CN212745377U - Composite polyethylene helical bellows - Google Patents
Composite polyethylene helical bellows Download PDFInfo
- Publication number
- CN212745377U CN212745377U CN202021591468.XU CN202021591468U CN212745377U CN 212745377 U CN212745377 U CN 212745377U CN 202021591468 U CN202021591468 U CN 202021591468U CN 212745377 U CN212745377 U CN 212745377U
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- layer
- polyethylene
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- bonding resin
- resin layer
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- 239000004698 Polyethylene Substances 0.000 title claims abstract description 39
- -1 polyethylene Polymers 0.000 title claims abstract description 39
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 239000004840 adhesive resin Substances 0.000 claims description 10
- 229920006223 adhesive resin Polymers 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of plastic pipes, and discloses a composite polyethylene spiral corrugated pipe, which comprises a circular inner wall pipe and a composite outer layer, wherein the composite outer layer is arranged on the outer surface of the circular inner wall pipe; the compound skin includes polyethylene layer, bonding resin layer, mesh steel band, the surface on polyethylene layer is equipped with the bonding resin layer, the surface on bonding resin layer is equipped with the mesh steel band, the external diameter value on polyethylene layer with the internal diameter value on bonding resin layer equals. The composite polyethylene spiral corrugated pipe has better weather resistance, pressure resistance and impact resistance.
Description
Technical Field
The utility model relates to a plastics tubular product technical field specifically is a compound polyethylene helical bellows.
Background
The plastic-steel composite corrugated pipe is an indispensable material in the fields of buildings, municipal administration, water conservancy and the like, and has been deeply penetrated into all aspects of modern engineering.
Traditional plastic steel composite pipe has the design defect, and metal level, plastic layer and bonding resin layer are relatively independent, do not have cross connection between the layer, and the bonding is insecure, and the metal level is very different with the plastic layer coefficient of thermal expansion, receives the problem that appears more easily when cold and hot change, and the easy problem of delaminating, fracture appears in the use, seriously influences engineering quality.
Disclosure of Invention
The utility model provides a compound polyethylene helical bellows has solved the poor problem of weatherability, compressive property and impact resistance among the prior art.
In order to solve the above problem, the utility model adopts the following technical scheme: a composite polyethylene spiral corrugated pipe comprises a circular inner wall pipe and a composite outer layer, wherein the composite outer layer is arranged on the outer surface of the circular inner wall pipe;
the compound skin includes polyethylene layer, bonding resin layer, mesh steel band, the surface on polyethylene layer is equipped with the bonding resin layer, the surface on bonding resin layer is equipped with the mesh steel band, the external diameter value on polyethylene layer with the internal diameter value on bonding resin layer equals.
Preferably, a plurality of holes are formed in the outer surface of the meshed steel strip, the holes are equal in size, and the distance between the holes is equal.
Preferably, the number of the bonding resin layers is two, the two bonding resin layers are respectively located on the upper surface and the lower surface of the meshed steel strip, and the two bonding resin layers and the meshed steel strip are bonded together.
Preferably, the outer surfaces of the polyethylene layer, the adhesive resin layer and the mesh steel belt are all provided with convex corrugated outer walls.
The beneficial effects of the utility model are that, set up to the cross connection through the tubular product metal level on with compound polyethylene helical bellows and polyethylene layer for pin the metal level through the hole between the polyethylene layer, thereby guaranteed that compound polyethylene helical bellows's weatherability is good, compressive property is good, shock resistance is excellent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an appearance schematic diagram of the composite polyethylene helical bellows of the present invention;
FIG. 2 is a schematic view of a partial structure of the tube wall of the present invention;
FIG. 3 is a schematic view of the axial section of the present invention showing a local enlargement of the corrugation;
FIG. 4 is a schematic top view of the continuous production process of the present invention.
The reference numbers in the figures illustrate: 1. a circular inner wall tube; 2. a polyethylene layer; 3. an adhesive resin layer; 4. a mesh steel belt; 5. placing the belt machine; 6. a stainless steel band; 7. a perforating machine; 8. a spray coater; 9. a roller forming machine; 10. an outer wall extruder; 11. an inner wall extruder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a composite polyethylene helical bellows comprises a circular inner wall tube 1 and a composite outer layer, wherein the outer surface of the circular inner wall tube 1 is fixedly sleeved with the composite outer layer;
the composite outer layer comprises a polyethylene layer 2, a bonding resin layer 3 and a meshed steel belt 4, the bonding resin layer 3 is bonded on the outer surface of the polyethylene layer 2, the meshed steel belt 4 is bonded on the outer surface of the bonding resin layer 3, and the outer diameter value of the polyethylene layer 2 is equal to the inner diameter value of the bonding resin layer 3.
Wherein, a plurality of holes have been seted up to the surface of mesh steel band 4, and a plurality of holes size equals, and the interval value between a plurality of holes equals, can effectually ensure the bonding effect of two bonding resin layers 3.
Wherein, the quantity of bonding resin layer 3 is two, and two bonding resin layers 3 are located the upper surface and the lower surface of mesh steel band 4 respectively, all adopt the mode of bonding between two bonding resin layers 3 and the mesh steel band 4, and its effect makes two bonding resin layers 3 pin mesh steel band 4, forms a whole, can prevent the problem of delaminating, fracture.
Wherein, the surface of polyethylene layer 2, bonding resin layer 3 and mesh steel band 4 all establishes to evagination corrugate outer wall, can effectual formation trough pressure layer for helical bellows possesses certain crushing resistance.
The preparation method of the composite polyethylene spiral corrugated pipe comprises the following steps:
s1, extruding a plate by an inner wall extruder 11 and directly winding the plate on a roller to form a circular inner wall pipe 1;
s2, conveying the stainless steel strip 6 to a perforating machine 7 through a strip releasing machine 5 for perforating; after the stainless steel strip is subjected to punching treatment, the size and the density of holes can be adjusted according to the diameter of the pipe;
s3, spraying adhesive resin by a spraying machine 8, and rolling into an omega shape by a roller forming machine 9;
s4, penetrating into an outer wall extruder 10, forming a polyethylene steel strip composite outer wall through an omega-shaped die, and synchronously winding the outer wall and the circular inner wall pipe 1 on a roller to form the meshed steel strip reinforced steel-plastic integrated composite polyethylene spiral corrugated pipe.
When in work, firstly, the stainless steel strip 6 is punched to form the meshed steel strip 4, then the meshed steel strip 4 passes through the spraying machine 8, spraying a layer of adhesive resin on the inner surface and the outer surface of the meshed steel strip 4 simultaneously to form the meshed steel strip 4 with the adhesive resin layer 3, meanwhile, an inner wall extruder 11 extrudes polyethylene plates to be wound on a winding roller to form a circular inner wall pipe 1, then, a roller forming machine 9 is used for rolling the mesh steel belt 4 with the adhesive resin layer 3 into an omega-shaped steel belt, the omega-shaped steel belt is coated with a polyethylene layer through an omega-shaped die of an outer wall extruder 10 to form a composite outer wall, finally, the composite outer wall in a molten state is wound on the circular inner wall pipe 1 in a spiral winding mode to form an omega-shaped spiral outer wall, and the circular inner wall pipe 1 and the outer wall composite pipe are compounded together through molten polyethylene.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The composite polyethylene spiral corrugated pipe is characterized by comprising a circular inner wall pipe (1) and a composite outer layer, wherein the composite outer layer is arranged on the outer surface of the circular inner wall pipe (1);
the composite outer layer comprises a polyethylene layer (2), a bonding resin layer (3) and a meshed steel belt (4), wherein the outer surface of the polyethylene layer (2) is provided with the bonding resin layer (3), the outer surface of the bonding resin layer (3) is provided with the meshed steel belt (4), and the outer diameter value of the polyethylene layer (2) is equal to the inner diameter value of the bonding resin layer (3).
2. The composite polyethylene helical bellows according to claim 1, wherein the outer surface of the mesh steel belt (4) is provided with a plurality of holes, the holes are equal in size, and the spacing values between the holes are equal.
3. The composite polyethylene helical bellows according to claim 1, wherein the number of the adhesive resin layers (3) is two, and the two adhesive resin layers (3) are respectively located on the upper surface and the lower surface of the mesh steel strip (4), and the two adhesive resin layers (3) and the mesh steel strip (4) are bonded together.
4. A composite polyethylene helical bellows according to claim 1, wherein the outer surfaces of the polyethylene layer (2), the adhesive resin layer (3) and the mesh steel belt (4) are provided with an outer convex corrugated wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591468.XU CN212745377U (en) | 2020-08-04 | 2020-08-04 | Composite polyethylene helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591468.XU CN212745377U (en) | 2020-08-04 | 2020-08-04 | Composite polyethylene helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212745377U true CN212745377U (en) | 2021-03-19 |
Family
ID=74986350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021591468.XU Active CN212745377U (en) | 2020-08-04 | 2020-08-04 | Composite polyethylene helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212745377U (en) |
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2020
- 2020-08-04 CN CN202021591468.XU patent/CN212745377U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231008 Address after: 261000 South Road, 500 meters east of the intersection of Beihai Road and Yiye 1st Street, Gudi Street, Hanting District, Weifang City, Shandong Province Patentee after: Weifang Sanjian Concrete Building Materials Co.,Ltd. Address before: Room 103, building 21, 2222 Beihai Road, Kaiyuan street, Hanting District, Weifang, Shandong 261000 Patentee before: Weifang Sanjian Yuwang Pipe Co.,Ltd. |