CN203305460U - Manufacturing machinery of steel skeleton reinforced nylon pipeline - Google Patents
Manufacturing machinery of steel skeleton reinforced nylon pipeline Download PDFInfo
- Publication number
- CN203305460U CN203305460U CN2013202921971U CN201320292197U CN203305460U CN 203305460 U CN203305460 U CN 203305460U CN 2013202921971 U CN2013202921971 U CN 2013202921971U CN 201320292197 U CN201320292197 U CN 201320292197U CN 203305460 U CN203305460 U CN 203305460U
- Authority
- CN
- China
- Prior art keywords
- die sleeve
- nylon
- gear
- cylinder
- steel skeleton
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to manufacturing machinery of a steel skeleton reinforced nylon pipeline. The manufacturing machinery comprises a nylon extruder, a coil-weaving and forming mechanism, a traction mechanism, a cutting mechanism and a control system. Steel wires penetrating through an axial through hole on a large-diameter cylinder of a mandrel are uniformly distributed on an outer face of the small-diameter cylinder of the mandrel to form a longitude line of the steel skeleton of the nylon pipeline; a hollow cylinder on a winding coil and a front section and a rear section of a die sleeve jointly form an integral die sleeve; the steel wires penetrating through holes on the hollow cylinder of the winding coil are winded to the longitude line by means of rotation of the winding coil to form a latitude line of the steel skeleton. In the manufacturing machinery provided by the utility model, speed of linear motion of the longitude line steel wires and circular motion of latitude line steel wires is directly commanded by a PLC (Programmable Logic Controller), so that motions of the longitude and latitude line steel wires can be synchronized with consistent lead angles. The manufacturing machinery provided by the utility model has the advantages of reasonable design, simple structure, high degree of automation and high output efficiency, and is convenient to operate.
Description
Technical field
The utility model relates to a kind of mechanical volume dish and integrated through injection molding machinery, is specially a kind of nonstick system of control work machinery that steel skeleton strengthens nylon pipeline of making.
Background technology
The high-low temperature resistant ability is strong, the corrosion-resisting wear-proof superior performance owing to having for nylon pipeline, and have easy for installation, transfer efficiency advantages of higher, thereby replace gradually steel pipe and be widely used in the conveyance conduit of all conglomeraties such as electric power, metallurgy, coal, oil, chemical industry, building materials, machinery.But because generally all having, each the joint unit pipes that forms pipeline reaches the pipe range of more than ten meters, and nylon belongs to plastic material, so pipeline flexible is large, insufficient rigidity, while particularly transmitting the larger material of proportion, in pipeline was anti-, pressure energy power was obviously weak, and intensity is poor, distortion is serious.In order to address the above problem, people, by embedded with metal framework or steel wire in the nylon tube wall, have strengthened the anti-pressure ability of pipeline, have extended the service life of pipeline.The screw-thread steel volume is coiled into to the metallic framework of graticules tubular and be embedded in the middle of nylon tube, nylon polymer is coated on the screw-thread steel volume and coils on the metallic framework of graticules cylinder, such nylon pipeline not only has stable chemical performance, acidproof, alkaline-resisting, low temperature resistant, anti-corruption, the advantage such as anti-aging, and have that steel skeleton is combined closely with the pipeline fertile material, density is high, shock resistance is strong, internal pressure-resistant is high, resist the characteristics such as deformability is large, therefore be subject to numerous users' favor and expectation.But the nylon pipeline quality requirement of this structure is high, brings certain difficulty to production and processing.Therefore designing the special-purpose machinery of the above-mentioned pipeline of a kind of special making, is that can the decision nylon pipeline apply prerequisite in a wider context.
Summary of the invention
The purpose of this utility model is to announce a kind of steel skeleton and strengthens the nylon pipeline production machinery, the utility model is strengthened to the making of nylon pipeline for steel skeleton, can realize the automation of producing, guarantee the quality of pipeline, increase work efficiency, lower production cost.
