CN105396943A - Bending and cutting die for lead frame - Google Patents
Bending and cutting die for lead frame Download PDFInfo
- Publication number
- CN105396943A CN105396943A CN201510894707.6A CN201510894707A CN105396943A CN 105396943 A CN105396943 A CN 105396943A CN 201510894707 A CN201510894707 A CN 201510894707A CN 105396943 A CN105396943 A CN 105396943A
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- China
- Prior art keywords
- bending
- lead frame
- plate pattern
- cope match
- cutter
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lead Frames For Integrated Circuits (AREA)
Abstract
The invention discloses a bending and cutting die for a lead frame. The bending and cutting die comprises an upper die and a lower die; the lower die comprises a lower plate; a lower die block is fixedly connected to the lower plate; a bending groove is formed in the middle of an upper end face of the lower die block; guiding components for the lead frame are arranged on the two sides of the bending groove; a first positioning component for the lead frame is arranged on one side of the lower plate; a first lower cutter is fixedly arranged on one side of the bending groove, while a second lower cutter is fixedly connected on the other side of the bending groove; the upper die comprises first and second upper plates; the second upper plate is arranged in parallel under the first upper plate; a bending pressure block, a second upper cutter and a plurality of first limiting columns are fixedly connected to a lower end face of the first upper plate; a plurality of pressure springs are arranged between the first upper plate and the second upper plate; a first upper cutter is fixedly connected to one side of the bending pressure block; the bending groove is provided with a bending side surface that is matched with the bending pressure block to bend the lead frame. The bending and cutting die for the lead frame realizes simultaneous bending and cutting of the lead frame, and therefore, the production efficiency is improved.
Description
Technical field
The present invention relates to diel, especially a kind of bending of lead frame and cutting mould.
Background technology
Lead frame, as the carrier of IC chip, is basic material important in electronics and information industry.Existing lead frame normally carries out stamping-out on copper alloy belt, then carries out as required electroplating, cuts off, the operation such as bending completes manufacture process.
Accompanying drawing 1 is exactly that then a kind of stamping-out that carries out on copper alloy belt forms banded lead frame 10a, this lead frame 10a to need along the direction segmentation of a-a line the cut-out of lead frame 10a cut-out and lead frame 10a webbing and featheredge, carries out bending along b-b line direction to lead frame 10a, sometimes also needing the c place of lead frame 10a to cut away is cutting of lead frame 10a feathered edges, traditional manufacture method needs to be divided into multiple working procedure and multiple stage punch press has come, and production efficiency is lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of bending and cutting mould of lead frame, and its bending and cutting achieving lead frame is carried out simultaneously, effectively enhances productivity.
For achieving the above object, technical scheme of the present invention is: a kind of bending of lead frame and cutting mould, comprise patrix, counterdie, described counterdie comprises lower bolster, be connected in the middle of lower bolster upper surface a lower module, a bending groove is provided with in the middle of lower module upper surface, the lower module of bending groove both sides is equipped with the guiding parts of lead frame, the lower bolster of lower module side is also provided with the first positioning element of lead frame, described first positioning element positions lead frame when lead frame stops mobile, bending groove is installed with the first lower cutter near the first positioning element side, bending groove is installed with the second lower cutter away from the side of the first positioning element side,
Described patrix comprises the first cope match-plate pattern and the second cope match-plate pattern, second cope match-plate pattern is set in parallel in below the first cope match-plate pattern, second cope match-plate pattern is equipped with many guide pillars, first cope match-plate pattern is provided with multiple first pilot hole and matches with the top of many guide pillars, and lower bolster is provided with multiple second pilot hole and matches with the bottom of many guide pillars;
The lower surface of the first cope match-plate pattern is fixed with the first highly identical limited post of bending briquetting, the second upper cutter and Duo Gen, and arrange multiple stage clip between the first cope match-plate pattern and the second cope match-plate pattern, bending briquetting is fixed with the first upper cutter near the first positioning element side;
When described patrix and counterdie matched moulds, bending briquetting matches with described bending groove through the second cope match-plate pattern, first upper cutter matches with the first lower cutter, second upper cutter matches with the second lower cutter through the second cope match-plate pattern, and bending groove is provided with a bending side and matches with bending briquetting and carry out bending to lead frame.
Further improvement, described bending groove is provided with multiple first back-up block, and each first back-up block is scalable to be arranged on lower module.Bending quality can be improved further by multiple first back-up block.Make the upper surface of the first back-up block be provided with a L connected in star more further, matched with guiding parts by L connected in star, can better lead to lead frame.
Preferably described first positioning element comprises the locating piece be connected on lower bolster, locating piece is provided with the horizontal through hole allowing lead frame pass, locating piece is equipped with and vertically arranges telescopic first locating dowel, the lower end of the first locating dowel is stretched in horizontal through hole and is positioned lead frame.As long as drive the first locating dowel just can conveniently position lead frame like this.
Preferred described guiding parts comprises the guide rail being arranged on bending groove side and the multiple guiding nails being arranged on bending groove opposite side, guide rail is connected on lower module, each guiding nail is scalable to be arranged on lower module, multiple guiding nail is spaced apart along the moving direction of lead frame, and the part that each guiding nail stretches out lower module upper surface is provided with guide channel.Preferred described guide channel is cannelure.
Further preferred described guide rail is at least divided into two sections, and wherein one section of guide rail is arranged near the first positioning element, and other guide rail is arranged at bending trough rim.Be conducive to leading respectively to the part of lead frame bending and non-dogleg section.
Further improvement, the second positioning element of lead frame is provided with between described lower module and the second cope match-plate pattern, second positioning element comprises many second locating dowels and the scalable multiple support columns be contained on lower module that are arranged on the second cope match-plate pattern lower surface, and the upper end of each support column is provided with resigning hole and matches with second locating dowel.Accurately located lead frame during bending by the second positioning element, multiple support column can also play de-material effect simultaneously.
Further improvement, the lower module that the second lower cutter is other is equipped with telescopic second back-up block.Quality is cut when second upper cutter coordinates with the second lower cutter to improve.
Further improvement, the bending side of described bending groove is interval with multiple groove.To play the effect of better stepping down.
Further improvement, described bending groove is installed with the 3rd lower cutter away from the first positioning element side, folded block is fixed with the 3rd upper cutter away from the first positioning element side, when described patrix and counterdie matched moulds, 3rd upper cutter matches with the 3rd lower cutter, lower module limit is provided with one and blows material pipe, and blow material pipe and be connected on a support member, support member is scalable to be contained on lower bolster.To be matched with the 3rd lower cutter by the 3rd upper cutter and realize cutting of lead frame feathered edges, enhance productivity further.
Improve further, described 3rd lower cutter upper surface is obliquely installed again, and the height of the 3rd lower cutter near the side, bending side of bending groove is lower than the height of the 3rd lower cutter away from the side, bending side of bending groove.With guarantee lead frame feathered edges cut and raising cuts quality.
The present invention to be matched with bending groove by bending briquetting and carries out bending to lead frame, matched with the first lower cutter by the first upper cutter, the second upper cutter matches with the second lower cutter, respectively the featheredge of lead frame and webbing are cut, the bending and cutting that the effect of adding guiding parts and positioning element achieves lead frame is carried out simultaneously, effectively enhances productivity.In addition, the 3rd upper cutter is set further and matches with the 3rd lower cutter and realize cutting of lead frame feathered edges, solve the difficult problem that lead frame featheredge is difficult to cut.
Accompanying drawing explanation
Fig. 1 is a kind of top view of lead frame;
Fig. 2 is patrix of the present invention and counterdie matched moulds state stereogram;
Fig. 3 is the top perspective view of counterdie;
Fig. 4 is the A place enlarged drawing of Fig. 3;
Fig. 5 is the top view of counterdie;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the C-C sectional view of Fig. 5;
Fig. 8 is the D-D sectional view of Fig. 5;
Fig. 9 is the face upwarding stereogram of patrix;
Figure 10 is that Fig. 9 hides the second cope match-plate pattern and Duo Gen guide pillar face upwarding stereogram;
To be stage clip compressed rear bending briquetting and the second upper cutter and stretched out the face upwarding stereogram of the second cope match-plate pattern to Figure 11.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the present invention is described in further detail.
Shown in Fig. 1 to Figure 11, a kind of bending of lead frame and cutting mould, comprise patrix 100 and counterdie 200.
Described counterdie 200 comprises lower bolster 1, centre, lower bolster 1 upper surface bolt is connected a lower module 2, a bending groove 21 is provided with in the middle of lower module 2 upper surface, the lower module 2 of bending groove 21 both sides is equipped with the guiding parts 3 of lead frame 10a, the first positioning element 4, first positioning element 4 that the lower bolster 1 of lower module 2 side is also provided with lead frame 10a also can be set directly on lower module 2; Described first positioning element 4 positions lead frame 10a when lead frame 10a stops mobile, bending groove 21 is installed with the first lower cutter 5 near the first positioning element 4 side, bending groove 21 is installed with the second lower cutter 6 away from the side of the first positioning element 4 side, is installed with the 3rd lower cutter 7 at described bending groove 21 away from the first positioning element 4 side.
Described guiding parts 3 comprises the guide rail 31 being arranged on bending groove 21 side and the multiple guiding nails 32 being arranged on bending groove 21 opposite side, guide rail 31 is connected on lower module 2, each guiding nail 32 is scalable to be arranged on lower module 2, multiple guiding nail 32 is spaced apart along the moving direction of lead frame 10a, the part that each guiding nail 32 stretches out lower module 2 upper surface is provided with guide channel 321, and guide channel 321 is cannelure.
Described guide rail 31 is divided into two sections, and wherein one section of guide rail 31 is arranged near the first positioning element 4, and other guide rail 31 is arranged at bending groove 21 limit; The part and the non-dogleg section that are conducive to lead frame 10a bending like this lead respectively.
Described first positioning element 4 comprises the locating piece 41 be connected on lower bolster 1, can know from Fig. 3 and find out, locating piece 41 is connected by three blocks of plates and forms, locating piece 41 is provided with the horizontal through hole 411 allowing lead frame 10a pass, locating piece 41 is equipped with telescopic first locating dowel 42 is vertically set, can find out further from Fig. 7, in the middle part of the first locating dowel 42, cover has spring can stretch up and down to make the first locating dowel 42; During location, the first locating dowel 42 its lower end under the driving of driver part is stretched in horizontal through hole 411 and the locating hole 101a inserted on lead frame 10a positions lead frame 10a.
Described patrix 100 comprises the first cope match-plate pattern 8 and the second cope match-plate pattern 9, second cope match-plate pattern 9 is set in parallel in below the first cope match-plate pattern 8, second cope match-plate pattern 9 is equipped with four guide pillars 10, four guide pillars 10 and the second cope match-plate pattern 9 are formed and are connected, first cope match-plate pattern 8 is provided with four the first pilot holes 81 and matches with the top of four guide pillars 10, each first pilot hole 81 cover has the first fairlead 82 to match with guide pillar 10, lower bolster 1 is provided with four the second pilot holes and matches with the bottom of four guide pillars 10, each second pilot hole is equipped with the second fairlead 11 and matches with guide pillar 10, by fairlead 82, 11 to improve quality of fit and the greasy property of guide pillar 10.
The lower surface of the first cope match-plate pattern 8 is fixed with bending briquetting 12, second upper cutter 61 first limited post 13 highly identical with Duo Gen, between first cope match-plate pattern 8 and the second cope match-plate pattern 9, multiple stage clip 14 is set, bending briquetting 12 is fixed with the first upper cutter 51 near the first positioning element 4 side, and folded block is fixed with the 3rd upper cutter 71 away from the first positioning element 4 side;
When described patrix 100 is with counterdie 200 matched moulds, bending briquetting 12 matches with described bending groove 21 through the second cope match-plate pattern 9, first upper cutter 51 matches with the first lower cutter 5,3rd upper cutter 71 matches with the 3rd lower cutter 7, second upper cutter 61 matches with the second lower cutter 6 through the second cope match-plate pattern 9, second cope match-plate pattern 9 is provided with the through hole allowing bending briquetting 12 and the second upper cutter 61 pass, and bending groove 21 is provided with a bending side 211 and matches with bending briquetting 12 and carry out bending to lead frame 10a.
Bending side 211 is interval with multiple groove 212, to play the effect of stepping down; Described bending groove 21 is provided with multiple first back-up block 213, each first back-up block 213 is scalable to be arranged on lower module 2, the lower end of the first back-up block 213 is supported on to make the first back-up block 213 stretch up and down on spring, can improve bending quality further by arranging the first back-up block 213;
In addition, the upper end of the first back-up block 213 is made to form a L connected in star 2131, then the guide rail 31 being in bending groove 21 limit is made to extend a projection 311 to bending groove 21 direction, first back-up block 213, first back-up block 213 top under the Spring driving of lower end withstands on protruding 311, such L connected in star 2131 and protruding 311 better can carry out guiding and spacing to the movement of lead frame 10a, prevents lead frame 10a from deflecting.
Second positioning element of lead frame 10a is provided with between described lower module 2 and the second cope match-plate pattern 9, second positioning element comprises many second locating dowels 15 and the scalable multiple support columns 16 be contained on lower module 2 that are arranged on the second cope match-plate pattern 9 lower surface, and the upper end of each support column 16 is provided with resigning hole 161 and matches with second locating dowel 15.
Lower module 2 limit is provided with one and blows material pipe 17, and blow material pipe 17 and be connected on a support member 18, support member 18 is scalable to be contained on lower bolster 1.By blowing material pipe 17, lead frame 10a featheredge is cut away part blowout lower module 2.
The lower module 2 that second lower cutter 6 is other is equipped with telescopic second back-up block 19, better can be improved by the second back-up block 19 and cut quality.
Can clearlyer find out from the enlarged drawing of Fig. 4, described 3rd lower cutter 7 upper surface is obliquely installed, and the height of the 3rd lower cutter 7 near the side, bending side 211 of bending groove 21 is lower than the height of the 3rd lower cutter 7 away from the side, bending side 211 of bending groove 21.
For convenience of the installation of patrix 100, be connected in the upper surface of cope match-plate pattern 8 contiguous block 83, and contiguous block 83 is provided with connecting groove 831.
When the present invention uses, the contiguous block 83 that patrix 100 utilizes cope match-plate pattern 8 upper surface to be connected is connected with the drift of punch press, the lower bolster 1 of counterdie 200 is connected on the workbench of punch press, lead frame 10a from the horizontal through hole 411 locating piece 41 through and move along the guide rail 31 and the guide channel 321 of multiple guiding nail 32 of guiding parts 3, stop when the front end of lead frame 10a moves to the second lower cutter 6, then the first locating dowel 42 its lower end under the driving of driver part as cylinder to be stretched in horizontal through hole 411 and the locating hole 101a inserted on lead frame 10a carries out just location to lead frame 10a, then, the drift of punch press drives patrix 100 undershoot, multiple locating hole 101a that many second locating dowels 15 of the second cope match-plate pattern 9 lower surface are inserted on lead frame 10a respectively accurately locate lead frame 10a, and the lower end of many second locating dowels 15 also inserts the resigning hole 161 of the upper end of support column 16 respectively simultaneously, now lead frame 10a is pressed on the upper surface of lower module 2 by the second cope match-plate pattern 9 lower surface, then the first cope match-plate pattern 8 continues to move down, bending briquetting 12 matches with bending groove 21 through the second cope match-plate pattern 9 and carries out bending to lead frame 10a, simultaneously the first upper cutter 51 matches with the first lower cutter 5 featheredge of lead frame 10a to cut off and namely the lower part of a-a line in accompanying drawing 1 is cut off, 3rd upper cutter 71 matches with the 3rd lower cutter 7 and the feathered edges that i.e. lead frame 10a is cut away at the c place of lead frame 10a is cut away, and then patrix 100 moves reset.
Following again, first locating dowel 42 is transfered from one place to another under escort except lead frame 10a locates, lead frame 10a moves setpoint distance again, lead frame 10a is made to move to the second lower cutter 6 place along the part of a-a line, first locating dowel 42 carries out just location again, patrix 100 undershoot again, just the webbing of lead frame 10a is cut off and namely the upper part of a-a line in accompanying drawing 1 is cut off, realize the separation of one section of lead frame 10a, now, first upper cutter 51 matches with the first lower cutter 5 and the featheredge of next section of lead frame 10a is cut off, bending briquetting 12 matches with bending groove 21 and carries out bending and the 3rd upper cutter 71 to the lead frame 10a of next section and to match with the 3rd lower cutter 7 the c place of next section of lead frame 10a cut away.Therefore patrix 100 and counterdie 200 matched moulds are once, and just can realize the cutting of one section of lead frame 10a, bending and feathered edges and cut, it effectively improves the production efficiency of lead frame.
Below be only the present invention's preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (10)
1. the bending of a lead frame and cutting mould, comprise patrix, counterdie, it is characterized in that: described counterdie comprises lower bolster, be connected in the middle of lower bolster upper surface a lower module, a bending groove is provided with in the middle of lower module upper surface, the lower module of bending groove both sides is equipped with the guiding parts of lead frame, the lower bolster of lower module side is also provided with the first positioning element of lead frame, described first positioning element positions lead frame when lead frame stops mobile, bending groove is installed with the first lower cutter near the first positioning element side, bending groove is installed with the second lower cutter away from the side of the first positioning element side,
Described patrix comprises the first cope match-plate pattern and the second cope match-plate pattern, second cope match-plate pattern is set in parallel in below the first cope match-plate pattern, second cope match-plate pattern is equipped with many guide pillars, first cope match-plate pattern is provided with multiple first pilot hole and matches with the top of many guide pillars, and lower bolster is provided with multiple second pilot hole and matches with the bottom of many guide pillars;
The lower surface of the first cope match-plate pattern is fixed with the first highly identical limited post of bending briquetting, the second upper cutter and Duo Gen, and arrange multiple stage clip between the first cope match-plate pattern and the second cope match-plate pattern, bending briquetting is fixed with the first upper cutter near the first positioning element side;
When described patrix and counterdie matched moulds, bending briquetting matches with described bending groove through the second cope match-plate pattern, first upper cutter matches with the first lower cutter, second upper cutter matches with the second lower cutter through the second cope match-plate pattern, and bending groove is provided with a bending side and matches with bending briquetting and carry out bending to lead frame.
2. the bending of a kind of lead frame according to claim 1 and cutting mould, it is characterized in that: on described bending groove, be provided with multiple first back-up block, each first back-up block is scalable to be arranged on lower module.
3. the bending of a kind of lead frame according to claim 1 and cutting mould, it is characterized in that: described first positioning element comprises the locating piece be connected on lower bolster, locating piece is provided with the horizontal through hole allowing lead frame pass, locating piece is equipped with and vertically arranges telescopic first locating dowel, the lower end of the first locating dowel is stretched in horizontal through hole and is positioned lead frame.
4. the bending of a kind of lead frame according to claim 1 and cutting mould, it is characterized in that: described guiding parts comprises the guide rail being arranged on bending groove side and the multiple guiding nails being arranged on bending groove opposite side, guide rail is connected on lower module, each guiding nail is scalable to be arranged on lower module, multiple guiding nail is spaced apart along the moving direction of lead frame, and the part that each guiding nail stretches out lower module upper surface is provided with guide channel.
5. the bending of a kind of lead frame according to claim 4 and cutting mould, it is characterized in that: described guide rail is at least divided into two sections, wherein one section of guide rail is arranged near the first positioning element, and other guide rail is arranged at bending trough rim.
6. the bending of a kind of lead frame according to claim 1 and cutting mould, it is characterized in that: the second positioning element being provided with lead frame between described lower module and the second cope match-plate pattern, second positioning element comprises many second locating dowels and the scalable multiple support columns be contained on lower module that are arranged on the second cope match-plate pattern lower surface, and the upper end of each support column is provided with resigning hole and matches with second locating dowel.
7. the bending of a kind of lead frame according to claim 1 and cutting mould, is characterized in that: on the lower module that the second lower cutter is other, telescopic second back-up block is housed.
8. the bending of a kind of lead frame according to claim 1 and cutting mould, is characterized in that: the bending side of described bending groove is interval with multiple groove.
9. the bending of a kind of lead frame according to any one of claim 1 to 8 and cutting mould, it is characterized in that: described bending groove is installed with the 3rd lower cutter away from the first positioning element side, folded block is fixed with the 3rd upper cutter away from the first positioning element side, when described patrix and counterdie matched moulds, 3rd upper cutter matches with the 3rd lower cutter, lower module limit is provided with one and blows material pipe, and blow material pipe and be connected on a support member, support member is scalable to be contained on lower bolster.
10. the bending of a kind of lead frame according to claim 9 and cutting mould, it is characterized in that: described 3rd lower cutter upper surface is obliquely installed, and the height of the 3rd lower cutter near the side, bending side of bending groove is lower than the height of the 3rd lower cutter away from the side, bending side of bending groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894707.6A CN105396943B (en) | 2015-12-08 | 2015-12-08 | Bending and cutting die for lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894707.6A CN105396943B (en) | 2015-12-08 | 2015-12-08 | Bending and cutting die for lead frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105396943A true CN105396943A (en) | 2016-03-16 |
| CN105396943B CN105396943B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894707.6A Expired - Fee Related CN105396943B (en) | 2015-12-08 | 2015-12-08 | Bending and cutting die for lead frame |
Country Status (1)
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Cited By (8)
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| CN107150096A (en) * | 2017-05-08 | 2017-09-12 | 临海市中创自动化设备有限公司 | Winding displacement blanking apparatus |
| CN109332470A (en) * | 2018-11-07 | 2019-02-15 | 深圳振华富电子有限公司 | SMT Inductor exit foot cut device |
| CN112058998A (en) * | 2020-08-28 | 2020-12-11 | 北京鸿运汇商贸有限公司 | Plate pressing forming die with cutting knife |
| CN113130353A (en) * | 2021-03-17 | 2021-07-16 | 杭州沃镭智能科技股份有限公司 | Automatic moulding mechanism of new energy automobile IGBT chip |
| CN113458280A (en) * | 2021-06-17 | 2021-10-01 | 江苏大学 | Device is surely rolled over to axial components and parts pin in batches based on vision |
| CN113770257A (en) * | 2021-11-15 | 2021-12-10 | 宁波德洲精密电子有限公司 | Quick initial positioning device of lead frame cutting die |
| TWI775072B (en) * | 2018-03-28 | 2022-08-21 | 日商Ｊｘ金屬股份有限公司 | Punch structure of stamping die, stamping die and manufacturing method of stamping formed part |
| CN116765188A (en) * | 2023-08-21 | 2023-09-19 | 宁波德洲精密电子有限公司 | Lead frame bending device |
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| CN109332470A (en) * | 2018-11-07 | 2019-02-15 | 深圳振华富电子有限公司 | SMT Inductor exit foot cut device |
| CN112058998A (en) * | 2020-08-28 | 2020-12-11 | 北京鸿运汇商贸有限公司 | Plate pressing forming die with cutting knife |
| CN113130353A (en) * | 2021-03-17 | 2021-07-16 | 杭州沃镭智能科技股份有限公司 | Automatic moulding mechanism of new energy automobile IGBT chip |
| CN113130353B (en) * | 2021-03-17 | 2024-02-13 | 杭州沃镭智能科技股份有限公司 | Automatic shaping mechanism of new energy automobile IGBT chip |
| CN113458280A (en) * | 2021-06-17 | 2021-10-01 | 江苏大学 | Device is surely rolled over to axial components and parts pin in batches based on vision |
| CN113458280B (en) * | 2021-06-17 | 2022-08-23 | 江苏大学 | Device is surely rolled over to axial components and parts pin in batches based on vision |
| CN113770257A (en) * | 2021-11-15 | 2021-12-10 | 宁波德洲精密电子有限公司 | Quick initial positioning device of lead frame cutting die |
| CN113770257B (en) * | 2021-11-15 | 2022-04-12 | 宁波德洲精密电子有限公司 | Quick initial positioning device of lead frame cutting die |
| CN116765188A (en) * | 2023-08-21 | 2023-09-19 | 宁波德洲精密电子有限公司 | Lead frame bending device |
| CN116765188B (en) * | 2023-08-21 | 2023-11-03 | 宁波德洲精密电子有限公司 | Lead frame bending device |
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| Publication number | Publication date |
|---|---|
| CN105396943B (en) | 2017-05-24 |
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