CN203295555U - Tempering device for sintered neodymium iron boron - Google Patents
Tempering device for sintered neodymium iron boron Download PDFInfo
- Publication number
- CN203295555U CN203295555U CN2013203680031U CN201320368003U CN203295555U CN 203295555 U CN203295555 U CN 203295555U CN 2013203680031 U CN2013203680031 U CN 2013203680031U CN 201320368003 U CN201320368003 U CN 201320368003U CN 203295555 U CN203295555 U CN 203295555U
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- box frame
- high temperature
- temperature resistant
- resistant net
- products
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model relates to the processing field of magnetic products, in particular to a tempering device for sintered neodymium iron boron. The tempering device for the sintered neodymium iron boron comprises a box framework and a high temperature resistant net which is at least paved at the bottom of the box framework. The box framework and the high temperature resistant net define a chamber for containing products, and the products to be tampered are stacked in the chamber of the box framework. The box framework and the high temperature resistant net has good air permeability, and therefore, the tempering device is good in radiating effect, fast in cooling speed and capable of ensuring consistent cooling speed of the products positioned at the edge and the middle position of the chamber, and improves consistency of magnetic performance of the whole box of products.
Description
Technical field
The utility model relates to the manufacture field of magnetic product, particularly the sintered NdFeB tempering unit.
Background technology
Temper can significantly improve the magnetic property of Nd-Fe-B permanent magnet, and especially coercive force, at present, normally directly deliver to the whole box product after sintering in tempering stove, and tempering and sintering use same agglomerating plant.But when NbFeB sintered, temperature is very high, thus at the bottom of the box of agglomerating plant, the box wall need with the sealing stainless steel plate or carbon steel sheet make.At tempering gas quenching but the time, due to cooling gas be subject to enclosure at the bottom of, the stopping of box wall, can not be diffused into rapidly and uniformly each product and get on.Cause edge inconsistent with the speed of cooling of the product of centre, thereby affect the magnetic property consistence of whole box product.
Summary of the invention
It is fast that the purpose of this utility model is to provide a kind of speed of cooling, improves the conforming sintered NdFeB tempering unit of product magnetic property.
For achieving the above object, the utility model has adopted following technical scheme: a kind of sintered NdFeB tempering unit, comprise box frame and high temperature resistant net, described high temperature resistant net is laid on the bottom of box frame at least, and box frame and high temperature resistant net enclose be used to placing the chamber of product.
Owing to adopting above technical scheme, treat that tempered product piles up in the chamber of box frame, the ventilation property of box frame and high temperature resistant net is all better, so good heat dissipation effect, speed of cooling is very fast, can guarantee to be positioned at the chamber edge consistent with the speed of cooling of mid-way product, thereby improve the consistence of whole box product magnetic property.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of box frame.
Embodiment
As shown in Figure 1, a kind of sintered NdFeB tempering unit, comprise box frame 10 and high temperature resistant net 20, and described high temperature resistant net 20 is laid on the bottom of box frame 10 at least, and box frame 10 and high temperature resistant net 20 enclose the chamber 11 be used to placing product.As shown in Figure 2, box frame 10 is latticed skeleton construction, is to be welded by many mutual vertically arranged cross bars and vertical pole, and the cross bar in the utility model and vertical pole are resistant to elevated temperatures metal material.The grid interval of box frame 10 more greatly can not support product, therefore in the bottom of box frame 10, lays the closeer high temperature resistant net 20 of grid at least, for product provides secure support.
By neat the piling up at box frame 10 of product, because box frame 10 and high temperature resistant net 20 are latticed structure, ventilation property is very good, so carry out tempering when cooling cooling gas can be diffused into rapidly on each product, speed of cooling is very fast, time is comparatively of short duration, and the speed of cooling that is positioned at chamber 11 edges and mid-way product is almost consistent, thereby has improved the magnetic property consistence of product.
Described box frame 10 is shallow mouthful of body structure of upper end open, and the perisporium of described box frame 10 and bottom all are equipped with high temperature resistant net 20, and this structure can prevent that the product that is positioned at box frame 10 edges from dropping.
The corresponding both sides of described box frame 10 are provided with handle 12, during use, box frame 10 need to be put into to tempering stove, handle is set and is convenient to carrying, increase work efficiency.
The vertical support bar 15 that is provided with T shape structure in described box frame 10 middle parts, the lower end of this support bar 15 is fixed on box frame 10, and the height of described support bar 15 is consistent with the height of box frame 10.Two support bars 15 are set in the utility model altogether.During tempering process in order to increase work efficiency, usually the tempering unit in a plurality of the utility model is overlayed in tempering stove, that is to say at one and above tempering unit, stack another tempering unit, support bar 15 can provide support the bottom of its top tempering unit, can prevent effectively that the tempering unit of its top from using the rear distortion that produces for a long time.
The corresponding both sides of described box frame 10 extend to form respectively support edge 13 to centre, described handle 12 is fixed on support edge 13, the below of support edge 13 is provided with spaced apart stirrup 14 more than two or two, and the lower end of this stirrup 14 is fixed on box frame 10.Support edge 13 is for to be welded on the tinsel on box frame 10, and stirrup 14 carries out supported limit 13, also improves stability and the intensity of whole device simultaneously.In the utility model, the position that box frame 10 is positioned under handle 12 arranges the vacancy section of passing for below tempering unit handle, this structure can make neat the stacking of tempering unit, and the handle of 14 pairs of below tempering units of stirrup carries out spacing, prevents the displacement of tempering unit.
Claims (5)
1. sintered NdFeB tempering unit, it is characterized in that: comprise box frame (10) and high temperature resistant net (20), described high temperature resistant net (20) is laid on the bottom of box frame (10) at least, and box frame (10) and high temperature resistant net (20) enclose the chamber (11) be used to placing product.
2. sintered NdFeB tempering unit according to claim 1 is characterized in that: described box frame (10) is shallow mouthful of body structure of upper end open, and the perisporium of described box frame (10) and bottom all are equipped with high temperature resistant net (20).
3. sintered NdFeB tempering unit according to claim 1 and 2, it is characterized in that: the corresponding both sides of described box frame (10) are provided with handle (12).
4. sintered NdFeB tempering unit according to claim 1 and 2, it is characterized in that: the vertical support bar (15) that is provided with T shape structure in described box frame (10) middle part, it is upper that the lower end of this support bar (15) is fixed on box frame (10), and the height of described support bar (15) is consistent with the height of box frame (10).
5. sintered NdFeB tempering unit according to claim 3, it is characterized in that: the corresponding both sides of described box frame (10) extend to form respectively support edge (13) to centre, described handle (12) is fixed on support edge (13), the below of support edge (13) is provided with spaced apart stirrup (14) more than two or two, and the lower end of this stirrup (14) is fixed on box frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203680031U CN203295555U (en) | 2013-06-25 | 2013-06-25 | Tempering device for sintered neodymium iron boron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203680031U CN203295555U (en) | 2013-06-25 | 2013-06-25 | Tempering device for sintered neodymium iron boron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295555U true CN203295555U (en) | 2013-11-20 |
Family
ID=49571584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203680031U Expired - Lifetime CN203295555U (en) | 2013-06-25 | 2013-06-25 | Tempering device for sintered neodymium iron boron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203295555U (en) |
-
2013
- 2013-06-25 CN CN2013203680031U patent/CN203295555U/en not_active Expired - Lifetime
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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: 20131120 |
|
| CX01 | Expiry of patent term |