CN219016961U - Comprehensive jig for burning and testing - Google Patents

Abstract

The utility model relates to a comprehensive jig for burning and testing, which comprises a base, wherein a test needle plate is connected above the base, a PCBA carrying disc is connected on the test needle plate through a spring assembly, a placing groove for placing PCBA is formed in the PCBA carrying disc, a plurality of test holes for testing and burning are formed in the placing groove, a plurality of probes are connected in the test needle plate in a penetrating manner, the probes are arranged in a one-to-one correspondence manner with the test holes, the probes are connected with a burning and testing device through test leads, one side of the base is connected with a fixing support, the top end of the fixing support is connected with a fixing plate, an elbow clamp is connected on the fixing plate, a connecting rod of the elbow clamp is connected with a pressing plate, the pressing plate is positioned right above the placing groove, a pressing column for pressing the PCBA carrying disc downwards and enabling the PCBA to be in contact with the probes is connected with the pressing plate, and a conversion switch for burning and testing conversion is externally connected with the test leads. The utility model can provide working efficiency.

Description

Comprehensive jig for burning and testing

Technical Field

The utility model relates to a comprehensive jig for burning and testing.

Background

The burning and testing are commonly used in the production process of circuit boards, and the purpose of the burning and testing is to check the functional requirements of the circuit boards and realize the design purpose of the circuit boards. The burning and testing are generally designed aiming at SMT chip mounting devices and circuits, and the burning is to copy a software program into an MCU chip through a burner so that the chip is controlled by software to work according to the requirements of engineers; the test is a means for detecting whether the software runs and devices on the circuit comprise the circuit which can normally run and be conducted; the current general method is to manufacture a burning jig and a testing jig according to different products, and the two jigs are searched for, patent: a burning test fixture (CN 202121040647.9) comprising a bearing seat and an elastic pressing piece; the bearing seat is provided with a bearing surface for bearing the to-be-burnt piece, the bearing surface is convexly provided with a limiting part, the elastic pressing piece is arranged on the bearing surface, and the elastic pressing piece and the limiting part jointly clamp the to-be-burnt piece so as to fix the to-be-burnt piece on the bearing surface. According to the technical scheme, the characteristic that the elasticity of the elastic pressing piece is adjustable enables the burning test jig to clamp and position the to-be-burned pieces with different sizes, and the application range of the burning test jig is improved. The picking and placing actions are added, and the labor and the jig are wasted due to low productivity and more work stations, so that the production cost is increased.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a comprehensive jig for burning and testing.

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

the utility model provides a comprehensive tool of burn and test, includes the base, the base top is connected with the test faller, be connected with the PCBA carrier plate on the test faller through spring assembly, set up the recess of placing that is used for placing PCBA on the PCBA carrier plate, set up a plurality of test holes that are used for test and burn in the recess of placing, cross-under has a plurality of probes in the test faller, the probe is located the below of PCBA carrier plate, the probe is the one-to-one setting with the position of test hole, the probe passes through the test lead and burns record and the tester links to each other, be connected with the fixed bolster on one side of base, be connected with the fixed plate on the top of fixed bolster, be connected with the elbow clamp on the fixed plate, link to each other with the clamp plate on the connecting rod of elbow clamp, the clamp plate is located directly over the recess of placing, be connected with on the clamp plate and be used for pushing down the PCBA carrier plate and make the post of PCBA and probe contact, the test lead external conversion switch that is used for burn and test conversion.

Preferably, the base comprises a plurality of base plates made of bakelite, and the base plates are spliced to form a hollow cuboid structure.

Preferably, the integrated fixture for burning and testing is characterized in that the base is connected with a test control switch electrically connected with the burning and testing device.

Preferably, the integrated fixture for burning and testing comprises a spring and a guide rod, wherein one end of the guide rod is connected to the base in a penetrating manner, the other end of the guide rod is connected to the PCBA carrier plate in a penetrating manner, the guide rod is sleeved with the spring, one end of the spring is connected with the base in a touching manner, and the other end of the spring is connected with the bottom surface of the PCBA carrier plate in a touching manner.

Preferably, the comprehensive fixture for burning and testing is electrically connected with the buzzer through a lead.

Preferably, the integrated fixture for burning and testing comprises a base, wherein the back of the base is connected with an access movable door through a hinge.

By means of the scheme, the utility model has at least the following advantages:

the utility model realizes the burning and testing merging station, overcomes the limitation of single function of the jig, can be used for testing various circuit boards needing burning, reduces the production cost and improves the production efficiency.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

fig. 2 is a side view of the present utility model.

FIG. 3 is a schematic view of the structure of the base of the present utility model

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, the terms "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or the positional relationship that the product of the application is conventionally put in use, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples

As shown in fig. 1, fig. 2 and fig. 3, a comprehensive jig for burning and testing comprises a base 1, a test needle plate 2 is connected above the base 1, a PCBA carrier disc 4 is connected to the test needle plate 2 through a spring assembly, a placing groove for placing PCBA is formed in the PCBA carrier disc 4, a plurality of testing holes for testing and burning are formed in the placing groove, a plurality of probes 5 are connected in the test needle plate 2 in a penetrating manner, the probes 5 are located below the PCBA carrier disc 4, the probes 5 are arranged in a one-to-one correspondence manner with the positions of the testing holes, the probes 5 are connected with the burning and testing device 6 through testing leads, a fixing support 7 is connected to one side of the base 1, a fixing plate 8 is connected to the top end of the fixing support 7, an elbow clamp 9 is connected to a pressing plate 10, the pressing plate 10 is located right above the placing groove, and a switch for converting the PCBA carrier disc 4 into a converting and enabling the PCBA to be in contact with the testing leads 3.

In the utility model, the base 1 comprises a plurality of base plates made of bakelite, and the base plates are spliced to form a hollow cuboid structure.

In the utility model, a test control switch 11 electrically connected with a burning and testing device 6 is connected to the base 1.

The spring assembly comprises a spring and a guide rod, one end of the guide rod is connected to the base in a penetrating manner, the other end of the guide rod is connected to the PCBA carrier plate 4 in a penetrating manner, the guide rod is sleeved with the spring, one end of the spring is connected with the base in a touching manner, and the other end of the spring is connected with the bottom surface of the PCBA carrier plate 4 in a touching manner.

The burning and testing device 6 is electrically connected with the buzzer through a lead.

In the utility model, the back of the base 1 is connected with an access door through a hinge.

The working principle of the utility model is as follows:

during specific work, firstly, a product is placed in a placement groove, then a pressing plate is pressed down through an elbow clamp, the pressing plate is pressed down through a pressing column, the PCBA carrier disc is pressed down together, the product is in contact with a probe, then a power switch is turned on, a conversion switch is turned to a burning position, the product is burnt through a burning and testing device, after the burning is completed, the conversion switch is turned to a testing position, the burnt product is tested through a testing control switch, if the testing is successful, an LED lamp prompt (green lamp is OK and red lamp is NG) is provided, and when NG (defective product) occurs, the buzzer is used for reminding.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (6)

1. A comprehensive jig for burning and testing is characterized in that: including base (1), base (1) top is connected with test faller (2), be connected with PCBA carrier plate (4) through spring assembly on test faller (2), set up the recess of placing that is used for placing PCBA on PCBA carrier plate (4), set up a plurality of test holes that are used for test and burn in the recess of placing, cross-under has a plurality of probes (5) in test faller (2), probe (5) are located the below of PCBA carrier plate (4), probe (5) are the one-to-one setting with the position of test hole, probe (5) link to each other with burn and tester (6) through test lead wire, be connected with fixed bolster (7) on one side of base (1), be connected with fixed plate (8) on the top of fixed bolster (7), be connected with elbow clamp (9) on the connecting rod with clamp (10), clamp (10) are located the place directly over the recess, clamp (10) are connected with and use for converting probe (4) and burn down with test lead wire and test lead wire (3.

2. The integrated fixture for burning and testing according to claim 1, wherein: the base (1) comprises a plurality of base plates made of bakelite, and the base plates are spliced to form a hollow cuboid structure.

3. The integrated fixture for burning and testing according to claim 1, wherein: the base (1) is connected with a test control switch (11) electrically connected with the burning and testing device (6).

4. The integrated fixture for burning and testing according to claim 1, wherein: the spring assembly comprises a spring and a guide rod, one end of the guide rod is connected to the base in a penetrating manner, the other end of the guide rod is connected to the PCBA carrier plate (4) in a penetrating manner, the guide rod is sleeved with the spring, one end of the spring is connected with the base in a touching manner, and the other end of the spring is connected with the bottom surface of the PCBA carrier plate (4) in a touching manner.

5. The integrated fixture for burning and testing according to claim 1, wherein: the burning and testing device (6) is electrically connected with the buzzer through a lead.

6. The integrated fixture for burning and testing according to claim 1, wherein: the back of the base (1) is connected with an access movable door through a hinge.

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