CN209839368U - Polyethylene steel framework composite steady-state pipe - Google Patents
Polyethylene steel framework composite steady-state pipe Download PDFInfo
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- CN209839368U CN209839368U CN201920450515.XU CN201920450515U CN209839368U CN 209839368 U CN209839368 U CN 209839368U CN 201920450515 U CN201920450515 U CN 201920450515U CN 209839368 U CN209839368 U CN 209839368U
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- state pipe
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Abstract
A polyethylene steel skeleton composite steady-state pipe belongs to the field of water supply and drainage and comprises a steel skeleton, an inner wrapping layer and an outer protective layer; the steel skeleton is positioned in the middle of the inner wrapping layer, and the outer protective layer is positioned on the outer surface of the inner wrapping layer; the connection relationship is: the steel skeleton is wrapped in the inner wrapping layer, and the outer protective layer is connected with the outer surface of the inner wrapping layer. Saving a large amount of manufacturing cost. Can be widely applied to the field of pipes.
Description
Technical Field
The invention belongs to the field of water supply and drainage plastic pipes, and particularly relates to a stable-state pipe which is formed by compounding multiple layers of polyethylene and takes a steel skeleton as a reinforcing mesh.
Background
With the vigorous advance of urbanization construction, the technical innovation in the field of water supply and drainage is changing day by day. The prior netted steel skeleton composite pipe is disclosed as ZL 98119383.8, 201720979629.4 and the like, and after the pipe is used, the disclosed netted steel skeleton composite pipe has the following common defects: the pipe is prepared by only adopting one plastic raw material for extrusion molding, is limited by a single formula raw material, and has the following defects in specific use and pipeline installation in a construction site: one of the defects is that the use purpose is single, the inner wall and the outer wall are both made of the same plastic, the inner wall is used for supplying and draining water, particularly for food-grade drinking water, the inner wall is made of food-grade plastic through extrusion molding, and the outer wall of the food-grade plastic is not suitable for environments such as corrosion resistance, weathering resistance and the like, so that the service life of the pipeline is shortened, and the maintenance cost is increased; the second is that the pipeline has single color and cannot be distinguished and identified in actual use; and thirdly, when the pipeline is used under different environmental conditions needing acid resistance, alkali resistance, weathering resistance and the like, the material of the outer wall has the problems that the technical requirements are not met and the like.
Disclosure of Invention
The composite pipe aims to overcome the defects that the prior reticular steel skeleton composite pipe has single use and single color of the pipeline, and solves the problems of large demand of different environmental conditions such as acid resistance, alkali resistance, weathering resistance and the like, prolongs the service life of the pipeline, and reduces the maintenance cost; the invention discloses a polyethylene steel skeleton composite steady-state pipe.
The polyethylene steel skeleton composite stable pipe consists of a steel skeleton, an inner wrapping layer and an outer protective layer; the steel skeleton is located the centre of inner wrapping layer, and outer protective layer is located the surface of inner wrapping layer. The connection relationship is: the steel skeleton is wrapped in the inner wrapping layer, and the outer protective layer is connected with the outer surface of the inner wrapping layer.
The steel skeleton is a cylindrical steel wire mesh steel skeleton.
The steel wire mesh is any one of a rectangular mesh, a rhombic mesh and a circular mesh.
The steel skeleton is any one of a cylindrical spiral steel belt, a cylindrical spiral steel wire and a cylindrical round hole steel belt. The inner wrapping layer and the outer protective layer are made of polyethylene raw materials with different formulas.
The inner wrapping layer is made of food-grade polyethylene.
The outer protective layer is made of any one of acid-resistant, alkali-resistant, weathering-resistant and corrosion-resistant polyethylene raw materials.
The inner wrapping layer and the outer protective layer are made of polyethylene raw materials with different colors.
The outer protective layer is any one of red, blue, yellow, gray, black and white.
A production device of a polyethylene steel skeleton composite steady-state pipe comprises a steel skeleton, a polyethylene extruder, a forming die, a shaping box, a tractor, a cutting machine, a stacking rack, an oven heater, a cladding extruder, a vacuum cladding die, a secondary vacuum shaping box and an extrusion cladding die; the steel skeleton is made of steel wire skeleton and steel skeleton forming machine.
The connection relationship of the forming die is that the mandrel is connected with the steel framework forming machine, the inner diameter-defining die is connected with the mandrel, the first die core is connected with the first die cavity, and the first die cavity is fixedly connected with the first mouth die through the pressing plate.
The connection relation of the coating die is that the die core II is connected with the die cavity II, and the die cavity II is fixedly connected with the die cavity II through a pressing plate.
The connection relation of the production device of the polyethylene steel framework composite steady-state pipe is as follows: the production device is a production line adopting a process of secondary shaping and secondary extrusion of polyethylene, a tractor is used as main power, the production line is arranged in a horizontal direction from a steel wire frame to the end of a stacking frame, firstly, steel wires in the steel wire frame are dragged into a steel skeleton forming machine by the tractor serving as a power source, and the steel skeleton forming machine forms the steel wires into a cylindrical meshed steel skeleton; the cylindrical hole-net steel skeleton enters a forming die, the forming die is connected with a polyethylene extruder, the polyethylene extruder extrudes molten polyethylene into the forming die to form a hole-net steel skeleton as an intermediate layer, and an inner wrapping layer is a steel-plastic composite pipe blank formed into polyethylene; the steel-plastic composite pipe blank continuously enters a cooling spray box under the action of a tractor to be further cooled and shaped and then enters an oven heater, the steel-plastic composite pipe blank heated by the oven heater on the outer surface is continuously dragged into a cladding die, the cladding die is connected with a cladding extruder, the cladding extruder extrudes molten polyethylene formula material into the cladding die and wraps the molten polyethylene formula material on the heated outer surface of the steel-plastic composite pipe blank to form an outer protection layer, and the polyethylene steel framework composite stable pipe is formed; the tractor pulls the steel skeleton composite stable pipe with the outer protective layer into a secondary cooling spraying box for secondary cooling and shaping, then the tractor is continuously pulled to send the steel skeleton composite stable pipe into a cutting machine, and the cutting machine cuts the steel skeleton composite stable pipe according to the length required by the order and then sends the cut steel skeleton composite stable pipe into a stacking frame.
A production method for a secondary shaping and secondary extrusion polyethylene steel skeleton composite steady-state pipe comprises the following steps:
(1) the steel wire frame provides steel wires to the steel frame forming machine;
(2) the steel skeleton forming machine is used for manufacturing a cylindrical meshed steel skeleton;
(3) the meshed steel skeleton is drawn into a shaping grinding tool;
(4) extruding a polyethylene raw material into a shaping grinding tool in a molten state by a polyethylene extruder;
(5) the shaping grinding tool is made and shaped into a steel-plastic composite pipe blank of which the middle layer is a mesh steel skeleton and the inner layer and the outer layer are polyethylene;
(6) the tube blank of the polyethylene steel-plastic composite tube enters a shaping box for shaping;
(7) feeding the polyethylene steel-plastic composite pipe blank into an oven heater;
(8) the steel-plastic composite pipe is drawn into a cladding die which is connected with a cladding extruder;
(9) extruding the molten polyethylene formula material into a coating die by a coating extruder, and coating the molten polyethylene formula material on the heated outer surface of the steel-plastic composite pipe blank to form an outer protective layer, namely forming the polyethylene steel framework composite stable pipe;
(10) drawing the polyethylene steel skeleton composite steady-state pipe into a secondary vacuum shaping box for shaping;
(11) the tractor sends the shaped polyethylene steel framework composite stable pipe to a stacking rack;
(12) the cutting machine cuts the polyethylene steel skeleton composite stable pipe according to the length required by the order;
(13) and (5) putting the polyethylene steel framework composite stable state pipe which is qualified after inspection into a warehouse.
The noun of this patent explains:
the method comprises the following steps: the upward direction, which is consistent with the direction of the earth gravity and is vertical to the horizontal plane of the earth, is called as upward;
the following: a downward direction, which is the direction consistent with the direction of gravity of the earth and is vertical to the horizontal plane of the earth, is called as downward;
horizontal direction: the direction coincident with the horizontal plane of the earth is called the horizontal direction.
The remarkable characteristics and the technical progress of the polyethylene steel framework composite steady-state pipe are as follows: the technical scheme is that the pipe is designed and manufactured into three layers, a steel skeleton is positioned in the middle of an inner wrapping layer, an outer protective layer is positioned on the outer surface of the inner wrapping layer, the polyethylene steel skeleton composite stable pipe can be produced and manufactured by selecting different materials or colors of the inner wrapping layer and materials or colors of the outer protective layer according to different actual use occasions, and the materials of the inner wrapping layer are selected according to different fluid media for conveying; the outer protective layer is a polyethylene formula material which is formed by secondary extrusion of polyethylene materials and is used for changing the appearance color of the polyethylene formula material by adding color master and is selected for special external environment application, and is a polyethylene steel skeleton composite stable pipe; the realized technical purpose is to meet different requirements of actual use occasions of the polyethylene steel framework composite steady-state pipe; the technical effect is suitable for environmental application such as corrosion resistance, weathering resistance and the like, and the polyethylene steel skeleton composite stable pipes with different colors are used for identification in actual different purposes; the cost is greatly saved; has better economic benefit and social benefit.
Drawings
FIG. 1 is a schematic cross-sectional view of a pipeline with a polyethylene steel skeleton.
Fig. 2 is a schematic cross-sectional view of the polyethylene steel framework composite steady-state pipe of the present invention.
FIG. 3 is a schematic diagram of a production device for a pipeline with a polyethylene steel skeleton.
Fig. 4 is a schematic view of a production device for polyethylene steel framework composite steady-state pipes of the utility model.
Fig. 5 is a schematic view of the polyethylene steel framework composite steady-state pipe forming die of the utility model.
Fig. 6 is a schematic view of the extrusion coating die for the composite steady-state pipe with the polyethylene steel framework.
In the figure: the steel wire steel skeleton forming device comprises a steel wire steel skeleton 201, an inner wrapping layer 202, an outer protective layer 203, a steel wire skeleton 1, steel skeleton forming 2, a steel skeleton 3, a polyethylene extruder 4, a forming die 5, a shaping box 6, a polyethylene steel skeleton composite stable-state pipe 7, a tractor 8, a cutting machine 9, a stacking frame 10, an oven heater 11, a polyethylene wrapping extruder 12, a vacuum wrapping die 13, a secondary vacuum shaping box 14 and an extrusion wrapping die 15.
In the forming die drawing: the method comprises the following steps of a mandrel 501, a first mold core 502, a mold cavity 503, a pressure plate 504, a first die 505 and an inner sizing mold 506.
In the extrusion coating die drawing: a second die core 130, a second die cavity 131, a pressing plate 132, a second die 133 and a steel skeleton composite pipe blank 701.
Detailed Description
The invention is produced, used and implemented in occasions needing polyethylene steel framework composite steady-state pipes, and the following specific examples are given.
The first embodiment,
The polyethylene steel skeleton composite steady-state pipe is used for conveying tap water, the outer protective layer is made of corrosion-resistant black polyethylene, and the inner wrapping layer is made of white food-grade polyethylene.
The production device adopting the polyethylene steel skeleton composite stable pipe comprises a steel wire skeleton 1, a steel skeleton forming 2, a steel skeleton 3, a forming mold 5, a shaping box 6, a polyethylene steel skeleton composite stable pipe 7, a tractor 8, a cutting machine 9, a stacking rack 10, an oven heater 11, a coating extruder 12, a coating mold 13, a secondary vacuum shaping box 14 and an extrusion coating mold 15.
The forming die is characterized in that a mandrel 501 is connected with a steel framework forming machine 2, an inner diameter-defining die 506 is connected with the mandrel 501, a first die core 502 is connected with a first die cavity 503, and the first die cavity 502 is fixedly connected with a first die 505 through a pressing plate 504.
The extrusion coating die is characterized in that a second die core 130 is connected with a second die cavity 131, and the second die cavity 131 is fixedly connected with a second die 133 through a pressing plate 132.
The steel skeleton 3 is selected from the cylindrical steel wire steel skeleton 201.
A process for producing a polyethylene steel skeleton composite steady-state pipe by adopting secondary extrusion polyethylene secondary shaping comprises the following production steps:
the connection relation of the production device of the polyethylene steel framework composite steady-state pipe is as follows: the production device is a production line of a process for secondarily shaping and secondarily extruding polyethylene, a tractor 8 is used as main power, the production line is arranged in a horizontal direction from a steel wire frame 1 to a stacking rack 10, and steel wires in the steel wire frame 1 are firstly dragged into a steel skeleton forming machine 2 by using the tractor 8 as a power source; the steel wire is molded into a cylindrical steel wire framework 201 by a steel framework molding machine 2, the cylindrical steel wire framework 201 enters a molding mold 5, the molding mold 5 is connected with a polyethylene extruder 4, the polyethylene extruder 4 extrudes molten white food-grade polyethylene raw material into the molding mold 5 to form a steel wire framework 201 with a cylindrical middle layer, and an inner wrapping layer 202 is a steel-plastic composite pipe blank 701 of polyethylene; the tractor 8 draws the polyethylene steel-plastic composite pipe blank 701 into the shaping box 6 to cool and shape; a polyethylene steel-plastic composite pipe blank 701 enters an oven heater 11, the steel-plastic composite pipe blank 701 is pulled into a coating die 13, and the coating die 13 is connected with a coating extruder 12; the cladding extruder 12 extrudes the black polyethylene raw material in a molten state into the cladding die 13 and wraps the black polyethylene raw material on the heated outer surface of the steel-plastic composite pipe blank 701 to form an outer protective layer 203, namely, the polyethylene steel skeleton composite stable pipe 7 is formed; the polyethylene steel framework composite steady-state pipe 7 is drawn into a secondary vacuum shaping box 14 for shaping; the tractor sends the shaped polyethylene steel framework composite steady-state pipe 7 to a piling bin 10; the cutting machine 9 cuts the polyethylene steel framework composite stable pipe 7 according to the length required by the order; and warehousing the polyethylene steel framework composite steady-state pipe 7 which is qualified after inspection.
Example II,
The concrete application occasion is that the composite steady-state pipe 7 with the polyethylene steel framework is used for conveying rainwater, the outer protective layer 203 is made of acid-resistant gray polyethylene, and the inner wrapping layer 202 is made of common polyethylene.
The steel skeleton 3 selects and uses a cylindrical round hole steel belt.
The polyethylene extruder 4 extrudes the common polyethylene raw material in a molten state into the forming die 5.
The coating extruder 12 extrudes the molten acid-resistant gray polyethylene raw material into the coating die 13 and coats the heated outer surface of the steel-plastic composite pipe blank to form the outer protective layer 203.
The rest is the same as above.
Example III,
The steel skeleton 3 is a cylindrical spiral steel band.
The rest is the same as above.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a compound steady state pipe of polyethylene steel framework which characterized in that: the polyethylene steel skeleton composite steady-state pipe consists of a steel skeleton, an inner wrapping layer and an outer protective layer; the steel skeleton is positioned in the middle of the inner wrapping layer, and the outer protective layer is positioned on the outer surface of the inner wrapping layer; the connection relationship is: the steel skeleton is wrapped by the inner wrapping layer, and the outer protective layer is wrapped and connected with the outer surface of the inner wrapping layer.
2. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the steel skeleton is a cylindrical steel wire mesh steel skeleton.
3. The polyethylene steel skeleton composite steady-state pipe of claim 2, wherein: the steel wire mesh is any one of a rectangular mesh, a rhombic mesh and a circular mesh.
4. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the steel skeleton is any one of a cylindrical spiral steel belt, a cylindrical spiral steel wire and a cylindrical round hole steel belt.
5. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the inner wrapping layer and the outer protective layer are made of polyethylene raw materials with different formulas.
6. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the inner wrapping layer is made of food-grade polyethylene.
7. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the outer protective layer is made of any one of acid-resistant, alkali-resistant, ageing-resistant and wear-resistant polyethylene formula raw materials.
8. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the inner wrapping layer and the outer protective layer are respectively made of polyethylene formula raw materials with different colors.
9. The polyethylene steel skeleton composite steady-state pipe of claim 1, wherein: the outer protective layer is any one of red, blue, yellow, gray, black and white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450515.XU CN209839368U (en) | 2019-04-04 | 2019-04-04 | Polyethylene steel framework composite steady-state pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450515.XU CN209839368U (en) | 2019-04-04 | 2019-04-04 | Polyethylene steel framework composite steady-state pipe |
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| Publication Number | Publication Date |
|---|---|
| CN209839368U true CN209839368U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920450515.XU Active CN209839368U (en) | 2019-04-04 | 2019-04-04 | Polyethylene steel framework composite steady-state pipe |
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| Country | Link |
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| CN (1) | CN209839368U (en) |
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Effective date of registration: 20200604 Address after: 653100 maizitian area, ceramic characteristic industrial park, Longquan Town, Yimen County, Yuxi City, Yunnan Province Patentee after: Yunnan Aoyuan Intelligent Environmental Protection Technology Co.,Ltd. Address before: 650051 Building 601, Jiangyuan District, Wanhua Road, Panlong District, Kunming City, Yunnan Province Patentee before: Tan Lianping |