CN114851578A - Manufacturing method of corrosion-resistant PE pipe - Google Patents

Manufacturing method of corrosion-resistant PE pipe Download PDF

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Publication number
CN114851578A
CN114851578A CN202210491410.5A CN202210491410A CN114851578A CN 114851578 A CN114851578 A CN 114851578A CN 202210491410 A CN202210491410 A CN 202210491410A CN 114851578 A CN114851578 A CN 114851578A
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China
Prior art keywords
pipe
hot
corrosion
resistant
manufacturing
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Pending
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CN202210491410.5A
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Chinese (zh)
Inventor
吴金旺
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN202210491410.5A priority Critical patent/CN114851578A/en
Publication of CN114851578A publication Critical patent/CN114851578A/en
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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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7855—Provisory fixing
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to the field of pipeline manufacturing, in particular to a method for manufacturing a corrosion-resistant PE pipe. The method comprises the following steps: s1: clamping the corrosion-resistant PE tube on a manufacturing device; s2: hot-pressing one side of the PE pipe by using a manufacturing device so as to melt one side of the PE pipe; s3: kneading the hot-pressing part during hot-pressing the PE pipe to enlarge the area of the hot-pressing part of the PE pipe; s4: manually pasting a circular plate made of PE material on the hot-pressing position of the PE pipe, sealing one side of the PE pipe, and manufacturing the corrosion-resistant PE pipe with the sealed one side. The single side of the PE pipe can be sealed to prepare the corrosion-resistant PE pipe with the single side sealed.

Description

Manufacturing method of corrosion-resistant PE pipe
Technical Field
The invention relates to the field of pipeline manufacturing, in particular to a method for manufacturing a corrosion-resistant PE pipe.
Background
The PE pipe is a polyethylene pipe, and the PE pipe has wide application fields. The water pipe and the gas pipe are two largest application markets. The PE resin is polymerized from monomer ethylene, and can obtain resins of different densities due to different polymerization conditions such as pressure and temperature during polymerization, and is classified into high density polyethylene, medium density polyethylene and low density polyethylene. Sometimes, one side of the PE pipe needs to be sealed, and then the corrosion-resistant PE pipe with one side sealed is processed, but the traditional manufacturing equipment is not easy to process the corrosion-resistant PE pipe with one side sealed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the manufacturing method of the corrosion-resistant PE pipe, which has the beneficial effect that the single side of the PE pipe can be sealed to manufacture the corrosion-resistant PE pipe with the single side sealed.
A method of manufacturing a corrosion-resistant PE tube, the method comprising the steps of:
s1: clamping the corrosion-resistant PE tube on a manufacturing device;
s2: hot-pressing one side of the PE pipe by using a manufacturing device so as to melt one side of the PE pipe;
s3: kneading the hot-pressing part during hot-pressing the PE pipe to enlarge the area of the hot-pressing part of the PE pipe;
s4: manually pasting a circular plate made of PE material on the hot-pressing position of the PE pipe, sealing one side of the PE pipe, and manufacturing the corrosion-resistant PE pipe with the sealed one side.
In S4, after the circular plate is attached to the hot-pressed portion of the PE tube, the circular plate is hot-pressed so that the circular plate and the PE tube are sufficiently bonded.
The temperature at the time of hot pressing in S2 was 235 ℃.
The temperature at which the circular plate is hot pressed is 150 ℃.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a flow chart of a method of manufacturing a corrosion-resistant PE pipe;
FIG. 2 is a first schematic structural diagram of a manufacturing apparatus;
FIG. 3 is a second schematic structural view of a manufacturing apparatus;
FIG. 4 is a third schematic structural view of a manufacturing apparatus;
FIG. 5 is a first schematic diagram of a part of the manufacturing apparatus;
FIG. 6 is a second schematic view of a part of the manufacturing apparatus;
FIG. 7 is a schematic structural view of a base plate;
FIG. 8 is a schematic view of the structure of the base plate and the support rod;
FIG. 9 is a first schematic structural view of a hot plate;
FIG. 10 is a second schematic structural view of the hot plate;
FIG. 11 is a schematic diagram of a hot plate configuration III;
FIG. 12 is a schematic structural view of a circular plate;
FIG. 13 is a first schematic structural diagram of an outer ring and a rectangular frame;
FIG. 14 is a second schematic structural diagram of an outer ring and a rectangular frame.
In the figure: a base plate 101; a track 102; a hydraulic cylinder I103; an H-shaped frame 104; a hydraulic cylinder II 105; a push post 106; a V-shaped plate 107;
a supporting rod 201; a stopper 202; a square column 203; a hydraulic cylinder III 204;
a hot plate 301; a cross recess 302; a blocking edge 303; a cross-piece 304; a threaded post 305; a boss 306; a heating wire 307;
a circular plate 401; a stationary shaft 402; a stop collar 403;
an outer ring 501; an elastic band 502; an inner barrel 503; a stopper 504; a guide post 505; a translation post 506;
a rectangular frame 601; a rubber block 602; a rotating block 603; a reduction motor 604; a support 605; a bar hole 606;
the PE pipe 701.
Detailed Description
A method of manufacturing a corrosion-resistant PE tube, the method comprising the steps of:
s1: clamping the corrosion-resistant PE tube on a manufacturing device;
s2: hot-pressing one side of the PE pipe by using a manufacturing device to melt one side of the PE pipe;
s3: kneading the hot-pressing part during hot-pressing the PE pipe to enlarge the area of the hot-pressing part of the PE pipe;
s4: manually pasting a circular plate made of PE material on the hot-pressing position of the PE pipe, sealing one side of the PE pipe, and manufacturing the corrosion-resistant PE pipe with the sealed one side.
In S4, after the circular plate is attached to the hot-pressed portion of the PE tube, the circular plate is hot-pressed so that the circular plate and the PE tube are sufficiently bonded.
The temperature at the time of hot pressing in S2 was 235 ℃.
The temperature at which the circular plate is hot pressed is 150 ℃.
As shown in fig. 9 to 10, this example can achieve the effect that the hot plate 301 is pressed against one side of the corrosion-resistant PE pipe.
Because the manufacturing device comprises a hot plate 301, a shielding edge 303 and heating wires 307, the right side of the hot plate 301 is connected with the heating wires 307 through screws, the shielding edge 303 is integrally formed at the edge of the left side of the hot plate 301, so that the heating wires 307 can be electrified to heat the hot plate 301, then the hot plate 301 is pressed on one side of the corrosion-resistant PE tube, then the hot plate 301 is continuously translated relative to one side of the PE tube, and then the melted PE tube is kneaded after one side of the PE tube is melted, the area of the hot pressing part of the PE tube is enlarged, then a circular plate made of PE material is attached to the melted position on the PE tube, and then one side of the PE tube is sealed, so that the corrosion-resistant PE tube with a sealed one side is manufactured; the edge shield 303 may provide a stop between the platen 301 and the PE tube to prevent the platen 301 from translating an excessive distance relative to the PE tube.
As shown in fig. 9 to 11, this example can achieve the effect of preventing the PE material remaining on the hot plate 301 from being easily cleaned.
Because the manufacturing device also comprises a cross groove 302 and a cross piece 304, the cross groove 302 is arranged on the left side of the hot plate 301, the cross piece 304 is inserted in the cross groove 302, the left side of the cross piece 304 and the left side of the hot plate 301 are positioned on the same plane, after the hot pressing of the PE pipe by the hot plate 301 is finished, residual PE material is adhered on the hot plate 301, and at the moment, the cross piece 304 is taken down from the hot plate 301 so as to be convenient for taking down the residual PE material, and the PE material remained on the hot plate 301 is prevented from being difficult to clean.
This example may achieve the effect of securing cross 304 within cross slot 302 on hot plate 301, as shown in figures 9-10.
Because manufacturing installation still includes screw thread post 305 and convex base 306, convex base 306 has all been welded at hot plate 301's upper and lower both ends, screw thread post 305 has all been welded at the upper and lower both ends on cross 304 right side, two screw thread posts 305 are inserted respectively on two convex bases 306, the equal threaded connection of right-hand member of two screw thread posts 305 has the nut, and then insert on convex base 306 through screw thread post 305 and can fix cross 304 in cross 302 on hot plate 301, it can to take off the nut on two screw thread posts 305 when needing to pull down cross 304.
As shown in fig. 12, this example can achieve the effect of facilitating control of the hot plate 301 for translational kneading on one side of the PE tube.
Because the manufacturing device further comprises a circular plate 401 and a fixed shaft 402, the fixed shaft 402 is welded at the center of the right side of the hot plate 301, the right end of the fixed shaft 402 is welded at the center of the circular plate 401, and the hot plate 301 is controlled to perform translational kneading on one side of the PE pipe conveniently through the circular plate 401 and the fixed shaft 402.
As shown in fig. 13-14, this example may achieve the effect of kneading the hot spot of the PE tube by translating the hot plate 301 in a vertical plane.
Because the manufacturing device also comprises an outer ring 501, elastic bands 502 and an inner barrel 503, a plurality of elastic bands 502 are annularly adhered to the outer periphery of the inner barrel 503, the outer ends of the elastic bands 502 are adhered to the inner periphery of the outer ring 501, the fixing shaft 402 is inserted into the inner barrel 503 in a clearance fit manner, the inner barrel 503, the outer ring 501 and the fixing shaft 402 are coaxially arranged, when one side of the PE pipe needs to be kneaded, the position of the outer ring 501 needs to be fixed, then the inner barrel 503 can translate on a vertical plane relative to the outer ring 501 through the elastic bands 502, the elastic bands 502 can help the inner barrel 503 to return to the position coaxially arranged with the outer ring 501, further the fixing shaft 402 on the inner barrel 503 translates on the vertical plane, further the hot plate 301 translates on the vertical plane to knead the hot-pressing position of the PE pipe, the area of the hot-pressing position of the PE pipe is enlarged, further, the circular plate made of PE material is more firmly adhered to one side of the PE pipe, and the connection between the circular plate made of the PE material and the PE pipe is completed, and then the corrosion-resistant PE pipe with a single-side seal is manufactured.
As shown in fig. 12, this example can achieve the effect of preventing the inner cylinder 503 from moving left and right with respect to the fixed shaft 402.
Because the manufacturing device also comprises the two limit rings 403, the two limit rings 403 are welded on the fixed shaft 402, the two limit rings 403 are respectively positioned at the left side and the right side of the inner cylinder 503, and the inner cylinder 503 can be prevented from moving left and right relative to the fixed shaft 402 by the two limit rings 403.
The manufacturing device further comprises a translation column 506, a rectangular frame 601, a rubber block 602, a rotating block 603, a speed reducing motor 604, a support 605 and strip holes 606, the translation column 506 is welded on the lower side of the outer ring 501, the support 605 is welded on the right side of the translation column 506, the rectangular frame 601 is welded on the support 605, the strip holes 606 are formed in the upper side and the lower side of the rectangular frame 601, the upper end and the lower end of the circular plate 401 are inserted into the two strip holes 606 in a clearance fit mode respectively, the speed reducing motor 604 is fixed at the right end of the support 605 through screws, the rotating block 603 is welded on an output shaft of the speed reducing motor 604, the rubber block 602 is adhered to the outer end of the left side of the rotating block 603, and the left side of the rubber block 602 is in friction transmission with the right side of the circular plate 401.
As shown in fig. 13-14, this example can achieve the effect of enlarging the area where the PE pipe is hot-pressed.
