CN107654748B - Plastic pipe socket type metal pipe with port reinforced ring lining and manufacturing method - Google Patents
Plastic pipe socket type metal pipe with port reinforced ring lining and manufacturing method Download PDFInfo
- Publication number
- CN107654748B CN107654748B CN201710875638.3A CN201710875638A CN107654748B CN 107654748 B CN107654748 B CN 107654748B CN 201710875638 A CN201710875638 A CN 201710875638A CN 107654748 B CN107654748 B CN 107654748B
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- Prior art keywords
- pipe
- reinforcing ring
- plastic
- plastic pipe
- socket
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52295—Joining tubular articles involving the use of a socket said socket comprising reinforcements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model provides a port reinforcing ring inside lining plastic pipe socket joint formula metal pipe and preparation method, this port reinforcing ring inside lining plastic pipe socket joint formula metal pipe includes inside lining plastic pipe socket joint formula metal pipe body, inside lining plastic pipe socket joint formula metal pipe body's bellmouth end and socket end are equipped with the reinforcing ring respectively, the reinforcing ring expansion joint is in the plastic tubing, and the plastic tubing produces deformation. The invention also comprises a plastic pipe socket type metal pipe lined with the port reinforced ring and a manufacturing method. The invention uses the pipe expanding equipment or the expanding equipment to expand the reinforcing ring, thereby supporting the plastic pipe layer on the end surface of the pipe by the compressive stress of the reinforcing ring and preventing the tensile stress generated by the shrinkage of the plastic pipe layer from layering with the end surface of the metal pipe.
Description
Technical Field
The invention relates to a socket type metal tube with a plastic tube lining in a port reinforced ring and a manufacturing method thereof.
Background
The lining plastic pipe socket type metal pipe is a pipeline most suitable for tap water transportation at present due to the advantages of good mechanical property, sanitation, environmental protection, low energy consumption, high water transportation efficiency, low operation cost, long service life, strong environmental suitability and the like. After the pipe is made of the socket-type metal pipe with the inner lining, the plastic layers and the metal layers on the two end faces of the pipe are firmly bonded, the short-time use process is relatively safe, but when the pipe is used for a long time or piled outdoors for a long time, the metal layers on the two end faces of the pipe can generate certain corrosion, the plastic layers and the metal layers on the two end faces of the pipe are separated, meanwhile, when the tensile stress generated by shrinkage of the plastic layers acts together, the separation area of the plastic layers and the metal layers is larger and larger, the plastic layers can be turned up under the action of water to block the pipeline, normal water supply of the pipeline is affected, layered positions of the plastic layers and the metal layers are generated, and the water and the metal are in direct contact, so that the water quality is seriously affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing a socket type metal pipe with a plastic pipe lining of a port reinforced ring and a manufacturing method thereof, wherein the socket type metal pipe can solve the layering problem of a plastic pipe and a metal pipe.
The technical scheme adopted for solving the technical problems is as follows:
the port reinforced ring lining plastic pipe socket type metal pipe comprises a lining plastic pipe socket type metal pipe body, wherein a socket end and a socket end of the lining plastic pipe socket type metal pipe body are respectively provided with a reinforced ring, the reinforced rings are connected in a plastic pipe in an expansion mode, and the plastic pipe is deformed.
Further, the plastic tube has a deformation amount of 0.1mm to 1mm.
Further, the reinforcing ring is a stainless steel reinforcing ring.
Further, the plastic pipe socket type metal pipe body is a composite pipe formed by pulling a plastic pipe into a metal pipe, and hot melt adhesive is adhered between the plastic pipe and the metal pipe, or by extruding and pulling the plastic pipe into the metal pipe.
Further, the plastic pipe refers to a polyethylene Pipe (PE), a polypropylene pipe (PP-R), a cross-linked polyethylene pipe (PE-X), a hard polyvinyl chloride pipe (PVC-U) or the like; the metal pipe is a socket type nodular cast iron pipe.
Further, the socket end of the lining plastic pipe socket type metal pipe body is a position from the top end of the pipe socket to 5cm-30cm of the pipe body, and the socket end is the edge of the top end of the pipe socket.
The manufacturing method of the socket type metal pipe with the plastic pipe lining of the port reinforced ring comprises the following steps: after the manufacturing of the lining plastic pipe socket type metal pipe body is completed, manufacturing of the reinforcing ring is firstly carried out, then installation of the reinforcing ring is carried out, and finally end face anti-corrosion treatment is carried out.
Further, the reinforcing ring is a stainless steel reinforcing ring, and the manufacturing steps are as follows:
1) Cutting the width and the length of stainless steel to obtain a plate shearing machine;
2) A coiling-rounding machine;
3) A welding-soldering machine;
4) And (5) polishing and grinding the welding line.
Further, the outer diameter of the stainless steel reinforcing ring is 0.5-2.0mm smaller than the inner diameter of the lining plastic pipe socket type metal pipe body; the width is 1cm-10cm, and the thickness is 1mm-3mm (preferably 1.2 mm-2.0 mm).
Further, the stainless steel reinforcing ring is installed, and the concrete steps are as follows:
5) Placing the stainless steel reinforcing ring into a manipulator;
6) Flush-flush devices;
7) Expander-expanding equipment or pipe expanding equipment.
Further, the deformation of the expansion ring of the stainless steel reinforcing ring is controlled by controlling the deformation of the outer diameter of the lining plastic pipe socket type metal pipe body, and the stainless steel reinforcing ring is required to reach the deformation of 1-2mm generated by the outer diameter of the lining plastic pipe socket type metal pipe body during expansion.
Further, the inner diameter or the outer diameter of the lining plastic pipe socket type metal pipe body is calculated through automatic positioning of the expansion pipe pressure of the expansion pipe equipment or the expansion pipe pressure of the expansion pipe equipment, and then the outer diameter of the expansion pipe die of the expansion pipe equipment or the expansion pipe pressure of the expansion pipe equipment is increased to a set value (namely, the deformation of the lining plastic pipe socket type metal pipe body is required to be increased) so as to achieve the deformation of the stainless steel reinforcing ring.
Further, the end face is corrosion-proof, and the specific steps are as follows:
8) Brushing-brush; such as zinc-rich paint;
9) Identification;
10 Checking and warehousing.
Further, the lining plastic pipe socket type metal pipe body is a lining polyethylene pipe socket type nodular cast iron pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the socket type metal pipe lined with the plastic pipe generally adopts a hot melt adhesive structure to solve the problem of adhesion between the plastic pipe and the metal pipe, and the hot melt adhesive can achieve full adhesion between the plastic pipe and the metal pipe in a short time; however, the hot melt adhesive is easy to age under the conditions of acid and alkali contained in a conveying medium or other chemical corrosion and the like, so that the plastic pipe and the metal pipe are layered, the water pipe is blocked, secondary pollution of water is caused, and the problem of layering of the plastic pipe and the metal pipe can be completely solved by adopting the port reinforcing ring.
2. The plastic pipe socket type metal pipe is connected in a socket type, the roundness requirements on the bell mouth and the spigot mouth of the pipe are high, the reinforcing ring is added at the port, the strength of the bell mouth and the spigot mouth of the metal pipe is increased, and the problems that the metal pipe is easy to deform, the installation difficulty is high and even cannot be installed in the transportation process, the loading and unloading process, the installation process and the like under the action of external force can be better solved.
3. The reinforcing ring is added, so that the problem of layering of the plastic pipe and the metal pipe can be completely solved, the using amount of hot melt adhesive can be reduced, meanwhile, the thickness of the plastic pipe can be correspondingly reduced, materials are saved, the cost is reduced, and the difference between the saved material cost and the cost of the reinforcing ring is calculated to be more than 60%.
