CN211203257U - Hot melt butt joint wrapping structure of continuous glass fiber reinforced composite pipe - Google Patents
Hot melt butt joint wrapping structure of continuous glass fiber reinforced composite pipe Download PDFInfo
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- CN211203257U CN211203257U CN201922448405.2U CN201922448405U CN211203257U CN 211203257 U CN211203257 U CN 211203257U CN 201922448405 U CN201922448405 U CN 201922448405U CN 211203257 U CN211203257 U CN 211203257U
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Abstract
The utility model belongs to the technical field of the composite pipe connects, specific saying relates to a hot melt butt joint package of fine reinforcing composite pipe of continuous glass twines structure. It is including setting up the two-step interface in mouth of pipe butt joint department, wherein, two-step interface is including setting up at the outer package of compound pipe groove, the package face of the fine enhancement layer of continuous glass and setting up the hot melt section on compound pipe inlayer set up the winding layer of laying the constitution by the hot melt of the fine preimpregnation area of continuous glass on package groove and the package face winding layer's outside setting is by the coating that plastics constitute. The novel hot melt butt joint wrapping structure has the characteristics of high interface structure strength, strong sealing performance and simple connection operation.
Description
Technical Field
The utility model belongs to the technical field of the composite pipe connects, specific saying relates to a hot melt butt joint package of fine reinforcing composite pipe of continuous glass twines structure.
Background
The composite pipe is a pipeline with a central interlayer, the central interlayer has various choices according to different application scenes of the pipeline, wherein the continuous glass fiber reinforced thermoplastic pipeline is additionally provided with a reinforced core layer formed by winding a continuous glass fiber prepreg tape in the pipe wall, the structural strength of the composite pipe is increased, the flexible pipe bears a high-pressure transmission medium, and the whole pipeline system has the characteristics of high heat resistance, high pressure resistance, light weight, no corrosion, long service life, recyclability, designability and the like, and becomes the development direction of the future pipeline.
However, because the composite pipe has multiple pipe wall layers and a complex structure, the inner layer and the outer layer are made of plastic or rubber, the overall hardness is high, the diameter is relatively large, and the requirements on the sealing performance and the pressure resistance of the joint are high, so that the pipe orifice connecting interface becomes a difficult point for processing and manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interface structural strength is high, sealing performance is strong and connect simple operation's the compound hot melt butt joint package of the fine reinforcing composite pipe of continuous glass and twine the structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a hot melt butt joint package of compound pipe of fine reinforcing of continuous glass twines structure which characterized in that: including setting up the two-step interface in mouth of pipe department, wherein, the two-step interface is including setting up at the outer package of compound pipe and twining the face of the fine enhancement layer of continuous glass and setting up the hot melt section on compound pipe inlayer set up the winding layer of laying the constitution by the fine preimpregnation area hot melt of continuous glass on package groove and the package face winding layer's outside setting is by the coating that plastics constitute.
The additional technical characteristics of the hot melt butt joint wrapping structure forming the continuous glass fiber reinforced composite pipe further comprise:
the included angle between the wrapping groove and the axial direction of the composite pipe is 20-30 degrees, and the included angle between the wrapping layer and the axial direction of the composite pipe is 10-15 degrees.
The length of the wrapping surface of the continuous glass fiber reinforced layer is between 400 and 800mm, and the length of the hot melting section arranged on the inner layer of the composite pipe is between 2 and 2.5 mm.
And a reinforcing layer formed by winding a metal wire or a metal strip is arranged between the winding layer in the double-step interface and the coating layer.
The utility model provides a hot melt butt joint package of compound pipe of fine reinforcing of glass in succession twines structure compares with prior art, has following advantage: because this hot melt butt joint of compound pipe wraps the structure including setting up the two-step interface in nose department, the two-step interface is by setting up at the outer package of compound pipe and twines the groove, the package face of the fine enhancement layer of continuous glass constitutes and sets up the hot melt section at the compound intraductal layer, the joint mouth of pipe processing of compound pipe is simple, the processing operation is swift, the hot melt of being convenient for is connected, set up the winding layer that comprises the fine preimpregnation area of continuous glass on package groove and package face, the outside on winding layer sets up the coating that comprises plastics, winding and cladding bilayer structure have improved the joint strength of kneck, the bearing capacity is strong, sealed effect is outstanding, and to the articulate of the fine reinforcing compound pipe of continuous glass, the uniformity of whole pipe-line system has been guaranteed, the security performance strengthens greatly.
Drawings
Fig. 1 is a schematic diagram of the hot-melt butt-joint wrapping structure of the continuous glass fiber reinforced composite pipe of the present invention.
Detailed Description
The hot melt butt joint wrapping structure and the working principle of the continuous glass fiber reinforced composite pipe provided by the invention are further described in detail with reference to the accompanying drawings.
Referring to fig. 1, it is a schematic diagram of the hot melt butt-joint wrapping structure of the continuous glass fiber reinforced composite tube provided by the present invention. This novel hot melt butt joint package structure is including setting up the two-step interface in mouth of pipe department, and two-step interface is including setting up at the outer 1 package of composite pipe and twining groove 11, the fine enhancement layer 2 of continuous glass's package face 21 and setting up at the hot melt section 31 of composite pipe inlayer 3, sets up the winding layer 4 that constitutes by the fine preimpregnation area hot melt of continuous glass lays on package groove 11 and package face 21, sets up the coating 5 that comprises plastics in the outside of winding layer 4.
