CN101695867B - Method and device for sticking plastic film on internal and external surfaces and end surface of metal tube - Google Patents
Method and device for sticking plastic film on internal and external surfaces and end surface of metal tube Download PDFInfo
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- CN101695867B CN101695867B CN2009101810575A CN200910181057A CN101695867B CN 101695867 B CN101695867 B CN 101695867B CN 2009101810575 A CN2009101810575 A CN 2009101810575A CN 200910181057 A CN200910181057 A CN 200910181057A CN 101695867 B CN101695867 B CN 101695867B
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Abstract
The invention relates to a method for sticking a plastic film on internal and external surfaces and an end surface of a metal tube, which comprises the following steps that: a plastic tube film of a corresponding size is prepared according to the specifications of the metal tube, and an external surface of the plastic tube film is coated with a layer of hot-melt adhesive; the plastic tube film passes through the inside of the metal tube and is exposed from a spigot end of the metal tube, hot air is used to heat the plastic tube film exposed outside the spigot end of the metal tube, and the plastic tube film exposed outside the spigot end of the metal tube is overturned to be sleeved on an external surface of the spigot end of the metal tube. A device for sticking the plastic film on the internal surface of the metal tube and the external surface of the spigot end comprises a spigot flanging machine, a rotation worktable which can make the metal tube rotate with a center of an axis of the metal tube, an industrial hot-air heater, a vacuum extractor and a heating coil. The invention aims at providing the method and the device for sticking the plastic film on the internal surfaces of the metal tube and the external surface of the spigot end, which ensures the more excellent antiseptic property and longer service life of the metal tube by sticking the plastic film on the internal and external surfaces of the spigot end of the metal tube and the end surface of the metal tube.
Description
Technical field
The present invention relates to a kind of faucet section surfaces externally and internally of the metal pipe material that the metal tube two ends is respectively socket and bellmouth and the method and apparatus of end surface sticking plastic film thereof.
Background technology
Along with continuous progress in science and technology, variation with rapid changepl. never-ending changes and improvements is also taking place in the pipeline industry, and the compound pipeline complex pipeline of various structures emerges in an endless stream in the market, with regard to civilian water supply and sewerage pipeline, mainly is to consider its sanitation performance; With regard to the pipeline that industrial low-pressure delivery has certain Korrosionsmedium, mainly be to consider its antiseptic property, the more typical pipeline that occurs on the market, above-mentioned field mainly contains compound pipeline complex pipelines such as metal tube internal plastic spraying material powder, epoxy resin, polyurethane.Though the metallic conduit of above-mentioned coating has solved the anticorrosion problem of metal tube straight length preferably, two ends are respectively the metal tube of socket and bellmouth, it fails to solve the anticorrosion problem of socket end surface and outer surface thereof.Chinese patent 02114855.4 (publication number CN1367075A) discloses the manufacturing approach of the steel-plastics composite pipe that a kind of coating steel pipe and plastics are composited, and its disclosed technical scheme also fails to solve the overlay film problem of metal tube faucet section outer surface and end outer surface thereof.
Summary of the invention
The object of the present invention is to provide a kind of passing through to make its antiseptic property better, the method and apparatus at metal pipe internal surface and socket end outer surface sticking plastic film of longer service life to metal tube faucet section surfaces externally and internally and end surface sticking plastic film thereof.
Method at metal pipe internal surface and socket end outer surface sticking plastic film of the present invention comprises the steps:
(A) prepare the Plastic tube membrane of corresponding size according to the specification of metal tube, the outer surface of Plastic tube membrane has applied one deck thermosol, and an end of metal tube is a bellmouth, and the other end is a socket;
The Plastic tube membrane that (B) will cover thermosol outward passes in the metal tube and exposes from the socket end of metal tube, seals two ends of Plastic tube membrane then, and injecting compressed air in Plastic tube membrane again expands behind the circle Plastic tube membrane, opens Plastic tube membrane again compressed air is discharged;
(C) be exposed at the Plastic tube membrane of metal tube socket end outside with hot air, Plastic tube membrane is heated to 30～50 ℃;
The outside inversion boot of Plastic tube membrane that (D) will be exposed at metal tube socket end outside is on the outer surface of metal tube socket termination;
(E) from the female end of metal tube to bleeding between metal tube and the Plastic tube membrane, make the certain vacuum of formation between Plastic tube membrane and inner wall of metal tube;
(F) utilize heater coil to move heating metal pipe with certain speed to the bellmouth direction from metal tube socket end; Heating-up temperature to 130～150 ℃, in this process, Plastic tube membrane deliquescing and being close on the inner wall of metal tube owing to be heated; Be heated into the hot melt state attached to the PUR on the Plastic tube membrane outer surface; After the metal tube cooling, PUR will tightly stick together Plastic tube membrane and metal tube, thereby is implemented in metal tube faucet section surfaces externally and internally and end surface sticking plastic film thereof.
Method at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention; Also comprise in the wherein said step (A) the metal tube surface is handled, dispose the lip-deep grease of metal tube, dust, rust stain, moisture and various other external attachments; The temperature of hot-air is 60～80 ℃ in the said step (C), and when utilizing hot air to be exposed at the Plastic tube membrane of socket end outside of metal tube, metal tube and Plastic tube membrane are that the center is in rotation status with the axis of metal tube; The length of in the said step (D) outer surface of metal tube socket end being carried out overlay film is 100-120mm.
Realize the equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention; Comprise the socket flanger, can let the metal tube be rotary table, industrial air-heater, vaccum-pumping equipment and the heater coil that the center is in rotation status with the axis of metal tube; Said socket flanger is positioned at the left side of rotary table; A plurality of supports of socket flanger are expanded piece towards rotary table; The air outlet of said industrial air-heater links to each other with the air inlet of air-supply pipeline, and the air outlet of air-supply pipeline is positioned at the left end of said rotary table.
Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention, wherein said socket flanger comprises carriage, the wheel of carriage is placed in two along on the guide rail of left and right horizontal direction laying; Guide rail is installed on the ground, and said carriage adopts hydraulic oil cylinder driving, and it is reciprocating along guide rail, on carriage, is provided with hoistable platform; Hoistable platform is provided with two tracks that horizontal direction is laid along front and back, lays dolly on two tracks, and dolly links to each other with drive unit through transmission device; Drive unit is installed on the said hoistable platform; Feed cylinder and stand are installed on the said dolly, and the piston rod of feed cylinder promotes stand and moves along the left and right horizontal direction, and stand upper edge left and right horizontal direction is provided with the bloated oil cylinder of support; The piston rod of the bloated oil cylinder of support links to each other with the left end of the sleeve that is provided with along the left and right horizontal direction; The two ends of sleeve are respectively equipped with forward and backward two groups of push-pull device at fixed, and every group of device comprises 6-16 pull bar respectively, and the pull bar of every group of device distributes around sleeve respectively equably; The outside of two groups of push-pull device at fixed is provided with the bloated piece of the support that equates with every group of pull bar quantity; The inner end of the pull bar of every group of device links to each other with the side walls hinged of sleeve respectively, and the outer end of the pull bar of every group of device is hinged and connected with the bloated piece of the support that is positioned at its outside respectively, and the bloated piece of each support can be slidably mounted on respectively on two guide posts; The axis normal of each guide post intersects in the axis of the piston rod of the bloated oil cylinder of said support and with it, and all guide posts are installed in the said stand.
Method and apparatus at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention; It adopts unique processing step and design; Solved the long-term unsolved technical barrier of those skilled in the art; On industry, realized at metal tube surfaces externally and internally and end surface sticking plastic film thereof, thereby made the antiseptic property of metal tube better, service life is also longer.Therefore, the method and apparatus at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention has outstanding substantive distinguishing features and obvious improvement.
Below in conjunction with combining accompanying drawing that the method and apparatus at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention is described further.
Description of drawings
Fig. 1 is the device structure sketch map at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention;
Fig. 2 is the front view of socket flanger of the present invention;
Fig. 3 is the structural representation that the bloated piece of the support of socket flanger of the present invention inserts Plastic tube membrane;
Fig. 4 is the structural representation that the bloated piece of the support of socket flanger of the present invention struts Plastic tube membrane;
Fig. 5 is that the support of socket flanger of the present invention is expanded piece with the structural representation of the outside inversion boot of Plastic tube membrane in metal tube socket termination.
The specific embodiment
As shown in Figure 1; Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention; Comprise socket flanger 1, can let the metal tube 15 be rotary table 2, industrial air-heater 3, vaccum-pumping equipment and the heater coil that the center is in rotation status with the axis of metal tube; Rotary table 2 upper edge left and right horizontal directions are mounted with metal tube 15, and the right-hand member of metal tube 15 is a bellmouth, and left end is a socket; Socket flanger 1 is positioned at the left side of rotary table 2; A plurality of supports of socket flanger 1 are expanded piece 4 towards rotary table 2, and the air outlet of industrial air-heater 3 links to each other with the air inlet of air-supply pipeline 18, and the air outlet of air-supply pipeline 18 is positioned at the left end of rotary table 2.
As shown in Figure 2, socket flanger 1 comprises carriage 5, and the wheel of carriage 5 is placed in two along on the guide rail 11 of left and right horizontal direction laying; Guide rail 11 is installed on the ground, and carriage 5 adopts oil cylinder 6 drivings, and it is reciprocating along guide rail 11, on carriage 5, is provided with hoistable platform 7; Hoistable platform 7 is provided with two along laying dolly 8 on 10, two tracks 10 of track of front and back horizontal direction laying, and dolly 8 is adjusted its horizontal level through manual operation; Feed cylinder 19 and stand 9 are installed on the dolly 8; The piston rod of feed cylinder 19 promotes stand 9 and moves along the left and right horizontal direction, and stand 9 upper edge left and right horizontal directions are provided with the bloated oil cylinder 12 of support, and the piston rod of the bloated oil cylinder 12 of support links to each other with the left end of the sleeve 17 that is provided with along the left and right horizontal direction; The two ends of sleeve 17 are respectively equipped with forward and backward two groups of push-pull device at fixed; Every group of device comprises 8 pull bars 13 respectively, and the quantity of pull bar 13 also can be other quantity between 6-16, and the pull bar 13 of every group of device distributes around sleeve 17 respectively equably; The outside of two groups of push-pull device at fixed is provided with the bloated piece 4 of the support that equates with every group of pull bar quantity; Pull bar 13 inner ends of every group of device link to each other with the side walls hinged of sleeve 17 respectively, and the outer end of the pull bar 13 of every group of device is hinged and connected with the bloated piece 4 of the support that is positioned at its outside respectively, and the bloated piece 4 of each support can be slidably mounted on respectively on two guide posts 14; The axis normal of each guide post 14 intersects in the axis of the piston rod of the bloated oil cylinder 12 of support and with it, and all guide posts 14 are installed in the stand 9.
Above-mentioned socket flanger in use; The position of the left and right horizontal direction of oil cylinder 6 adjustment carriages 5 capable of using; Utilize the position of drive unit (not drawing among the figure) adjustment dolly 8 horizontal direction along front and back; Let support expand piece 4 near metal tube 15; Through feed cylinder 19 a plurality of supports piece 4 that expands is inserted in the Plastic tube membrane 16 of socket end of metal tubes 15 synchronously then, lets the support oil cylinder 12 support distendings supports piece 4 that expands that expands again, then feed cylinder 19 let to the right support expand piece with the outside inversion boot of Plastic tube membrane in metal tube socket termination.
Method at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present invention comprises the steps:
(A) prepare the Plastic tube membrane of corresponding size according to the specification of metal tube; The outer surface of Plastic tube membrane has applied one deck thermosol; One end of metal tube is a bellmouth; The other end is a socket, and the metal tube surface is handled, and disposes the lip-deep grease of metal tube, dust, rust stain, moisture and various other external attachments;
The Plastic tube membrane that (B) will cover thermosol outward passes in the metal tube and exposes from the socket end of metal tube; Seal two ends of Plastic tube membrane then; Injecting compressed air in Plastic tube membrane again expands behind the circle profile of Plastic tube membrane, opens Plastic tube membrane again compressed air is discharged;
(C) be exposed at the Plastic tube membrane of the socket end outside of metal tube with hot air; The temperature of hot-air is 60～80 ℃; Plastic tube membrane is heated (temperature) to 30～50 ℃; When utilizing hot air to be exposed at the Plastic tube membrane of socket end outside of metal tube, metal tube and Plastic tube membrane are that the center is in rotation status with the axis of metal tube;
(D) like Fig. 3, Fig. 4 and shown in Figure 5; Utilize a plurality of supports to expand Plastic tube membrane 16 outside inversion boot that piece 4 will be exposed at metal tube 15 socket ends outside are on the outer surface of metal tube 15 socket terminations; Metal tube 15 faucet section surfaces externally and internallies and end outer surface thereof are carried out overlay film, and the length of the outer surface of metal tube 15 faucet section being carried out overlay film is 100-120mm;
(E) from the female end of metal tube to vacuumizing between metal tube and the Plastic tube membrane, make the certain vacuum of formation between Plastic tube membrane and inner wall of metal tube;
(F) utilize heater coil to move heating metal pipe with certain speed to the bellmouth direction from metal tube socket end; Heating-up temperature to 130～150 ℃, in this process, Plastic tube membrane deliquescing and being close on the inner wall of metal tube owing to be heated; Be heated into the hot melt state attached to the PUR on the Plastic tube membrane outer surface; After the metal tube cooling, PUR will tightly stick together Plastic tube membrane and metal tube, thereby is implemented in metal tube surfaces externally and internally and end surface sticking plastic film thereof.
