping type polymerization splash-proof mechanism, the mode that the first blocking plate and the second blocking plate are attached to the surface of the rectangular plastic pipeline is adopted, enclosures are formed on the two sides of the to-be-cut position of the rectangular plastic pipeline, chippings generated in the cutting process can be intercepted by the first blocking plate and the second blocking plate, and in addition, the chippings are prevented from being scraped by the first blocking plate and the second blocking plate. And the first blocking plate and the second blocking plate have enough thickness, so that chippings cannot be splashed to the part, except the cutting position, of the rectangular plastic pipeline, and the surface quality of the rectangular plastic pipeline is guaranteed.

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.