CN215090071U - Radiating fin die with continuous knife edge - Google Patents

Abstract

The utility model relates to a fin mould with continuous edge of a knife, including the last mould that has the drift structure and be provided with the lower mould of dashing the module, punching the module and dashing the module with the essence, the dashing the module with the essence includes first portion and second portion, and first portion and second portion all include the horizontal edge of a knife that extends in the X axle and the vertical edge of a knife that extends in the Y axle, first portion and second portion wholly are central symmetrical structure, and the structure is the same, but the opening is opposite, and the essence piece of stamping includes the essence and dashes the cutter, and the essence dashes the cutter corresponding with the structure of dashing the cutter with the essence. The width of the fine punching tool is larger than that of the rough punching tool, and a plurality of hole-shaped tool edges are arranged on the punching module and used for punching positioning holes. The utility model discloses the punching press need not shut down in the middle of can the continuous production, and follow-up electroplating also can realize continuous electroplating, and receives the material convenience behind the continuous production, when using at last, because the fin with even the connection between the material area is more short and small, very quick when the manual work cuts off or machinery cuts off.

Description

Radiating fin die with continuous knife edge

Technical Field

The utility model relates to a preparation of fin especially relates to fin mould that has continuous edge of a knife.

Background

In the semiconductor packaging body, the produced heat of chip need in time give off, otherwise can influence its normal work and even burnt out, along with the quick development of semiconductor chip cause, the increase of the demand of fin, the production technology of fin is one kind and directly carries out the cutting off of even material area for continuous production back, carries out subsequent processing again, and another kind carries out subsequent breaking off with fingers and thumb for manual, and the first problem that exists is that single fin is received material and later stage electroplating and all can cause the quality unusual in the production process, and the cost of labor increases. The latter problem is that the complicated connection structure of the heat sink causes a waste of labor and a reduction in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fin mould with continuous edge of a knife can be so that the continuous production of fin on the one hand, and on the other hand adopts the simple connected mode who even takes the material, guarantees follow-up cutting off simply.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a fin mould with continuous edge of a knife, wherein, including last mould and lower mould, it includes the drift structure to go up the mould, the lower mould up end is provided with rough punching module, punching die piece and finish punching die piece, rough punching module includes rough punching cutter, rough punching cutter includes first portion and second part, first portion and second part all include the horizontal edge of a knife that extends on the X axle and the vertical edge of a knife that extends on the Y axle, the both ends of horizontal edge of a knife all are connected with vertical edge of a knife, first portion and second part wholly are central symmetry structure, the central point of the horizontal edge of a knife of first portion with the central point of the horizontal edge of a knife of second part is greater than the length of horizontal edge of a knife in X axle direction distance, is greater than in Y axle direction the sum of vertical edge of a knife, punching die piece is last to be provided with a plurality of poroid edges, the fine blanking die block comprises a fine blanking cutter, and the fine blanking cutter corresponds to the coarse blanking cutter in structure. The width of the fine blanking cutter is larger than that of the rough blanking cutter, and the punch structure comprises structures corresponding to the rough blanking module, the punching module and the fine blanking die.

Preferably, the fine blanking module is further provided with a circular hole-shaped knife edge, and the circular hole-shaped knife edge is arranged in the opening extension range of the second part of the fine blanking cutter.

Preferably, a columnar knife edge is arranged on the punching module, and the central point of the columnar knife edge and the central point of the distance between the first part and the second part in the X-axis direction are on the same horizontal line.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a fin mould with continuous edge of a knife, including last mould and lower mould, the bottom of going up the mould is provided with the drift structure, the lower terminal surface of lower mould is provided with the rough punching module, the module and the smart module of punching a hole, the rough punching module is used for the rough cutting of product, the module of punching a hole is used for the production in even material area and the location of product, the smart die piece is used for the smart of product to cut, the cutter of rough punching module includes first portion and second part, first portion and second part all include the horizontal edge of a knife that extends and the vertical edge of a knife that extends on the Y axle at the X axle. The two ends of the transverse knife edge are connected with vertical knife edges, the first part and the second part are integrally of a centrosymmetric structure, the structure of the first part is similar to a U shape, the second part is similar to an inverted U shape, the distance between the center point of the transverse knife edge of the first part and the center point of the transverse knife edge of the second part in the X-axis direction is larger than the length of the transverse knife edge, the distance in the Y-axis direction is larger than the sum of the vertical knife edges, the fine blanking die block corresponds to the structure of the coarse blanking die block, but the width of the knife edge is slightly larger than the width of the coarse blanking die block, the reason is that rough cutting is only preliminary cutting, and fine cutting is for better size control. The punching module is provided with a plurality of hole-shaped knife edges, and the arrangement is to enable the material belt to advance better and enable the hole-shaped knife edges to be positioned more conveniently. The punch structure comprises structures corresponding to the rough punching module, the punching module and the fine punching die block. The utility model discloses the punching press need not shut down in the middle of can the continuous production, and follow-up electroplating also can realize continuous electroplating, and receives the material convenience behind the continuous production, when using at last, because the fin with even the connection between the material area is more short and small, very quick when the manual work cuts off or machinery cuts off.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of a part of the structure of the upper end surface of the lower mold according to the preferred embodiment of the present invention;

fig. 2 is a schematic structural view of the heat sink produced in this embodiment.

Wherein the reference numerals are as follows:

1. a rough punching module; 2. a punching module; 3. a fine blanking module; 4. a transverse knife edge; 5. a vertical knife edge; 6. a porous knife edge; 7. a circular hole-shaped knife edge; 8. a columnar knife edge; 9. connecting the material belt; 10. and a heat sink.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The utility model comprises an upper die and a lower die, wherein the upper die comprises a punch head structure, as shown in figure 1, a rough punching module 1, a punching module 2 and a fine punching die block 3 are arranged on the lower die, a rough punching cutter for rough punching is arranged on the rough punching module 1, the rough punching cutter comprises a first part and a second part, the first part and the second part respectively comprise a transverse cutter edge 4 extending on an X axis and a vertical cutter edge 5 extending on a Y axis, both ends of the transverse cutter edge 4 are connected with vertical cutter edges 5, the first part is similar to a U-shaped structure, the second part is similar to an inverted U-shaped structure, the first part and the second part are integrally in a central symmetrical structure, the structure is the same, but the opening directions are opposite, and the openings are arranged in a staggered manner, and the distance between the central point of the transverse cutter edge 4 of the first part and the central point of the transverse cutter edge 4 of the second part is greater than the length of the transverse cutter edge 4 in the X axis direction, the distance in the Y-axis direction is larger than the sum of the vertical knife edges 5 of the two, the design in the X-axis direction is to ensure the width of the connecting belt 9 between the adjacent radiating fins 10, and the design in the Y-axis direction is to ensure that certain connection exists between the radiating fins 10 and the connecting belt, so that the continuity of the radiating fins 10 is ensured.

The punching module 2 is provided with a plurality of hole-shaped knife edges 6, the hole-shaped knife edges 6 are used for producing positioning holes on the material connecting belt 9, on one hand, the punching module can be used for collision points when the material connecting belt advances on the die, namely, the supporting columns on the die penetrate through the positioning holes to drive the material connecting belt to advance, and on the other hand, the punching module can help to position adjacent radiating fins during continuous production. The punching module is provided with a columnar knife edge 8, the central point of the columnar knife edge 8 and the central point of the distance between the first part and the second part in the X-axis direction are on the same horizontal line, and a columnar hole punched by the columnar knife edge 8 is also used for positioning and reducing the weight of the connecting material belt.

The fine blanking module 3 is provided with a fine blanking cutter for fine blanking, the structure of the fine blanking cutter corresponds to that of the coarse blanking cutter, and the only difference is that the width of the fine blanking cutter is larger than that of the coarse blanking cutter. The fine blanking module is also provided with a round hole-shaped knife edge 7, the round hole-shaped knife edge 7 is arranged in the extension range of the opening of the second part of the fine blanking cutter, and the round hole-shaped knife edge is arranged to produce heat dissipation holes on the heat dissipation fins and increase the heat dissipation capacity of the heat dissipation fins.

The material belt is arranged in the die, after the die is started, the punching module 2 is started to punch a positioning hole in the material belt on the material belt, then the rough punching tool and the fine punching tool are started, the rough punching tool firstly roughly cuts the lower half part of the radiating fin and the upper half part of the adjacent radiating fin, and a complete radiating fin structure is punched when the material belt moves and is punched next time. The existing production not only increases the production efficiency, but also reduces the troubles of subsequent rolling and electroplating.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (3)

1. The cooling fin die with the continuous knife edges is characterized by comprising an upper die and a lower die, wherein the upper die comprises a punch structure, a rough punching module, a punching module and a fine punching die block are arranged on the upper end face of the lower die, the rough punching module comprises a rough punching tool, the rough punching tool comprises a first part and a second part, the first part and the second part respectively comprise a transverse knife edge extending on an X axis and a vertical knife edge extending on a Y axis, two ends of the transverse knife edge are respectively connected with a vertical knife edge, the first part and the second part are integrally of a central symmetry structure, the distance between the central point of the transverse knife edge of the first part and the central point of the transverse knife edge of the second part in the X axis direction is greater than the length of the transverse knife edge, the distance in the Y axis direction is greater than the sum of the vertical knife edges, and a plurality of hole-shaped knife edges are arranged on the punching module, the fine punching die block comprises a fine punching cutter, and the fine punching cutter corresponds to the coarse punching cutter in structure; the width of the fine blanking cutter is larger than that of the rough blanking cutter, and the punch structure comprises structures corresponding to the rough blanking module, the punching module and the fine blanking die.

2. The fin die with continuous knife edge of claim 1, wherein: the fine blanking module is also provided with a round hole-shaped knife edge, and the round hole-shaped knife edge is arranged in the opening extension range of the second part of the fine blanking cutter.

3. The fin die with continuous knife edge of claim 1, wherein: the punching module is provided with a columnar knife edge, and the center point of the columnar knife edge and the center point of the distance between the first part and the second part in the X-axis direction are on the same horizontal line.

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