To achieve these goals, the utility model Bian gets following technical scheme and implements: a kind of steel skeleton strengthens the nylon pipeline production machinery, comprise frame, nylon extruder, volume dish builder, haulage gear, cutting mechanism and control system, volume dish builder is comprised of die sleeve, core, heating tube, winding disc, sealing ring, support, spring bearing; Haulage gear is comprised of support, reductor, sprocket wheel, chain, contiguous block, clip, bolt; Cutting mechanism is comprised of support, slide rail, gear lasso, driving gear, reductor, cutting machine, cylinder.Described heating tube is placed in the hole of core, described die sleeve is designed to die sleeve back segment and die sleeve leading portion, described control system is comprised of PLC Programmable Logic Controller, sensor, display floater, the outlet of described nylon extruder connects and is connected with ingate on the die sleeve wall, in volume dish builder: core is arranged among die sleeve, core is designed to two sections different cylinders of diameter vertically, fragment position correspondence after enlarged diameter section and die sleeve, reduced diameter section and die sleeve front-end position correspondence, the core large diameter cylindrical surface is provided with flange, flange is fixedly connected with die sleeve by bolt, the setting circumference of cylinder with large diameter wall section is provided with a plurality of equally distributed axially extending bores, one end in hole is positioned at the cylinder with large diameter end face, the other end is positioned on the step surface of cylinder with large diameter and small diameter cylinders phase cross surface, steel wire passes through described through hole and evenly is arranged on the small column lateral surface, become the warp of nylon pipeline steel skeleton, gap between small diameter cylinders and die sleeve is the nylon tube die cavity, the nylon material entrance is positioned at the phase cross surface place of two cylinders, in the middle of described winding disc, be hollow tubular, the two ends of cylinder are respectively equipped with a disk, and its edge is supported on many bogie wheels, and wherein disk is provided with the gear drive winding disc that is meshed with reducer gear and rotates, the hollow cylinder two ends of winding disc are connected with the die sleeve back segment with the die sleeve leading portion respectively, and jointly form die sleeve integral body with die sleeve leading portion and die sleeve back segment, described winding disc is provided with many steel wire coil supports, be evenly distributed on the circumference of winding disc, on the position of corresponding each steel wire coil support on the hollow cylinder of winding disc, be provided with the hole that can pass through for steel wire, the rotation by winding disc becomes steel wire winding the parallel of steel skeleton on the warp of nylon pipeline steel skeleton, described haulage gear is positioned at the rear portion of compiling disc mechanism, in haulage gear: chain is engaged on two sprocket wheels, and wherein drive sprocket is connected with the output shaft of reductor, described clip is divided into front band and lower catch hoop, and lower catch hoop is fixed on chain, and nylon tube is placed between upper and lower clip, and upper and lower clip clamps nylon tube by securing member, by the rotation drive nylon tube motion of chain, described cutting mechanism is positioned at the rear portion of haulage gear, in cutting mechanism: the lower end of described support is provided with the guide rail key parallel with the nylon tube conduit axis, is provided with that can to hold ，Kong De rear end, the hole external diameter that nylon tube passes be cylinder in the middle of support, the endoporus matched in clearance of described gear lasso is on the cylinder external diameter of bracket holes rear end, described cutting machine is by the guide rail key guide rail that is slidably connected, and guide rail is fixedly connected with the gear lasso, described driving gear is connected with the output shaft of reductor, and is meshed with the gear teeth on the gear lasso by a pair of transition gear, in control system: described sensor is two, is arranged on a pressure sensor in the nylon pipeline die cavity and is arranged on a linear transducer in cutting mechanism, and two sensors are connected with the PLC Programmable Logic Controller by wire respectively, in described display floater, be provided with the input touch-screen of power switch knob, cavity pressure setting data and nylon tube length setting data and the input touch-screen that reductor is set rotating speed.
The axially extending bore that the technical program is passed core by some longitudinal screw reinforcing bars enters by core, die sleeve, in the die cavity that winding disc forms, and its head is connected with haulage gear, when haulage gear towing longitudinal steel wire is done axially-movable, the winding disc synchronous rotary drives many screw steel wires penetrating in a plurality of radial through holes around the motion of spiraling of longitudinal screw reinforcing bar, realize bull volume dish and form the metallic framework of graticules tubular, when the nylon extruder constantly when injecting the hot pasty state nylon polymer flowed in die cavity, metallic framework is covered by among nylon polymer, after cooling, namely form steel skeleton and strengthen nylon pipeline.
In the technical program, the rectilinear motion of longitudinal screw reinforcing bar and the motion of spiraling that is wound around spiral are controlled by the pressure in die cavity, and the PLC Programmable Logic Controller is directly commanded, thereby both synchronized movement, lead angle are consistent.
