CN102661455A - Strengthened tubular product and machining method - Google Patents
Strengthened tubular product and machining method Download PDFInfo
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- CN102661455A CN102661455A CN2012101799328A CN201210179932A CN102661455A CN 102661455 A CN102661455 A CN 102661455A CN 2012101799328 A CN2012101799328 A CN 2012101799328A CN 201210179932 A CN201210179932 A CN 201210179932A CN 102661455 A CN102661455 A CN 102661455A
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Abstract
The invention discloses a strengthened tubular product and a machining method and belongs to the technical field of water feeding and discharging engineering equipment and parts. The strengthened tubular product comprises a core pipe and a reinforcing rib arranged on the outer wall of the core pipe; the strengthened tubular product is characterized in that the reinforcing rib is a hollow thermoplastic pipe which is spirally wound on the outer wall of the core pipe; and the hollow thermoplastic pipe is filled with a strengthening material. A constant-temperature pressurizing and pouring method is utilized and an epoxy resin strengthening material which is mixed with fibers or grains is filled into the thermoplastic pipe, so that the annular rigidity of the tubular product is integrally strengthened and a uniform supporting force is provided. The strengthening material disclosed by the invention is easy to obtain and has low cost; a pouring method is easy and simple to operate; and the annular rigidity of the tubular product can be greatly improved. The strengthened tubular product can be used for fields of water-draining pipes, blow-off pipes, chemical pipelines, low-pressure water conveying pipes or water feeding pipeline engineering, chemical containers and the like.
Description
Technical field
The invention belongs to water supply and sewage work equipment and component technology field, be specifically related to a kind of enhancing tubing and processing method.
Background technique
Ring stiffness is the numerical value index that is used for representing tubing critical external compressive resistance load capacity, if the ring stiffness of tubing is too little, tubing excessive deformation possibly take place or the lateral deflection unstable failure occurs.The raising of tubing ring stiffness; Normally under the constant situation of material; Through strengthening tubing cross section structure wall height or changing structure shape; Or strengthen the ring stiffness index that structural material thickness promotes tubing, still, the conference that adds of pipe structure size and thickness brings the corresponding raising of cost of tubing and manufacturing efficiency to reduce.
Summary of the invention
It is high that the technical problem that the present invention will solve provides a kind of ring stiffness index, and cost is low, manufacturing efficiency is high enhancing tubing and processing method.
For solving the problems of the technologies described above, the technological scheme that the present invention taked is: a kind of enhancing tubing comprises the core pipe and is arranged on the stiffening rib on the core tube wall; It is characterized in that: said stiffening rib is the hollow thermoplastic pipe that is spirally wound on the core tube wall, is filled with reinforcing material in the thermoplastic pipe.
Wherein, said stiffening rib is one or more layers.
Wherein, said thermoplastic pipe is pipe, square tube, laddertron or taper pipe.
Wherein, said reinforcing material is the epoxy resin of fiber or particles filled thing of being mixed.
Wherein, the said fibrefill that is mixed is: 0.5-6MM short glass fiber or wood fiber.
Wherein, the said particles filled thing that is mixed is: mineral substance, glass bead, haydite, grit or plastic grain.
A kind of processing method that strengthens tubing is characterized in that: said method comprising the steps of:
The core pipe that (1) will be fixed with spiral reinforcing rod is vertically fixed;
(2) utilize pressure pump, the upper end-hole perfusion reinforcing material of the thermoplastic pipe that twines from spiral, the reinforcing material that is fed into, the gravity that utilizes pressurization and rely on himself flows to the bottom of thermoplastic pipe from the upper end-hole of thermoplastic pipe;
(3) when reinforcing material when the lower end mouth of thermoplastic pipe is overflowed, shutoff lower end mouth, and stop perfusion;
(4) leave standstill the core pipe, treat that reinforcing material in the thermoplastic pipe fully solidifies after, the core pipe is kept flat, the perfusion of cleaning thermoplastic pipe is imported and exported, and carries out the sweat soldering encapsulation process with PP or PE material to importing and exporting the position.
Wherein, Said method step (1) and (2) also comprise following technological scheme: the core pipe horizontal positioned that will be fixed with spiral reinforcing rod; Utilize pressure pump to set up perfusion and the circulation of suction epoxy resin at the thermoplastic pipe two ends, treat to stop after reinforcing material is evenly distributed in thermoplastic pipe.
Adopt the beneficial effect that technique scheme produced to be: enhancing tubing of the present invention is to be based upon on the tubing basis that has machined; Under the normal temperature pressurized conditions; Injection ring epoxy resins reinforcing material in the spiral reinforcing rod cavity that on outer pipe wall, is provided with; Uniform support force is provided, makes the ring stiffness overall enhanced of tubing.Used reinforcing material is for mixing the epoxy resin that is filled with fiber or particles filled thing; Its flexural modulus is than the high 10-15 of flexural modulus times of polythene PE, polypropylene PP; The form of the stiffening rib that forms and effect are similar to plug-in mounting steel bar in the plastic door and window framework; So can increase substantially the ring stiffness of original tubing, reduce PE, the raw-material use of PP; Fiber in the epoxy resin reinforcing material or particles filled thing are not recyclable and degradable material, and acquisition and cost are low easily; Utilize pressurization during perfusion and rely on self gravitation, method for filling is simple to operation, and manufacturing efficiency is high; And the epoxy resin reinforcing material is sealed in PP or the PE thermoplastic pipe fully and is solidified, and does not have separating out of pollutant, so safety and environmental protection.The present invention can be applicable to waste pipe, drain pipe, chemical pipeline, low-pressure delivery pipe or fields such as feedwater piping engineering and pressure vessels for the chemical industry.
Description of drawings
Fig. 1 is the cross section structure schematic representation that the present invention strengthens tubing;
Fig. 2 is the Placement schematic representation that the present invention strengthens tubing;
Fig. 3 is the perfusion processing method schematic representation that the present invention strengthens tubing;
Among the figure, 1, the core pipe, 2, thermoplastic pipe, 3, reinforcing material, 4, pressure pump, 5, the reinforcing material pond.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Be illustrated in figure 1 as the structural representation that the present invention strengthens tubing.Enhancing tubing of the present invention comprises that core pipe 1 and one deck are arranged on the stiffening rib on core pipe 1 outer wall, and stiffening rib also can be provided with multilayer; Stiffening rib is the hollow circular thermoplastic pipe 2 that is spirally wound on core pipe 1 outer wall, is filled with reinforcing material 3 in the thermoplastic pipe 2.Reinforcing material 3 is the epoxy resin of be mixed fiber or particles filled thing, and wherein, fibrefill is 0.5-6MM short glass fiber or wood fiber, and other metals or non-metallic fiber; Perhaps, the particles filled thing that is mixed is mineral substance, glass bead, haydite, grit or plastic grain, and other nondegradable particle.In addition, thermoplastic pipe 2 can also be square tube, laddertron or taper pipe.
Be illustrated in figure 2 as the Placement schematic representation that the present invention strengthens tubing; Among the figure; Two core pipes join end to end, and stiffening rib evenly is spirally wound on the outer wall of two core pipes continuously, make two core pipes connect closely; Thoroughly solved conventional tubing and used cement block to connect fixing shortcoming through Hough, and link anticorrosion with safeguard problem such as difficult treatment.
Be illustrated in figure 3 as the method for filling schematic representation of enhancing tubing of the present invention.The processing method that the present invention strengthens tubing may further comprise the steps:
The core pipe 1 that (1) will be fixed with spiral reinforcing rod is vertically fixed;
(2) utilize pressure pump 4, the upper end-hole perfusion reinforcing material 3 of the thermoplastic pipe 2 that twines from spiral, the reinforcing material 3 that is fed into, the gravity that utilizes pressurization and rely on himself flows to the bottom of thermoplastic pipe 2 from the upper end-hole of thermoplastic pipe 2;
(3) when reinforcing material 3 when the lower end mouth of thermoplastic pipe 2 is overflowed, shutoff lower end mouth, and stop perfusion;
(4) leave standstill core pipe 1, treat that reinforcing materials 3 in the thermoplastic pipe 2 fully solidify after, core pipe 1 is kept flat, the perfusion of cleaning thermoplastic pipe 2 is imported and exported, and carries out the sweat soldering encapsulation process with PP or PE material to importing and exporting the position.
And; Said method step (1) and (2) also comprise following technological scheme: core pipe 1 horizontal positioned that will be fixed with spiral reinforcing rod; Utilize pressure pump 4 to set up perfusion and the circulation of suction epoxy resin at thermoplastic pipe 2 two ends, treat to stop after reinforcing material 3 is evenly distributed in thermoplastic pipe 2.
Said method utilizes normal temperature enhancing perfusion method, and to the be mixed epoxy resin reinforcing material of fiber or particles filled thing of the inner filling of thermoplastic pipe 2, as shown in Figure 3, the epoxy resin reinforcing material is stored in the epoxy resin pond 5.Wherein, the fiber-like material that is mixed is: 0.5-6MM short glass fiber or wood fiber, and other metals or non-metallic fiber; The particulate species that is mixed is: mineral substance, glass bead, haydite, grit or plastic grain, and other nondegradable particle.Its objective is and use cheap fiber or solid particle; Under the epoxy resin bonding effect, form high-intensity elastic material, this material solidifies in tubing thermoplastic pipe inner chamber; The stiffening rib that forms can improve the ring stiffness of tubing greatly; Both realize the raising resource utilization, played the effect of environmental protection treatment together again, reduced the tubing cost simultaneously.
Claims (8)
1. one kind strengthens tubing, comprises core pipe (1) and is arranged on the stiffening rib on core pipe (1) outer wall; It is characterized in that: said stiffening rib is the hollow thermoplastic pipe (2) that is spirally wound on core pipe (1) outer wall, is filled with reinforcing material (3) in the thermoplastic pipe (2).
2. a kind of enhancing tubing according to claim 1 is characterized in that: said stiffening rib is one or more layers.
3. a kind of enhancing tubing according to claim 1 is characterized in that: said thermoplastic pipe (2) is pipe, square tube, laddertron or taper pipe.
4. a kind of enhancing tubing according to claim 1 is characterized in that: said reinforcing material (3) is the epoxy resin of be mixed fiber or particles filled thing.
5. a kind of enhancing tubing according to claim 4 is characterized in that: the said fibrefill that is mixed is: 0.5-6MM short glass fiber or wood fiber.
6. a kind of enhancing tubing according to claim 4 is characterized in that: the said particles filled thing that is mixed is: mineral substance, glass bead, haydite, grit or plastic grain.
7. processing method that strengthens tubing is characterized in that: said method comprising the steps of:
The core pipe (1) that (1) will be fixed with spiral reinforcing rod is vertically fixed;
(2) utilize pressure pump (4); The upper end-hole perfusion reinforcing material (3) of the thermoplastic pipe (2) that twines from spiral; The reinforcing material that is fed into (3), the gravity that utilizes pressurization and rely on himself, mobile from the upper end-hole of thermoplastic pipe (2) to the bottom of thermoplastic pipe (2);
(3) when reinforcing material (3) when the lower end mouth of thermoplastic pipe (2) is overflowed, shutoff lower end mouth, and stop perfusion;
(4) leave standstill core pipe (1), treat that reinforcing material (3) in the thermoplastic pipe (2) fully solidifies after, core pipe (1) is kept flat, the perfusion of cleaning thermoplastic pipe (2) is imported and exported, and carries out the sweat soldering encapsulation process with PP or PE material to importing and exporting the position.
8. a kind of processing method that strengthens tubing according to claim 7; It is characterized in that: said method step (1) and (2) also comprise following technological scheme: core pipe (1) horizontal positioned that will be fixed with spiral reinforcing rod; Utilize pressure pump (4) to set up perfusion and the circulation of suction epoxy resin at thermoplastic pipe (2) two ends, treat to stop after reinforcing material (3) is evenly distributed in thermoplastic pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101799328A CN102661455A (en) | 2012-06-04 | 2012-06-04 | Strengthened tubular product and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101799328A CN102661455A (en) | 2012-06-04 | 2012-06-04 | Strengthened tubular product and machining method |
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| Publication Number | Publication Date |
|---|---|
| CN102661455A true CN102661455A (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101799328A Pending CN102661455A (en) | 2012-06-04 | 2012-06-04 | Strengthened tubular product and machining method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949322A (en) * | 2017-03-08 | 2017-07-14 | 浙江双林机械股份有限公司 | A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method |
| CN107013760A (en) * | 2017-03-08 | 2017-08-04 | 浙江双林机械股份有限公司 | A kind of bad polyethylene winding structure pipe of anti-floating tension and its construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006132647A (en) * | 2004-11-05 | 2006-05-25 | Uc Industrial Co Ltd | Drain hose and its manufacturing method |
| CN2874177Y (en) * | 2006-03-23 | 2007-02-28 | 王利群 | Secondary winding double structure wall pipe |
| CN102128320A (en) * | 2011-03-25 | 2011-07-20 | 郑杰 | Annular rigidity winding structural pipe and formation method thereof |
| CN102182882A (en) * | 2011-04-25 | 2011-09-14 | 刘华新 | Structure-wall tubular product with high ring stiffness and molding method |
-
2012
- 2012-06-04 CN CN2012101799328A patent/CN102661455A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006132647A (en) * | 2004-11-05 | 2006-05-25 | Uc Industrial Co Ltd | Drain hose and its manufacturing method |
| CN2874177Y (en) * | 2006-03-23 | 2007-02-28 | 王利群 | Secondary winding double structure wall pipe |
| CN102128320A (en) * | 2011-03-25 | 2011-07-20 | 郑杰 | Annular rigidity winding structural pipe and formation method thereof |
| CN102182882A (en) * | 2011-04-25 | 2011-09-14 | 刘华新 | Structure-wall tubular product with high ring stiffness and molding method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949322A (en) * | 2017-03-08 | 2017-07-14 | 浙江双林机械股份有限公司 | A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method |
| CN107013760A (en) * | 2017-03-08 | 2017-08-04 | 浙江双林机械股份有限公司 | A kind of bad polyethylene winding structure pipe of anti-floating tension and its construction method |
| CN107013760B (en) * | 2017-03-08 | 2019-03-08 | 浙江双林机械股份有限公司 | A kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction method |
| CN106949322B (en) * | 2017-03-08 | 2019-03-08 | 浙江双林机械股份有限公司 | A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method |
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Application publication date: 20120912 |