CN220339939U - Strength testing device - Google Patents

Abstract

The utility model relates to the technical field of strength test of electronic products, in particular to a strength test device, which comprises a base, a three-dimensional moving assembly and a test structure; the upper surface of the base is provided with a detection position of a product to be detected, and the three-dimensional moving assembly is arranged on one side of the detection position; the three-dimensional moving assembly comprises an X-direction moving module, a Y-direction moving module and a Z-direction moving module, wherein the Y-direction moving module is connected with the upper surface of the base, the Y-direction moving module comprises a first sliding block, the X-direction moving module is connected with the first sliding block, the X-direction moving module comprises a second sliding block, the Z-direction moving module is connected with the second sliding block, the Z-direction moving module comprises a third sliding block, and the test structure is connected with the third sliding block; wherein, X direction and Y direction mutually perpendicular to each other, and the plane that forms is parallel with the upper surface of base, and Z direction is perpendicular with the upper surface of base. The strength testing device provided by the utility model realizes omnibearing coverage test; and the test result is more accurate, and the test process is safer and more reliable.

Description

Strength testing device

Technical field

The utility model relates to the technical field of strength testing of electronic products, and in particular to a strength testing device.

Background technique

Laptops need to undergo strength testing before leaving the factory. Currently, the method of strength testing is to simulate the collision/impact of an object through a falling ball testing machine. Before starting the test, you need to manually place the iron ball in the adsorption device, and manually adjust the laptop to align it with the test point; during the test, in order to prevent the iron ball from causing secondary collisions with the laptop and affecting the reliability of the experimental results, you need to hold it with both hands Hold the iron ball falling from a high place; after the test is completed, the iron ball is placed aside until the next test, and then manually placed in the adsorption device.

In the existing test structure: the position of the test point has limitations, and the test of a single position point can only be realized through manual adjustment; there is a secondary impact during the falling process of the iron ball, which has a certain impact on the accuracy of the test results, and It is unable to display the impact of the impact force on the object being measured in real time; and, after the iron ball falls, human hands are required to catch and recover it, failing to achieve a closed loop of the test process, which is inefficient and poses certain safety risks.

Utility model content

In order to solve at least the above technical problems existing in the prior art, the present utility model provides a strength testing device.

On the one hand, the utility model provides a strength testing device, which includes a base, a three-dimensional moving component and a testing structure; the upper surface of the base is provided with a detection position for the product to be tested; the three-dimensional moving component includes an X-direction moving module, a Y-moving module The Y-direction movement module and the Z-direction movement module are connected to the upper surface of the base. The Y-direction movement module includes a first slider, and the X-direction movement module is connected to the upper surface of the base. The first slide block is connected, the X-direction movement module includes a second slide block, the Z-direction movement module is connected with the second slide block, the Z-direction movement module includes a third slide block, the The test structure is connected to the third slider; the X direction and the Y direction are perpendicular to each other, the formed plane is parallel to the upper surface of the base, and the Z direction is perpendicular to the upper surface of the base.

In some embodiments, two Y-moving modules are provided on the upper surface of the base. The two Y-moving modules are arranged in parallel and are located on both sides of the detection position. The X Both ends of the moving module are respectively connected to two first slide blocks.

In some embodiments, the X-direction movement module, the Y-direction movement module and the Z-direction movement module are all linear screw modules.

In some embodiments, the test structure includes a lifting rod and a driving assembly; one end of the lifting rod is connected to the driving assembly, the other end is a test end, and the axis of the lifting rod is perpendicular to the upper surface of the base. , and the driving assembly is used to drive the lifting rod to reciprocate in a direction perpendicular to the upper surface of the base.

In some embodiments, an information collection structure is also included. The information collection structure is provided on the third slider and is located on one side of the test structure. The information collection structure is used to obtain information about the product to be tested. Mark the information and send it to the control device.

In some embodiments, a pressure detection structure is also included. The pressure detection structure is provided on the surface of the product to be tested and is used to obtain the pressure exerted by the test structure.

In some embodiments, the pressure sensing structure includes a thin film strain gauge.

In some embodiments, a limiting structure is further included. The limiting structure is provided on the upper surface of the base and is located at the periphery of the detection position for limiting the product to be tested.

In some embodiments, the limiting structure includes a connecting plate, which is detachably connected to the upper surface of the base; the upper surface of the base is provided with a plurality of mounting positions for the connecting plate. Form limits for the products to be tested of different sizes.

The utility model provides a strength testing device that, when used, drives the test structure to move within the testing range through a three-dimensional moving component. The three-dimensional moving component can synchronize the testing structure to move to any position and set height within the testing range, and then Achieve all-round coverage of the test; and, during the test, the lift rod is used to simulate collision/impact by lowering the impact. When the test requirements are met, there is no need to perform operations such as catching and collecting the ball, making the test results more accurate, and the test The process is safer and more reliable.

Description of the drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the invention are shown by way of example and not by way of limitation, in which:

In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

Figure 1 is a schematic structural diagram of a strength testing device provided by an embodiment of the present invention;

Figure 2 is a top view of the strength testing device provided by the embodiment of the present utility model;

Figure 3 is a schematic structural diagram of the test structure of the strength testing device provided by the embodiment of the present invention;

Figure 4 is a top view of the detection position in the strength testing device provided by the embodiment of the present invention.

In the picture:

1: Base; 2: Three-dimensional mobile component; 3: Test structure; 4: Product to be tested; 5: Information collection structure; 6: Pressure detection structure; 7: Limiting structure;

11: Detection position; 12: Installation position;

21: X-direction movement module; 22: Y-direction movement module; 23: Z-direction movement module;

31: Lifting rod; 32: Driving assembly.

