CN114628136A - Inductor forming die - Google Patents
Inductor forming die Download PDFInfo
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- CN114628136A CN114628136A CN202210288823.3A CN202210288823A CN114628136A CN 114628136 A CN114628136 A CN 114628136A CN 202210288823 A CN202210288823 A CN 202210288823A CN 114628136 A CN114628136 A CN 114628136A
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- lower die
- pressing plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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Abstract
The invention relates to the technical field of inductor manufacturing equipment and discloses an inductor forming die. The inductance forming die comprises a female die, a first lower die, a second lower die and an upper die, wherein the female die is provided with a guide hole; the first lower die is in limited splicing with the female die and can move along the Z-axis direction, a hollow first lower punch is arranged on the first lower die, and the first lower punch extends into the guide hole; the second lower die is in limited insertion with the first lower die, a second lower punch is arranged on the second lower die, and the second lower punch penetrates through the first lower die and is sleeved in the first lower punch; the upper die is arranged above the female die in a moving mode along the Z-axis direction, an upper punch is arranged on the upper die, the upper punch is opposite to the guide hole and can extend into the guide hole, and a space for placing materials to be pressed is formed among the upper punch, the first lower punch and the second lower punch. The inductor forming die is accurate in positioning, stable in debugging and pressing processes and long in service life.
Description
Technical Field
The invention relates to the technical field of inductor manufacturing equipment, in particular to an inductor forming die.
Background
Different inductance element product structures need to be matched with different moulds, so that the powder can be pressed into a product with a certain shape structure, and in the integrally formed inductance Tcore process, a T-shaped product is formed by cold press molding at first. The mould that uses at present, in debugging and pressing process, can make each part position offset appear because reasons such as position difference and vibration, cause the cooperation badly, lead to the mould to appear collapsing scarcely or the fracture, production efficiency is low.
Therefore, an inductor forming mold is needed to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide the inductor forming die which is accurate in positioning, stable in debugging and pressing processes and long in service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
an inductance molding die, comprising:
the female die is provided with a guide hole;
the first lower die is in limited insertion with the female die and can move along the Z-axis direction, a hollow first lower punch is arranged on the first lower die, and the first lower punch extends into the guide hole;
the second lower die is in limited insertion with the first lower die and is provided with a second lower punch which penetrates through the first lower die and is sleeved in the first lower punch;
the upper die is movably arranged above the female die along the Z-axis direction, an upper punch is arranged on the upper die, the upper punch is right opposite to the guide hole and can extend into the guide hole, and a space for placing a material to be pressed is formed among the upper punch, the first lower punch and the second lower punch.
As a preferred scheme of the inductor forming die, the upper die comprises an upper die base and an upper die pressing plate, the upper die base is connected to a press, the upper die pressing plate is arranged on the lower end face of the upper die base, an upper punch fixing hole is formed in the upper die pressing plate, and the upper punch is arranged on the upper die base and penetrates through the upper punch fixing hole.
As a preferred scheme of the inductance forming die, the lower end of the female die is provided with two positioning plates at intervals along the X-axis direction, and the first lower die is limited between the two positioning plates.
As a preferable scheme of the inductance forming die, the first lower die comprises a first lower die holder and a first lower die pressing plate, the first lower die holder is connected to a press, the first lower die pressing plate is arranged on the upper end surface of the first lower die holder, a first lower punch fixing hole is formed in the first lower die pressing plate, and the first lower punch is arranged on the first lower die holder and penetrates through the first lower punch fixing hole.
As a preferred scheme of the inductor forming die, the first lower die holder includes a top plate and two side plates, the two side plates are disposed at two ends of the top plate relatively along the X-axis direction, the second lower die is limited between the two side plates, and the first lower die pressing plate is disposed on the top plate.
As a preferred scheme of the inductor forming die, the second lower die comprises a second lower die holder and a second lower die pressing plate, the second lower die pressing plate is arranged on the upper end face of the second lower die holder, a second lower punch fixing hole is formed in the second lower die pressing plate, and the second lower punch is arranged on the second lower die holder and penetrates through the second lower punch fixing hole.
As a preferred scheme of the inductor forming die, positioning grooves are respectively formed in two opposite side walls of the second lower die holder, and the two side plates are respectively limited in the two positioning grooves.
