CN220920581U - Lead frame and processing device thereof - Google Patents
Lead frame and processing device thereof Download PDFInfo
- Publication number
- CN220920581U CN220920581U CN202322688686.5U CN202322688686U CN220920581U CN 220920581 U CN220920581 U CN 220920581U CN 202322688686 U CN202322688686 U CN 202322688686U CN 220920581 U CN220920581 U CN 220920581U
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- China
- Prior art keywords
- rack
- lead frame
- stamping die
- processing device
- detection table
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- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 29
- 238000004080 punching Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 20
- 229910052802 copper Inorganic materials 0.000 description 20
- 239000010949 copper Substances 0.000 description 20
- 239000002184 metal Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 19
- 238000005457 optimization Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Abstract
The utility model relates to the technical field of lead frame processing, and particularly discloses a lead frame and a processing device thereof. The utility model can rapidly limit and position the stamped lead frame, effectively avoid the problem of offset dislocation of the lead frame, and has higher working efficiency.
Description
Technical Field
The utility model relates to the technical field of lead frame processing, in particular to a lead frame and a processing device thereof.
Background
The lead frame is a base material of semiconductor package, is a chip carrier of an integrated circuit, is an important base material in the electronic information industry, plays roles of stabilizing chips, connecting circuits, radiating heat and the like, and is gradually becoming the main stream of the market along with the development of miniaturization, thinning, light weight and multifunction of the integrated circuit.
The existing stamping type lead frame is processed by continuously stamping a metal copper strip, continuously conveying the metal copper strip between an upper stamping die and a lower stamping die of a stamping machine table, continuously stamping, and then equidistant cutting the formed metal copper strip after stamping, so that the processing and the production of the lead frame are finally completed. However, the existing stamping process is easy to cause the deviation and dislocation of the lead frame, and the working efficiency is affected.
For this purpose, we propose a lead frame and a processing device thereof to solve the above problems.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a lead frame and a processing device thereof.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a lead frame and processingequipment thereof, includes punching machine platform and sets up last stamping die and lower stamping die on punching machine platform, lower stamping die left side is equipped with the detection platform, and the detection platform upside is equipped with the rectangle shell, and rectangle shell top is fixed with first rack, is equipped with link gear between first rack and the last stamping die, and punching machine platform upside is fixed with the mount pad, and the side all rotates around the mount pad is connected with a plurality of spacing wheels.
Preferably, the mounting seat is provided with a sinking groove corresponding to the detection table, the detection table is fixedly arranged in the sinking groove, and the upper side of the detection table corresponds to the upper side of the lower stamping die in a flush manner.
Preferably, the rotating shafts of the limiting wheels are vertically upwards, and the limiting wheels are equidistantly arranged.
Preferably, the upside of the punching machine table is fixed with an inverted U-shaped frame body, and the first rack is in sliding connection with the inverted U-shaped frame body.
Preferably, the linkage mechanism comprises a second rack which is vertically arranged, the second rack is fixedly connected with the upper stamping die, the first rack and the second rack are arranged in parallel, a gear is arranged between the first rack and the second rack, and the first rack and the second rack are matched with the gear in a meshed mode.
Preferably, the upper side of the punching machine table is fixed with a limiting frame, the first rack and the second rack are both matched with the inside of the limiting frame in a sliding mode, and the gear is connected with the side edge of the limiting frame in a rotating mode.
Preferably, install the shot-light in the rectangle shell, install the wide angle camera in the detection platform, rectangle shell bottom is equipped with the rectangle mouth that corresponds with the shot-light, detects the bench top and is equipped with the rectangle transparent window that corresponds with the wide angle camera, and rectangle transparent window aligns with the rectangle mouth and set up, and the bottom edge of rectangle shell encircles and is fixed with the foam-rubber cushion.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the rectangular shell, the detection table and the limiting wheels are arranged, the linkage mechanism is arranged between the rectangular shell and the upper stamping die, the upper stamping die can drive the rectangular shell to move reversely, the rectangular shell descends to match with the detection table, so that the metal copper strips after stamping can be clamped and positioned, namely, the lead frames are clamped and positioned, the problem that the lead frames deviate and are dislocated is effectively prevented, namely, the lead frames are prevented from being separated by the upper stamping die, and the limiting wheels on two sides effectively limit and position two sides of the metal copper strips, so that the working efficiency is effectively ensured. Meanwhile, the up-and-down moving effect of the rectangular shell can adapt to clamping of metal copper strips with different thickness specifications, and normal conveying of the metal copper strips cannot be affected. Meanwhile, the scattering lamp is arranged in the rectangular shell, and the wide-angle camera is arranged in the detection table, so that effective monitoring of the lead frame is realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
Fig. 1 is a schematic structural diagram of a lead frame and a processing device thereof according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of a lead frame and a first rack, a second rack and a gear of a processing device thereof according to the present utility model;
Fig. 4 is a cross-sectional view of a test table and a rectangular housing of a lead frame and a processing apparatus thereof according to the present utility model.
In the figure: 1. a punching machine table; 2. an upper stamping die; 3. a lower stamping die; 4. a detection table; 5. a rectangular shell; 6. a first rack; 7. a diffuse lamp; 8. a wide angle camera; 9. a mounting base; 10. a limiting wheel; 11. an inverted U-shaped frame body; 12. a second rack; 13. a gear; 14. a limiting frame; 15. a rectangular transparent window; 16. a sponge cushion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 4, a lead frame and a processing apparatus thereof includes a press table 1, and an upper press die 2 and a lower press die 3 provided on the press table 1, the upper press die 2 and the lower press die 3 on the press table 1 being used for punching a metal copper strip, thereby punching and producing the lead frame. The left side of the lower stamping die 3 is provided with a detection table 4, the stamped metal copper strips form a lead frame structure, and then the next step is carried out after passing through the upper side of the detection table 4, and cutting operation is carried out, so that a lead frame product is obtained. The detecting table 4 upside is equipped with rectangle shell 5, and rectangle shell 5 top is fixed with first rack 6, is equipped with link gear between first rack 6 and the last stamping die 2, installs the shot-light 7 in the rectangle shell 5, installs wide-angle camera 8 in the detecting table 4.
For the above examples, the person skilled in the art will appreciate that the transport of the metallic copper strip when implementing the solution described above is carried out by means of existing pushing mechanisms arranged at the sides of the punching press table 1.
As a technical optimization scheme of the utility model, the upper side of the punching machine table 1 is fixedly provided with the mounting seat 9, the mounting seat 9 is provided with the sinking groove corresponding to the detection table 4, the detection table 4 is fixedly arranged in the sinking groove, the upper side of the detection table 4 corresponds to the upper side of the lower punching die 3 in a flush manner, and the metal copper strip can be stably conveyed between the upper side of the detection table 4 and the upper side of the lower punching die 3.
As a technical optimization scheme of the utility model, the front side and the rear side of the mounting seat 9 are respectively and rotatably connected with a plurality of limiting wheels 10, the rotating shafts of the limiting wheels 10 are vertically upwards, and the limiting wheels 10 are equidistantly arranged. The gaps between the limiting wheels 10 positioned on the two sides are the same as the width of the metal copper strip.
For the above example, it should be understood by the worker skilled in the art that the mounting base 9 and the corresponding limiting wheels 10 and the inspection table 4 can be replaced when implementing the above technical solution, i.e. when replacing the metal copper strip specification, the matching mounting base 9 and the corresponding limiting wheels 10 and inspection table 4 are replaced.
As a technical optimization scheme of the utility model, the upside of the punching machine table 1 is fixedly provided with the inverted U-shaped frame body 11, the first rack 6 is in sliding connection with the inverted U-shaped frame body 11, and the inverted U-shaped frame body 11 plays a role in stabilizing the first rack 6.
As a technical optimization scheme of the utility model, the linkage mechanism comprises a second rack 12 which is vertically arranged, the second rack 12 is fixedly connected with the upper stamping die 2, and the second rack 12 can move along with the movement of the upper stamping die 2. The first rack 6 and the second rack 12 are arranged in parallel, a gear 13 is arranged between the first rack 6 and the second rack 12, and the first rack 6 and the second rack 12 are meshed and matched with the gear 13. Under the action of the gear 13, the first rack 6 and the second rack 12 move in opposite directions, namely, the upper stamping die 2 is driven to ascend when ascending, the first rack 6 descends under the action of the gear 13, the upper stamping die 2 is driven to descend when descending, and the first rack 6 ascends under the action of the gear 13.
For the above example, it should be appreciated by those skilled in the art that the second rack 12 is fixed to the mounting plate of the upper stamping die 2 and is detachably fixed when the above technical scheme is implemented, so that the mounting of the upper stamping die 2 is not affected.
As a technical optimization scheme of the utility model, a limiting frame 14 is fixed on the upper side of the punching machine table 1, the first rack 6 and the second rack 12 are both matched with the inside of the limiting frame 14 in a sliding manner, a gear 13 is rotationally connected with the side edge of the limiting frame 14, and the limiting frame 14 plays a role in stabilizing the first rack 6, the second rack 12 and the gear 13.
As a technical optimization scheme of the utility model, a rectangular opening corresponding to the scattering lamp 7 is arranged at the bottom of the rectangular shell 5, a rectangular transparent window 15 corresponding to the wide-angle camera 8 is arranged at the top of the detection table 4, the rectangular transparent window 15 is aligned with the rectangular opening, a sponge cushion 16 is fixedly arranged around the bottom edge of the rectangular shell 5, and the sponge cushion 16 fills a gap between the detection table 4 and the rectangular shell 5.
For the above example, the person skilled in the art will appreciate that the foam-rubber cushion 16 may be replaced by a rubber cushion when implementing the solution described above.
In the utility model, the working principle of the device is as follows:
When the lead frame is stamped and processed, the metal copper strips are continuously conveyed, stamping operation is carried out between the upper stamping die 2 and the lower stamping die 3, the upper stamping die 2 moves up and down to drive the second rack 12 to move up and down, at the moment, the upper stamping die 2 drives the second rack 12 to ascend when ascending, under the action of the gear 13, the first rack 6 descends, namely drives the rectangular shell 5 to descend, the rectangular shell 5 descends to match with the detection table 4 to clamp and position the stamped metal copper strips, namely clamp and position the lead frame, the problem of offset dislocation is effectively prevented, namely the problem of the dislocation is prevented from being carried up and separated by the upper stamping die 2, and a plurality of limiting wheels 10 on two sides effectively limit and position two sides of the metal copper strips. And then, when the upper stamping die 2 descends and stamps, the second rack 12 can be driven to descend, and under the action of the gear 13, the first rack 6 ascends to eliminate the clamping of the metal copper strip.
And in the process of the rectangular shell 5 descending, the metal copper strip just carries out effective conveying, and when the rectangular shell 5 descending is matched with the detection table 4 to carry out clamping, the metal copper strip conveying is suspended, and the suspension interval is convenient for the lower pressing and stamping of the upper stamping die 2. Meanwhile, when the rectangular shell 5 is matched with the detection table 4 to clamp, the sponge cushion 16 is in flexible contact with the metal copper strip, a dark condition is formed between the rectangular shell 5 and the detection table 4, light of the scattering lamp 7 on the rectangular shell 5 passes through the lead frame, the wide-angle camera 8 positioned inside the detection table 4 shoots, the shaded part is the shape of the lead frame, if the shape changes, the quality problem of the lead frame is indicated, at the moment, the lead frame can be effectively monitored, the detection effect is timely, and the problem can be found conveniently and rapidly.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a lead frame and processingequipment thereof, includes punching press platform (1) and sets up last stamping die (2) and lower stamping die (3) on punching press platform (1), its characterized in that, lower stamping die (3) left side is equipped with detects platform (4), detects platform (4) upside and is equipped with rectangle shell (5), rectangle shell (5) top is fixed with first rack (6), is equipped with link gear between first rack (6) and the last stamping die (2), and punching press platform (1) upside is fixed with mount pad (9), and the front and back side of mount pad (9) all rotates and is connected with a plurality of spacing wheels (10).
2. The lead frame and the processing device thereof according to claim 1, wherein the mounting seat (9) is provided with a sinking groove corresponding to the detection table (4), the detection table (4) is fixedly arranged in the sinking groove, and the upper side of the detection table (4) is flush with the upper side of the lower stamping die (3).
3. A lead frame and a processing device thereof according to claim 1, wherein the rotating shafts of the limiting wheels (10) are vertically upward, and the limiting wheels (10) are equidistantly arranged.
4. The lead frame and the processing device thereof according to claim 1, wherein the inverted U-shaped frame body (11) is fixed on the upper side of the punching machine table (1), and the first rack (6) is slidably connected with the inverted U-shaped frame body (11).
5. The lead frame and the processing device thereof according to claim 1, wherein the linkage mechanism comprises a second rack (12) which is vertically arranged, the second rack (12) is fixedly connected with the upper stamping die (2), the first rack (6) and the second rack (12) are arranged in parallel, a gear (13) is arranged between the first rack (6) and the second rack (12), and the first rack (6) and the second rack (12) are meshed and matched with the gear (13).
6. The lead frame and the processing device thereof according to claim 5, wherein a limiting frame (14) is fixed on the upper side of the punching machine table (1), the first rack (6) and the second rack (12) are both in sliding fit with the inside of the limiting frame (14), and the gear (13) is rotatably connected with the side edge of the limiting frame (14).
7. The lead frame and the processing device thereof according to claim 1, wherein a scattering lamp (7) is installed in the rectangular shell (5), a wide-angle camera (8) is installed in the detection table (4), a rectangular opening corresponding to the scattering lamp (7) is arranged at the bottom of the rectangular shell (5), a rectangular transparent window (15) corresponding to the wide-angle camera (8) is arranged at the top of the detection table (4), the rectangular transparent window (15) is aligned with the rectangular opening, and a sponge cushion (16) is fixedly arranged at the edge of the bottom of the rectangular shell (5) in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688686.5U CN220920581U (en) | 2023-10-08 | 2023-10-08 | Lead frame and processing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688686.5U CN220920581U (en) | 2023-10-08 | 2023-10-08 | Lead frame and processing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920581U true CN220920581U (en) | 2024-05-10 |
Family
ID=90965114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322688686.5U Active CN220920581U (en) | 2023-10-08 | 2023-10-08 | Lead frame and processing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920581U (en) |
-
2023
- 2023-10-08 CN CN202322688686.5U patent/CN220920581U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |