CN219245608U - PCB board test fixture - Google Patents

Abstract

The utility model discloses a PCB test fixture, which comprises a support, wherein an electric sliding rail is arranged in the middle of the upper end of the support, a fixed plate is connected to a sliding block on the electric sliding rail, two vertical plates are symmetrically arranged on two sides of the upper end of the fixed plate, sliding holes are formed in the middle of each vertical plate, and pull rods penetrate through the sliding holes. The beneficial effects are that: when the clamping device is used, the two clamping plates are required to be pulled away from each other through the pull rod, the PCB to be clamped is placed between the two clamping plates, and then the automatic reset of the clamping plates can be realized under the action of the spring only by loosening the pull rod, so that the PCB can be rapidly clamped.

Description

PCB board test fixture

Technical Field

The utility model relates to the technical field of PCB testing fixtures, in particular to a PCB testing fixture.

Background

The PCB is called a printed circuit board, also called a printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electric connection of the electronic component, is called a 'printed' circuit board because the PCB is manufactured by adopting an electronic printing technology, and needs to be tested during production so as to ensure the delivery quality of the PCB. When the appearance detection is carried out on the PCB, the appearance detection is carried out on the PCB by using CCD visual detection equipment of an appearance detector, and the PCB is required to be clamped and then conveyed to the lower part of the testing equipment.

The patent number is CN202022950117. X's chinese patent discloses a PCB board test fixture convenient to it is fixed, including the loading board, the loading board lower extreme activity is provided with the base, loading board upper end four corners edge fixed mounting has the fixed block, the fixed block upper end activity is provided with the movable block, the activity of movable block upper end is provided with the bolt, loading board lower extreme fixed mounting has symmetrical first stopper, base upper end fixed mounting has the second stopper, the cell body has been fixedly seted up on the movable block medial surface.

The PCB board test fixture of above-mentioned patent is although can realize the centre gripping of waiting to test the PCB board fixed through the mode of screwing the bolt to realize the automatic removal of PCB board after the centre gripping, but because the PCB board test fixture of above-mentioned structure need realize eight effective fixed of PCB board of screwing of bolt simultaneously when the centre gripping to single PCB board when using, whole fixed process is comparatively loaded down with trivial details, and this can greatly reduced anchor clamps are to the fixed efficiency of centre gripping of PCB board, thereby are inconvenient for carrying out efficient test to the PCB board.

Disclosure of Invention

First, the technical problem to be solved

Aiming at the current state of the art, the utility model provides the PCB test fixture capable of realizing the rapid clamping and fixing of the PCB in a drawing mode.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a PCB test fixture, which comprises a support, wherein an electric sliding rail is arranged in the middle of the upper end of the support, a fixed plate is connected to a sliding block on the electric sliding rail, two vertical plates are symmetrically arranged on two sides of the upper end of the fixed plate, sliding holes are formed in the middle of each vertical plate, a pull rod penetrates through the sliding holes, one end of the pull rod is connected with a clamping plate, a clamping pad is fixed on the side wall of the clamping plate, which is opposite to the pull rod, one end of the pull rod, which is far away from the clamping plate, is connected with a pull plate, a pull ring is welded on the side wall of the pull plate, which is opposite to the pull rod, and a spring is fixed between the side wall of the pull plate, which is opposite to the pull rod, and the vertical plates.

Furthermore, two clamping plates are arranged, two sliding blocks are symmetrically arranged on two sides of the bottom end of each clamping plate, and a sliding groove is formed in the connecting part of the fixing plate and the sliding blocks.

By adopting the technical scheme, the sliding block can guide the movement of the sliding block, so that the clamping plate can stably slide.

Further, an operation panel is installed at one corner of the upper end of the support, and the operation panel is electrically connected with the electric sliding rail.

Through adopting above-mentioned technical scheme can realize under operating panel's effect the convenient opening and close of electronic slide rail, can drive after the electronic slide rail starts the fixed plate removes, so that will the PCB board that fixes on the fixed plate removes and carries out outward appearance detection under corresponding CCD visual detection equipment.

Further, the sliding block on the electric sliding rail is connected with the fixing plate through bolts, and the vertical plate is welded with the fixing plate.

By adopting the technical scheme, the design can realize the reliable fixation of the vertical plate.

Further, the sliding hole is formed in the vertical plate, the pull rod is connected with the sliding hole in a sliding mode, and the pull rod is welded with the clamping plate.

By adopting the technical scheme, the linkage sliding of the clamping plate can be realized by pulling the pull rod.

Further, the springs are welded with the vertical plates and the pull plates, the pull plates are welded with the pull rods, and the pull plates are of circular plate-shaped structures.

Through adopting above-mentioned technical scheme, when splint draw mutually after, the spring is in tensile state, when placing the PCB board two behind between the splint, only need loosen the pull rod, alright two under the effect of spring the splint is close to the both sides of PCB board to realize the quick clamp of PCB board.

Further, the sliding block is in sliding connection with the sliding groove, and the sliding block is welded with the clamping plate.

Through adopting above-mentioned technical scheme, design like this can ensure the slider is followed the convenient slip of spout.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

in order to solve the problems that the existing PCB test clamp can realize the clamping fixation of a PCB to be tested by screwing bolts and realize the automatic movement of the PCB after clamping, but the PCB test clamp with the structure needs to realize the effective fixation of the PCB by screwing eight bolts simultaneously when clamping a single PCB in use, the whole fixation process is complicated, the clamping fixation efficiency of the clamp to the PCB is greatly reduced, and thus the efficient test to the PCB is inconvenient.

Drawings

Fig. 1 is a schematic structural view of a PCB board testing jig according to the present utility model;

fig. 2 is an enlarged view of a portion a of fig. 1 of a PCB board testing jig according to the present utility model.

The reference numerals are explained as follows:

1. a support; 2. an electric slide rail; 3. an operation panel; 4. a fixing plate; 5. a clamping plate; 6. pulling a plate; 7. a pull ring; 8. a spring; 9. a slide hole; 10. a chute; 11. a slide block; 12. a clamping pad; 13. a pull rod; 14. and a vertical plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, a PCB board test fixture in this embodiment includes a support 1, an electric slide rail 2 is mounted in the middle of the upper end of the support 1, the electric slide rail 2 will drive a fixing board 4 to move after being started so as to move the PCB board fixed on the fixing board 4 to a corresponding CCD vision detection device for appearance detection, a fixing board 4 is connected to a slide block 11 on the electric slide rail 2, two vertical boards 14 are symmetrically mounted on two sides of the upper end of the fixing board 4, a slide hole 9 is formed in the middle of each vertical board 14, a pull rod 13 penetrates through the slide hole 9, one end of the pull rod 13 is connected with a clamping board 5, a clamping pad 12 is fixed on a side wall of the clamping board 5 opposite to the pull rod 13, one end of the pull rod 13 away from the clamping board 5 is connected with a pull board 6, a pull ring 7 is welded on a side wall of the pull board 6 opposite to the pull rod 13, a spring 8 is fixed between the side wall of the pull board 6 opposite to the pull rod 13 and the vertical boards 14, after the clamping boards 5 are mutually pulled, the spring 8 is in a stretched state, after the PCB board is placed between the two vertical boards 5, the two clamping boards are placed, the two sides of the two clamping boards are rapidly clamped by the spring 8, and the two sides of the two clamping boards can be rapidly clamped by the effect of the two clamping boards under the spring 8.

As shown in fig. 1-2, in this embodiment, two clamping plates 5 are provided, two sliding blocks 11 are symmetrically installed on two sides of the bottom end of each clamping plate 5, a sliding groove 10 is formed in the connecting position of each clamping plate 5 and each sliding block 11, each sliding block 11 can guide the movement of each sliding block 11, so that stable sliding of each clamping plate 5 is realized, an operation panel 3 is installed at one corner of the upper end of each support 1, the operation panel 3 is electrically connected with each electric sliding rail 2, the electric sliding rails 2 can be conveniently opened and closed under the action of the operation panel 3, sliding blocks on the electric sliding rails 2 are connected with the corresponding fixing plates 4 through bolts, the corresponding vertical plates 14 are welded with the corresponding fixing plates 4, reliable fixing of the corresponding vertical plates 14 can be realized through the design, sliding holes 9 are formed in the corresponding vertical plates 14, the corresponding sliding holes 13 are connected with the corresponding sliding holes 9 through sliding, the corresponding sliding rods 13 are welded with the corresponding clamping plates 5, the sliding rods 13 are pulled to realize linkage sliding of the corresponding clamping plates 5, springs 8 are welded with the corresponding vertical plates 14 and the corresponding sliding plates 6 are welded with the corresponding sliding rods 13, the sliding plates 6 are in a circular plate-shaped structure, the sliding blocks 11 are connected with the corresponding sliding plates 10 through sliding blocks through sliding plates 11 in a sliding mode, and the sliding blocks 11 are welded with the sliding plates 5 along the sliding grooves 10.

The specific implementation process of this embodiment is as follows: when the device is used, the support 1 is fixed below the CCD visual detection equipment for detecting the PCB, the clamp is connected with an external power supply, then the two clamping plates 5 are pulled away from each other through the pull rod 13, the PCB to be clamped is placed between the two clamping plates 5, and then the pull rod 13 is released, so that the clamping plates 5 can be automatically reset under the action of the springs 8, the PCB can be rapidly clamped, the PCB can be rapidly fixed during testing only by pulling in the fixing mode, the complicated operation of screwing the bolt is omitted, the clamping and fixing efficiency of the clamp on the PCB is greatly improved, efficient testing on the PCB is facilitated, and the clamped PCB can be moved to the corresponding detection position on the CCD visual detection equipment for detecting under the action of the electric sliding rail 2 only by starting the electric sliding rail 2 after the PCB is clamped.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A PCB board test fixture which characterized in that: including support (1), support (1) upper end mid-mounting has electronic slide rail (2), be connected with fixed plate (4) on slider (11) on electronic slide rail (2), two riser (14) are installed to fixed plate (4) upper end bilateral symmetry, every slide hole (9) have all been seted up at riser (14) middle part, run through in slide hole (9) have pull rod (13), pull rod (13) one end is connected with splint (5), splint (5) are facing away from be fixed with on the lateral wall of pull rod (13) clamp pad (12), pull rod (13) are kept away from splint (5) one end is connected with arm-tie (6), arm-tie (6) are facing away from weld on the lateral wall of pull rod (13) have pull ring (7), arm-tie (6) are just to be fixed with spring (8) between the lateral wall of pull rod (13) and riser (14).

2. The PCB testing fixture of claim 1, wherein: two clamping plates (5) are arranged, two sliding blocks (11) are symmetrically arranged on two sides of the bottom end of each clamping plate (5), and sliding grooves (10) are formed in the connecting positions of the fixing plates (4) and the sliding blocks (11).

3. The PCB testing fixture of claim 1, wherein: an operation panel (3) is arranged at one corner of the upper end of the support (1), and the operation panel (3) is electrically connected with the electric sliding rail (2).

4. The PCB testing fixture of claim 1, wherein: the sliding block on the electric sliding rail (2) is connected with the fixing plate (4) through bolts, and the vertical plate (14) is welded with the fixing plate (4).

5. The PCB testing fixture of claim 1, wherein: the sliding hole (9) is formed in the vertical plate (14), the pull rod (13) is in sliding connection with the sliding hole (9), and the pull rod (13) is welded with the clamping plate (5).

6. The PCB testing fixture of claim 1, wherein: the springs (8) are welded with the vertical plates (14) and the pull plates (6), the pull plates (6) are welded with the pull rods (13), and the pull plates (6) are of a circular plate-shaped structure.

7. The PCB testing fixture of claim 2, wherein: the sliding block (11) is in sliding connection with the sliding groove (10), and the sliding block (11) is welded with the clamping plate (5).

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