CN201525129U

CN201525129U - Device for applying a plastic film on inside, outside surfaces and an end surface of a metal tube

Info

Publication number: CN201525129U
Application number: CN2009202203062U
Authority: CN
Inventors: 申勇; 宋亚峰; 叶丙义; 刘延学; 段欣
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2009-10-27
Filing date: 2009-10-27
Publication date: 2010-07-14
Anticipated expiration: 2019-10-27

Abstract

Device for applying a plastic film on inside, outside surfaces and an end surface of a metal tube comprises a faucet flanger (1), a rotary work table (2) capable of making the metal tube (15) at rotary state using the axle of the metal tube as the center, an industry air heater (3), a vacuum pumping device and a heating coil, wherein the faucet flanger (1) is at the left side of the rotary work table (2) and a plurality of expanding blocks (4) of the faucet flanger (1) are towards the rotary work table (2) and an air outlet of the industry air heater (3) is connected with an air inlet of a blast tube (18) and an air outlet of the blast tube (18) is at the left end of the rotary work table (2). The object of the utility model is to provide a device for applying a plastic film on inside, outside surfaces and the end surface of the metal tube in the faucet segment with features of better antiseptic property and longer service life.

Description

Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof

Technical field

The utility model relates to a kind of faucet section surfaces externally and internally of the tubing that the metal tube two ends is respectively socket and bellmouth and the equipment 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 manufacture method 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.

The utility model content

It is a kind of by to metal tube faucet section surfaces externally and internally and end surface sticking plastic film thereof that the purpose of this utility model is to provide, and makes its antiseptic property better, the equipment at metal pipe internal surface and socket end outer surface sticking plastic film of longer service life.

Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present utility model, comprise the socket flanger, can allow 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, described 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 described 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 described rotary table.

Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present utility model, 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, described carriage adopts hydraulic oil cylinder driving, and it is reciprocating along guide rail, on carriage, be provided with hoistable platform, hoistable platform is provided with two tracks of laying along the front and back horizontal direction, lay dolly on two tracks, dolly links to each other with drive unit by transmission device, drive unit is installed on the described hoistable platform, feed cylinder and stand are installed on the described dolly, the piston rod of feed cylinder promotes stand and moves along the left and right horizontal direction, 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, before the two ends of sleeve are respectively equipped with, the two groups of push-pull device at fixed in back, every group of device comprises 6-16 pull bar respectively, 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, 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, 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 described support and with it, and all guide posts are installed in the described stand.

Equipment at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present utility model, it adopts the unique design combination, 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 make 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 utility model has outstanding substantive distinguishing features and obvious improvement.

Below in conjunction with in conjunction with the accompanying drawings the method and apparatus at metal tube surfaces externally and internally and end surface sticking plastic film thereof described in the utility model being described further.

Description of drawings

Fig. 1 is the device structure schematic diagram at metal tube surfaces externally and internally and end surface sticking plastic film thereof of the present utility model;

Fig. 2 is the front view of socket flanger of the present utility model;

Fig. 3 is the structural representation that the bloated piece of the support of socket flanger of the present utility model inserts Plastic tube membrane;

Fig. 4 is the structural representation that the bloated piece of the support of socket flanger of the present utility model struts Plastic tube membrane;

Fig. 5 is that the support of socket flanger of the present utility model 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, comprise socket flanger 1, can allow the metal tube 15 be the rotary table 2 that the center is in rotation status with the axis of metal tube, industry air-heater 3, vaccum-pumping equipment and heater coil, rotary table 2 upper edge left and right horizontal directions are mounted with metal tube 15, the right-hand member of metal tube 15 is a bellmouth, 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, the air outlet of industry 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, 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, carriage 5 adopts oil cylinder 6 drivings, and it is reciprocating along guide rail 11, on carriage 5, be provided with hoistable platform 7, hoistable platform 7 is provided with two tracks of laying along the front and back horizontal direction 10, lay dolly 8 on two tracks 10, dolly 8 is adjusted its horizontal level by 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, stand 9 upper edge left and right horizontal directions are provided with the bloated oil cylinder 12 of support, 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, before the two ends of sleeve 17 are respectively equipped with, the two groups of push-pull device at fixed in back, every group of device comprises 8 pull bars 13 respectively, the quantity of pull bar 13 also can be other quantity between 6-16, 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, 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, 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, can utilize oil cylinder 6 to adjust the position of the left and right horizontal direction of carriage 5, utilize drive unit (not drawing among the figure) to adjust the position of dolly 8 along the front and back horizontal direction, allow support expand piece 4 near metal tube 15, then by in the Plastic tube membrane 16 of feed cylinder 19 with the socket end of the bloated piece 4 synchronous insertion metal tubes 15 of a plurality of supports, allow the support oil cylinder 12 support distendings supports piece 4 that expands that expands again, then feed cylinder 19 allow 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 utility model 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, the metal tube surface is handled, dispose the lip-deep grease of metal tube, dust, rust stain, moisture and various other external attachments;

(B) Plastic tube membrane that 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) as Fig. 3, Fig. 4 and shown in Figure 5, utilize the bloated piece 4 of a plurality of supports will be exposed at the Plastic tube membrane 16 outside inversion boot of metal tube 15 socket ends outside 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 is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineers and technicians in this area make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.

Claims

1. at the equipment of metal tube surfaces externally and internally and end surface sticking plastic film thereof, it is characterized in that: comprise socket flanger (1), can allow the metal tube (15) be the rotary table (2) that the center is in rotation status with the axis of metal tube, industry air-heater (3), vaccum-pumping equipment and heater coil, described 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), the air outlet of described 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 described rotary table (2).

2. the equipment at metal pipe internal surface and socket end outer surface sticking plastic film according to claim 2, it is characterized in that: described socket flanger (1) comprises carriage (5), the wheel of carriage (5) is placed in two along on the guide rail (11) of left and right horizontal direction laying, carriage (5) adopts oil cylinder (6) to drive that it is reciprocating along guide rail (11), on carriage (5), be provided with hoistable platform (7), hoistable platform (7) is provided with two tracks of laying along the front and back horizontal direction (10), lay dolly (8) on two tracks (10), dolly (8) is adjusted its horizontal level by manual operation, feed cylinder (19) and stand (9) are installed on the described 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, 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, before the two ends of sleeve (17) are respectively equipped with, the two groups of push-pull device at fixed in back, 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, 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), the axis normal of each guide post (14) intersects in the axis of the piston rod of the bloated oil cylinder (12) of described support and with it, and all guide posts (14) are installed in the described stand (9).