Embodiment recited above describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the spiritual prerequisite not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (1)
1. equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof; It is characterized in that: comprise socket flanger (1), can let the metal tube (15) be rotary table (2), industrial air-heater (3), vaccum-pumping equipment and the heater coil that the center is in rotation status with the axis of metal tube; Said socket flanger (1) is positioned at the left side of rotary table (2); A plurality of supports of socket flanger (1) are expanded piece (4) towards rotary table (2), and the air outlet of said industrial air-heater (3) links to each other with the air inlet of air-supply pipeline (18), and the air outlet of air-supply pipeline (18) is positioned at the left end of said rotary table (2); Said socket flanger (1) comprises carriage (5); The wheel of carriage (5) is placed on two guide rails of laying along the left and right horizontal direction (11), and carriage (5) adopts oil cylinder (6) to drive that it is reciprocating along guide rail (11), on carriage (5), is provided with hoistable platform (7); Hoistable platform (7) is provided with two tracks (10) that horizontal direction is laid along front and back; Lay dolly (8) on two tracks (10), dolly (8) is adjusted its horizontal level through manual operation, and feed cylinder (19) and stand (9) are installed on the said dolly (8); The piston rod of feed cylinder (19) promotes stand (9) and moves along the left and right horizontal direction; Stand (9) upper edge left and right horizontal direction is provided with the bloated oil cylinder (12) of support, and the piston rod of the bloated oil cylinder (12) of support links to each other with the left end of the sleeve (17) that is provided with along the left and right horizontal direction, and the two ends of sleeve (17) are respectively equipped with forward and backward two groups of push-pull device at fixed; Every group of device comprises 6-16 pull bar (13) respectively; The pull bar of every group of device (13) distributes around sleeve (17) respectively equably, and the outside of two groups of push-pull device at fixed is provided with the bloated piece (4) of the support that equates with every group of pull bar quantity, the inner end of the pull bar of every group of device (13) respectively with side walls hinged the linking to each other of sleeve (17); The outer end of the pull bar of every group of device (13) is hinged and connected with the bloated piece (4) of the support that is positioned at its outside respectively; The bloated piece (4) of each support can be slidably mounted on respectively on two guide posts (14), and the axis normal of each guide post (14) intersects in the axis of the piston rod of the bloated oil cylinder (12) of said support and with it, and all guide posts (14) are installed in the said stand (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101810575A CN101695867B (en) | 2009-10-27 | 2009-10-27 | Method and device for sticking plastic film on internal and external surfaces and end surface of metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101810575A CN101695867B (en) | 2009-10-27 | 2009-10-27 | Method and device for sticking plastic film on internal and external surfaces and end surface of metal tube |
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| Publication Number | Publication Date |
|---|---|
| CN101695867A CN101695867A (en) | 2010-04-21 |
| CN101695867B true CN101695867B (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101810575A Active CN101695867B (en) | 2009-10-27 | 2009-10-27 | Method and device for sticking plastic film on internal and external surfaces and end surface of metal tube |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106217916B (en) * | 2016-08-05 | 2018-08-24 | 四川比耐斯管业有限公司 | A kind of manufacture system and its manufacturing method of composite steel tube |
| CN109225756A (en) * | 2018-11-05 | 2019-01-18 | 福建亚通新材料科技股份有限公司 | A kind of multiple tube protective layer coating line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586871A (en) * | 2004-07-01 | 2005-03-02 | 新兴铸管股份有限公司 | Process for coating plastic film in metal pipeline |
| CN1695929A (en) * | 2004-05-12 | 2005-11-16 | 有限会社横岛 | Pipelining member and its mfg. method |
| CN101468517A (en) * | 2008-04-01 | 2009-07-01 | 新兴铸管股份有限公司 | Technological process for coating plastic film in metal tube and equipment for coating film on bell |
| CN201525129U (en) * | 2009-10-27 | 2010-07-14 | 新兴铸管股份有限公司 | Device for applying a plastic film on inside, outside surfaces and an end surface of a metal tube |
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2009
- 2009-10-27 CN CN2009101810575A patent/CN101695867B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695929A (en) * | 2004-05-12 | 2005-11-16 | 有限会社横岛 | Pipelining member and its mfg. method |
| CN1586871A (en) * | 2004-07-01 | 2005-03-02 | 新兴铸管股份有限公司 | Process for coating plastic film in metal pipeline |
| CN101468517A (en) * | 2008-04-01 | 2009-07-01 | 新兴铸管股份有限公司 | Technological process for coating plastic film in metal tube and equipment for coating film on bell |
| CN201525129U (en) * | 2009-10-27 | 2010-07-14 | 新兴铸管股份有限公司 | Device for applying a plastic film on inside, outside surfaces and an end surface of a metal tube |
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| CN101695867A (en) | 2010-04-21 |
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