CN204887512U - Electromagnetic induction heating coil with adjustable distance - Google Patents
Electromagnetic induction heating coil with adjustable distance Download PDFInfo
- Publication number
- CN204887512U CN204887512U CN201520114863.1U CN201520114863U CN204887512U CN 204887512 U CN204887512 U CN 204887512U CN 201520114863 U CN201520114863 U CN 201520114863U CN 204887512 U CN204887512 U CN 204887512U
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Abstract
The utility model provides an electromagnetic induction heating coil with adjustable distance, include: inlet tube, water inlet pipe connector, connecting piece, intermediate head, diversion connect, assist copper pipe, outlet pipe joint, outlet pipe, coil grading, support piece etc. The utility model discloses profitable effect is: (1 )According to the work piece by the diameter of heating region diameter design sectional type electromagnetic induction heating coil heating region, can show distance between regulation work piece machining region and the coil heating region, improvement heating efficiency. (2 )The electromagnetic induction heating coil that adopts the sectional type replaces integral heating coil, can improve the processing inconvenience nature that the copper pipe was caused by the work hardening phenomenon at preparation coil in -process. (3 )Adopt reaming formula coupling, simple structure, assembly easy maintenance. To sum up, this application has improved the heating efficiency of electromagnetic induction heating coil, and it can reduce the distance between work piece heating region and the electromagnetic induction heating coil, and it has important practical application meaning.
Description
Technical field
The utility model relates to a kind of electromagnetic induction heating coil, particularly a kind of adjustable with by the electromagnetic induction heating coil of the spacing of heated parts.
Background technology
Electromagnetic induction heating have controllability good, be easy to realize the advantage such as high temperature and localized heating, be widely used in modern industry.The critical component of electromagnetic induction heating is electromagnetic induction heating coil, and the structure of electromagnetic induction heating coil can directly affect electromagnetic induction heating efficiency.When electromagnetic induction heating coil is spiral, high-frequency current mainly flows inside coil, and the magnetic field produced in helical coil inside is not equally distributed, in the region the closer to electromagnetic induction heating coil, magnetic field is stronger, and the energy producing eddy current is higher, and the efficiency of heating surface is higher.
During heating bar, for ease of fixation workpiece, what the diameter at workpiece two ends often designed will much larger than centre by the diameter of heating region; Simultaneously in heating process, electromagnetic induction heating coil can produce a large amount of heats, for ensureing that electromagnetic induction heating coil can continue efficient work, in the inner water flowing cooling of electromagnetic induction heating coil, therefore the spiral electromagnetic load coil of present stage design is all integral type, namely heater coil by a hollow copper pipe around shaping.
When workpiece pass from the endoporus of all-in-one-piece electromagnetic induction heating coil and move to appointed area heat time, if enable the end of workpiece through electromagnetic induction heating coil, it is very large that the diameter of electromagnetic induction heating coil will be processed, cause workpiece heat region surface away from electromagnetic induction heating coil, greatly reduce the efficiency of heating surface.
Summary of the invention
Utility model object: the utility model provides a kind of electromagnetic induction heating coil of distance adjustable, when its object is to solve the spiral electromagnetic load coil heating bar work of existing overall structure type, workpiece by heating region easily and produce the defect that larger distance causes the efficiency of heating surface lower between electromagnetic induction heating coil.
Technical scheme: the utility model is achieved through the following technical solutions:
An electromagnetic induction heating coil for distance adjustable, is characterized in that: this coil is made up of inlet unit and water unit, and inlet unit is connected by assisting copper pipe with water unit;
Inlet unit comprises water inlet pipe, two water inlet connectors and multiple water inlet coil grading, water inlet connector comprises mainstream channel, be arranged on the upper affluent channel on mainstream channel top and be arranged on the lower affluent channel of mainstream channel bottom, upper affluent channel is all communicated with mainstream channel with lower affluent channel, water inlet coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water inlet connectors respectively, water inlet coil fragmented packets draws together the segmentation of inflow hydrograph circle and lower water inlet coil grading, the two ends of upper inflow hydrograph circle segmentation connect the upper affluent channel of two water inlet connectors, the two ends of lower water inlet coil grading connect the lower affluent channel of two water inlet connectors, water inlet pipe connects the first water inlet connector,
Water unit comprises outlet pipe, two water outlet connectors and multiple water outlet coil grading, water outlet connector comprises mainstream channel, be arranged on the upper affluent channel on mainstream channel top and be arranged on the lower affluent channel of mainstream channel bottom, upper affluent channel is all communicated with mainstream channel with lower affluent channel, Inlet and outlet water coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water outlet connectors respectively, water outlet coil grading comprises upper water-out coil grading and goes out into water coil grading, the two ends of upper water-out coil grading connect the upper affluent channel of two water outlet connectors, the two ends of lower water outlet coil grading connect the lower affluent channel of two water outlet connectors, outlet pipe connects the first water outlet connector,
The mainstream channel of the second water outlet connector is communicated with the second mainstream channel of intaking connector by auxiliary copper pipe;
The thermal treatment zone of the centre of multiple water inlet coil grading and multiple water outlet coil grading concentrate in together formed be centered around that workpiece to be heated is outer, heating region that shape and workpiece to be heated adapt.
Water inlet pipe is connected to the mainstream channel of the first water inlet connector by admitting pipe joint, outlet pipe connects the mainstream channel of the first water outlet connector by titting water outlet, auxiliary copper pipe is U-shaped pipe, one end of this pipe connects the mainstream channel of the second water inlet connector by the first steering joint, the other end connects the mainstream channel of the second water outlet connector by the second steering joint.
Between the first water inlet connector and the first water outlet connector, be provided with strutting piece, between the second water inlet connector and the second water outlet connector, be also provided with strutting piece.
The middle thermal treatment zone of water inlet coil grading and water outlet coil grading is semicircular structure, and non-power hot-zone, both sides adopts the symmetrical structure centered by the thermal treatment zone.
Non-power hot-zone, both sides is at same plane, and the face at place, the middle thermal treatment zone is vertical with the face at place, non-power hot-zone, both sides.
The version of water inlet coil grading and water outlet coil grading has the following two kinds: the semicircular breakover point of the middle thermal treatment zone is identical with the face at place, non-power hot-zone, both sides; The semicircular breakover point of the middle thermal treatment zone is different from the face at place, non-power hot-zone, both sides.
This water inlet coil grading and water outlet coil grading form removable structure by pipeline and elbow; For being connected in parallel between multiple coil grading.
The size of heating region determined by the diameter of the heating region with heated parts, and the size of non-power hot-zone determined by the locus in four connectors and workpiece heat region; The distance at heating region and workpiece heat position can be regulated by the diameter changing heating region.
The mainstream channel of connector and upper and lower affluent channel mutually through and respectively end is provided with screw thread.
The joint of all pipelines and connector are copper or the better material composition of electric conductivity, and surface is the structure through insulation processing; Strutting piece is pottery or other insulating material.
Advantage and effect: the utility model provides a kind of electromagnetic induction heating coil of distance adjustable, comprising: water inlet pipe, admitting pipe joint, connector, transition joint, steering joint, auxiliary copper pipe, titting water outlet, outlet pipe, coil grading, strutting piece etc.
The effect that the utility model is useful is:
(1) according to workpiece by the diameter of heating region diameter design segmented electromagnetic induction heating coil heating region, significantly can regulate the spacing in work pieces process region and coil heats region, improve the efficiency of heating surface.
(2) adopt the electromagnetic induction heating coil of segmented to replace integral type heater coil, copper pipe can be improved and making the processing inconvenience caused by work hardening phenomenon in coil process.
(3) adopt reaming type pipe joint, structure is simple, assembles easy to maintenance.
In sum, the application improves the efficiency of heating surface of electromagnetic induction heating coil, and it can reduce the distance between workpiece heat region and electromagnetic induction heating coil, and it has important practical application meaning.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
The structure cut-away view of the connector of Fig. 2 the utility model example;
Fig. 3 is the pipe joint structure schematic diagram of the utility model example;
Fig. 4 is the coil grading structure chart of the utility model example;
Fig. 5 is that cooling water flow of the present utility model is to schematic diagram;
Fig. 6 is that cooling water flow of the present utility model is to schematic diagram;
Fig. 7 is vertical view of the present utility model and current direction schematic diagram;
Fig. 8-1 is the second execution mode of the utility model example;
Fig. 8-2 is the partial enlarged drawing of 8-1;
Fig. 9 is the second structure chart of the utility model example coils segmentation;
Figure 10 is the third execution mode of the utility model example.
embodiment:below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, the utility model provides a kind of electromagnetic induction heating coil of distance adjustable, and this coil is made up of inlet unit and water unit, and inlet unit is connected by assisting copper pipe 6 with water unit;
Inlet unit comprises water inlet pipe 1, two water inlet connectors and multiple water inlet coil grading, water inlet connector comprises mainstream channel 31, be arranged on the upper affluent channel 32 on mainstream channel 31 top and be arranged on the lower affluent channel 33 of mainstream channel 31 bottom, upper affluent channel 32 is all communicated with mainstream channel 31 with lower affluent channel 33, water inlet coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water inlet connectors respectively, water inlet coil fragmented packets draws together the segmentation of inflow hydrograph circle and lower water inlet coil grading, the two ends of upper inflow hydrograph circle segmentation connect the upper affluent channel 32 of two water inlet connectors, the two ends of lower water inlet coil grading connect the lower affluent channel 33 of two water inlet connectors, water inlet pipe 1 connects the first water inlet connector 3a,
Water unit comprises outlet pipe 9, two water outlet connectors and multiple water outlet coil grading, water outlet connector comprises mainstream channel 31, be arranged on the upper affluent channel 32 on mainstream channel 31 top and be arranged on the lower affluent channel 33 of mainstream channel 31 bottom, upper affluent channel 32 is all communicated with mainstream channel 31 with lower affluent channel 33, Inlet and outlet water coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water outlet connectors respectively, water outlet coil grading comprises upper water-out coil grading and goes out into water coil grading, the two ends of upper water-out coil grading connect the upper affluent channel 32 of two water outlet connectors, the two ends of lower water outlet coil grading connect the lower affluent channel 33 of two water outlet connectors, outlet pipe 9 connects the first water outlet connector 3d,
Label 11-18 in figure is exactly the coil grading of a wherein part.
Wherein, the structure of connector 3 as shown in Figure 2, determined by the number of turns of coil by the number of affluent channel.
The mainstream channel of the second water outlet connector 3c is communicated with the second mainstream channel of intaking connector 3b by auxiliary copper pipe 6;
The thermal treatment zone of the centre of multiple water inlet coil grading and multiple water outlet coil grading concentrate in together formed be centered around that workpiece to be heated is outer, heating region that shape and workpiece to be heated adapt.
Water inlet pipe 1 is connected to the mainstream channel 31 of the first water inlet connector 3a by admitting pipe joint 2, outlet pipe 9 connects the mainstream channel 31 of the first water outlet connector 3d by titting water outlet 8, auxiliary copper pipe 6 is U-shaped pipe, one end of this pipe connects the mainstream channel 31 of the second water inlet connector 3b by the first steering joint 5, the other end connects the mainstream channel 31 of the second water outlet connector 3c by the second steering joint 7.
Between the first water inlet connector 3a and the first water outlet connector 3d, be provided with strutting piece 19, between the second water inlet connector 3b and the second water outlet connector 3c, be also provided with strutting piece 19.
The middle thermal treatment zone 61 of water inlet coil grading and water outlet coil grading is semicircular structure, and non-power hot-zone, both sides 62 adopts the symmetrical structure centered by the thermal treatment zone.
Non-power hot-zone 62, both sides is at same plane, and the face at place, the middle thermal treatment zone 61 is vertical with the face at place, non-power hot-zone, both sides.
The version of water inlet coil grading and water outlet coil grading has the following two kinds: as shown in Figure 9, the semicircular breakover point 111 of the middle thermal treatment zone 51 is identical with the face at place, non-power hot-zone 52, both sides; As shown in Figure 4, the semicircular breakover point 111 of the middle thermal treatment zone is different from the face at place, non-power hot-zone 62, both sides.
This water inlet coil grading and water outlet coil grading form removable structure by pipeline and elbow; For being connected in parallel between multiple coil grading.
The size of heating region determined by the diameter of the heating region with heated parts, and the size of non-power hot-zone determined by the locus in four connectors and workpiece heat region; The distance at heating region and workpiece heat position can be regulated by the diameter changing heating region.
The mainstream channel of connector and upper and lower affluent channel mutually through and respectively end is provided with screw thread.
The joint of all pipelines and connector are copper or the better material composition of electric conductivity, and surface is the structure through insulation processing.
Strutting piece is pottery or other insulating material.
The structure of transition joint 4 as shown in Figure 3, is made up of fittings body 40, nut 41, pipe box 42, and pipe box supports copper pipe, and easy centering during installation, good sealing effect, can absorb and reduce pipeline vibration.During assembling, copper sheathing 42 is connected one end with fittings body and expands into horn mouth, tightening nut, make it be pressed on the conical surface of fittings body, form metal sealing.Joint involved in the utility model is reaming type pipe joint, and wherein admitting pipe joint 2, first steering joint 5, second steering joint 7, titting water outlet 8 are same specification.Pipe joint material is copper, and surface is through insulation processing after mounting.
As shown in Figure 4, wherein, coil grading 11,12,13,14 two ends are connected with the upper affluent channel 32 of connector 3c, 3d respectively by transition joint 4 structure of coil grading 11-18; Coil grading 15,16,17,18 two ends are connected with the lower affluent channel 33 of connector 3c, 3d respectively by transition joint 4; Coil grading 11-18, connector 3c and 3d form water unit of the present utility model, and the another part in figure is inlet unit; Two unit in Fig. 1 and Fig. 5 are symmetrical structure.
Half circular diameter of the utility model coil grading thermal treatment zone 61 is less than the diameter at sample 10 two ends, and therefore, after sample 10 installs, water unit and inlet unit are closed up, and connects support by strutting piece 19.Wherein strutting piece 19 is insulating material, and size is determined by the distance of coil spacing sample.
Before test, according to sample 10 by half circular diameter of the heating region diameter determination coil grading thermal treatment zone 61, according to describing, sample and the utility model coil are installed above; During test, first start water pump, by water inlet 1 for electromagnetic induction heating coil passes into recirculated cooling water, restart power supply, as shown in Figure 5,6, cooling water enters the first water inlet connector 3a by water inlet pipe 1, admitting pipe joint 2, flows into each coil grading, and finally collect in the second water inlet connector 3b respectively by the upper affluent channel 31 of the first water inlet connector 3a and lower affluent channel 32; By the first steering joint 5, auxiliary copper pipe 6, second steering joint 7, cooling water enters the second water outlet connector 3c, flow into each coil grading respectively by the upper affluent channel 31 of the second water outlet connector 3c and lower affluent channel 32, and finally collect in the first water outlet connector 3d; Flow out finally by titting water outlet 8, outlet pipe 9.
As shown in Figure 7, high frequency alternating current flows to the first water inlet connector 3a by water inlet pipe 1 by admitting pipe joint 2, each coil grading is entered through the first water inlet connector 3a current distributing, and collect at the second water inlet connector 3b place, the second water outlet connector 3c is flowed to through the first pipe joint 5, auxiliary copper pipe 6, second pipe joint 7, and enter each coil grading through the second water outlet connector 3c shunting, and collect at the first water outlet connector 3d place, flow out finally by titting water outlet 8 and outlet pipe 9 and form current circuit.
For ensureing that the pipe joint on adjacent two connectors can be assemblied on connector easily, adjacent two connectors are installed into water pipe live outlet pipe screwed hole between minimum range H(as Fig. 8-1,8-2) must design enough large, when workpiece heat regional diameter is less than minimum range H or is more or less the same, the following two kinds of electromagnetic induction heating coil structures of design:
As Fig. 8-1,8-2 are depicted as an execution mode of the utility model example, its feature is: connector 55,57 is directly placed on (each connector surface is all through insulation processing) on connector 56,58 and adopts coil grading structure as shown in Figure 9, namely each coil grading is except the heating position 51 that middle semicircle arches upward, and non-heated hot-zone, both sides 52 all at grade.Connector 55,57 is two water inlet connectors, and 56,58 is two water outlet connectors, or on the contrary.
Figure 10 shows that another kind of execution mode of the present utility model, its feature is: the first half water inlet coil grading of electromagnetic induction heating coil and water outlet coil grading are made up of water inlet pipe 1, admitting pipe joint 2, first water inlet connector 3a, transition joint 4, second water inlet connector 3b and coil grading as shown in Figure 4 (each coil grading is in parallel)
The latter half coil grading of electromagnetic induction heating coil is made up of the second water outlet connector 3c, the first water outlet connector 3d, transition joint 4, titting water outlet 8, outlet pipe 9 and coil grading as shown in Figure 9 (each coil grading is in parallel), the inlet unit of upper part is connected by steering joint 5 and auxiliary copper pipe 6 with the water unit of lower part, and upper and lower Unit two are unsymmetric structure.Asymmetrical structure is conducive to the better envelope of electromagnetic induction heating coil around workpiece heat position.
Claims (10)
1. an electromagnetic induction heating coil for distance adjustable, is characterized in that: this coil is made up of inlet unit and water unit, and inlet unit is connected by assisting copper pipe (6) with water unit;
Inlet unit comprises water inlet pipe (1), two water inlet connectors and multiple water inlet coil grading, water inlet connector comprises mainstream channel (31), be arranged on the upper affluent channel (32) on mainstream channel (31) top and be arranged on the lower affluent channel (33) of mainstream channel (31) bottom, upper affluent channel (32) is all communicated with mainstream channel (31) with lower affluent channel (33), water inlet coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water inlet connectors respectively, water inlet coil fragmented packets draws together the segmentation of inflow hydrograph circle and lower water inlet coil grading, the two ends of upper inflow hydrograph circle segmentation connect the upper affluent channel (32) of two water inlet connectors, the two ends of lower water inlet coil grading connect the lower affluent channel (33) of two water inlet connectors, water inlet pipe (1) connects the first water inlet connector (3a),
Water unit comprises outlet pipe (9), two water outlet connectors and multiple water outlet coil grading, water outlet connector comprises mainstream channel (31), be arranged on the upper affluent channel (32) on mainstream channel (31) top and be arranged on the lower affluent channel (33) of mainstream channel (31) bottom, upper affluent channel (32) is all communicated with mainstream channel (31) with lower affluent channel (33), Inlet and outlet water coil grading is made up of the thermal treatment zone of centre and the non-power hot-zone part at two ends, the non-power hot-zone part at two ends connects two water outlet connectors respectively, water outlet coil grading comprises upper water-out coil grading and goes out into water coil grading, the two ends of upper water-out coil grading connect the upper affluent channel (32) of two water outlet connectors, the two ends of lower water outlet coil grading connect the lower affluent channel (33) of two water outlet connectors, outlet pipe (9) connects the first water outlet connector (3d),
The mainstream channel of the second water outlet connector (3c) is communicated with by the intake mainstream channel of connector (3b) of auxiliary copper pipe (6) and second;
The thermal treatment zone of the centre of multiple water inlet coil grading and multiple water outlet coil grading concentrate in together formed be centered around that workpiece to be heated is outer, heating region that shape and workpiece to be heated adapt.
