CN215263861U

CN215263861U - Pneumatic testing device

Info

Publication number: CN215263861U
Application number: CN202121163585.0U
Authority: CN
Inventors: 周勇华; 仇中燕
Original assignee: Suzhou Qingxing Qiji Technology Co ltd
Current assignee: Suzhou Qingxing Qiji Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-21
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a pneumatic testing device, which comprises an electric appliance cabinet body, a pneumatic testing module, a testing station, a first portal frame and a second portal frame, wherein the electric appliance cabinet body is of a cavity structure with a hollow middle part, a notch is arranged on the upper end face of the electric appliance cabinet body where a shell is arranged, and a containing seat is arranged on the notch; a sliding rail is arranged on the electric appliance cabinet body above the containing seat, a first portal frame is connected above the sliding rail in a sliding manner, and the first portal frame is of an inverted U-shaped structure, so that the bottom of the first portal frame is connected to the sliding rail in a sliding manner; the second portal frame is arranged in the cavity where the electric appliance cabinet body is located and is positioned right below the containing seat. This device will wait to detect the PCB board and arrange in between the pneumatic test module of first portal frame and second portal frame, and the stopper on the slide rail that the side set up simultaneously carries out the side parallel and level to holding the PCB board of placing on the seat, reduces because putting irregularly and lead to the detection error that PCB face contact failure caused.

Description

Pneumatic testing device

Technical Field

The utility model belongs to the technical field of PCB board test fixture, concretely relates to pneumatic testing arrangement.

Background

Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved.

PCB boards are important electronic components and are used in a wide variety of electronic devices. The PCB board has the advantages of high density, high reliability, designability, producibility, testability, assemblability and maintainability. And (3) classifying according to the circuit layer number: it is divided into single-sided boards, double-sided boards and multi-layer boards.

When the PCB is installed and used, the PCB needs to be subjected to an early-stage test experiment to detect the electrification performance of the PCB, but in the detection process, the contact on the surface of the PCB is easy to shift when in contact to influence the test effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a pneumatic testing arrangement has solved and has had above-mentioned technical problem among the prior art.

The purpose of the utility model can be realized by the following technical scheme:

a pneumatic testing device comprises an electric appliance cabinet body, a pneumatic testing module, a first portal frame and a second portal frame, wherein the electric appliance cabinet body is of a cavity structure with a hollow middle part, a notch is formed in the upper end face where a shell of the electric appliance cabinet body is located, and a containing seat is arranged on the notch;

a sliding rail is arranged on the electric appliance cabinet body above the containing seat, a first portal frame is connected above the sliding rail in a sliding manner, and the first portal frame adult is of an inverted U-shaped structure, so that the bottom of the first portal frame is connected to the sliding rail in a sliding manner and slides along the extending direction of the sliding rail;

the pneumatic testing module is arranged above the first portal frame, a fixing plate is arranged below the first portal frame, the upper part of the fixing plate penetrates through the portal frame through a support rod and upwards, the bottom of the pneumatic testing module penetrates through the first portal frame and downwards, and the fixing plate is driven to reciprocate up and down along the direction of the support rod;

the second portal frame is arranged in a cavity where the electric appliance cabinet body is located and located under the containing seat, another group of fixing plates are arranged above the second portal frame, the lower portion of each fixing plate penetrates through the second portal frame through a supporting rod, and another group of pneumatic testing modules are arranged at the bottom of the second portal frame and penetrate upwards to drive the fixing plates to reciprocate up and down along the direction of the supporting rods.

Furthermore, an electric appliance fixing plate is arranged in a cavity where the electric appliance cabinet body is located.

Furthermore, two end parts of the slide rail are provided with limit blocks for positioning the test product to align with the center of the first portal frame.

Furthermore, an air source duplex piece is arranged on the side where the electric appliance cabinet body is located.

Furthermore, a control box is arranged at the side position where the electric appliance cabinet body is located and used for controlling the work of the pneumatic testing module.

The utility model has the advantages that:

1. this device will wait to detect the PCB board and arrange in between the pneumatic test module of first portal frame and second portal frame, and the stopper on the slide rail that the side set up simultaneously carries out the side parallel and level to holding the PCB board of placing on the seat, reduces because putting irregularly and lead to the detection error that PCB face contact failure caused.

2. The PCB board that this device detected under the pneumatic test module's of first portal frame and second portal frame synergism, can once only detect PCB board just anti two sides, greatly improved detection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a part A of the embodiment of the present invention;

fig. 3 is a schematic side structure diagram of the embodiment of the present invention.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the embodiment of the utility model provides a pneumatic testing arrangement, including electric appliance cabinet body 1, pneumatic test module 2, first portal frame 41, second portal frame 42, electric appliance cabinet body 1 is the cavity 101 structure of middle part fretwork to the notch has been seted up at the up end at electric appliance cabinet body 1's casing place, is used for the installation to hold seat 5 on the notch. An electric appliance fixing plate 12 is arranged in the cavity 101 where the electric appliance cabinet body 1 is located, and meanwhile, an air source duplex part 13 is arranged on the side where the electric appliance cabinet body 1 is located.

The electric appliance cabinet body 1 above the containing seat 5 is provided with a sliding rail 11, the upper part of the sliding rail 11 is connected with a first portal frame 4 in a sliding manner, and the integral body of the first portal frame 4 is of an inverted U-shaped structure, so that the bottom of the first portal frame 4 is connected onto the sliding rail 11 in a sliding manner and slides along the extending direction of the sliding rail 11. The two ends of the slide rail 11 are provided with a limiting block 111 for positioning the test product to align with the center of the first portal frame 41. The purpose of the limiting block 111 on the front end face of the slide rail 11 is to ensure that the center of the first portal frame 41 is aligned with the center of the PCB to be detected, and the limiting block 111 on the rear end face of the slide rail 11 prevents the first portal frame 41 from being pushed beyond the travel range when the PCB is taken, so that the limiting effect is achieved.

The pneumatic testing module 2 is arranged above the first portal frame 41, meanwhile, a fixing plate 21 is arranged below the first portal frame 41, the upper portion of the fixing plate 21 penetrates through the portal frame 4 through a supporting rod 211 and upwards, the bottom of the pneumatic testing module 2 penetrates through the first portal frame 4 and downwards, and the fixing plate 21 is driven to reciprocate up and down along the direction of the supporting rod 211.

The second portal frame 42 is arranged in the cavity 101 where the electrical cabinet body 1 is located and located right below the containing seat 5, another group of fixing plates 21 is arranged above the second portal frame 42, the lower portion of each fixing plate 21 penetrates through the corresponding second portal frame 42 through a supporting rod 211, and another group of pneumatic testing modules 2 are arranged at the bottom of the corresponding second portal frame 42, so that the pneumatic testing modules 2 penetrate upwards and drive the fixing plates 21 to do vertical reciprocating motion along the direction of the corresponding supporting rods 211.

The side position where the electric appliance cabinet body 1 is located is provided with a control box 102 for controlling the work of the pneumatic test module 2.

As shown in fig. 3, during the use, first portal frame 41 moves to the position of limiting block 111 of the rear end along slide rail 11, the upper end of holder 5 is opened, the PCB to be detected is placed above holder 5 and is installed, then first portal frame 41 is controlled by control box 102 to move to the position right above holder 5 along slide rail 11, then the front end of pneumatic test module 2 is controlled by control box 102 to move downwards, the front end pushes fixing plate 21 downwards, and the fixing plate 21 and the upper surface where the PCB is clamped (the front probe of the product contacts at the moment) are realized simultaneously, so that the PCB placed on holder 5 is flush with fixing plate 21, and the test fixing plate stops after reaching the lower limit.

Then through the preceding tip upward movement of the pneumatic test module 2 on the control box 102 control second portal frame 42 again, make its preceding tip upwards promote fixed plate 21, so that realize that fixed plate 21 and the lower surface at PCB board place carry out the centre gripping (product reverse side probe contact this moment), stopper 111 on the slide rail 11 that the side set up carries out the side parallel and level to the PCB board that holds and place on the seat 5 simultaneously, survey the board from top to bottom and carry out the side parallel and level through every test connection in the test product and switch on the LED lamp of surveying the board corresponding position on, if the discovery has the lamp pearl of not lighting to only go to look for corresponding survey the board analysis reason according to the overall arrangement principle diagram, the product judges that the test is qualified and gets into next detection process after all lamp pearls are bright entirely. Reduce because put irregular detection error that leads to PCB face contact failure to cause.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A pneumatic testing device comprises an electric appliance cabinet body (1), a pneumatic testing module (2), a first portal frame (41) and a second portal frame (42), and is characterized in that the electric appliance cabinet body (1) is of a cavity (101) structure with a hollow middle part, a notch is formed in the upper end face of the electric appliance cabinet body (1) where a shell is located, and a containing seat (5) is arranged on the notch;

a sliding rail (11) is arranged on the electric appliance cabinet body (1) above the containing seat (5), a first portal frame (41) is connected above the sliding rail (11) in a sliding manner, and the first portal frame (41) is of an inverted U-shaped structure, so that the bottom of the first portal frame (41) is connected to the sliding rail (11) in a sliding manner and slides along the extending direction of the sliding rail (11);

the pneumatic testing module (2) is arranged above a first portal frame (41), meanwhile, a fixing plate (21) is arranged below the first portal frame (41), the upper portion of the fixing plate (21) penetrates through the first portal frame (41) through a supporting rod (211) to move upwards, the bottom of the pneumatic testing module (2) penetrates through the first portal frame (41) to move downwards, and the fixing plate (21) is driven to reciprocate up and down along the direction of the supporting rod (211);

the second portal frame (42) is arranged in a cavity (101) where the electric appliance cabinet body (1) is located and located under the containing seat (5), another group of fixing plates (21) are arranged above the second portal frame (42), the lower portion of each fixing plate (21) penetrates through the second portal frame (42) through a supporting rod (211), and another group of pneumatic testing modules (2) are arranged at the bottom of the second portal frame (42) so that the pneumatic testing modules (2) penetrate through the direction which is upward and drives the fixing plates (21) to do vertical reciprocating motion along the supporting rods (211).

2. The pneumatic testing device according to claim 1, characterized in that an appliance fixing plate (12) is arranged in the cavity (101) where the appliance cabinet body (1) is located.

3. The pneumatic testing device according to claim 1, wherein the two ends of the sliding rail (11) are provided with a limiting block (111) for positioning the test product to align with the center of the first portal frame (41).

4. The pneumatic testing device according to claim 1, wherein an air supply duplex piece (13) is arranged on the side where the electric appliance cabinet body (1) is located.

5. The pneumatic testing device according to claim 1, characterized in that a control box (102) is arranged at the side position of the electrical cabinet body (1) for controlling the operation of the pneumatic testing module (2).