CN208230747U

CN208230747U - The automatic cutting molding die of semiconductor product

Info

Publication number: CN208230747U
Application number: CN201820724080.9U
Authority: CN
Inventors: 何勇; 赵君龙
Original assignee: SHENZHEN HUALONG PRECISE MOLD CO Ltd
Current assignee: SHENZHEN HUALONG PRECISE MOLD CO Ltd
Priority date: 2018-05-16
Filing date: 2018-05-16
Publication date: 2018-12-14
Anticipated expiration: 2028-05-16

Abstract

The utility model relates to an automatic punching molding die for semiconductor products, comprising an upper die and a lower die, the upper die and the lower die cooperate with each other to process the workpiece to be processed, the upper die includes a forming insert, a A punch and a molding block; the punch is nested in the molding insert, and the molding block is nested in the central slot of the molding insert; the lower mold includes a die and a die nested in the center of the die Forming the floating material strip, the inner center of the concave mold is provided with a workpiece groove, the workpiece groove accommodates the workpiece to be processed placed on the forming floating material strip, during processing, the upper end surface of the workpiece groove is against the forming insert on the subject. Compared with the prior art, the automatic punching and cutting molding die for semiconductor products of the utility model can reduce the labor intensity of the operators; reduce the number of operators, one person can operate multiple devices, improve production efficiency; reduce the cost of consumable parts used in the mold , improve product cost performance.

Description

The automatic cutting molding die of semiconductor product

[technical field]

The utility model relates to semiconductor processing technology field more particularly to a kind of semiconductor pin once bind foot it is molding The automatic cutting molding die of semiconductor product.

[background technique]

The pin of the products such as patch products or capacitor in semiconductor be all to bind foot it is molding.The art at present In common technique be with manual punch die punching production, the danger again of such processing method operating difficulties, production efficiency is low, quality Also low.Another processing technology is using automatic cutting mold, and this mold requires while compatible two or more works To complete, it is very expensive to process the die manufacturing cost used for position, due to wanting multiple station Combined process, production operation very not side Just.Moreover, after encountering cancel closedown in process of manufacture, bad exclusion handling failure, very influence production efficiency, to operation The technology of worker also requires relatively high, and the product of production is difficult to quantify.Also quality requirements needed for actual product being not achieved at all.

In view of the above deficiency, in order to be bound foot place with high efficiency, high-quality, safety, automation to the pin of semiconductor Reason, it is necessary to which the automatic cutting molding die that the completely new semiconductor pin of one kind once binds foot molding semiconductor product is provided.

[utility model content]

For the problems for overcoming existing semiconductor pin processing technology, the utility model provides a kind of semiconductor product Automatic cutting molding die.

The scheme that the utility model solves technical problem is to provide a kind of automatic cutting molding die of semiconductor product, packet A upper mold and a lower die are included, the upper die and lower die, which are worked in coordination, processes workpiece to be processed, and the upper mold includes a molding Mold insert, a punch-pin and a Forming press；Punch-pin is nested in molding mold insert, and Forming press is nested in the center slot of molding mold insert It is interior；The lower die includes a cavity plate and the molding buoyant item for being nested in cavity plate inside center, the inside center setting of the cavity plate There is a workpiece slot, receiving is placed on the workpiece to be processed on molding buoyant item in the workpiece slot, when processing, the upper end of workpiece slot Face is resisted against in the main body of molding mold insert.

Preferably, the bottom of workpiece slot is set as edge of a knife limiting stand, and the lower part of edge of a knife limiting stand is additionally provided with binder head limit Position platform, the internal diameter of workpiece slot are greater than the internal diameter of edge of a knife limit dais, and the internal diameter of edge of a knife limit dais is greater than pressure The internal diameter of material head limiting stand.

Preferably, the workpiece to be processed includes workpiece body and the pin for being symmetricly set on workpiece body both sides, and two Pin is connected in parallel at the both sides of workpiece body.

Preferably, the workpiece body of the workpiece to be processed is placed on molding buoyant item, and two pins are placed on cavity plate Upper end on.

Preferably, the molding mold insert, punch-pin and Forming press are moved up and down by driving independently of one another.

Preferably, the lower central of the molding mold insert extends a binder head from the main part of molding mold insert, described Binder head is sheet type knife edge structure, is pressed at the pin positions of workpiece to be processed.

Preferably, the lower central of the punch-pin extends a cutter head from the main part of punch-pin, and the cutter head is for cutting The pin of disconnected workpiece to be processed.

Preferably, the lower end center of the Forming press is set as a T shape briquetting head, and the T shape briquetting head is pressed in be added In the workpiece body of work workpiece.

Preferably, the binder head, cutter head, T shape briquetting head are respectively positioned on the lower half of upper mold, under original state, binder head, Cutter head is adjacent to each other and bottom flushes, and T shape briquetting head bottom is slightly above the bottom of binder head, cutter head.

Compared with prior art, former technique is that four steps of work pieces process will be divided into two or more stations It could complete, the station of mold is more, and shape is naturally also bigger, the bad control of precision, and manufacturing cost is relatively high.And this is practical new This four steps of type are integrated on a station, firstly, a series of multistation cooperation precision problem avoided.Secondly, by Then the work that a station is completed, so mold is more brief, front and rear width is smaller, and cleaning mold and debugging are compared It is convenient.Again, easy to operate since mold is simple, the labor intensity of operator is reduced, technical requirements reduce, to personnel Mobility also have bigger adaptability.

In addition, punch-pin and Die Design are replaced simply, cost is also relatively low at Embedded structure after abrasion.Primary folding Roll forming workpiece pin and horizontal plane are designed to the acute angle less than 90 degree, it can be ensured that two curved rear pins do not upwarp.

Generally speaking, the automatic cutting molding die of the semiconductor product of the utility model and processing method and the prior art It compares, it can be with the labor intensity of reduction operation worker；Operator is reduced, a people can operate multiple devices, improve production effect Rate；The wearing detail cost that mold uses is reduced, product cost is improved；Working service equipment is fairly simple, fast, replaces accessory It is convenient；It can preferably realize production automation.

[Detailed description of the invention]

Fig. 1 is the cross-sectional view of the automatic cutting molding die of the utility model semiconductor product；

Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；

Fig. 3 is the processed process schematic of the utility model workpiece to be processed；

Fig. 4 is the method stream processed using the automatic cutting molding die of the utility model semiconductor product to workpiece Cheng Tu；

Fig. 5 is the structural schematic diagram of step S1 in Fig. 4；

Fig. 6 is the structural schematic diagram of step S2 in Fig. 4；

Fig. 7 is the structural schematic diagram of step S3 in Fig. 4；

Fig. 8 is the structural schematic diagram of step S4 in Fig. 4.

[specific embodiment]

In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to solve The utility model is released, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can To be directly to another element or may be simultaneously present centering elements.

It is only each other relatively it should also be noted that, the positional terms such as left and right, upper and lower in the utility model embodiment Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.

Referring to Fig. 1, the automatic cutting molding die 10 of the semiconductor product of the utility model includes a upper mold 101 and one Lower die 102, the upper mold 101, lower die 102 are worked in coordination and are processed to workpiece to be processed.It is alternatively possible to drive upper mold 101 move downward and are cooperated with lower die 102, and lower die 102 can also be driven to move upwards and cooperated with upper mold 101, can also be same When driving upper mold 101 moves downward, lower die 102 is moved upwards to be cooperated and be processed to workpiece.

The upper mold 101 includes a molding mold insert 1011, a punch-pin 1013 and a Forming press 1015；Three is nested one by one Setting.Punch-pin 1013 is nested in molding mold insert 1011, and Forming press 1015 is nested in the center slot of molding mold insert 1011. When upper mold 101 moves up and down, the three is moved up and down by driving independently of one another.

The lower central of the molding mold insert 1011 extends a binder head 1012 from the main part of molding mold insert 1011, The binder head 1012 is sheet type knife edge structure, is pressed at the pin positions of workpiece to be processed, but not cuts off pin.

The lower central of the punch-pin 1013 extends a cutter head 1014, the cutter head from the main part of punch-pin 1013 1014 for cutting off the pin of workpiece to be processed.

The lower end center of the Forming press 1015 is set as a T shape briquetting head 1016, and the T shape briquetting head 1016 is pressed in In the workpiece body of workpiece to be processed.

The binder head 1012, cutter head 1014, T shape briquetting head 1016 are respectively positioned on the lower half of upper mold 101, and the three protects Hold nest relation identical with molding mold insert 1011, punch-pin 1013 and Forming press 1015.Under original state, binder head 1012, Cutter head 1014 is adjacent to each other and bottom flushes, and since workpiece body has certain thickness, 1016 bottom of T shape briquetting head is slightly above The bottom of binder head 1012, cutter head 1014.

Further referring to Fig. 2, the lower die 102 include a cavity plate 1023 and be nested in 1023 inside center of cavity plate at Type buoyant item 1021.The molding buoyant item 1021 is a strip structure, can be moved up and down inside cavity plate 1023.Initial shape Under state, the workpiece body of workpiece to be processed is just placed on molding buoyant item 1021.And two pins of workpiece are placed on cavity plate In 1023 upper end.

The inside center of the cavity plate 1023 is provided with workpiece slot 1024, and the bottom of workpiece slot 1024 is set as edge of a knife limit Platform 1025, the lower part of edge of a knife limiting stand 1025 are additionally provided with binder head limiting stand 1026.The internal diameter of workpiece slot 1024 is greater than Internal diameter at edge of a knife limiting stand 1025, the internal diameter at edge of a knife limiting stand 1025 are greater than the interior of binder head limiting stand 1026 Diameter size.

Receiving is placed on the workpiece to be processed on molding buoyant item 1021 in the workpiece slot 1024.When processing, workpiece slot 1024 upper end is resisted against in the main body of molding mold insert 1011, is limited it and is continued to move downward.1023 bottom of workpiece slot Edge of a knife limiting stand 1025 is resisted against on the cutter head 1014 of punch-pin 1013, is limited it and is continued to move downward.Binder head limiting stand 1026 It is resisted against on the binder head 1012 of molding 1011 bottom of mold insert, limits it and continue to move downward.

Referring to Fig. 3, the workpiece to be processed 103 includes workpiece body 1031 and is symmetricly set on workpiece body both sides Pin 1033.Under original state, two pins 1033 are connected in parallel at the both sides of workpiece body 1031；The first step adds man-hour requirement The pin 1033 on both sides is cut by the automatic cutting molding die 10 of semiconductor product, according to the cutting ruler of setting when cutting The shearing of little progress row, both sides pin 1033 slightly tilts down after cutting, not parallel with the horizontal plane of workpiece body 1031；Second step needs Will by the automatic cutting molding die 10 of semiconductor product by the pin 1033 on both sides in the junction with workpiece body 1031 Upward bending (once bending), the end of pin 1033 is bent into vertically upward after bending, and pin 1033 when due to cutting It slightly tilts downwards, the pin part of pin part and edge now close to workpiece body 1031 is in be slightly less than 90 ° after bending Acute angle, it is ensured that pin 1033 does not upwarp when next step bending；Third step needs to form by the automatic cutting of semiconductor product The pin 1033 on both sides bending (secondary to bend) again up is adjacent to the pin part close to workpiece body 1031 by mold 10 The side of workpiece body 1031, the pin part at edge are adjacent to the upper surface of workpiece body 1031.

Fig. 4 please be participate in, according to the above-mentioned processing request to workpiece 103, using semiconductor product provided by the utility model The method that workpiece 103 is processed of automatic cutting molding die 10, comprising:

Workpiece 103 is placed on the molding buoyant item 1021 of lower die 102 by step S1.Referring to Fig. 5, placing workpiece After 103, workpiece body 1031 is housed in the workpiece slot 1024 of cavity plate 1023, and two pins 1033 lie in a horizontal plane in workpiece slot On the end face on 1024 tops.Upper mold 101 is whole to be moved downward, and after movement, the T shape briquetting head 1016 of Forming press 1015 is pressed in work On the upper surface of part ontology 1031, workpiece body 1031 is fixedly clamped together with molding buoyant item 1021.1012 He of binder head Cutter head 1014 or so is pressed against on pin 1033 side by side.

Step S2, molding mold insert 1011 moves downwardly together with Forming press 1015 cuts pin 1033.Please refer to figure 6, when molding mold insert 1011 and Forming press 1015 move downwardly together, cutter head 1014 is directly in the position contacted with pin 1033 Pin 1033 is cut at place, simultaneously because molding mold insert 1011 drives binder head 1012 also to move downwardly together, so that after cutting Pin 1033 slightly tilt down it is in a certain angle with 1031 horizontal plane of workpiece body.

Step S3, molding buoyant item 1021 continues to move downward with Forming press 1015 once beats pin 1033 It is curved.Referring to Fig. 7, when the pin 1033 that the T shape briquetting head 1016 of Forming press 1015 abuts against after cutting continues to move downward, Since the edge of pin 1033 is stopped and bending by edge of a knife limiting stand 1025, T shape briquetting head 1016 will continue to be pressed downward after bending Pin 1033 move downward until stopping at briquetting head limiting stand 1026.

Step S4, Forming press 1015, which continues to press on workpiece 103 and moves downward, carries out secondary bend to pin 1033.It please join Fig. 8 is read, 1033 end vertical of pin after once bending is upward, when T shape briquetting head 1016 pushes workpiece to move downward, pin 1033 can touch binder head limiting stand 1026 and upwards bending be adjacent on the upper surface of workpiece body 1031.

So far, work of bending entirely is cut off to be completed.Last workpiece 103 is to exit mold by push rod.

In addition, punch-pin 1013 and cavity plate 1023 are designed to Embedded structure, replaced simply after abrasion, cost also compares It is low.Bending and molding workpiece pin 1033 and horizontal plane are designed to the acute angle less than 90 degree, it can be ensured that two curved rear pins 1033 do not upwarp.

Generally speaking, the automatic cutting molding die 10 of the semiconductor product of the utility model and processing method and existing skill Art is compared, can be with the labor intensity of reduction operation worker；Operator is reduced, a people can operate multiple devices, improve production Efficiency；The wearing detail cost that mold uses is reduced, product cost is improved；Working service equipment is fairly simple, and fast, replacement is matched Part is convenient；It can preferably realize production automation.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modification within the principle of utility model, equivalent replacement and improvement etc. should all include the protection scope of the utility model Within.

Claims

1. an automatic punching forming die for semiconductor products, comprising a patrix and a lower die, the patrix and the lower die cooperate with each other to process the workpiece, and it is characterized in that:

The upper mold includes a molding insert, a punch and a molding pressing block; the punch is nested in the molding insert, and the molding pressing block is nested in the central slot of the molding insert;

The lower mold includes a die and a forming floating material strip nested in the inner center of the die, the inner center of the die is provided with a workpiece groove, and the workpiece groove is accommodated on the forming floating material strip to be processed. The workpiece, when machined, bears against the body of the forming insert with the upper end face of the workpiece groove.

2. The automatic punching molding die for semiconductor products as claimed in claim 1, characterized in that: the bottom of the workpiece groove is set as a knife-edge limiting platform, and the lower part of the knife-edge limiting platform is also provided with a binder head limiting platform, and the workpiece The inner diameter of the groove is larger than the inner diameter of the knife-edge limiting platform, and the inner diameter of the knife-edge limiting platform is larger than the inner diameter of the binder head limiting platform.

3. The automatic punching die of semiconductor products as claimed in claim 1, characterized in that: the workpiece to be processed comprises a workpiece body and pins symmetrically arranged on both sides of the workpiece body, and the two pins are connected in parallel to the workpiece body on both sides.

4. The automatic punching molding die for semiconductor products as claimed in claim 3, characterized in that: the workpiece body of the workpiece to be processed is placed on the forming float bar, and the two pins are placed on the upper end surface of the die .

5 . The automatic punching molding die for semiconductor products according to claim 1 , wherein the molding insert, the punch and the molding pressing block are driven to move up and down independently of each other. 6 .

6. The automatic punching molding die for semiconductor products as claimed in claim 3, characterized in that: the lower center of the molding insert extends a pressing head from the main body of the molding insert, and the pressing head is Thin slice knife-edge structure, pressed at the position of the pin of the workpiece to be processed.

7. The automatic punching molding die for semiconductor products as claimed in claim 6, characterized in that: the center of the lower part of the punch extends a cutter head from the main body of the punch, and the cutter head is used to cut off the workpiece to be processed the pins.

8. The automatic punching molding die for semiconductor products as claimed in claim 7, characterized in that: the center of the lower end of the forming briquetting block is set as a T-shaped briquetting head, and the T-shaped briquetting head is pressed against the workpiece to be processed. on the workpiece body.

9. The automatic punching molding die for semiconductor products as claimed in claim 8, characterized in that: the pressing head, cutter head, and T-shaped pressing head are all located at the lower half of the upper die, and in the initial state, the pressing head The head and the cutter head are adjacent to each other and the bottom is flush, and the bottom of the T-shaped briquetting head is slightly higher than the bottom of the binder head and the cutter head.