2. the electromagnetic induction heating coil of distance adjustable according to claim 1, it is characterized in that: water inlet pipe (1) is connected to the mainstream channel (31) of the first water inlet connector (3a) by admitting pipe joint (2), outlet pipe (9) connects the mainstream channel (31) of the first water outlet connector (3d) by titting water outlet (8), auxiliary copper pipe (6) is U-shaped pipe, one end of this pipe connects the mainstream channel (31) of the second water inlet connector (3b) by the first steering joint (5), the other end connects the mainstream channel (31) of the second water outlet connector (3c) by the second steering joint (7).
3. the electromagnetic induction heating coil of distance adjustable according to claim 1, it is characterized in that: between the first water inlet connector (3a) and the first water outlet connector (3d), be provided with strutting piece (19), between the second water inlet connector (3b) and the second water outlet connector (3c), be also provided with strutting piece (19).
4. the electromagnetic induction heating coil of distance adjustable according to claim 1, it is characterized in that: the middle thermal treatment zone (61) of water inlet coil grading and water outlet coil grading is semicircular structure, non-power hot-zone, both sides (62) adopts the symmetrical structure centered by the thermal treatment zone.
5. the electromagnetic induction heating coil of distance adjustable according to claim 4, is characterized in that: non-power hot-zone, both sides (62) is at same plane, and the face at the middle thermal treatment zone (61) place is vertical with the face at place, non-power hot-zone, both sides.
6. the electromagnetic induction heating coil of distance adjustable according to claim 5, is characterized in that: the version of water inlet coil grading and water outlet coil grading has the following two kinds: the semicircular breakover point (111) of the middle thermal treatment zone is identical with the face at place, non-power hot-zone, both sides; The semicircular breakover point (111) of the middle thermal treatment zone is different from the face at place, non-power hot-zone, both sides.
7. the electromagnetic induction heating coil of distance adjustable according to claim 1, is characterized in that: this water inlet coil grading and water outlet coil grading form removable structure by pipeline and elbow; For being connected in parallel between multiple coil grading.
8. the electromagnetic induction heating coil of distance adjustable according to claim 6, it is characterized in that: the size of heating region determined by the diameter of the heating region with heated parts, the size of non-power hot-zone determined by the locus in four connectors and workpiece heat region; The distance at heating region and workpiece heat position can be regulated by the diameter changing heating region.
9. the electromagnetic induction heating coil of distance adjustable according to claim 1, is characterized in that: the mainstream channel of connector and upper and lower affluent channel mutually through and respectively end is provided with screw thread.
10. the electromagnetic induction heating coil of distance adjustable according to claim 3, is characterized in that: the joint of all pipelines and connector are copper, and surface is the structure through insulation processing; Strutting piece is pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114863.1U CN204887512U (en) | 2015-02-17 | 2015-02-17 | Electromagnetic induction heating coil with adjustable distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114863.1U CN204887512U (en) | 2015-02-17 | 2015-02-17 | Electromagnetic induction heating coil with adjustable distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887512U true CN204887512U (en) | 2015-12-16 |
Family
ID=54831829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520114863.1U Expired - Fee Related CN204887512U (en) | 2015-02-17 | 2015-02-17 | Electromagnetic induction heating coil with adjustable distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204887512U (en) |
-
2015
- 2015-02-17 CN CN201520114863.1U patent/CN204887512U/en not_active Expired - Fee Related
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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: 20151216 Termination date: 20180217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |