CN111688174A - HDPE double-plastic double-composite winding reinforced pipe processing technology and product thereof - Google Patents
HDPE double-plastic double-composite winding reinforced pipe processing technology and product thereof Download PDFInfo
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- CN111688174A CN111688174A CN202010554608.4A CN202010554608A CN111688174A CN 111688174 A CN111688174 A CN 111688174A CN 202010554608 A CN202010554608 A CN 202010554608A CN 111688174 A CN111688174 A CN 111688174A
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
- B29C53/585—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8041—Measuring, controlling or regulating
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8083—Improving bonding of wound materials or layers
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
- B29C53/845—Heating or cooling especially adapted for winding and joining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0011—Biocides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0044—Stabilisers, e.g. against oxydation, light or heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/003—Tubular articles having irregular or rough surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a HDPE double-plastic double-composite winding reinforced pipe processing technology, which comprises the following steps: s1, discharging the material from the main machine, outputting the material through the die to form a hot outer wall winding unit, cooling and shaping the outer wall winding unit through a water tank, and continuously outputting the material under the traction of a traction machine; s2, heating the outer wall winding unit to 65-85 degrees through an oven, winding the outer wall winding unit on a winding machine, extruding the inner wall winding unit by the inner wall equipment of the pipe, and controlling the temperature of the inner wall winding unit to 65-85 degrees through air cooling or water cooling after the inner wall winding unit is extruded; s3, winding the inner wall winding unit into a tubular inner wall shape by a winding machine, winding the outer wall winding unit at the bonding position of the formed inner wall, and driving bonding resin into the bonding position of the inner wall winding unit and the outer wall winding unit; and S4, cooling and shaping by air cooling or water after the outer wall winding unit and the inner wall winding unit are bonded and molded. The invention has the following advantages and effects: the processing technology has high efficiency and simple technology, and can produce the pipe with high ring rigidity and difficult breakage.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to a HDPE double-plastic double-composite winding reinforced pipe processing technology and a product thereof.
Background
From the prospect of plastic hoses and plastic corrugated pipelines marketing, the plastic corrugated pipelines marketing are full of huge commercial opportunities. The development of corrugated pipes has been rapidly progressing in the fields of equipment, forming technology, process, special materials and the like through the development of thirty years. The plastic corrugated pipeline is gradually developed towards the direction of large caliber, and the maximum diameter can be 3000mm at home. The used materials are also developed from the first pvc to pe, pp and the like, plastic corrugated pipeline production line equipment is available, and multiple domestic equipment factories can produce plastic corrugated pipeline production lines with the diameter of 1200 mm. However, most of the pipes processed by the existing production process have a series of problems of insufficient pressure resistance, easy breakage, complex technology, low efficiency and the like, so the improvement of the existing production process of the pipes is urgently needed.
Disclosure of Invention
The invention aims to provide a processing technology of a HDPE double-plastic double-composite winding reinforced pipe, which has high processing efficiency and simple process and can produce a pipe with high ring rigidity and difficult breakage.
The technical purpose of the invention is realized by the following technical scheme: a HDPE double-plastic double-composite winding reinforced pipe processing technology comprises the following steps:
s1, feeding the main machine by the feeding machine, outputting the material of the main machine to be a hot outer wall winding unit through the die, cooling and shaping the outer wall winding unit by the water tank, and continuously outputting the outer wall winding unit under the traction of the traction machine;
s2, heating the outer wall winding unit to 65-85 degrees through an oven, winding the outer wall winding unit on a winding machine, extruding the inner wall winding unit by the inner wall equipment of the pipe, and controlling the temperature of the inner wall winding unit to 65-85 degrees through air cooling or water cooling after the inner wall winding unit is extruded;
s3, winding the inner wall winding unit into a tubular inner wall shape by a winding machine, winding the outer wall winding unit at the bonding position of the formed inner wall according to the winding mode of the inner wall winding unit after the inner wall is formed and reaches the required temperature, and driving bonding resin into the bonding position of the outer wall winding unit and the inner wall winding unit;
and S4, cooling and shaping by air cooling or water after the outer wall winding unit and the inner wall winding unit are bonded and molded so as to continuously and quickly produce.
Further setting the following steps: the outer wall winding unit comprises an inner pipe and an outer pipe, the inner pipe is manufactured on site by a host machine and is cooled and shaped, the temperature of the outer surface of the inner pipe is cooled to be below 85 ℃, the shaped inner pipe is directly spirally wound, and at the moment, the hot-melt outer pipe and the hot-melt inner pipe are coextruded and compounded.
Further setting the following steps: the material of the outer pipe and the material of the inner wall winding unit are both PE materials, the material of the inner pipe is PP material, the inner wall of the inner wall winding unit is compounded with an antibacterial layer, and the antibacterial layer is formed by independently extruding antibacterial sheets and spirally winding the antibacterial sheets in advance of the winding unit.
Further setting the following steps: the antibacterial layer adopts antibacterial polyethylene and comprises the following components in parts by weight: 100 portions of 105 portions of polyethylene resin, 2 to 4 portions of antibacterial master batch, 0.5 to 0.8 portion of antioxidant, 0.2 to 0.3 portion of auxiliary antioxidant, 1 to 2 portions of lubricant, 1 to 2 portions of cross-linking agent and 1 to 2.5 portions of nano zinc oxide powder mixture.
Further setting the following steps: the antibacterial master batch comprises 50-85 parts by weight of thermoplastic resin; 5-20 parts by weight of Zn-zeolite; 5-20 parts by weight of a mildew inhibitor; 0.2-0.4 parts by weight of a coupling agent; 0.05-0.2 weight parts of auxiliary agent; 2-3 parts by weight of liquid paraffin.
The invention also aims to provide the HDPE double-plastic double-composite winding reinforced pipe which has the advantages of high ring stiffness, difficulty in breakage, ageing resistance, corrosion resistance, long service life and the like.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a two compound winding reinforcing pipes that mould of HDPE, includes inner wall winding unit and outer wall winding unit, outer wall winding unit includes outer tube and inner tube, be equipped with on the outer tube outside protrusion and around being the enhancement arch that the spiral encircles the setting in inner wall winding unit centre of a circle, strengthen and form one between arch and the inner wall winding unit and strengthen the chamber, the inner tube sets up in strengthening chamber and shape and looks adaptation with it, be equipped with well cavity in the inner tube, the well intracavity is equipped with the enhancement and founds the muscle.
Further setting the following steps: strengthen protruding one side of inner wall winding unit of back of the body and extend and contract gradually inwards and set up the inclined plane that makes to strengthen protruding relative both sides wall formation slope setting, strengthen protruding position on inclined plane and form an outside convex arc crown for the position of inner wall winding unit opposite side, two are connected respectively to the both sides of arc crown the inclined plane, strengthen the profile in chamber and strengthen bellied periphery profile looks adaptation.
Further setting the following steps: the profile of the hollow cavity is matched with the profile of the reinforced cavity, one side of the reinforced stud is connected to the position of the hollow cavity wall corresponding to the arc-shaped convex top, and the other side of the reinforced stud is connected to the position of the hollow cavity wall corresponding to the inner wall winding unit.
Further setting the following steps: strengthen the grudging post and separate into the cavity two cavitys that symmetry set up each other, two the cavity is close to the convex arc arch of arc crown's position and all is equipped with towards the convex arc arch of arc crown.
In conclusion, the invention has the following beneficial effects: bonding resin is injected into the bonding position of the outer wall winding unit and the inner wall winding unit, so that the inner wall winding unit and the outer wall winding unit can be bonded better and are not easy to delaminate; the inner pipe is co-extruded and compounded with the outer pipe in a cooling and shaping mode, so that the inner pipe is prevented from being held tightly by subsequent contraction of the inner pipe and contraction generated by cooling the outer pipe, and the inner pipe is more reliably connected with the outer pipe.
The cooperation between the inner tube and the reinforcing vertical bar improves the ring rigidity of the wall pipe, and the spiral ring-shaped reinforcing protrusion outside the wall pipe has a good pipe-soil integrated structure after being buried in soil. The antibacterial layer is arranged, so that the pipe has the antibacterial and bactericidal functions, and bacteria on the inner wall of the pipe are prevented from breeding.
The two symmetrical inclined planes are convenient for glue filling and bonding, and simultaneously, the bonding strength is also increased; the inner wall winding unit and the outer pipe made of the PE material can protect the inner pipe and the reinforcing vertical ribs made of the PP material in the pipe, and the PP material is prevented from being damaged by ultraviolet rays, so that the service life of the structural wall pipe is prolonged; meanwhile, the inner pipe and the reinforcing vertical rib made of the PP material have better strength than the inner wall winding unit and the outer pipe made of the PE material, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram illustrating an outer wall winding unit wound around an inner wall winding unit according to an embodiment;
FIG. 2 is a schematic view of an outer wall winding unit according to an embodiment;
FIG. 3 is a sectional view of the second embodiment;
fig. 4 is a partial structural schematic diagram of the second embodiment.
In the figure: 1. an inner wall winding unit; 2. an outer wall winding unit; 21. an outer tube; 22. an inner tube; 3. a reinforcing protrusion; 4. a reinforcement cavity; 6. a cavity; 7. reinforcing the vertical bars; 8. an inclined surface; 9. an arc convex top; 10. an arc-shaped bulge; 11. and (4) an antibacterial layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, a HDPE double-plastic double-composite winding reinforced pipe processing technology comprises the following steps:
s1, feeding the main machine by the feeding machine, outputting the material of the main machine to the outer wall winding unit 2 in a hot state through the die, cooling and shaping the outer wall winding unit 2 by the water tank, and continuously outputting the outer wall winding unit 2 under the traction of the traction machine;
s2, heating the outer wall winding unit 2 to 65-85 degrees through an oven, winding the inner wall winding unit 1 by pipe inner wall equipment, and controlling the temperature of the inner wall winding unit 1 to 65-85 degrees through air cooling or water cooling after the inner wall winding unit 1 is extruded;
s3, firstly winding the inner wall winding unit 1 into a tubular inner wall shape by a winding machine, when the inner wall is formed and reaches a required temperature, winding the outer wall winding unit 2 at the formed inner wall bonding position according to the winding mode of the inner wall winding unit 1, and driving bonding resin into the bonding position of the outer wall winding unit 2 and the inner wall winding unit 1;
and S4, cooling and shaping by air cooling or water after the outer wall winding unit 2 and the inner wall winding unit 1 are bonded and molded so as to realize continuous and rapid production.
The outer wall winding unit 2 comprises an inner pipe 22 and an outer pipe 21, wherein the inner pipe 22 is manufactured on site by a host machine and is cooled and shaped, the temperature of the outer surface of the inner pipe 22 is cooled to be below 85 ℃, the shaped inner pipe 22 is directly spirally wound, and at the moment, the hot-melted outer pipe 21 and the hot-melted inner pipe 22 are coextruded and compounded.
The outer tube 21 and the inner wall winding unit 1 are both made of PE materials, the inner tube 22 is made of PP materials, the inner wall of the inner wall winding unit 1 is compounded with the antibacterial layer 11, and the antibacterial layer 11 is formed by independently extruding antibacterial sheets and spirally winding the antibacterial sheets before the winding unit.
The antibacterial layer 11 is made of antibacterial polyethylene and comprises the following components in parts by weight: 100 portions of 105 portions of polyethylene resin, 2 to 4 portions of antibacterial master batch, 0.5 to 0.8 portion of antioxidant, 0.2 to 0.3 portion of auxiliary antioxidant, 1 to 2 portions of lubricant, 1 to 2 portions of cross-linking agent and 1 to 2.5 portions of nano zinc oxide powder mixture.
The antibacterial master batch comprises 50-85 parts by weight of thermoplastic resin; 5-20 parts by weight of Zn-zeolite; 5-20 parts by weight of a mildew inhibitor; 0.2-0.4 parts by weight of a coupling agent; 0.05-0.2 weight parts of auxiliary agent; 2-3 parts by weight of liquid paraffin.
Example two
Referring to fig. 3 and 4, a HDPE double-plastic double-composite winding reinforcing pipe comprises an inner wall winding unit 1 and an outer wall winding unit 2, wherein the outer wall winding unit 2 comprises an outer pipe 21 and an inner pipe 22, and the outer pipe 21 is outwardly protruded and spirally surrounds a reinforcing protrusion 3 arranged in the center of the inner wall winding unit 1. Strengthen forming one between protruding 3 and the inner wall winding unit 1 and strengthen chamber 4, inner tube 22 sets up in strengthening chamber 4 and shape looks adaptation with it, is formed with well cavity in the inner tube 22, is equipped with in the well cavity and strengthens the muscle 7, and the material of strengthening the muscle 7 is the PP material.
Strengthen protruding 3 one side of winding unit 1 of inner wall back to and extend and gradually inwards shrink the setting and make strengthen protruding 3 relative both sides wall and form the inclined plane 8 that an slope set up, be the symmetry setting along strengthening protruding 3's extending direction between two inclined planes 8. Strengthen protruding 3 and be located the position of inclined plane 8 for inner wall winding unit 1 opposite side and form an outside convex arc crest 9, two inclined planes 8 are connected respectively to the both sides of arc crest 9, strengthen the profile of chamber 4 and strengthen protruding 3's periphery profile looks adaptation.
The outline of the hollow cavity is matched with the outline of the reinforced cavity 4, one side of the reinforced stud 7 is connected with the position of the wall of the hollow cavity corresponding to the arc-shaped convex top 9, and the other side of the reinforced stud is connected with the position of the wall of the hollow cavity corresponding to the inner wall winding unit 1. Strengthen the upright muscle 7 and separate into two cavities 6 that mutual symmetry set up with well cavity, two cavities 6 all are equipped with towards the convex arc arch 10 of arc protruding 9 in the position that arc protruding 9 was close to. An antibacterial layer 11 is fixed on the inner wall of the inner wall winding unit 1 in a compounding way, and the antibacterial layer 11 is made of antibacterial polyethylene.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The HDPE double-plastic double-composite winding reinforced pipe processing technology is characterized by comprising the following steps:
s1, feeding the main machine by the feeding machine, outputting the material of the main machine to the outer wall winding unit (2) in a hot state through the die, cooling and shaping the outer wall winding unit (2) by the water tank, and continuously outputting the outer wall winding unit (2) under the traction of the traction machine;
s2, heating the outer wall winding unit (2) to 65-85 degrees through an oven, winding the inner wall winding unit (1) by the inner wall equipment of the pipe, and controlling the temperature of the inner wall winding unit (1) to 65-85 degrees by air cooling or water cooling after the inner wall winding unit (1) is extruded;
s3, firstly winding the inner wall winding unit (1) into a tubular inner wall shape by a winding machine, after the inner wall is formed and reaches a required temperature, winding the outer wall winding unit (2) at the formed inner wall bonding position according to the winding mode of the inner wall winding unit (1), and driving bonding resin into the bonding position of the outer wall winding unit (2) and the inner wall winding unit (1);
and S4, after the outer wall winding unit (2) and the inner wall winding unit (1) are bonded and formed, cooling and shaping are carried out by air cooling or water, so that continuous and rapid production can be realized.
2. The HDPE double-plastic double-composite winding reinforced pipe processing technology of claim 1, which is characterized in that: the outer wall winding unit (2) comprises an inner pipe (22) and an outer pipe (21), wherein the inner pipe (22) is manufactured on site by a host machine and is cooled and shaped, the temperature of the outer surface of the inner pipe (22) is cooled to be below 85 ℃, the shaped inner pipe (22) is directly spirally wound, and at the moment, the hot-melt outer pipe (21) and the hot-melt inner pipe (22) are coextruded and compounded.
3. The HDPE double-plastic double-composite winding reinforced pipe processing technology of claim 2, characterized in that: the material of the outer pipe (21) and the material of the inner wall winding unit (1) are both PE materials, the material of the inner pipe (22) is PP materials, the inner wall of the inner wall winding unit (1) is compounded with the antibacterial layer (11), and the antibacterial layer (11) is formed by independently extruding antibacterial sheets and spirally winding the antibacterial sheets in advance of the winding unit.
4. The HDPE double-plastic double-composite winding reinforced pipe processing technology of claim 3, characterized in that: the antibacterial layer (11) is made of antibacterial polyethylene and comprises the following components in parts by weight: 100 portions of 105 portions of polyethylene resin, 2 to 4 portions of antibacterial master batch, 0.5 to 0.8 portion of antioxidant, 0.2 to 0.3 portion of auxiliary antioxidant, 1 to 2 portions of lubricant, 1 to 2 portions of cross-linking agent and 1 to 2.5 portions of nano zinc oxide powder mixture.
5. The HDPE double-plastic double-composite winding reinforced pipe processing technology of claim 4, characterized in that: the antibacterial master batch comprises 50-85 parts by weight of thermoplastic resin; 5-20 parts by weight of Zn-zeolite; 5-20 parts by weight of a mildew inhibitor; 0.2-0.4 parts by weight of a coupling agent; 0.05-0.2 weight parts of auxiliary agent; 2-3 parts by weight of liquid paraffin.
6. The utility model provides a two compound winding reinforcing pipes are moulded to HDPE which characterized in that: the HDPE double-plastic double-composite winding reinforced pipe obtained by using the HDPE double-plastic double-composite winding reinforced pipe processing technology of any one of claims 1 to 5 comprises an inner wall winding unit (1) and an outer wall winding unit (2), wherein the outer wall winding unit (2) comprises an outer pipe (21) and an inner pipe (22), the outer pipe (21) is provided with a reinforcing protrusion (3) which protrudes outwards and is spirally arranged around the circle center of the inner wall winding unit (1), a reinforcing cavity (4) is formed between the reinforcing protrusion (3) and the inner wall winding unit (1), the inner pipe (22) is arranged in the reinforcing cavity (4) and is matched with the reinforcing cavity in shape, a hollow cavity is arranged in the inner pipe (22), and a reinforcing vertical rib (7) is arranged in the hollow cavity.
7. The HDPE double-plastic double-composite winding reinforcing pipe as claimed in claim 6, wherein: strengthen protruding (3) one side of inner wall winding unit (1) back to and extend and contract gradually inwards and set up and make and strengthen inclined plane (8) that protruding (3) relative both sides wall formed an slope and set up, strengthen protruding (3) and be located inclined plane (8) and form one outside convex arc crown (9) for the position of inner wall winding unit (1) opposite side, two are connected respectively to the both sides of arc crown (9) inclined plane (8), strengthen the profile of chamber (4) and strengthen the periphery profile looks adaptation of protruding (3).
8. The HDPE double-plastic double-composite winding reinforcing pipe as claimed in claim 6, wherein: the profile of the hollow cavity is matched with the profile of the reinforced cavity (4), one side of the reinforced stud (7) is connected to the position of the hollow cavity wall corresponding to the arc-shaped convex top (9), and the other side of the reinforced stud is connected to the position of the hollow cavity wall corresponding to the inner wall winding unit (1).
9. The HDPE double-plastic double-composite winding reinforcing pipe as claimed in claim 8, wherein: strengthen vertical muscle (7) and separate into cavity two cavity (6) that mutual symmetry set up, two the position that cavity (6) are close to arc protruding top (9) all is equipped with towards convex arc arch (10) of arc protruding top (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554608.4A CN111688174A (en) | 2020-06-17 | 2020-06-17 | HDPE double-plastic double-composite winding reinforced pipe processing technology and product thereof |
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| CN202010554608.4A CN111688174A (en) | 2020-06-17 | 2020-06-17 | HDPE double-plastic double-composite winding reinforced pipe processing technology and product thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377688A (en) * | 2020-12-31 | 2021-02-19 | 广东统塑管业有限公司 | Single-wall corrugated outer rib enhanced pipe, single-wall corrugated outer rib and processing method |
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| 陈宝璠: "《建筑水电工程材料》", 31 August 2010, 中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377688A (en) * | 2020-12-31 | 2021-02-19 | 广东统塑管业有限公司 | Single-wall corrugated outer rib enhanced pipe, single-wall corrugated outer rib and processing method |
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