CN116705624A - Correction method for solving poor pins of LQPF frame - Google Patents
Correction method for solving poor pins of LQPF frame Download PDFInfo
- Publication number
- CN116705624A CN116705624A CN202310800894.1A CN202310800894A CN116705624A CN 116705624 A CN116705624 A CN 116705624A CN 202310800894 A CN202310800894 A CN 202310800894A CN 116705624 A CN116705624 A CN 116705624A
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- lqpf
- frame
- groove
- pins
- handle
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003756 stirring Methods 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000007547 defect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
- H01L21/4842—Mechanical treatment, e.g. punching, cutting, deforming, cold welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention relates to the technical field of pin correction, in particular to a correction method for solving the problem of poor pins of an LQPF frame, which comprises a base plate, wherein the base plate is used for placing the LQPF frame, pins are fixed on the surface of the LQPF frame, a mounting frame is fixed on the surface of the base plate, an adjusting screw is screwed on the surface of the mounting frame, a clamping plate is rotationally connected to the bottom end of the adjusting screw, the clamping plate clamps the LQPF frame, a handle is inserted into the side wall of the base plate, and a correction pipe is fixed on the surface of the handle; the beneficial effects are as follows: according to the correction method for solving the problem of poor pins of the LQPF frame, the LQPF frame is clamped between the clamping plate and the backing plate, after limiting placement of the LQPF frame is achieved, the LQPF frame is sleeved on deformed pins by means of correction pipes, and the correction pipes are shifted to correct the deformed pins.
Description
Technical Field
The invention relates to the technical field of pin correction, in particular to a correction method for solving the problem of poor pins of an LQPF frame.
Background
The LQPF framework is a quad flat pack technique (Quad Flat Package) that achieves a small distance between CPU chip pins and a very thin pin. Typically, large-scale or very large-scale integrated circuits employ such packages, and the pin count is typically greater than 100. The technology is convenient to operate and high in reliability when packaging the CPU; the package has smaller external dimension and reduced parasitic parameters, and is suitable for high-frequency application; the technology is mainly suitable for mounting wiring on a PCB by using an SMT surface mount technology.
In the prior art, the pins of the LQPF frame have the deformation problem, and the deformed pins are stirred and corrected by bare hands generally, but because the arrangement density of the pins of the LQPF frame is high, when fingers extend between two pins, the pins beside the LQPF frame are easy to push and tilt to deform, namely, in the process of correcting the deformed pins, new pin deformation is generated.
Disclosure of Invention
The invention aims to provide a correction method for solving the problem of poor pins of an LQPF frame, so as to solve the problem in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the correction method for solving the problem of poor pins of the LQPF frame comprises a base plate, wherein the base plate is used for placing the LQPF frame, pins are fixed on the surface of the LQPF frame, a mounting frame is fixed on the surface of the base plate, an adjusting screw is screwed on the surface of the mounting frame, a clamping plate is rotatably connected to the bottom end of the adjusting screw, the clamping plate clamps the LQPF frame, a handle is inserted into the side wall of the base plate, and a correction pipe is fixed on the surface of the handle; the correction method comprises the following steps:
after pushing the LQPF frame between the base plate and the clamping plate, screwing the adjusting screw to push the clamping plate to clamp the LQPF frame;
pulling the handle away from the side wall of the backing plate;
the pipe orifice of the correction pipe is sleeved on the pin to be corrected, and the deformed pin is corrected by stirring the correction pipe.
Preferably, the pins face upward when the LQPF frame is pushed between the backing plate and the clamping plate.
Preferably, the surface of backing plate has been seted up the mounting groove, and the mounting groove is "U" word shape groove, and the preformed hole has been seted up to the bottom surface of mounting groove, and the mounting groove is equipped with two sets of, and two sets of mounting grooves are symmetrical and symmetrical about the top surface of backing plate.
Preferably, the mounting frame is of a -shaped platy structure, two parallel side plates of the mounting frame are fixed on the surface of the base plate, a through hole is formed in the top plate of the mounting frame, a wire sleeve is fixed on the top plate of the mounting frame, an adjusting screw penetrates through the wire sleeve and is in threaded connection with the wire sleeve, and the adjusting screw penetrates through the through hole.
Preferably, the top end of the adjusting screw is fixed with a screwing handle, the surface of the screwing handle is provided with finger grooves which are U-shaped grooves, and a plurality of finger grooves are formed.
Preferably, the bottom end of the adjusting screw is fixed with a rotating handle which is in the shape of an I "
The font cylinder rotates the handle and rotates to connect in spacing groove, and spacing groove is seted up on the surface of grip block.
Preferably, the bottom surface of grip block is fixed with the rubber gasket, and the top surface of grip block is fixed with spacing pterygoid lamina, and spacing pterygoid lamina is equipped with two, and two spacing pterygoid lamina are about spacing groove symmetric distribution.
Preferably, the side wall of the backing plate is provided with an assembling groove, the handle is movably inserted into the assembling groove, the width of the handle is larger than the depth of the assembling groove, the side wall of the backing plate is fixedly provided with a plurality of groups of elastic hoop sheets, the elastic hoop sheets are arc-shaped sheets, each group of elastic hoop sheets is provided with two, and the correcting tube is pushed into between the two elastic hoop sheets.
Compared with the prior art, the invention has the beneficial effects that:
according to the correction method for solving the problem of poor pins of the LQPF frame, the LQPF frame is clamped between the clamping plate and the backing plate, after limiting placement of the LQPF frame is achieved, the LQPF frame is sleeved on deformed pins by means of correction pipes, and the correction pipes are shifted to correct the deformed pins.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the semi-sectional structure of the present invention;
FIG. 3 is a schematic view of the bottom structure of the clamping plate of the present invention;
FIG. 4 is a schematic view of the connection structure of the handle and the correcting tube of the present invention;
FIG. 5 is a schematic view of the pad and mounting bracket of the present invention.
In the figure: a backing plate 1, an installation groove 2, a preformed hole 3, a mounting rack 4, a perforation 5, a silk sleeve 6,
The device comprises an adjusting screw rod 7, a screwing handle 8, a finger groove 9, a rotating handle 10, a limiting rotating groove 11, a clamping plate 12, a rubber gasket 13, a limiting wing plate 14, an LQPF frame 15, a pin 16, an assembling groove 17, a handle 18, a correcting tube 19 and an elastic hoop sheet 20.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1
Referring to fig. 1, 2 and 5, the present invention provides a technical solution: the utility model provides a solve correction method of LQPF frame pin bad, includes backing plate 1, and mounting groove 2 has been seted up on the surface of backing plate 1, and mounting groove 2 is "U" word shape groove, and preformed hole 3 has been seted up to the bottom surface of mounting groove 2, and mounting groove 2 is equipped with two sets of, and two sets of mounting grooves 2 are symmetrical distribution about the top surface of backing plate 1 for put LQPF frame 15, the fixed surface of LQPF frame 15 has pin 16, the fixed surface of backing plate 1 has mounting bracket 4, and the surface spiro union of mounting bracket 4 has adjusting screw 7, and adjusting screw 7's bottom rotates and is connected with grip block 12, and grip block 12 is to LQPF frame 15 centre gripping, and the lateral wall grafting of backing plate 1 has handle 18, and the fixed surface of handle 18 has correction pipe 19; the correction method comprises the following steps: after the LQPF frame 15 is pushed between the base plate 1 and the clamping plate 12, the adjusting screw 7 is screwed to push the clamping plate 12 to clamp the LQPF frame 15; pulling the handle 18 away from the side wall of the pad 1; the pipe orifice of the correction pipe 19 is sleeved on the pin to be corrected, and the deformed pin is corrected by stirring the correction pipe 19.
Example two
Referring to fig. 3, in order to achieve clamping and limiting of an LQPF frame 15 placed on a backing plate 1, a mounting frame 4 is in a -shaped plate structure, two parallel side plates of the mounting frame 4 are all fixed on the surface of the backing plate 1, a through hole 5 is formed in a top plate of the mounting frame 4, a wire sleeve 6 is fixed on the top plate of the mounting frame 4, an adjusting screw 7 penetrates through and is screwed with the wire sleeve 6, the adjusting screw 7 penetrates through the through hole 5, a screwing handle 8 is fixed at the top end of the adjusting screw 7, finger grooves 9 are formed in the surface of the screwing handle 8, the finger grooves 9 are U-shaped grooves, a plurality of finger grooves 9 are formed, a rotating handle 10 is fixed at the bottom end of the adjusting screw 7, the rotating handle 10 is in an I-shaped cylinder, the rotating handle 10 is rotationally connected in a limiting rotating groove 11, the limiting rotating groove 11 is formed in the surface of a clamping plate 12, a rubber gasket 13 is fixed on the bottom surface of the clamping plate 12, limiting wing plates 14 are fixed on the top surface of the clamping plate 12, two limiting wing plates 14 are symmetrically distributed about the limiting rotating groove 11;
the pin 16 of the LQPF frame 15 is upwards, then the LQPF frame 15 is pushed between the clamping plate 12 and the base plate 1, then a finger stretches into the finger groove 9, the adjusting screw 7 is screwed, the adjusting screw 7 is in threaded connection with the wire sleeve 6, the adjusting screw 7 is screwed downwards along the wire sleeve 6, in the process, the rotating handle 10 at the bottom end of the adjusting screw 7 rotates in the limiting rotating groove 11, and in the process that the rotating handle 10 descends synchronously with the adjusting screw 7, the screwing handle 8 pushes the clamping plate 12 downwards until the rubber gasket 13 is clamped between the LQPF frame 15 and the clamping plate 12, and at the moment, the LQPF frame 15 is clamped and limited and no deflection sideslip occurs.
Example III
Referring to fig. 4, on the basis of the second embodiment, in order to implement storage and limit of the correction pipe 19, an assembling groove 17 is formed in the side wall of the backing plate 1, a handle 18 is movably inserted into the assembling groove 17, the width of the handle 18 is larger than the depth of the assembling groove 17, a plurality of groups of elastic hoop sheets 20 are fixed on the side wall of the backing plate 1, the elastic hoop sheets 20 are arc-shaped sheets, two elastic hoop sheets 20 are arranged in each group, and the correction pipe 19 is pushed into between the two elastic hoop sheets 20;
the handle 18 is pinched by hand, the handle 18 is pulled out from the assembling groove 17, the handle 18 drives the correcting tube 19 to be pulled out from the two groups of elastic hoop sheets 20, the correcting tube 19 is sleeved on the deformed pins 16, the correcting tube 19 is slightly stirred to be sleeved on the pins 16, the deformed pins 16 are corrected, after the correcting tube 19 is practical, the handle 18 is pushed into the assembling groove 17, and at the moment, the correcting tube 19 is limited by the two groups of elastic hoop sheets 20.
In actual use, after the base plate 1 is swung on the tabletop, the base plate 1 is fixed on the tabletop by means of the screws penetrating through the reserved holes 3, then the pins 16 of the LQPF frame 15 are upwards, then the LQPF frame 15 is pushed between the clamping plate 12 and the base plate 1, then fingers extend into the finger grooves 9, the adjusting screw 7 is screwed with the wire sleeve 6, the adjusting screw 7 is screwed down along the wire sleeve 6, in the process, the rotating handle 10 at the bottom end of the adjusting screw 7 rotates in the limiting rotating groove 11, the rotating handle 10 follows the adjusting screw 7 to synchronously descend, the screwing handle 8 pushes the clamping plate 12 downwards until the rubber gasket 13 is clamped between the LQPF frame 15 and the clamping plate 12, at the moment, the LQPF frame 15 is clamped and limited, deflection sideslip does not occur, then the handle 18 is pinched, the handle 18 is pulled out of the assembling groove 17, the handle 18 drives the correcting tube 19 to be pulled out of the two groups of the elastic clamping plates 20, the correcting tube 19 is sleeved on the deformed pins 16, the correcting tube 19 is slightly pulled out of the pins 16, and the correcting tube 19 is slightly pulled into the two groups of the elastic clamping plates 19, and the correcting tube 19 is assembled into the two groups of the correcting tube 19, and the correcting tube 19 is deformed by the two groups of the elastic clamping plates 19.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents 。
Claims (8)
1. The utility model provides a solve correction method of LQPF frame pin defect, includes backing plate (1) for put LQPF frame (15), the surface mounting of LQPF frame (15) has pin (16), its characterized in that: the device is characterized in that a mounting frame (4) is fixed on the surface of the base plate (1), an adjusting screw (7) is connected to the surface of the mounting frame (4) in a threaded manner, a clamping plate (12) is connected to the bottom end of the adjusting screw (7) in a rotating manner, the clamping plate (12) clamps the LQPF frame (15), a handle (18) is inserted into the side wall of the base plate (1), and a correction pipe (19) is fixed on the surface of the handle (18); the correction method comprises the following steps:
after the LQPF frame (15) is pushed between the base plate (1) and the clamping plate (12), the adjusting screw (7) is screwed to push the clamping plate (12) to clamp the LQPF frame (15);
pulling the handle (18) away from the side wall of the backing plate (1);
the pipe orifice of the correcting pipe (19) is sleeved on the pin needing to be corrected, and the deformed pin is corrected by stirring the correcting pipe (19).
2. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: when the LQPF frame (15) is pushed between the backing plate (1) and the clamping plate (12), the pins (16) face upwards.
3. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: the surface of backing plate (1) has seted up mounting groove (2), and mounting groove (2) are "U" word shape groove, and preformed hole (3) have been seted up to the bottom surface of mounting groove (2), and mounting groove (2) are equipped with two sets of, and two sets of mounting groove (2) are symmetrical about the top surface symmetry of backing plate (1).
4. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: the mounting frame (4) is of a -shaped platy structure, two parallel side plates of the mounting frame (4) are fixed on the surface of the base plate (1), a through hole (5) is formed in the top plate of the mounting frame (4), a wire sleeve (6) is fixed on the top plate of the mounting frame (4), an adjusting screw (7) penetrates through the wire sleeve (6) in a threaded mode, and the adjusting screw (7) penetrates through the through hole (5).
5. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: the top of adjusting screw (7) is fixed with and screws up handle (8), screws up the surface of handle (8) and has seted up finger groove (9), and finger groove (9) are "U" word shape groove, and finger groove (9) are equipped with a plurality ofly.
6. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: the bottom end of the adjusting screw (7) is fixedly provided with a rotating handle (10), the rotating handle (10) is an I-shaped cylinder, the rotating handle (10) is rotationally connected in a limiting rotating groove (11), and the limiting rotating groove (11) is formed in the surface of the clamping plate (12).
7. The correction method for solving the problem of poor lead of the LQPF frame according to claim 6, wherein: the bottom surface of grip block (12) is fixed with rubber gasket (13), and the top surface of grip block (12) is fixed with spacing pterygoid lamina (14), and spacing pterygoid lamina (14) are equipped with two, and two spacing pterygoid lamina (14) are about spacing groove (11) symmetric distribution.
8. The correction method for solving the problem of poor pins of an LQPF frame according to claim 1, wherein: the side wall of backing plate (1) has been seted up and has been assembled groove (17), and handle (18) activity is pegged graft in assembling groove (17), and the width of handle (18) is greater than the depth of assembling groove (17), and the lateral wall of backing plate (1) is fixed with multiunit elasticity hoop piece (20), and elasticity hoop piece (20) are the convex piece, and every elasticity hoop piece (20) of group are equipped with two, and correction pipe (19) push in between two elasticity hoop pieces (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310800894.1A CN116705624A (en) | 2023-06-30 | 2023-06-30 | Correction method for solving poor pins of LQPF frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310800894.1A CN116705624A (en) | 2023-06-30 | 2023-06-30 | Correction method for solving poor pins of LQPF frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116705624A true CN116705624A (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310800894.1A Pending CN116705624A (en) | 2023-06-30 | 2023-06-30 | Correction method for solving poor pins of LQPF frame |
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| CN (1) | CN116705624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117259256A (en) * | 2023-11-23 | 2023-12-22 | 四川晶辉半导体有限公司 | Patch bridge pin detection orthopedic device |
-
2023
- 2023-06-30 CN CN202310800894.1A patent/CN116705624A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117259256A (en) * | 2023-11-23 | 2023-12-22 | 四川晶辉半导体有限公司 | Patch bridge pin detection orthopedic device |
| CN117259256B (en) * | 2023-11-23 | 2024-01-26 | 四川晶辉半导体有限公司 | Patch bridge pin detection orthopedic device |
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