CN115416380A - Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof - Google Patents

Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof Download PDF

Info

Publication number
CN115416380A
CN115416380A CN202210826062.2A CN202210826062A CN115416380A CN 115416380 A CN115416380 A CN 115416380A CN 202210826062 A CN202210826062 A CN 202210826062A CN 115416380 A CN115416380 A CN 115416380A
Authority
CN
China
Prior art keywords
plastic
layer
continuous fiber
inner layer
fiber prepreg
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.)
Withdrawn
Application number
CN202210826062.2A
Other languages
Chinese (zh)
Inventor
谭燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210826062.2A priority Critical patent/CN115416380A/en
Publication of CN115416380A publication Critical patent/CN115416380A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/08—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically
    • B29C63/10—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
    • B29C63/105—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles continuously
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/78—Moulding material on one side only of the preformed part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B29L2009/00—Layered products
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes

Abstract

The invention belongs to the field of plastic or pipe products produced by using plastic substances, and particularly relates to a continuous fiber prepreg tape composite thick-wall pipe, and a manufacturing process and manufacturing equipment thereof. The continuous fiber prepreg tape composite thick-wall pipe comprises a plastic inner layer, a continuous fiber prepreg tape core layer and a plastic outer layer which are sequentially sleeved from inside to outside, wherein the thickness of the pipe wall of the plastic inner layer is 8-40 mm, the thickness of the pipe wall of the plastic outer layer is 6-40 mm, and the thickness of the plastic inner layer is set to be 8-40 mm, so that the problems that the existing plastic inner layer is too thin, the processing technology of heating, winding, melting and pasting the continuous fiber prepreg tape core layer cannot be met, and the problem that the pipe end interface welding cannot be met can be effectively solved; the thickness of the plastic outer layer is set to be 6-40 mm, so that the problems that the existing plastic outer layer is too thin and cannot meet the requirement of the uneven process of the appearance of a processed and formed pipeline and the problem of fusion welding and leakage of a pipe end sleeve interface can not be solved.

Description

Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof
Technical Field
The invention belongs to the field of plastic or pipe products produced by using plastic substances, and particularly relates to a continuous fiber prepreg tape composite thick-wall pipe, and a manufacturing process and manufacturing equipment thereof.
Background
The production process of the continuous fiber prepreg tape composite pipe comprises the following production processes of firstly cold winding of a prepreg tape on the outer wall of an inner-layer plastic pipe, then heating, winding of the prepreg tape, heating and simultaneous fusion bonding, and the like, wherein no matter which production process is adopted, the inner-layer plastic pipe needs to be heated to be in a molten state, so that the wound heating prepreg tape can be effectively fused into a whole, the probability of product qualification rate of the plastic inner layer with the thickness of less than or equal to 6mm is counted by production practices, the product qualification rate of the plastic inner layer with the thickness of 8 mm-30 mm is counted by the people, and meanwhile, the pipeline outer layer needs to be of a certain thickness to ensure that the appearance of the produced pipeline is smooth and meets the quality requirements. In production practice, the percent of pass of products with the probability of less than or equal to 4mm on the outer plastic layer is counted by 30 percent, and the percent of pass of products with the probability of 6mm to 30mm on the outer plastic layer is counted by more than 98 percent; in the pipe end interface process, the problem of connection leakage often occurs when the wall thickness of the inner layer and the outer layer of the plastic is too thin, according to engineering practical experience, the wall thickness of the inner layer of the plastic is less than or equal to 6mm, the wall thickness of the outer layer of the plastic is less than or equal to 5mm, the water seepage rate of the connecting port is as high as 50%, and when the wall thickness of the outer layer of the inner layer of the plastic is greater than 6mm, the water seepage rate of the connecting port is less than 5%.
Chinese patent CN105987237A discloses a thermoplastic continuous fiber prepreg tape high-strength tube, a manufacturing method and manufacturing equipment thereof, which comprises an inner layer tube, a core layer and a surface layer tube which are sleeved from inside to outside in sequence, and is characterized in that: the inner layer pipe is made by melting and extruding thermoplastic plastics, and is single-layer or double-layer; the core layer is made of thermoplastic continuous fiber prepreg tapes, and the core tube at least comprises 1 layer; the surface layer pipe is made by melting and extruding thermoplastic plastics, and is in a solid pipe wall shape or a foaming shape; when the inner layer pipe is a single layer, the pipe wall thickness of the inner layer pipe is 2-6 mm, the material of the inner layer pipe is the same as that of the core layer, and the inner layer pipe is prepared by extrusion through a single screw extruder and cooling through a vacuum sizing box; when the inner layer pipe is double-layer, the inner layer of the inner layer pipe is made of special polyolefin wear-resistant pipeline material, the thickness of the inner layer is 2 mm-4 mm, the outer layer of the inner layer pipe is made of polyethylene or polypropylene, and the thickness of the outer layer is 2 mm-4 mm; the inner layer material of the inner layer pipe and the outer layer material of the inner layer pipe are respectively manufactured by co-extrusion through two single screw extruders and a composite co-extrusion die; the core layer adopts a side heating melt-bonding mode to enable thermoplastic continuous fiber prepreg tapes to be staggered to form staggered-layer stacking of interfaces, obliquely crossed with the inner-layer pipe and then integrally wound on the outer surface of the inner-layer pipe in a multi-layer manner to be melt-bonded; when the surface layer pipe is in a solid pipe wall shape, the pipe wall thickness of the surface layer pipe is 2 mm-4 mm, thermoplastic plastics are fused and compounded on line with plastic materials with an isomorphous structure in the thermoplastic continuous fiber prepreg tape of the core layer, and then the plastic materials are directly fused and pasted on the outer surface of the core layer to form the solid pipe wall-shaped surface layer pipe; when the surface layer pipe is foamed, the wall thickness of the surface layer pipe is 10-40 mm, the thermoplastic plastic is coated with the fused foaming material with the isomorphous structure in the thermoplastic continuous fiber prepreg tape of the core layer on line, and then the fused foaming material is directly fused and applied on the outer surface of the core layer to form the foamed surface layer pipe. The problem that the wall thickness of an inner layer pipe and a surface layer pipe is not enough exists in the patent, so that a large number of product quality problems and pipeline leakage problems exist in practical application.
Disclosure of Invention
In order to solve the technical problems, the invention provides a continuous fiber prepreg tape composite thick-wall pipe and a manufacturing process and manufacturing equipment thereof, which are achieved by the following specific technical means:
the continuous fiber prepreg tape composite thick-wall pipe comprises a plastic inner layer, a continuous fiber prepreg tape core layer and a plastic outer layer which are sequentially sleeved from inside to outside, wherein the pipe wall thickness of the plastic inner layer is 8-40 mm, the pipe wall thickness of the plastic outer layer is 6-40 mm, and the continuous fiber prepreg tape adopted by the continuous fiber prepreg tape core layer comprises a narrow tape with the width of 2-50 mm and a wide tape with the width of 51-500 mm.
Further, the system also comprises a pipe end interface, wherein the pipe end interface comprises the following three connection modes:
the first mode is as follows: the outer layer wall of the plastic outer layer is inserted with a plastic sleeve for hot melting connection;
and a second mode: the outer wall of the plastic inner layer is inserted with a plastic sleeve for hot melting connection;
and a third mode: the outer walls of the plastic inner layer and the plastic outer layer are respectively inserted with a plastic sleeve for hot melting connection.
The manufacturing process of the continuous fiber prepreg tape composite thick-wall pipe comprises the following four processes:
the first process comprises the following steps: firstly, cold winding a continuous fiber prepreg tape on the outer wall of the plastic inner layer to form a continuous fiber prepreg tape core layer, then heating the continuous fiber prepreg tape core layer and the plastic inner layer to form an integral pipe body, and then coating the plastic outer layer;
and a second process: firstly, producing a plastic inner layer, heating the plastic inner layer and the continuous fiber prepreg tape while welding the continuous fiber prepreg tape on the outer wall of the plastic inner layer to form an integral pipe body, and then coating the plastic outer layer;
and a third process: firstly, cold winding a narrow band of 5 mm-50 mm on the outer wall of the plastic inner layer, then coating hot melt adhesive to fix the narrow band to form an integral pipe body, and then coating the plastic outer layer;
the fourth process comprises the following steps: the outer wall of the plastic inner layer is firstly cold-wound with a narrow band of 5 mm-50 mm and then directly coated with the plastic outer layer.
The manufacturing equipment of the manufacturing process of the continuous fiber prepreg tape composite thick-wall pipe comprises the following components:
arranging a plastic inner layer extruder at the rear end of the production line;
arranging a plastic inner layer die connected to the front end at the front end of the plastic inner layer extruder;
arranging one or more plastic inner layer vacuum cooling boxes or a vacuum cooling box and a water tank at the front end of the plastic inner layer mold;
a first tractor for dragging the plastic inner-layer pipe is arranged at the front end of the vacuum cooling box;
arranging a blower at the front end or the rear end of a first tractor of the plastic inner-layer pipe;
a plurality of discs of continuous fiber prepreg tape winding discs are arranged at the front end of the blower;
arranging a plastic outer layer die with a side surface connected with an extruder at the front end of the continuous fiber prepreg tape winding disc;
arranging one or more cooling water tanks or a vacuum cooling tank and a water tank at the front end of the plastic outer layer mold;
a second tractor is arranged at the front end of the cooling water tank, and the traction speed of the second tractor is synchronous with that of the first tractor;
arranging a marking machine on the side surface of the front end of the second tractor;
arranging a cutting machine at the front end of the marking machine;
the front end of the cutting machine is provided with a material receiving platform.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the thickness of the plastic inner layer is set to be 8-40 mm, so that the problems that the thickness of the existing plastic inner layer is too thin, the processing technology of heating, winding, melting and pasting the continuous fiber prepreg tape core layer cannot be met, and the welding of pipe end interfaces cannot be met can be effectively solved; the thickness of the plastic outer layer is set to be 6-40 mm, so that the problems that the existing plastic outer layer is too thin, the appearance of a machined and formed pipeline cannot be uneven, and the welding leakage of a pipe end sleeve connector cannot be met can be effectively solved.
Drawings
FIG. 1 is a schematic view of the structure of a continuous fiber prepreg tape composite thick-wall pipe of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a plastic inner layer; 2. a continuous fiber prepreg tape core layer; 3. and (3) a plastic outer layer.
Detailed Description
Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example (b):
as shown in figure 1:
the invention provides a continuous fiber prepreg tape composite thick-wall pipe, which comprises a plastic inner layer 1, a continuous fiber prepreg tape core layer 2 and a plastic outer layer 3 which are sequentially sleeved from inside to outside, wherein the pipe wall thickness of the plastic inner layer 1 is 8-40 mm, the pipe wall thickness of the plastic outer layer is 6-40 mm, the continuous fiber prepreg tape adopted by the continuous fiber prepreg tape core layer 2 comprises a narrow belt with the width of 2-50 mm and a wide belt with the width of 51-500 mm, and the problem that the existing plastic inner layer is too thin, cannot meet the processing technology of heating, winding, fusing and pasting the continuous fiber prepreg tape core layer, and cannot meet the problem that the pipe end can not meet the interface fusion welding by setting the thickness of the plastic inner layer 1 to be 8-40 mm can be effectively solved; the thickness of the plastic outer layer 3 is set to be 6-40 mm, so that the problems that the existing plastic outer layer is too thin, the appearance of a machined and formed pipeline cannot be uneven, and the welding leakage of a pipe end sleeve connector cannot be met can be effectively solved.
The system further comprises an end interface, wherein the end interface comprises the following three connection modes:
in a first mode: the outer wall of the plastic outer layer 3 is inserted with a plastic sleeve for hot melting connection;
and a second mode: the outer wall of the plastic inner layer 1 is inserted with a plastic sleeve for hot melting connection;
and a third mode: the outer walls of the plastic inner layer 1 and the plastic outer layer 3 are respectively inserted with a plastic sleeve for hot melting connection.
The manufacturing process of the continuous fiber prepreg tape composite thick-wall pipe comprises the following four processes:
the first process comprises the following steps: firstly, cold winding a continuous fiber prepreg tape on the outer wall of the plastic inner layer 1 to form a continuous fiber prepreg tape core layer 2, then heating the continuous fiber prepreg tape core layer 2 and the plastic inner layer 1 to form an integral pipe body, and then coating a plastic outer layer 3;
and a second process: firstly, producing a plastic inner layer 1, heating the plastic inner layer 1 and a continuous fiber prepreg tape while welding the continuous fiber prepreg tape on the outer wall of the plastic inner layer 1 to form an integral pipe body, and then coating a plastic outer layer 3;
and a third process: firstly, cold winding a narrow band of 5 mm-50 mm on the outer wall of the plastic inner layer 1, then coating hot melt adhesive to fix the narrow band to form an integral pipe body, and then coating the plastic outer layer 3;
and a fourth process: the outer wall of the plastic inner layer 1 is firstly cold-wound with a narrow band of 5 mm-50 mm and then directly coated with the plastic outer layer 3.
The equipment for manufacturing the continuous fiber prepreg tape composite thick-wall pipe comprises the following components:
arranging a plastic inner layer extruder at the rear end of the production line;
arranging a plastic inner layer die connected with the front end at the front end of the plastic inner layer extruder;
arranging one or more plastic inner layer vacuum cooling boxes or a vacuum cooling box and a water tank at the front end of the plastic inner layer mold;
a first tractor for dragging the plastic inner-layer pipe is arranged at the front end of the vacuum cooling box;
arranging a blower at the front end or the rear end of a first tractor of the plastic inner-layer pipe;
a multi-disc continuous fiber prepreg tape winding disc is arranged at the front end of the blower;
arranging a plastic outer layer die with a side surface connected with an extruder at the front end of the continuous fiber prepreg tape winding disc;
arranging one or more cooling water tanks or a vacuum cooling tank and a water tank at the front end of the plastic outer layer mold;
a second tractor is arranged at the front end of the cooling water tank, and the traction speed of the second tractor is synchronous with that of the first tractor;
arranging a marking machine on the side face of the front end of the second tractor;
arranging a cutting machine at the front end of the marking machine;
the front end of the cutting machine is provided with a material receiving platform.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (4)

1. Continuous fibers preimpregnation area compound thick-walled pipe, include from interior to outer plastics inlayer (1), continuous fibers preimpregnation area sandwich layer (2) and the outer (3) of plastics that establish of overlapping in proper order, its characterized in that: the thickness of the pipe wall of the plastic inner layer (1) is 8-40 mm, the thickness of the pipe wall of the plastic outer layer is 6-40 mm, and the continuous fiber prepreg tape adopted by the continuous fiber prepreg tape core layer (2) comprises a narrow tape with the width of 2-50 mm and a wide tape with the width of 51-500 mm.
2. The continuous fiber prepreg tape composite thick wall pipe of claim 1, wherein: the pipe end interface comprises the following three connection modes:
in a first mode: the outer wall of the plastic outer layer (3) is inserted with a plastic sleeve for hot melting connection;
and a second mode: the outer wall of the plastic inner layer (1) is inserted with a plastic sleeve for hot melting connection;
and a third mode: the outer walls of the plastic inner layer (1) and the plastic outer layer (3) are respectively inserted with a plastic sleeve for hot melting connection.
3. A process for manufacturing a continuous fiber prepreg tape composite thick walled tube according to claim 1 or 2, wherein: the method comprises the following four processes:
the first process comprises the following steps: firstly, cold winding a continuous fiber prepreg tape on the outer wall of the plastic inner layer (1) to form a continuous fiber prepreg tape core layer (2), then heating the continuous fiber prepreg tape core layer (2) and the plastic inner layer (1) to form an integral pipe body, and then coating a plastic outer layer (3);
and a second process: firstly, producing a plastic inner layer (1), heating the plastic inner layer (1) and the continuous fiber prepreg tape while welding the continuous fiber prepreg tape on the outer wall of the plastic inner layer (1) to form an integral pipe body, and then coating a plastic outer layer (3);
and a third process: firstly, cold winding a narrow band of 5 mm-50 mm on the outer wall of the plastic inner layer (1), then coating hot melt adhesive to fix the narrow band to form an integral pipe body, and then coating the plastic outer layer (3);
and a fourth process: the outer wall of the plastic inner layer (1) is firstly cold-wound with a narrow band of 5 mm-50 mm and then directly coated with the plastic outer layer (3).
4. The apparatus for manufacturing a continuous fiber prepreg composite thick wall pipe of claim 3, wherein: the device comprises the following components:
arranging a plastic inner layer extruder at the rear end of the production line;
arranging a plastic inner layer die connected with the front end at the front end of the plastic inner layer extruder;
arranging one or more plastic inner layer vacuum cooling boxes or a vacuum cooling box and a water tank at the front end of the plastic inner layer mold;
a first tractor for dragging the plastic inner-layer pipe is arranged at the front end of the vacuum cooling box;
arranging a blower at the front end or the rear end of a first tractor of the plastic inner-layer pipe;
a plurality of discs of continuous fiber prepreg tape winding discs are arranged at the front end of the blower;
arranging a plastic outer layer die of which the side surface is connected with an extruder at the front end of the continuous fiber prepreg tape winding disc;
arranging one or more cooling water tanks or a vacuum cooling tank and a water tank at the front end of the plastic outer layer mold;
a second tractor is arranged at the front end of the cooling water tank, and the traction speed of the second tractor is synchronous with that of the first tractor;
arranging a marking machine on the side surface of the front end of the second tractor;
arranging a cutting machine at the front end of the marking machine;
the front end of the cutting machine is provided with a material receiving platform.
CN202210826062.2A 2022-07-14 2022-07-14 Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof Withdrawn CN115416380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210826062.2A CN115416380A (en) 2022-07-14 2022-07-14 Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210826062.2A CN115416380A (en) 2022-07-14 2022-07-14 Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof

Publications (1)

Publication Number Publication Date
CN115416380A true CN115416380A (en) 2022-12-02

Family

ID=84197217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210826062.2A Withdrawn CN115416380A (en) 2022-07-14 2022-07-14 Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof

Country Status (1)

Country Link
CN (1) CN115416380A (en)

Similar Documents

Publication Publication Date Title
US4808482A (en) Multi-layer plastics structures and apparatus and methods for their manufacture
JP2641930B2 (en) Multilayer extrusion forming method and apparatus
US4842791A (en) Extrusion apparatus and process for production of multilayer film containing an inner barrier layer
EP0110493A2 (en) Method for producing a multi-layered plastics container
US5516474A (en) Thermally distinct layer coextrusion
GB2156268A (en) Manufacturing thermoplastic tubular containers
JPS63247009A (en) Co-extrusion head
JPH0410419B2 (en)
CN115416380A (en) Continuous fiber prepreg tape composite thick-wall pipe and manufacturing process and manufacturing equipment thereof
CN109080228B (en) Extruded tube and method of making same
CN216230678U (en) Polyethylene composite pipe extrusion die
JP2570071B2 (en) Multilayer container with light-transmitting window, method for producing the same, and multilayer coextrusion apparatus
CN215359747U (en) Production module for hollow-wall winding pipe in double-square pipe
CN114013005A (en) Method for manufacturing HDPE trapezoidal reinforcing rib winding pipe
KR930008401B1 (en) Process for the manufacture of a tubular semimanufactured article of plastics for the manufacture of sacks
GB2156265A (en) Manufacturing thermoplastic tubular containers
US9574686B2 (en) Invisible seam laminated article and process of manufacture
JPH0531782A (en) Manufacture of fiber reinforced thermoplastic resin composite tube
JPH07256779A (en) Manufacture of fiber reinforced thermoplastic resin composite tube
JPH07290583A (en) Manufacture of fiber reinforced thermoplastic resin composite tube
JPH07232394A (en) Manufacture of fiber reinforced thermoplastic resin composite pipe
JPH03146328A (en) Manufacture of fiber-reinforced resin pipe
JPH0121785Y2 (en)
CN213382860U (en) Double-barrelled double-deck single colored strip of plastic tubing extrusion production facility
JPH03157591A (en) Composite tube and manufacture thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20221202

WW01 Invention patent application withdrawn after publication