CN220584270U

CN220584270U - Automatic test equipment

Info

Publication number: CN220584270U
Application number: CN202321838274.9U
Authority: CN
Inventors: 毕云龙
Original assignee: ZHEJIANG SHEEN TECHNOLOGY CO LTD
Current assignee: ZHEJIANG SHEEN TECHNOLOGY CO LTD
Priority date: 2024-01-16
Filing date: 2024-01-16
Publication date: 2024-03-12
Anticipated expiration: 2034-01-16

Abstract

The embodiment of the utility model relates to the technical field of automatic detection and discloses automatic test equipment. It comprises the following steps: an apparatus main body; a plurality of display lamps and control keys are arranged on the equipment main body; testing the probe module; positioning a mold; the positioning die is detachably fixed on the equipment main body and is used for forming a test station for accommodating a test workpiece; a driving device; the driving device is used for adjusting the position of the test probe module so as to enable the test probe module to be electrically connected with the test workpiece; a turntable device; the turntable device is arranged on the equipment main body and can rotate relative to the testing station. The automatic detection device can realize automatic detection of the position plate, and effectively overcomes a series of defects existing in manual operation.

Description

Automatic test equipment

Technical Field

The utility model relates to the technical field of automatic detection, in particular to automatic test equipment.

Background

Position plates or position detection PCB boards are very commonly used electronic devices, which are widely used in the field of valve control and the like to realize rotation angle detection of specific components. The typical product production flow comprises: solder paste printing, SMT (surface mount technology) chip mounting, hand inserting, wave soldering, whole soldering, functional testing, gluing, curing, functional testing, packaging and shipping.

Taking a position plate based on the hall principle (hereinafter referred to as a hall position plate) as an example, in the existing function test process, a cable needs to be used to connect the power supply and the signal interface 1 of the hall position plate, then a magnet rod is used to approach each hall device 2 in sequence, and whether an indicator lamp is lighted or not is observed. Finally, whether the Hall position plate is normal or not is determined according to the lighting condition of the indicator lamp.

Existing manual testing methods involve a single and repeated back and forth motion. When the products are produced in batches and tested in function, the hands and eyes of test operators are extremely easy to feel tired. With the increase of labor time, the quality risk of missed detection or misjudgment of products is increased, and a quality part stability risk factor is brought to downstream clients.

Therefore, there is an urgent need to provide suitable automated detection equipment to effectively avoid the problems and drawbacks associated with manual testing.

Disclosure of Invention

The automatic test equipment provided by the application can overcome the defects of the existing manual test method.

In a first aspect, the present utility model provides an automated test equipment. It comprises the following steps: an apparatus main body; a plurality of display lamps and control keys are arranged on the equipment main body; testing the probe module; positioning a mold; the positioning die is detachably fixed on the equipment main body and is used for forming a test station for accommodating a test workpiece; a driving device; the driving device is used for adjusting the position of the test probe module so as to enable the test probe module to be electrically connected with the test workpiece; a turntable device; the turntable device is arranged on the equipment main body and can rotate relative to the testing station.

In some embodiments, the test probe module comprises: a probe module body; the probe module main body is fixed on the driving device and can move along the X-axis direction and the Y-axis direction under the control of the driving device; a plurality of metal probes; the metal probe extends out from the tail end of the probe module main body and is used for establishing electrical connection with a test workpiece.

In some embodiments, the driving means comprises: a first driving mechanism; the first driving mechanism is used for adjusting the position of the test probe module in the X-axis direction; a second driving mechanism; the second driving mechanism is used for adjusting the position of the test probe module in the Y-axis direction.

In some embodiments, the positioning die comprises: a die body; the die body is detachably fixed on the equipment main body; pit; the pit is formed in the center of the die body and has a size matched with the test workpiece so as to form the test station.

In some embodiments, the carousel device comprises: a turntable; the turntable is arranged in the pit and can rotate freely relative to the die body; a stepping motor; the stepping motor is used for driving the turntable to rotate in a stepping mode at a preset stepping rotation angle.

In some embodiments, the carousel comprises: a first test turret for detecting the hall position plate and a second test turret for detecting the photo-electric position plate; wherein the first test turntable is provided with a magnet; the second test turntable is provided with a black light barrier.

In some embodiments, the positioning die and turntable device are provided with two to form two independently tested test stations.

At least one advantageous aspect of the automatic test equipment provided by the embodiment of the utility model is that: the automatic detection of the position plate can be realized, the labor intensity and the fatigue degree of operators are effectively improved, the missing detection or misjudgment of individual products caused by fatigue is avoided, and the operation efficiency is improved. Moreover, through the probe module for automatically establishing electric connection, the problem of poor contact caused by repeated plugging of cables is solved.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.

FIG. 1 is a schematic illustration of a typical Hall position plate;

FIG. 2 is a schematic perspective view of an automatic test equipment according to an embodiment of the present utility model;

FIG. 3 is a schematic plan view of an automated test equipment according to an embodiment of the present utility model;

FIG. 4 is a schematic plan view of a driving apparatus according to an embodiment of the present utility model;

fig. 5 is a schematic plan view of a driving device according to an embodiment of the present utility model.

Detailed Description

The utility model will now be described in detail with reference to specific embodiments, it being emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.

It is noted that unless explicitly specified and limited otherwise, the terms "center", "longitudinal", "transverse", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc., used in this specification are directional or positional relationships indicated based on the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "secured," and the like 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. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated; thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; the meaning of "plurality" is two or more; "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 is a schematic diagram of a typical hall position plate. As shown in fig. 1, the hall position plate is provided with a power and signal interface 1 and a plurality of hall devices 2. The power and signal interface 1 is used for connecting with external equipment to realize power supply and data transmission. The plurality of hall devices 2 may be disposed around the circumferential direction therebetween. Thereby, the external device can determine the current rotational position by the signal of the hall device 2.

Fig. 2 is a schematic structural diagram of an automatic test equipment according to an embodiment of the present utility model. As shown in fig. 2, the automatic test equipment may include: the device comprises a device main body 21, a test probe module 22, a positioning die 23, a driving device 24 and a turntable device 25.

The device main body 21 is a main body part of the device, and is provided with a plurality of display lamps 211 and control keys 212 for realizing interaction with a tester, collecting control instructions and displaying test results of products. Specifically, with continued reference to fig. 2, the display light may include a pass indicator light 211a and a fail indicator light 211b. The control keys 212 may then include: a power switch 212a, a detection start button 212b, and the like.

The test probe module 22 is a component for establishing electrical connection (e.g., the power and signal interface 1 shown in fig. 1) with a test workpiece. Specifically, with continued reference to fig. 2, the test probe module 22 may include: a probe module body 221 and a metal probe 222. The probe module main body 221 is fixed on the driving device and can move along the X-axis direction and the Y-axis direction under the control of the driving device, so that the probe module main body is suitable for test workpieces with different sizes or models. The metal probes 222 protrude from the ends of the probe module body 221, and establish electrical connection with the test workpiece by way of contact.

The positioning die 23 is a member detachably fixed to the apparatus main body for forming a test station accommodating a test workpiece. Specifically, with continued reference to fig. 2, the positioning mold 23 may include a mold body 231 and a dimple 232. Wherein the mold body 231 is detachably fixed to the apparatus main body. The pit 232 is formed in the center of the die body and has a size adapted to the test workpiece to form a desired test station.

The driving device 24 is used for adjusting the position of the test probe module 22 so that the test probe module 22 moves to the target position and establishes an electrical connection with the test workpiece. Specifically, as shown in fig. 3, the driving device 24 may include: the first driving mechanism 241 and the second driving mechanism 242 are respectively used for adjusting the positions of the test probe module 22 in the X-axis direction and the Y-axis direction. The above-described driving mechanism may be selected to use any suitable type of position adjustment mechanism, such as a cylinder-based adjustment member, an adjustment screw-based adjustment member, etc., as occasion demands, and will not be described in detail herein.

The turntable assembly 25 is a structural member provided on the apparatus body 21 and rotatable relative to the test station to perform the detection of a plurality of different hall devices in the position plate. In particular, the turntable device 25 may comprise: turntable 25 and stepper motor (not shown). With continued reference to fig. 2, the turntable 25 may be disposed within a recess 232 of suitable size and dimension that is free to rotate within the recess relative to the mold body 231. The stepper motor is housed within the body of the apparatus and may be powered to rotate the dial 22 stepwise by a transmission mechanism or directly connected to the dial. The rotation angle of the stepwise rotation may be determined based on the actually detected workpiece, which is not described in detail herein.

In some embodiments, the automatic detection device may be applied to detect a photoelectric position plate (photoelectric position plate refers to a position plate implemented based on the principle of photoelectric sensors) by replacing a turntable, in addition to detecting a hall position plate. In this embodiment, for ease of description, they are referred to as "first test carousel" and "second test carousel", respectively. Correspondingly, the first test turntable is provided with a magnet 26, and the second test turntable is provided with a black light barrier to adapt to detection of different position plates.

In a preferred embodiment, with continued reference to FIG. 2, the positioning die and turntable assembly described above may be provided in two pairs, thereby forming two test stations that can be independently tested. The test station setting mode can effectively utilize the operation time and the beat time. For example, while one of the test stations is performing a test, the other test station is placing a product. When the product placement of another test station is completed, the product testing of the previous test station has been completed, thereby achieving a cycle.

In order to fully describe the inventive concept of the embodiments of the present utility model, a detailed description will be given below of the specific operation process of the automatic test equipment using the hall position plate test as an example.

First, an automatic test equipment is connected to a test collection box and related test equipment such as a power supply. The test collection box is also connected to a computer equipped with test software through a two-way USB.

Then, corresponding positioning dies and turntables are prepared for mounting and fixing to the test body according to the produced product model. The product to be tested is placed in the pit of the positioning die and fixed, and the test probe module is adjusted to move to the target position through the driving device according to the socket position of the product to be tested. Specifically, the target position refers to: the probe center point is in contact with the socket pins and the probe contacts 1/3 of a stroke in the Y-axis direction.

And finally, starting test software of the computer, and selecting a corresponding test model for testing. During the initial test procedure, the turntable may be rotated one turn to find the starting point of the start. After determining the starting point position, the tester performs the functional test by pressing a test start button. After the test is finished, the result of the functional test can be displayed by controlling the different display lamps to be lighted. For example, the pass indicator lamp 211a lights up to indicate pass, and the fail indicator lamp 211b lights up to indicate fail.

Specifically, during the functional test, a magnet bar is used instead of manually touching each hall element of the product by mounting the magnet on a controlled turntable. The speed of such one revolution of each product may remain the same. In addition, the data acquisition card reads the input state at intervals of a certain time (hundreds of milliseconds) to replace the on-off state of manual observation indication, and if the read data meets the set requirement, the data is judged to be qualified, and the qualified lamp is turned on; otherwise, the lamp is unqualified and the unqualified lamp is lighted.

In summary, the automatic test equipment provided by the embodiment of the utility model has at least the following advantages compared with the traditional manual test method:

1) The original visual inspection method is used for observing the plurality of indicator lamps instead of only observing the final result indicator lamp, so that the labor intensity and fatigue of workers are effectively improved.

2) The cable connection product inserted by the original manual insertion method is adjusted to be in automatic telescopic connection with the air cylinder, so that the problem of poor contact caused by repeated cable insertion and extraction is solved.

3) The original method for checking the product functions is adjusted to automatic computer test, so that the problem that individual products are missed to be checked or misjudged due to fatigue of workers is solved, the products flow into customers, and the product delivery quality is affected.

4) The original operation efficiency is only 350 pieces/hour, and the efficiency after using the automatic test equipment can be improved to about 800 pieces/hour, so that the operation efficiency is effectively improved.

The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, and these are all within the scope of the utility model.

Claims

1. An automatic test equipment, comprising:

an apparatus main body; a plurality of display lamps and control keys are arranged on the equipment main body;

testing the probe module;

positioning a mold; the positioning die is detachably fixed on the equipment main body and is used for forming a test station for accommodating a test workpiece;

a driving device; the driving device is used for adjusting the position of the test probe module so as to enable the test probe module to be electrically connected with the test workpiece;

a turntable device; the turntable device is arranged on the equipment main body and can rotate relative to the test station;

the test probe module includes:

a probe module body; the probe module main body is fixed on the driving device and can move along the X-axis direction and the Y-axis direction under the control of the driving device;

a plurality of metal probes; the metal probe extends out from the tail end of the probe module main body and is used for establishing electrical connection with a test workpiece.

2. The automatic test equipment of claim 1 wherein the drive means comprises:

a first driving mechanism; the first driving mechanism is used for adjusting the position of the test probe module in the X-axis direction;

a second driving mechanism; the second driving mechanism is used for adjusting the position of the test probe module in the Y-axis direction.

3. The automatic test equipment of claim 1, wherein the positioning die comprises:

a die body; the die body is detachably fixed on the equipment main body;

pit; the pit is formed in the center of the die body and has a size matched with the test workpiece so as to form the test station.

4. An automatic test equipment as claimed in claim 3 wherein the carousel means comprises:

a turntable; the turntable is arranged in the pit and can rotate freely relative to the die body;

a stepping motor; the stepping motor is used for driving the turntable to rotate in a stepping mode at a preset stepping rotation angle.

5. The automatic test equipment of claim 4, wherein the carousel comprises: a first test turret for detecting the hall position plate and a second test turret for detecting the photo-electric position plate;

wherein the first test turntable is provided with a magnet; the second test turntable is provided with a black light barrier.

6. The automated test equipment of claim 1, wherein the positioning die and turntable means are provided in two to form two independently tested test stations.