CN212568886U

CN212568886U - Novel ICT test fixture positioning structure

Info

Publication number: CN212568886U
Application number: CN202021294797.8U
Authority: CN
Inventors: 付义; 付祖仁
Original assignee: Kunshan Fuji High Automation Equipment Co ltd
Current assignee: Kunshan Fuji High Automation Equipment Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-19
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to the technical field of test fixtures, in particular to a novel ICT test fixture positioning structure, which solves the defects of short service life and low positioning precision in the prior art, and comprises a base, wherein the top of the base is fixed with a guide post through a bolt, the guide post is respectively provided with a press plate and a sliding plate in a sliding way, the press plate is internally provided with a positioning hole and is provided with a test needle, one side of the sliding plate is fixed with a connecting plate through a screw, one side of the connecting plate is movably articulated with a connecting rod, the press plate drives the test needle to be close to a PCB (printed Circuit Board) through the arrangement of the sliding plate, the connecting rod is driven by the sliding plate, the sliding plate moves downwards under the action of a spring to act on the rotation of the connecting rod, the sliding clamping plate at one side is driven by the connecting rod to compress a workpiece, the, ensure that the test needle can accurately land on the test point.

Description

Novel ICT test fixture positioning structure

Technical Field

The utility model relates to a test fixture technical field especially relates to a novel ICT test fixture location structure.

Background

ICT, namely an automatic on-line tester, is a test device produced by PCBA (Printed-Circuit Board Assembly) which is necessary for modern electronic enterprises, has wide ICT application range, high measurement accuracy, clear indication of detected problems, and is very easy to handle problematic PCBA even though workers with general electronic technology level.

At present, the ICT test fixture only adopts the guide pillar to carry out guiding orientation when using, and the guide pillar is easy wearing and tearing after long-term the use, and life is shorter to the PCB board is easy not hard up when placing, influences the precision of test, and positioning accuracy is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has life weak point, positioning accuracy low among the prior art, and the novel ICT test fixture location structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel ICT test fixture location structure, the on-line screen storage device comprises a base, the top of base is passed through the bolt fastening and is had the guide pillar, it is provided with clamp plate and sliding plate to slide respectively on the guide pillar, the locating hole has been seted up to the inside of clamp plate, and is equipped with the test needle on the clamp plate, there is the connecting plate one side of sliding plate through the screw fastening, one side activity hinge joint of connecting plate has the connecting rod, the other end activity hinge joint of connecting rod has the slip grip block, the slip grip block slides and sets up the top of base, the top of base still is fixed with baffle and mounting panel through countersunk head bolt respectively, the top welding of mounting panel have.

Preferably, the sliding plate and the pressing plate are respectively provided with a first through hole and a second through hole, and the guide post is embedded in the first through hole and the second through hole.

Preferably, the mounting groove has been seted up at the top of base, be provided with the first location tooth of integrated into one piece structure on the diapire of mounting groove, the bottom of mounting panel is provided with the second location tooth of integrated into one piece structure.

Preferably, the outer part of the guide pillar is sleeved with a spring, the top of the guide pillar is welded with a limiting block, and two ends of the spring are fixedly connected with the bottom of the limiting block and the top of the sliding plate through buckles respectively.

Preferably, the top of the base is provided with a sliding groove, and the sliding clamping plate is in sliding connection with the sliding groove.

The utility model has the advantages that:

1. the utility model discloses in through the setting of locating pin, mounting panel, first location tooth, second location tooth and locating hole isotructure, add dismantled and assembled and be used for the locating pin of location on the base, can ensure to fix a position accurately, removable after the locating pin wearing and tearing simultaneously, prolonged the life of equipment.

2. The utility model discloses in through the setting of sliding plate, connecting rod and slip grip block isotructure, the clamp plate area is tested the needle and is close to the PCB board when the test, and the downward movement effect connecting rod of sliding plate under the spring action rotates simultaneously, makes the slip grip block of one side compress tightly the work piece under the drive of connecting rod, avoids the work piece skew in the testing process, has improved positioning accuracy, ensures that the test needle can fall on the test point accurately.

Drawings

Fig. 1 is a front view of a positioning structure of a novel ICT test fixture provided by the present invention;

FIG. 2 is a partial side view of the slide plate and link shown in relief according to the present invention;

fig. 3 is the utility model provides a novel ICT test fixture location structure's action sketch map.

In the figure: the device comprises a base 1, a mounting plate 2, a positioning pin 3, a sliding clamping plate 4, a pressing plate 5, a guide pillar 6, a limiting plate 7, a spring 8, a sliding plate 9, a connecting plate 10, a test needle 11, a connecting rod 12, a positioning hole 13, a first positioning tooth 14, a second positioning tooth 15 and a sliding chute 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a novel ICT test fixture location structure, including base 1, there is guide pillar 6 at the top of base 1 through the bolt fastening, it is provided with clamp plate 5 and sliding plate 9 to slide respectively on guide pillar 6, locating hole 13 has been seted up to clamp plate 5's inside, and be equipped with test needle 11 on clamp plate 5, there is connecting plate 10 at one side of sliding plate 9 through the screw fastening, one side swing joint of connecting plate 10 has connecting rod 12, the other end swing joint of connecting rod 12 has slip grip block 4, slip grip block 4 slides and sets up at the top of base 1, base 1's top still has baffle and mounting panel 2 through countersunk head bolt fastening respectively, mounting panel 2's top welding has locating pin 3 with locating hole 13 assorted.

Through locating pin 3, mounting panel 2, first locating tooth 14, the setting of second locating tooth 15 and locating hole 13 isotructure, dismantled and assembled just being used for the locating pin 3 of location has been add on base 1, can ensure the location accurate, it is removable after locating pin 3 wearing and tearing simultaneously, the life of equipment has been prolonged, through sliding plate 9, connecting rod 12 and the setting of sliding grip block 4 isotructure, clamp plate 5 takes test needle 11 to be close to the PCB board when the test, sliding plate 9 moves down under the effect of spring 8 simultaneously and acts on connecting rod 12 and rotates, make the sliding grip block 4 of one side compress tightly the work piece under the drive of connecting rod 12, avoid the work piece skew in the test process, the positioning accuracy is improved, ensure that the test needle can accurately fall on the test point.

In this embodiment, the sliding plate 9 and the pressing plate 5 are respectively provided with a first through hole and a second through hole, and the guide post 6 is embedded in the first through hole and the second through hole.

In this embodiment, the mounting groove has been seted up at the top of base 1, is provided with the first location tooth 14 of integrated into one piece structure on the diapire of mounting groove, and the bottom of mounting panel 2 is provided with the second location tooth 15 of integrated into one piece structure.

In this embodiment, the outside cover of guide pillar 6 is equipped with spring 8, and the top welding of guide pillar 6 has stopper 7, and the both ends of spring 8 are respectively through the bottom of buckle and stopper 7 and the top fixed connection of sliding plate 9.

In this embodiment, the top of the base 1 is provided with a sliding groove 16, and the sliding clamping plate 4 is slidably connected with the sliding groove 16.

The utility model discloses a concrete implementation process as follows: during operation, a PCB is placed on the top of the base 1, one side of the PCB is attached to a baffle on the base 1, then the pressing plate 5 moves downwards to drive the testing needle to approach the PCB, positioning is completed after the positioning pin 3 is inserted into the positioning hole 13, the testing needle accurately falls on a testing point on the PCB, meanwhile, when the pressing plate 5 slides downwards along the guide pillar 6, the bottom acting force of the sliding plate 9 gradually disappears, the sliding plate 9 slides downwards under the pushing of the spring 8, so that the connecting rod 12 on one side is driven to rotate, the other end of the connecting rod 12 extrudes the sliding clamping plate 4, the sliding clamping plate 4 tightly presses the other side of the workpiece, the position of the PCB is ensured not to deviate, and the positioning accuracy is improved;

further, when the locating pin 3 is after using wearing and tearing for a long time, the countersunk head bolt on the mounting panel 2 can be dismantled to the user, pulls down the change with mounting panel 2, utilizes first location tooth 14 and the embedding of mutually supporting of second location tooth 15, can ensure that mounting panel 2's position installation is accurate.

The above, 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 novel ICT test fixture positioning structure comprises a base (1) and is characterized in that, the top of the base (1) is fixed with a guide post (6) through a bolt, the guide post (6) is respectively provided with a pressing plate (5) and a sliding plate (9) in a sliding way, a positioning hole (13) is arranged inside the pressing plate (5), a test needle (11) is arranged on the pressure plate (5), a connecting plate (10) is fixed on one side of the sliding plate (9) through a screw, one side of the connecting plate (10) is movably hinged with a connecting rod (12), the other end of the connecting rod (12) is movably hinged with a sliding clamping plate (4), the sliding clamping plate (4) is arranged at the top of the base (1) in a sliding way, the top of the base (1) is also respectively fixed with a baffle plate and a mounting plate (2) through countersunk bolts, the top welding of mounting panel (2) have with locating hole (13) assorted locating pin (3).

2. The novel ICT test fixture positioning structure according to claim 1, wherein the sliding plate (9) and the pressing plate (5) are respectively provided with a first through hole and a second through hole, and the guide pillar (6) is embedded in the first through hole and the second through hole.

3. The novel ICT test fixture positioning structure according to claim 1, characterized in that a mounting groove is formed at the top of the base (1), a first positioning tooth (14) of an integrated structure is arranged on the bottom wall of the mounting groove, and a second positioning tooth (15) of an integrated structure is arranged at the bottom of the mounting plate (2).

4. The novel ICT test fixture positioning structure according to claim 1, characterized in that a spring (8) is sleeved outside the guide pillar (6), a limiting block (7) is welded on the top of the guide pillar (6), and two ends of the spring (8) are fixedly connected with the bottom of the limiting block (7) and the top of the sliding plate (9) through a buckle respectively.

5. The novel ICT test fixture positioning structure according to claim 1, characterized in that a sliding groove (16) is formed at the top of the base (1), and the sliding clamping plate (4) is slidably connected with the sliding groove (16).