As a preferred scheme of the inductance forming die, a blanking inclined plane is arranged at one edge of the female die.
As a preferred scheme of an inductance forming die, the inductance forming die further comprises:
the pushing block is movably arranged on the concave die to push the inductance element sent out from the guide hole to the blanking inclined plane.
As a preferred scheme of the inductor forming die, the die is provided with a plurality of guide holes, the upper punch, the first lower punch and the second lower punch are all provided with a plurality of guide holes, and the plurality of upper punches, the plurality of first lower punches and the plurality of second lower punches are respectively in one-to-one correspondence with the plurality of guide holes.
The invention has the beneficial effects that:
the invention provides an inductance forming die which comprises a female die, a first lower die, a second lower die and an upper die. Under the structure, the female die is in limited insertion connection with the first lower die and the first lower die is in insertion connection with the second lower die, so that the first lower die cannot deviate from the female die when moving along the Z-axis direction, and the offset risk of the first lower die is effectively reduced; meanwhile, the first lower die provides a positioning effect for the second lower die, the risk that the second lower die is transversely deviated relative to the first lower die is reduced, and the stability of the first lower punch and the second lower punch is ensured, so that the stability of the pressing process is improved, and the yield of products is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an inductor forming mold according to an embodiment of the present invention;
fig. 2 is an exploded view of an inductor forming mold according to an embodiment of the present invention;
fig. 3 is a first cross-sectional view of an inductor forming mold according to an embodiment of the present invention;
fig. 4 is a second cross-sectional view of an inductor forming mold according to an embodiment of the present invention.
In the figure:
1. a female die; 11. blanking an inclined plane; 2. positioning a plate; 3. a first lower die; 31. a first lower punch; 32. a first lower die holder; 321. a top plate; 322. a side plate; 33. a first lower die press plate; 4. a second lower die; 41. a second lower punch; 42. a second lower die holder; 43. a second lower die platen; 5. an upper die; 51. an upper punch; 52. an upper die holder; 53. an upper mold platen;
10. a guide hole; 20. a limiting groove; 30. and (6) positioning a groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 4, the present embodiment provides an inductance molding die, which includes a concave die 1, a first lower die 3, a second lower die 4 and an upper die 5, wherein the concave die 1 is provided with a guide hole 10; the first lower die 3 is in limited splicing with the female die 1 and can move along the Z-axis direction, a hollow first lower punch 31 is arranged on the first lower die 3, and the first lower punch 31 extends into the guide hole 10; the second lower die 4 is in limited insertion connection with the first lower die 3, a second lower punch 41 is arranged on the second lower die 4, and the second lower punch 41 penetrates through the first lower die 3 and is sleeved in the first lower punch 31; the upper die 5 is arranged above the female die 1 in a moving mode along the Z-axis direction, an upper punch 51 is arranged on the upper die 5, the upper punch 51 faces the guide hole 10 and can extend into the guide hole 10, and a space for placing materials to be pressed is formed among the upper punch 51, the first lower punch 31 and the second lower punch 41.
As shown in fig. 3 and 4, the material to be pressed is placed in the guide hole 10, and since the second lower punch 41 is located in the first lower punch 31 and the first lower punch 31 is located in the guide hole 10, the first lower punch 31 and the second lower punch 41 form a T-shaped space in the guide hole 10, the material to be pressed is filled in the T-shaped space, the upper die 5 moves down so that the upper punch 51 extends into the guide hole 10 and presses the material to be pressed, and simultaneously the first lower punch 31 also moves down, and the second lower punch 41 is fixed in position so that the T-shaped space is compressed, that is, the material to be compressed therein is pressed and compacted to form the inductance element.
Under the structure, the concave die 1 is in limited splicing with the first lower die 3 and the first lower die 3 is in limited splicing with the second lower die 4, so that the first lower die 3 cannot deviate from the concave die 1 when moving along the Z-axis direction, and the offset risk of the first lower die 3 is effectively reduced; meanwhile, the first lower die 3 provides a positioning effect for the second lower die 4, so that the risk of lateral deviation of the second lower die 4 relative to the first lower die 3 is reduced, and the stability of the first lower punch 31 and the second lower punch 41 is ensured, thereby improving the stability of the pressing process and the yield of the inductance element.
In this embodiment, the lower extreme of die 1 is provided with the position circle, and the spacing grafting of first lower mould 3 is in this position circle, and the position circle provides spacing guide effect for first lower mould 3 can not take place offset in X axle direction and Y axle direction when moving along the Z axle direction, has guaranteed the mobility stability of first lower mould 3, thereby improves inductance element's suppression stability.
Preferably, the die 1 is provided with a plurality of guide holes 10, the upper punch 51, the first lower punch 31 and the second lower punch 41 are all provided in plurality, and the plurality of upper punches 51, the plurality of first lower punches 31 and the plurality of second lower punches 41 are respectively provided in one-to-one correspondence with the plurality of guide holes 10. Under above-mentioned structure, this inductance forming die stable in structure can realize suppressing a plurality of inductance components simultaneously, greatly improves work efficiency and output. For example, the die can be set to be 1 die 10, 1 die 9 or 1 die 16, and the like, and is designed according to actual requirements.
As shown in fig. 1 and 2, after the inductor element is press-formed, the upper punch 51 is withdrawn from the guide hole 10, the first lower punch 31 is kept stationary, and the second lower punch 41 moves upward along the Z-axis, that is, the second lower punch 41 moves upward relative to the first lower punch 31 and pushes out the press-formed inductor element, and finally pushes out the inductor element from the guide hole 10. In this embodiment, the inductor forming mold further includes a material pushing block disposed on the female mold 1 and capable of reciprocating toward the X-axis direction or the Y-axis direction to push away and collect the inductor component fed out from the guide hole 10. Preferably, a blanking inclined plane 11 is arranged at one edge of the female die 1, the material pushing block can reciprocate towards the blanking inclined plane 11 to push the inductance element to the blanking inclined plane 11, and the inductance element slides away along the blanking inclined plane 11, so that the inductance element can be automatically collected only by arranging a collecting device at the lower end of the blanking inclined plane 11.
Specifically, as shown in fig. 2, the upper die 5 includes an upper die holder 52 and an upper die pressing plate 53, the upper die holder 52 is connected to the press, the upper die pressing plate 53 is disposed on a lower end surface of the upper die holder 52, an upper punch fixing hole is formed in the upper die pressing plate 53, and the upper punch 51 is disposed on the upper die holder 52 and penetrates through the upper punch fixing hole. Compare in upper punch 51 only one end and be fixed in upper die base 52, through setting up upper die plate 53 for upper punch 51 part is restricted in the drift fixed orifices, and upper die plate 53 provides the supporting role for upper punch 51 promptly, avoids upper punch 51 atress too big easily buckling, improves stability and life. In the present embodiment, the upper pressing plate 53 is fixedly connected to the upper die holder 52, and for example, the upper pressing plate 53 is fixedly connected to the upper die holder 52 through a bolt. Preferably, a step hole is formed at the upper end of the upper punch fixing hole, a step surface is formed at the top end of the upper punch 51, and the step surface is matched with the step hole, so that the upper punch 51 is in limited insertion with the upper punch fixing hole, namely, the upper punch fixing hole limits the position deviation of the upper punch 51 relative to the upper die plate 53 in the X-axis direction, the Y-axis direction and the Z-axis direction, and the upper punch 51 is prevented from deviating or bending when a material to be pressed is punched, so that the stability and the reliability of the upper punch 51 are further improved, the stability and the reliability of the inductance forming die are further improved, and the service life of the upper die 5 is prolonged.
Preferably, the cross-sectional area of the upper die holder 52 is larger than that of the upper platen 53, so that the assembly area of the upper die holder 52 and the press machine is increased, and the vibration resistance and the stability are improved.
More specifically, the first lower die 3 includes a first lower die holder 32 and a first lower die pressing plate 33, the first lower die holder 32 is connected to the press, the first lower die pressing plate 33 is disposed on an upper end surface of the first lower die holder 32, a first lower punch fixing hole is formed in the first lower die pressing plate 33, and the first lower punch 31 is disposed on the first lower die holder 32 and penetrates through the first lower punch fixing hole. By arranging the first lower die pressing plate 33, the first lower punch 31 is partially limited in the first lower punch fixing hole, namely, the first lower die pressing plate 33 provides a supporting function for the first lower punch 31, the first lower punch 31 is prevented from being stressed too much and is easy to bend, and the stability and the service life are improved. In the present embodiment, the first lower die plate 33 is fixedly connected to the first lower die holder 32, and the first lower die plate 33 is fixedly connected to the first lower die holder 32 by bolts. Preferably, a stepped hole is formed at the lower end of the first lower punch fixing hole, and a stepped surface is formed at one end of the first lower punch 31, and the stepped surface is matched with the stepped hole, so that the first lower punch 31 is in limited insertion with the first lower punch fixing hole, that is, the first lower punch fixing hole limits the position deviation of the first lower punch 31 relative to the first lower die pressing plate 33 in the X-axis direction, the Y-axis direction and the Z-axis direction, and prevents the first lower punch 31 from shaking or bending when moving, so that the stability and reliability of the inductance forming die are improved, and the service life of the first lower die 3 is also prolonged.
Preferably, the cross-sectional area of the first lower die holder 32 is larger than that of the first lower die pressing plate 33, so that the assembling area of the first lower die holder 32 and the press is increased, and the first lower die 3 moves stably and accurately in the pressing process.
Further specifically, the second lower die 4 includes a second lower die holder 42 and a second lower die pressing plate 43, the second lower die pressing plate 43 is disposed on the upper end surface of the second lower die holder 42, a second lower punch fixing hole is formed in the second lower die pressing plate 43, and the second lower punch 41 is disposed on the second lower die holder 42 and passes through the second lower punch fixing hole. Through setting up second lower die holder 42 for second lower punch 41 part is restricted in the second lower punch fixed orifices, and second lower die holder 42 provides the supporting role for second lower punch 41 promptly, avoids second lower punch 41 atress too big easily buckling, improves stability and life. In this embodiment, the second lower pressing plate 43 is fixedly connected to the second lower die holder 42, and exemplarily, the second lower pressing plate 43 is fixedly connected to the second lower die holder 42 through a bolt. Preferably, a stepped hole is formed at the lower end of the second lower punch fixing hole, a stepped surface is formed at one end of the second lower punch 41, and the stepped surface is matched with the stepped hole, so that the second lower punch 41 is in limited insertion with the second lower punch fixing hole, that is, the second lower punch fixing hole limits the position offset of the second lower punch 41 relative to the second lower die pressing plate 43 in the X-axis direction, the Y-axis direction and the Z-axis direction, so that the second lower punch 41 is prevented from being offset or bent when moving, the stability of the second lower punch 41 is high, the second lower punch 41 can smoothly push the inductance element out of the guide hole 10, the stability and reliability of the inductance forming die are improved, and the service life of the second lower die 4 is prolonged.
Preferably, the cross-sectional area of the second lower die holder 42 is larger than that of the second lower die pressing plate 43, so that the assembly area of the second lower die holder 42 and the press is increased, and the second lower die 4 is stable in the pushing process.
Furthermore, in the X-axis direction, two opposite sides of the positioning ring extend downwards to form two positioning plates 2, and the first lower die 3 is limited between the two positioning plates 2. Locating plate 2 has not only played limiting displacement to first lower mould 3, still provides the guide effect for first lower mould 3, and first lower mould 3 removes along the lateral wall of locating plate 2 for 3 mobility stability of first lower mould is better. Of course, in other embodiments, four sides of the positioning ring may be extended to form the positioning plate 2, so as to surround and limit the first lower mold 3, and improve the stability of the first lower mold 3.
Furthermore, the first lower die holder 32 includes a top plate 321 and two side plates 322, the two side plates 322 are oppositely disposed at two ends of the top plate 321 along the X-axis direction, a limiting groove 20 is formed between the top plate 321 and the two side plates 322, the second lower die 4 is inserted into the limiting groove 20, and the first lower die pressing plate 33 is disposed on the top plate 321. Under above-mentioned structure, two curb plates 322 laminate respectively in two locating plates 2 to can follow locating plate 2 and remove, make first lower mould 3's stability higher, still provide limiting displacement for second lower mould 4 simultaneously, compact structure has reduced the skew risk of second lower mould 4 in the X axle direction.
In order to further reduce the offset risk of the first lower die 3 and the second lower die 4 in the Y-axis direction, the positioning grooves 30 are respectively formed on two opposite side walls of the second lower die base 42, and the two side plates 322 are respectively limited in the two positioning grooves 30. Namely, the positioning groove 30 limits the position deviation of the side plate 322 of the first lower die holder 32 in the Y-axis direction, i.e. the position deviation of the second lower die 4 in the Y-axis direction is also avoided, the structure is compact, and the stability is good.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. An inductance molding die, comprising:
the die comprises a female die (1), wherein a guide hole (10) is formed in the female die (1);
the first lower die (3) is in limited insertion connection with the female die (1) and can move along the Z-axis direction, a hollow first lower punch (31) is arranged on the first lower die (3), and the first lower punch (31) extends into the guide hole (10);
the second lower die (4) is in limited insertion connection with the first lower die (3), a second lower punch (41) is arranged on the second lower die (4), and the second lower punch (41) penetrates through the first lower die (3) and is sleeved in the first lower punch (31);
go up mould (5), follow Z axle direction remove set up in the top of die (1), go up to be provided with on mould (5) and go up drift (51), it is just right to go up drift (51) guide hole (10) and can stretch into in guide hole (10), go up drift (51) first lower drift (31) with form the space of placing the material of waiting to suppress between second lower drift (41).
2. The inductance molding die according to claim 1, wherein the upper die (5) comprises an upper die holder (52) and an upper die pressing plate (53), the upper die holder (52) is connected to a press, the upper die pressing plate (53) is disposed on a lower end surface of the upper die holder (52), an upper punch fixing hole is formed in the upper die pressing plate (53), and the upper punch (51) is disposed on the upper die holder (52) and penetrates through the upper punch fixing hole.
3. The inductance molding die according to claim 1, wherein two positioning plates (2) are arranged at the lower end of the female die (1) at intervals along the X-axis direction, and the first lower die (3) is limited between the two positioning plates (2).
4. The inductance forming die according to claim 3, wherein said first lower die (3) includes a first lower die base (32) and a first lower die pressing plate (33), said first lower die base (32) is connected to the press, said first lower die pressing plate (33) is provided on an upper end surface of said first lower die base (32), said first lower die pressing plate (33) is provided with a first lower punch fixing hole, said first lower punch (31) is provided on said first lower die base (32) and passes through said first lower punch fixing hole.
5. The inductance molding die according to claim 4, wherein the first lower die holder (32) comprises a top plate (321) and two side plates (322), the two side plates (322) are oppositely disposed at two ends of the top plate (321) along the X-axis direction, the second lower die (4) is limited between the two side plates (322), and the first lower die pressing plate (33) is disposed on the top plate (321).
6. The inductance molding die according to claim 5, wherein the second lower die (4) comprises a second lower die holder (42) and a second lower die pressing plate (43), the second lower die pressing plate (43) is disposed on an upper end surface of the second lower die holder (42), a second lower punch fixing hole is formed in the second lower die pressing plate (43), and the second lower punch (41) is disposed on the second lower die holder (42) and penetrates through the second lower punch fixing hole.
7. The inductance molding die according to claim 6, wherein positioning grooves (30) are respectively formed in two opposite side walls of the second lower die holder (42), and the two side plates (322) are respectively limited in the two positioning grooves (30).
8. Inductance forming die according to any one of claims 1-7, characterized in that an edge of the female die (1) is provided with a blanking bevel (11).
9. The inductance molding die of claim 8, further comprising:
a pusher block movably disposed on the female die (1) to push the inductance elements fed out from the guide holes (10) to the blanking slope (11).
10. The inductance molding die according to any one of claims 1 to 7, wherein a plurality of the guide holes (10) are formed in the female die (1), a plurality of the upper punches (51), a plurality of the first lower punches (31), and a plurality of the second lower punches (41) are provided, and a plurality of the upper punches (51), a plurality of the first lower punches (31), and a plurality of the second lower punches (41) are respectively provided in one-to-one correspondence with a plurality of the guide holes (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288823.3A CN114628136B (en) | 2022-03-22 | 2022-03-22 | Inductor forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288823.3A CN114628136B (en) | 2022-03-22 | 2022-03-22 | Inductor forming die |
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| CN114628136A true CN114628136A (en) | 2022-06-14 |
| CN114628136B CN114628136B (en) | 2022-12-02 |
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| CN202210288823.3A Active CN114628136B (en) | 2022-03-22 | 2022-03-22 | Inductor forming die |
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