The working principle is as follows: the butt joint pipe orifice of the continuous glass fiber prepreg tape reinforced core layer high-pressure composite pipe is machined into a double-step structure and comprises a wrapping groove 11 arranged on the outer layer of the composite pipe, a wrapping surface 21 for stripping a continuous glass fiber reinforced layer at the exposed part of the outer layer of the composite pipe and a hot melting section 31 arranged on the inner layer 3 of the composite pipe, the hot melting section 31 of the inner layer pipe is in hot melting butt joint, the continuous glass fiber prepreg tape is wound on the surfaces of the wrapping surface 21 and the groove 11 in a cross mode after polishing, the glass fiber prepreg tape is melted and laid while winding and heating, and then an integrated connecting interface is manufactured on a plastic coating layer 5 on the surface of the glass fiber prepreg tape.
In the hot-melting butt-joint wrapping structure for forming the continuous glass fiber reinforced composite pipe,
as a preferred embodiment, the included angle a between the wrapping groove 11 and the axial direction of the composite pipe is 20 to 30 degrees, and the included angle b between the wrapping layer and the axial direction of the composite pipe is 10 to 15 degrees, which is not only convenient for machining, but also suitable for the cross winding of the continuous glass fiber prepreg tape to form a firm and tight reinforced framework, thereby ensuring the consistency of the continuous glass fibers in the composite pipe, and improving the connection strength and the sealing effect at the joint of the composite pipe.
Furthermore, the wrapping surface 21 of the continuous glass fiber reinforced layer 2 is 400-800 mm long, and the hot melting section 31 of the inner layer 3 of the composite tube is 2-2.5 mm long, so that the hot melting butt joint and fixation of the inner layer tube of the composite tube are guaranteed to be firm and stable, a sufficient space is provided for the hot-compress winding of the continuous glass fiber prepreg tape, and the structure is high in strength and tight in connection.
Preferably, a reinforcing layer 6 formed by winding a metal wire or a metal strip is arranged between the winding layer 4 and the coating layer 5 in the double-step interface, so that the connection strength of the composite pipe joint can be further enhanced, the running safety and stability of the composite pipe are improved, and the service life of the joint pipeline is prolonged.
Claims (4)
1. The utility model provides a hot melt butt joint package of compound pipe of fine reinforcing of continuous glass twines structure which characterized in that: including setting up the two-step interface in mouth of pipe butt joint department, wherein, two-step interface is including setting up at the outer package of compound pipe and twining the face of glass fine enhancement layer in succession and setting up the hot melt section on compound pipe inlayer set up the winding layer of laying the constitution by the hot melt of the glass fiber preimpregnation area in succession on package groove and the package face the outside on winding layer sets up the coating that constitutes by plastics.
2. The hot-melt butt-joint wrapping structure of the continuous glass fiber reinforced composite pipe according to claim 1, wherein: the included angle between the wrapping groove and the axial direction of the composite pipe is 20-30 degrees, and the included angle between the wrapping layer and the axial direction of the composite pipe is 10-15 degrees.
3. The hot-melt butt-joint wrapping structure of the continuous glass fiber reinforced composite pipe according to claim 2, wherein: the length of the wrapping surface of the continuous glass fiber reinforced layer is between 400 and 800mm, and the length of the hot melting section arranged on the inner layer of the composite pipe is between 2 and 2.5 mm.
4. The hot-melt butt-joint wrapping structure of the continuous glass fiber reinforced composite pipe according to claim 1, wherein: and a reinforcing layer formed by winding a metal wire or a metal belt is arranged between the winding layer and the coating layer in the double-step interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448405.2U CN211203257U (en) | 2019-12-31 | 2019-12-31 | Hot melt butt joint wrapping structure of continuous glass fiber reinforced composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448405.2U CN211203257U (en) | 2019-12-31 | 2019-12-31 | Hot melt butt joint wrapping structure of continuous glass fiber reinforced composite pipe |
Publications (1)
| Publication Number | Publication Date |
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| CN211203257U true CN211203257U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201922448405.2U Active CN211203257U (en) | 2019-12-31 | 2019-12-31 | Hot melt butt joint wrapping structure of continuous glass fiber reinforced composite pipe |
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| CN (1) | CN211203257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780868A (en) * | 2020-12-31 | 2021-05-11 | 宝鸡天联汇通复合材料有限公司 | Non-metal connecting joint for composite pipe and connecting method |
| CN113639127A (en) * | 2021-08-20 | 2021-11-12 | 宁波欧佩亚海洋工程装备有限公司 | Adhesive composite pipe joint and manufacturing and mounting method and equipment thereof |
-
2019
- 2019-12-31 CN CN201922448405.2U patent/CN211203257U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780868A (en) * | 2020-12-31 | 2021-05-11 | 宝鸡天联汇通复合材料有限公司 | Non-metal connecting joint for composite pipe and connecting method |
| CN112780868B (en) * | 2020-12-31 | 2023-09-29 | 宝鸡天联汇通复合材料有限公司 | Connection method of nonmetallic connection joint for composite pipe |
| CN113639127A (en) * | 2021-08-20 | 2021-11-12 | 宁波欧佩亚海洋工程装备有限公司 | Adhesive composite pipe joint and manufacturing and mounting method and equipment thereof |
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