CN213617345U - Forming die and equipment of three-dimensional magnetic core of integral type - Google Patents
Forming die and equipment of three-dimensional magnetic core of integral type Download PDFInfo
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- CN213617345U CN213617345U CN202021748254.9U CN202021748254U CN213617345U CN 213617345 U CN213617345 U CN 213617345U CN 202021748254 U CN202021748254 U CN 202021748254U CN 213617345 U CN213617345 U CN 213617345U
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- magnetic core
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- 238000000465 moulding Methods 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 description 11
- 230000000994 depressogenic effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a forming die and equipment of three-dimensional magnetic core of integral type, include: the upper die is provided with a first forming area, and the first forming area is provided with a concave position; the lower molding structure is provided with a second molding area, a bulge is arranged on the second molding area corresponding to the concave position, and the first molding area and the second molding area are matched in a matched mode to manufacture the magnetic core; when the die is closed, the protrusions and the recesses are matched to apply pressure to powder located between the protrusions and the recesses and form the bosses of the magnetic core. Filling molding powder between the first molding area and the second molding area, and matching the first molding area and the second molding area in a matched mode to manufacture the magnetic core; when the die is closed, the powder between the convex part and the concave part is extruded by matching the convex part and the concave part, so that the density of the boss of the magnetic core is increased, and the quality of the magnetic core is improved.
Description
Technical Field
The utility model relates to a magnetic core shaping technical field, in particular to forming die and equipment of three-dimensional magnetic core of integral type.
Background
As shown in fig. 1, the magnetic core is a one-piece three-dimensional magnetic core, which has a multi-level step design and has a boss on the top surface. For this type of test magnetic core, generally adopt the engraver to carve the ferrite bulk material and obtain, but above-mentioned production method has intensity of labour big, and the low problem of production efficiency. Therefore, in the prior art, the magnetic core is produced by adopting a powder forming die design mode, however, in the forming process, the magnetic core powder moves to the outer side of the forming die along the boss, the density of the boss of the magnetic core cannot be guaranteed, and the density of the boss of the magnetic core is smaller, so that after forming, the structural strength of the boss of the magnetic core is smaller, and the quality of the magnetic core is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a forming die of three-dimensional magnetic core of integral type, forming die can increase the density of magnetic core boss department, improves the magnetic core quality.
The utility model discloses still provide an use the forming die's of the three-dimensional magnetic core of above-mentioned integral type equipment.
According to the utility model discloses a forming die of three-dimensional magnetic core of integral type of first aspect embodiment, include: the upper die is provided with a first forming area, and the first forming area is provided with a concave position; the lower molding structure is provided with a second molding area, a bulge is arranged on the second molding area corresponding to the concave position, and the first molding area and the second molding area are matched in a matched mode to manufacture the magnetic core; when the die is closed, the protrusions and the recesses are matched to apply pressure to powder located between the protrusions and the recesses and form bosses of the magnetic core.
According to the utility model discloses forming die of three-dimensional magnetic core of integral type has following beneficial effect at least: filling molding powder between the first molding area and the second molding area, and matching the first molding area and the second molding area in a matched mode to manufacture the magnetic core; when the die is closed, the powder between the convex part and the concave part is extruded by matching the convex part and the concave part, so that the density of the boss of the magnetic core is increased, and the quality of the magnetic core is improved.
According to the utility model discloses a some embodiments, the quantity of concave position sets up to four, four concave position distribute in the regional four corners of first shaping, bellied quantity sets up to four, four the arch distribute in the regional four corners of second shaping.
According to some embodiments of the present invention, the first forming region is provided with a convex surface, the convex surface is in a cross shape, and four concave positions are respectively located at the defect position between each two adjacent sides of the convex surface; the second forming area comprises a first area and a second area, the height of the first area is lower than that of the second area, the second area is recessed inwards, the second area is arranged around the first area, and a space is reserved between one side wall of the first area and the opposite side wall of the second area so as to form a side wall of the magnetic core; the first area comprises a concave surface and four bulges, the concave surface is in a cross shape, the four bulges are respectively positioned at the defect positions between two adjacent edges of the concave surface, a first concave part and a second concave part are arranged in the second area, the second area is in a cuboid annular structure, the number of the first concave parts is four, the four first concave parts are respectively positioned at four corners of the second area, the four first concave parts are correspondingly matched with the four bulges, and the bottom surface of each first concave part and the side surface of the second area arranged in parallel with the bottom surface of each first concave part are provided with intervals; the second depressed part encircles the first district setting, just the bottom surface of first depressed part is higher than the bottom surface of second depressed part, the second depressed part includes four groove faces that are connected, wherein two relatively set up the concave part on the groove face respectively, two relatively in addition be provided with the convex part on the groove face respectively.
