CN106767353A - Integrated circuit pin coplane degree detects and trims servicing unit - Google Patents
Integrated circuit pin coplane degree detects and trims servicing unit Download PDFInfo
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- CN106767353A CN106767353A CN201610994073.6A CN201610994073A CN106767353A CN 106767353 A CN106767353 A CN 106767353A CN 201610994073 A CN201610994073 A CN 201610994073A CN 106767353 A CN106767353 A CN 106767353A
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- Prior art keywords
- integrated circuit
- coplane degree
- circuit pin
- chip
- trimmed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Integrated circuit pin coplane degree detects and trims servicing unit, it is related to electronic product to assemble field, when solving the coplane degree inspection after existing integrated circuit pin shaping and trimming, there are problems that because limited sight causes detection difficulty big, inefficiency and easily to pin causes secondary stress, for being trimmed to 360 ° of coplane degree detections of integrated circuit pin and auxiliary, detection platform realizes 360 ° of rotations of horizontal direction relative to basic platform；Through hole is threaded on the crossbeam of arch cantilever shalving, is vertically moved and is passed through tapped through hole and rotation coaxial with detection platform with clamp system；The bottom fixed chip with clamp system is vertically moved, the upper surface of detection platform is optical mirror plane；Adjustment is vertically moved makes chip place with optical mirror plane with the height of clamp system, by the position to chip pin and its picture of corresponding pin, realizes that integrated circuit pin coplane degree is detected and trimmed.The present apparatus operates nimble, high working efficiency, can effectively improve integrated circuit forming quality.
Description
Technical field
The present invention relates to electronic product assembling field, and in particular to a kind of integrated circuit pin coplane degree is detected and trimmed auxiliary
Help device, it is adaptable to which coplane degree inspection and pin after the integrated circuit shaping of straight wire packing forms are trimmed.
Background technology
Under normal condition, the outlet form of the integrated circuit pin of surface encapsulation form is π shapes, so beneficial to pin and weldering
Disk matches and forms good welds.In recent years, increasing high-grade its pin of integrated circuit (space product is in the majority) goes out
Line form is straight wire, and straight wire outlet form cannot carry out cooperation welding with pad, it is therefore necessary to use corresponding technique hand
Section forms treatment to it, it is become π shape pins, and it is this that the pin after the coplane degree inspection of pin and shaping is trimmed
The key link of technical process, if dealing with improperly, will directly affect the welding quality of device.
Current pin coplanarity inspection and pin trim process and mainly trim mode with manual by visual observation, without any
Auxiliary mould, the major defect that this process meanses bring is：
First, the four direction inspection of device pin, need to be low by manual setting, operating efficiency, and may be to pin shape
Into secondary stress deformation.
2nd, standard requirement coplane degree is 0.1mm, and due to the limitation of visual angle, observation difficulty is larger, and is easily formed blind
Point.(3) chipless clamping mechanism during trimming, easily causes device body and moves in the horizontal direction during trimming, to repairing
Adjusting work makes troubles.For these reasons and current demand, a kind of inspection of integrated circuit pin coplane degree has been invented and has trimmed
Servicing unit.
The content of the invention
When the present invention is in order to solve the coplane degree inspection after existing integrated circuit pin shapes and trim, exist due to vision
It is limited the problems such as causing big detection difficulty, inefficiency and easily cause secondary stress to deform pin, there is provided Yi Zhongji
Servicing unit is detected and trimmed into circuit pin coplanarity.
Integrated circuit pin coplane degree detects and trims servicing unit, for 360 ° of coplane degree detections of integrated circuit pin
Trimmed with auxiliary, including arch cantilever shalving, basic platform, detection platform and vertically moved and clamp system, the arch cantilever
The bottom immobilizing foundation platform of frame, the basic platform upper surface is circular groove, and the detection platform passes through middle lead column
It is embedded in the center of circular groove；The detection platform is parallel relative to basic platform upper surface, the detection platform phase
360 ° of rotations of horizontal direction are realized for basic platform；
Through hole is threaded on the crossbeam of the arch cantilever shalving, described vertically moving passes through tapped through hole with clamp system
And rotation coaxial with detection platform；The bottom fixed chip with clamp system is vertically moved, the upper surface of the detection platform is
Optical mirror plane；Vertically moved described in adjustment makes chip place with optical mirror plane with the height of clamp system, draws by chip
The position of the picture of pin and its corresponding pin, realizes that integrated circuit pin coplane degree is detected and trimmed.
Beneficial effects of the present invention：
First, device of the present invention realizes that the rotation of 360 ° of chip level direction is checked, by observe each pin and its
The relative position of correspondence picture, can be very easy to judge the coplane degree situation of respective pins；
2nd, the present invention realizes the clamping to chip by vertically moving and clamp system, and coordinates 360 ° of rotating mechanisms,
Realization is trimmed to chip pin.
3rd, device of the present invention operates nimble, high working efficiency, can more importantly effectively improve integrated circuit
Forming quality, and then ensure welding quality.
Brief description of the drawings
Fig. 1 is integrated circuit pin coplane degree detection of the present invention and the overall structure signal for trimming servicing unit
Figure；
Fig. 2 is to be vertically moved and clamping during integrated circuit pin coplane degree of the present invention detects and trim servicing unit
Mechanism and the structural representation of arch cantilever shalving；
Fig. 3 is that detection platform structure is shown during integrated circuit pin coplane degree of the present invention is detected and trims servicing unit
It is intended to；
Fig. 4 is integrated circuit pin coplane degree detection of the present invention and the structure for trimming rotation nut in servicing unit
Schematic diagram；
Fig. 5 is that abutment sleeve structure is shown during integrated circuit pin coplane degree of the present invention is detected and trims servicing unit
It is intended to；
Fig. 6 is that integrated circuit pin coplane degree of the present invention detects and trim that the structure of threaded post in servicing unit is shown
It is intended to；
Fig. 7 is integrated circuit pin coplane degree detection of the present invention and trims servicing unit chips fixing lug boss
Structural representation；
In figure：1st, nut is rotated, 2, abutment sleeve, 3, detection platform, 4, basic platform, 5, threaded post, 6, arch cantilever,
7th, upper flange, 8, internal flange, 9, chip fixing lug boss.
Specific embodiment
Specific embodiment one, with reference to Fig. 1 to Fig. 7 illustrate present embodiment, integrated circuit pin coplane degree detect and repair
Servicing unit is adjusted, for being trimmed to 360 ° of coplane degree detections of integrated circuit pin and auxiliary, including arch cantilever shalving 6, basis are put down
Platform 4, detection platform 3 and vertically move and clamp system, the bottom immobilizing foundation platform 4 of the arch cantilever shalving 6, the basis
The upper surface of platform 4 is circular groove, and the detection platform 3 is embedded in the center of circular groove by middle lead column；Institute
State detection platform 3 parallel relative to the upper surface of basic platform 4, the detection platform 3 realizes horizontal direction relative to basic platform 4
360 ° of rotations；Through hole is threaded on the crossbeam of the arch cantilever shalving 6, described vertically moving is led to clamp system through screw thread
Hole and rotation coaxial with detection platform；Vertically move the bottom fixed chip with clamp system, the upper surface of the detection platform 3
It is optical mirror plane；Vertically moved described in adjustment makes in chip placement and optical mirror plane with the height of clamp system, by chip
The position of the picture of pin and its corresponding pin, realizes that integrated circuit pin coplane degree is detected and trimmed.
Described in present embodiment vertically move with clamp system include rotation nut 1, threaded post 5, abutment sleeve 2 and
Chip fixing lug boss 9, the threaded post 5 sequentially passes through rotation nut 1, tapped through hole and abutment sleeve 2, by upper flange
Rotation nut 1 is fixed on beam surface upper by 7, and the abutment sleeve 2 is fixed on crossbeam lower surface by internal flange 8, described
The bottom fixed chip fixing lug boss 9 of threaded post 5；When turn rotates nut 1, by threaded engagement, drive threaded post 5 upwards or
Move down, make the distance of its adjustment chip and optical mirror plane.
The top of chip fixing lug boss described in present embodiment 9 is spherical structure, and bulb is stretched through the bottom of the threaded post 5
Enter, and withstood on the groove of chip fixing lug boss symmetry through threaded post 5 using jackscrew, chip fixing lug boss 9 is fixed on spiral shell
The bottom of line post 5.
The abutment sleeve 2 is provided with through hole, after 5 height of threaded post is adjusted, screw thread is fixed through through hole by jackscrew
Post 5.
Detection platform 3 described in present embodiment is aluminum design, and optical mirror plane is inlayed in its upper surface, optical mirror plane
Edge is pitted skin structure, and optical mirror plane size is corresponding to detection platform size.By each pin and its correspondence for observing chip
The relative position of picture, can be very easy to judge the coplane degree situation of respective pins.
Abutment sleeve 2, detection platform 3 described in present embodiment, basic platform 4, upper flange 7, internal flange 8, core
The material of piece fixing lug boss 9 and arch cantilever shalving is aluminum alloy materials (H12).Described rotation nut 1 and the material of threaded post 5
Expect to be brass material.The lower surface bonds polytetrafluoroethylmaterial material of the chip fixing lug boss 9.
Integrated circuit pin coplane degree described in present embodiment is detected and trims servicing unit, for drawing to integrated circuit
After line shaping, it is placed in detection platform 3 by vacuum WAND, rotates the outward flange of detection platform 3 by hand, makes detection platform
3 360 ° of rotations in the horizontal direction, depending on actual demand, in the process, sem observation core is amplified in visual or use to rotary speed
Whether in one plane the contact position situation of piece each pin picture corresponding thereto judge integrated circuit pin.When depositing
When coplane degree is bad or chip pin has crooked in the horizontal direction, pin is adjusted using special electrostatic-resisting tweezers
It is whole, and moment observation contact situation of the chip pin with its picture, in order to ensure being in course of adjustment, it is unlikely to cause chip in water
Square to produce movement, influence trim effect, can tune rotation nut 1, adjust threaded post 5 height, by chip fixing lug boss 9
Be in contact (chip fixing lug boss bottom is stained with polytetrafluoroethylmaterial material, it is to avoid boss is rigidly connected with chip) with chip body,
Chip is fixed in vertical direction.
Claims (8)
1. integrated circuit pin coplane degree detects and trims servicing unit, for 360 ° of coplane degrees detections of integrated circuit pin and
Auxiliary is trimmed, including arch cantilever shalving (6), basic platform (4), detection platform (3) and is vertically moved and clamp system, its feature
It is；
Bottom immobilizing foundation platform (4) of the arch cantilever shalving (6), basic platform (4) upper surface is circular groove, institute
State the center that detection platform (3) is embedded in circular groove by middle lead column；The detection platform (3) is relative to basis
Platform (4) upper surface is parallel, and the detection platform (3) realizes 360 ° of rotations of horizontal direction relative to basic platform (4)；
Through hole is threaded on the crossbeam of the arch cantilever shalving (6), described vertically moving passes through tapped through hole with clamp system；
The bottom fixed chip with clamp system is vertically moved, the upper surface of the detection platform (3) is optical mirror plane；Adjustment is described to hang down
The dynamic height with clamp system of translation makes chip place with optical mirror plane, and chip rotation coaxial with detection platform (3) is led to
The position of the picture to chip pin and its corresponding pin is crossed, realizes that integrated circuit pin coplane degree is detected and trimmed.
2. integrated circuit pin coplane degree according to claim 1 inspection and servicing unit is trimmed, it is characterised in that described
Vertically move includes rotation nut (1), threaded post (5), abutment sleeve (2) and chip fixing lug boss (9) with clamp system, described
Threaded post (5) sequentially passes through rotation nut (1), tapped through hole and abutment sleeve (2), and spiral shell will be rotated by upper flange (7)
Female (1) is fixed on beam surface upper, and the abutment sleeve (2) is fixed on crossbeam lower surface, the screw thread by internal flange (8)
Post (5) bottom fixed chip fixing lug boss (3)；
When turn rotates nut (1), by threaded engagement, drive threaded post (5) to move up or down, make its adjustment chip
With the distance of optical mirror plane.
3. integrated circuit pin coplane degree according to claim 2 inspection and servicing unit is trimmed, it is characterised in that described
The top of chip fixing lug boss (3) is spherical structure, and bulb is stretched into through the threaded post (5) bottom, and is symmetrically worn using jackscrew
Cross threaded post (5) to withstand on the groove of chip fixing lug boss, chip fixing lug boss (3) is fixed on threaded post (5) bottom.
4. integrated circuit pin coplane degree according to claim 2 inspection and servicing unit is trimmed, it is characterised in that described
Abutment sleeve (2) is provided with through hole, after threaded post (5) height is adjusted, threaded post (5) is fixed through through hole by jackscrew.
5. integrated circuit pin coplane degree according to claim 2 inspection and servicing unit is trimmed, it is characterised in that described
Abutment sleeve (2), detection platform (3), basic platform (4), upper flange (7), internal flange (8) and chip fixing lug boss (9)
And the material of arch cantilever shalving (6) is aluminum alloy materials.
6. integrated circuit pin coplane degree according to claim 2 inspection and servicing unit is trimmed, it is characterised in that described
The material of rotation nut (1) and threaded post (5) is brass.
7. integrated circuit pin coplane degree according to claim 2 inspection and servicing unit is trimmed, it is characterised in that described
Chip fixing lug boss (9) lower surface bonds polytetrafluoroethylmaterial material.
8. integrated circuit pin coplane degree according to claim 1 inspection and servicing unit is trimmed, it is characterised in that described
The edge of optical mirror plane is pitted skin structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994073.6A CN106767353A (en) | 2016-11-11 | 2016-11-11 | Integrated circuit pin coplane degree detects and trims servicing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994073.6A CN106767353A (en) | 2016-11-11 | 2016-11-11 | Integrated circuit pin coplane degree detects and trims servicing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106767353A true CN106767353A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610994073.6A Pending CN106767353A (en) | 2016-11-11 | 2016-11-11 | Integrated circuit pin coplane degree detects and trims servicing unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179033A (en) * | 2017-06-02 | 2017-09-19 | 成都智明达电子股份有限公司 | A kind of bad shaping universal fixturing of coplane degree |
| CN111595230A (en) * | 2020-06-19 | 2020-08-28 | 高汝琪 | Sampling detection device for production and processing of metal rings |
| CN114279371A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院长春光学精密机械与物理研究所 | Method and device for measuring coplanarity of chip pins |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204881517U (en) * | 2015-07-30 | 2015-12-16 | 常州银河世纪微电子有限公司 | Detection frock of SMD electronic component coplanarity |
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2016
- 2016-11-11 CN CN201610994073.6A patent/CN106767353A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204881517U (en) * | 2015-07-30 | 2015-12-16 | 常州银河世纪微电子有限公司 | Detection frock of SMD electronic component coplanarity |
Non-Patent Citations (2)
| Title |
|---|
| 夏西泉: "《电子工艺实训教程》", 31 March 2005, 机械工业出版社 * |
| 王玉龙 等: "密脚间距QFP集成电路引线成形工艺研究", 《电子工艺技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179033A (en) * | 2017-06-02 | 2017-09-19 | 成都智明达电子股份有限公司 | A kind of bad shaping universal fixturing of coplane degree |
| CN111595230A (en) * | 2020-06-19 | 2020-08-28 | 高汝琪 | Sampling detection device for production and processing of metal rings |
| CN114279371A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院长春光学精密机械与物理研究所 | Method and device for measuring coplanarity of chip pins |
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Application publication date: 20170531 |