CN216487995U - Deformation correction jig for lead frame - Google Patents
Deformation correction jig for lead frame Download PDFInfo
- Publication number
- CN216487995U CN216487995U CN202123319373.XU CN202123319373U CN216487995U CN 216487995 U CN216487995 U CN 216487995U CN 202123319373 U CN202123319373 U CN 202123319373U CN 216487995 U CN216487995 U CN 216487995U
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- China
- Prior art keywords
- base
- guide wheel
- connecting piece
- sliding
- groove
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- 238000012937 correction Methods 0.000 title claims abstract description 40
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Lead Frames For Integrated Circuits (AREA)
Abstract
The utility model provides a deformation correction jig of a lead frame, which comprises a base and at least two correction components, wherein the two correction components are oppositely arranged at two sides of the base, and the distance between the two correction components is adjustable; the correcting component comprises a connecting piece, a guide wheel, a limiting washer and a nut, the nut is connected with the connecting piece through threads, the guide wheel is detachably connected to the base through the connecting piece and the nut, the limiting washer is connected between the guide wheel and the base, a preset distance is reserved between the guide wheel and the top surface of the base, the guide wheel can rotate around the connecting piece, grooves are formed in the peripheral wall of the guide wheel, the grooves extend along the circumferential direction of the guide wheel, and the heights of the two grooves are equal in the vertical direction. The utility model has the advantages of simple structure, convenient operation, compatible strong, can effectively improve the lead frame deflection.
Description
Technical Field
The utility model relates to a supplementary production facility field of lead frame specifically is a deformation correction tool that relates to a lead frame.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires) to form an electrical circuit, plays a role of a bridge connected with an external lead, needs to be used in most semiconductor integrated blocks and is an important basic material in the electronic information industry. With the development of large-scale integrated circuits and very large-scale integrated circuits, the integrated circuits are developing towards high integration, multiple functionalization, high circuit densification, diversification of packaging and high performance, and the requirements on lead frame materials will be higher and higher.
The lead frame production process generally comprises three steps of stamping, electroplating and slicing, and the lead frame often has deformation problems, such as transverse bending deformation, namely that the middle part of the lead frame is arched upwards or downwards. The deformed lead frame is scrapped due to the out-of-dimension, which causes material waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can effectively restore and improve the product and warp, reduce the lead frame and lead to the condemned deformation correction tool of product because of warping the lead frame.
In order to achieve the above object, the utility model provides a deformation correction jig of lead frame, including base and at least two correction subassemblies, two correction subassemblies are set up in the both sides of base relatively, and the distance between two correction subassemblies is adjustable; the correcting component comprises a connecting piece, a guide wheel, a limiting washer and a nut, the nut is connected with the connecting piece through threads, the guide wheel is detachably connected to the base through the connecting piece and the nut, the limiting washer is connected between the guide wheel and the base, a preset distance is reserved between the guide wheel and the top surface of the base, the guide wheel can rotate around the connecting piece, grooves are formed in the peripheral wall of the guide wheel, the grooves extend along the circumferential direction of the guide wheel, and the heights of the two grooves are equal in the vertical direction.
According to the scheme, before correction and repair, the distance between the two correction assemblies is adjusted according to the deformation of the product, so that the distance between the two correction assemblies is slightly smaller than the width of the product, and the embodiment can adapt to deformation correction of lead frames with different width sizes; the two guide wheels are arranged, the peripheral walls of the guide wheels are provided with grooves, two sides of the lead frame are respectively embedded into the corresponding grooves and longitudinally move to penetrate through the two guide wheels, and in the moving process, the lead frame is controlled to deform in the opposite direction, if the middle part of the lead frame is arched upwards, the middle part of the lead frame is adjusted to be arched downwards, so that the deformation of the lead frame is changed, and the flat state is achieved. The utility model has the advantages of simple structure, convenient operation, can effectively rectify, improve the lead frame deflection.
In a further scheme, the groove is a V-shaped groove.
The further scheme is that the base is provided with two sliding holes in a penetrating manner, the two sliding holes are correspondingly arranged on two transverse sides of the base and extend along the transverse direction, and the connecting piece is inserted in the sliding holes and can move along the extending direction of the sliding holes.
The further scheme is that two sliding chutes are further formed in the bottom wall of the base, the sliding chutes and the sliding holes are correspondingly arranged and communicated, the width of each sliding chute is larger than that of each sliding hole, the length of each sliding chute is larger than that of each sliding hole, and the nuts are arranged in the sliding chutes.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of the base in the embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and fig. 2, the deformation correction jig for a lead frame provided in this embodiment includes a base 1 and two correction assemblies, the base 1 is set to be an inverted "U" shaped structure, the base 1 is made of an acrylic material, the base 1 extends in a longitudinal direction, the two correction assemblies are oppositely disposed on two lateral sides of the base 1, and a distance between the two correction assemblies is adjustable to be compatible with lead frames 6 with different widths. The distance between the two correction assemblies is slightly smaller than the width of the lead frame 6 to be corrected, and the lead frame 6 to be corrected passes through the two correction assemblies to realize deformation correction.
The correction assembly comprises a connecting piece 2, a guide wheel 3, a limit washer 4 and a nut 5. Connecting piece 2 and 5 threaded connection of nut, leading wheel 3 passes through connecting piece 2 and 5 detachably connection of nut on base 1, and 4 covers of spacing packing ring are established at connecting piece 2 middle parts, and spacing packing ring 4 is connected between leading wheel 3 and base 1 for bearing leading wheel 3, make leading wheel 3 to have the distance of predetermineeing between the top surface of base 1, prevent to warp the alignment process, lead frame 6 and 1 surface contact of base, prevent to scrape colored lead frame 6 surface. Leading wheel 3 and 2 clearance fit of connecting piece for leading wheel 3 can be rotatory around connecting piece 2, has seted up recess 31 on the periphery wall of leading wheel 3, and recess 31 extends along the circumference of leading wheel 3, and in vertical direction, the recess 31 place height of leading wheel 3 on both sides equals. The groove 31 is set to be a V-shaped groove, and two sides of the lead frame 6 are embedded into the groove 31, so that the lead frame 6 and the guide wheel 3 are prevented from being shifted.
Specifically, the base 1 is provided with two sliding holes 11 and two sliding grooves 12, the two sliding holes 11 are correspondingly arranged on two lateral sides of the base 1, the sliding blocks are waist-shaped circular holes, and the length direction of the sliding holes 11 extends along the lateral direction. The sliding holes 11 are in one-to-one correspondence with the sliding grooves 12 and are communicated with each other, the width of each sliding groove 12 is larger than that of each sliding hole 11, and the length of each sliding groove 12 is larger than that of each sliding hole 11.
The connecting piece 2 can be a bolt, the connecting piece 2 comprises a connector and a connecting rod, the guide wheel 3 and the limiting washer 4 are sleeved on the connecting rod, the connector is located above the guide wheel 3, and the lower portion of the connecting rod penetrates through the sliding hole 11 and is inserted into the sliding groove 12. Nut 5 and connecting rod threaded connection, and nut 5 sets up in spout 12, and the roof of nut 5 and the tank bottom butt of spout 12.
In other embodiments, for a lead frame having a longer length, a plurality of correction assemblies may be disposed on the base, the plurality of correction assemblies being divided into two rows, each row being disposed in a longitudinal arrangement. In the same row, a connecting block is arranged between every two adjacent correction assemblies and extends along the longitudinal direction. But two adjacent correction subassemblies of quick adjustment are along longitudinal arrangement through setting up the connecting block, and the interval between all correction subassemblies on convenient quick adjustment both sides equals.
In summary, the distance between the two correction assemblies is adjusted according to the deformation of the product before correction and repair, so that the distance between the two correction assemblies is slightly smaller than the width of the product, and the embodiment can adapt to lead frames with different width sizes for deformation correction; the two guide wheels are arranged, the peripheral walls of the guide wheels are provided with grooves, two sides of the lead frame are respectively embedded into the corresponding grooves and longitudinally move to penetrate through the two guide wheels, and in the moving process, the lead frame is controlled to deform in the opposite direction, if the middle part of the lead frame is arched upwards, the middle part of the lead frame is adjusted to be arched downwards, so that the deformation of the lead frame is changed, and the flat state is achieved. The utility model has the advantages of simple structure, convenient operation, can effectively rectify, improve the lead frame deflection.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (4)
1. The utility model provides a deformation correction tool of lead frame which characterized in that: the device comprises a base and at least two correction assemblies, wherein the two correction assemblies are oppositely arranged on two sides of the base, and the distance between the two correction assemblies is adjustable;
the correcting component comprises a connecting piece, a guide wheel, a limiting washer and a nut, the nut is in threaded connection with the connecting piece, the guide wheel passes through the connecting piece and the nut is detachably connected on the base, the limiting washer is connected between the guide wheel and the base, the guide wheel arrives a preset distance is arranged between the top surface of the base, the guide wheel can wind the connecting piece is rotated, a groove is formed in the peripheral wall of the guide wheel, the groove is formed in the circumferential wall of the guide wheel, the circumferential direction of the guide wheel extends, and in the vertical direction, the height of the groove is equal to that of the groove.
2. The deformation correction jig according to claim 1, characterized in that:
the groove is a V-shaped groove.
3. The deformation correction jig according to claim 1, characterized in that:
the base is provided with two sliding holes in a penetrating mode, the two sliding holes are correspondingly arranged on two transverse sides of the base and extend along the transverse direction, and the connecting piece is inserted into the sliding holes and can move along the extending direction of the sliding holes.
4. The deformation correction jig according to claim 3, characterized in that:
the bottom wall of the base is further provided with two sliding grooves, the sliding grooves and the sliding holes are correspondingly arranged and communicated, the width of each sliding groove is larger than that of each sliding hole, the length of each sliding groove is larger than that of each sliding hole, and the nuts are arranged in the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319373.XU CN216487995U (en) | 2021-12-24 | 2021-12-24 | Deformation correction jig for lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319373.XU CN216487995U (en) | 2021-12-24 | 2021-12-24 | Deformation correction jig for lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487995U true CN216487995U (en) | 2022-05-10 |
Family
ID=81428073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123319373.XU Active CN216487995U (en) | 2021-12-24 | 2021-12-24 | Deformation correction jig for lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216487995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117684234A (en) * | 2023-11-21 | 2024-03-12 | 珠海全润科技有限公司 | Positioning adjusting device and positioning adjusting method for electroplating mold |
-
2021
- 2021-12-24 CN CN202123319373.XU patent/CN216487995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117684234A (en) * | 2023-11-21 | 2024-03-12 | 珠海全润科技有限公司 | Positioning adjusting device and positioning adjusting method for electroplating mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: Zhuhai Quanrun Technology Co.,Ltd. Contract record no.: X2023980044678 Denomination of utility model: A deformation correction fixture for lead frame Granted publication date: 20220510 License type: Exclusive License Record date: 20231026 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A deformation correction fixture for lead frame Effective date of registration: 20231030 Granted publication date: 20220510 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: Zhuhai Quanrun Technology Co.,Ltd. Registration number: Y2023980063342 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |