CN218974518U

CN218974518U - Double-sided circuit board detection jig for needle flying machine

Info

Publication number: CN218974518U
Application number: CN202223455050.8U
Authority: CN
Inventors: 贺国彧
Original assignee: Kunshan Jingmei Electronic Technology Co ltd
Current assignee: Kunshan Jingmei Electronic Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a double-sided circuit board detection jig for a needle flying machine, which comprises a carrier plate and a cover plate, wherein the carrier plate and the cover plate are detachably connected, a plurality of carrier plate cavities are formed in the carrier plate, a PCB (printed Circuit Board) is placed in the carrier plate cavities, openings to be detected are formed in the upper surface and the lower surface of the PCB, four slide sheets are fixedly arranged at the bottom of the carrier plate cavities and positioned at the four inner corners of the carrier plate cavities, the lower surface of the PCB is attached to the upper surface of the slide sheets, a limiting part is fixedly arranged on the side wall of each carrier plate cavity, the end part of the limiting part is abutted against the side wall of the PCB, and the slide sheets and the limiting part form a first detection opening in a surrounding manner; the surface of apron offered with support plate chamber assorted apron chamber, the lateral wall in every apron chamber is all fixed mounting has the clamp plate, the lower surface of clamp plate and the laminating of the upper surface of PCB board, the clamp plate surrounds and forms the second and detects the mouth. The upper surface and the lower surface of the jig are provided with the detection ports, so that the flying needle machine can conveniently detect the jig.

Description

Double-sided circuit board detection jig for needle flying machine

Technical Field

The utility model belongs to the technical field of needle flying machines, and particularly relates to a double-sided circuit board detection jig for a needle flying machine.

Background

The flying probe tester is used for testing the circuit board, and is divided into two main types, namely testing the PCB and testing the PCBA. A flying probe tester for testing a PCB (printed circuit board) is an instrument for testing a PCB with high-density component arrangement, multiple layers, large wiring density and small measuring point distance, mainly tests insulation and conduction values of a circuit board, and can monitor a testing process and fault points in real time by adopting a true value comparison positioning method, so that the testing accuracy is ensured. The flying probe tester for testing PCBA mainly performs electrical tests on the values, electrical characteristics and the like of electronic components.

When the PCB with small size is detected by the flying probe machine, the PCB is generally clamped by means of the fixing jig, and when the double-sided PCB is required to be detected, the PCB which can be used on two sides is required to be designed so as to improve the detection efficiency, so that the flying probe machine can conveniently test the specific PCB.

In order to overcome the defects, the person skilled in the art is actively researched to create a double-sided circuit board detection jig for the needle flying machine.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the double-sided circuit board detection jig for the needle flying machine, and solves the problem that two surfaces of a double-sided PCB (printed Circuit Board) need to be detected.

In order to solve the technical problems, the utility model adopts a technical scheme that: the PCB comprises a carrier plate and a cover plate, wherein the carrier plate is detachably connected with the cover plate, a plurality of carrier plate cavities are formed in the carrier plate, the PCB is placed in the carrier plate cavities, openings to be detected are formed in the upper surface and the lower surface of the PCB, four slide sheets are fixedly arranged at the bottom of the carrier plate cavities and are positioned at the four inner corners of the carrier plate cavities, the lower surface of the PCB is attached to the upper surface of the slide sheets, a limiting part is fixedly arranged on the side wall of each carrier plate cavity, the end part of each limiting part is in contact with the side wall of the PCB, and a first detection opening is formed by surrounding the slide sheets and the limiting parts;

the surface of apron seted up with carrier plate chamber assorted apron chamber, every the lateral wall in apron chamber all fixed mounting has the clamp plate, the lower surface of clamp plate with the laminating of the upper surface of PCB board, the clamp plate surrounds and forms the second and detects the mouth.

Further, the lower surface of the limiting part and the upper surface of the pressing plate are inclined surfaces.

Further, a reinforcing rib is fixedly arranged between the lower surface of the slide glass and the lower surface of the carrier plate.

Further, adjusting mechanisms are arranged on two sides of the carrier plate.

Further, the adjusting mechanism comprises a fixed clamping strip and a sliding strip, the fixed clamping strip is fixedly arranged on the side wall of the carrier plate, a plurality of positioning openings are formed in the fixed clamping strip, the sliding strip is in sliding connection with the fixed clamping strip, a plug matched with the positioning openings is arranged on the sliding strip, and the plug is arranged in the positioning openings.

Further, a sliding groove is formed in the side wall of the sliding strip, the plug is connected to the sliding groove in a sliding mode, and the plug is connected with the sliding groove through a spring.

Further, the number of the positioning ports is consistent with that of the carrier plate cavities, and the axes of the positioning ports and the axes of the carrier plate cavities are in the same horizontal plane.

The beneficial effects of the utility model are at least as follows:

the surface of the jig carrier plate is provided with the first detection port, the surface of the cover plate is provided with the second detection port, after the PCB plate is placed on the slide glass, the second detection port is placed upwards, after the test is completed, the jig is turned over, the first detection port is placed upwards, the performance of the other surface of the PCB plate is tested, and the carrier plate is provided with the adjusting mechanism, so that the position right against the test port of the needle flying machine is adjusted through the adjusting mechanism, and each PCB is tested.

Drawings

FIG. 1 is a schematic view of the structure of the top of the present utility model;

FIG. 2 is a schematic view of the structure of the bottom part of the present utility model;

FIG. 3 is a schematic view of the structure of the adjustment mechanism of the present utility model;

the parts in the drawings are marked as follows:

1 carrier plate, 11 slide glass, 12 spacing portion, 13 strengthening rib, 2 apron, 21 boards, 3PCB boards, 4 first detection mouths, 5 second detection mouths, 6 adjustment mechanism, 61 fixing clip strip, 611 locating port, 62 sliding strip, 621 top, 622 spout, 623 spring.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Examples: the utility model provides a double-sided circuit board detection tool for needle flying machine, as shown in fig. 1 and 2, including carrier plate 1 and apron 2, carrier plate and apron can dismantle the connection, further say, can be connected through card and buckle between carrier plate and the apron, have a plurality of carrier plate chamber on the carrier plate, the PCB board 3 is placed in the carrier plate intracavity, the upper and lower surface of PCB board all has the mouth that waits to detect, the bottom fixed mounting in carrier plate chamber has four slide glass 11, the slide glass is located four interior angles in carrier plate chamber, the lower surface of PCB board is laminated with the upper surface of slide glass, four angles of PCB board correspond a slide glass, every the lateral wall in carrier plate chamber all fixed mounting has limit part 12, limit part's tip is inconsistent with the lateral wall of PCB board, through limit part restriction slide glass's position, with limit part surrounds and forms first detection mouth, when needing to detect the back of board, the tool is put on the needle flying machine and is put on the needle flying machine, can insert the needle flying machine from the effect of a PCB 4 to detect the needle flying machine;

reinforcing ribs 13 are fixedly arranged between the lower surface of the slide glass and the lower surface of the carrier plate, the strength of the slide glass is increased through the reinforcing ribs, the slide glass is prevented from being broken due to the fact that the thickness of the slide glass is too thin, 4 reinforcing ribs are arranged in total, and the 4 slide glass correspond to the 4 slide glass respectively.

The surface of apron seted up with carrier plate chamber assorted apron chamber, every the lateral wall in apron chamber is all fixed mounting has clamp plate 21, the lower surface of clamp plate with the upper surface laminating of PCB board, the clamp plate surrounds and forms second detection mouth 5, when the front of PCB board needs to be detected, the detection needle of flying needle machine inserts the tool from the second detection mouth.

The lower surface of the limiting part and the upper surface of the pressing plate are both inclined surfaces.

As shown in fig. 3, the adjusting mechanism 6 is installed on two sides of the carrier plate, the adjusting mechanism includes a fixing clamping strip and a sliding strip, the upper and lower surfaces of the sliding strip are both fixedly installed with a butt joint port matched with the flying needle machine, the sliding strip is installed on the flying needle machine during use, meanwhile, a cylinder is installed on the flying needle machine, the output end of the cylinder is connected with the center of the side wall of the carrier plate, the fixing clamping strip is fixedly installed on the side wall of the carrier plate, a plurality of positioning ports 611 are formed in the fixing clamping strip, the sliding strip is in sliding connection with the fixing clamping strip, a top 621 matched with the positioning ports is installed on the sliding strip, the side wall of the sliding strip is provided with a sliding groove, the top is in sliding connection with the sliding groove 622, the top is connected with the sliding groove through a spring 623, the top can be completely placed in the sliding groove through a compression spring, and the top is placed in the positioning ports and is matched with the top through the positioning ports to define the positions of the carrier plate and the cover plate.

The number of the positioning ports is consistent with that of the carrier plate cavities, the axes of the positioning ports and the axes of the carrier plate cavities are in the same horizontal plane, and one positioning port corresponds to one carrier plate cavity.

The working principle of the utility model is as follows:

when the PCB is used, the PCB is placed on the slide glass, the cover plate is covered, the front side of the PCB is upwards, the butt joint port at the bottom of the sliding bar is in butt joint with the flying needle machine, the output end of the air cylinder is abutted against the side wall of the carrier plate, the flying needle machine is started to be in butt joint with the air cylinder, the test needle of the flying needle machine is inserted into the jig from the second detection port, when the flying needle machine detects the first PCB, the air cylinder pushes the carrier plate to move, the head on the sliding bar is pressed into the sliding groove along with the movement of the carrier plate, when the head enters the second positioning port, the spring is reset, the head is pushed into the second positioning port, the flying needle machine tests the PCB in the cavity of the second carrier plate, and then the jig is turned over, the butt joint port at the upper surface of the sliding bar is in butt joint with the flying needle machine, the test needle of the flying needle machine is inserted into the jig from the first detection port, and the performance of the back of the PCB is detected.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. The utility model provides a fly needle machine double-sided circuit board detects tool, includes carrier plate and apron, the carrier plate with the connection can be dismantled to the apron, have a plurality of carrier plate chamber on the carrier plate, the PCB board is placed in the carrier plate intracavity, the upper and lower surface of PCB board all has and waits to detect mouthful, its characterized in that: four slide sheets are fixedly arranged at the bottom of the carrier plate cavity, the slide sheets are positioned at four inner corners of the carrier plate cavity, the lower surface of the PCB plate is attached to the upper surface of the slide sheets, a limiting part is fixedly arranged on the side wall of each carrier plate cavity, the end part of each limiting part is abutted against the side wall of the PCB plate, and a first detection port is formed by surrounding the slide sheets and the limiting parts;

2. The double-sided circuit board detection jig for a flying probe machine according to claim 1, wherein: the lower surface of the limiting part and the upper surface of the pressing plate are both inclined surfaces.

3. The double-sided circuit board detection jig for a flying probe machine according to claim 1, wherein: reinforcing ribs are fixedly arranged between the lower surface of the slide glass and the lower surface of the carrier plate.

4. The double-sided circuit board detection jig for a flying probe machine according to claim 1, wherein: and adjusting mechanisms are arranged on two sides of the carrier plate.

5. The double-sided circuit board detection jig for a flying probe machine according to claim 4, wherein: the adjusting mechanism comprises a fixed clamping strip and a sliding strip, wherein the fixed clamping strip is fixedly arranged on the side wall of the carrier plate, a plurality of positioning openings are formed in the fixed clamping strip, the sliding strip is in sliding connection with the fixed clamping strip, a plug matched with the positioning openings is arranged on the sliding strip, and the plug is arranged in the positioning openings.

6. The double-sided circuit board detection jig for a flying probe machine according to claim 5, wherein: the side wall of the sliding strip is provided with a sliding groove, the top is connected with the sliding groove in a sliding mode, and the top is connected with the sliding groove through a spring.

7. The double-sided circuit board detection jig for a flying probe machine according to claim 5, wherein: the number of the positioning ports is consistent with that of the carrier plate cavities, and the axes of the positioning ports and the axes of the carrier plate cavities are in the same horizontal plane.