CN113524657A - Manufacturing process of glass fiber reinforced plastic sleeve - Google Patents
Manufacturing process of glass fiber reinforced plastic sleeve Download PDFInfo
- Publication number
- CN113524657A CN113524657A CN202010313125.5A CN202010313125A CN113524657A CN 113524657 A CN113524657 A CN 113524657A CN 202010313125 A CN202010313125 A CN 202010313125A CN 113524657 A CN113524657 A CN 113524657A
- Authority
- CN
- China
- Prior art keywords
- lining
- pipeline
- reinforced plastic
- curing
- plastic sleeve
- 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.)
- Pending
Links
- 239000011152 fibreglass Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000001723 curing Methods 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 229920006267 polyester film Polymers 0.000 claims abstract description 12
- 239000012779 reinforcing material Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 9
- 239000002356 single layer Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000011416 infrared curing Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 241000519995 Stachys sylvatica Species 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000037303 wrinkles Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0052—Testing, e.g. testing for the presence of pinholes
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0065—Heat treatment
- B29C63/0069—Heat treatment of tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a glass fiber reinforced plastic sleeve manufacturing process, which comprises the following steps of 1: the preparation process comprises the steps of debugging equipment, cleaning a mould and then coating a polyester film on the surface of the mould. And a step 2: and a lining manufacturing procedure, namely firstly preparing lining resin, preparing according to a formula, then preparing a reinforcing material, cutting the reinforcing material to a designed width, then manufacturing the lining layer according to the design requirement, and applying reasonable tension in the laying process of each single layer and overlapping the tension with a proper amount. Has the advantages that: according to the invention, the polyester film is coated on the surface of the mold, the film is required to be free of damage and wrinkles and smooth and clean on two sides, the quality of the film product meets the requirements of GB13950-1992, the product can be protected, the product quality is improved, the demolding is convenient, the curing effect of the product is improved by performing two processes of a far infrared deep curing process and an infrared curing process on the glass steel sleeve, the corrosion resistance and the temperature resistance of the pipeline can be effectively improved, and the product performance is improved.
Description
Technical Field
The invention relates to the technical field of a manufacturing process of a glass fiber reinforced plastic sleeve, and relates to a manufacturing process of a glass fiber reinforced plastic sleeve.
Background
The glass fiber reinforced plastic sleeve is a novel composite material pipe which is compounded by taking resin as a matrix and glass fiber as a reinforcing material and is bonded and molded with unsaturated resin. The anti-pressure plastic pipe has the advantages of strong anti-pressure force, light weight, smooth inner wall, small friction coefficient, easy and convenient carrying and transportation compared with a metal steel pipe and a cement pipe, simple and convenient construction and installation, trouble and labor saving, strong corrosion resistance, insulation, non-magnetism, acid resistance, alkali resistance, flame retardance, static resistance and good elastic modulus, completely solves the characteristics of easy decay and no distortion elasticity of the metal steel pipe, overcomes the defects of easy aging and poor impact resistance of the plastic pipe, has good water resistance and can not deteriorate after being used in moist or water for a long time.
The glass fiber reinforced plastic sleeve is strictly processed according to the process steps during production, the used material proportion also needs to be configured according to the proportion process, the product quality and the working performance of the glass fiber reinforced plastic sleeve are ensured, but the existing glass fiber reinforced plastic sleeve manufacturing process mainly has the following problems.
1. After the glass fiber reinforced plastic sleeve is processed and produced, the mold is inconvenient to demold, the glass fiber reinforced plastic sleeve is easily damaged in the demolding process, and the production quality of a product is affected.
2. The existing glass fiber reinforced plastic sleeve manufacturing process has the disadvantages of poor curing effect, long curing time and low working efficiency.
3. When the glass fiber reinforced plastic sleeve is used, the outer surface of the glass fiber reinforced plastic sleeve is corroded, the damage is serious, and the service life of the glass fiber reinforced plastic sleeve can be influenced.
Disclosure of Invention
The invention aims to solve the problems and provide a glass fiber reinforced plastic sleeve manufacturing process.
The invention realizes the purpose through the following technical scheme:
a glass fiber reinforced plastic sleeve manufacturing process comprises the following steps:
step 1: the preparation process comprises the steps of debugging equipment, ensuring the stable operation of the equipment, improving the working precision, cleaning a mould, and then coating a polyester film on the surface of the mould, so that the demoulding of the pipeline is facilitated;
and a step 2: a lining manufacturing procedure, namely firstly preparing lining resin, preparing according to a formula, then preparing a reinforcing material, cutting the reinforcing material to a designed width, then manufacturing the lining layer according to the design requirement, applying reasonable tension in the laying process of each single layer, overlapping the single layers with a proper amount, repeatedly rolling and driving out bubbles by using a combined compression roller to ensure that the fibers are completely soaked, requiring that each reinforcing material layer meets the designed resin content requirement, and finally performing preliminary self-inspection;
step 3: a far infrared deep curing process, which is used for carrying out far infrared deep curing treatment on the processed glass steel sleeve, so that the curing degree of the lining layer is improved, and the corrosion resistance and temperature resistance of the pipeline are improved;
and step 4: the process quality inspection and winding process, the inner lining of the glass steel tube is inspected again, the inner lining is confirmed to have no bubbles, air holes and impurities, the surface is smooth, the resin content is reasonable, the phenomena of white spots, poor local curing and the like are avoided, the qualified product is manufactured and wound on a machine, the designed parameters are input into a microcomputer, and after the inner lining is cured, the microcomputer controls alkali-free untwisted glass fibers to carry out reciprocating winding until the thickness of a winding layer is reached;
step 5: an infrared curing process, wherein the pipeline enters a curing and curing stage, and the die is kept to roll at a proper rotating speed in the curing process so as to be uniformly cured;
step 6: trimming and demolding, namely trimming the port of the pipeline when the Babbitt hardness of the pipeline is more than 30, separating the pipeline from the mold by using a hydraulic demolding machine, and marking the middle part of the pipeline according to requirements;
step 7: the pipeline hydraulic test and the placing process are characterized in that each batch of pipelines are subjected to the hydraulic test according to the specification, filled with water, uniformly boosted to 1.5 times of the design pressure of the pipelines and kept for not less than 2 minutes, the surfaces of the pipelines and a pressure gauge are carefully checked, and the pipelines are placed in a two-point supporting mode after the pressure test is qualified.
Further, in the step 1, the die is required to be smooth in surface and timely repaired and maintained when problems exist, the lapping width of the polyester film is 1-2 cm, the thickness of the polyester film is 40um, the film is required to be free of damage and corrugation, the two sides of the film are smooth and clean, the quality of the film product meets the requirements of GB13950-1992, and the processing precision of the product can be improved.
Furthermore, whether the inner lining reaches the designed thickness, whether the phenomena of poor glue and glue hanging exist locally, whether white spots and bubbles exist, whether the phenomena exist, and the like are checked during self-checking in the step 2, if the phenomena occur, the phenomena need to be reported in time and processing measures need to be taken, the reject ratio can be reduced, the loss is reduced, and the production quality of products is ensured.
Furthermore, in the step 3, an outer protective layer with 100% resin content is coated outside the thickness of the winding layer, the resin content of the winding layer is about 35% generally, the thickness of the winding layer depends on the combination of the strength and the rigidity of the pipeline design, the glass steel pipe sleeve can be protected, and the service life is prolonged.
The invention has the beneficial effects that:
1. according to the invention, the polyester film is coated on the surface of the die, the film is required to be free from damage and wrinkles and smooth and clean on two sides, the quality of the film product meets the requirements of GB13950-1992, the product can be protected, the product quality is improved, and the demoulding is convenient;
2. according to the invention, the curing effect of the product is improved by performing two procedures of a far infrared deep curing procedure and an infrared curing procedure on the glass fiber reinforced plastic sleeve, so that the corrosion resistance and temperature resistance of the pipeline can be effectively improved, and the product performance is improved;
3. the invention can protect the product, reduce the abrasion degree of the product and prolong the service life by externally coating the outer protective layer with 100 percent of resin content on the surface of the glass fiber reinforced plastic sleeve.
Detailed Description
A glass fiber reinforced plastic sleeve manufacturing process comprises the following steps:
step 1: the preparation process comprises the steps of debugging equipment, ensuring the stable operation of the equipment, improving the working precision, cleaning a mould, and then coating a polyester film on the surface of the mould, so that the demoulding of the pipeline is facilitated;
and a step 2: a lining manufacturing procedure, namely firstly preparing lining resin, preparing according to a formula, then preparing a reinforcing material, cutting the reinforcing material to a designed width, then manufacturing the lining layer according to the design requirement, applying reasonable tension in the laying process of each single layer, overlapping the single layers with a proper amount, repeatedly rolling and driving out bubbles by using a combined compression roller to ensure that the fibers are completely soaked, requiring that each reinforcing material layer meets the designed resin content requirement, and finally performing preliminary self-inspection;
step 3: a far infrared deep curing process, which is used for carrying out far infrared deep curing treatment on the processed glass steel sleeve, so that the curing degree of the lining layer is improved, and the corrosion resistance and temperature resistance of the pipeline are improved;
and step 4: the process quality inspection and winding process, the inner lining of the glass steel tube is inspected again, the inner lining is confirmed to have no bubbles, air holes and impurities, the surface is smooth, the resin content is reasonable, the phenomena of white spots, poor local curing and the like are avoided, the qualified product is manufactured and wound on a machine, the designed parameters are input into a microcomputer, and after the inner lining is cured, the microcomputer controls alkali-free untwisted glass fibers to carry out reciprocating winding until the thickness of a winding layer is reached;
step 5: an infrared curing process, wherein the pipeline enters a curing and curing stage, and the die is kept to roll at a proper rotating speed in the curing process so as to be uniformly cured;
step 6: trimming and demolding, namely trimming the port of the pipeline when the Babbitt hardness of the pipeline is more than 30, separating the pipeline from the mold by using a hydraulic demolding machine, and marking the middle part of the pipeline according to requirements;
step 7: the pipeline hydraulic test and the placing process are characterized in that each batch of pipelines are subjected to the hydraulic test according to the specification, filled with water, uniformly boosted to 1.5 times of the design pressure of the pipelines and kept for not less than 2 minutes, the surfaces of the pipelines and a pressure gauge are carefully checked, and the pipelines are placed in a two-point supporting mode after the pressure test is qualified.
Preferably, in the step 1, the die is smooth in surface and timely repaired and maintained when problems exist, the lapping width of the polyester film is 1-2 cm, the thickness of the polyester film is 40um, the film is required to be free of damage and corrugation, the two sides of the film are smooth and clean, the quality of the film product meets the requirements of GB13950-1992, and the processing precision of the product can be improved.
Preferably, whether the inner lining reaches the designed thickness, whether the phenomenon of poor glue and glue hanging exists locally, whether white spots and bubbles exist, whether the phenomenon exists, and the like are checked during self-checking in the step 2.
Preferably, in the step 3, an outer protective layer with 100% resin content is coated outside the winding layer, the resin content of the winding layer is about 35% generally, the thickness of the winding layer depends on the combination of the strength and the rigidity of the pipeline design, the glass steel pipe sleeve can be protected, and the service life of the glass steel pipe sleeve is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A glass fiber reinforced plastic sleeve manufacturing process is characterized in that: the method comprises the following steps:
step 1: preparing, namely debugging equipment, cleaning a die, and then coating a polyester film on the surface of the die;
and a step 2: a lining manufacturing procedure, namely firstly preparing lining resin, preparing according to a formula, then preparing a reinforcing material, cutting the reinforcing material to a designed width, then manufacturing the lining layer according to the design requirement, applying reasonable tension in the laying process of each single layer, overlapping the single layers with a proper amount, repeatedly rolling and driving out bubbles by using a combined compression roller to ensure that the fibers are completely soaked, requiring that each reinforcing material layer meets the designed resin content requirement, and finally performing preliminary self-inspection;
step 3: a far infrared deep curing process, which is to perform far infrared deep curing treatment on the processed glass fiber reinforced plastic sleeve to improve the curing degree of the lining layer;
and step 4: the process quality inspection and winding process, the inner lining of the glass steel tube is inspected again, the qualified product is wound on a machine, the designed parameters are input into a microcomputer, and after the inner lining is solidified, the microcomputer controls alkali-free untwisted glass fiber to carry out reciprocating winding until the thickness of a winding layer;
step 5: an infrared curing process, wherein the pipeline enters a curing and curing stage, and the die is kept to roll at a proper rotating speed in the curing process so as to be uniformly cured;
step 6: trimming and demolding, namely trimming the port of the pipeline when the Babbitt hardness of the pipeline is more than 30, separating the pipeline from the mold by using a hydraulic demolding machine, and marking the middle part of the pipeline according to requirements;
step 7: the pipeline hydraulic test and the placing process are characterized in that each batch of pipelines are subjected to the hydraulic test according to the specification, filled with water, uniformly boosted to 1.5 times of the design pressure of the pipelines and kept for not less than 2 minutes, the surfaces of the pipelines and a pressure gauge are carefully checked, and the pipelines are placed in a two-point supporting mode after the pressure test is qualified.
2. The process for manufacturing the glass reinforced plastic sleeve according to claim 1, wherein the process comprises the following steps: in the working procedure 1, the die is required to be smooth in surface and timely repaired and maintained when problems exist, the lapping width of the polyester film is 1-2 cm, the thickness of the polyester film is 40um, the film is required to be free of damage and corrugation, the two sides of the film are smooth and clean, and the quality of the film product meets the requirements of GB 13950-1992.
3. The process for manufacturing the glass reinforced plastic sleeve according to claim 1, wherein the process comprises the following steps: in the step 2, during self-checking, whether the lining reaches the designed thickness, whether the phenomenon of poor glue and glue coating exists locally, whether white spots and bubbles exist, whether the phenomenon exists, and the like need to be checked, and if the phenomenon occurs, the lining needs to be reported in time and processing measures need to be taken.
4. The process for manufacturing the glass reinforced plastic sleeve according to claim 1, wherein the process comprises the following steps: in the step 3, an outer protective layer with 100% resin content is coated outside the thickness of the winding layer, the resin content of the winding layer is about 35% generally, and the thickness of the winding layer depends on the combination of the strength and the rigidity of the pipeline design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010313125.5A CN113524657A (en) | 2020-04-20 | 2020-04-20 | Manufacturing process of glass fiber reinforced plastic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010313125.5A CN113524657A (en) | 2020-04-20 | 2020-04-20 | Manufacturing process of glass fiber reinforced plastic sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113524657A true CN113524657A (en) | 2021-10-22 |
Family
ID=78123623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010313125.5A Pending CN113524657A (en) | 2020-04-20 | 2020-04-20 | Manufacturing process of glass fiber reinforced plastic sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113524657A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069444A (en) * | 1991-08-15 | 1993-03-03 | 陈国龙 | Polytetrafluoroethylsealing sealing tight liner and manufacturing |
| CN107225784A (en) * | 2017-04-28 | 2017-10-03 | 广西北海跃达玻璃钢制品有限公司 | A kind of glass reinforced plastic pipe end production process |
| CN107984772A (en) * | 2017-12-15 | 2018-05-04 | 常熟市金亿复合材料有限公司 | The processing technology of new glass fibre reinforced plastic |
| CN108883589A (en) * | 2016-03-09 | 2018-11-23 | 安觅蓝科技股份有限公司 | Lining for impact-resistant glass fiber reinforced pipe |
-
2020
- 2020-04-20 CN CN202010313125.5A patent/CN113524657A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069444A (en) * | 1991-08-15 | 1993-03-03 | 陈国龙 | Polytetrafluoroethylsealing sealing tight liner and manufacturing |
| CN108883589A (en) * | 2016-03-09 | 2018-11-23 | 安觅蓝科技股份有限公司 | Lining for impact-resistant glass fiber reinforced pipe |
| CN107225784A (en) * | 2017-04-28 | 2017-10-03 | 广西北海跃达玻璃钢制品有限公司 | A kind of glass reinforced plastic pipe end production process |
| CN107984772A (en) * | 2017-12-15 | 2018-05-04 | 常熟市金亿复合材料有限公司 | The processing technology of new glass fibre reinforced plastic |
Non-Patent Citations (1)
| Title |
|---|
| NFCM039: "玻璃钢管道制作工艺", 《HTTPS://WWW.DOCIN.COM/P-1005440893.HTML》 * |
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Application publication date: 20211022 |