CN109177131B - Plastic package device for end of steel skeleton reinforced polyethylene composite pipe - Google Patents
Plastic package device for end of steel skeleton reinforced polyethylene composite pipe Download PDFInfo
- Publication number
- CN109177131B CN109177131B CN201811279312.5A CN201811279312A CN109177131B CN 109177131 B CN109177131 B CN 109177131B CN 201811279312 A CN201811279312 A CN 201811279312A CN 109177131 B CN109177131 B CN 109177131B
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- Prior art keywords
- plastic
- injection molding
- steel skeleton
- composite pipe
- polyethylene composite
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- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- -1 polyethylene Polymers 0.000 title claims abstract description 15
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 238000010137 moulding (plastic) Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/10—Closing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The plastic package device for the end part of the steel skeleton reinforced polyethylene composite pipe comprises a bracket and an injection molding device arranged on a flat plate at the top of the bracket, wherein the injection molding device consists of two half moulds which are transversely and symmetrically arranged and a cylindrical core mould which is longitudinally arranged; the opposite sides of the two half moulds are correspondingly provided with plastic molding die cavities, one sides of the two half moulds, which are far away from each other, are respectively provided with a pressing cylinder, the body of the pressing cylinder is fixed on the top flat plate, and the half moulds are fixed at the end parts of telescopic rods of the pressing cylinders; the core mold is fixed on a telescopic rod of the telescopic cylinder and matched with the closed groove at the rear end of the half mold, the side wall of the rear section of the core mold is provided with a plastic nozzle, and the front section of the core mold is provided with a heater for heating and melting the plastic at the end part of the pipeline. The plastic sealing device is internally provided with a pipeline end plastic heating melter, and the pipeline end is subjected to high-pressure injection molding in a sealing injection molding mode, so that the plastic sealing device has the advantages of high strength of the plastic sealing end and attractive appearance.
Description
Technical Field
The invention relates to a device for plastically packaging the end part of a steel skeleton reinforced polyethylene composite pipe, and belongs to the technical field of end part plastic packaging of cylindrical steel-plastic composite pipes.
Background
The end plastic package device of the prior steel skeleton reinforced polyethylene composite pipe is disclosed in Chinese patent application publication No.: CN 106564181A, name: a method and apparatus for plastically packaging the end surface of steel-plastic composite pipeline features that a mould head with internal arc slot channel is used to gradually plastically package the end of pipeline in rotary mode, and the plastic packaging unit can not apply enough pressure to molten plastic.
Disclosure of Invention
Aiming at the defects of the end plastic package device of the existing steel skeleton reinforced polyethylene composite pipe, the invention provides a novel steel skeleton reinforced polyethylene composite pipe end plastic package device, wherein a pipeline end plastic heating melter is arranged in the plastic package device, and the pipeline end is subjected to high-pressure injection molding in a sealing injection molding mode, so that the novel steel skeleton reinforced polyethylene composite pipe end plastic package device has the advantages of high strength and attractive appearance of the pipeline plastic package end.
In order to achieve the purpose, the technical solution of the invention is as follows:
the plastic package device for the end part of the steel skeleton reinforced polyethylene composite pipe comprises a bracket and an injection molding device arranged on a flat plate at the top of the bracket, wherein the injection molding device consists of two half moulds which are transversely and symmetrically arranged and a cylindrical core mould which is longitudinally arranged; the opposite sides of the two half moulds are correspondingly provided with plastic molding die cavities, one sides of the two half moulds, which are far away from each other, are respectively provided with a pressing cylinder, the body of the pressing cylinder is fixed on the top flat plate, and the half moulds are fixed at the end parts of telescopic rods of the pressing cylinders; the core mold is fixed on a telescopic rod of the telescopic cylinder and matched with the closed groove at the rear end of the half mold, the side wall of the rear section of the core mold is provided with a plastic nozzle, and the front section of the core mold is provided with a heater for heating and melting the plastic at the end part of the pipeline.
Preferably, the bottom of the two half-moulds is provided with a transverse sliding groove, and the two half-moulds are arranged on the transverse sliding groove.
Preferably, a positioning and clamping structure for the composite tube to be plastically packaged is arranged right in front of the transverse sliding groove.
Preferably, the inner diameter of the plastic molding die cavity is equal to the outer diameter of the composite pipe, the inner diameter of the front end of the plastic molding die cavity is slightly smaller than the outer diameter of the composite pipe, a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the front end of the plastic molding die cavity, and a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the closed groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the plastic heating melter at the end part of the pipeline is arranged in the plastic packaging device, and the end part of the pipeline is subjected to high-pressure injection molding in a sealing injection molding mode, so that the plastic packaging device has the advantages of high strength and attractive appearance of the plastic packaging end part of the pipeline.
2. The device is provided with the positioning and clamping structure aiming at the pipeline, so that the pipeline can be effectively positioned before sealing, and the plastic sealing effect can be effectively ensured.