According to some embodiments of the invention, the lower form structure comprises: the female die is provided with a die hole, the die hole is of a rectangular structure, and the four first concave parts are arranged at four included angles of the die hole; the lower die assembly is inserted into the die hole, a first section and a second section which are located in the die hole are arranged on the lower die assembly, the height of the first section is higher than that of the second section, the first area is the upper end face of the first section, a space is reserved between the side face of the first section and the die hole to form the second area, the second section is located in the second area, and the groove face of the second sunken portion is the upper end face of the second section.
According to some embodiments of the utility model, female type in the edge of nib be provided with the regional complex spout material chute of second shaping.
According to some embodiments of the utility model, the quantity of spout the material chute sets up to four, per two be provided with one between the first depressed part spout the material chute.
According to some embodiments of the invention, the drag assembly comprises: the upper part of the middle rod is rectangular, and the upper end surface of the first section is the upper end surface of the middle rod; the upper portion of the lower die is matched with the die holes, the lower die is provided with an insertion channel penetrating through the lower die, the insertion channel is used for inserting the upper portion of the middle rod and is matched with the middle rod, the two concave portions are respectively arranged on two sides, opposite to the upper end face, of the lower die, and the two convex portions are respectively arranged on the other two sides, opposite to the upper end face, of the lower die.
According to some embodiments of the invention, the bottom of the middle stick is provided with a first base.
According to some embodiments of the invention, the bottom of the lower mould is provided with a second base.
According to the utility model discloses an equipment of second aspect embodiment, include according to the utility model discloses the three-dimensional magnetic core of integral type of above-mentioned first aspect embodiment's forming die.
According to the utility model discloses equipment has following beneficial effect at least: the equipment is provided with a forming die of the integrated three-dimensional magnetic core, forming powder is filled between a first forming area and a second forming area, and the first forming area and the second forming area are matched in a matched mode to form the magnetic core; when the die is closed, the powder between the convex part and the concave part is extruded by matching the convex part and the concave part, so that the density of the boss of the magnetic core is increased, and the quality of the magnetic core is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an integrated three-dimensional magnetic core;
fig. 2 is a schematic structural view of a forming mold according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the structure of FIG. 2 from another perspective;
fig. 6 is an exploded view of fig. 2.
Reference numerals:
an upper mold 10, a first molding area 11, a concave position 111 and a convex surface 112;
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1 to 4, a forming mold for an integrated three-dimensional magnetic core according to an embodiment of the first aspect of the present invention includes: the upper die 10, wherein a first forming area 11 is arranged on the upper die 10, and a concave position 111 is arranged on the first forming area 11; the lower molding structure 20, a second molding area 21 is arranged on the lower molding structure 20, a protrusion 211 is arranged on the second molding area 21 corresponding to the concave position 111, and the first molding area 11 and the second molding area 21 are matched in a matched mode to manufacture the magnetic core 30; wherein, when the mold is closed, the protrusion 211 and the concave 111 cooperate to apply pressure to the powder located therebetween and can form the boss 31 of the magnetic core 30.
According to the utility model discloses three-dimensional magnetic core's of integral type forming die, pack the shaping powder between first shaping region 11 and second shaping region 21, cooperate through first shaping region 11 and second shaping region 21 compound die in order to make magnetic core 30; when the die is closed, the protrusions 211 and the concave parts 111 are matched, powder between the protrusions and the concave parts is extruded, so that the density of the bosses 31 of the magnetic core 30 is increased, and the quality of the magnetic core 30 is improved.
The utility model discloses a some embodiments, the quantity of concave position 111 sets up to four, and four concave position 111 distribute in the four corners of first forming region 11, and the quantity of arch 211 sets up to four, and four arch 211 distribute in the four corners of second forming region 21, and simple structure is convenient for make and make as magnetic core 30 shown in fig. 1.
It is understood that, as shown in fig. 2 to 6, in some embodiments of the present invention, the first forming area 11 is provided with a convex surface 112, the convex surface 112 is in a cross shape, and four concave positions 111 are respectively located at the defect between two adjacent sides of the convex surface 112; the second molding region 21 includes a first region having a height lower than that of the second region, the second region being recessed inward, the second region being disposed around the first region, and a sidewall of the first region and a sidewall of the opposite second region having a space therebetween for forming a sidewall of the magnetic core 30; the first area comprises a concave surface 212 and four protrusions 211, the concave surface 212 is in a cross shape, the four protrusions 211 are respectively located at the defect positions between two adjacent sides of the concave surface 212, a first concave part 213 and a second concave part 214 are arranged in the second area, the second area is in a cuboid annular structure, the number of the first concave parts 213 is four, the four first concave parts 213 are respectively located at four corners of the second area, the four first concave parts 213 are correspondingly matched with the four protrusions 211, and the bottom surface of each first concave part 213 and the side surface of the second area arranged in parallel with the bottom surface of each first concave part 213 have intervals; the second concave portion 214 is disposed around the first region, and the bottom surface of the first concave portion 213 is higher than the bottom surface of the second concave portion 214, the second concave portion 214 includes four connected groove surfaces, wherein two opposite groove surfaces are respectively disposed with a concave portion 2141, and the other two opposite groove surfaces are respectively disposed with a convex portion 2142. By adopting the structure, the magnetic core 30 shown in fig. 1 is manufactured, the operation is convenient, the structure is simple, and the precision requirement of the magnetic core 30 is ensured.
