CN214977177U - Bending die for manufacturing seagull type frame lead - Google Patents
Bending die for manufacturing seagull type frame lead Download PDFInfo
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- CN214977177U CN214977177U CN202121038221.XU CN202121038221U CN214977177U CN 214977177 U CN214977177 U CN 214977177U CN 202121038221 U CN202121038221 U CN 202121038221U CN 214977177 U CN214977177 U CN 214977177U
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Abstract
The utility model relates to the technical field of electronic packaging, in particular to a bending die for manufacturing a seagull type frame lead wire, which comprises an upper pressing forming assembly and a lower frame lead wire bearing mechanism, wherein a connecting column and a fixing stud penetrate through a through hole on a first die in the upper pressing forming assembly, a connecting piece is clamped in a limiting groove of a second die, a limiting plate on the connecting piece is matched with a limiting part A in the limiting groove, and a threaded hole in the connecting block on the connecting piece is matched with the fixing stud; a fixing screw hole on the second die and a first limiting hole on the first die are inserted and fixed with a screw, and a telescopic spring is sleeved on the screw between the first die and the second die; the lead frame of the lower frame lead bearing mechanism consists of a frame and gull wing-shaped pins, and a first bending groove matched with the lead frame is arranged on the lead bearing platform. The utility model discloses it is effectual and the bending efficiency is high to bend.
Description
Technical Field
The utility model relates to a chip semiconductor package shell technical field, concretely relates to mould that bends of preparation gull formula frame lead wire.
Background
The frame lead is an important basic element in the electronic information industry, the frame lead is used as a chip carrier of a semiconductor integrated circuit, the electrical connection between a lead-out end of an internal circuit of a chip and an external lead is realized by means of a bonding gold wire, and the frame lead is a key structural member for forming an electrical circuit and plays a role of a bridge connected with an external lead. SOP (Small Out-Line Package) is a very common form of component, one of surface mount packages.
Along with market development, SOPs are more and more in variety, market requirements are larger and larger, proofing and batch production items are more and more, finished products of the gull-type frame lead cannot be purchased, the cost of the customized precise stamping die is high, the period is long, and the requirements of the rapid proofing production period of products, the cost control of medium-small batch production and the like cannot be well met.
SUMMERY OF THE UTILITY MODEL
To the problem that exists in the above-mentioned prior art, the utility model aims at providing a bending die utensil of making gull formula frame lead wire that the bending is effectual and bending efficiency is high. In order to realize the purpose of the utility model, the following technical scheme is adopted:
a bending die for manufacturing a seagull type frame lead comprises
The upper pressing forming assembly comprises a first die, a second die, a lower pressing die and a connecting piece, wherein a through hole is formed in the center of the first die, first limiting holes are formed in two sides of the through hole respectively, a limiting groove is formed in the center of the second die, a limiting piece A is arranged in the limiting groove, fixing screw holes are formed in two sides of the limiting groove respectively, a bending bulge is formed in the lower surface of the second die, the lower pressing die is of a columnar structure, a connecting column is arranged at the lower end of the lower pressing die, a fixing stud is fixed at the tail end of the connecting column, the connecting piece is composed of a connecting block and a limiting plate fixed below the connecting block, and a threaded hole is formed in the center of the connecting block; the through hole corresponds to the limiting groove, the connecting column and the fixing stud penetrate through the through hole, the connecting piece is clamped in the limiting groove, the limiting plate on the connecting piece is matched with the limiting piece A in the limiting groove, and the threaded hole in the connecting piece is matched with the fixing stud at the tail end of the lower pressing die; the fixing screw hole corresponds to the first limiting hole and is used for inserting and fixing a screw, the screw is composed of a screw head and a stud arranged below the screw head, the screw head is positioned above the first die, the tail end of the stud is connected into the fixing screw hole, and a telescopic spring is sleeved on the screw between the first die and the second die; and
the lower frame lead wire bears the mechanism, the lower frame lead wire bears the mechanism and sets up under last pressing forming assembly, the lower frame lead wire bears the mechanism and includes lead frame and lead wire plummer, the lead frame comprises frame and a plurality of seagull wing pin of setting in the frame, be equipped with the spacing hole of a plurality of seconds on the frame, the upper surface of lead wire plummer is equipped with first bending groove, just first bending groove and lead frame phase-match, the left and right sides of lead wire plummer upper surface is equipped with lead wire groove respectively, just lead wire groove and first bending groove communicate.
Preferably, the connecting piece is of a rectangular structure, and correspondingly, the limiting groove is a rectangular groove.
Preferably, the frame of the lead frame is a rectangular structure, and correspondingly, 4 second limiting holes are arranged, and each second limiting hole is arranged at the four corners of the frame.
Preferably, the gull-wing pins are arranged into a left group and a right group, and each group has 8-20 gull-wing pins.
Preferably, the upper surfaces of the gull-wing pins are located on the same horizontal line, and the lower surfaces of the gull-wing pins are located on the same horizontal line.
Preferably, the upper surface of the gull-wing pin is at the same level as the surface of the frame.
Preferably, a second bending groove is arranged below the first bending groove, and the second bending groove is matched with the lower surface of the gull wing-shaped pin and the bending protrusion.
Compared with the prior art, the beneficial effects of the utility model are that: the bending die for manufacturing the sea-gull type frame lead wire can meet the bending technological requirement of the sea-gull type frame lead wire of the electronic packaging shell, can also meet the bending of the lead wire end part under the condition that the outer frame of the lead wire is kept unchanged, ensures the technological requirement of bending before lead wire welding under the integral straight condition of the lead wire, and realizes the requirements and cost control of medium and small batch production and product sampling; the whole structure is simple, the manufacturing period is short, the maintenance and the adjustment are easy, the cost is low, the adaptability is strong, and the application range is wide.
Drawings
Fig. 1 is a schematic view of the whole structure of a bending die for manufacturing a gull-type frame lead according to the present invention;
fig. 2 is a schematic structural view of the bending die for manufacturing the lead of the gull-type frame of the present invention after being integrally disassembled;
fig. 3 is a schematic front view of the whole bending die for manufacturing the gull-type frame lead according to the present invention;
fig. 4 is a schematic structural view of a bending die for manufacturing a gull-type frame lead according to the present invention in a front view;
FIG. 5 is a schematic view of the second mold of the present invention in bottom view;
fig. 6 is a schematic view of the overall structure of the middle lead frame according to the present invention;
fig. 7 is a schematic view of the overall structure of the middle lead bearing platform of the present invention;
in the figure, 1-first die, 101-through hole, 102-first limit hole, 2-second die, 201-limit groove, 202-fixing screw hole, 203-limit piece A, 204-bending bulge, 3-lower die, 301-connecting column, 302-fixing stud, 4-screw, 401-nail head, 402-stud, 5-connecting piece, 501-connecting block, 502-limit plate, 503-threaded hole, 6-lead frame, 601-second limit hole, 602-gull wing pin, 7-lead bearing platform, 701-first bending groove, 702-second bending groove, 703-lead groove, 8-expansion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Detailed description of the preferred embodiment 1
Fig. 1 is the utility model relates to a make bending die overall structure schematic diagram of seagull formula frame lead wire, fig. 2 is the utility model relates to a make the structure schematic diagram behind the whole split of bending die of seagull formula frame lead wire to combine fig. 3 to fig. 7, from which can see out, the utility model discloses a make bending die of seagull formula frame lead wire, including last pressure forming component and the underframe lead wire bearing mechanism who sets up under last pressure forming component.
The upper pressing forming assembly comprises a first die 1, a second die 2, a lower pressing die 3 and a connecting piece 5 with a rectangular structure, wherein a through hole 101 is formed in the center of the first die 1, and first limiting holes 102 are formed in two sides of the through hole 101 respectively; a rectangular limiting groove 201 is formed in the center of the second mold 2, a limiting piece A203 is arranged in the limiting groove 201, fixing screw holes 202 are formed in two sides of the limiting groove 201 respectively, and a bending protrusion 204 is formed in the lower surface of the second mold 2 so as to facilitate bending operation; the lower pressing die 3 is of a columnar structure, the lower end of the lower pressing die is provided with a connecting column 301, and the tail end of the connecting column 301 is fixed with a fixing stud 302; the connecting piece 5 consists of a connecting block 501 and a limiting plate 502 fixed below the connecting block 501, and a threaded hole 503 is formed in the center of the connecting block 501; in the utility model, the through hole 101 corresponds to the limiting groove 201, the connecting column 301 and the fixing stud 302 penetrate through the through hole 101, the connecting piece 5 is clamped in the limiting groove 201, the limiting plate 502 on the connecting piece 5 is matched with the limiting piece A203 in the limiting groove 201, and the threaded hole 503 in the connecting piece 501 is matched with the fixing stud 302 at the end of the pressing die 3; the fixing screw hole 202 corresponds to the first limiting hole 102 and is used for inserting and fixing a screw 4, the screw 4 is composed of a nail head 401 and a stud 402 arranged below the nail head 401, the nail head 401 is positioned above the first die 1, the tail end of the stud 402 is connected into the fixing screw hole 202, and a telescopic spring 8 is sleeved on the screw 4 between the first die 1 and the second die 2.
The lower frame lead bearing mechanism comprises a lead frame 6 and a lead bearing platform 7, wherein the lead frame 6 is of a rectangular structure, the lead frame 6 is composed of a frame and two groups of gull wing-shaped pins 602 arranged on the left side and the right side of the frame, each group is provided with 8 gull wing-shaped pins 602, the upper surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal line, the lower surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal line, in the embodiment, the upper surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal plane with the surface of the frame, and the four corners of the rectangular frame are respectively provided with a second limiting hole 601 so as to position and fix the lead frame; the upper surface of the lead bearing table 7 is provided with a first bending groove 701 matched with the lead frame 6, a second bending groove 702 matched with the lower surface of the gull wing-shaped pin 602 and the bending protrusion 204 is arranged below the first bending groove 701, and the left side and the right side of the upper surface of the lead bearing table 7 are respectively provided with a lead groove 703 communicated with the first bending groove 701.
Specific example 2
The utility model discloses a mould that bends of preparation seagull formula frame lead wire, including last forming assembly and the underframe lead wire that sets up under last forming assembly bears the mechanism.
The upper pressing forming assembly comprises a first die 1, a second die 2, a lower pressing die 3 and a connecting piece 5 with a rectangular structure, wherein a through hole 101 is formed in the center of the first die 1, and first limiting holes 102 are formed in two sides of the through hole 101 respectively; a rectangular limiting groove 201 is formed in the center of the second mold 2, a limiting piece A203 is arranged in the limiting groove 201, fixing screw holes 202 are formed in two sides of the limiting groove 201 respectively, and a bending protrusion 204 is formed in the lower surface of the second mold 2 so as to facilitate bending operation; the lower pressing die 3 is of a columnar structure, the lower end of the lower pressing die is provided with a connecting column 301, and the tail end of the connecting column 301 is fixed with a fixing stud 302; the connecting piece 5 consists of a connecting block 501 and a limiting plate 502 fixed below the connecting block 501, and a threaded hole 503 is formed in the center of the connecting block 501; in the utility model, the through hole 101 corresponds to the limiting groove 201, the connecting column 301 and the fixing stud 302 penetrate through the through hole 101, the connecting piece 5 is clamped in the limiting groove 201, the limiting plate 502 on the connecting piece 5 is matched with the limiting piece A203 in the limiting groove 201, and the threaded hole 503 in the connecting piece 501 is matched with the fixing stud 302 at the end of the pressing die 3; the fixing screw hole 202 corresponds to the first limiting hole 102 and is used for inserting and fixing a screw 4, the screw 4 is composed of a nail head 401 and a stud 402 arranged below the nail head 401, the nail head 401 is positioned above the first die 1, the tail end of the stud 402 is connected into the fixing screw hole 202, and a telescopic spring 8 is sleeved on the screw 4 between the first die 1 and the second die 2.
The lower frame lead bearing mechanism comprises a lead frame 6 and a lead bearing platform 7, wherein the lead frame 6 is of a rectangular structure, the lead frame 6 is composed of a frame and two groups of gull wing-shaped pins 602 arranged on the left side and the right side of the frame, each group is provided with 20 gull wing-shaped pins 602, the upper surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal line, the lower surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal line, in the embodiment, the upper surfaces of the gull wing-shaped pins 602 are positioned on the same horizontal plane with the surface of the frame, and the four corners of the rectangular frame are respectively provided with a second limiting hole 601 so as to position and fix the lead frame; the upper surface of the lead bearing table 7 is provided with a first bending groove 701 matched with the lead frame 6, a second bending groove 702 matched with the lower surface of the gull wing-shaped pin 602 and the bending protrusion 204 is arranged below the first bending groove 701, and the left side and the right side of the upper surface of the lead bearing table 7 are respectively provided with a lead groove 703 communicated with the first bending groove 701.
In the working process of the utility model, an assembly is formed between the first die and the second die through the screw, the screw passes through the first limiting hole on the first die and then passes through the telescopic spring, the pin head of the screw is positioned above the first die, the tail end of the screw is screwed in the fixed screw hole on the second die, and the telescopic spring can prop open the first die and the second die of the dies under the elastic action; then the connecting piece is clamped into a limiting groove of a second die, and a lower pressing die penetrates through a through hole of a first die and is screwed on a threaded hole of the connecting piece to form an upper pressing forming assembly; at the moment, the first die and the second die are fixed by the pressing die and the connecting piece, and the nail head of the screw is positioned above the first die to play a certain limiting role. The action process of the bending die is as follows:
a first-stage structure: when the upper pressing forming assembly presses the lead, the second die presses the lead frame to fix the lead frame, and meanwhile, the second die can also press the lead region without bending (namely the upper surface of the gull wing-shaped pin), so that unnecessary deformation and deformation are avoided in the bending forming process, the straight state of the lead in the lead region without bending is ensured, and at the moment, the lower surface of the connecting piece is not contacted with the lead due to the elastic action of the telescopic spring;
a second-stage structure: when downward pressure is continuously applied, the bending bulge on the lower surface of the connecting piece is matched with the second bending groove on the lower frame lead bearing mechanism to mold the lead.
As can be seen from the above embodiments of the present invention, the bending die for manufacturing the gull-type frame lead of the present invention can not only meet the bending process requirement of the gull-type frame lead of the electronic package housing, but also meet the bending process of the lead end under the condition that the outer frame of the lead remains unchanged, thereby ensuring the process requirement of bending before welding the lead under the condition that the lead is entirely straight, and realizing the requirements and cost control of medium and small batch production and product sampling; the whole structure is simple, the manufacturing period is short, the maintenance and the adjustment are easy, the cost is low, the adaptability is strong, and the application range is wide.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can understand the changes or substitutions within the technical scope of the present invention, and the protection scope of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a make bending die of seagull formula frame lead wire which characterized in that: comprises that
The upper pressing forming assembly comprises a first die (1), a second die (2), a lower pressing die (3) and a connecting piece (5), wherein a through hole (101) is formed in the center of the first die (1), first limiting holes (102) are formed in two sides of the through hole (101) respectively, a limiting groove (201) is formed in the center of the second die (2), a limiting piece A (203) is arranged in the limiting groove (201), fixing screw holes (202) are formed in two sides of the limiting groove (201) respectively, a bending bulge (204) is formed in the lower surface of the second die (2), the lower pressing die (3) is of a columnar structure, a connecting column (301) is arranged at the lower end of the lower pressing die (3), a fixing stud (302) is fixed at the tail end of the connecting column (301), and the connecting piece (5) comprises a connecting block (501) and a limiting plate (502) fixed below the connecting block (501), a threaded hole (503) is formed in the center of the connecting block (501); the through hole (101) corresponds to the limiting groove (201), the connecting column (301) and the fixing stud (302) penetrate through the through hole (101), the connecting piece (5) is clamped in the limiting groove (201), the limiting plate (502) on the connecting piece (5) is matched with the limiting piece A (203) in the limiting groove (201), and the threaded hole (503) in the connecting piece (501) is matched with the fixing stud (302) at the tail end of the lower pressing die (3); the fixing screw hole (202) corresponds to the first limiting hole (102) and is used for inserting and fixing a screw (4), the screw (4) is composed of a screw head (401) and a stud (402) arranged below the screw head (401), the screw head (401) is positioned above the first die (1), the tail end of the stud (402) is connected into the fixing screw hole (202), and a telescopic spring (8) is sleeved on the screw (4) between the first die (1) and the second die (2); and
the lower frame lead bearing mechanism is arranged under the upper pressing forming assembly and comprises a lead frame (6) and a lead bearing platform (7), the lead frame (6) is composed of a frame and a plurality of gull wing-shaped pins (602) arranged in the frame, a plurality of second limiting holes (601) are formed in the frame, a first bending groove (701) is formed in the upper surface of the lead bearing platform (7), the first bending groove (701) is matched with the lead frame (6), lead grooves (703) are respectively formed in the left side and the right side of the upper surface of the lead bearing platform (7), and the lead grooves (703) are communicated with the first bending groove (701).
2. The mold of claim 1, wherein: the connecting piece (5) is of a rectangular structure, and correspondingly, the limiting groove (201) is a rectangular groove.
3. The bending die for manufacturing a gull frame lead according to claim 1 or 2, wherein: the frame of the lead frame (6) is of a rectangular structure, correspondingly, 4 second limiting holes (601) are arranged, and the second limiting holes (601) are respectively arranged at the four corners of the frame.
4. The mold of claim 1, wherein: the gull-wing pins (602) are arranged into a left group and a right group, and each group has 8-20 gull-wing pins (602).
5. The mold of claim 4, wherein: the upper surfaces of the gull-wing pins (602) are on the same horizontal line, and the lower surfaces of the gull-wing pins (602) are on the same horizontal line.
6. The mold of claim 5, wherein: the upper surface of gull wing pins (602) is at the same level as the surface of the frame.
7. The mold of claim 6, wherein: and a second bending groove (702) is arranged below the first bending groove (701), and the second bending groove (702) is matched with the lower surface of the gull wing-shaped pin (602) and the bending bulge (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121038221.XU CN214977177U (en) | 2021-05-15 | 2021-05-15 | Bending die for manufacturing seagull type frame lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121038221.XU CN214977177U (en) | 2021-05-15 | 2021-05-15 | Bending die for manufacturing seagull type frame lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214977177U true CN214977177U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121038221.XU Active CN214977177U (en) | 2021-05-15 | 2021-05-15 | Bending die for manufacturing seagull type frame lead |
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|---|---|
| CN (1) | CN214977177U (en) |
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2021
- 2021-05-15 CN CN202121038221.XU patent/CN214977177U/en active Active
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