3. According to the device, the high-temperature-resistant sealing rubber is arranged at the front and rear end openings of the plastic molding die cavity, so that the sealing of the molding die cavity can be effectively ensured, and the molding effect is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view a-a in fig. 1.
In the figure: the plastic forming machine comprises a top flat plate 1, a pressing cylinder 2, a pressing cylinder telescopic rod 3, a half die 4, a telescopic cylinder 5, a core die 6, a plastic forming die cavity 7, a closed groove 8, a transverse sliding groove 9, a support 10, a telescopic rod 11 and a positioning and clamping structure 12.
Detailed Description
The invention is described in further detail below with reference to the following description of the drawings and the detailed description of the embodiments.
With reference to fig. 1 and 2, the plastic package device for the end of the steel skeleton reinforced polyethylene composite pipe comprises a support 10 and an injection molding device arranged on a flat plate 1 at the top of the support 10, wherein the injection molding device is composed of two half molds 4 which are transversely symmetrically arranged and a cylindrical core mold 6 which is longitudinally arranged; the opposite sides of the two half moulds 4 are correspondingly provided with plastic molding die cavities 7, one sides of the two half moulds 4 which are opposite are respectively provided with a pressing cylinder 2, the bodies of the pressing cylinders 2 are fixed on the top flat plate 1, and the half moulds 4 are fixed at the end parts of telescopic rods 3 of the pressing cylinders; the core mould 6 is fixed on a telescopic rod 11 of the telescopic cylinder 5, the core mould 6 is matched with a closed groove 8 at the rear end of the half mould 4, a plastic nozzle is arranged on the side wall of the rear section of the core mould 6, and a heater for heating and melting the plastic at the end part of the pipeline is arranged at the front section of the core mould 6.
As a preferred technical solution, the bottom of the two half-moulds 4 is provided with a transverse sliding slot 9, and the two half-moulds 4 are arranged on the transverse sliding slot 9.
As a preferred technical scheme, a positioning and clamping structure 12 for the composite tube to be plastically packaged is arranged right in front of the transverse sliding groove 9.
Preferably, the inner diameter of the plastic molding cavity 7 is equal to the outer diameter of the composite pipe, the inner diameter of the front end of the plastic molding cavity 7 is slightly smaller than the outer diameter of the composite pipe, a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the front end of the plastic molding cavity 7, and a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the closed groove 8.
Example 1:
as shown in fig. 1 and 2: a steel skeleton reinforced polyethylene composite pipe end plastic package device comprises a support 10 and an injection molding device arranged on a flat plate 1 at the top of the support 10, wherein the injection molding device consists of two half moulds 4 which are transversely and symmetrically arranged and a cylindrical core mould 6 which is longitudinally arranged; the opposite sides of the two half moulds 4 are correspondingly provided with plastic molding die cavities 7, one sides of the two half moulds 4 which are opposite are respectively provided with a pressing cylinder 2, the bodies of the pressing cylinders 2 are fixed on the top flat plate 1, and the half moulds 4 are fixed at the end parts of telescopic rods 3 of the pressing cylinders; the core mould 6 is fixed on a telescopic rod 11 of the telescopic cylinder 5, the core mould 6 is matched with a closed groove 8 at the rear end of the half mould 4, a plastic nozzle is arranged on the side wall of the rear section of the core mould 6, and a heater for heating and melting the plastic at the end part of the pipeline is arranged at the front section of the core mould 6. The bottom of the two half-moulds 4 is provided with a transverse sliding groove 9, and the two half-moulds 4 are arranged on the transverse sliding groove 9. The inner diameter of the plastic molding die cavity 7 is equal to the outer diameter of the composite pipe, the inner diameter of the front end of the plastic molding die cavity 7 is slightly smaller than the outer diameter of the composite pipe, a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the front end of the plastic molding die cavity 7, and a layer of high-temperature-resistant sealing rubber is arranged on the inner wall of the closed groove 8. A positioning and clamping structure 12 for the composite tube to be plastically packaged is arranged right in front of the transverse sliding groove 9. The compressing cylinder 2, the telescopic cylinder 5, the plastic sprayer and the heater in the plastic packaging device are all uniformly controlled by the same control system.
The above description is provided for the purpose of describing the present invention in more detail with reference to the specific embodiments, and the detailed implementation of the present invention should not be considered as limited to the description, and the simple substitution made by those skilled in the art without departing from the concept of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (4)
1. Steel skeleton reinforcing polyethylene composite pipe tip plastic envelope device, its characterized in that: the injection molding device comprises a support (10) and an injection molding device arranged on a flat plate (1) at the top of the support (10), wherein the injection molding device consists of two half molds (4) which are transversely and symmetrically arranged and a cylindrical core mold (6) which is longitudinally arranged; the opposite sides of the two half moulds (4) are correspondingly provided with plastic molding die cavities (7), one sides of the two half moulds (4) which are deviated from each other are respectively provided with a pressing cylinder (2), the body of the pressing cylinder (2) is fixed on the top flat plate (1), and the half moulds (4) are fixed at the end parts of telescopic rods (3) of the pressing cylinders; the core mould (6) is fixed on a telescopic rod (11) of the telescopic cylinder (5), the core mould (6) is matched with a closed groove (8) at the rear end of the half mould (4), a plastic nozzle is arranged on the side wall of the rear section of the core mould (6), and a heater for heating and melting plastic at the end part of a pipeline is arranged at the front section of the core mould (6).
2. The plastic package device for the pipe end of the steel skeleton reinforced polyethylene composite pipe as claimed in claim 1, wherein: the bottom of the two half dies (4) is provided with a transverse sliding groove (9), and the two half dies (4) are arranged on the transverse sliding groove (9).
3. The plastic package device for the pipe end of the steel skeleton reinforced polyethylene composite pipe as claimed in claim 1, wherein: and a positioning and clamping structure for the composite tube to be plastically packaged is arranged right in front of the transverse sliding groove (9).
4. The plastic package device for the pipe end of the steel skeleton reinforced polyethylene composite pipe as claimed in claim 1, wherein: the internal diameter of plastic shaping die cavity (7) equals the external diameter of compound pipe, the internal diameter of plastic shaping die cavity (7) front end is less than the external diameter of compound pipe slightly, set one deck high temperature resistant sealing rubber on the inner wall of plastic shaping die cavity (7) front end, also set one deck high temperature resistant sealing rubber on the inner wall of closed groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279312.5A CN109177131B (en) | 2018-10-30 | 2018-10-30 | Plastic package device for end of steel skeleton reinforced polyethylene composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279312.5A CN109177131B (en) | 2018-10-30 | 2018-10-30 | Plastic package device for end of steel skeleton reinforced polyethylene composite pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109177131A CN109177131A (en) | 2019-01-11 |
| CN109177131B true CN109177131B (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811279312.5A Active CN109177131B (en) | 2018-10-30 | 2018-10-30 | Plastic package device for end of steel skeleton reinforced polyethylene composite pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN109177131B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328806B (en) * | 2019-08-14 | 2024-04-26 | 上海邦临管道工程技术有限公司 | Composite reinforced pipe end face treatment equipment and treatment method |
| CN113858632A (en) * | 2021-09-27 | 2021-12-31 | 安源管道实业股份有限公司 | Method and equipment for manufacturing steel skeleton plastic composite pipe fusion sealing opening |
| CN117245903B (en) * | 2023-11-17 | 2024-01-12 | 山东金诚联创管业股份有限公司 | Pipeline sealing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127287A (en) * | 1975-12-17 | 1978-11-28 | Le Carbone (Great Britain) Limited | Pipe joints |
| CN102407601A (en) * | 2011-09-29 | 2012-04-11 | 广东东方管业有限公司 | Method and device for sealing steel wire framework plastic composite pipe |
| CN202862588U (en) * | 2012-06-11 | 2013-04-10 | 泰州申视塑料有限公司 | Steel-skeleton composite tube sealer |
| CN206840696U (en) * | 2017-04-20 | 2018-01-05 | 山东陆宇塑胶工业有限公司 | Sealing plastic-steel composite pipe machine |
| CN206899777U (en) * | 2017-04-25 | 2018-01-19 | 湖北兴欣科技股份有限公司 | Multiple tube closing device and multiple tube closure system |
-
2018
- 2018-10-30 CN CN201811279312.5A patent/CN109177131B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127287A (en) * | 1975-12-17 | 1978-11-28 | Le Carbone (Great Britain) Limited | Pipe joints |
| CN102407601A (en) * | 2011-09-29 | 2012-04-11 | 广东东方管业有限公司 | Method and device for sealing steel wire framework plastic composite pipe |
| CN202862588U (en) * | 2012-06-11 | 2013-04-10 | 泰州申视塑料有限公司 | Steel-skeleton composite tube sealer |
| CN206840696U (en) * | 2017-04-20 | 2018-01-05 | 山东陆宇塑胶工业有限公司 | Sealing plastic-steel composite pipe machine |
| CN206899777U (en) * | 2017-04-25 | 2018-01-19 | 湖北兴欣科技股份有限公司 | Multiple tube closing device and multiple tube closure system |
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| Publication number | Publication date |
|---|---|
| CN109177131A (en) | 2019-01-11 |
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Denomination of invention: Steel frame reinforced polyethylene composite pipe end plastic sealing device Effective date of registration: 20231116 Granted publication date: 20200915 Pledgee: Bank of China Limited Ezhou branch Pledgor: HUBEI XINGXIN TECHNOLOGY CO.,LTD. Registration number: Y2023980065912 |