4. Because the metal wall thickness of the bell mouth and the metal wall thickness of the spigot are inconsistent, when the pipe is heated and compounded, the temperature of the bell mouth and the spigot are difficult to control, so that the bonding difficulty of the plastic pipe and the metal pipe is the two ports of the pipe, the product percent of pass is lower, the cost is very high, the problem of layering of the plastic pipe and the metal pipe caused by unbonded pipe ports can be completely solved by adding the reinforcing ring, the product percent of pass of the bell mouth and the spigot of the plastic pipe is greatly improved, and the material cost and the production labor cost are greatly reduced. Also, the unqualified products of the socket type metal pipe lined with the plastic pipe are difficult to process, if the cost of separating the plastic from the metal is very high, the unqualified products cannot be lost, two methods are generally adopted, one method is to sell the unqualified products as waste metal, and the method has extremely low price and high cost; the second is to burn the plastic and keep the metal tube for continuous use, and the method has lower cost than the first method but has larger environmental pollution. Therefore, the reinforcing ring is added to improve the qualification rate of the product and simultaneously has the effects of saving energy, reducing consumption and protecting the environment.
5. The invention adopts the technical scheme that the reinforcing rings are arranged at the two ends of the inner lining plastic pipe socket type metal pipe, so that the inner and outer layers of the inner lining plastic pipe socket type metal pipe are prevented from layering, and the stability and the integrity of the inner lining plastic pipe socket type metal pipe structure are effectively maintained.
6. The invention controls the deformation of the reinforcing ring by controlling the deformation of the outer diameter of the lining plastic pipe socket type metal pipe, in particular to the technical proposal that the deformation of the stainless steel reinforcing ring is achieved by controlling the pressure of the diameter expanding equipment or the pipe expanding equipment to automatically position and calculate the inner diameter or the outer diameter of the lining plastic pipe socket type metal pipe and then increasing the outer diameter of the pipe expanding mould of the pipe expanding equipment or the pipe expanding equipment to a set value (namely, the deformation of the lining plastic pipe socket type metal pipe body is required to be increased), thereby ensuring the firm and firm installation of the reinforcing ring, preventing the problems of cracking and difficult installation of the pipe caused by the overlarge deformation of the lining plastic pipe socket type metal pipe, and simultaneously solving the problems of the deformation of the lining plastic pipe socket type metal pipe caused by the incapability of controlling the different wall thickness of the pressure of the pipe expanding equipment or the diameter expanding equipment.
7. The invention adopts the reinforcing ring to expand the outer diameter of the metal pipe by 1-2mm, when the pipe expanding equipment or the diameter expanding equipment stops working, the metal pipe can retract rapidly, the reinforcing ring is connected with the surface layer of the plastic pipe in an expansion way, and the plastic pipe deforms by 0.1-1 mm, so that the reinforcing ring firmly supports the port of the plastic pipe by using compressive stress, thereby solving the problem of layering of the plastic pipe and the metal pipe.
According to the invention, the mechanical arm is adopted to put the ring, the leveling machine levels the reinforcing ring with the end opening of the plastic pipe socket joint type metal pipe, the production efficiency is high, and the quality of the processed product is stable and reliable.
9. According to the technical scheme of carrying out anti-corrosion treatment on the mounted reinforcing ring by adopting zinc-rich paint, the inner anti-corrosion performance of the lining plastic pipe socket metal pipe can be improved, the service life of the lining plastic pipe socket metal pipe is prolonged, and the effect of the reinforcing ring is further remarkable.
Drawings
FIG. 1 is a schematic view of an embodiment of a plastic pipe-lined socket metal pipe with a port reinforcing ring according to the present invention;
fig. 2 is an enlarged schematic view of a portion a of the embodiment shown in fig. 1.
Detailed Description
The invention is further illustrated by the following figures and examples.
Examples
Referring to fig. 1-2, the port reinforcing ring lining plastic pipe socket type metal pipe of the present embodiment comprises a lining plastic pipe socket type metal pipe body 1, wherein a socket end and a spigot end of the lining plastic pipe socket type metal pipe body 1 are respectively provided with a stainless steel reinforcing ring 2, the stainless steel reinforcing ring 2 is connected in the plastic pipe 1-2 in an expansion manner, and the plastic pipe 1-2 is deformed.
In this example, the deformation amount of the plastic tube 1-2 is 0.5mm.
In this embodiment, the plastic pipe-lined socket type metal pipe body 1 refers to a composite pipe formed by extruding and drawing a plastic pipe 1-2 into a metal pipe 1-1. Of course, it can also be a composite pipe formed by pulling a plastic pipe into a metal pipe with a hot melt adhesive between them.
In this embodiment, the plastic pipe 1-2 is a polyethylene Pipe (PE), and the metal pipe 1-1 is a socket-type ductile cast iron pipe. Of course, the plastic pipe may be a polypropylene pipe (PP-R), a crosslinked polyethylene pipe (PE-X), a hard polyvinyl chloride pipe (PVC-U), or the like.
In this embodiment, the socket end of the lining plastic pipe socket type metal pipe body 1 is 20cm from the top end of the pipe socket to the pipe body, and the socket end is the edge of the top end of the pipe socket.
The manufacturing method comprises the following steps:
1) And measuring the inner diameter of the socket type nodular cast iron pipe body of the lining polyethylene pipe, calculating the circumference of a stainless steel reinforcing ring which is 1mm smaller than the inner diameter of the socket type nodular cast iron pipe body of the lining polyethylene pipe, cutting a stainless steel belt with the calculated circumference as the length, and enabling the width of the stainless steel belt to be 2cm.
2) And adjusting the position and angle of a mould of the rolling machine according to the outer diameter of the stainless steel reinforcing ring, and feeding the cut stainless steel strip into the rolling machine to form the stainless steel ring.
3) The coiled stainless steel ring is sent to an automatic welding machine for welding.
4) And polishing the welded stainless steel ring weld by a polishing machine to be smooth, and manufacturing the stainless steel reinforcing ring.
5) The stainless steel reinforcing ring is arranged on the feeding frame, the lining polyethylene pipe socket type nodular cast iron pipe body is arranged on the making station, the mechanical arm inserts the stainless steel reinforcing ring into the lining polyethylene pipe socket type nodular cast iron pipe body end, and the insertion depth is two thirds of the width of the stainless steel reinforcing ring.
6) And (3) jacking the stainless steel reinforcing ring inserted into the lining polyethylene pipe socket type nodular cast iron pipe body into the lining polyethylene socket type nodular cast iron pipe body by using a flush machine until the stainless steel reinforcing ring is flush with the end face of the lining polyethylene pipe socket type nodular cast iron pipe body.
7) Inserting a pipe expanding equipment or a die of the pipe expanding equipment into a lining polyethylene pipe socket type nodular cast iron pipe body provided with a stainless steel reinforcing ring, and expanding the pipe by the following modes:
a) Applying a certain pressure to deform the stainless steel reinforcing ring and the lining polyethylene pipe socket type nodular cast iron pipe body, decompressing, and returning the die, wherein the stainless steel reinforcing ring rebounds from the lining polyethylene pipe socket type nodular cast iron pipe body at the moment, and the stainless steel reinforcing ring is completely fastened and firmly installed in the lining polyethylene pipe socket type nodular cast iron pipe body because the rebound amplitude of the stainless steel reinforcing ring is smaller than that of the lining polyethylene pipe socket type nodular cast iron pipe body;
b) The method comprises the steps of firstly, applying a certain pressure to enable a stainless steel reinforcing ring to deform and stick to the inner wall of a lining polyethylene pipe socket type nodular cast iron pipe body, wherein the lining polyethylene pipe socket type nodular cast iron pipe body does not deform at the moment, secondly, controlling the deformation of the lining polyethylene pipe socket type nodular cast iron pipe body by controlling the stroke of a pipe expanding device or a diameter expanding device die, stopping expanding the pipe, decompressing, retracting a die, and enabling the stainless steel reinforcing ring and the lining polyethylene pipe socket type nodular cast iron pipe body to rebound at the moment;
c) Applying pressure to deform the stainless steel reinforcing ring and the lining polyethylene pipe socket type nodular cast iron pipe body, stopping expanding the pipe after the deformation of the lining polyethylene pipe socket type nodular cast iron pipe body reaches a specified size, releasing pressure, and retracting the die, wherein the stainless steel reinforcing ring and the lining polyethylene pipe socket type nodular cast iron pipe body rebound at the moment, and the stainless steel reinforcing ring is completely fastened and firmly installed in the lining polyethylene pipe socket type nodular cast iron pipe body because the rebound amplitude of the stainless steel reinforcing ring is smaller than that of the lining polyethylene pipe socket type nodular cast iron pipe body;
8) And (3) coating zinc-rich paint on the end face of the socket-type nodular cast iron pipe body of the lining polyethylene pipe with the expanded stainless steel reinforcing ring to prevent the end face from being corroded.
The invention relates to a manufacturing method of a port reinforced ring lining plastic pipe socket type metal pipe, which comprises the steps of rolling a stainless steel belt by a steel belt rolling machine, welding a steel belt interface by a welding machine, polishing a welded junction to be smooth by a polishing machine to manufacture a stainless steel reinforced ring, inserting the stainless steel reinforced ring into a port of the lining plastic pipe socket type metal pipe, and aligning one end edge of the stainless steel reinforced ring with a pipe end surface of a lining plastic pipe socket type spheroidal graphite cast iron; expanding the stainless steel reinforcing ring by using pipe expanding equipment or expanding equipment; the end face of the pipe is subjected to corrosion-resistant treatment by zinc-rich paint, so that the technical scheme of supporting lining plastic layers at two ports of a lining plastic pipe socket type metal pipe by a stainless steel reinforced ring and preventing the plastic layers and the metal layers of the pipe is realized. The pipe overcomes the defect that the inner layer and the outer layer of the pipe are layered due to corrosion of the metal layer at the port of the socket type metal pipe of the prior lining plastic pipe.
Claims (4)
1. The utility model provides a manufacturing method of port reinforcing ring inside lining plastic pipe socket joint formula tubular metal resonator, port reinforcing ring inside lining plastic pipe socket joint formula tubular metal resonator includes inside lining plastic pipe socket joint formula tubular metal resonator body, inside lining plastic pipe socket joint formula tubular metal resonator body's bellmouth end and socket end are equipped with the reinforcing ring respectively, the reinforcing ring expansion joint is in the plastic tubing, and the plastic tubing produces deformation, the deflection volume of plastic tubing is 0.1mm-1mm, the reinforcing ring is stainless steel reinforcing ring, its characterized in that, manufacturing method includes:
after the manufacturing of the plastic pipe socket type metal pipe body is completed, manufacturing the reinforcing ring, installing the reinforcing ring, and finally performing end surface anti-corrosion treatment;
the manufacturing steps of the reinforcing ring comprise:
1-1) stainless steel width and length cutting-plate shearing machine;
1-2) a coiling-rounding machine;
1-3) a welding-soldering machine;
1-4) polishing and grinding the welding line;
the step of installing the reinforcing ring includes:
2-1) placing a stainless steel reinforcing ring into a manipulator;
2-2) flush-flush equipment;
2-3) an expander-expanding device or a tube expanding device;
the deformation of the stainless steel reinforcing ring is controlled by controlling the deformation of the outer diameter of the lining plastic pipe socket type metal pipe body, the inner diameter or the outer diameter of the lining plastic pipe socket type metal pipe body is calculated through automatic positioning of the expansion pipe pressure of the expansion pipe equipment or the expansion pipe equipment, and then the deformation of the stainless steel reinforcing ring is achieved by increasing the outer diameter of the expansion pipe die of the expansion pipe equipment or the expansion pipe equipment to a set value, and the deformation of the stainless steel reinforcing ring is required to be 1-2mm when the stainless steel reinforcing ring expands, so that the outer diameter of the lining plastic pipe socket type metal pipe body is required to be deformed.
2. The method for manufacturing a socket-and-spigot metal pipe with a plastic pipe lining in a port reinforcing ring according to claim 1, wherein the step of end surface corrosion prevention comprises:
3-1) brushing-brushing;
3-2) identification;
3-3) checking and warehousing.
3. The method for manufacturing the port reinforced ring-lined plastic pipe socket-and-spigot metal pipe according to claim 1, wherein the method comprises the following steps: the plastic pipe socket joint type metal pipe body is a composite pipe formed by pulling a plastic pipe into a metal pipe, and hot melt adhesive is adhered between the plastic pipe and the metal pipe, or by extruding and pulling the plastic pipe into the metal pipe.
4. The method for manufacturing the port reinforced ring-lined plastic pipe socket-and-spigot metal pipe according to claim 1, wherein the method comprises the following steps: the socket end of the lining plastic pipe socket type metal pipe body is a position from the top end of the pipe socket to 5cm-30cm of the pipe body, and the socket end is the edge of the top end of the pipe socket.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875638.3A CN107654748B (en) | 2017-09-25 | 2017-09-25 | Plastic pipe socket type metal pipe with port reinforced ring lining and manufacturing method |
| PCT/CN2017/109448 WO2019056510A1 (en) | 2017-09-25 | 2017-11-06 | Bell and spigot-type metal pipe having end reinforcing ring and plastic liner pipe, and manufacturing method |
| TW107121846A TWI702358B (en) | 2017-09-25 | 2018-06-26 | Manufacturing method of socket type metal pipe lined with plastic pipe in port reinforcement ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875638.3A CN107654748B (en) | 2017-09-25 | 2017-09-25 | Plastic pipe socket type metal pipe with port reinforced ring lining and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654748A CN107654748A (en) | 2018-02-02 |
| CN107654748B true CN107654748B (en) | 2023-08-18 |
Family
ID=61131156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710875638.3A Active CN107654748B (en) | 2017-09-25 | 2017-09-25 | Plastic pipe socket type metal pipe with port reinforced ring lining and manufacturing method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107654748B (en) |
| TW (1) | TWI702358B (en) |
| WO (1) | WO2019056510A1 (en) |
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| CN109210286A (en) * | 2018-11-06 | 2019-01-15 | 湖南振辉管业有限公司 | Outer plastic-coated lining plastic metal composite pipe and its manufacturing method |
| CN109237146A (en) * | 2018-11-06 | 2019-01-18 | 湖南振辉管业有限公司 | Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method |
| CN110005885A (en) * | 2019-04-29 | 2019-07-12 | 湖南振辉管业有限公司 | A kind of enhanced steel pipe of bellmouth and preparation method thereof |
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
| CN112025221B (en) * | 2020-08-29 | 2022-10-21 | 维都利阀门有限公司 | Process for completely lining valve body with rare metal |
| CN112935109B (en) * | 2021-03-04 | 2023-10-10 | 湖南振辉管业有限公司 | Hydraulic reinforcing device and method for metal plastic composite pipe |
| CN115157709B (en) * | 2022-06-30 | 2024-02-02 | 湖南振辉管业有限公司 | Device and method for installing lining ring capable of forming lining ring chamfer |
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- 2017-09-25 CN CN201710875638.3A patent/CN107654748B/en active Active
- 2017-11-06 WO PCT/CN2017/109448 patent/WO2019056510A1/en active Application Filing
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2018
- 2018-06-26 TW TW107121846A patent/TWI702358B/en active
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI702358B (en) | 2020-08-21 |
| TW201915374A (en) | 2019-04-16 |
| WO2019056510A1 (en) | 2019-03-28 |
| CN107654748A (en) | 2018-02-02 |
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