CN215067089U - Vacuum adsorption carrier of horizontal flying-needle machine - Google Patents
Vacuum adsorption carrier of horizontal flying-needle machine Download PDFInfo
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- CN215067089U CN215067089U CN202120437254.5U CN202120437254U CN215067089U CN 215067089 U CN215067089 U CN 215067089U CN 202120437254 U CN202120437254 U CN 202120437254U CN 215067089 U CN215067089 U CN 215067089U
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- adjustable shelf
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Abstract
The utility model discloses a vacuum adsorption carrier of needle machine is flown to horizontal, including the vacuum adsorption platform, the surface of vacuum adsorption platform has the absorption hole that a plurality of arrays were arranged, one side of vacuum adsorption platform has a cladding the gas collection chamber of absorption hole, the gas collection chamber has the gas connection mouth, the opposite side of vacuum adsorption platform has a recess, still includes the adjustable shelf, the adjustable shelf can place in the recess, so that the adjustable shelf can cover and spill the part the absorption hole. The utility model discloses an adsorb carrier makes the adsorption stage can be applicable to the circuit board of multiple size through movable mounting's adjustable shelf to can improve efficiency of software testing and test quality.
Description
Technical Field
The utility model belongs to the technical field of the PCB test, especially, relate to a vacuum adsorption carrier of needle machine is flown to horizontal.
Background
The flying probe tester is an instrument for testing a PCB or FPC with high element arrangement density, multiple layers, large wiring density and small measuring point distance, mainly tests the insulation and conduction values of a circuit board, and can monitor the test process and fault points in real time;
the PCB or FPC clamping mode of the horizontal flying probe machine is horizontal, in the prior art, the PCB clamping adopts a vacuum adsorption mode, the PCB or FPC surface can be supported, and the inaccuracy of the test caused by the bending of the PCB or FPC when the test head contacts the test is prevented;
and current vacuum adsorption structure, all be the adsorption structure that the recess that adopts the fixed setting of fixed absorption gas pocket cooperation constitutes, make the recess produce the negative pressure through vacuum generator (vacuum pump), and then can fix PCB or FPC, in actual production, because the circuit board size specification that awaits measuring has very many kinds, single vacuum adsorption platform is when the unmatched circuit board of face size, the often appear because the too many and not enough condition of adsorption affinity that causes in idle absorption hole, thereby the displacement of circuit board when causing the test, influence efficiency of software testing and test quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a vacuum adsorption carrier of needle machine is flown to horizontal, makes the absorption platform can be applicable to the circuit board of multiple size through movable mounting's adjustable shelf to can improve efficiency of software testing and test quality.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a vacuum adsorption carrier of a horizontal flying probe machine comprises a vacuum adsorption platform fixedly connected to a test platform, wherein the surface of the vacuum adsorption platform is provided with a plurality of adsorption holes which are arranged in an array;
a gas collecting cavity covering the adsorption holes is formed in one side of the vacuum adsorption platform, the gas collecting cavity is provided with a gas connecting port, the gas connecting port is communicated with a vacuum pump, a groove is formed in the other side of the vacuum adsorption platform, and all the adsorption holes are covered by the groove bottom of the groove;
still include the adjustable shelf, the adjustable shelf is platelike, and its thickness less than or equal to the degree of depth of recess, the adjustable shelf can place in the recess, so that the adjustable shelf can cover and leak part the absorption hole.
Furthermore, the movable frame is a frame-shaped structure with the same shape as the opening of the groove, and the width of the frame-shaped structure is smaller than the distance between the adjacent adsorption holes;
the adjustable shelf has a plurality ofly, and is a plurality of the adjustable shelf is the same and for the nested setting of diminishing gradually or grow, and is adjacent have the clearance between the adjustable shelf, through the clearance spills adsorb the hole, the adjustable shelf can alternate its locating position.
Furthermore, the opening of the groove is rectangular, and the adsorption holes are arranged in a shape of a Chinese character 'hui' by the movable frames.
Further, the adjustable shelf includes shielding part and absorption portion, shielding part is for can sheltering from the platelike of adsorbing the hole, the absorption portion is for can leaking the hollow out construction of adsorbing the hole.
Further, the contour of the movable frame is matched with the opening of the groove, so that the movable frame can be fixedly placed in the groove.
Further, the hollow structure is a square-shaped structure.
Further, the movable frame is made of marble.
The gas collecting cavity comprises a first gas collecting cavity and a second gas collecting cavity which are separately arranged, and the gas receiving port comprises a first gas receiving port communicated with the first gas collecting cavity and a second gas receiving port communicated with the second gas collecting cavity.
The utility model has the advantages that:
the utility model discloses a vacuum adsorption carrier through can the activity place the adjustable shelf on adsorbing the platform realize adsorbing the effective utilization in hole, can make this adsorption carrier can be applicable to the circuit board of multiple size specification to the position of placing the adjustable shelf has the recess, can fix a position, fix the adjustable shelf, improves the reliability when the adjustable shelf uses.
The movable frames are of a plurality of frame-shaped structures with the same shape, all the movable frames can be combined for use, when a circuit board to be tested is large, all the movable frames can be placed at concentric positions, gaps between the adjacent movable frames are the same, and the adsorption holes arranged in an array mode are sequentially leaked out;
when the size of the circuit board to be measured is small, all the movable frames can be placed in an abutting mode by taking one side or one corner as a reference, the side or one corner abutted together is combined into a sealed plate shape, the adsorption holes can be covered, the exposed adsorption holes (capable of being used for air suction) are reduced, namely the area of the effective adsorption holes is changed, and therefore the circuit board to be measured has stable negative pressure to adsorb the small circuit board.
The movable frame comprises the shielding part and the adsorption part, the structure has better adsorption stability, only the cost is increased relative to a combined mode, and if the circuit board has higher yield, a mode of fixing the adsorption hole can be adopted to achieve the best adsorption reliability.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of an installation structure of an adsorption carrier of the present invention;
FIG. 2 is a schematic structural view of a vacuum adsorption stage of the present invention;
fig. 3 is a cross-sectional view of the vacuum adsorption stage of the present invention;
FIG. 4 is an enlarged view of section A of FIG. 4 (plenum);
FIG. 5 is a schematic structural view (concentrically arranged) of the combined movable frame of the present invention;
FIG. 6 is a schematic structural view (offset) of the assembled movable frame of the present invention;
fig. 7 is a schematic structural view of a fixed movable frame in the present invention;
the parts in the drawings are marked as follows:
a test station 204;
the vacuum adsorption table 301, the adsorption hole 3011, the gas collection cavity 3012, the first gas collection cavity 30121, the second gas collection cavity 30122, the gas connection port 3013, the first gas connection port 30131, the second gas connection port 30132, the groove 3014, the movable frame 302, the shielding part 3021, and the adsorption part 3022;
the width W1 of the frame and the distance W2 of the suction holes.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a vacuum adsorption carrier of a horizontal flying-probe machine is shown in figures 1 to 4: the vacuum adsorption platform comprises a vacuum adsorption platform 301 fixedly connected to a test platform 204, wherein the surface of the vacuum adsorption platform is provided with a plurality of adsorption holes 3011 arranged in an array;
a gas collecting cavity 3012 covering the adsorption holes is arranged on one side of the vacuum adsorption platform, the gas collecting cavity is provided with a gas connecting port 3013, the gas connecting port is communicated with a vacuum pump, a groove 3014 is arranged on the other side of the vacuum adsorption platform, and the bottom of the groove covers all the adsorption holes;
in this embodiment, the gas collecting cavity includes a first gas collecting cavity 30121 and a second gas collecting cavity 30122, which are separately arranged, and the gas receiving port includes a first gas receiving port 30131 communicated with the first gas collecting cavity and a second gas receiving port 30132 communicated with the second gas collecting cavity;
the gas collection cavity is arranged in a partitioned mode, so that two regions can be respectively or simultaneously adsorbed, and controllability and stability are further improved.
Still include adjustable shelf 302, the adjustable shelf is platelike, and its thickness less than or equal to the degree of depth of recess, the adjustable shelf can place in the recess, so that the adjustable shelf can cover and leak part the absorption hole.
The profile of the movable frame is matched with the opening of the groove, so that the movable frame can be fixedly placed in the groove, the movable frame can be placed in the groove in a matched size, and the stability is improved.
The utility model discloses a vacuum adsorption carrier through can the activity place the adjustable shelf on adsorbing the platform realize adsorbing the effective utilization in hole, can make this adsorption carrier can be applicable to the circuit board of multiple size specification to the position of placing the adjustable shelf has the recess, can fix a position, fix the adjustable shelf, improves the reliability when the adjustable shelf uses.
The utility model discloses a adjustable shelf has two kinds of structures, and the first kind is shown as figure 5 and figure 6: the movable frame is of a frame-shaped structure with the same shape as the opening of the groove, and the width W1 of the frame-shaped structure is smaller than the distance W2 between the adjacent adsorption holes;
the adjustable shelf has a plurality ofly, and is a plurality of the adjustable shelf is the same and for the nested setting of diminishing gradually or grow, and is adjacent have the clearance between the adjustable shelf, through the clearance spills adsorb the hole, the adjustable shelf can alternate its locating position.
The movable frame is a plurality of frame-shaped structures with the same shape, as shown in fig. 5: all the movable frames can be combined for use, when the circuit board to be tested is large, all the movable frames can be placed in concentric positions, gaps between the adjacent movable frames are the same, and the adsorption holes arranged in an array mode are sequentially leaked out;
when the size of the circuit board to be tested is small, as shown in fig. 6: all the movable frames can be placed in an abutting mode by taking one edge or one corner as a reference, the edges or the corners abutted together are combined into a sealed plate shape at the moment, the adsorption holes can be covered, the exposed adsorption holes (capable of being used for air suction) are reduced, namely the area of the effective adsorption holes is changed, and therefore the movable frames have stable negative pressure to adsorb smaller circuit boards.
In this embodiment, the opening of the groove is rectangular, the adsorption holes are arranged in a shape of 'returning' by the plurality of movable frames, actually, the adsorption holes can also be considered as an air path in a shape of 'opening' formed between every two adjacent movable frames, and the plurality of movable frames form a plurality of nested 'openings', namely, the adsorption holes are arranged in a shape of 'returning';
since most of the circuit boards are rectangular with corners or irregular polygons, the adsorption stage is designed to be rectangular (i.e., the opening of the groove is rectangular) so as to be maximally adapted to various circuit boards.
The movable frame is a movable combination structure, and can also adopt a fixed mode, as shown in fig. 7: the movable frame comprises a shielding part 3021 and an adsorption part 3022, the shielding part is plate-shaped and can shield the adsorption hole, and the adsorption part is a hollow structure capable of leaking out of the adsorption hole;
compared with a combined movable frame, the structure has better adsorption stability, only the cost is increased relative to a combined mode, and if a certain circuit board with higher yield is adopted, a mode of fixing adsorption holes can be adopted to achieve the best adsorption reliability.
Furthermore, the hollow structure is a square-shaped structure.
In this embodiment, the adjustable shelf is the adjustable shelf of marble material, and the testboard of marble material can prevent the production of static to prevent to puncture the chip on the circuit board.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The utility model discloses a working process and theory of operation as follows:
the utility model discloses a vacuum adsorption carrier through can the activity place the adjustable shelf on adsorbing the platform realize adsorbing the effective utilization in hole, can make this adsorption carrier can be applicable to the circuit board of multiple size specification to the position of placing the adjustable shelf has the recess, can fix a position, fix the adjustable shelf, improves the reliability when the adjustable shelf uses.
The movable frames are of a plurality of frame-shaped structures with the same shape, all the movable frames can be combined for use, when a circuit board to be tested is large, all the movable frames can be placed at concentric positions, gaps between the adjacent movable frames are the same, and the adsorption holes arranged in an array mode are sequentially leaked out;
when the size of the circuit board to be measured is small, all the movable frames can be placed in an abutting mode by taking one side or one corner as a reference, the side or one corner abutted together is combined into a sealed plate shape, the adsorption holes can be covered, the exposed adsorption holes (capable of being used for air suction) are reduced, namely the area of the effective adsorption holes is changed, and therefore the circuit board to be measured has stable negative pressure to adsorb the small circuit board.
The movable frame comprises the shielding part and the adsorption part, the structure has better adsorption stability, only the cost is increased relative to a combined mode, and if the circuit board has higher yield, a mode of fixing the adsorption hole can be adopted to achieve the best adsorption reliability.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (8)
1. The utility model provides a vacuum adsorption carrier of needle machine is flown to horizontal, its characterized in that: the device comprises a vacuum adsorption table (301) fixedly connected to a test table (204), wherein the surface of the vacuum adsorption table is provided with a plurality of adsorption holes (3011) which are arranged in an array;
one side of the vacuum adsorption platform is provided with a gas collection cavity (3012) covering the adsorption holes, the gas collection cavity is provided with a gas receiving port (3013), the gas receiving port is communicated with a vacuum pump, the other side of the vacuum adsorption platform is provided with a groove (3014), and the bottom of the groove covers all the adsorption holes;
still include adjustable shelf (302), the adjustable shelf is platelike, and its thickness less than or equal to the degree of depth of recess, the adjustable shelf can place in the recess, so that the adjustable shelf can cover and leak part the absorption hole.
2. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 1, wherein: the movable frame is of a frame-shaped structure with the same shape as the opening of the groove, and the width (W1) of the frame-shaped structure is smaller than the distance (W2) between the adjacent adsorption holes;
the adjustable shelf has a plurality ofly, and is a plurality of the adjustable shelf is the same and for the nested setting of diminishing gradually or grow, and is adjacent have the clearance between the adjustable shelf, through the clearance spills adsorb the hole, the adjustable shelf can alternate its locating position.
3. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 2, wherein: the opening of the groove is rectangular, and the adsorption holes are arranged in a shape of a Chinese character 'hui' by the movable frame.
4. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 1, wherein: the adjustable shelf comprises a shielding part (3021) and an adsorption part (3022), the shielding part is a plate shape capable of shielding the adsorption hole, and the adsorption part is a hollow structure capable of leaking the adsorption hole.
5. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 4, wherein: the contour of the movable frame is matched with the opening of the groove, so that the movable frame can be fixedly placed in the groove.
6. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 4, wherein: the hollow structure is a square-shaped structure.
7. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 1, wherein: the adjustable shelf is made of marble.
8. The vacuum adsorption carrier of horizontal flying-needle machine as claimed in claim 1, wherein: the gas collecting cavity comprises a first gas collecting cavity (30121) and a second gas collecting cavity (30122) which are separately arranged, and the gas receiving port comprises a first gas receiving port (30131) communicated with the first gas collecting cavity and a second gas receiving port (30132) communicated with the second gas collecting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437254.5U CN215067089U (en) | 2021-03-01 | 2021-03-01 | Vacuum adsorption carrier of horizontal flying-needle machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437254.5U CN215067089U (en) | 2021-03-01 | 2021-03-01 | Vacuum adsorption carrier of horizontal flying-needle machine |
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| Publication Number | Publication Date |
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| CN215067089U true CN215067089U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120437254.5U Active CN215067089U (en) | 2021-03-01 | 2021-03-01 | Vacuum adsorption carrier of horizontal flying-needle machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092986A (en) * | 2021-03-01 | 2021-07-09 | 昆山新亚新电子科技有限公司 | Horizontal flying probe testing machine |
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2021
- 2021-03-01 CN CN202120437254.5U patent/CN215067089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092986A (en) * | 2021-03-01 | 2021-07-09 | 昆山新亚新电子科技有限公司 | Horizontal flying probe testing machine |
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