CN105880587B - A kind of vertical press-moulding die of thin slice - Google Patents
A kind of vertical press-moulding die of thin slice Download PDFInfo
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- CN105880587B CN105880587B CN201610323461.1A CN201610323461A CN105880587B CN 105880587 B CN105880587 B CN 105880587B CN 201610323461 A CN201610323461 A CN 201610323461A CN 105880587 B CN105880587 B CN 105880587B
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- main body
- die
- side plate
- seaming chuck
- push
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
Abstract
The present invention provides a kind of vertical press-moulding die of thin slice, with solve the problems, such as mold powder input port existing in the prior art it is small, cannot by direct vertical compression moulding and production efficiency it is not high.Including seaming chuck, push-down head and die main body, die main body includes sequentially connected first side plate, first gear magnetic sheet, second side plate and second gear magnetic sheet, first side plate, first gear magnetic sheet, second side plate and second gear magnetic sheet are surrounded by die cavity, seaming chuck is set to die cavity top and is flexibly connected with die main body, push-down head is set to die cavity lower part and is flexibly connected with die main body, push-down head includes push-down head main body and the mold core that protrusion is set in push-down head main body, die cavity is separated into multiple submodule chambers by mold core, seaming chuck is provided with the seaming chuck cavity for accommodating mold core.The beneficial effect of the vertical press-moulding die of thin slice provided by the invention is: increasing powder input port width, realizes direct vertical compression moulding.
Description
Technical field
The present invention relates to mould applications more particularly to a kind of vertical press-moulding dies of thin slice.
Background technique
Neodymium iron boron magnetic body is the built-up magnet containing rare earth element, has magnetic property height, dimensional accuracy high, processable
The advantages that property is strong, it is very widely used in modern industry.It can apply and be driven in various hard disk drives, DVD drive
Device magnet can also do driving motor magnet in printer, duplicator, can be applied in automobile micro machine, Magnetic Sensor
In, neodymium iron boron magnetic body is the various indispensable functional materials of precision electric motor in modern industry.
In the prior art, the method for preparing neodymium iron boron magnetic body has parallel pressing and vertical pressing, parallel drawing method
Inefficiency, and the degree of orientation comes to harm when due to suppressing in parallel, and the performance of product can be greatly reduced.Differently- oriented directivity thickness is small
In 5mm, the long neodymium iron boron magnetic body product for being wider than 80*60mm since powder input port is small, in no normal direction die cavity plus powder and can not be real
An existing step vertically suppresses straight forming, it is common practice to compacting bulk first, then using the post-processings such as wire cutting means come
The product of specification needed for preparing.
That there are mold powder input ports is small for the vertical press-moulding die of thin slice in the prior art, cannot pass through directly vertical pressure
Type is made and problem that production efficiency is not high.
Summary of the invention
The present invention provides a kind of vertical press-moulding dies of thin slice, to solve mold powder input port existing in the prior art
It is small, direct vertical compression moulding and the not high problem of production efficiency cannot be passed through.
It is described the invention discloses a kind of vertical press-moulding die of thin slice, including seaming chuck, push-down head and die main body
Die main body includes sequentially connected first side plate, first gear magnetic sheet, the second side plate and second gear magnetic sheet, first side plate,
First gear magnetic sheet, the second side plate and second gear magnetic sheet are surrounded by die cavity, the seaming chuck be set to the die cavity top and with institute
Die main body flexible connection is stated, the push-down head is set to the die cavity lower part and is flexibly connected with the die main body, described
Push-down head includes push-down head main body and the mold core that protrusion is set in the push-down head main body, and die cavity is separated into more by the mold core
A sub- die cavity, the seaming chuck are provided with the seaming chuck cavity for accommodating the mold core.
Further, taper sharp portion is installed with above the mold core.
Further, the first gear magnetic sheet and the second gear magnetic sheet are by way of tenon connection with described first
Side plate is connected with second side plate.
Further, the push-down head main body is abutted with the inner wall of die main body.
Further, the first protrusion for grip is installed with below the push-down head main body.
Further, the seaming chuck includes seaming chuck main body, first baffle and second baffle, the first baffle and
The second baffle is divided into the two sides below the seaming chuck main body, the first baffle, the seaming chuck main body and described
Seaming chuck cavity is formed between second baffle.
Further, seaming chuck cavity top is set as pyramidal structure.
Further, the top of the seaming chuck main body is installed with the second protrusion for grip.
Further, first side plate and second side plate are made of permeability magnetic material.
Further, the first gear magnetic sheet and the second gear magnetic sheet are made of nonmagnetic steel.
In conjunction with above technical scheme, first aspect: since push-down head is provided with mold core to die cavity is projecting inward, mold core is by die cavity
It is separated into multiple submodule chambers, the opening of die cavity upper end is set as powder input port, a kind of vertical compression moulding of thin slice provided by the invention
The width of the powder input port of the powder input port width of mold than in the prior art is wide, and it is convenient to add powder, thus can realize vertical compacting.Second
Aspect: die cavity is separated into multiple submodule chambers by mold core, is realized multi-disc while being suppressed, improves production efficiency.
The beneficial effect of the vertical press-moulding die of thin slice provided by the invention is: increasing powder input port width, realizes
Direct vertical compression moulding.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the vertical press-moulding die of thin slice provided by the invention；
Fig. 2 is the structural schematic diagram of push-down head；
Fig. 3 is the structural schematic diagram of seaming chuck；
Fig. 4 is the front view of die main body；
Fig. 5 is the top view of Fig. 4.
Appended drawing reference
1- seaming chuck；2- push-down head；3- die main body；
4- die cavity；11- first baffle；12- second baffle；
13- seaming chuck main body；14- seaming chuck cavity；The second protrusion of 15-；
21- mold core；22- push-down head main body；The first protrusion of 23-；
The first side plate of 31-；The second side plate of 32-；33- first gear magnetic sheet；
34- second gear magnetic sheet；24- sharp portion.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The invention discloses a kind of vertical press-moulding dies of thin slice, including seaming chuck 1, push-down head 2 and die main body 3.
Die main body 3 includes sequentially connected first side plate 31, first gear magnetic sheet 33, the second side plate 32 and second gear magnetic sheet
34, the first side plate 31, first gear magnetic sheet 33, the second side plate 32 and second gear magnetic sheet 34 are surrounded by die cavity 4,3 upper end of die main body
And lower ending opening, die cavity 4 run through die main body 3, the top and bottom of die cavity 4 are each passed through seaming chuck 1 and push-down head 2.First
Side plate 31 and the second side plate 32 are oppositely arranged, and first gear magnetic sheet 33 and second gear magnetic sheet 34 are oppositely arranged.
First gear magnetic sheet 33 and second gear magnetic sheet 34 by way of tenon connection with the first side plate 31 and the second side plate 32
Connection.
Further, as a kind of specific embodiment, the first side plate 31 and 32 inside of the second side plate relative to
The setting of the position of first gear magnetic sheet 33 and second gear magnetic sheet 34 is fluted, and first gear magnetic sheet 33 and second gear magnetic sheet 34 are relative to the
The position of the groove of side plate 31 and the second side plate 32 is provided with protrusion, the protrusion card of first gear magnetic sheet 33 and second gear magnetic sheet 34
It is connected in the groove of the first side plate 31 and the second side plate 32.First side plate 31 and the second side plate 32 and first gear magnetic sheet 33 and second
The mortise-tenon joint mode kept off between magnetic sheet 34 is more stable, ensure that 4 inner volume of die cavity is constant, avoids magnetic powder and becomes in compacting
Shape.
Further, as a kind of specific embodiment, die main body 3 is set as cube structure, the first side
Plate 31 and the second side plate 32 are set as rectangular configuration, and first gear magnetic sheet 33 and second gear magnetic sheet 34 are set as rectangular configuration.
It should be understood that the structure of die main body 3 is not limited to tile-type, rectangular, trapezoidal etc., correspondingly, die cavity 4 is not limited to
Tile-type die cavity 4, rectangular die cavity 4, trapezoidal die cavity 4 etc..
When preparing neodymium iron boron magnetic body, need to carry out orientation process to magnetic powder, it is common practice in some of magnetic powder
The magnetic field that orientation applies directional, NdFeB magnetic powder have magnetism, and NdFeB magnetic powder is under the influence of a magnetic field along the side of magnetic induction line
To arrangement, neodymium iron boron magnetic body generates polarity after the completion of orientation.
Further, as a kind of specific embodiment, cartridge, cartridge setting are provided with outside die main body 3
There are two, the polarity of two cartridges is opposite.
Further, as a kind of specific embodiment, two cartridges are separately positioned on the first side plate 31 and
The outside of two side plates 32, the magnetic induction line that two cartridges generate pass through the first side plate 31 and the second side plate 32 and act in die cavity 4
Magnetic powder so that magnetic powder oriented alignment in die cavity 4.
First side plate 31 and the second side plate 32 are made of permeability magnetic material.
Reason is: the magnetic induction line that two cartridges generate can pass through the first side plate 31 and the second side plate 32 and act on mould
Magnetic powder in chamber 4.
First gear magnetic sheet 33 and second gear magnetic sheet 34 are made of nonmagnetic steel.
Reason is: the first side plate 31 and the second side plate 32 are made of permeability magnetic material, if first gear magnetic sheet 33 and second gear
Magnetic sheet 34 is also made of permeability magnetic material, then magnetic field closed circuit can be formed in side plate and gear magnetic sheet, influences magnetic powder orientation.
Push-down head 2 is set to 4 lower part of die cavity and is flexibly connected with die main body 3.Push-down head 2 includes 22 He of push-down head main body
Protrude the mold core 21 being set in push-down head main body 22.
Push-down head main body 22 is fixedly arranged on the lower section of mold core 21, and 22 both ends of push-down head main body are abutted with the inner wall of die main body 3.
Push-down head main body 22 can move up and down in die cavity 4.22 top of push-down head main body is for carrying magnetic powder.The master of push-down head main body 22
It is used to seal and reinforce.
Further, as a kind of specific embodiment, push-down head main body 22 is set as rectangular configuration.Push-down head
Four sides of main body 22 are abutted against with the first side plate 31, first gear magnetic sheet 33, the second side plate 32 and second gear magnetic sheet 34 respectively.
Further, as a kind of specific embodiment, push-down head main body 22 is set as un-conducted magnetic material.
The first protrusion 23 is fixedly provided with below push-down head main body 22, for the first protrusion 23 for holding, external impetus mechanism is logical
Cross the first protrusion 23 of clamping to push-down head 2 apply the power that upwardly or downwardly moves make push-down head 2 rise in die cavity 4 or under
Drop.
Further, as a kind of specific embodiment, the first protrusion 23 is set as trapezium structure, and trapezoidal is short
While being disposed in proximity to the side of die cavity 4, trapezoidal long side is set to the side far from die cavity 4.The trapezium structure of first protrusion 23
Design facilitates the clamping of external impetus mechanism.
Further, as a kind of specific embodiment, the first protrusion 23 is made of permeability magnetic material.
Die cavity 4 is separated into multiple submodule chambers by mold core 21, is installed with taper sharp portion 24 above mold core 21.21 main body of mold core
With 24 integrally connected of sharp portion.Sharp portion 24 is set as pyramidal structure.
It should be understood that in the prior art, when neodymium iron boron magnetic body finished product differently- oriented directivity thickness is less than 5mm, length is wider than
When 80*60mm, the neodymium iron boron magnetic body finished product of sinter molding can not be by the vertical compression moulding of one-step method, this is because neodymium-iron-boron
Body finished product thickness is too thin, vertically when compacting, adds magnetic powder in no normal direction die cavity 4, and often using compacting bulk, then use line
The post-processings means such as cutting prepare required product, and the period for producing neodymium iron boron magnetic body finished product in the prior art is long, production cost
Height, resource utilization are low.
A kind of vertical press-moulding die of thin slice provided by the invention is at 2 middle part of push-down head to the projecting inward setting mould of die cavity 4
Die cavity 4 is separated into multiple submodule chambers 4 by core 21, mold core 21.The structure of this chamber multicell significantly increases die main body 3 plus powder
The width of mouth.Allow magnetic powder it is smooth, easy to quickly enter die cavity 4, to realize the vertical pressure of neodymium iron boron magnetic body
System,
Further, as a kind of specific embodiment, mold core 21 is set as rectangular configuration.
Further, as a kind of specific embodiment, mold core 21 is parallel to the first side plate 31 and the second side plate
32。
Further, as a kind of specific embodiment, mold core 21 is made of permeability magnetic material.
The reason of sharp portion is arranged in a kind of vertical press-moulding die of thin slice provided by the invention above mold core 21 is:
NdFeB magnetic powder angle of repose is larger, mobility is poor, and magnetic powder is easy to happen accumulation when entering die cavity 4 by powder input port
And cause cloth powder uneven, sharp portion is set above mold core 21, it is possible to increase the flowing of the magnetic powder of die cavity 4 is fallen into from powder input port
Property, the accumulation of magnetic powder is avoided, ensure that the homogeneity of magnetic powder.
On the one hand the mentality of designing of mould multicell provided by the invention can increase powder input port width, realize directly vertical
Compression moulding；On the other hand, multi-disc can be once suppressed, is improved work efficiency.By taking one mould of tile mould, two Room mold as an example,
The vertical press-moulding die of thin slice provided by the invention may be implemented to hang down with a thickness of 5mm, the long tile product for being wider than 80*60mm
Histogram formula suppresses and only can need to be carried out mill processing after product firing with the manufacturing process of straight forming, avoid inefficiency
And the post-processing procedures such as expensive wire cutting, the production cycle is greatly shortened, the utilization rate of material is improved, substantially drops
Low production cost.
It will be understood by those skilled in the art that a kind of vertical press-moulding die of thin slice provided by the invention is provided with 1
Die cavity 4 is separated into 2 sub- die cavitys by 21,1 mold core 21 of mold core, but the invention is not limited to 1 mold core 21, mold core 21 can be set
Set multiple, die cavity 4 is separated into multiple submodule chambers by multiple mold cores 21.
Further, as a kind of specific embodiment, mold core 21 is provided with 2, and 2 mold cores 21 are mutually flat
Die cavity 4 is separated into 3 sub- die cavitys by row, 2 mold cores 21.
Seaming chuck 1 is set to 4 top of die cavity and is flexibly connected with die main body 3, and seaming chuck 1 is provided with for accommodating mold core
21 seaming chuck cavity 14.Seaming chuck 1 includes seaming chuck main body 13, first baffle 11 and second baffle 12,11 He of first baffle
Second baffle 12 is divided into the two sides of the lower section of seaming chuck main body 13, first baffle 11, seaming chuck main body 13 and second baffle 12 it
Between form seaming chuck cavity 14, seaming chuck cavity 14 is adapted to mold core 21
Further, as a kind of specific embodiment, seaming chuck main body 13, first baffle 11 and second baffle
12 integrally connecteds.
Further, as a kind of specific embodiment, 14 top of seaming chuck cavity is set as conical cavity, cone
The angle of shape cavity top is set as 90 ° -120 °.
Further, as a kind of specific embodiment, 14 bottom of seaming chuck cavity is set as rectangular enclosure, on
14 top of pressure head cavity is set as conical cavity.
Seaming chuck 1 is provided with the second protrusion 15 far from the end of die cavity 4, similar with the first protrusion 23 of push-down head 2, and second
For holding, external impetus mechanism is upwardly or downwardly moved by the second protrusion 15 of clamping to the application of seaming chuck 1 protrusion 15
Power is so that seaming chuck 1 rises or falls in die cavity 4.
Further, as a kind of specific embodiment, the second protrusion 15 is set as trapezium structure, and trapezoidal is short
While being disposed in proximity to 4 side of die cavity, trapezoidal long side is set to the side far from die cavity 4.The trapezium structure of second protrusion 15
Design facilitates the clamping of external impetus mechanism.
Further, as a kind of specific embodiment, the second protrusion 15 is made of permeability magnetic material.
A kind of beneficial effect of the vertical press-moulding die of thin slice provided by the invention is:
First aspect: since push-down head 2 is provided with mold core 21 to the protrusion of die cavity 4, die cavity 4 is separated into multiple sons by mold core 21
Die cavity, the opening of 4 upper end of die cavity are set as powder input port, a kind of powder input port of the vertical press-moulding die of thin slice provided by the invention
The width of the powder input port of width than in the prior art is wide, adds powder convenient, realizes direct vertical compression moulding.
Second aspect: die cavity 4 is separated into multiple submodule chambers by mold core 21, is realized multi-disc while being suppressed, and production is improved
Efficiency.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or to some or all of.
Claims (6)
1. a kind of vertical press-moulding die of thin slice, which is characterized in that including seaming chuck (1), push-down head (2) and die main body
(3), the die main body (3) includes sequentially connected first side plate (31), first gear magnetic sheet (33), the second side plate (32) and
Second gear magnetic sheet (34), first side plate (31), first gear magnetic sheet (33), the second side plate (32) and second gear magnetic sheet (34) surround
At die cavity (4), the seaming chuck (1) is set to the die cavity (4) top and is flexibly connected with the die main body (3), described
Push-down head (2) is set to the die cavity (4) lower part and is flexibly connected with the die main body (3), under the push-down head (2) includes
Crimp body (22) and protrusion are set to the mold core (21) on the push-down head main body (22), and the mold core (21) is by die cavity (4)
Multiple submodule chambers are separated into, the seaming chuck (1) is provided with the seaming chuck cavity (14) for accommodating the mold core (21)；It is described
Seaming chuck (1) includes seaming chuck main body (13), first baffle (11) and second baffle (12), the first baffle (11) and described
Second baffle (12) is divided into the two sides below the seaming chuck main body (13), the first baffle (11), the seaming chuck master
Seaming chuck cavity (14) are formed between body (13) and the second baffle (12)；First side plate (31) and second side plate
(32) it is made of permeability magnetic material；The first gear magnetic sheet (33) and the second gear magnetic sheet (34) are made of nonmagnetic steel；
Taper sharp portion (24) are installed with above the mold core (21).
2. a kind of vertical press-moulding die of thin slice according to claim 1, which is characterized in that the first gear magnetic sheet
(33) and the second gear magnetic sheet (34) by way of tenon connection with first side plate (31) and second side plate
(32) it connects.
3. a kind of vertical press-moulding die of thin slice according to claim 2, which is characterized in that the push-down head main body
(22) it is abutted with the inner wall of die main body (3).
4. a kind of vertical press-moulding die of thin slice according to claim 3, which is characterized in that the push-down head main body
(22) first raised (23) for grip are installed with below.
5. a kind of vertical press-moulding die of thin slice according to claim 4, which is characterized in that the seaming chuck cavity
(14) top is set as pyramidal structure.
6. a kind of vertical press-moulding die of thin slice according to claim 5, which is characterized in that the seaming chuck main body
(13) top is installed with second raised (15) for grip.
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| CN201610323461.1A CN105880587B (en) | 2016-05-13 | 2016-05-13 | A kind of vertical press-moulding die of thin slice |
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|---|---|---|---|
| CN201610323461.1A CN105880587B (en) | 2016-05-13 | 2016-05-13 | A kind of vertical press-moulding die of thin slice |
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| CN105880587B true CN105880587B (en) | 2019-06-07 |
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|---|---|
| CN105880587A (en) | 2016-08-24 |
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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 Applicant after: Sheng Lun Magnetic Industry Co., Ltd. Address before: 010000 Hohhot Jinshan Economic and Technological Development Zone, Jinshan Road, south of the city of the Inner Mongolia Autonomous Region Applicant before: KYSL ADVANCED MATERIAL TECHNOLOGY CO., LTD. |
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