CN205587656U - A mould for sintered nd -Fe -B die mould - Google Patents
A mould for sintered nd -Fe -B die mould Download PDFInfo
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- CN205587656U CN205587656U CN201620438931.4U CN201620438931U CN205587656U CN 205587656 U CN205587656 U CN 205587656U CN 201620438931 U CN201620438931 U CN 201620438931U CN 205587656 U CN205587656 U CN 205587656U
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- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 44
- 238000004826 seaming Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000000843 powder Substances 0.000 abstract description 16
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004049 embossing Methods 0.000 abstract 3
- 208000002925 dental caries Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model relates to a powder forming embossing mold possesses technical field, particularly, relates to a mould for sintered nd -Fe -B die mould, include: go up pressure head, lower pressure head and well pressure head, being provided with the die cavity on going up the pressure head, pushing down the overhead die cavity that is provided with down, well pressure head lies in the pressure head and descends between the pressure head, the middling pressure is overhead be provided with with the first well die cavity of last die cavity complex to and with lower die cavity complex second in the die cavity, go up the die cavity in addition, in first in die cavity, the second die cavity and lower die cavity be a plurality ofly. The utility model provides a mould for sintered nd -Fe -B die mould through changing traditional mould structure, adopts multilayer embossing mold utensil, and uses the structure of many die cavitys of a mould, has improved production efficiency greatly, as far as suppressing the same number of yarn, great reduction the embossing mold number, water has been saved in the effectual loss that has reduced press and mould, electricity, the waste of gas to the reduction that is showing manufacturing cost.
Description
Technical field
This utility model relates to powder compacting compacting tool set technical field, especially relates to a kind of mould for sintered NdFeB die mould.
Background technology
Neodymium iron boron, is a kind of Magnet, is referred to as " magnetic king " due to the magnetic property of its excellence.Containing substantial amounts of rear earth element nd, ferrum and boron in neodymium iron boron, its characteristic is hard and crisp.Neodymium iron boron has high magnetic energy product and coercivity as a kind of of rare earth permanent-magnetic material, and the advantage of high-energy-density makes Nd-Fe-B permanent magnet material obtain a wide range of applications in modern industry and electronic technology simultaneously.Manufacturing sintered Nd-Fe-B permanent magnet, the most based on PM technique, manufacture process includes dispensing, melting, hydrogenation treatment, powder process, compressing, sintering, timeliness.The purpose wherein suppressed, it it is exactly the compacting utilizing press, make Magnaglo have certain shape, size, pressed density and intensity, then carry out the processing of subsequent processing, the flow process of suppression process generally comprise title powder, feed, be orientated, matched moulds compacting, the step such as the demoulding.
Neodymium iron boron compacting at present mostly is the bigger square of volume or cylinder, and owing in the bigger die cavity of volume, the green compact impact on being pressed into of the uniformity coefficient of powder is little, production efficiency is the highest.
But, few for filling amount, the product that body diameter is little, owing to when the particularity of its dimensions causes it compressing, degree-of-difficulty factor is very big, either simplex efficiency is low, cost of labor is the highest, and the fragile compacting when the demoulding of some compacting tool sets, affect conforming product rate, the manufacture of mould is complicated, is unfavorable for that operator operates, also have impact on the efficiency of production.
Utility model content
The purpose of this utility model is to provide for the mould of sintered NdFeB die mould, to solve to suppress the technical problem that neodymium iron boron production efficiency is low present in prior art.
The mould for sintered NdFeB die mould that this utility model provides, including: seaming chuck, push-down head and middle pressure head；Upper cavity it is provided with on seaming chuck；Lower mode cavity it is provided with on push-down head；Middle pressure head is between seaming chuck and push-down head, and is provided with die cavity in die cavity in first coordinated with upper cavity, and second coordinated with lower mode cavity on middle pressure head.
Further, on seaming chuck, parallel interval is provided with multiple upper cavity, and on push-down head, parallel interval is provided with multiple lower mode cavity；Die cavity in die cavity and multiple second it is provided with in multiple first on middle pressure head.
Further, in upper cavity and first, die cavity one_to_one corresponding is arranged；In second, die cavity and lower mode cavity one_to_one corresponding are arranged.
Further, the cross section of upper cavity, the cross section of lower mode cavity, the equal semicircular in shape in cross section of die cavity in the cross section and second of die cavity in first.
Further, the two ends of the one side that seaming chuck is provided with upper cavity are provided with the first circular arc chamfering；Middle pressure head is provided with that the two ends of the one side of die cavity in first are provided with the second circular arc chamfering, the two ends of the one side of die cavity are provided with three-arc chamfering in second；The two ends of the one side that push-down head is provided with lower mode cavity are provided with the 4th circular arc chamfering.
Further, the width of upper cavity, the width of lower mode cavity, in the width and second of die cavity, the width of die cavity is 6.79mm to 6.81mm in first；The degree of depth of upper cavity, the degree of depth of lower mode cavity, in the degree of depth and second of die cavity, the degree of depth of the degree of depth every the die cavity of die cavity is 2.49mm to 2.51mm in first.
Further, between two adjacent upper cavities, in adjacent two first between die cavity, in adjacent two second between die cavity, and the interval between two adjacent lower mode cavities is 0.29mm to 0.31mm.
Further, the radius of the rounded corners that the edges at two ends of seaming chuck, push-down head and middle pressure head is arranged is 1.49mm to 1.51mm.
Further, the first circular arc chamfering, the second circular arc chamfering, three-arc chamfering and the 4th circular arc chamfering width in the horizontal direction are 0.99mm to 1mm.
Further, the material of seaming chuck, push-down head and middle pressure head is magnetism-free stainless steel.
The mould for sintered NdFeB die mould that this utility model provides, by changing traditional moulds structure, uses multilamellar compacting tool set, and the structure of the utilization one branched die cavity of mould, substantially increases production efficiency.For suppressing identical number, greatly reducing compacting modulus, be effectively reduced the loss of press and mould, save water, electricity, the waste of gas, thus significantly reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The overall structure figure of the mould for sintered NdFeB die mould that Fig. 1 provides for this utility model embodiment；
The front view of the seaming chuck of the mould for sintered NdFeB die mould that Fig. 2 provides for this utility model embodiment；
The side view of the seaming chuck of the mould for sintered NdFeB die mould that Fig. 3 provides for this utility model embodiment；
The front view of the middle pressure head of the mould for sintered NdFeB die mould that Fig. 4 provides for this utility model embodiment；
The side view of the middle pressure head of the mould for sintered NdFeB die mould that Fig. 5 provides for this utility model embodiment；
The front view of the push-down head of the mould for sintered NdFeB die mould that Fig. 6 provides for this utility model embodiment；
The side view of the push-down head of the mould for sintered NdFeB die mould that Fig. 7 provides for this utility model embodiment.
Reference:
1-seaming chuck；Pressure head in 2-；3-push-down head；
11-the first circular arc chamfering；12-upper cavity；21-the second circular arc chamfering；
Die cavity in 22-first；23-three-arc chamfering；Die cavity in 24-second；
31-the 4th circular arc chamfering；32-lower mode cavity.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
The overall structure figure of the mould for sintered NdFeB die mould that Fig. 1 provides for this utility model embodiment；The front view of the seaming chuck of the mould for sintered NdFeB die mould that Fig. 2 provides for this utility model embodiment；The front view of the middle pressure head of the mould for sintered NdFeB die mould that Fig. 4 provides for this utility model embodiment；The front view of the push-down head of the mould for sintered NdFeB die mould that Fig. 6 provides for this utility model embodiment；As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the mould for sintered NdFeB die mould that this utility model provides, including: seaming chuck 1, push-down head 3 and middle pressure head 2；Upper cavity 12 it is provided with on seaming chuck 1；Lower mode cavity 32 it is provided with on push-down head 3；Middle pressure head 2 is between seaming chuck 1 and push-down head 3, and is provided with die cavity 22 in first coordinated with upper cavity 12 on middle pressure head 2, and die cavity 24 in second coordinated with lower mode cavity 32.
The number of middle pressure head 2 can be: one, two, three etc., it is preferred that the number of middle pressure head 2 is one；Accordingly, in increase on the basis of pressure head 2, under conditions of meeting strength and stiffness, seaming chuck 1, push-down head 3 lower thickness, both reduced mold weight, saved again die cost, it is simple to workman's practical operation.
The shape of seaming chuck 1, middle pressure head 2 and push-down head 3 can be multiple, such as, rectangle, square, oval etc., it is preferred that seaming chuck 1, middle pressure head 2 and push-down head 3 are rectangle.
Wherein, the width of seaming chuck 1, middle pressure head 2 and push-down head 3 is between 37.29mm to 37.31mm, it is preferred that the width of seaming chuck 1, middle pressure head 2 and push-down head 3 is 37.30mm.
The height of seaming chuck 1 is between 24.99mm to 25.00mm, it is preferred that seaming chuck 1, middle pressure head 2, the height of push-down head 3 is 25.00mm；The height of middle pressure head 2 is 15mm, and the height of push-down head is between 14.99mm to 15.00mm, it is preferred that the height of push-down head is 15.00mm.
Pressure head and die cavity can design for integral type or split-type design, it is preferred that pressure head and film chamber are designed for integral type.
Specific operation process is: claims the preparation before powder, feeding, feeding, blanking, claims powder, changes barrel, clear up and clear out a gathering place；During die mould, push-down head 3 matched moulds, lower mode cavity 32 is poured into powder, cloth powder, puts into middle pressure head 2 die cavity 22 in first and pour powder, cloth powder into, put into seaming chuck 1, finally suppress, a branched product of mold forming.
Wherein it is desired to it is noted that in claiming powder operating process, oxygen determination machine should be observed at any time, when finding that oxygen content, more than 0.05%, answers Suspend Job, adjust nitrogen content, it is ensured that the qualified rear of oxygen content may continue.
On the basis of the present embodiment, as a example by a certain product of sintered NdFeB, driving 10 groups of press every day, comparative example often organizes 5 groups, week compacting result is carried out statistics and is averaged level.Use the mould pressing result in traditional dies and the present embodiment as shown in the table.
By upper table, using the mould for sintered NdFeB die mould in the present embodiment, every day, the number of compacting was improved significantly, was approximately 1.7 times of traditional dies compacting number.
The mould for sintered NdFeB die mould that the present embodiment provides, by changing traditional moulds structure, uses multilamellar compacting tool set, substantially increases production efficiency.For suppressing identical number, greatly reducing compacting modulus, be effectively reduced the loss of press and mould, save water, electricity, the waste of gas, thus significantly reduce production cost.
On the basis of above-described embodiment, as shown in Fig. 2, Fig. 4, Fig. 6, further, on seaming chuck 1, parallel interval is provided with multiple upper cavity 12, and on push-down head 3, parallel interval is provided with multiple lower mode cavity 32；Die cavity 24 in die cavity 22 and multiple second it is provided with in multiple first on middle pressure head 2.
Between two adjacent upper cavities, in adjacent two first between die cavity, in adjacent two second between die cavity, and the interval between two adjacent lower mode cavities is 0.29mm to 0.31mm, preferably, between two adjacent upper cavities, in adjacent two first between die cavity, in adjacent two second between die cavity, and it is spaced apart 0.30mm between two adjacent lower mode cavities.
Wherein, in upper cavity 12, lower mode cavity 31, first, in die cavity 22 and second, the quantity of die cavity 24 can be multiple, it is preferred that in die cavity 22 and second, the quantity of die cavity 24 is 18 in upper cavity 12, lower mode cavity 31, first.
The width of each upper cavity 12, the width of each lower mode cavity 32, in the width and each second of die cavity 22, the width of die cavity 24 is 6.79mm to 6.81mm in each first, it is preferred that the width of each upper cavity 12, the width of each lower mode cavity 32, in the width and each second of die cavity 22, the width of die cavity 24 is 6.80mm in each first；Additionally, the degree of depth of each upper cavity 12, the degree of depth of each lower mode cavity 32, in the degree of depth and each second of die cavity 22, the degree of depth of die cavity 24 is 2.49mm to 2.51mm in each first, it is preferred that the degree of depth of each upper cavity 12, the degree of depth of each lower mode cavity 32, in the degree of depth and each second of die cavity 22, the degree of depth of die cavity 24 is 2.50mm in each first.
The quantity of the pressure head die cavity that the present embodiment provides just can meet operator and hold mould practical operation, the most maximized requirement realizing compacting die cavity number, also meets real operation requirement.
As it is shown in figure 1, on the basis of above-described embodiment, further, in upper cavity 12 and first, die cavity 22 one_to_one corresponding is arranged；In second, die cavity 24 and lower mode cavity 32 one_to_one corresponding are arranged.
Due to seaming chuck 1, middle pressure head 2, the length of push-down head 3 is between 80.39mm to 80.41mm, it is preferred that seaming chuck 1, middle pressure head 2, in a length of 80.40mm of push-down head 3, and upper cavity 12 and first, die cavity 22 one_to_one corresponding is arranged, and in second, die cavity 24 and lower mode cavity 32 one_to_one corresponding are arranged, during ensure that die mould, the ratio of briquetting of every die cavity cylinder.
Interval between die cavity 22 in interval between two adjacent upper cavities 12 and adjacent two the firstth, interval between interval and adjacent two lower mode cavities 32 between die cavity 24 is equal in adjacent two second, interval one_to_one corresponding between every die cavity during die mould, adds stability during die mould.
The cross section of upper cavity 12, the cross section of lower mode cavity 32, in the cross section and second of die cavity 22, the cross sectional shape of die cavity 24 can be multiple in first, such as: rectangle, oval, semicircle etc., it is preferred that the cross section of upper cavity 12, the cross section of lower mode cavity 32, the equal semicircular in shape in cross section of die cavity 24 in the cross section and second of die cavity 22 in first.
In upper cavity 12, lower mode cavity 32, first, in die cavity 22 and second, the radius of the semi-circular cross-section of die cavity 24 is between 3.55mm to 3.57mm, it is preferred that in die cavity 22 and second, the radius of the semi-circular cross-section of die cavity 24 is 3.56mm in upper cavity 12, lower mode cavity 32, first.
It addition, small column neodymium iron boron product due to when the coercivity of magnet and the particularity of dimensions thereof cause it compressing degree-of-difficulty factor very big, either simplex efficiency is low, and cost of labor is the highest.
The mould for sintered NdFeB die mould that the present embodiment provides, the lower mode cavity 32 of its push-down head 3 and die cavity 24 in the second of middle pressure head 2, form column type die cavity during upper cavity 12 pressing of die cavity 22 and seaming chuck 1 in the first of middle pressure head 2；And by pressure head 2 and multimode cavity structure in increasing, be greatly improved production efficiency, reduce cost of labor, be suitable to production application.
As shown in Fig. 2, Fig. 4 and Fig. 6, on the basis of above-described embodiment, further, the two ends of the one side that seaming chuck 1 is provided with upper cavity 12 are provided with the first circular arc chamfering 11；Middle pressure head 2 is provided with the two ends of the one side of die cavity 22 in first and is provided with the second circular arc chamfering 21, and in second, the two ends of the one side of die cavity 24 are provided with three-arc chamfering 23；Push-down head arranges the two ends of the one side of lower mode cavity and is provided with the 4th circular arc chamfering 31.
Wherein, the radius of first circular arc chamfering the 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31 is 1.49mm to 1.51mm, it is preferred that the radius of first circular arc chamfering the 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31 is 1.50mm.
First circular arc chamfering the 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31 width in the horizontal direction are 0.99mm to 1mm, it is preferred that first circular arc chamfering the 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31 width in the horizontal direction are 1mm.
First circular arc chamfering 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31 are when cloth powder, mould seaming chuck 1, powder is easily assembled at middle pressure head 2 and push-down head 3 two ends, cause on limit the cylinder powder after two molding on the high side, occur that rib is big or cracking phenomena, use the first circular arc chamfering 11, second circular arc chamfering 21, unnecessary powder can be pressed into the first circular arc chamfering 11 by three-arc chamfering 23 and the 4th circular arc chamfering 31, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31, cut away two compressing after fine strip shape sintered neodymium iron boron material.
The mould for sintered NdFeB die mould that the present embodiment provides; after fine strip shape sintered NdFeB is excised by first circular arc chamfering the 11, second circular arc chamfering 21, three-arc chamfering 23 and the 4th circular arc chamfering 31; again reclaiming, process, continue with, the most cost-effective also protection resource is not wasted.
Additionally, the manufacture of seaming chuck 1, push-down head 3 and middle pressure head 2 typically will be through several procedures such as forging, machining, heat treatments, for ensureing seaming chuck 1, push-down head 3 and the workmanship of middle pressure head 2, reducing production cost, its material should have good malleability, machinability, hardenability, quenching degree and grindability；Mould for sintered NdFeB die mould also should have the performance without magnetic.
The material of seaming chuck 1, push-down head 3 and middle pressure head 2 can be nonmagnetic steel, magnetism-free stainless steel or non-magnesium hard alloy, it is preferred that the material of seaming chuck 1, push-down head 3 and middle pressure head 2 is magnetism-free stainless steel.
The mould for sintered NdFeB die mould that the present embodiment provides can be maintained through long-time use, meeting sharpening mouth after mould uses for a long time, to demagnetize when grinding cutting edge, because mould can not be magnetic by band, the most easily there is putty, and in the case of mould normal operation, the meeting various performance of testing mould, and the plastic part size of last molding is measured, the standing state of mould is can determine that by these information, find out die cavity, core, the damage place of cooling system and die joint etc., the information provided according to plastic, i.e. can determine whether distress condition and the maintenance measures of mould.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.
Claims (10)
1. the mould for sintered NdFeB die mould, it is characterised in that including: upper pressure
Head, push-down head and middle pressure head；
It is provided with upper cavity on described seaming chuck；
It is provided with lower mode cavity on described push-down head；
Medium pressure head is between described seaming chuck and described push-down head, and on medium pressure head
It is provided with die cavity in first coordinated with described upper cavity, and coordinated with described lower mode cavity
Die cavity in two.
Mould for sintered NdFeB die mould the most according to claim 1, its feature
Being, on described seaming chuck, parallel interval is provided with multiple described upper cavity, on described push-down head
Parallel interval is provided with multiple described lower mode cavity；Multiple described first it is provided with on medium pressure head
Die cavity in middle die cavity and multiple described second.
Mould for sintered NdFeB die mould the most according to claim 2, its feature
Being, in described upper cavity and described first, die cavity one_to_one corresponding is arranged；Die cavity in described second
Arrange with described lower mode cavity one_to_one corresponding.
Mould for sintered NdFeB die mould the most according to claim 1, its feature
Being, the cross section of described upper cavity, the cross section of described lower mode cavity, die cavity cuts in described first
The equal semicircular in shape in cross section of die cavity in face and described second.
Mould for sintered NdFeB die mould the most according to claim 1, its feature
Being, the two ends of the one side that described seaming chuck is provided with described upper cavity are provided with the first circular arc
Angle；
Medium pressure head is provided with the two ends of the one side of die cavity in described first and is provided with the second circle
Arc chamfering；Medium pressure head is provided with the two ends of the one side of die cavity in described second and is provided with the 3rd
Circular arc chamfering；
The two ends of the one side that described push-down head is provided with described lower mode cavity are provided with the 4th circular arc
Angle.
Mould for sintered NdFeB die mould the most according to claim 1, its feature
It is, the width of described upper cavity, the width of described lower mode cavity, the width of die cavity in described first
In degree and described second, the width of die cavity is 6.79mm to 6.81mm；
The degree of depth of described upper cavity, the degree of depth of described lower mode cavity, the degree of depth of die cavity in described first
With described second in the degree of depth of die cavity, the degree of depth of every die cavity is 2.49mm to 2.51mm.
Mould for sintered NdFeB die mould the most according to claim 2, its feature
It is, between two adjacent described upper cavities, in adjacent two described first between die cavity,
Between two described lower mode cavities in adjacent two described second between die cavity and adjacent
Interval is 0.29mm to 0.31mm.
Mould for sintered NdFeB die mould the most according to claim 5, its feature
It is, described first circular arc chamfering, the second circular arc chamfering, three-arc chamfering and the 4th circular arc
The radius of chamfering is 1.49mm to 1.51mm.
9. according to the mould for sintered NdFeB die mould described in any one of claim 5,
It is characterized in that, described first circular arc chamfering, the second circular arc chamfering, three-arc chamfering and
Four circular arc chamferings width in the horizontal direction is 0.99mm to 1mm.
10. according to the mould for sintered NdFeB die mould described in any one of claim 1-9
Tool, it is characterised in that the material of described seaming chuck, described push-down head and medium pressure head is
Magnetism-free stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438931.4U CN205587656U (en) | 2016-05-13 | 2016-05-13 | A mould for sintered nd -Fe -B die mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438931.4U CN205587656U (en) | 2016-05-13 | 2016-05-13 | A mould for sintered nd -Fe -B die mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180704A (en) * | 2016-10-10 | 2016-12-07 | 崔晓 | A kind of neodymium iron boron strip-shaped product mould and using method |
| CN109014188A (en) * | 2018-09-18 | 2018-12-18 | 安徽宁磁电子科技有限公司 | Radial magnetized neodymium ferrum boron cylindrical blank forms whole set of die and its production method |
-
2016
- 2016-05-13 CN CN201620438931.4U patent/CN205587656U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180704A (en) * | 2016-10-10 | 2016-12-07 | 崔晓 | A kind of neodymium iron boron strip-shaped product mould and using method |
| CN106180704B (en) * | 2016-10-10 | 2018-05-08 | 荣成宏秀山磁业有限公司 | A kind of neodymium iron boron strip-shaped product mould and application method |
| CN109014188A (en) * | 2018-09-18 | 2018-12-18 | 安徽宁磁电子科技有限公司 | Radial magnetized neodymium ferrum boron cylindrical blank forms whole set of die and its production method |
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Address after: 010000 Hohhot Jinshan Economic and Technological Development Zone, Jinshan Road, south of the city of the Inner Mongolia Autonomous Region Patentee after: NRE MAGNETIC Co.,Ltd. Address before: 010000 Hohhot Jinshan Economic and Technological Development Zone, Jinshan Road, south of the city of the Inner Mongolia Autonomous Region Patentee before: KYSL ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160921 |