The utlity model has advantage reasonable in design, simple in structure, easy to operate, that automaticity is high, output efficiency is high; The nylon pipeline of output has the characteristics such as steel skeleton is combined closely with the pipeline fertile material, density is high, cost performance is good.
The accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the structure enlarged diagram in A-A cross section in accompanying drawing 1;
Accompanying drawing 3 is the structure enlarged diagram in B-B cross section in accompanying drawing 1.
At accompanying drawing 1, 2, in 3: 1 frame, 2 PLC Programmable Logic Controllers, 3 display floaters, 4 longitudinal screw reinforcing bars, 5 nylon extruders, 6 die sleeves, 7 cores, 8 heating tubes, 9 and 9 ' tetrafluoro circle, 10 reinforcing bar volumes, 11 gears, 12 winding discs, 13 reductors, 14 pressure sensors, 15 spirals, 16 bogie wheels, 17 extruding pipes, 18 by movable sprocket, 19 contiguous blocks, 20 and 20 ' upper lower catch hoop, 21 chains, 22 guide plates, 23 drive sprockets, 24 and 25 reductors, 26 cylinders, 27 cutting machines, 28 cutting wheels, 29 gear lassos, 30 slide rails, 31 supports, 32 driving gears, 33 carriages, 34 linear transducers, 35 sprocket wheel bearing pins, 36 bolts.
The specific embodiment
As shown in Figure 1, the utility model comprises frame 1, nylon extruder 5, volume dish builder, haulage gear, cutting mechanism and control system, and volume dish builder is comprised of die sleeve 6, core 7, heating tube 8, winding disc 12, tetrafluoro circle 9 and 9 ', reinforcing bar volume 10, reductor 13; Haulage gear is by reductor 24, drive sprocket 23, formed by movable sprocket 18, chain 21, contiguous block 19, upper lower catch hoop 20 and 20 ', bolt 36; Cutting mechanism is comprised of support 31, slide rail 30, gear lasso 29, driving gear 32, reductor 25, cutting machine 27, cylinder 26; Control system is comprised of PLC Programmable Logic Controller 2, pressure sensor 14, linear transducer 34, display floater 3.In volume dish builder, die sleeve 6 is fixed on frame 1; The outlet of nylon extruder 5 connects and is connected with die sleeve 6 wall section ingates; The internal diameter of die sleeve 6 equals the external diameter of extruding pipe 17; Core 7 is fixedly installed in the hole of die sleeve 6 by flange and the screw of an end, on the external diameter of core 7, be provided with the cylinder of two sections different-diameters, the endoporus matched in clearance of cylinder with large diameter and die sleeve 6, and the same circumference of cylinder with large diameter wall section is provided with, and several are uniform and be parallel to the through hole of core 7 axis, the external diameter of small diameter cylinders equals the internal diameter of extruding pipe 17, the phase cross surface of two cylinders is positioned at die sleeve 6 places, ingate, wherein cylinder with large diameter is positioned at the left side of die sleeve 6 wall section ingates, and small diameter cylinders is positioned at the right side of die sleeve 6 wall section ingates; Heating tube 8 is placed in the hole of core 7; Winding disc 12 is provided with two cylindricals that diameter is different, wherein the major diameter cylindrical is bearing in winding disc 12 by many bogie wheels 16 right side of die sleeve 6 ingates, the minor diameter cylindrical is provided with gear, it is meshed with the gear 11 on reductor 13 output shafts, can drive winding disc 12 rotations, the endoporus of winding disc 12 is coated at the reduced diameter section of core 7, and its inner hole wall is provided with a plurality of axis and is positioned at same radial section and is uniform radial through hole; Extruding die cavity consists of jointly the bore area of core 7 small diameter cylinders surfaces, die sleeve 6 bore areas, winding disc 12 bore areas and two tetrafluoro circles 9 and 9 '; Reinforcing bar volume 10 is four, and it apart is distributed on the circumference of winding disc 12.In haulage gear, drawing-in motion is completed by the two chain transmissions that are placed in extruding pipe 17 both sides, its structure is: meshed chain 21 apart by movable sprocket 18 and drive sprocket 23 dead axles, wherein drive sprocket 23 is connected with the output shaft of reductor 24, drives chain 21 along the setting orbital motion on guide plate 22 when drive sprocket 23 rotation; Clip is divided into front band 20 and lower catch hoop 20 ', and upper and lower clip 20 and 20 ' screws engaging extruding pipe 17 by bolt 36, and contiguous block 19 one side are connected with the bolt 36 between upper and lower clip 20 and 20 ', with bearing pin 35 in chain 21 be connected on one side.In cutting mechanism, the lower end of support 31 is provided with the guide rail key parallel with extruding pipe 17 axis, slide rail 30 fixed frames 1, which is provided with guide-track groove, and with the guide rail key phase coupling of support 31 lower ends, slide, in the middle of support 31, be provided with that can to hold ，Kong De rear end, the hole external diameter that extruding