CN2818123Y - Plastic lining device of medium-frequency heating steel pipe - Google Patents
Plastic lining device of medium-frequency heating steel pipe Download PDFInfo
- Publication number
- CN2818123Y CN2818123Y CN 200520013833 CN200520013833U CN2818123Y CN 2818123 Y CN2818123 Y CN 2818123Y CN 200520013833 CN200520013833 CN 200520013833 CN 200520013833 U CN200520013833 U CN 200520013833U CN 2818123 Y CN2818123 Y CN 2818123Y
- Authority
- CN
- China
- Prior art keywords
- plug
- steel pipe
- cock body
- plastic tube
- inner lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic lining device of medium-frequency heating steel pipes. The utility model comprises a shell cover device for processing both ends of steel pipes, an inflating mechanism, a conveying mechanism for processing steel pipes and a heating device, wherein the heating device uses a medium-frequency induction heating winding, the shell cover device is a pair of self-lock sealing stoppers, wherein one stopper is in a flat cover bottle stopper shape, the central of the stopper is provided with an axial through hole, an outer end opening of the through hole is provided with a self-sealing quick joint, the other stopper is a right cylinder plug, the outer end part of a plug body is provided with ring grooves matched with semicircular clamping rings and the inner end surfaces of plug bodies of the two stoppers are movably connected through a tension spring. The utility model changes heating devices of traditional large fuel furnaces and complex cylinder pushing and pressing sealing shell cover devices and has the advantages of simplified operation, reduced environmental pollution, low investment, low cost and high production efficiency.
Description
Technical field
The utility model relates to a kind of processing unit (plant) of plastic lining composite steel pipe.
Background technology
Existing pipe plastic liner processing unit (plant), cylinder, the aerating device by cylinder pressurising in the plastic lining steel pipe and fuel heating furnace and the equipment water jetting cooler at two ends that is lined with the steel pipe of plastic tube in being sealed up by roof pressure formed.The shortcoming that this processing unit (plant) exists is that structure is complicated, and equipment volume is huge, and production efficiency owes high.
Summary of the invention
The purpose of this utility model is that equipment volume is little for pipe plastic liner production provides a kind of structure simpler, operate more convenient, and the high processing unit (plant) of production efficiency.
The technical solution that realizes above-mentioned purpose is: the end socket device that is lined with the processing steel pipe two ends of plastic tube in it comprises, the inflation mechanism of pressurising in inner lining plastic tube, connecting gear and heater in the processing steel pipe process, heater adopts the Frequency Induction Heating coil, in be lined with the processing steel pipe two ends of plastic tube the end socket device be a pair of self-locking seal plug, wherein an end plug is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube, the cock body center offers axially extending bore, and in this axially extending bore external port inflation is installed and uses self-enclosed snap joint, other end plug is the right cylinder plug that diameter is slightly less than the plastic lining bore, offer the annular groove that matches with half-round clamping ring in the end beyond the Great Wall at right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring, flexibly connect mutually by extension spring between the two plug inner faces, on the inner lining plastic tube that stretches outside the steel pipe two ends, be with the anti-induction copper sheathing, be provided with sealing ring between the cock body of two plugs and the plastic liner.
The beneficial effects of the utility model are: heater has substituted traditional fuel heating furnace with the Frequency Induction Heating coil, the end socket device has then substituted complicated cylinder top means of press seals with simple self-locking seal plug, thereby simplified the single unit system structure greatly, dwindled device volume, easy operation, improve production environment, reduced environmental pollution.The utility model reduced investment, the production efficiency height, cost is low.
Description of drawings
Accompanying drawing 1 is a general structure schematic diagram of the present utility model.
Accompanying drawing 2 is the side view of Fig. 1.
Accompanying drawing 3 is that self-locking seal plug of the present utility model is installed on the structural representation on the process pipeline.
The specific embodiment
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing.
A pair of self- locking seal plug 13,18 is processed by steel.Wherein an end plug 13 is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube 12, cock body flat cover diameter equals the external diameter of steel pipe 11, offer axially extending bore 21 in the cock body, and inflation being installed with self-enclosed snap joint 8 in axially extending bore 21 external port, the cock body inner face is provided with draw ring 14; Other end plug 18 is slightly less than the right cylinder plug of plastic lining bore for diameter, offer the annular groove that matches with half-round clamping ring 19 in the end beyond the Great Wall at right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring 20, the inner face center is provided with the extension spring connecting rod 17 of reinforcement fabrication, one end of extension spring 16 is connected with connecting rod 17, and the other end links to each other with the drag hook connecting rod 15 that front end is provided with drag hook.Sealing ring 10 is installed in the cock body of plug 13,18 and the annular groove that 12 liang of matched places of revealed section of inner lining plastic tube are offered.Processing steel pipe 2 is to be made of steel pipe 11 and the inner lining plastic tube 12 of pressing close to the insertion of steel pipe 11 inwalls, and inner lining plastic tube slightly is longer than steel pipe 11, and puts anti-induction copper sheathing 9 on the pipeline section that stretches the inner lining plastic tube 12 outside steel pipe 11 two ends.As accompanying drawing 2, begin to add man-hour, to connect connecting rod 17 earlier, extension spring 16, the plug 18 of drag hook connecting rod 15 penetrates in the inner lining plastic tube of processing steel pipe 2 from right to left, hook draw ring 14 on plug 13 inner faces until the drag hook that makes drag hook connecting rod 15 front ends, the draw ring 20 that hook plug 18 outer faces on instrument this moment is pulled outwardly, when the annular groove of plug 18 is exposed to outside the processing steel pipe mouth of pipe, in annular groove, insert half-round clamping ring 19, so plug 13,18 under the effect that connects extension spring 16, promptly block the two-port of processing steel pipe 2, plug 13, sealing ring 10 on 18 just in time is in two revealed sections of the lower inner lining plastic tube 12 of anti-induction copper sheathing 9 below temperature; To inner lining plastic tube in fill compression air by the inflation on the plug 13 with self-enclosed snap joint 8 by source of the gas 1 this moment, and the blowing pressure is 0.2～0.4MPa; Completely charged steel pipe to be processed is placed by plurality of V shape grooved roller wheel 6 and power transmission shaft 5 thereof, on the monorail-type roller-way that driving-chain 4 constitutes, by being placed in the middle Frequency Induction Heating coil 3 of track, finish heating process with suitable speed; Then via 7 coolings of the spray equipment on the roller-way; Inflate with the compressed air in the release thimble drain of self-enclosed snap joint 8 by extruding; Dismounting removes to process the plug 13,18 and the anti-induction copper sheathing 9 at steel pipe two ends; Cut away inner lining plastic tube 12 at last and be longer than the plastics pipeline section of steel pipe part, promptly get the plastic lining composite steel pipe product.
Claims (4)
1, a kind of heating in medium frequency pipe plastic liner device, the end socket device that comprises the processing steel pipe two ends of inner lining plastic tube, the inflation mechanism of pressurising in inner lining plastic tube, the connecting gear and the heater of processing steel pipe process, it is characterized in that heater adopts Frequency Induction Heating coil (3), the end socket device at processing steel pipe (2) two ends of inner lining plastic tube is an a pair of self-locking seal plug (13) (18), wherein an end plug (13) is flat cover bottle stopper shape, the cock body external diameter is slightly less than the internal diameter of inner lining plastic tube (12), the cock body center offers axially extending bore (21), and inflation is installed with self-enclosed snap joint (8) in this axially extending bore (21) external port, other end plug is the right cylinder plug that diameter is slightly less than inner lining plastic tube (12) internal diameter, offer the annular groove that matches with half-round clamping ring (19) in the end beyond the Great Wall at right cylinder, right cylinder end face beyond the Great Wall is provided with draw ring (20), two plugs (13), (18) flexibly connect mutually by extension spring (16) between the cock body inner face, on the plastic lining pipeline section that stretches outside the steel pipe two ends, be with anti-induction copper sheathing (9), be provided with sealing ring (10) between the cock body of two plugs and the inner lining plastic tube (12).
2, by the described heating in medium frequency pipe plastic liner device of claim 1, it is characterized in that the extension spring moving connecting mechanism between the cock body inner face of two plugs (13) (18) is the connecting rod (17) that is fixed in plug (18) cock body inner face center that is connected by extension spring (16), extension spring (16) one ends, extension spring (16) its front end that the other end connected is provided with the drag hook connecting rod (15) of drag hook, and the draw ring (14) that is fixed on plug (13) the cock body inner face is formed.
3,, it is characterized in that sealing ring (10) is to be installed in the cock body of plug (13), (18) and the annular groove that the matched place of inner lining plastic tube (12) two revealed sections is offered by claim 1 or 2 described heating in medium frequency pipe plastic liner devices.
4, by the described heating in medium frequency pipe plastic liner device of claim 1, the connecting gear that it is characterized in that processing the steel pipe process is by plurality of V shape grooved roller wheel (6), and the monorail-type roller-way that constitutes of power transmission shaft (5), driving-chain (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013833 CN2818123Y (en) | 2005-08-04 | 2005-08-04 | Plastic lining device of medium-frequency heating steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013833 CN2818123Y (en) | 2005-08-04 | 2005-08-04 | Plastic lining device of medium-frequency heating steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818123Y true CN2818123Y (en) | 2006-09-20 |
Family
ID=37004175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013833 Expired - Lifetime CN2818123Y (en) | 2005-08-04 | 2005-08-04 | Plastic lining device of medium-frequency heating steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818123Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361805C (en) * | 2005-08-04 | 2008-01-16 | 浙江金洲管道科技股份有限公司 | Intermediate frequency heating pipe plastic liner device |
| CN101850611A (en) * | 2010-03-12 | 2010-10-06 | 浙江金洲管道科技股份有限公司 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
| CN111086217A (en) * | 2018-10-23 | 2020-05-01 | 凯全电子(重庆)有限公司 | Hot melting jig |
-
2005
- 2005-08-04 CN CN 200520013833 patent/CN2818123Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361805C (en) * | 2005-08-04 | 2008-01-16 | 浙江金洲管道科技股份有限公司 | Intermediate frequency heating pipe plastic liner device |
| CN101850611A (en) * | 2010-03-12 | 2010-10-06 | 浙江金洲管道科技股份有限公司 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
| CN101850611B (en) * | 2010-03-12 | 2013-02-20 | 浙江金洲管道科技股份有限公司 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
| CN111086217A (en) * | 2018-10-23 | 2020-05-01 | 凯全电子(重庆)有限公司 | Hot melting jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080116 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |