CN103411043A - Reinforced plastic tube wound by LFT material strips and producing method thereof - Google Patents
Reinforced plastic tube wound by LFT material strips and producing method thereof Download PDFInfo
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- CN103411043A CN103411043A CN2013102688331A CN201310268833A CN103411043A CN 103411043 A CN103411043 A CN 103411043A CN 2013102688331 A CN2013102688331 A CN 2013102688331A CN 201310268833 A CN201310268833 A CN 201310268833A CN 103411043 A CN103411043 A CN 103411043A
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Abstract
The invention discloses a reinforced pressure-resistant plastic tube wound by LFT material strips and a producing method of the reinforced pressure-resistant plastic tube. The pressure-resistant plastic tube comprises a plastic inner wall tube and the LFT material strips wound on the outer surface of the plastic inner wall tube, and the outer surfaces of the LFT material strips are covered by a thermoplastic plastic layer in an infiltration mode. According to the reinforced pressure-resistant plastic tube wound by the LFT material strips and the producing method of the reinforced pressure-resistant plastic tube, the LFT material strips are directly wound outside the plastic inner wall tube, and homogeneous thermoplastics plastic melt bodies are squeezed to be used as reinforcing core layers, so that the technical problem that the thermoplastics plastic melt bodies cannot achieve infiltration and wrapping due to the fact that glass fiber reinforcement is directly adopted is avoided, and compressive strength, abrasive resistance and the like of the plastic tube are improved.
Description
Technical field
The present invention relates generally to the glass fiber compound material field, relates generally to the production technology of glass fibre composite granule.
Background technique
Thermoplastic articles is various, can be made into sheet material, section bar, tubing etc.Plastic tube is because vapour proportion is little, acid resistant alkali is used widely at present, and still because steam power performance, resistance to heat and dimensional stability are poor, its application is restricted.Although strengthen wall thickness, can improve its withstand voltage properties, improve limited, and cost and construction more difficult.Domestic have enterprise to adopt PVC volute Reinforced PVC large-diameter pipe, as subsoil drain.Although subsoil drain requires compressive strength not high, generally speaking, due to PVC volute hollow, wall is thin, intensity is not high, is difficult to the compressive strength that reaches higher.And volute only have the part bonding with inner wall tube, outer wall curl projection, also may bring inconvenience to transportation.
Summary of the invention
Goal of the invention: for the problem and shortage of above-mentioned existing existence, the purpose of this invention is to provide a kind of LFT material strip and be wound around enhanced plastic pipe and production method thereof, plastic tube of the present invention directly adopts the LFT material strip to be wrapped on the plastic liner pipe and clamp-ons simultaneously homogeneity thermoplastic molten body, thereby avoided glass fibre to be difficult to be infiltrated the technical problem of wrapping up by the thermoplastic molten body, reached the purpose of reinforced plastic pipe compressive strength.
Technological scheme: for achieving the above object, the present invention is by the following technical solutions: a kind of LFT material strip is wound around the enhancement mode pressure-resistant plastic tube, comprise the plastic liner pipe and be wrapped in the material strip at the LFT of plastic liner tube outer surface, this LFT material strip outer surface infiltrates and is enclosed with the thermoplastic plastic layer.
As preferably, the described LFT material strip that is wrapped in the plastic liner tube outer surface is netted or helical.
As preferably, described plastic liner pipe and outer layer plastic layer are thermoplastic of the same race.
As preferably, described thermoplastic is PVC, PA or PE.
As preferably, described LFT material strip is continuous long glass fiber reinforced thermoplastics, and wherein thermoplastic is PVC, PA, PP or PE.
Another purpose of the present invention has been to provide the production method that a kind of above-mentioned LFT material strip is wound around the enhancement mode pressure-resistant plastic tube, comprise the following steps: when the plastic liner pipe passes through extruder for shaping, the LFT material strip is wrapped in to the outer surface of plastic liner pipe, by another extruder, thermoplastic plastic molten mass of the same race is infiltrated and is wrapped in the plastic outer layer that LFT material strip outer surface forms pressure pipe.
As preferably, described LFT material strip is continuous long glass fiber reinforced thermoplastics, and wherein thermoplastic is PVC, PA, PP or PE; And the LFT material strip is netted at the plastic liner tube outer surface.
Beneficial effect: compared with prior art, the present invention has the following advantages: the present invention directly adopts the LFT material strip to be wrapped in outside the plastic liner pipe and clamp-ons homogeneity thermoplastic molten body as strengthening sandwich layer, that has avoided direct employing glass fibre to strengthen occurring is difficult to the technical problem that the thermoplastic molten body infiltrates parcel, thereby has improved the compressive strength of plastic tube and wear resistance etc.
The accompanying drawing explanation
Fig. 1 is the structural representation that LFT material strip of the present invention is wound around the enhancement mode pressure-resistant plastic tube.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiments only is not used in and limits the scope of the invention be used to the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, LFT material strip 3 of the present invention is wound around the production method of enhancement mode pressure-resistant plastic tube, and on plastic liner pipe 1 production line, installation can be around the rotating Wiring apparatus of extrusion plastic pipe, and this Wiring apparatus is laid LFT material strip 3 volumes.When plastic liner pipe 1 had just passed through extruder for shaping, Wiring apparatus was wrapped in LFT material strip 3 on this plastic liner pipe 1; Another extruder is extruded plastic molten mass of the same race simultaneously, is coated on LFT material strip 3 and by them and bonds together and form pressure pipe outer wall 2.After cooling and shaping cutting, form the pressure pipe of many sections.An other Wiring apparatus can also be installed certainly, and the switched in opposite of two Wiring apparatus, so just can form the LFT material strip 3 of netted winding, further improved the intensity of pressure-resistant plastic tube.
The revolution of turning round Wiring apparatus by control hastens, and can reach control LFT and be wound around density, thereby reach the purpose of different compressive strength, also can, by changing LFT diameter and content of glass fiber wherein, reach the pressure pipe of different compressive strength.
Another kind method is that the plastic liner pipe 1 of having produced is cut into to many sections, then LFT material strip 3 is wrapped in to its surface and by extruder, extrudes the plastic molten mass of homogeneity, and obtaining final pressure pipe through cooling and shaping.
In technique scheme, LFT material strip 3 is the fiber glass thermoplastics material strip, namely continuous long glass fiber is carried out to thermoplastic melt infiltration, parcel, and the continuous LFT material strip 3 obtained after cooling and shaping.Wherein thermoplastic melt can be PVC, PA, PP or PE, selects according to concrete Intensity Design.
Claims (7)
1. a LFT material strip is wound around the enhancement mode pressure-resistant plastic tube, it is characterized in that: comprise the plastic liner pipe and be wrapped in the material strip at the LFT of plastic liner tube outer surface, this LFT material strip outer surface infiltrates and is enclosed with the thermoplastic plastic layer.
2. the LFT material strip is wound around the enhancement mode pressure-resistant plastic tube according to claim 1, and it is characterized in that: the described LFT material strip that is wrapped in the plastic liner tube outer surface is netted or helical.
3. the LFT material strip is wound around the enhancement mode pressure-resistant plastic tube according to claim 2, and it is characterized in that: described plastic liner pipe and outer layer plastic layer are thermoplastic of the same race.
4. the LFT material strip is wound around the enhancement mode pressure-resistant plastic tube according to claim 3, and it is characterized in that: described thermoplastic is PVC, PA or PE.
5. the LFT material strip is wound around the enhancement mode pressure-resistant plastic tube according to claim 4, and it is characterized in that: described LFT material strip is continuous long glass fiber reinforced thermoplastics, and wherein thermoplastic is PVC, PA, PP or PE.
6. the described LFT material strip of a claim 1 is wound around the production method of enhancement mode pressure-resistant plastic tube, it is characterized in that comprising the following steps: when the plastic liner pipe passes through extruder for shaping, the LFT material strip is wrapped in to the outer surface of plastic liner pipe, by another extruder, thermoplastic plastic molten mass of the same race is infiltrated and is wrapped in the plastic outer layer that LFT material strip outer surface forms pressure pipe.
7. the LFT material strip is wound around the production method of enhancement mode pressure-resistant plastic tube according to claim 6, and it is characterized in that: described LFT material strip is continuous long glass fiber reinforced thermoplastics, and wherein thermoplastic is PVC, PA, PP or PE; And the LFT material strip is netted at the plastic liner tube outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102688331A CN103411043A (en) | 2013-06-28 | 2013-06-28 | Reinforced plastic tube wound by LFT material strips and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102688331A CN103411043A (en) | 2013-06-28 | 2013-06-28 | Reinforced plastic tube wound by LFT material strips and producing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103411043A true CN103411043A (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102688331A Pending CN103411043A (en) | 2013-06-28 | 2013-06-28 | Reinforced plastic tube wound by LFT material strips and producing method thereof |
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| CN (1) | CN103411043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987237A (en) * | 2015-01-30 | 2016-10-05 | 林世平 | High-strength pipe made by thermoplastic continuous fiber prepreg tapes and manufacturing method and manufacturing equipment |
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| JPH04201550A (en) * | 1990-11-30 | 1992-07-22 | Sekisui Chem Co Ltd | Manufacture of fiber reinforced resin pipe |
| JP2001293791A (en) * | 2000-04-17 | 2001-10-23 | Nikkiso Co Ltd | Method for producing long-sized fiber-reinforced plastic article |
| CN2533166Y (en) * | 2002-04-10 | 2003-01-29 | 福建振云塑胶有限公司 | Hollow wall tube |
| CN101311460A (en) * | 2007-05-24 | 2008-11-26 | 索树文 | Net floor of titanium porcelain glass fibre reinforced plastic and method of manufacture |
| CN102606813A (en) * | 2012-03-15 | 2012-07-25 | 赵炳泉 | Hollow-wall steel-plastic composite winding pipe and manufacturing method thereof |
| CN102620066A (en) * | 2012-03-27 | 2012-08-01 | 山东天迈管业有限公司 | Double composite plastic steel composite pipe and manufacture method thereof |
| CN102679047A (en) * | 2012-05-17 | 2012-09-19 | 武汉理工大学 | Continuous filament wound and reinforced thermoplastic pipe and manufacturing process thereof |
| JP2013100616A (en) * | 2011-11-08 | 2013-05-23 | Toray Monofilament Co Ltd | Long fiber reinforced thermoplastic monofilament, method for producing the same, fiber product and method for producing the same |
-
2013
- 2013-06-28 CN CN2013102688331A patent/CN103411043A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04201550A (en) * | 1990-11-30 | 1992-07-22 | Sekisui Chem Co Ltd | Manufacture of fiber reinforced resin pipe |
| JP2001293791A (en) * | 2000-04-17 | 2001-10-23 | Nikkiso Co Ltd | Method for producing long-sized fiber-reinforced plastic article |
| CN2533166Y (en) * | 2002-04-10 | 2003-01-29 | 福建振云塑胶有限公司 | Hollow wall tube |
| CN101311460A (en) * | 2007-05-24 | 2008-11-26 | 索树文 | Net floor of titanium porcelain glass fibre reinforced plastic and method of manufacture |
| JP2013100616A (en) * | 2011-11-08 | 2013-05-23 | Toray Monofilament Co Ltd | Long fiber reinforced thermoplastic monofilament, method for producing the same, fiber product and method for producing the same |
| CN102606813A (en) * | 2012-03-15 | 2012-07-25 | 赵炳泉 | Hollow-wall steel-plastic composite winding pipe and manufacturing method thereof |
| CN102620066A (en) * | 2012-03-27 | 2012-08-01 | 山东天迈管业有限公司 | Double composite plastic steel composite pipe and manufacture method thereof |
| CN102679047A (en) * | 2012-05-17 | 2012-09-19 | 武汉理工大学 | Continuous filament wound and reinforced thermoplastic pipe and manufacturing process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987237A (en) * | 2015-01-30 | 2016-10-05 | 林世平 | High-strength pipe made by thermoplastic continuous fiber prepreg tapes and manufacturing method and manufacturing equipment |
| CN105987237B (en) * | 2015-01-30 | 2019-07-19 | 林世平 | The high-strength pipe of thermoplastic continuous fibers prepreg tape and its manufacturing method and manufacturing equipment |
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Application publication date: 20131127 |