CN103182722A - Rib-cutting die - Google Patents
Rib-cutting die Download PDFInfo
- Publication number
- CN103182722A CN103182722A CN2011104540128A CN201110454012A CN103182722A CN 103182722 A CN103182722 A CN 103182722A CN 2011104540128 A CN2011104540128 A CN 2011104540128A CN 201110454012 A CN201110454012 A CN 201110454012A CN 103182722 A CN103182722 A CN 103182722A
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- cutting
- die
- muscle
- cutting edge
- rib
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Abstract
The invention relates to a rib-cutting die. The rib-cutting die disclosed by the invention is used for performing rib-cutting on an integrated circuit body, and consists of a cutting edge part and a cutting edge positioning part. The rib-cutting die is characterized in that the cutting edge part is provided with a rib-cutting female die, the rib-cutting edge positioning part is provided with a leaking part, and the leaking part is an inverted-V-shaped groove. According to the rib-cutting die provided by the invention, on the premise of not influencing the mechanical strength of a whole part and the positioning of the rib-cutting female die, the probability that waste remains on the die in the punching process of the die is reduced, and a rubber matrix is prevented from being damaged.
Description
Technical field
The present invention relates to the last part technology of integrated circuit encapsulation, relate to particularly using in the last part technology of integrated circuit encapsulation and cut the muscle mould.
Background technology
In the last part technology of integrated circuit encapsulation, need cut muscle to the integrated circuit body.The employed muscle mould of cutting generally was made of cutting edge part and cutting edge localization part in the past, and wherein the cutting edge localization part has the material of leakage part, leaked the design of material part usage platform at this.But there is following shortcoming in the muscle mould of cutting of prior art: (1) can't in time discharge mould when foreign matter volume big (especially thickness is greater than 1 colloid), colloid must occur damaged, cracking; (2) when occur to continue producing the less waste material of volume, because the discharge space is less, waste material can't in time be discharged mould, colloid can occur damaged, cracking; (3) because what use is the platform design, and waste material produces at platform easily to be piled up, long-time die-cut after, waste material can touch colloid, causes the damaged cracking of colloid.
Summary of the invention
In view of the above problems, the present invention aims to provide a kind of muscle mould of cutting, it can hold bigger waste material, and is not influencing the one-piece parts mechanical strength and cutting under the prerequisite of muscle die location, can reduce waste material in the die-cut process of mould and remain in generation probability on the mould.
For solving above technical problem, the muscle mould of cutting of the present invention is used for the integrated circuit body is cut muscle, constituted by cutting edge part and cutting edge localization part, it is characterized in that, described cutting edge partly possesses the muscle of cutting die, described cutting edge localization part possesses the material of leakage part, and described leakage material partly is the inverted V-shape groove.
According to the muscle mould of cutting of the present invention, it can hold bigger waste material, can have bigger discharge groove, utilizes inverted V-shape, makes the cutting edge localization part increase to the leakage material gap of cutting between the muscle mould, can allow waste material discharge mould by means of self gravitation.Owing to be not to adopt the platform design but adopt the inverted V-shape design, just can avoid waste material to be deposited in for a long time on the platform and can touch colloid and damage the situation of colloid through long-time die-cut back waste material.
Preferably, distance described distance of cutting the muscle die in the top of described inverted V-shape groove is the thickness greater than 1 times described integrated circuit body.
According to the muscle mould of cutting of the present invention, when the foreign matter volume is big, when for example thickness is greater than 1 colloid, can in time foreign matter be discharged mould, and can not damage colloid or make the colloid cracking.
Preferably, the angle of described inverted V-shape groove and vertical direction formation is between 60～90 degree.
According to the muscle mould of cutting of the present invention, not only can make waste material discharge mould by means of self gravitation, and can hold the effect of the waste material of more volume, can take into account this two aspect.
Preferably, described cutting edge part and described cutting edge partly are steel.
As mentioned above, thus the present invention can provide a kind of do not influence the one-piece parts mechanical strength and cut can reduce the generation probability of the residual mould of waste material in the die-cut process of mould under the prerequisite of muscle die location and avoid damaging colloid cut the muscle mould.
Description of drawings
Fig. 1 is the schematic diagram of cutting the muscle mould of expression an embodiment of the present invention.
Fig. 2 is the enlarged drawing of the major part of cutting the muscle mould of expression an embodiment of the present invention.
Fig. 3 is the schematic diagram of the colloid thickness in expression an embodiment of the present invention.
The specific embodiment
What introduce below is a plurality of some in may embodiment of the present invention, aims to provide basic understanding of the present invention.Be not intended to confirm key of the present invention or conclusive key element or limit claimed scope.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram of cutting the muscle mould of expression an embodiment of the present invention.
Fig. 2 is the enlarged drawing of the major part of cutting the muscle mould of expression an embodiment of the present invention.
As shown in Figure 1, 2, of the present inventionly be made of cutting edge part 100 and cutting edge localization part 200 for the muscle mould of cutting of the integrated circuit body being cut muscle, described cutting edge part 100 possesses the muscle of cutting die 101, and described cutting edge localization part 200 possesses the material of leakage part 201.
In the present invention, as an inventive point, leak material part 201 and possess inverted V-shape groove 201.Like this, be modified into the inverted V-shape groove by the die socket platform of cutting the muscle mould with prior art, can hold the waste material of more volume, have bigger discharge groove.
And, utilize inverted V-shape, make cutting edge localization part 200 increase to the leakage material gap of cutting between the muscle mould 101, can allow waste material discharge mould by means of self gravitation.Because the discharge space is bigger, when continuing to produce the less waste material of volume, can in time waste material be discharged mould, can avoid colloid situation damaged, cracking to occur.
In addition, owing to be not to adopt the platform design but adopt the inverted V-shape design, just can avoid waste material to be deposited in for a long time on the platform and can touch colloid and damage the situation of colloid through long-time die-cut back waste material.
In Fig. 2, this inverted V-shape groove 201 constitutes angle θ with vertical direction.This angle θ is preferably 60～90 degree.The scope of design of this angle can be taken into account this two aspect of effect that waste material is discharged the effect of mould by means of self gravitation and can be held bigger waste material.
Further, as another inventive point of the present invention, with the distance that the top distance of inverted V-shape groove 201 is cut muscle die 101, namely the distance H among Fig. 2 is set at greater than 1 colloid thickness.
Under regard to " 1 colloid thickness " and be specifically described.
Fig. 3 is the schematic diagram of the colloid thickness in expression an embodiment of the present invention.The colloid thickness D that has represented an integrated circuit body 300 in Fig. 3, this colloid thickness D may also be referred to as and be " 1 colloid thickness ".
Being that the top of inverted V-shape groove 201 is set at thickness greater than 1 times integrated circuit body apart from cutting distance H between the muscle die 101 in the present invention, namely is to be set at greater than 1 colloid thickness.
Like this, when the foreign matter volume is big, when (for example thickness is greater than 1 colloid), can in time foreign matter be discharged mould, and can not damage colloid.
In addition, about the material of cutting edge part 100 and cutting edge part 200, generally adopt steel to constitute, commonly used have a SKD11.This is because SKD11 has comparatively balanced hardness and toughness.
As mentioned above, according to the present invention, can provide a kind of do not influence the one-piece parts mechanical strength and cut can reduce under the prerequisite of muscle die location that waste material in the die-cut process of mould remains in the generation probability on the mould and avoid damaging colloid cut the muscle mould.
Above example has mainly illustrated the muscle mould of cutting of the present invention.Although only the some of them embodiments of the present invention are described, those of ordinary skills should understand, and the present invention can be in not departing from its purport and scope implements with many other forms.Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, and under situation about not breaking away from as the defined spirit of the present invention of appended each claim and scope, the present invention may be contained various modifications and replacement.
Claims (4)
1. cut the muscle mould for one kind, be used for the integrated circuit body is cut muscle, constituted by cutting edge part (100) and cutting edge localization part (200), it is characterized in that,
Described cutting edge part (100) possesses the muscle of cutting die (101),
Described cutting edge localization part (200) possesses the material of leakage part (201),
Described leakage material part (201) is inverted V-shape groove (202).
2. the muscle mould of cutting as claimed in claim 1 is characterized in that,
The distance that the top of described inverted V-shape groove (202) distance is described cuts muscle die (101) is the thickness greater than 1 times described integrated circuit body.
3. the muscle mould of cutting as claimed in claim 1 or 2 is characterized in that,
The angle that described inverted V-shape groove (202) and vertical direction constitute is between 60～90 degree.
4. the muscle mould of cutting as claimed in claim 1 or 2 is characterized in that,
Described cutting edge part (100) and described cutting edge part (200) are steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454012.8A CN103182722B (en) | 2011-12-30 | 2011-12-30 | One cuts muscle mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454012.8A CN103182722B (en) | 2011-12-30 | 2011-12-30 | One cuts muscle mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103182722A true CN103182722A (en) | 2013-07-03 |
| CN103182722B CN103182722B (en) | 2015-08-26 |
Family
ID=48674295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454012.8A Active CN103182722B (en) | 2011-12-30 | 2011-12-30 | One cuts muscle mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103182722B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305753Y (en) * | 1997-07-23 | 1999-01-27 | 孙厚 | Cutting die of transistor |
| US20040238923A1 (en) * | 2003-03-11 | 2004-12-02 | Siliconware Precision Industries Co., Ltd. | Surface-mount-enhanced lead frame and method for fabricating semiconductor package with the same |
| CN200960532Y (en) * | 2006-10-12 | 2007-10-17 | 深圳市盟泰莱精密技术有限公司 | Triode screeding machine knife tool apparatus |
| CN201783559U (en) * | 2010-07-30 | 2011-04-06 | 凯迈（江苏）机电有限公司 | Die cutting device for manufacturing lithium cell |
| CN201910409U (en) * | 2010-09-21 | 2011-07-27 | 深圳市矽格半导体科技有限公司 | Multi-row trimming and forming die for integrated circuit |
-
2011
- 2011-12-30 CN CN201110454012.8A patent/CN103182722B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305753Y (en) * | 1997-07-23 | 1999-01-27 | 孙厚 | Cutting die of transistor |
| US20040238923A1 (en) * | 2003-03-11 | 2004-12-02 | Siliconware Precision Industries Co., Ltd. | Surface-mount-enhanced lead frame and method for fabricating semiconductor package with the same |
| CN200960532Y (en) * | 2006-10-12 | 2007-10-17 | 深圳市盟泰莱精密技术有限公司 | Triode screeding machine knife tool apparatus |
| CN201783559U (en) * | 2010-07-30 | 2011-04-06 | 凯迈（江苏）机电有限公司 | Die cutting device for manufacturing lithium cell |
| CN201910409U (en) * | 2010-09-21 | 2011-07-27 | 深圳市矽格半导体科技有限公司 | Multi-row trimming and forming die for integrated circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103182722B (en) | 2015-08-26 |
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