CN110837038A - SOP packaging test fixture with inclined plate capable of being horizontally moved and pressed to limit position - Google Patents
SOP packaging test fixture with inclined plate capable of being horizontally moved and pressed to limit position Download PDFInfo
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- CN110837038A CN110837038A CN201911110311.2A CN201911110311A CN110837038A CN 110837038 A CN110837038 A CN 110837038A CN 201911110311 A CN201911110311 A CN 201911110311A CN 110837038 A CN110837038 A CN 110837038A
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- limiting
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- groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2896—Testing of IC packages; Test features related to IC packages
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
Abstract
The invention discloses an SOP (System on Package) packaging test fixture with an inclined plate capable of horizontally moving and pressing for limiting, wherein a limiting test device comprises a rectangular lower support plate and a pair of inclined limiting plates, wherein the rectangular lower support plate is elastically lifted and arranged on the lower side wall of a limiting test slot, and the inclined limiting plates are arranged in a bilaterally symmetrical mode and are arranged in an inclined mode; a pair of front and rear limiting units which are symmetrically arranged front and rear are arranged on the upper end surface of the lower supporting plate in a front and rear sliding manner; the distance between the pair of front and rear limiting units is adjustable; the upper part of the limiting test slot is provided with a pair of movable limiting units which are symmetrically arranged front and back; the pair of inclined limiting plates are respectively and rotatably arranged between the pair of moving limiting blocks on the left side and the pair of moving limiting blocks on the right side; the upper ends of the pair of inclined limiting plates are close to each other, and the lower ends of the pair of inclined limiting plates are far away from each other; the end surfaces of the pair of inclined limiting plates, which are close to each other, are provided with a placing groove; the placing groove is internally detachably provided with a testing block. The invention has simple structure, and the SOP package can be automatically positioned and tested, thereby being suitable for the SOP packages with different sizes.
Description
Technical Field
The invention relates to the field of integrated circuit packaging test, in particular to an SOP packaging test fixture for translational pressing and limiting of a tilting plate.
Background
SOP (Small Out-Line Package) is a very common form of component. In one of the surface mount packages, leads are led out from both sides of the package in the shape of gull-wing (L-shape). The material can be plastic and ceramic. Beginning at the end of the 70 s.
Because the SOP encapsulation has multiple sizes and pin quantity and distribution also are different, so SOP encapsulated test fixture's application scope will be very wide, so current hang plate translation presses spacing SOP encapsulation test fixture's structure complicacy and the operation difficulty, is unfavorable for the improvement of production efficiency like this.
Disclosure of Invention
The invention aims to provide an SOP packaging test fixture with a translation pressing limit inclined plate, aiming at the technical problems of the existing SOP packaging test fixture that the application range is enlarged, the structure is complex and the operation is difficult.
The technical scheme for solving the technical problems is as follows: a SOP packaging test fixture for limiting the translational pressing of an inclined plate comprises a rectangular frame and a limiting test device; a rectangular groove-shaped limiting test slot is formed in the frame; a cuboid discharge port which penetrates upwards is formed on the upper side wall of the limiting test slot; the limiting test device comprises a rectangular lower support plate and a pair of inclined limiting plates, wherein the rectangular lower support plate is elastically lifted and arranged on the lower side wall of the limiting test groove, and the inclined limiting plates are arranged in a bilaterally symmetrical mode and are arranged in an inclined mode; a pair of front and rear limiting units which are symmetrically arranged front and rear are arranged on the upper end surface of the lower supporting plate in a front and rear sliding manner; the distance between the pair of front and rear limiting units is adjustable; the upper part of the limiting test slot is provided with a pair of movable limiting units which are symmetrically arranged front and back; the movable limiting unit comprises a pair of movable limiting blocks which are arranged in a left-right moving mode; a pair of movable limiting blocks on the left side synchronously move in the same direction; the pair of movable limiting blocks on the right side synchronously move in the same direction; a pair of movable limiting blocks of the same movable limiting unit synchronously rotate in opposite directions; the pair of inclined limiting plates are respectively and rotatably arranged between the pair of moving limiting blocks on the left side and the pair of moving limiting blocks on the right side; the upper ends of the pair of inclined limiting plates are close to each other, and the lower ends of the pair of inclined limiting plates are far away from each other; the end surfaces of the pair of inclined limiting plates, which are close to each other, are provided with a placing groove; the placing groove is internally detachably provided with a test block; the end faces of the pair of test blocks, which are close to each other, are provided with a plurality of test strips which are uniformly distributed from front to back and are matched with the pins of the SOP package, and the test strips are arranged from top to bottom in the length direction.
Preferably, the lifting support block is formed at the center of the lower side wall of the frame; a plurality of lower lifting grooves in the shape of cylindrical grooves which are uniformly distributed in the front and at the back are formed in the lifting supporting block; an upward lifting groove in the shape of a cylindrical groove which penetrates upwards is formed in the center of the upper side wall of the lower lifting groove; a plurality of ascending and descending columns matched with the ascending and descending grooves are formed on the lower end surface of the lower supporting plate; the lower end of the upper lifting column is formed with an upper lifting block matched with the lower lifting groove; a pressure spring is arranged at the lower part of the lower lifting groove; the upper end of the pressure spring is fixed on the lower end surface of the upper lifting block, and the lower end of the pressure spring is fixed on the lower side wall of the lower lifting groove.
Preferably, the number of the upper and lower columns is at least two.
Preferably, a rectangular groove-shaped central adjusting groove is formed in the middle of the lower supporting plate; the front and rear parts of the upper end surface of the lower supporting plate are respectively formed with a rectangular groove-shaped front-back moving groove; a front threaded rod and a rear threaded rod are pivoted between the side walls far away from the pair of front-rear moving grooves; the middle parts of the front and rear threaded rods are positioned in the central adjusting groove and are fixed with worm gears; a worm is pivoted between the right parts of the upper and lower side walls of the central adjusting groove; the worm is meshed with the worm wheel; the front part and the rear part of the front threaded rod and the rear threaded rod which are positioned in the pair of front-back moving grooves are respectively provided with an external thread part with opposite rotation directions; the front and rear limiting unit includes a movable supporting plate; a movable guide block matched with the front-back moving groove is formed on the lower end surface of the movable supporting plate; the movable guide blocks of the pair of movable supporting plates are respectively screwed on different external threads of the front threaded rod and the rear threaded rod; a pair of front and rear guide rods are respectively arranged on the pair of movable supporting plates in a front and rear penetrating way; front and rear limiting plates are respectively formed at the ends close to the front and rear pairs of front and rear guide rods, and front and rear limiting plates are respectively formed at the ends far away from the front and rear pairs of front and rear guide rods; one end of the front and the back guide rods, which is far away from the front and the back guide rods, is sleeved with a tension spring; one ends of the front and rear pairs of tension springs close to the front and rear limiting plates are respectively fixed on the end surfaces of the pair of movable supporting plates far away from the front and rear limiting plates; the center of the upper end surface of the lower supporting plate is pivoted with a cylindrical front and rear limiting driving block which is arranged in a sinking way; the front and back limit driving block is fixed at the upper end of the rotating central shaft of the worm.
Preferably, the upper end surface of the limit driving block is formed with a cross-shaped limit driving groove.
Preferably, a left driving threaded rod and a right driving threaded rod are respectively pivoted between the upper parts of the front end and the rear end of the left side wall and the upper part of the rear end of the right side wall of the limiting test slot; the left and right parts of the left and right driving threaded rods are formed with external thread parts with opposite rotation; a pair of left and right driving motors is fixed on the left side wall of the limiting test slot; the left end of the left and right driving threaded rod is fixed at the right end of an output shaft of the left and right driving motor; a pair of movable limiting blocks of the same movable limiting unit are in threaded connection with different external thread parts of the left and right driving threaded rods.
Preferably, the rotary adjusting column is formed in the middle of the front end face and the rear end face of the inclined limiting plate; the rotary adjusting column is pivoted on the movable limiting block on the corresponding side; the rear end of the rear rotary adjusting column exceeds the rear movable limiting block and is fixed with a rotary limiting plate; the rotary limiting plate is screwed with a pair of rotary limiting bolts; the front ends of the pair of rotation limiting bolts penetrate through the rotation limiting plates and abut against the rear end faces of the movement limiting blocks on the rear sides of the columns; and adjusting windows which are used for adjusting the inclination angle of the inclined limiting plate and penetrate forwards and backwards are formed at the left end and the right end of the rear side wall of the limiting test groove respectively.
Preferably, the pair of movement stoppers on the front side and the pair of movement stoppers on the rear side are located on the front side and the rear side of the lower support plate.
Preferably, the test block has a plurality of sizes; the number and distribution of test strips varies for different sizes of test probe modules.
The invention has the beneficial effects that: the structure is simple, and the SOP package is automatically positioned and tested, so that the SOP package testing device is suitable for SOP packages of different sizes.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 is a schematic structural view of a cross section A-A of FIG. 1 according to the present invention.
In the figure, 10, the frame; 100. a discharging port; 101. limiting the test slot; 102. adjusting the window; 11. lifting the supporting block; 110. a lower lifting groove; 111. an upper lifting groove; 20. a limit testing device; 21. a lower support plate; 210. a central adjustment groove; 2100. moving the slot forward and backward; 211. lifting the column; 212. an upper lifting block; 22. a front threaded rod and a rear threaded rod; 221. a worm gear; 23. a worm; 231. a front and rear limit driving block; 2310. a limiting driving groove; 24. a pressure spring; 25. moving the support plate; 251. front and rear limit plates; 252. front and rear guide rods; 253. a front and rear limiting plate; 254. a tension spring; 26. inclining the limiting plate; 261. a test block; 262. rotating the limiting plate; 263. rotating the limit bolt; 27. moving the limiting block; 28. the threaded rod is driven left and right.
Detailed Description
As shown in fig. 1 and 2, an SOP package test fixture with a tilted plate horizontally pressed against a limit comprises a rectangular frame 10 and a limit test device 20; a rectangular groove-shaped limiting test slot 101 is formed in the frame 10; a cuboid discharge port 100 which penetrates upwards is formed on the upper side wall of the limiting test slot 101; the limiting test device 20 comprises a rectangular lower support plate 21 which is elastically lifted and arranged on the lower side wall of the limiting test slot 101 and a pair of inclined limiting plates 26 which are arranged in a bilaterally symmetrical mode and are arranged obliquely; a pair of front and rear limiting units which are symmetrically arranged in front and rear are arranged on the upper end surface of the lower supporting plate 21 in a front and rear sliding manner; the distance between the pair of front and rear limiting units is adjustable; the upper part of the limiting test slot 101 is provided with a pair of movable limiting units which are symmetrically arranged front and back; the movable limiting unit comprises a pair of movable limiting blocks 27 which are arranged in a left-right movement mode; the left pair of movable limiting blocks 27 synchronously move in the same direction; the pair of moving limiting blocks 27 on the right side synchronously move in the same direction; a pair of movable limit blocks 27 of the same movable limit unit synchronously rotate reversely; the pair of tilt limit plates 26 are rotatably provided between the pair of movement stoppers 27 on the left side and between the pair of movement stoppers 27 on the right side, respectively; the upper ends of the pair of inclined limit plates 26 are close to each other, and the lower ends thereof are far away; the end surfaces of the pair of inclined limiting plates 26 close to each other are provided with a placing groove; the placing groove is internally detachably provided with a test block 261; a plurality of test strips which are uniformly distributed from front to back and matched with pins of the SOP package are arranged on the end surfaces of the pair of test blocks 261, and the length directions of the test strips are arranged from top to bottom.
As shown in fig. 1, a lifting support block 11 is formed at the center of the lower sidewall of the frame 10; a plurality of lower lifting grooves 110 which are uniformly distributed in the front and at the back are formed in the lifting supporting block 11; an upward lifting groove 111 in the shape of a cylindrical groove which penetrates upwards is formed in the center of the upper side wall of the lower lifting groove 110; a plurality of upper lifting columns 211 matched with the upper lifting grooves 111 are formed on the lower end surface of the lower supporting plate 21; an upper lifting block 212 matched with the lower lifting groove 110 is formed at the lower end of the upper lifting column 211; the lower part of the lower lifting groove 110 is provided with a pressure spring 24; the upper end of the pressure spring 24 is fixed on the lower end surface of the ascending and descending block 212, and the lower end is fixed on the lower side wall of the lower ascending and descending groove 110.
The number of the upper lifting columns 211 is at least two.
As shown in fig. 1 and 2, a central adjusting groove 210 in the shape of a rectangular parallelepiped groove is formed in the middle of the lower support plate 21; front and rear parts of the upper end surface of the lower support plate 21 are respectively formed with a front and rear moving groove 2100 in the shape of a rectangular groove; a front and a rear threaded rods 22 are pivoted between the far side walls of the pair of front and rear moving grooves 2100; the middle part of the front and rear threaded rods 22 is positioned in the central adjusting groove 210 and is fixed with a worm gear 221; a worm 23 is pivoted between the right parts of the upper and lower side walls of the central adjusting groove 210; the worm 23 is meshed with the worm wheel 221; the front and rear portions of the front and rear threaded rods 22 in the pair of front and rear moving grooves 2100 are formed with male screw portions having opposite directions of rotation, respectively; the front-rear restriction unit includes a movement support plate 25; a moving guide block matched with the front-rear moving groove 2100 is formed on the lower end surface of the moving support plate 25; the movable guide blocks of the pair of movable support plates 25 are respectively screwed on different external threads of the front and rear threaded rods 22; a pair of front and rear guide rods 252 are respectively arranged on the pair of movable supporting plates 25 in a front and rear penetrating manner; front and rear limiting plates 251 are respectively formed at the ends close to the front and rear pairs of front and rear guide rods 252, and front and rear limiting plates 253 are respectively formed at the ends far away from the front and rear pairs of front and rear guide rods 252; one end of the front and rear pairs of front and rear guide rods 252 away from the front and rear pairs of guide rods is sleeved with a tension spring 254; the ends close to the front and rear pairs of tension springs 254 are respectively fixed on the end surfaces far away from the pair of movable supporting plates 25, and the ends far away from the pair of movable supporting plates 25 are respectively fixed on the end surfaces close to the pair of front and rear limiting plates 253; a cylindrical front and rear limiting driving block 231 which is arranged in a sinking way is pivoted at the center of the upper end surface of the lower supporting plate 21; the front and rear limit driving block 231 is fixed to the upper end of the rotation center shaft of the worm 23.
As shown in fig. 1 and 2, a cross-shaped limit driving groove 2310 is formed on the upper end surface of the limit driving block 231.
As shown in fig. 1 and 2, a left driving threaded rod 28 and a right driving threaded rod 28 are respectively pivoted between the upper parts of the front end and the rear end of the left side wall and the upper part of the rear end of the right side wall of the limiting test slot 101; the left and right portions of the left and right driving threaded rod 28 are formed with external threaded portions of opposite rotation; a pair of left and right driving motors is fixed on the left side wall of the limiting test slot 101; the left end of the left and right driving threaded rod 28 is fixed at the right end of the output shaft of the left and right driving motor; a pair of movement stoppers 27 of the same movement stopper unit are screwed on different external screw portions of the left and right driving screw rods 28.
As shown in fig. 1 and 2, a rotation adjusting column 261 is formed in the middle of the front and rear end faces of the tilt stopper plate 26; the rotary adjusting column 261 is pivoted on the movable limiting block 27 on the corresponding side; the rear end of the rear rotation regulation column 261 exceeds the rear movement stopper 27 and is fixed with a rotation restriction plate 262; a pair of rotation limiting bolts 263 is screwed on the rotation limiting plate 262; the front ends of the pair of rotation-restricting bolts 263 pass through the rotation-restricting plates 262 and abut against the rear end faces of the movement-restricting blocks 27 on the rear side of the column; adjusting windows 102 which penetrate through the left end and the right end of the rear side wall of the limiting test slot 101 in the front-back direction and are used for adjusting the inclination angle of the inclined limiting plate 26 are formed at the left end and the right end of the rear side wall of the limiting test slot 101 respectively.
As shown in fig. 1 and 2, the pair of movement stoppers 27 on the front side and the pair of movement stoppers 27 on the rear side are located on the front side and the rear side of the lower support plate 21.
The test block 261 has a variety of sizes; the number and distribution of test strips of different sizes of test probe modules 36 may vary.
The operation principle that the inclined plate is translated and pressed against the limiting SOP packaging test fixture is as follows:
an initial state; the pair of inclined limit plates 26 are farthest away, and the pair of front and rear limit units are farthest away;
before testing, adjusting the inclination angles of a pair of inclined limiting plates 26 according to the inclination of a connecting line between the left and right side lines of the upper end face of the SOP package and the left and right side lines of the pins at the two sides, adjusting the distance between a pair of front and rear limiting plates 251 according to the front and rear ends of the SOP package, and rotating different testing blocks 261 to be inserted into the placement grooves according to the distribution condition of the pins of the SOP package;
then the SOP package is placed on the lower support plate 21 through the discharge port 100 and is sandwiched by a pair of front and rear stopper plates 251 in the front-rear direction; then a pair of the inclined limiting plates 26 are relatively close to each other, so that the pair of the inclined limiting plates 26 are in contact with the left and right edges of the upper end face of the SOP package and the left and right edges of the pins at two sides, and the pins at two sides are in contact with the test strip, so that the test can be carried out, and the SOP package is automatically positioned and tested in the process and is suitable for the SOP packages with different sizes.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (9)
1. The utility model provides a hang plate translation presses spacing SOP encapsulation test fixture which characterized in that: comprises a cuboid frame (10) and a limit testing device (20); a rectangular groove-shaped limiting test slot (101) is formed in the frame (10); a cuboid discharge hole (100) which penetrates upwards is formed in the upper side wall of the limiting test slot (101); the limiting test device (20) comprises a rectangular lower support plate (21) which is elastically lifted and arranged on the lower side wall of the limiting test slot (101) and a pair of inclined limiting plates (26) which are arranged in a bilaterally symmetrical mode and are arranged in an inclined mode; a pair of front and rear limiting units which are symmetrically arranged in front and rear are arranged on the upper end surface of the lower supporting plate (21) in a front and rear sliding manner; the distance between the pair of front and rear limiting units is adjustable; the upper part of the limiting test slot (101) is provided with a pair of movable limiting units which are symmetrically arranged front and back; the movable limiting unit comprises a pair of movable limiting blocks (27) which are arranged in a left-right movement mode; a pair of moving limiting blocks (27) on the left side synchronously move in the same direction; the pair of moving limiting blocks (27) on the right side synchronously move in the same direction; a pair of movable limiting blocks (27) of the same movable limiting unit synchronously rotate in opposite directions; the pair of inclined limiting plates (26) are respectively and rotatably arranged between the pair of moving limiting blocks (27) on the left side and between the pair of moving limiting blocks (27) on the right side; the upper ends of the pair of inclined limiting plates (26) are close to each other, and the lower ends of the pair of inclined limiting plates are far away from each other; the end surfaces of the pair of inclined limiting plates (26) close to each other are provided with a placing groove; a test block (261) is detachably arranged in the placing groove; a plurality of test strips which are uniformly distributed from front to back and matched with the pins of the SOP package are arranged on the end face, close to the pair of test blocks (261), of each test block, and the test strips are arranged from top to bottom in the length direction.
2. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: a lifting supporting block (11) is formed in the center of the lower side wall of the frame (10); a plurality of lower lifting grooves (110) which are uniformly distributed in the front and at the back are formed in the lifting supporting block (11); an upward lifting groove (111) in the shape of a cylindrical groove which penetrates upwards is formed in the center of the upper side wall of the lower lifting groove (110); a plurality of ascending and descending columns (211) matched with the ascending and descending grooves (111) are formed on the lower end surface of the lower supporting plate (21); an upper lifting block (212) matched with the lower lifting groove (110) is formed at the lower end of the upper lifting column (211); a pressure spring (24) is arranged at the lower part of the lower lifting groove (110); the upper end of the pressure spring (24) is fixed on the lower end surface of the ascending and descending block (212), and the lower end is fixed on the lower side wall of the lower ascending and descending groove (110).
3. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 2, wherein: the number of the upper lifting columns (211) is at least two.
4. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: a central adjusting groove (210) in the shape of a rectangular groove is formed in the middle of the lower supporting plate (21); front and rear parts of the upper end surface of the lower supporting plate (21) are respectively formed with a front and rear moving groove (2100) in a rectangular groove shape; a front threaded rod and a rear threaded rod (22) are pivoted between the far side walls of the pair of front-rear moving grooves (2100); the middle parts of the front and rear threaded rods (22) are positioned in the central adjusting groove (210) and are fixed with worm wheels (221); a worm (23) is pivoted between the right parts of the upper and lower side walls of the central adjusting groove (210); the worm (23) is meshed with the worm wheel (221); the front and rear parts of the front and rear threaded rods (22) in the pair of front and rear moving grooves (2100) are respectively formed with external threaded parts with opposite rotation directions; the front-rear limiting unit comprises a movable supporting plate (25); a movable guide block matched with the front-back moving groove (2100) is formed on the lower end surface of the movable support plate (25); the movable guide blocks of the pair of movable support plates (25) are respectively screwed on different external threads of the front threaded rod and the rear threaded rod (22); a pair of front and rear guide rods (252) are respectively arranged on the pair of movable supporting plates (25) in a penetrating way in the front and rear direction; front and rear limiting plates (251) are respectively formed at the ends close to the front and rear pairs of front and rear guide rods (252), and front and rear limiting plates (253) are respectively formed at the ends far away from the front and rear pairs of front and rear guide rods; one end of the front and rear guide rods (252) far away from the front and rear guide rods is sleeved with a tension spring (254); one ends, close to the front and rear pairs of tension springs (254), are respectively fixed on the end surfaces, far away from the pair of movable supporting plates (25), and the other ends, far away from the front and rear pairs of tension springs are respectively fixed on the end surfaces, close to the pair of front and rear limiting plates (253); the center of the upper end surface of the lower supporting plate (21) is pivoted with a cylindrical front and rear limiting driving block (231) which is arranged in a sinking way; the front and rear limit driving block (231) is fixed at the upper end of the rotation central shaft of the worm (23).
5. The SOP package test fixture with the tilting plate translationally pressed against the limiting part as claimed in claim 4, wherein: the upper end surface of the limit driving block (231) is provided with a cross-shaped limit driving groove (2310).
6. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: a left driving threaded rod and a right driving threaded rod (28) are respectively pivoted between the upper parts of the front end and the rear end of the left side wall and the right side wall of the limiting test slot (101); the left and right parts of the left and right driving threaded rod (28) are formed with external thread parts with opposite rotation; a pair of left and right driving motors is fixed on the left side wall of the limiting test slot (101); the left end of the left and right driving threaded rod (28) is fixed at the right end of an output shaft of the left and right driving motor; a pair of movable stoppers (27) of the same movable stopper unit are screwed to different male screw portions of the left and right drive screw rods (28).
7. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: a rotary adjusting column (261) is formed in the middle of the front end face and the rear end face of the inclined limiting plate (26); the rotary adjusting column (261) is pivoted on the movable limiting block (27) on the corresponding side; the rear end of the rear rotary adjusting column (261) exceeds the rear movable limiting block (27) and is fixed with a rotary limiting plate (262); a pair of rotation limiting bolts (263) are screwed on the rotation limiting plate (262); the front ends of the pair of rotation limiting bolts (263) penetrate through the rotation limiting plates (262) and abut against the rear end surfaces of the movement limiting blocks (27) on the rear side of the column; adjusting windows (102) which are used for adjusting the inclination angle of the inclined limiting plate (26) and penetrate through the left end and the right end of the rear side wall of the limiting test slot (101) are formed at the left end and the right end of the rear side wall of the limiting test slot respectively.
8. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: the pair of movement stoppers (27) on the front side and the pair of movement stoppers (27) on the rear side are located on the front side and the rear side of the lower support plate (21).
9. The SOP package test fixture for testing the translational pressing and limiting of the inclined plate as claimed in claim 1, wherein: the test block (261) has a plurality of sizes; the number and distribution of test strips of different sized test probe modules (36) vary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110311.2A CN110837038B (en) | 2019-11-14 | 2019-11-14 | SOP packaging test fixture with inclined plate capable of being horizontally moved and pressed to limit position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110311.2A CN110837038B (en) | 2019-11-14 | 2019-11-14 | SOP packaging test fixture with inclined plate capable of being horizontally moved and pressed to limit position |
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| Publication Number | Publication Date |
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| CN110837038A true CN110837038A (en) | 2020-02-25 |
| CN110837038B CN110837038B (en) | 2021-10-08 |
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| CN1444262A (en) * | 2002-03-13 | 2003-09-24 | 未来产业株式会社 | Equipment for identifying working height of device conveying system and its method |
| CN1662168A (en) * | 2002-06-25 | 2005-08-31 | 莱格特普拉特有限公司 | Support for tilting or synchronized chairs |
| CN101406393A (en) * | 2007-09-11 | 2009-04-15 | 弗卢克公司 | Retractable contact post shield and method |
| CN108132432A (en) * | 2017-12-25 | 2018-06-08 | 芜湖市鸿坤汽车零部件有限公司 | A kind of insulating ladder Withstand test device |
| CN207908586U (en) * | 2018-01-08 | 2018-09-25 | 深圳市信维通信股份有限公司 | A kind of antenna measurement jig |
| CN208399845U (en) * | 2018-05-16 | 2019-01-18 | 武汉精测电子集团股份有限公司 | A kind of crimping carrier in automatic turning test fixture |
| CN209199610U (en) * | 2018-12-05 | 2019-08-02 | 深圳市浩海通精密设备有限公司 | A kind of memory bar FBT automatic test jig |
| CN110045161A (en) * | 2019-05-24 | 2019-07-23 | 杭州易正科技有限公司 | A kind of test bench of BGA package |
| CN110045159A (en) * | 2019-05-24 | 2019-07-23 | 杭州易正科技有限公司 | It is a kind of to pick and place the test bench for expecting convenient BGA package |
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