CN217414361U - Ferrite mold with multiple molding cavities - Google Patents
Ferrite mold with multiple molding cavities Download PDFInfo
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- CN217414361U CN217414361U CN202221273082.3U CN202221273082U CN217414361U CN 217414361 U CN217414361 U CN 217414361U CN 202221273082 U CN202221273082 U CN 202221273082U CN 217414361 U CN217414361 U CN 217414361U
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Abstract
The utility model provides a ferrite mould with a plurality of shaping die cavities, includes the body, be equipped with a plurality of carbide covers on the body, interference fit between carbide cover and the body, set up 2 at least die cavities on every carbide cover, leave the interval between the adjacent carbide cover. The utility model discloses under forming die's shaping die face size certain condition, reduce the distance between every independent die cavity, the effective area of make full use of forming die's shaping die face can increase the die cavity number of a mould by a wide margin to can the tonnage advantage of full play large-tonnage press, improve the permanent magnetic ferrite product shaping quantity in the unit interval, improve production efficiency, reduce permanent magnetic ferrite product manufacturing cost.
Description
Technical Field
The utility model relates to a ferrite product's mould especially relates to a ferrite mould with a plurality of shaping die cavities.
Background
The mold of ferrite products mainly includes upper die, cavity and lower punch, wherein there are one or more die cavity holes in the cavity, equip a lower punch in each die cavity hole, the cavity body is only to open 1 die cavity on a nonmagnetic hard alloy cover, there are N nonmagnetic hard alloy covers on the shaping die cavity of a mould N piece, must use nonmagnetic stainless steel material of wall thickness about 20mm as supporting the skeleton and bearing the weight of between two adjacent nonmagnetic hard alloy covers, it is very feasible that this technology is used in the shaping die of the medium-and-large-scale magnet; however, when the non-magnetic stainless steel is used for a forming die of a small magnet, the non-magnetic stainless steel between two adjacent non-magnetic hard alloy sleeves occupies a larger die surface space, so that the number of die cavities which can be distributed by one die is small under the condition of a certain forming die surface of the forming die, the tonnage advantage of a large-tonnage press cannot be fully exerted, and the output per die is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide an improve product quantity in the unit interval, improve production efficiency, reduce the manufacturing cost and the manufacturing cost's of mould ferrite mould that has a plurality of shaping die cavities.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a ferrite mould with a plurality of shaping die cavities, includes the body, be equipped with a plurality of carbide covers on the body, interference fit between carbide cover and the body, set up 2 at least die cavities on every carbide cover, leave the interval between the adjacent carbide cover.
Furthermore, the number of the hard alloy sleeves is at least 4. This facilitates the opening of more cavities in the limited area of the body.
Furthermore, a plurality of runner holes are formed in the body, a small hole is formed in the side wall of each hard alloy sleeve and communicated with the runner holes, and therefore the cavity body can be used for automatic injection molding production.
Further, the runner hole is located between adjacent carbide sleeves.
Further, the hard alloy sleeve is rectangular. Thus being beneficial to preventing the hard alloy sleeve from loosening and rotating.
Further, the die cavity is rectangular, square or circular.
Further, the body is made of stainless steel.
The utility model discloses under forming die's shaping die face size certain condition, reduce the distance between every independent die cavity, the effective area of make full use of forming die's shaping die face can increase the die cavity number of a mould by a wide margin to can the tonnage advantage of full play large-tonnage press, improve the permanent magnetic ferrite product shaping quantity in the unit interval, improve production efficiency, reduce permanent magnetic ferrite product manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of comparative example 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of comparative example 2 of the present invention.
In the figure: 1. the die cavity comprises a die cavity body, 2, a runner hole, 3, a hard alloy sleeve, 4, a forming die cavity and 5, a die cavity small hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1:
referring to fig. 1, the square magnet molding cavity is F27 × 17, the shape size of a stainless steel cavity body 1 is 450 × 400, 2 square molding cavities 4 are opened in each rectangular hard alloy sleeve 3, a total of 20 hard alloy sleeves 3 are assembled, the whole stainless steel cavity body 1 is provided with 40 cavities, and the cavity body 1 is combined with known upper and lower dies to form the square magnet mold, so that 40 pieces of molding in one die can be realized. The specific working process is as follows: after the upper die, the forming cavity and the lower die are assembled, raw slurry sequentially enters a forming die cavity 4 through a runner hole 2 and a die cavity small hole 5 on the hard alloy sleeve 3, and under the action of a press and an orientation magnetic field, the slurry is oriented and dehydrated to form a square magnet green body.
The hard alloy sleeve 3 is rectangular, so that the loosening and rotating phenomena of the alloy sleeve can be prevented, and the defect proportion of cracking and chipping of green bodies is reduced.
Comparative example 1:
referring to the attached fig. 2, the F27 × 17 square magnet molding cavity designed by the known technology has the same external dimensions as those of the embodiment 1, 1 square mold cavity is formed in each hard alloy sleeve, and since the non-magnetic stainless steel material with the wall thickness of about 20mm must be used as the supporting framework between two adjacent non-magnetic hard alloy sleeves, only 30 hard alloy sleeves can be arranged in the same external dimensions of the molding cavity, and 30 mold cavities are arranged in the whole molding cavity, and the molding cavity is combined with known upper and lower molds to form the square magnet mold, which can only realize the molding of 30 pieces by one mold, and the molding efficiency is greatly reduced compared with that of the embodiment 1.
Example 2:
with reference to figure 3 of the drawings,
the stainless steel die cavity body 1 is 380 multiplied by 340 in the overall dimension, each rectangular hard alloy sleeve 3 is internally provided with 6 circular forming die cavities 4, 9 rectangular hard alloy sleeves 3 are assembled, the whole die cavity body 1 is provided with 54 forming die cavities 4, and the die cavity body 1 is combined with known upper dies, lower dies and other parts to form a circular sheet magnet die, so that 54 pieces of dies can be formed. The specific working process is as follows: after the upper die, the forming cavity and the lower die are assembled, raw slurry sequentially enters a forming die cavity 4 through a runner hole 2 and a die cavity small hole 5 on the hard alloy sleeve 3, and under the action of a press and an orientation magnetic field, the slurry is oriented and dehydrated to form a square magnet green body.
The rectangular hard alloy sleeve is beneficial to preventing the alloy sleeve from loosening and rotating, thereby reducing the defect proportion of cracking and chipping of the green body.
Comparative example 2:
with reference to fig. 4, designed using known techniques
The shape and size of the cavity body of the round magnet molding cavity are the same as those of the embodiment 2, the hard alloy sleeves are round, 1 round molding cavity is arranged in each hard alloy sleeve, and since non-magnetic stainless steel materials with the wall thickness of about 20mm are required to be used as supporting frameworks between two adjacent non-magnetic hard alloy sleeves, only 42 hard alloy sleeves can be distributed in the range of the shape and size of the same molding cavity body, 42 molding cavities are distributed in the whole molding cavity body, and the molding cavity body is combined with known upper and lower dies to form a square magnet die, so that only 42 pieces of molding can be realized, and the molding efficiency is greatly reduced compared with the embodiment 2. In addition, after the die is used for a long time, the circular alloy sleeve is easy to loosen and rotate, so that the green body is easy to crack and fall off.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (7)
1. The utility model provides a ferrite mould with a plurality of shaping die cavities, includes the body, its characterized in that: the body is provided with a plurality of hard alloy sleeves, the hard alloy sleeves are in interference fit with the body, each hard alloy sleeve is provided with at least 2 die cavities, and a space is reserved between every two adjacent hard alloy sleeves.
2. A ferrite mold having a plurality of molding cavities according to claim 1, wherein: the number of the hard alloy sleeves is at least 4.
3. A ferrite mold having multiple molding cavities according to claim 1, wherein: a plurality of runner holes are formed in the body, and a small hole is formed in the side wall of each hard alloy sleeve and communicated with the runner holes.
4. A ferrite mold having multiple molding cavities according to claim 3, wherein: the runner holes are positioned between adjacent cemented carbide sleeves.
5. A ferrite mold having a plurality of molding cavities according to claim 1, wherein: the hard alloy sleeve is rectangular.
6. A ferrite mold having a plurality of molding cavities according to claim 1, wherein: the die cavity is rectangular, square or circular.
7. A ferrite mold having a plurality of molding cavities according to claim 1, wherein: the body is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221273082.3U CN217414361U (en) | 2022-05-24 | 2022-05-24 | Ferrite mold with multiple molding cavities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221273082.3U CN217414361U (en) | 2022-05-24 | 2022-05-24 | Ferrite mold with multiple molding cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217414361U true CN217414361U (en) | 2022-09-13 |
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ID=83190681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221273082.3U Active CN217414361U (en) | 2022-05-24 | 2022-05-24 | Ferrite mold with multiple molding cavities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217414361U (en) |
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2022
- 2022-05-24 CN CN202221273082.3U patent/CN217414361U/en active Active
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