The speed reducing motor 604 can drive the rotating block 603 and the rubber block 602 to rotate by taking the axis of the output shaft of the speed reducing motor 604 as an axis, and then the rubber block 602 drives the circular plate 401 to move in a circular track through friction force, two strip holes 606 on the rectangular frame 601 limit the sliding of the circular plate 401, so that the circular plate 401 can only translate on a vertical surface, and further the fixed shaft 402 and the hot plate 301 can only translate on the vertical surface, the fixed shaft 402 and the hot plate 301 move along the circular track of the circular plate 401, and further the hot pressing is performed on one side of the PE pipe through the hot plate 301, and the hot plate 301 constantly translates relative to one side of the PE pipe, so that the hot pressing part is kneaded during hot pressing of the PE pipe, and the area of the hot pressing part of the PE pipe is enlarged.
The manufacturing device further comprises a bottom plate 101, a rail 102, a hydraulic cylinder I103, a stopper 504 and a guide post 505, the right part of the bottom plate 101 is welded with the rail 102 in the left-right direction, the lower end of a translation post 506 slides on the rail 102, the guide post 505 is inserted on the translation post 506 in a clearance fit mode, the right end of the guide post 505 is fixedly connected with the stopper 504, a compression spring is sleeved on the guide post 505 and located between the stopper 504 and the translation post 506, the left end of the hydraulic cylinder I103 is connected to the bottom plate 101 through a screw, and the right end of the hydraulic cylinder I103 is connected to the left end of the guide post 505 through a flange.
As shown in fig. 7 to 8, this example can achieve the effect of causing hot plate 301 to press against one side of the PE tube by the elastic force given by the compression spring.
The hydraulic cylinder I103 can drive the guide post 505 and the stopper 504 to move leftwards when being shortened, the stopper 504 presses the compression spring when moving leftwards, the translation column 506, the support 605, the rectangular frame 601, the circular plate 401, the fixed shaft 402 and the hot plate 301 are pressed leftwards through the elastic force of the compression spring, the elastic force of the compression spring is transmitted to the hot plate 301, the hot plate 301 is pressed on one side of the PE pipe through the elastic force given by the compression spring, then the hot plate 301 is driven to be hot-pressed and translated relative to one side of the PE pipe, and the area of the hot-pressed part of the PE pipe can be enlarged.
The manufacturing device further comprises an H-shaped frame 104, hydraulic cylinders II105, push pillars 106 and V-shaped plates 107, the H-shaped frame 104 is welded at the left portion of the bottom plate 101, the two V-shaped plates 107 are oppositely arranged in the front and back direction, the push pillars 106 are welded on the outer sides of the two V-shaped plates 107, the two push pillars 106 are respectively inserted at the front end and the back end of the H-shaped frame 104 in a clearance fit mode, the two hydraulic cylinders II105 are respectively connected at the front end and the back end of the H-shaped frame 104 through flanges, and the outer ends of the two hydraulic cylinders II105 are respectively connected at the outer ends of the two push pillars 106 through flanges.
As shown in fig. 7 to 8, this example can achieve the effect of clamping the corrosion-resistant PE pipe body 701 on the manufacturing apparatus.
When the two hydraulic cylinders II105 are shortened, the two pushing columns 106 can be driven to slide on the H-shaped frame 104 to be close to each other, so that the two V-shaped plates 107 are driven to be close to each other, the PE pipe body 701 can be clamped between the two V-shaped plates 107 when the two V-shaped plates 107 are close to each other, and at this time, the corrosion-resistant PE pipe body 701 can be clamped on the manufacturing device, so that the PE pipe body 701 can be conveniently processed on the next step.
The manufacturing device further comprises a supporting rod 201, a stop block 202, a square column 203 and a hydraulic cylinder III204, the square column 203 is inserted in the middle of the H-shaped frame 104 in a vertical clearance fit mode, one end of the hydraulic cylinder III204 is connected to the H-shaped frame 104 through a flange, the other end of the hydraulic cylinder III204 is connected to the lower end of the square column 203 through a flange, the supporting rod 201 is welded to the upper end of the square column 203, the stop block 202 is inserted in the left portion of the supporting rod 201 in a clearance fit mode, a fastening screw is connected to the stop block 202 through a thread, and the fastening screw is pressed on the supporting rod 201 and then fixed between the stop block 202 and the supporting rod 201.
As shown in fig. 8, this example can achieve the effect of preventing the pipe body 701 of the hot plate 301PE from moving relative to the two V-shaped plates 107.
Pneumatic cylinder III204 can drive square column 203 and die-pin 201 rebound when shortening, make die-pin 201 bearing at the downside of PE body 701, support the downside of PE body 701, then the left side of the PE body 701 between manual drive dog 202 and two V-arrangement boards 107 contacts, then use fastening screw to press on die-pin 201 and then with fixed between dog 202 and the die-pin 201, at this moment can carry out spacingly through the left side of dog 202 to PE body 701, PE body 701 moves two V-arrangement boards 107 relatively when preventing that hot plate 301 from pressing to the right side of PE body 701.

Claims (10)

1. A method for manufacturing a corrosion-resistant PE tube, comprising the steps of:
s1: clamping the corrosion-resistant PE tube on a manufacturing device;
s2: hot-pressing one side of the PE pipe by using a manufacturing device so as to melt one side of the PE pipe;
s3: kneading the hot-pressing part during hot-pressing the PE pipe to enlarge the area of the hot-pressing part of the PE pipe;
s4: manually pasting a circular plate made of PE material on the hot-pressing position of the PE pipe, sealing one side of the PE pipe, and manufacturing the corrosion-resistant PE pipe with the sealed one side.
2. The corrosion-resistant PE pipe manufacturing method according to claim 1, characterized in that: in S4, after the circular plate is attached to the hot-pressed portion of the PE tube, the circular plate is hot-pressed so that the circular plate and the PE tube are sufficiently bonded.
3. The corrosion-resistant PE pipe manufacturing method according to claim 1, characterized in that: the temperature at the time of hot pressing in S2 was 235 ℃.
4. The corrosion-resistant PE pipe manufacturing method according to claim 2, characterized in that: the temperature at which the circular plate is hot pressed is 150 ℃.
5. The corrosion-resistant PE pipe manufacturing method according to claim 1, characterized in that: the manufacturing device comprises a hot plate (301), a blocking edge (303) and an electric heating wire (307), wherein the electric heating wire (307) is connected to the right side of the hot plate (301), and the blocking edge (303) is integrally formed at the edge of the left side of the hot plate (301).
6. The corrosion-resistant PE pipe manufacturing method according to claim 5, characterized in that: the manufacturing device further comprises a cross groove (302) and a cross piece (304), the cross groove (302) is formed in the left side of the hot plate (301), the cross piece (304) is inserted into the cross groove (302), and the left side face of the cross piece (304) is flush with the left side face of the hot plate (301).
7. The corrosion-resistant PE pipe manufacturing method according to claim 6, characterized in that: the manufacturing device further comprises a threaded column (305) and a convex seat (306), the convex seat (306) is fixedly connected to the upper end and the lower end of the hot plate (301), the threaded column (305) is fixedly connected to the upper end and the lower end of the right side of the cross piece (304), the two threaded columns (305) are respectively inserted into the two convex seats (306), and nuts are connected to the right ends of the two threaded columns (305) in a threaded connection mode.
8. The corrosion-resistant PE pipe manufacturing method according to claim 5, characterized in that: the manufacturing device further comprises a circular plate (401) and a fixed shaft (402), the fixed shaft (402) is fixedly connected to the center of the right side of the hot plate (301), and the right end of the fixed shaft (402) is fixedly connected to the center of the circular plate (401).
9. The corrosion-resistant PE pipe manufacturing method according to claim 8, characterized in that: the manufacturing device further comprises an outer ring (501), elastic bands (502) and an inner tube (503), wherein the plurality of elastic bands (502) are annularly adhered to the outer periphery of the inner tube (503), the outer ends of the plurality of elastic bands (502) are adhered to the inner periphery of the outer ring (501), the fixing shaft (402) is inserted into the inner tube (503) in a clearance fit mode, and the fixing shaft (402), the outer ring (501) and the inner tube (503) are coaxially arranged.
10. The corrosion-resistant PE pipe manufacturing method according to claim 9, characterized in that: the manufacturing device further comprises a limiting ring (403), the fixed shaft (402) is fixedly connected with two limiting rings (403), and the two limiting rings (403) are respectively positioned on the left side and the right side of the inner cylinder (503).
CN202210491410.5A 2022-05-07 2022-05-07 Manufacturing method of corrosion-resistant PE pipe Pending CN114851578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210491410.5A CN114851578A (en) 2022-05-07 2022-05-07 Manufacturing method of corrosion-resistant PE pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210491410.5A CN114851578A (en) 2022-05-07 2022-05-07 Manufacturing method of corrosion-resistant PE pipe

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Publication Number Publication Date
CN114851578A true CN114851578A (en) 2022-08-05

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CN202210491410.5A Pending CN114851578A (en) 2022-05-07 2022-05-07 Manufacturing method of corrosion-resistant PE pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115301527A (en) * 2022-08-15 2022-11-08 刘朔 Manufacturing process of corrosion-resistant PE (polyethylene) pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115301527A (en) * 2022-08-15 2022-11-08 刘朔 Manufacturing process of corrosion-resistant PE (polyethylene) pipe

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