CN108705757B - PVC-U supply and drainage pipe inner wall cooling setting device - Google Patents
PVC-U supply and drainage pipe inner wall cooling setting device Download PDFInfo
- Publication number
- CN108705757B CN108705757B CN201810529867.4A CN201810529867A CN108705757B CN 108705757 B CN108705757 B CN 108705757B CN 201810529867 A CN201810529867 A CN 201810529867A CN 108705757 B CN108705757 B CN 108705757B
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- Prior art keywords
- shaping
- pipe
- extrusion die
- die head
- cooling
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 238000007493 shaping process Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 description 16
- 239000000498 cooling water Substances 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002791 soaking Methods 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of PVC pipe molding, in particular to a PVC-U water supply and drainage pipe inner wall cooling and shaping device, which comprises an extruder, an extrusion die head, a cooling and shaping device, a vacuum water tank and a tractor, wherein the cooling and shaping device comprises a cooler, a mixing pipe and a shaping mechanism, the mixing pipe penetrates from one side of the extrusion die head and penetrates out of a mold core of the extrusion die head, the cooler is connected with the shaping mechanism through the mixing pipe, the extruder is connected with the input end of the extrusion die head, the output end of the extrusion die head is connected with the input end of the vacuum water tank through the shaping mechanism, and the output end of the vacuum water tank is connected with the tractor. According to the invention, under the condition that the original shaping cooling mode is unchanged and the machine site is unchanged, the inner wall of the pipe is cooled simultaneously, and the rapid cooling shaping of the inner wall is realized through the shaping mechanism, so that the cooling speed is increased, the pipe production efficiency is improved, and the physical properties of the product are also improved.
Description
Technical Field
The invention relates to the technical field of PVC pipe molding, in particular to a PVC-U water supply and drainage pipe inner wall cooling and shaping device.
Background
In the prior art, the outer diameter shaping for the water supply/drainage pipe is realized by a special shaping device called a shaping sleeve, the special shaping device is arranged in a vacuum water tank, during the production of the water supply/drainage pipe, the material extruded from a die head enters the inner hole of the shaping sleeve, the water supply/drainage pipe is adsorbed on the inner wall of the shaping sleeve to be shaped through vacuum, and the pipe is cooled and shaped through water spraying and soaking, so that the outer diameter size and cooling of the product are ensured to be cooled from the outside, and shaping and cooling are not performed in the inside.
Disclosure of Invention
The invention aims to solve the technical defects, and provides the PVC-U water supply and drainage pipe inner wall cooling and shaping device, which can cool the inner wall of the pipe simultaneously under the condition that the original shaping and cooling mode is unchanged and the machine site is unchanged, so that the current situation that only the outer wall of the pipe is cooled is reduced.
The technical scheme of the invention is that; the utility model provides a PVC-U supply and drainage pipe inner wall cooling setting device, includes extruder, extrusion die head, cooling setting device, vacuum water tank, tractor, cooling setting device includes cooler, hybrid tube, forming mechanism, the hybrid tube penetrates from the mold core of extrusion die head to wear out from one side of extrusion die head, the cooler passes through hybrid tube and forming mechanism to be connected, the extruder is connected with the input of extrusion die head, the output of extrusion die head passes through forming mechanism and is connected with the input of vacuum water tank, the output of vacuum water tank is connected with the tractor.
Further, the shaping mechanism comprises a fixed support, a shaping intensifying member, a connecting air rod, a spray ring and a fixed rod, wherein the fixed support is fixed at the output end of the extrusion die head through a bolt, the shaping intensifying member is arranged in the vacuum water tank and is connected with the fixed support, one end of the connecting air rod penetrates through the fixed support, the shaping intensifying member and the mixing pipe, the other end of the connecting air rod is connected with the spray ring arranged in the vacuum water tank, and the fixed rod sequentially penetrates through the spray ring, the shaping intensifying member and the fixed support and stretches into the die core of the extrusion die head to fix the shaping mechanism.
Further, a heat insulation sheet is arranged between the fixed support and the extrusion die head. The heat insulation sheet cools the pipe just extruded from the extrusion die head to a certain extent, so that the influence on the fixed support caused by overhigh temperature of the pipe is avoided, and the influence on cooling water in the connecting air rod is avoided.
Further, the shaping and polishing piece is a high-temperature-resistant and abrasion-resistant plastic piece with a cylindrical structure, and the radius of the shaping and polishing piece is equal to the radius of the inner wall of the pipe needing shaping and cooling. The inner wall of the pipe is tightly adhered to the surface of a shaping and polishing piece (high-temperature-resistant and abrasion-resistant polytetrafluoroethylene material), the size of the inner hole of the pipe is shaped, the size, roundness and wall thickness of the inner hole are guaranteed, the smoothness and brightness of the inner wall of the pipe are improved through friction with the surface of the shaping and polishing piece, the resistance of water flowing in the pipe when the water supply and drainage pipe is applied is reduced, and the adhesive force of foreign matters on the inner wall is reduced.
Furthermore, the fixed support is of a cylindrical structure, and the radius of the fixed support is equal to the radius of the inner wall of the pipe to be shaped and cooled, so that the pipe smoothly transits into the vacuum water tank.
Further, the mixing tube adopts a hollow tube with high temperature resistance. The water vapor cooled by the cooler is not influenced by the temperature of the extrusion die head, the low temperature is kept, and the cooling effect is not influenced.
The cooling machine adopts a water cooling machine and an air cooling machine, cooling water of the water cooling machine and compressed air of the air cooling machine are input into the mixing pipe together to form water vapor in an aerosol state, and the purpose is to evaporate and rapidly cool, so that the cooling speed of the inner wall of the pipe is improved.
When the PVC-U water supply and drainage pipe is produced, the extruder works to plasticize the PVC raw material, the PVC raw material is extruded into a pipe through the extrusion die head, and the pipe is cooled and shaped in the vacuum water tank through the cooling and shaping device and is pulled out by the tractor. When the pipe enters the vacuum water tank, the cooling machine is started, cooling water gas enters the connecting air rod along the mixing pipe, the water gas sequentially passes through the fixed support and the shaping and polishing piece through the connecting air rod and then is conveyed to the water spraying ring, the water spraying ring sprays the cooling water gas on the inner wall of the pipe to cool the inner wall of the pipe, the cooling water gas is uniformly sprayed on the inner peripheral wall of the pipe along the circumference, the temperature of the produced pipe is reduced, the cooling speed of the pipe is increased, the cooled pipe moves forwards under the driving of the traction machine, the shaping and polishing piece rubs with the inner wall of the pipe, the shaping and polishing piece is a high-temperature resistant and wear-resistant plastic piece, when the pipe passes through the shaping and polishing piece, the inner surface becomes bright, meanwhile, the water gas is sprayed on the inner wall of the pipe to cool, and the size of the pipe is also fixed.
The invention has the beneficial effects that;
1. besides the original shaping cooling mode is unchanged, under the condition that the machine station is also unchanged, the inner wall of the pipe is cooled simultaneously, and the current situation that only the outer wall of the pipe is cooled is reduced.
2. The inner wall and the outer wall are cooled simultaneously, so that the stress generated by the pipe during cooling is reduced, and the physical properties of the product are improved. 3. The sizing mechanism is arranged, when the inside of the pipe passes through the sizing mechanism, the size of the inner hole of the pipe is sized, the size, roundness and wall thickness of the inner hole are guaranteed, the smoothness and brightness of the inner wall of the pipe are improved through friction of the sizing and polishing piece, the fluidity of water in a water pipe is enhanced, and the adhesiveness of foreign matters and scale on the inner wall of the pipe is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1:
according to the invention, under the condition that the original shaping cooling mode is not changed and the machine station is not changed, the outer wall is cooled and the inner wall of the pipe 13 is cooled simultaneously.
As shown in figure 1, a PVC-U supply and drainage pipe inner wall cooling setting device, including extruder 1, extrusion die head 2, cooling setting device, vacuum water tank 3, tractor 4, cooling setting device includes cooler 5, hybrid tube 6, forming mechanism, hybrid tube 6 penetrates from the mold core of extrusion die head 2 from one side of extrusion die head 2 and wears out, cooler 5 passes through hybrid tube 6 and is connected with forming mechanism, extruder 1 is connected with the input of extrusion die head 2, the output of extrusion die head 2 passes through forming mechanism and is connected with the input of vacuum water tank 3, the output of vacuum water tank 3 is connected with tractor 4.
In this embodiment, shaping mechanism includes fixed bolster 7, shaping intensifying member 8, connects gas pole 9, spray ring 10, dead lever 11, fixed bolster 7 passes through the output of bolt fastening at extrusion die 2, shaping intensifying member 8 locates in the vacuum water tank 3 and is connected with fixed bolster 7, the one end of connecting gas pole 9 passes fixed bolster 7, shaping intensifying member 8 and is connected with hybrid tube 6, the other end of connecting gas pole 9 is connected with spray ring 10 that locates in the vacuum water tank 3, spray ring 10, shaping intensifying member 8, fixed bolster 7 are passed in proper order and are stretched into in the mold core of extrusion die 2 with shaping mechanism fixed.
In the present embodiment, a heat insulating sheet 12 is provided between the fixing support 7 and the extrusion die 2. The heat insulation sheet 12 cools the pipe 13 just extruded from the extrusion die head 2 to a certain extent, so that the influence on the fixed support 7 caused by the overhigh temperature is avoided, and the influence on cooling water and air in the connecting air rod 9 is avoided.
In this embodiment, the shaping and polishing member 8 is a high-temperature-resistant and wear-resistant plastic member with a cylindrical structure, and the radius of the plastic member is equal to the radius of the inner wall of the pipe 13 to be shaped and cooled. The inner wall of the pipe 13 is tightly adhered to the surface of the shaping and polishing piece 8 (high-temperature-resistant and abrasion-resistant polytetrafluoroethylene material), the size of the inner hole of the pipe 13 is shaped, the size and roundness of the inner hole and the wall thickness of the pipe 13 are guaranteed, the smoothness and the brightness of the inner wall of the pipe 13 are improved through friction with the surface of the shaping and polishing piece 8, the flowing resistance of water in the pipe when the water supply/drainage pipe is applied is reduced, and the adhesion force of foreign matters on the inner wall is reduced.
In this embodiment, the fixing support 7 has a cylindrical structure, and the radius of the fixing support is equal to the radius of the inner wall of the pipe 13 to be shaped and cooled, so that the pipe 13 smoothly transits into the vacuum water tank 3.
In this embodiment, the mixing tube 6 is a hollow tube resistant to high temperatures. The water vapor cooled by the cooler 5 is not influenced by the temperature of the extrusion die head 2, the low temperature is kept, and the cooling effect is not influenced.
The cooler 5 adopts a water cooler and an air cooler, and cooling water of the water cooler and compressed air of the air cooler are input into the mixing pipe 6 together to form water vapor in an aerosol state, so that the water vapor can be evaporated and rapidly cooled, and the cooling speed of the inner wall of the pipe 13 is improved.
When the PVC-U water supply and drainage pipe is produced, the extruder 1 works to plasticize the PVC raw material, the PVC raw material is extruded into a pipe through the extrusion die head 2, and the pipe 13 is cooled and shaped in the vacuum water tank 3 through the cooling and shaping device and is pulled out by the tractor 4. When the pipe 13 enters the vacuum water tank 3, the cooling machine 5 is started, cooling water gas enters the connecting air rod 9 along the mixing pipe 6, the water gas sequentially passes through the fixed support 7 and the shaping and polishing piece 8 through the connecting air rod 9 and then is conveyed to the spray ring 10, the spray ring 10 sprays the cooling water gas on the inner wall of the pipe 13 for cooling, the cooling water gas is uniformly sprayed on the inner peripheral wall of the pipe 13 along the circumference, the temperature of the produced pipe 13 is reduced, the cooling speed of the pipe 13 is accelerated, meanwhile, the cooled pipe 13 is driven by the tractor 4 to move forwards, the shaping and polishing piece 8 rubs with the inner wall of the pipe 13, and the inner surface becomes bright when the pipe 13 passes through the shaping and polishing piece 8 due to the fact that the shaping and polishing piece 8 is a high-temperature resistant and abrasion-resistant plastic piece, and meanwhile, the water gas is sprayed on the inner wall of the pipe 13 for cooling, and the size of the pipe 13 is also fixed.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (3)
1. The utility model provides a PVC-U supply and drainage pipe inner wall cooling setting device, its characterized in that includes extruder (1), extrusion die head (2), cooling setting device, vacuum water tank (3), tractor (4), cooling setting device includes cooler (5), hybrid tube (6), forming mechanism, hybrid tube (6) are penetrated from the mold core of extrusion die head (2) from one side of extrusion die head (2) and are worn out, cooler (5) are connected with forming mechanism through hybrid tube (6), extruder (1) are connected with the input of extrusion die head (2), the output of extrusion die head (2) is connected with the input of vacuum water tank (3) through forming mechanism, the output of vacuum water tank (3) is connected with tractor (4),
The shaping mechanism comprises a fixed support (7), a shaping intensifying member (8), a connecting air rod (9), a spray ring (10) and a fixed rod (11), wherein the fixed support (7) is fixedly arranged at the output end of an extrusion die head (2) through bolts, the shaping intensifying member (8) is arranged in a vacuum water tank (3) and is connected with the fixed support (7), one end of the connecting air rod (9) penetrates through the fixed support (7), the shaping intensifying member (8) and is connected with a mixing pipe (6), the other end of the connecting air rod (9) is connected with the spray ring (10) arranged in the vacuum water tank (3), the fixed rod (11) sequentially penetrates through the spray ring (10), the shaping intensifying member (8) and the fixed support (7) and stretches into the die core of the extrusion die head (2), a heat insulation sheet (12) is arranged between the fixed support (7) and the extrusion die head (2), and the shaping intensifying member (8) is a high-temperature-resistant and wear-resistant plastic member with a cylindrical structure, and the radius of the shaping intensifying member is equal to the radius of a pipe (13) to be cooled.
2. The PVC-U water supply and drainage pipe inner wall cooling and shaping device according to claim 1, wherein the fixed support (7) is of a cylindrical structure, and the radius of the fixed support is equal to the radius of the inner wall of a pipe (13) to be shaped and cooled.
3. The PVC-U supply and drainage pipe inner wall cooling and shaping device according to claim 1, wherein the mixing pipe (6) is a high-temperature-resistant hollow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529867.4A CN108705757B (en) | 2018-05-29 | 2018-05-29 | PVC-U supply and drainage pipe inner wall cooling setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529867.4A CN108705757B (en) | 2018-05-29 | 2018-05-29 | PVC-U supply and drainage pipe inner wall cooling setting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108705757A CN108705757A (en) | 2018-10-26 |
| CN108705757B true CN108705757B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529867.4A Active CN108705757B (en) | 2018-05-29 | 2018-05-29 | PVC-U supply and drainage pipe inner wall cooling setting device |
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| Country | Link |
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| CN (1) | CN108705757B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477055B (en) * | 2020-11-04 | 2024-04-30 | 安徽戴家实业股份有限公司 | Rattan plaited pipeline extrusion cooling shaping device for hanging chair |
| CN112440456A (en) * | 2020-12-08 | 2021-03-05 | 澧县羊湖口水工机械有限责任公司 | Pipeline extrusion cooling shaping equipment for large-diameter pipeline production |
| CN114131877B (en) * | 2021-11-12 | 2023-02-07 | 临海伟星新型建材有限公司 | Production equipment and production method for ultrathin polyethylene pipeline |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337425A (en) * | 2008-08-12 | 2009-01-07 | 四川大学 | Preparation method and device of high performance polymers pipes |
| CN208645993U (en) * | 2018-05-29 | 2019-03-26 | 云南联塑科技发展有限公司 | A kind of PVC-U supplying drainage inner wall cooling and shaping device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB783449A (en) * | 1955-02-07 | 1957-09-25 | Ici Ltd | Improvements in or relating to the extrusion of organic thermoplastic materials |
| CN102773985B (en) * | 2012-07-26 | 2015-03-25 | 浙江永达实业集团有限公司 | PE (poly ethylene) thin-wall tube production equipment adopting air bag method |
| CN104139506B (en) * | 2014-07-31 | 2016-10-12 | 南京联塑科技实业有限公司 | One exempts from evacuation plastic tube extrusion mould |
| CN105235228A (en) * | 2015-07-29 | 2016-01-13 | 佛山市日丰企业有限公司 | Technological method and device for preparing biaxial orientation plastic pipe through one-step method |
| CN205364493U (en) * | 2016-01-27 | 2016-07-06 | 湖北大洋塑胶有限公司 | Thick wall tubular product extrusion moulding cooling device |
-
2018
- 2018-05-29 CN CN201810529867.4A patent/CN108705757B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337425A (en) * | 2008-08-12 | 2009-01-07 | 四川大学 | Preparation method and device of high performance polymers pipes |
| CN208645993U (en) * | 2018-05-29 | 2019-03-26 | 云南联塑科技发展有限公司 | A kind of PVC-U supplying drainage inner wall cooling and shaping device |
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| Publication number | Publication date |
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| CN108705757A (en) | 2018-10-26 |
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