CN202986105U - Electromagnetic induction heater for welding plastic-steel composite pipe with plastic pipe fitting - Google Patents
Electromagnetic induction heater for welding plastic-steel composite pipe with plastic pipe fitting Download PDFInfo
- Publication number
- CN202986105U CN202986105U CN 201320016482 CN201320016482U CN202986105U CN 202986105 U CN202986105 U CN 202986105U CN 201320016482 CN201320016482 CN 201320016482 CN 201320016482 U CN201320016482 U CN 201320016482U CN 202986105 U CN202986105 U CN 202986105U
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- Prior art keywords
- electromagnetic induction
- steel
- plastic
- pipe
- composite pipe
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- 229920003023 plastic Polymers 0.000 title claims abstract description 76
- 239000004033 plastic Substances 0.000 title claims abstract description 76
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000003466 welding Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004023 plastic welding Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model discloses an electromagnetic induction heater for welding a plastic-steel composite pipe with a plastic pipe fitting, and belongs to a heating device; heating of a steel pipe layer is not uniform for current pipe connecting clamps; the electromagnetic induction heater of the utility model comprises at least two electromagnetic induction units; the electromagnetic induction units are hinged to each other in sequence to surround a ring shape; each electromagnetic induction unit comprises a cambered surface-shaped support, and a solenoid and magnetic steel assembled on the cambered surface-shaped support; the magnetic field intensity of the magnetic steel assembled at the peripheral part of the cambered surface-shaped support of each electromagnetic induction unit is larger than the magnetic field intensity of the magnetic steel assembled at the central part of the cambered surface-shaped support. Therefore, when a plastic-steel composite pipe is heated, the whole steel pipe layer is uniformly heated, which ensures welding quality; no rotation of a pipe connecting clamp around a plastic pipe fitting is necessary during heating, which is convenient for operation.
Description
Technical field
The utility model belongs to heater, specifically a kind of electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe.
Background technology
The welding of steel-plastics composite pipe and plastic pipe, be in the past with mould first with the inner plastic layer of steel-plastics composite pipe and outer plastic layer heating and melting, with the internal ring wall of plastic pipe and external annulus also heating and melting, again steel-plastics composite pipe is inserted in the birdsmouth between plastic pipe internal ring wall, external annulus, realize inner plastic layer and the internal ring wall welding of plastic pipe, the outer plastic layer of steel-plastics composite pipe and the external annulus welding of plastic pipe of steel-plastics composite pipe.Such welding mode is difficult to guarantee the axiality of steel-plastics composite pipe and plastic pipe after welding, is not easy to the on-the-spot pipeline of laying.
Occurred a kind of method (referring to the scheme of No. 201010188512.7 Chinese invention patent applications) that pipeline (just steel-plastics composite pipe inserts in the birdsmouth of plastic pipe) is implemented welding again of first laying on the existing market, implemented this method and need to use electromagnetic induction heater.application number is 201110174570.9, 201120220413.2 Chinese patent literature disclosed a kind of pipe welding fixture, the magnetospheric magnetic field distribution that distributes on two hoop plates of this pipe welding fixture is even, the magnetic field intensity of two hoop plate seam crossings is less than normal, therefore when energising heat steel-plastics composite pipe corresponding two bind round the plate seam crossings steel-plastics composite pipe steel pipe layer vortex phenomenon a little less than, generate heat slower, heating to whole steel pipe layer is inhomogeneous, in order to guarantee the welding quality, need to will manage welding fixture and rotate an angle around plastic pipe in heating process, make troubles to operation, and the job site does not allow to rotate the pipe welding fixture yet in some cases.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the existing pipe welding fixture defective inhomogeneous to the heating of steel pipe layer, and a kind of electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe is provided.
For achieving the above object, electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe of the present utility model, it comprises at least two electromagnetic induction unit, each electromagnetic induction unit is hinged and can embrace ringwise successively, each electromagnetic induction unit comprises the arc surfaced support and is assemblied in solenoid, magnet steel on described arc surfaced support, it is characterized in that: be assemblied in the magnetic field intensity of magnet steel at arc surfaced bracket edge position of each described electromagnetic induction unit greater than the magnetic field intensity of the magnet steel that is assemblied in this arc surfaced support middle part.
As the optimization technique means: the solenoid of each described electromagnetic induction unit, the outside that magnet steel is assemblied in described arc surfaced support successively.Further, the outside of described arc surfaced support is provided with groove, and described solenoid is laid in described groove.The two ends of described arc surfaced support have the flanging that is folded to the outside.The thickness of described arc surfaced support is 0.5-3mm.The outside of described solenoid, magnet steel is covered with overcoat.
As the optimization technique means: the solenoid series connection of each electromagnetic induction unit or in parallelly and common connect an external power supply plug.
As the optimization technique means: described electromagnetic induction unit is 3.
As the optimization technique means: connect rigid hinge at the edge of two adjacent electromagnetic induction unit or flexible hinge is realized described hinged.
The beneficial effects of the utility model are: the magnetic field intensity of the magnet steel at the arc surfaced bracket edge position by being assemblied in each electromagnetic induction unit is greater than the magnetic field intensity of the magnet steel that is assemblied in this arc surfaced support middle part, make up the magnetic field intensity of adjacent two electromagnetic induction unit seam crossings, when steel-plastics composite pipe is heated, whole steel pipe layer generates heat evenly thereby make, guarantee the welding quality, do not need in heating process the pipe welding fixture is rotated around plastic pipe, easy to operate.
Description of drawings
Fig. 1 is a kind of cross section structure schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of the arc surfaced support of three electromagnetic induction unit of the present utility model;
Fig. 3 is the schematic diagram before steel-plastics composite pipe inserts the plastic pipe birdsmouth;
Fig. 4 is the schematic diagram of after steel-plastics composite pipe insertion plastic pipe birdsmouth, electromagnetic induction heater of the present utility model being embraced to the plastic pipe periphery;
To be electromagnetic induction heater of the present utility model implement the schematic diagram of heating to the steel-plastics composite pipe of pegging graft and plastic pipe to Fig. 5;
Fig. 6 is the schematic diagram after steel-plastics composite pipe and plastic pipe welding;
The number in the figure explanation:
The 01-plastic pipe, 11-internal ring wall, 12-external annulus, 13-birdsmouth;
The 02-steel-plastics composite pipe, 21-inner plastic layer, 22-steel pipe layer, 23-outer plastic layer;
The 03-electromagnetic induction heater, 31-electromagnetic induction unit, 32-arc surfaced support, 33-solenoid, 34-magnet steel, 35-flanging, 36-overcoat, 37-flexible hinge, the thickness of T-arc surfaced support.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described further.
electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe of the present utility model, as shown in Figure 1, it comprises that at least two the illustrated electromagnetic induction of electromagnetic induction unit 31(unit are 3, the experiment proved that, the electromagnetic induction unit that 3 grades are large can reach the technique effect that is better than 2 electromagnetic induction unit), each electromagnetic induction unit 31 is hinged and can embrace ringwise successively, each electromagnetic induction unit 31 comprises that arc surfaced support 32(is referring to Fig. 2) and be assemblied in solenoid 33 on arc surfaced support 32, magnet steel 34, be assemblied in the magnetic field intensity of magnet steel of arc surfaced support 32 edges of each electromagnetic induction unit 31 greater than the magnetic field intensity of the magnet steel that is assemblied in this arc surfaced support middle part.During concrete enforcement, the magnet steel of available same size and realizing by changing arranging density, perhaps the magnet steel at arc surfaced bracket edge position is selected the larger realization of magnetic field intensity.
Concrete: the solenoid 33 of each electromagnetic induction unit 31, the outside that magnet steel 34 is assemblied in arc surfaced support 32 successively.The outside of arc surfaced support 32 is provided with groove, and solenoid 33 is laid in groove, can effectively reduce the thickness of arc surfaced support, and the magnetic field that is beneficial to solenoid and magnet steel imposes on the steel pipe layer of steel-plastics composite pipe.The two ends of arc surfaced support 32 have the flanging 35 that is folded to the outside, are convenient to assemble solenoid, magnet steel.The thickness T of arc surfaced support is 0.5-3mm.The outside of solenoid 33, magnet steel 34 is covered with overcoat 36.The solenoid series connection of each electromagnetic induction unit or in parallelly and common connect an external power supply plug.Edge at two adjacent electromagnetic induction unit connects rigid hinge (as hinge) or flexible hinge 37(such as flexiplast, belt etc.) realize described hinged.
during welding: be by inner plastic layer 21 with steel-plastics composite pipe 02(steel-plastics composite pipe as shown in Figure 3, middle steel pipe layer 22, outer plastic layer 23 consists of) insert in the birdsmouth 13 between internal ring wall 11 and external annulus 12 of plastic pipe 01, again electromagnetic induction heater 03 expansion (as shown in Figure 4) is embraced the outside (as shown in Figure 5) at external annulus 12, connecting external power supply plug opens electromagnetic induction heater 03 and can they be fused together to the plastics that the steel pipe layer 22 of plugging position is implemented eddy-current heating melting steel pipe layer both sides, namely realize the welding (referring to Fig. 6) of steel-plastics composite pipe and plastic pipe after cooling (normally naturally cooling).Therebetween, when steel-plastics composite pipe is heated, whole steel pipe layer heating evenly, guaranteed the welding quality, do not need in heating process the pipe welding fixture is rotated around plastic pipe, and be easy to operate.
Claims (9)
1. be used for the electromagnetic induction heater (03) of welding steel-plastics composite pipe and plastic pipe, it comprises at least two electromagnetic induction unit (31), each electromagnetic induction unit (31) is hinged and can embrace ringwise successively, each electromagnetic induction unit (31) comprises arc surfaced support (32) and is assemblied in solenoid (33) on described arc surfaced support (32), magnet steel (34), it is characterized in that: be assemblied in the magnetic field intensity of magnet steel of arc surfaced support (32) edge of each described electromagnetic induction unit (31) greater than the magnetic field intensity of the magnet steel that is assemblied in this arc surfaced support middle part.
2. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 1 (03), it is characterized in that: the solenoid (33) of each described electromagnetic induction unit (31), magnet steel (34) are assemblied in the outside of described arc surfaced support (32) successively.
3. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 2 (03), it is characterized in that: the outside of described arc surfaced support is provided with groove, and described solenoid (33) is laid in described groove.
4. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 2 (03) is characterized in that: the two ends of described arc surfaced support (32) have the flanging (35) that is folded to the outside.
5. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 2 (03), it is characterized in that: the thickness (T) of described arc surfaced support (32) is 0.5-3mm.
6. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 2 (03), it is characterized in that: the outside of described solenoid (33), magnet steel (34) is covered with overcoat (36).
7. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 1 (03) is characterized in that: the solenoid series connection of each electromagnetic induction unit or in parallelly and common connect an external power supply plug.
8. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 1 (03), it is characterized in that: described electromagnetic induction unit (31) is 3.
9. the electromagnetic induction heater for welding steel-plastics composite pipe and plastic pipe according to claim 1 (03) is characterized in that: connect rigid hinge at the edge of two adjacent electromagnetic induction unit or flexible hinge (37) is realized described hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016482 CN202986105U (en) | 2013-01-11 | 2013-01-11 | Electromagnetic induction heater for welding plastic-steel composite pipe with plastic pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016482 CN202986105U (en) | 2013-01-11 | 2013-01-11 | Electromagnetic induction heater for welding plastic-steel composite pipe with plastic pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202986105U true CN202986105U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016482 Expired - Fee Related CN202986105U (en) | 2013-01-11 | 2013-01-11 | Electromagnetic induction heater for welding plastic-steel composite pipe with plastic pipe fitting |
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| CN (1) | CN202986105U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395202A (en) * | 2013-08-06 | 2013-11-20 | 天津军星管业集团有限公司 | Electromagnetic induction heating coil |
| CN104582938A (en) * | 2013-07-23 | 2015-04-29 | 超科有限公司 | Apparatus for applying heat shrinkable casings onto preinsulated pipe joints |
| CN105058778A (en) * | 2015-08-05 | 2015-11-18 | 浙江楠丰管道工业有限公司 | Electromagnetic induction hot melt pipe connecting device |
| CN106493957A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN106493959A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN106493960A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN110561768A (en) * | 2019-07-24 | 2019-12-13 | 安徽海通塑胶科技有限公司 | Steel-plastic composite pipe heating device |
| CN114714630A (en) * | 2022-03-16 | 2022-07-08 | 重庆益满科技发展有限公司 | Electromagnetic welding device and method for steel-plastic pipes |
-
2013
- 2013-01-11 CN CN 201320016482 patent/CN202986105U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582938A (en) * | 2013-07-23 | 2015-04-29 | 超科有限公司 | Apparatus for applying heat shrinkable casings onto preinsulated pipe joints |
| US9821508B2 (en) | 2013-07-23 | 2017-11-21 | Shawcor Ltd. | Apparatus for applying heat shrinkable casings onto preinsulated pipe joints |
| CN103395202A (en) * | 2013-08-06 | 2013-11-20 | 天津军星管业集团有限公司 | Electromagnetic induction heating coil |
| CN103395202B (en) * | 2013-08-06 | 2015-08-19 | 天津军星管业集团有限公司 | A kind of electromagnetic induction heating coil |
| CN105058778A (en) * | 2015-08-05 | 2015-11-18 | 浙江楠丰管道工业有限公司 | Electromagnetic induction hot melt pipe connecting device |
| CN105058778B (en) * | 2015-08-05 | 2017-10-31 | 浙江楠丰管道工业有限公司 | Electromagnetic induction tempreature bulb connection device |
| CN106493957A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN106493959A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN106493960A (en) * | 2016-11-23 | 2017-03-15 | 罗贤想 | A kind of steel-plastics composite pipe Electromagnetic Heating welding fixture |
| CN106493957B (en) * | 2016-11-23 | 2019-03-01 | 罗贤想 | A kind of steel-plastics composite pipe electromagnetic heating welding fixture |
| CN110561768A (en) * | 2019-07-24 | 2019-12-13 | 安徽海通塑胶科技有限公司 | Steel-plastic composite pipe heating device |
| CN114714630A (en) * | 2022-03-16 | 2022-07-08 | 重庆益满科技发展有限公司 | Electromagnetic welding device and method for steel-plastic pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20160111 |