In some embodiments of the present invention, the end of the convex surface 112 of the upper mold 10 away from the center thereof has an arc surface for chamfering, and the arc surface is used for chamfering the top surface of the magnetic core 30 between the two bosses 31. When the mold is closed, the magnetic core 30 can be chamfered quickly and easily.
In some embodiments of the present invention, the lower structure 20 comprises: the female die 22 is provided with a die hole 221, the die hole 221 is of a rectangular structure, and four first concave parts 213 are arranged at four included angles of the die hole 221; the lower mould component 23, the lower mould component 23 cartridge is in the nib 221, be provided with first section 231 and the second section 232 that lie in the nib 221 on the lower mould component 23, the height of first section 231 is higher than the height of second section 232, the first district is the up end of first section 231, have the interval between the side of first section 231 and the nib 221 in order to form the second district, the second section 232 lies in the second district, the groove face of second depressed part 214 is the up end of second section 232. Split type equipment fills the shaping powder in second molding region 21, through the removal of upper mould 10 towards lower mould 234 group structure and compound die, this magnetic core 30 of the machine-shaping of being convenient for, simple structure, the equipment is convenient, the change of being convenient for, and can ensure magnetic core 30's required precision.
It will be appreciated that in some embodiments of the invention, as shown in fig. 2 to 6, the female mold 22 is provided with a spray chute 40 at the edge of the die hole 221, which cooperates with the second forming area 21. The powder at the relatively high-density part is sprayed out through the material spraying chute 40 during the forming process, so that the density of each part is uniform when the magnetic core 30 is formed, the poor warping deformation caused by the density difference is avoided or reduced to the maximum extent, the purpose of mass production and test of the magnetic core 30 is achieved, and the design is simple.
In an embodiment, the number of the injection chutes 40 is four, and one injection chute 40 is disposed between every two first recesses 213, so that the density of each portion of the magnetic core 30 is further uniform.
It will be appreciated that, as shown in fig. 2 to 6, in some embodiments of the present invention, the drag assembly 23 comprises: a middle rod 233, wherein the upper part of the middle rod 233 is rectangular, and the upper end surface of the first section 231 is the upper end surface of the middle rod 233; the upper portion of the lower mold 234 is fitted with the mold hole 221, the lower mold 234 is provided with an insertion passage 2341 penetrating through the lower mold 234, the insertion passage 2341 is used for the upper portion of the middle rod 233 to be inserted and fitted, the two concave portions 2141 are respectively arranged on two opposite sides of the upper end face of the lower mold 234, and the two convex portions 2142 are respectively arranged on the other opposite sides of the upper end face of the lower mold 234.
In some embodiments of the present invention, the bottom of the middle rod 233 is provided with a first base 2331, which is convenient for installation and improves the structural stability of the middle rod 233.
In some embodiments of the present invention, the bottom of the lower mold 234 is provided with a second base 2342, which is convenient for installation, and improves the structural stability of the lower mold 234.
It should be noted that, in some embodiments of the present invention, the height of the step difference of the forming mold is calculated according to the compression ratio of the powder, and the relative positions of the female mold 22, the middle rod 233 and the lower mold 234 can be adjusted to process products with different step difference values.
According to the utility model discloses an equipment of second aspect embodiment, include according to the utility model discloses the three-dimensional magnetic core of integral type of above-mentioned first aspect embodiment's forming die.
According to the embodiment of the utility model, the equipment is provided with the forming die of the integrated three-dimensional magnetic core, the forming powder is filled between the first forming area 11 and the second forming area 21, and the magnetic core 30 is manufactured by the matched die of the first forming area 11 and the second forming area 21; when the die is closed, the protrusions 211 and the concave parts 111 are matched, powder between the protrusions and the concave parts is extruded, so that the density of the bosses 31 of the magnetic core 30 is increased, and the quality of the magnetic core 30 is improved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. Three-dimensional magnetic core's of integral type forming die, its characterized in that includes:
the upper die (10), a first forming area (11) is arranged on the upper die (10), and a concave position (111) is arranged on the first forming area (11);
the lower molding structure (20), a second molding area (21) is arranged on the lower molding structure (20), a protrusion (211) is arranged on the second molding area (21) corresponding to the concave position (111), and the first molding area (11) and the second molding area (21) are matched in a matched mode to manufacture the magnetic core (30);
when the mold is closed, the protrusion (211) and the concave position (111) are matched to apply pressure to powder positioned between the protrusion and the concave position and form a boss (31) of the magnetic core (30).
2. The forming mold of the integrated three-dimensional magnetic core according to claim 1, wherein the number of the concave positions (111) is four, four concave positions (111) are distributed at four corners of the first forming region (11), the number of the protrusions (211) is four, and four protrusions (211) are distributed at four corners of the second forming region (21).
3. The forming die for the integrated three-dimensional magnetic core according to claim 2, wherein a convex surface (112) is arranged on the first forming region (11), the convex surface (112) is in a cross shape, and four concave positions (111) are respectively located at the defect between two adjacent sides of the convex surface (112);
the second forming region (21) comprises a first region and a second region, the height of the first region is lower than that of the second region, the second region is recessed inwards, the second region is arranged around the first region, and a distance is formed between one side wall of the first region and the opposite side wall of the second region so as to form the side wall of the magnetic core (30);
the first area comprises a concave surface (212) and four protrusions (211), the concave surface (212) is in a cross shape, the four protrusions (211) are respectively located at the defect positions between two adjacent sides of the concave surface (212), a first concave part (213) and a second concave part (214) are arranged in the second area, the second area is in a cuboid annular structure, the number of the first concave parts (213) is four, the four first concave parts (213) are respectively located at four corners of the second area, the four first concave parts (213) are correspondingly matched with the four protrusions (211), and the bottom surface of the first concave part (213) and the side surface of the second area arranged in parallel with the bottom surface of the first concave part (213) have a distance;
the second concave part (214) is arranged around the first area, the bottom surface of the first concave part (213) is higher than that of the second concave part (214), the second concave part (214) comprises four connected groove surfaces, concave parts (2141) are arranged on the two opposite groove surfaces respectively, and convex parts (2142) are arranged on the two opposite groove surfaces respectively.
4. The mold for molding a one-piece three-dimensional magnetic core according to claim 3, wherein the lower mold structure (20) comprises:
the female die (22) is provided with a die hole (221), the die hole (221) is of a rectangular structure, and the four first concave parts (213) are arranged at four included angles of the die hole (221);
the lower die assembly (23) is inserted into the die hole (221), a first section (231) and a second section (232) which are located in the die hole (221) are arranged on the lower die assembly (23), the height of the first section (231) is higher than that of the second section (232), the first area is the upper end face of the first section (231), a space is reserved between the side face of the first section (231) and the die hole (221) to form the second area, and the upper end face of the second section (232) is the groove face of the second concave portion (214).
5. The forming die for the integrated three-dimensional magnetic core according to claim 4, wherein the female die (22) is provided with a material spraying chute (40) matched with the second forming area (21) at the edge of the die hole (221).
6. The mold for molding an integrated three-dimensional magnetic core according to claim 5, wherein the number of the injection chutes (40) is four, and one injection chute (40) is disposed between every two first recesses (213).
7. The mold for molding an integral three-dimensional magnetic core according to claim 4, wherein the lower mold member (23) comprises:
the upper part of the middle rod (233) is rectangular, and the upper end face of the first section (231) is the upper end face of the middle rod (233);
the upper portion of the lower die (234) is matched with the die hole (221), the lower die (234) is provided with an insertion channel (2341) penetrating through the lower die (234), the insertion channel (2341) is used for inserting the upper portion of the middle rod (233) and is matched with the upper portion of the lower die (234), the two concave portions (2141) are arranged on two opposite sides of the upper end face of the lower die (234) respectively, and the two convex portions (2142) are arranged on the other opposite sides of the upper end face of the lower die (234) respectively.
8. The mold for molding an integrated three-dimensional magnetic core according to claim 7, wherein the bottom of the middle rod (233) is provided with a first seat (2331).
9. The mold for molding an integral three-dimensional magnetic core according to claim 7, wherein the bottom of the lower mold (234) is provided with a second base (2342).
10. An apparatus characterized by comprising the molding die for an integral three-dimensional magnetic core according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748254.9U CN213617345U (en) | 2020-08-20 | 2020-08-20 | Forming die and equipment of three-dimensional magnetic core of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748254.9U CN213617345U (en) | 2020-08-20 | 2020-08-20 | Forming die and equipment of three-dimensional magnetic core of integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213617345U true CN213617345U (en) | 2021-07-06 |
Family
ID=76644716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021748254.9U Expired - Fee Related CN213617345U (en) | 2020-08-20 | 2020-08-20 | Forming die and equipment of three-dimensional magnetic core of integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213617345U (en) |
-
2020
- 2020-08-20 CN CN202021748254.9U patent/CN213617345U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |