CN201544069U - Magnetic shield of device for sensing heating knife bar - Google Patents
Magnetic shield of device for sensing heating knife bar Download PDFInfo
- Publication number
- CN201544069U CN201544069U CN200920182976XU CN200920182976U CN201544069U CN 201544069 U CN201544069 U CN 201544069U CN 200920182976X U CN200920182976X U CN 200920182976XU CN 200920182976 U CN200920182976 U CN 200920182976U CN 201544069 U CN201544069 U CN 201544069U
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- Prior art keywords
- knife bar
- magnetic force
- disk body
- eddy
- reflection
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Abstract
The utility model discloses a magnetic shield of a device for sensing a heating knife bar, which is provided with a disk body, wherein a through hole vertically penetrates the middle of the disk body, an extension structure is convexly extended at the disk body to the inside by corresponding to the periphery of the through hole, a magnetic shield part is combined at the bottom of the extension structure, the continuous concave-convex staggered wave-shaped reflection shape is formed on the bottom surface of the magnetic shield part, and inner ends of all concave ditches of the reflection shape face to the middle position of the through hole. When in use, the disk body is combined with the top surface of the device for sensing the heating knife bar, a knife upwardly penetrates the middle of the through hole, and magnetic lines of force produced on the inner side of the device for sensing the heating knife bar can be centralized at the top of the heat-expanded knife bar for producing the heating role with the help of setting the reflection shape of the magnetic shield part.
Description
Technical field
The utility model relates to a kind of accessory of eddy-current heating knife bar device, refers to a kind of magnetic force shielding of eddy-current heating knife bar device especially.
Background technology
Existing eddy-current heating knife bar device is with the induction of magnetic coil the thermal expansion knife bar to be heated in use, after the upper semisection of thermal expansion knife bar being heated expand, inserts cutter to tighten after cooling, and cutter can firmly be combined with the thermal expansion knife bar by this.
As the disclosed patent No. of Chinese patent literature 02803972 " device that is used for the eddy-current heating of instrument folder ", existing eddy-current heating knife bar device heats the thermal expansion knife bar with the magnetic line of force that sleeve part produces, the annulus spare made from magnetisable material shields the magnetic line of force again, and the magnetic line of force that makes sleeve part produce can be concentrated and be used to heat knife bar.
Though aforementioned existing annulus spare maskable is also concentrated the magnetic line of force and is used to heat knife bar and since annulus spare around be the form on inclined-plane, therefore inadequately near the top of knife bar, make the magnetic line of force of reflection still concentrate inadequately, can't reach the thermal effect that adds of the best.
The utility model content
At the deficiencies in the prior art part, the utility model provides a kind of magnetic force shielding of eddy-current heating knife bar device, and it concentrates the top that is used to heat knife bar with the magnetic line of force, obtains the preferable thermal effect that adds.
For achieving the above object, technical solutions of the utility model are:
A kind of magnetic force shielding of eddy-current heating knife bar device, it comprises a holder, it is provided with a disk body, and runs through a perforation in the intermediate vertical of this disk body, around should boring a hole, protrudes out an extended configuration inwardly in this disk body; An and magnetic force covering, with around form be incorporated into the bottom of this extended configuration, and form a reflection shape in the bottom surface, this reflection is shaped as concavo-convex staggered waveform continuously, and have most chases, the inner of each chase is towards the centre position of this perforation.
Described disk body is a disc, described perforation is circular hole, described extended configuration comprises a plurality of straight-bars, a plurality of straight-bars are respectively the straight-bar body that extends along this disk body normal direction, and it is with equally spaced form setting, and described magnetic force covering comprises a plurality of magnetized blocks, the sintered part that each magnetized block is made with powder metallurgy, it also has magnetizable characteristic, and each magnetized block is incorporated into the bottom surface of each straight-bar respectively, and described reflection shape is formed at the bottom surface of each magnetized block.
The usefulness of technique scheme is:
When the utility model uses, be with the end face of disk body screw lock, and the upper semisection of thermal expansion knife bar inserted in the eddy-current heating knife bar device that this moment, the utility model magnetic force covering was surrounded on top on every side, thermal expansion knife bar top in eddy-current heating knife bar device.
When starting, eddy-current heating knife bar device produces the magnetic line of force, when the upper semisection of thermal expansion knife bar being heated with the magnetic line of force, because the magnetic force covering is positioned at the top around the thermal expansion knife bar top, the bottom surface of adding the magnetic force covering has the reflection shape of waveform, therefore can produce the effect that shields the magnetic line of force with the reflection shape, the magnetic line of force reflection that order originally passes up and concentrate on thermal expansion knife bar top around, make the concentrated top that acts on the thermal expansion knife bar of the magnetic line of force produce the effect of heating, make cutter behind the top of inserting the thermal expansion knife bar, become combined structure closely via cooling and between the thermal expansion knife bar.
Because the utility model can produce the bottom surface that the magnetic force covering of shielding and the effect of the reflection magnetic line of force is incorporated into extended configuration, again with around mode be provided with, therefore around the top of position that is provided with near the thermal expansion knife bar, add that the magnetic force covering is provided with the reflection shape of waveform again in the bottom surface, therefore compared to the reflecting surface that tilts, more the magnetic line of force can be concentrated on the head portion heating of thermal expansion knife bar, the energy promotion feeling is answered the thermal effect that adds of heated blade lever apparatus, makes things convenient for the user to utilize.
Description of drawings
Fig. 1 is the stereogram of the utility model first preferred embodiment;
Fig. 2 is the vertical view of the utility model first preferred embodiment;
Fig. 3 is the upward view of the utility model first preferred embodiment;
Fig. 4 is the profile of the utility model first preferred embodiment;
Fig. 5 is the enforcement schematic diagram one of the utility model first preferred embodiment;
Fig. 6 is the enforcement schematic diagram two of the utility model first preferred embodiment;
Fig. 7 is the enforcement schematic diagram three of the utility model first preferred embodiment;
Fig. 8 is the profile of the utility model second preferred embodiment;
Fig. 9 is the profile of the utility model the 3rd preferred embodiment.
The specific embodiment
The utility model now is described in conjunction with the accompanying drawings and embodiments.
The utility model is a kind of magnetic force shielding of eddy-current heating knife bar device, please referring to first preferred embodiment shown in Fig. 1-4, it comprises a holder (10), be provided with a disk body (11), disk body (11) is a disc, and wear a perforation (12) with the form that vertically runs through in the centre, perforation (12) is circular hole, around the corresponding perforation (12), protrude out an extended configuration (13) inwardly in disk body (11), extended configuration (13) comprises four straight-bars (131), and four straight-bars (131) are respectively the straight-bar body that extends along disk body (11) normal direction, itself and with equally spaced form setting.
One magnetic force covering (20), it comprises four magnetized blocks (21), be incorporated into the bottom surface of each straight-bar of extended configuration (13) (131) respectively with four magnetized blocks (21), make magnetic force covering (20) can with around form be incorporated into the bottom of extended configuration (13), the sintered part of each magnetized block (21) for making with powder metallurgy, it also has magnetizable characteristic, and each magnetized block (21) forms a reflection shape (211) in the bottom surface, each reflects shape (211) and is continuous concavo-convex staggered square waveform, and have most chases (212), each chase (212) is square long ditch, each chase (212) of each magnetized block (21) is parallel setting, and inner centre position towards perforation (12).
The utility model removes aforementioned preferred embodiment, be that straight-bar (131) quantity with extended configuration (13) is provided with beyond four, also the quantity of straight-bar (131) can be made as two, three or five, with the bottom surface of a plurality of straight-bars (131) magnetized block (21) in conjunction with respective amount; In addition, extended configuration (13) also can be made as towards the interior toroidal that extends of perforation (12), the magnetic force covering (20) in the extended configuration (13) of toroidal bottom again in conjunction with the annulus form, magnetic force covering (20) bottom surface in the annulus form forms described reflection shape (211), equally with the effect of reflection shape (211) the cremasteric reflex magnetic line of force of wave feature, extended configuration (13) is not limited at this with alteration of form the utility model of magnetic force covering (20).
When the utility model uses, please referring to first preferred embodiment of Fig. 5-7, it is the end face that disk body (11) is incorporated into eddy-current heating knife bar device (32) with the means of screw lock, and the upper semisection of thermal expansion knife bar (30) inserted in the eddy-current heating knife bar device (32), each magnetized block (21) of the utility model magnetic force covering this moment (20) is surrounded on the top around thermal expansion knife bar (30) top.
When starting, eddy-current heating knife bar device (32) produces the magnetic line of force, make thermal expansion knife bar (30) when heating with the magnetic line of force, because each magnetized block of the utility model (21) is positioned at the top around thermal expansion knife bar (30) top, add each magnetized block (21) and be provided with the reflection shape (211) of square waveform in the bottom surface, therefore the effect that can produce the shielding magnetic line of force with the reflection shape (211) of magnetized magnetized block (21) bottom, the magnetic line of force reflection that order originally passes up and concentrate on thermal expansion knife bar (30) top around, make the concentrated top that acts on thermal expansion knife bar (30) of the magnetic line of force produce the effect of heating, make cutter (31) behind the top of inserting thermal expansion knife bar (30), become combined structure closely via cooling and between the thermal expansion knife bar (30).
The utility model removes aforementioned first preferred embodiment, be that reflection shape (211) with each magnetized block (21) bottom surface is made as beyond the square waveform, also reflection shape (211) can be made as the waveform of other shape, the utility model second preferred embodiment as shown in Figure 8, be that reflection shape (211A) with magnetized block (21A) bottom surface is made as corrugated shape, perhaps the utility model the 3rd preferred embodiment as shown in Figure 9, be the waveform that the reflection shape (211B) of magnetized block (21B) bottom surface is made as sharp-tooth shaped, so can reach the effect of the reflection magnetic line of force described in first preferred embodiment equally.
Claims (6)
1. the magnetic force of eddy-current heating knife bar device shielding, be characterised in that: it comprises:
One holder, it is provided with a disk body, and runs through a perforation in the intermediate vertical of this disk body, around should boring a hole, protrudes out an extended configuration inwardly in this disk body; And
One magnetic force covering, with around form be incorporated into the bottom of this extended configuration, and form a reflection shape in the bottom surface, this reflection is shaped as concavo-convex staggered waveform continuously, and has most chases, the inner of each chase is towards the centre position of this perforation.
2. the magnetic force shielding of a kind of eddy-current heating knife bar device as claimed in claim 1, it is characterized in that: described disk body is a disc, described perforation is circular hole, described extended configuration comprises a plurality of straight-bars, a plurality of straight-bars are respectively the straight-bar body that extends along this disk body normal direction, itself and with equally spaced form setting, described magnetic force covering comprises a plurality of magnetized blocks, the sintered part that each magnetized block is made with powder metallurgy, it also has magnetizable characteristic, each magnetized block is incorporated into the bottom surface of each straight-bar respectively, and described reflection shape is formed at the bottom surface of each magnetized block.
3. the magnetic force shielding of a kind of eddy-current heating knife bar device as claimed in claim 2, it is characterized in that: described extended configuration is to comprise four straight-bars, and described magnetic force covering comprises four magnetized blocks.
4. as the magnetic force shielding of claim 1,2 or 3 described a kind of eddy-current heating knife bar devices, it is characterized in that: wherein each reflection is shaped as square waveform.
5. as the magnetic force shielding of claim 1,2 or 3 described a kind of eddy-current heating knife bar devices, it is characterized in that: wherein each reflection is shaped as waveform.
6. as the magnetic force shielding of claim 1,2 or 3 described a kind of eddy-current heating knife bar devices, it is characterized in that: wherein each reflection is shaped as the waveform of sharp-tooth shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920182976XU CN201544069U (en) | 2009-09-16 | 2009-09-16 | Magnetic shield of device for sensing heating knife bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920182976XU CN201544069U (en) | 2009-09-16 | 2009-09-16 | Magnetic shield of device for sensing heating knife bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544069U true CN201544069U (en) | 2010-08-11 |
Family
ID=42599227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920182976XU Expired - Lifetime CN201544069U (en) | 2009-09-16 | 2009-09-16 | Magnetic shield of device for sensing heating knife bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954327A (en) * | 2019-05-14 | 2020-11-17 | 翰默有限公司 | Induction coil assembly and method for controlling an induction heating process of an induction coil assembly |
-
2009
- 2009-09-16 CN CN200920182976XU patent/CN201544069U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954327A (en) * | 2019-05-14 | 2020-11-17 | 翰默有限公司 | Induction coil assembly and method for controlling an induction heating process of an induction coil assembly |
| CN111954327B (en) * | 2019-05-14 | 2022-09-13 | 翰默有限公司 | Induction coil assembly and method for controlling an induction heating process of an induction coil assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |