CN114131876A - Production process of glass fiber reinforced polyethylene water supply pipe - Google Patents
Production process of glass fiber reinforced polyethylene water supply pipe Download PDFInfo
- Publication number
- CN114131876A CN114131876A CN202111302135.XA CN202111302135A CN114131876A CN 114131876 A CN114131876 A CN 114131876A CN 202111302135 A CN202111302135 A CN 202111302135A CN 114131876 A CN114131876 A CN 114131876A
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- China
- Prior art keywords
- water
- pipe
- cooling
- cooling water
- pump
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- 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.)
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Classifications
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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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
- 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
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/274—Cleaning; Purging; Avoiding contamination of the extruded articles
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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
- 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
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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- 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
Abstract
The invention discloses a production process of a glass fiber reinforced polyethylene water supply pipe, and simultaneously discloses cooling equipment.A fixed cylinder is internally provided with three groups of adjustable guide wheels and three arc-shaped water storage boxes, so that the guide of pipe blanks with different diameters can be met, the outer surface of the pipe blanks can be uniformly cooled, cooling water adsorbed in a water wiping roller can be extruded out after processing, the extruded water flows into a water receiving tank through two sides of a rotating cylinder, the water wiping roller can be conveniently reused, cooling water backflow is carried out through a corresponding backflow structure, the circulation of the cooling water is formed, the waste of the cooling water in the pipe cooling process is avoided, the cooling water adsorbed in the water wiping roller can be extruded out after processing, and the extruded water flows into the water receiving tank through two sides of the rotating cylinder, so that the water wiping roller can be conveniently reused.
Description
Technical Field
The invention relates to the technical field of water supply pipe production, in particular to a production process of a glass fiber reinforced polyethylene water supply pipe.
Background
The polyethylene material is widely applied to the field of water supply pipe manufacturing due to the characteristics of high strength, corrosion resistance, no toxicity and the like. However, in the production process of the polyethylene water supply pipe at present, cooling water remained on the surface of the polyethylene water supply pipe after water cooling is usually removed by drying, so that the cooling water is wasted, and meanwhile, the water cooling is not uniform when the water cooling is carried out through a spray header in the production process of the polyethylene water supply pipe.
Disclosure of Invention
The invention aims to provide a production process of a glass fiber reinforced polyethylene water supply pipe, which solves the following technical problems: (1) the technical problem that cooling water is wasted because cooling water remained on the surface of a polyethylene water supply pipe after water cooling is usually removed by drying in the production process of the polyethylene water supply pipe in the prior art is solved; (2) the technical problem of uneven water cooling when the spray header is used for carrying out water cooling in the production process of the polyethylene water supply pipe in the prior art is solved.
The purpose of the invention can be realized by the following technical scheme:
the method comprises the following steps: adding 85-100 parts by weight of polyethylene and 20-28 parts by weight of ultramicro glass fiber cotton into the premix for banburying to prepare a mixture;
step two: adding the mixture into a single-screw extruder, extruding a pipe blank by the single-screw extruder, feeding the pipe blank into a processing chamber of cooling equipment through a sizing sleeve, enabling the pipe blank to firstly pass through a fixed cylinder, enabling a guide wheel to be in contact with the outer wall of the pipe blank, spraying cooling water in an arc water storage box onto the surface of the pipe blank through a spraying head to cool the pipe blank, enabling the cooling water in the spraying process to flow into a water receiving tank through two sides of the fixed cylinder, pumping the cooling water in the water receiving tank through a connecting pipe by a third pump, conveying the cooling water into a water return tank, pumping the cooling water in the water return tank by a fourth pump, returning the cooling water into the water storage tank through a return pipe, enabling the pipe blank to pass through a rotating cylinder, enabling the rotating cylinder to rotate, enabling a wiping roller to be in contact with the outer wall of the pipe blank, wiping the water on the outer wall of the pipe blank by the wiping roller, enabling the pipe blank to pass through the processing chamber and sequentially pass through a traction machine, And (4) processing by a cutting machine and a panel turnover machine to prepare the glass fiber reinforced polyethylene water supply pipe.
Further, the cooling device works as follows: the pipe blank enters a processing chamber of cooling equipment through a sizing sleeve, the pipe blank firstly passes through a fixed cylinder, a guide wheel is contacted with the outer wall of the pipe blank, a first pump machine and two second pump machines draw cooling water in a water storage tank and convey the cooling water into three arc-shaped water storage tanks through a first water inlet pipe and two second water inlet pipes, the cooling water in the arc-shaped water storage tanks is sprayed on the surface of the pipe blank through a spraying head to cool the pipe blank, the cooling water in the spraying process flows into a water receiving tank through two sides of the fixed cylinder, the cooling water in the water receiving tank is guided to one side of the water receiving tank through a drainage plate, a third pump machine draws the cooling water in the water receiving tank through a connecting pipe and conveys the cooling water into a water return tank, a fourth pump machine draws the cooling water in the water return tank and returns to the water storage tank through a return pipe, then the pipe blank passes through a rotary cylinder, and the rotary cylinder rotates, the water wiping roller is contacted with the outer wall of the pipe blank, and water on the outer wall of the pipe blank is wiped by the water wiping roller.
Further, the mixing temperature of the internal mixer is 150 ℃ and 260 ℃, and the mixing time is 1-1.5 h.
The invention has the beneficial effects that:
(1) the three groups of adjustable guide wheels and the three arc-shaped water storage boxes are arranged in the fixed cylinder, so that the pipe blanks with different diameters can be guided, the outer surfaces of the pipe blanks can be uniformly cooled, the cooling water adsorbed in the water wiping roller can be extruded out after processing through the matching arrangement of the fixed seat, the limiting cylinder and the pressing plate, and the extruded water flows into the water receiving tank through two sides of the rotary cylinder, so that the water wiping roller can be conveniently reused;
(2) through the cooperation setting of tooth cover and gear, can satisfy the rotation of a rotatory section of thick bamboo, and then make the roller of wiping in the rotatory section of thick bamboo can wipe the cooling water high efficiency on tubular product parison surface, through the setting of water receiving tank and drainage plate, can collect the cooling water that flows in a fixed cylinder and a rotatory section of thick bamboo to carry out the cooling water backward flow through corresponding backflow structure, form the circulation of cooling water, avoid the cooling water extravagant condition to appear in tubular product cooling process.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of a process for producing a glass fiber reinforced polyethylene water supply pipe according to the present invention;
FIG. 2 is a schematic view of the structure of the cooling apparatus of the present invention;
FIG. 3 is a view showing the internal structure of the processing chamber of the present invention;
FIG. 4 is an internal structural view of the fixed cylinder of the present invention;
FIG. 5 is the internal structure of the water receiving tank of the present invention;
FIG. 6 is an internal structural view of a rotary cylinder of the present invention;
FIG. 7 is a schematic structural view of a connecting plate of the present invention;
fig. 8 is an installation view of the guide wheel of the present invention.
In the figure: 100. a processing chamber; 200. a fixed cylinder; 201. an arc water storage box; 202. a sprinkler head; 203. a ball screw; 204. an adjusting sleeve; 206. adjusting the motor; 207. a spring lever; 208. connecting the side plates; 209. a guide wheel; 210. a connecting seat; 211. a first water inlet pipe; 212. a first pump; 213. a water storage tank; 214. a second water inlet pipe; 215. a second pump; 216. a water receiving tank; 217. a drainage plate; 218. a connecting pipe; 219. a third pump; 220. returning to a water tank; 221. a fourth pump; 222. a return pipe; 300. a connecting frame; 301. a rotary drum; 302. a gear sleeve; 303. fixing a motor; 304. a gear; 305. an adjusting cylinder; 306. a connecting plate; 307. a water wiping roller; 308. a fixed seat; 309. a limiting cylinder; 310. and pressing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-8
Example 1
A production process of a glass fiber reinforced polyethylene water supply pipe comprises the following steps:
the method comprises the following steps: adding 85 parts of polyethylene and 20 parts of superfine glass fiber cotton into the premix for banburying according to parts by weight to prepare a mixture;
step two: adding the mixture into a single-screw extruder, extruding a pipe blank by the single-screw extruder, feeding the pipe blank into a processing chamber 100 of cooling equipment through a sizing sleeve, enabling the pipe blank to firstly pass through a fixed cylinder 200, enabling an output shaft of an adjusting motor 206 to drive a ball screw 203 to rotate, enabling the ball screw 203 to drive two adjusting sleeves 204 to move oppositely, enabling the two adjusting sleeves 204 to be matched with four spring rods 207 to drive two connecting side plates 208 to move, enabling the two connecting side plates 208 to drive a plurality of guide wheels 209 to move, further enabling the guide wheels 209 to be in contact with the outer wall of the pipe blank, enabling a first pump 212 and two second pumps 215 to pump cooling water in a water storage tank 213, conveying the cooling water into three arc water storage boxes 201 through a first water inlet pipe 211 and two second water inlet pipes 214, spraying the cooling water in the arc water storage boxes 201 onto the surface of the pipe blank through a spraying head 202 to cool the pipe blank, enabling the cooling water in the spraying process to flow into a water receiving tank 216 through two sides of the fixed cylinder 200, cooling water in the water receiving tank 216 is drained to one side of the water receiving tank 216 through a drainage plate 217, a third pump 219 draws the cooling water in the water receiving tank 216 through a connecting pipe 218 and conveys the cooling water into a water return tank 220, a fourth pump 221 draws the cooling water in the water return tank 220 and returns the cooling water into a water storage tank 213 through a return pipe 222, then a pipe blank passes through a rotary cylinder 301, a fixed motor 303 is started, an output shaft of the fixed motor 303 drives a gear 304 to rotate, the gear 304 drives the rotary cylinder 301 to rotate by matching with a gear sleeve 302, a piston rod of an adjusting cylinder 305 pushes a connecting plate 306, a water wiping roller 307 is further contacted with the outer wall of the pipe blank, the water wiping roller 307 wipes water on the outer wall of the pipe blank, then the pipe blank passes through a processing chamber 100 and sequentially passes through a tractor, a cutting machine and a plate turnover machine to prepare a glass fiber reinforced polyethylene water supply pipe, and a piston rod of a limiting cylinder 309 pushes a pressing plate 310 after the processing is completed, the pressing plate 310 presses the cooling water in the water wiping roller 307, and the cooling water flows into the water receiving tank 216 through both sides of the rotary cylinder 301.
The banburying temperature of the banbury mixer is 150 ℃, and the banburying time is 1 h.
Example 2
A production process of a glass fiber reinforced polyethylene water supply pipe comprises the following steps:
the method comprises the following steps: adding 100 parts of polyethylene and 28 parts of ultra-micro glass fiber cotton into the premix for banburying according to parts by weight to prepare a mixture;
step two is the same as example 1.
The banburying temperature of the banbury mixer is 260 ℃ and the banburying time is 1.5 h.
The cooling device comprises a processing chamber 100, two connecting seats 210 are fixedly arranged at the top of the inner wall of the processing chamber 100, a fixed cylinder 200 is fixedly arranged at the bottom of the two connecting seats 210, three arc-shaped water storage boxes 201 are arranged at equal radian on the inner wall of the fixed cylinder 200, a plurality of spray heads 202 are fixedly arranged on the arc-shaped water storage boxes 201, three ball screws 203 are rotatably arranged at equal radian on the inner wall of the fixed cylinder 200, the three arc-shaped water storage boxes 201 and the three ball screws 203 are arranged in a staggered manner, the thread surfaces at the two ends of the ball screws 203 are symmetrically arranged along the middle part, two adjusting sleeves 204 are in threaded connection with the two ends of the ball screws 203, two spring rods 207 are rotatably arranged on the adjusting sleeves 204, four spring rods 207 are rotatably connected with two connecting side plates 208, a plurality of guide wheels 209 are rotatably arranged between the two connecting side plates 208, three adjusting motors 206 are fixedly arranged on the inner wall of the fixed cylinder 200, the three adjusting motors 206 are in one-to-one correspondence with the three ball screws 203, the output shaft of the adjusting motor 206 is connected with the ball screw 203. Through set up three adjustable guide wheel 209 of group and three arc retaining box 201 in fixed section of thick bamboo 200, not only can satisfy the guide to the tubular product embryo of different diameters, can carry out even cooling to tubular product embryo surface simultaneously and handle.
The top of the outer wall of the processing chamber 100 is fixedly provided with a water storage tank 213, the outer walls of two sides of the water storage tank 213 are both fixedly provided with second pumps 215, the top of the inner wall of the processing chamber 100 is provided with a first pump 212, the water pumping ends of the first pump 212 and the second pump 215 are both communicated with the water storage tank 213, the water outlet end of the first pump 212 is provided with a first water inlet pipe 211, the water outlet end of the second pump 215 is provided with a second water inlet pipe 214, and the first water inlet pipe 211 and the two second water inlet pipes 214 are respectively communicated with the three arc-shaped water storage boxes 201; two link 300 are installed at processing chamber 100 inner wall top, rotate on two link 300 and install rotatory section of thick bamboo 301, three adjusting cylinder 305 is installed to radian such as rotatory section of thick bamboo 301 inner wall, connecting plate 306 is installed to adjusting cylinder 305 piston rod end portion, connecting plate 306 rotates through the roller seat and installs water wiping roller 307, fixed mounting has fixing base 308 on the connecting plate 306, fixed mounting has spacing cylinder 309 on fixing base 308, spacing cylinder 309 piston rod end portion connects pressing plate 310, pressing plate 310 sets up in water wiping roller 307 one side. Through the cooperation setting of fixing base 308, spacing cylinder 309 and pressing plate 310, can extrude the cooling water that absorbs in the roller 307 that wipes after processing, the water that extrudes flows to in the water receiving tank 216 through rotary cylinder 301 both sides, makes things convenient for the used repeatedly of roller 307 that wipes.
The outer wall of the rotating cylinder 301 is fixedly provided with a gear sleeve 302, the top of the inner wall of the processing chamber 100 is fixedly provided with a fixed motor 303, the output shaft of the fixed motor 303 is connected with a gear 304, the gear sleeve 302 is meshed with the gear 304, and the rotation of the rotating cylinder 301 can be met through the matching arrangement of the gear sleeve 302 and the gear 304, so that the water wiping roller 307 in the rotating cylinder 301 can efficiently wipe cooling water on the surface of a pipe blank.
A water receiving tank 216 is fixedly arranged at the bottom of the inner wall of the processing chamber 100, a flow guide plate 217 is fixedly arranged in the water receiving tank 216, a water return tank 220 is fixedly arranged at the top of the outer wall of the processing chamber 100, a third pump 219 and a fourth pump 221 are fixedly arranged on the outer side wall of the water return tank 220, the water outlet end of the third pump 219 and the water pumping end of the fourth pump 221 are both communicated with the water return tank 220, a connecting pipe 218 is arranged at the water pumping end of the third pump 219, one end of the connecting pipe 218, far away from the third pump 219, is communicated with the side wall of the water receiving tank 216, a return pipe 222 is arranged at the water outlet end of the fourth pump 221, one end of the return pipe 222, far away from the fourth pump 221, is communicated with the side wall of the water storage tank 213, and through the arrangement of the water receiving tank 216 and the flow guide plate 217, can collect the cooling water that flows out in a fixed cylinder 200 and a rotatory section of thick bamboo 301 to carry out the cooling water backward flow through corresponding backflow structure, form the circulation of cooling water, avoid the extravagant condition of cooling water appearance in tubular product cooling process.
The adjusting motor 206, the adjusting cylinder 305 and the limiting cylinder 309 are all installed in the waterproof sleeve, and water is prevented from entering the adjusting motor 206, the adjusting cylinder 305 and the limiting cylinder 309 in the cooling process.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Claims (6)
1. A production process of a glass fiber reinforced polyethylene water supply pipe is characterized by comprising the following steps:
the method comprises the following steps: adding 85-100 parts by weight of polyethylene and 20-28 parts by weight of ultramicro glass fiber cotton into the premix for banburying to prepare a mixture;
step two: adding the mixture into a single-screw extruder, extruding a pipe blank by the single-screw extruder, feeding the pipe blank into a processing chamber (100) of cooling equipment through a sizing sleeve, enabling the pipe blank to firstly pass through a fixed cylinder (200), enabling a guide wheel (209) to be in contact with the outer wall of the pipe blank, spraying cooling water in an arc water storage box (201) onto the surface of the pipe blank through a spraying head (202) to cool the pipe blank, enabling the cooling water in the spraying process to flow into a water receiving tank (216) through two sides of the fixed cylinder (200), enabling a third pump (219) to pump the cooling water in the water receiving tank (216) through a connecting pipe (218) and conveying the cooling water into a water return tank (220), enabling a fourth pump (221) to pump the cooling water in the water return tank (220) and return the cooling water into a water storage tank (213) through a return pipe (222), enabling the pipe blank to pass through the rotary cylinder (301), and enabling the rotary cylinder (301) to rotate, the water wiping roller (307) is in contact with the outer wall of the pipe blank, water on the outer wall of the pipe blank is wiped by the water wiping roller (307), and then the pipe blank penetrates out of the processing chamber (100) and is processed by a tractor, a cutting machine and a plate turnover machine in sequence to prepare the glass fiber reinforced polyethylene water supply pipe.
2. The process of claim 1, wherein the cooling apparatus is operated as follows: the pipe blank enters a processing chamber (100) of cooling equipment through a sizing sleeve, the pipe blank firstly passes through a fixed cylinder (200), a guide wheel (209) is in contact with the outer wall of the pipe blank, and a first pump (212) and two second pumps (215) pump cooling water in a water storage tank (213).
3. The production process of the glass fiber reinforced polyethylene water supply pipe as claimed in claim 2, wherein the cooling water is delivered into the three arc-shaped water storage boxes (201) through the first water inlet pipe (211) and the two second water inlet pipes (214), the cooling water in the arc-shaped water storage boxes (201) is sprayed on the surface of the pipe-shaped blank through the spraying heads (202) to cool the pipe-shaped blank, and the cooling water in the spraying process flows into the water receiving tank (216) through the two sides of the fixed cylinder (200).
4. The production process of a glass fiber reinforced polyethylene water supply pipe as claimed in claim 3, wherein the cooling water in the water receiving tank (216) is guided to one side of the water receiving tank (216) by a guide plate (217), and the third pump (219) pumps the cooling water in the water receiving tank (216) through a connecting pipe (218) and delivers the cooling water to the water return tank (220).
5. The production process of the glass fiber reinforced polyethylene water supply pipe according to claim 4, wherein the fourth pump (221) pumps cooling water in the water return tank (220) and returns the cooling water to the water storage tank (213) through the return pipe (222), then the pipe parison passes through the rotary drum (301), the rotary drum (301) rotates, the water wiping roller (307) is in contact with the outer wall of the pipe parison, and the water wiping roller (307) wipes water on the outer wall of the pipe parison.
6. The process for producing the glass fiber reinforced polyethylene water supply pipe as claimed in claim 1, wherein the banburying temperature of the banbury mixer is 150-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302135.XA CN114131876A (en) | 2021-11-04 | 2021-11-04 | Production process of glass fiber reinforced polyethylene water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302135.XA CN114131876A (en) | 2021-11-04 | 2021-11-04 | Production process of glass fiber reinforced polyethylene water supply pipe |
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| Publication Number | Publication Date |
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| CN114131876A true CN114131876A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111302135.XA Pending CN114131876A (en) | 2021-11-04 | 2021-11-04 | Production process of glass fiber reinforced polyethylene water supply pipe |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101614501B1 (en) * | 2016-02-05 | 2016-04-21 | 과연씨앤비(주) | Cooling system for extruders |
| CN205364497U (en) * | 2015-11-27 | 2016-07-06 | 神塑科技有限公司 | PVC tubular product cooling shaping device |
| CN112648445A (en) * | 2020-12-21 | 2021-04-13 | 安徽杰蓝特新材料有限公司 | Reinforced wear-resistant PE water supply pipe and preparation method thereof |
| CN112659653A (en) * | 2020-12-21 | 2021-04-16 | 安徽杰蓝特新材料有限公司 | High-gloss PE water supply pipe and preparation method thereof |
| CN113500764A (en) * | 2021-09-09 | 2021-10-15 | 徐州盛丰电子科技有限公司 | Cooling device after extrusion molding of wire and cable insulating sheath |
-
2021
- 2021-11-04 CN CN202111302135.XA patent/CN114131876A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205364497U (en) * | 2015-11-27 | 2016-07-06 | 神塑科技有限公司 | PVC tubular product cooling shaping device |
| KR101614501B1 (en) * | 2016-02-05 | 2016-04-21 | 과연씨앤비(주) | Cooling system for extruders |
| CN112648445A (en) * | 2020-12-21 | 2021-04-13 | 安徽杰蓝特新材料有限公司 | Reinforced wear-resistant PE water supply pipe and preparation method thereof |
| CN112659653A (en) * | 2020-12-21 | 2021-04-16 | 安徽杰蓝特新材料有限公司 | High-gloss PE water supply pipe and preparation method thereof |
| CN113500764A (en) * | 2021-09-09 | 2021-10-15 | 徐州盛丰电子科技有限公司 | Cooling device after extrusion molding of wire and cable insulating sheath |
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