CN213278053U

CN213278053U - A station mouth positioner for chip test

Info

Publication number: CN213278053U
Application number: CN202022213346.3U
Authority: CN
Inventors: 王战朋
Original assignee: Suzhou Wulechuan Precision Electronics Co ltd
Current assignee: Hangzhou Changchuan Technology Co Ltd
Priority date: 2020-10-07
Filing date: 2020-10-07
Publication date: 2021-05-25
Anticipated expiration: 2030-10-07

Abstract

The utility model relates to a chip testing device technical field specifically is a station mouth positioner for chip testing, the top of base plate is located central point and puts the department and seted up the apron groove, the inboard in apron groove is provided with the apron, the outside of apron cooperatees with the inboard in apron groove, two positive air flues have been seted up to the front side both ends symmetry of base plate, and the both sides of base plate are located one end position department and have all seted up the side direction air flue, the downside of apron is provided with the vacuum adsorption air flue. The utility model relates to a novelty, the structure is ingenious, through the vacuum adsorption air flue, absorbs drain hole and the inboard air of blowing groove, makes its inside negative pressure state that forms, is fixed in the inboard of drain hole with the chip, prevents to cause the extrusion and lead to the chip to damage chip surface, through the cushion that adopts the organic glass material component, and the static that produces when preventing the chip test damages the chip.

Description

A station mouth positioner for chip test

Technical Field

The utility model relates to a chip testing device technical field specifically is a station mouth positioner for chip testing.

Background

The chip is a core element in various electronic products and plays a role in controlling the operation of the electronic products, the chip needs to be tested during production, the fault chip is prevented from flowing into the market, and the chip needs to be fixed on a special chip testing station during chip testing.

However, the chip is usually fixed by the jig in the fixing mode of the test station, which easily damages the chip surface due to the extrusion, and the existing mode of fixing the chip by the jig can generate static electricity when testing, and the chip is in direct contact with the jig, so that the static electricity easily damages the internal structure of the chip. Accordingly, one skilled in the art provides a station port positioning device for chip testing to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a station mouth positioner for chip test to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a station mouth positioner for chip test, includes the base plate, the top of base plate is located central point and puts the department and has seted up the apron groove, the inboard in apron groove is provided with the apron, the outside of apron cooperatees with the inboard in apron groove, two positive air flues have been seted up to the front side both ends symmetry of base plate, and the both sides of base plate are located one end position department and have all seted up the side direction air flue, the downside of apron is provided with the vacuum adsorption air flue, and the upside of apron is located both sides middle section position department symmetry and is provided with two spacer grooves, the inboard in spacer groove is provided with prevents static spacer, the inside of apron is located central point and puts the department and has seted up the drain hole, the drain groove has been seted up to the position department that the upside.

As a further aspect of the present invention: the anti-static isolation block comprises a lower gasket arranged on the inner side of an isolation block groove, an upper gasket covers the upper part of the lower gasket, a cushion block covers the upper part of the upper gasket, and the lower gasket, the upper gasket and the cushion block are all fixed with the inner side of the isolation block groove through three fixing screws which are linearly arranged at equal intervals.

As a further aspect of the present invention: vacuum adsorption air flue is including seting up two apron forward air flues that correspond two forward air flue position departments in the apron below and seting up two apron side direction air flues that correspond two side direction air flue position departments in the apron below and seting up the annular air flue that lies in two apron forward air flues and two apron side direction air flue one end in the apron below, two apron forward air flue and two apron side direction air flues all are linked together with the inside of annular air flue, one side of annular air flue is located the impartial interval of four sides position department and sets up six induction ports that extend to the drain hole inboard, two apron forward air flue and two apron side direction air flues are equal with the internal diameter of two forward air flues and two side direction air flues respectively.

As a further aspect of the present invention: the surfaces of the base plate and the cover plate are both made of stainless steel materials, and the surfaces of the base plate and the cover plate are both provided with nickel plating layers.

As a further aspect of the present invention: the cushion block is made of organic glass, the upper surface of the cushion block is 0.3 mm higher than the upper surface of the cover plate, and the thickness of the cushion block is 3 mm.

As a further aspect of the present invention: the anti-static cover plate is characterized in that positioning pin holes are formed in positions, located on one side of the two anti-static isolation blocks, above the cover plate, positioning pin fixing screws are fixed to the bottom ends of the inner portions of the two positioning pin holes, and the upper ends of the two positioning pin fixing screws are connected with positioning pins in a rotating mode through threads.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, the structure is ingenious, through the vacuum adsorption air flue, absorbs drain hole and the inboard air of blowing groove, makes its inside negative pressure state that forms, is fixed in the inboard of drain hole with the chip, prevents to cause the extrusion and lead to the chip to damage chip surface, through the cushion that adopts the organic glass material component, and the static that produces when preventing the chip test damages the chip.

Drawings

FIG. 1 is a schematic view of an installation structure of a station opening positioning device for chip testing;

FIG. 2 is a schematic view of a disassembled structure of a station port positioning device for testing a chip;

FIG. 3 is an enlarged schematic view of a station opening positioning device for chip testing at A in FIG. 2;

fig. 4 is a bottom view of a cover plate in a station-port positioning device for chip testing.

In the figure: 1. a substrate; 2. a cover plate; 3. a cover plate groove; 4. a positive airway; 5. a lateral airway; 6. a lower gasket; 7. an upper gasket; 8. cushion blocks; 9. a set screw; 10. fixing screws by positioning pins; 11. positioning pins; 12. an annular air passage; 13. an air suction port; 14. a cover plate positive air passage; 15. the cover plate is provided with a lateral air passage.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a station mouth positioner for chip test, including base plate 1, base plate 1's top is located central point and puts the department and seted up apron groove 3, apron groove 3's inboard is provided with apron 2, apron 2's the outside cooperatees with apron groove 3's inboard, two positive air flues 4 have been seted up to base plate 1's front side both ends symmetry, and base plate 1's both sides are located one end position department and have all seted up side direction air flue 5, apron 2's downside is provided with the vacuum adsorption air flue, and apron 2's upside is located both sides middle section position department symmetry and is provided with two spacer grooves, spacer groove's inboard is provided with prevents the static spacer, apron 2's inside is located central point and puts the department and has seted up the drain hole, the drain groove has been seted up to the.

In fig. 3: prevent static spacer including placing in spacer inslot side's lower gasket 6, the top of lower gasket 6 covers has last gasket 7, and the top of going up gasket 7 covers has cushion 8, and lower gasket 6, last gasket 7, cushion 8 are all fixed with spacer inslot side through three equidistant inline's set screw 9, adopt the cushion 8 of organic glass material component, and the static that produces when preventing the chip test damages the chip.

In fig. 4: the vacuum adsorption air passage comprises two cover plate positive air passages 14 arranged below the cover plate 2 and corresponding to two positive air passages 4, two cover plate lateral air passages 15 arranged below the cover plate 2 and corresponding to two lateral air passages 5, and an annular air passage 12 arranged below the cover plate 2 and positioned at one end of the two cover plate positive air passages 14 and one end of the two cover plate lateral air passages 15, wherein the two cover plate positive air passages 14 and the two cover plate lateral air passages 15 are both communicated with the inside of the annular air passage 12, one side of the annular air passage 12 is positioned at four sides and is provided with six air suction ports 13 extending to the inner side of the discharging opening at equal intervals, the two cover plate positive air passages 14 and the two cover plate lateral air passages 15 are respectively equal to the inner diameters of the two positive air passages 4 and the two lateral air passages 5, the air passages are vacuum adsorbed to absorb air at the inner sides of the discharging opening and the discharging groove so as to form a negative, prevent the chip from being damaged due to the extrusion on the surface of the chip.

In fig. 2: the surfaces of the base plate 1 and the cover plate 2 are all made of stainless steel, and the surfaces of the base plate 1 and the cover plate 2 are all provided with nickel plating layers, so that an anti-corrosion effect can be achieved.

In fig. 3: the cushion 8 adopts the component of organic glass material, and the upper surface of cushion 8 exceeds the upper surface 0.3 millimeter of apron 2, and the thickness of cushion 8 is 3 millimeters, and organic glass material's firmware has good antistatic performance.

In fig. 3: the locating pin hole has all been seted up to the top of apron 2 and is located two positions of preventing static spacer one side department, and the inside bottom of two locating pin holes all is fixed with locating pin set screw 10, and the upper end of two locating pin set screw 10 all is connected with locating pin 11 through the screw thread rotation, and locating pin 11 is used for fixing a position the chip, convenient test.

The utility model discloses a theory of operation is: the cover plate 2 is placed on the inner side of the cover plate groove 3, the test chip is placed above the cover plate 2, two positioning pins 11 are respectively inserted into the inner sides of two positioning holes on the surface of the chip to play a positioning role, the two sides of the lower part of the chip are contacted with the upper parts of two cushion blocks 8, the middle section of the lower part of the chip extends to the inner sides of a discharge hole and a discharge groove, then two positive air passages 4 and two lateral air passages 5 are communicated with an external vacuum pump, the air inside the discharge hole and the discharge groove is sucked into the inner side of an annular air passage 12 through an air suction port 13 when the vacuum pump operates, then the air is sucked out through the positive air passage 14 of the cover plate and the lateral air passages 15 of the cover plate, so that a negative pressure state is formed between the discharge hole and the inner side of the discharge groove, the chip is adsorbed on the inner side of the discharge hole to play a fixing role, the chip surface cannot be, the cushion block 8 is made of organic glass materials with an anti-static function, and static electricity generated during chip testing is prevented from damaging the chip.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A station port positioning device for chip testing comprises a substrate (1) and is characterized in that, a cover plate groove (3) is arranged at the central position above the base plate (1), the inner side of the cover plate groove (3) is provided with a cover plate (2), the outer side of the cover plate (2) is matched with the inner side of the cover plate groove (3), two positive air passages (4) are symmetrically arranged at two ends of the front side of the base plate (1), lateral air passages (5) are arranged at one end of the two sides of the base plate (1), a vacuum adsorption air passage is arranged at the lower side of the cover plate (2), and two isolation block grooves are symmetrically arranged at the middle sections of the two sides of the upper side of the cover plate (2), the inboard in spacing block groove is provided with prevents static spacing block, the inside of apron (2) is located central point and puts the department and has seted up the drain hole, the drain groove has been seted up to the upside of base plate (1) corresponding position department of drain hole.

2. The station opening positioning device for the chip testing is characterized in that the anti-static isolation block comprises a lower gasket (6) placed on the inner side of an isolation block groove, an upper gasket (7) covers above the lower gasket (6), a cushion block (8) covers above the upper gasket (7), and the lower gasket (6), the upper gasket (7) and the cushion block (8) are all fixed with the inner side of the isolation block groove through three fixing screws (9) which are linearly arranged at equal intervals.

3. The station opening positioning device for chip testing according to claim 1, wherein the vacuum adsorption air passage comprises two cover plate forward air passages (14) arranged below the cover plate (2) and corresponding to the two forward air passages (4), two cover plate lateral air passages (15) arranged below the cover plate (2) and corresponding to the two lateral air passages (5), and an annular air passage (12) arranged below the cover plate (2) and located at one end of the two cover plate forward air passages (14) and the two cover plate lateral air passages (15), wherein the two cover plate forward air passages (14) and the two cover plate lateral air passages (15) are both communicated with the inside of the annular air passage (12), six air suction ports (13) extending to the inner side of the discharge port are arranged at equal intervals at the positions of four sides of the annular air passage (12), and the two cover plate forward air passages (14) and the two cover plate lateral air passages (15) are respectively communicated with the two forward air passages (4) and the two lateral air passages (15) of the cover plate The inner diameters of the two lateral air passages (5) are equal.

4. The station opening positioning device for chip testing as claimed in claim 1, wherein the surfaces of the base plate (1) and the cover plate (2) are both made of stainless steel, and the surfaces of the base plate (1) and the cover plate (2) are both provided with nickel plating layers.

5. The station opening positioning device for the chip testing is characterized in that the cushion block (8) is made of a member made of organic glass, the upper surface of the cushion block (8) is 0.3 mm higher than the upper surface of the cover plate (2), and the thickness of the cushion block (8) is 3 mm.

6. The station opening positioning device for the chip testing as claimed in claim 1, wherein the cover plate (2) is provided with positioning pin holes at positions at one side of the two anti-static isolation blocks, positioning pin fixing screws (10) are fixed at the bottom ends of the two positioning pin holes, and the upper ends of the two positioning pin fixing screws (10) are rotatably connected with positioning pins (11) through threads.