pipe 17 passes be cylinder; Gear lasso 29 is provided with external gear, and the endoporus matched in clearance of gear lasso 29 is on the cylinder external diameter of support 31 rear ends, hole; Cutting machine 27 is slidably connected at the outside of gear lasso 29 by guide rail and guide rail key, and is provided with cylinder 26 between guide rail and guide rail key; Driving gear 32 is connected with the output shaft of reductor 25, and is meshed with the gear teeth on gear lasso 29 by a pair of transition gear.In control system, the inductive head of pressure sensor 14 is arranged in die cavity, and the termination that the inductive head of linear transducer 34 is arranged on extruding pipe 17 is to the position of the cutting planes preseting length distance of cutting wheel 28 on cutting machine 27; PLC Programmable Logic Controller 2 is connected with 34 with two sensors 14 by wire respectively, and drives the reductor 13 of winding disc 12 rotations and reductor 24 synchronization actions that rotate with movable sprocket by the pressure sensitive signal command that pressure sensor 14 sends; The reductor 25 that the length induced signal commander driven gear lasso 29 sent by linear transducer 34 rotates and the successive relay trip of cylinder 26 and cutting machine 27; In display floater 3, be provided with the input touch-screen of power switch knob, cavity pressure setting data and extruding pipe 17 length setting data and the input touch-screen that reductor 13,24 is set rotating speed.
This special plane is in actual mechanical process, at first some longitudinal screw reinforcing bars 4 are passed respectively to several axially extending bores on core 7, and enter by die sleeve 2, winding disc 12, two tetrafluoro circles 9 and 9 ' and the common die cavity formed of core 7 in, by traction clamping fixture, the head of some longitudinal screw reinforcing bars 4 is connected with haulage gear again, then connect the power supply of heating tube 8, to some longitudinal screw reinforcing bars 4 and die cavity preheating.5 work of nylon extruder, 2 operations of PLC Programmable Logic Controller, pressure sensor 14 sends the instantaneous pressure data of hot pasty state nylon polymer mobile in die cavity to PLC Programmable Logic Controller 2, the pressure data that PLC Programmable Logic Controller 2 transmits according to pressure sensor 14, to driving chain 21 reductor 24 rotated and the reductor 13 that drives winding disc 12 rotations, send work and out-of-work appointment, when reductor 13 obtains work order, reductor 13 rotates and drives chain 21 towing longitudinal screw reinforcing bars 4 and does axially-movable, four spirals 15 that meanwhile winding disc 12 synchronous rotaries drives penetrate in four radial through holes spiral around longitudinal screw reinforcing bar 4, realize bull volume dish and form the metallic framework of graticules tubular, when nylon extruder 5 constantly when injecting the hot pasty state nylon polymer flowed in die cavity, metallic framework is covered by among nylon polymer, forming steel skeleton strengthens nylon extruding pipe 17 and progressively is pulled outside mechanism's hauling-out die cavity.When the upper and lower clip 20 in haulage gear and 20 ', can clamp extruding pipe 17 and can make contiguous block 19 simultaneously when bearing pin 35 and upper and lower clip 20 bolt 36 in 20 ' in chain 21 is connected, unload traction clamping fixture and make extruding pipe 17 continue to make low-speed rectilinear movement under the towing of chain 21.When the bearing pin 35 in chain 21 is about to rotate to the turning of drive sprocket 23, in the rear end by movable sprocket 18, access another to upper and lower clip 20 and 20 ', then unload near the contiguous block 19 in the drive sprocket 23 a pair of upper and lower clips 20 in place and 20 ', make contiguous block 19 throw off chain 21.When extruding pipe 17 passes hole on support 31 and continues to move on the carrying roller 33 of support 31 rear sides, unload upper and lower clip 20 and 20 ' the asymptotic support 31 of lower connecting block 19, and when with support 31, contacting, promote support 31 the guide rail key of its lower end is slided in the guide-track groove of slide rail 30, make gear lasso 29, reductor 25 and driving gear 32, cutting machine 27, cylinder 26 on support 31 together follow extruding pipe 17 and make synchronizing moving.When the length of extruding pipe 17 reaches the data that are set in display floater 4, linear transducer 34 sends the length induced signal to PLC Programmable Logic Controller 2, PLC Programmable Logic Controller 2 is to reductor 25, cutting machine 27, cylinder 26 sends work order, reductor 25 rotates a circle around the axis of extruding pipe 17 by driving gear 32 driven gear lassos 29, cutting machine 27 drives cutting wheel 28 High Rotation Speeds, piston rod in cylinder 26 promotes the tube wall motion of cutting machine 27 to extruding pipe 17, make cutting wheel 28 cutting extruding pipes 17, obtain thus having the steel skeleton enhancing nylon pipeline of full-length.
Claims (5)
1. a steel skeleton strengthens the nylon pipeline production machinery, comprise frame, nylon extruder, volume dish builder, haulage gear, cutting mechanism and control system, volume dish builder is comprised of die sleeve, core, heating tube, winding disc, sealing ring, support, spring bearing; Haulage gear is comprised of support, reductor, sprocket wheel, chain, contiguous block, clip, bolt; Cutting mechanism is comprised of support, slide rail, gear lasso, driving gear, reductor, cutting machine, cylinder, heating tube is placed in the hole of core, control system is comprised of PLC Programmable Logic Controller, sensor, display floater, and the outlet of nylon extruder connects and is connected with ingate on the die sleeve wall; Described cutting mechanism is positioned at the rear portion of haulage gear, and the lower end of support is provided with the guide rail key parallel with the nylon tube conduit axis, is provided with that can to hold ，Kong De rear end, the hole external diameter that nylon tube passes be cylinder in the middle of support; The endoporus matched in clearance of described gear lasso is on the cylinder external diameter of bracket holes rear end; Described cutting machine is by the guide rail key guide rail that is slidably connected, and guide rail is fixedly connected with the gear lasso; Described driving gear is connected with the output shaft of reductor, and is meshed with the gear teeth on the gear lasso by a pair of transition gear; In control system, sensor is two, is arranged on a pressure sensor in the nylon pipeline die cavity and is arranged on a linear transducer in cutting mechanism, and two sensors are connected with the PLC Programmable Logic Controller by wire respectively; In described display floater, be provided with the input touch-screen of power switch knob, cavity pressure setting data and nylon tube length setting data and the input touch-screen that reductor is set rotating speed, it is characterized in that:
Die sleeve is designed to die sleeve back segment and die sleeve leading portion, and core is arranged among die sleeve, and core is designed to two sections different cylinders of diameter, fragment position correspondence after enlarged diameter section cylinder and die sleeve, reduced diameter section cylinder and die sleeve front-end position correspondence vertically;
The setting circumference of described core cylinder with large diameter wall section is provided with a plurality of equally distributed axially extending bores, and an end in hole is positioned at the cylinder with large diameter end face, and the other end is positioned on the step surface of cylinder with large diameter and small diameter cylinders phase cross surface;
In the middle of described winding disc, be hollow cylinder, the two ends of cylinder are respectively equipped with a disk, and described hollow cylinder two ends are connected with the die sleeve back segment with the die sleeve leading portion respectively, and jointly form die sleeve integral body with die sleeve leading portion and die sleeve back segment;
In described haulage gear, clip is designed to front band and lower catch hoop, and lower catch hoop is fixed on chain.
2. a kind of steel skeleton according to claim 1 strengthens the nylon pipeline production machinery, it is characterized in that the core large diameter cylindrical surface is provided with flange, and flange is fixedly connected with die sleeve by bolt; The through hole that steel wire passes through on core evenly is arranged on the small diameter cylinders lateral surface, becomes the warp of nylon pipeline steel skeleton.
3. a kind of steel skeleton according to claim 1 strengthens the nylon pipeline production machinery, it is characterized in that the edge of described winding disc hollow cylinder two ends disk is supported on many bogie wheels, and wherein a disk is provided with gear and is meshed with reducer gear.
4. a kind of steel skeleton according to claim 1 and 2 strengthens the nylon pipeline production machinery, it is characterized in that described winding disc is provided with many steel wire coil supports, be evenly distributed on the circumference of winding disc, on the position of corresponding each steel wire coil support on the hollow cylinder of winding disc, be provided with the hole that can pass through for steel wire, the rotation by winding disc becomes steel wire winding the parallel of steel skeleton on the warp of nylon pipeline steel skeleton.
5. a kind of steel skeleton according to claim 1 strengthens the nylon pipeline production machinery, it is characterized in that nylon tube is placed between upper and lower clip, and upper and lower clip clamps nylon tube by securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202921971U CN203305460U (en) | 2013-05-27 | 2013-05-27 | Manufacturing machinery of steel skeleton reinforced nylon pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202921971U CN203305460U (en) | 2013-05-27 | 2013-05-27 | Manufacturing machinery of steel skeleton reinforced nylon pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203305460U true CN203305460U (en) | 2013-11-27 |
Family
ID=49611694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202921971U Expired - Fee Related CN203305460U (en) | 2013-05-27 | 2013-05-27 | Manufacturing machinery of steel skeleton reinforced nylon pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203305460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252868A (en) * | 2013-05-27 | 2013-08-21 | 江苏宏发工程尼龙有限公司 | Manufacturing machine for steel skeleton reinforced nylon pipeline |
-
2013
- 2013-05-27 CN CN2013202921971U patent/CN203305460U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252868A (en) * | 2013-05-27 | 2013-08-21 | 江苏宏发工程尼龙有限公司 | Manufacturing machine for steel skeleton reinforced nylon pipeline |
| CN103252868B (en) * | 2013-05-27 | 2014-07-16 | 江苏宏发工程尼龙有限公司 | Manufacturing machine for steel skeleton reinforced nylon pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106976218B (en) | Extrusion molding method and device for small-caliber pipe without weld mark | |
| CN105057872B (en) | Diameter changing device for producing electric pole framework of steel reinforcement reducer seam welder | |
| CN103182457A (en) | High-speed spinning sealing process method for pipe port | |
| CN210417963U (en) | A draw gear for steel pipe production | |
| CN110421207B (en) | Automatic blanking and wave knocking equipment for small-caliber annular metal corrugated pipe | |
| CN102463407A (en) | Traction type rolling welding machine | |
| CN103480686A (en) | Forming equipment of spiral pipe with special section and forming method | |
| CN104441672A (en) | Plastic corrugated pipe with steel belt reinforcing bodies as well as process and equipment for manufacturing same | |
| CN103252868B (en) | Manufacturing machine for steel skeleton reinforced nylon pipeline | |
| CN103434163A (en) | Tire casing component transmission device | |
| CN104669577A (en) | Special-shaped wall pipe holder, socket forming mould and bell and spigot manufacturing equipment | |
| CN203305460U (en) | Manufacturing machinery of steel skeleton reinforced nylon pipeline | |
| WO2023133989A1 (en) | Numerical control conical steel pipe spinning machine for steel pipe in static state | |
| CN202684670U (en) | Novel steel pipe internal grinder for heat expansion steel pipe | |
| CN104174797B (en) | A kind of servo-type compound Die Forging system of ultra-long tube head flanges | |
| CN104148518B (en) | A kind of poly-material technique and device of the servo rotation of single-ended mould of ultra-long tube head flanges | |
| CN106424256A (en) | Machining device for spiral copper tube and machining method thereof | |
| JP6578054B2 (en) | Injection stack molding equipment for polymer piping | |
| CN103286151A (en) | Preparation device and method for manufacturing inside and/or outside thickened aluminum alloy pipes with variable cross sections | |
| CN102009295A (en) | Automatic reducing device of seam welder | |
| CN103075582A (en) | Large-caliber steel-plate net riveting plastic composite pressure pipe and production method | |
| CN201446182U (en) | Plastic deformation mechanism | |
| CN204294657U (en) | A kind of drawbench equipment | |
| CN204526059U (en) | A kind of special-shaped wall Guan Cheng, socket mould and bell and spigot manufacturing equipment thereof | |
| CN209697822U (en) | A kind of big reducing thin wall pipe compound molding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20180527 |