Detailed ways

In order to make the purpose, features, and advantages of the present utility model more obvious and easy to understand, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, The described embodiments are only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present utility model.

The embodiment of the utility model provides a strength testing device, which includes a base, a three-dimensional moving component and a testing structure. The base is used to carry the product to be tested, the three-dimensional moving component is used to drive the test structure to move within the detection range, and the test structure completes the test action at the test point.

The structure of each component as well as the connection and cooperation relationship between the components will be described in detail below with reference to the accompanying drawings.

As shown in Figures 1 to 3, the upper surface of the base 1 is provided with a detection position 11 of the product 4 to be tested. For example, the shape of the base 1 is rectangular, and the detection position 11 is provided at the center of the upper surface of the base 1 .

In the embodiment of the present invention, the strength testing device also includes a limiting structure 7 . The limiting structure 7 is provided on the upper surface of the base 1 and is located at the periphery of the detection position 11 for limiting the product 4 to be tested. The position of the product to be tested 4 is fixed by the limiting structure 7 to avoid deviation caused by the displacement of the product to be tested 4 during the test process.

For example, the limiting structure 7 includes a connecting plate and a limiting plate, the limiting plate is vertically connected to the connecting plate, the connecting plate is connected to the base 1 , and the limiting plate is used to block the product 4 to be tested. Taking the product 4 under test as a laptop computer as an example, two limiting structures 7 are respectively provided at a set of diagonal corners of the detection position 11. The two limiting structures 7 respectively limit the long and wide sides of the laptop computer.

As shown in Figure 4, the connecting plate is detachably connected to the upper surface of the base 1; the upper surface of the base 1 is provided with a plurality of mounting positions 12 for connecting plates, which are used to form limits for products 4 to be tested of different sizes.

For example, the connecting plate and the upper surface of the base 1 are connected through mounting holes and fastening bolts. Therefore, multiple rows of mounting holes are provided on the upper surface of the base 1 along the length and width directions of the product 4 to be tested. According to the product to be tested, The length and width of 4 can be selected and installed in the corresponding installation holes. This method can realize the adaptation of different types of products 4 to be tested and improve the versatility of the test device.

Continuing to refer to Figures 1 to 3, the three-dimensional moving assembly 2 includes an X-moving module 21, a Y-moving module 22 and a Z-moving module 23. The Y-moving module 22 is connected to the upper surface of the base 1. The Y-direction movement module 22 includes a first slide block, the X-direction movement module 21 is connected with the first slide block, the X-direction movement module 21 includes a second slide block, and the Z-direction movement module 23 is connected with the second slide block, The Z-direction moving module 23 includes a third slider, and the test structure 3 is connected to the third slider; the X-direction and the Y-direction are perpendicular to each other, and the formed plane is parallel to the upper surface of the base 1, and the Z-direction is parallel to the upper surface of the base 1. The upper surface is vertical.

The test structure 3 realizes Z-direction movement on the Z-direction movement module 23, and the Z-direction movement module 23 moves along the X-direction on the X-direction movement module 21, thereby simultaneously driving the test structure 3 to move along the X-direction, and the X-direction movement module 21 moves on the Y-direction moving module 22, synchronously driving the test structure 3 and the Z-direction moving module 23 to move along the Y-direction. Through the above movement, any position and set height within the detection range can be achieved (Z-direction moving module 23 height) position movement.

For example, the upper surface of the base 1 is provided with two Y-direction moving modules 22. The two Y-direction moving modules 22 are arranged in parallel and are respectively located on both sides of the detection position 11. The two ends of the X-direction moving module 21 are respectively connected with The two first sliders are connected.

For example, the X-direction movement module 21, the Y-direction movement module 22, and the Z-direction movement module 23 are all linear screw modules. The linear screw module includes a screw and a drive motor. The first slider, the second slider and the third slider are threadedly connected to the screw of the module respectively. Through the forward rotation or flipping of the output shaft of the drive motor, the third slider is adjusted. The moving direction and moving position of the first slider, the second slider and the third slider.

Continuing to refer to Figures 1 to 3, the test structure 3 includes a lifting rod 31 and a driving assembly 32; one end of the lifting rod 31 is connected to the driving assembly 32, and the other end is the test end. The axis of the lifting rod 31 is connected to the upper surface of the base 1 vertically, and the driving assembly 32 is used to drive the lifting rod 31 to reciprocate along the direction of the upper surface of the vertical base 1 .

During the strength test, the driving assembly 32 is started, and the driving assembly 32 controls the lifting rod 31 to descend and contact the product 4 under test in the vertical direction (Z direction), that is, the existing falling ball is replaced by the structure of the lifting rod 31 .

As shown in Figure 1, in the embodiment of the present invention, the strength testing device also includes an information collection structure 5. The information collection structure 5 is provided on the third slider and is located on one side of the test structure 3. The information collection structure 5 is used to obtain The marking information of product 4 under test is sent to the control device.

For example, the information collection structure 5 is a camera, and mark information is set on the surface of the product 4 to be tested. The mark information is obtained through the camera and sent to the control device. The control device determines the type of the product 4 to be tested based on the current scan results, and then determines the type of the product 4 to be tested. Strength testing strategy, for example, determines the number of tests, the height of the test structure 3 and the location of the test points according to the type, thereby improving the automation of the test.

In the embodiment of the present invention, the strength testing device also includes a pressure detection structure 6 . The pressure detection structure 6 is provided on the surface of the product to be tested 4 and is used to obtain the pressure exerted by the test structure 3 . The obtained pressure information is sent to the control end, where it can be recorded or displayed in real time, and whether there is a secondary impact of the test structure 3 can also be determined based on the collected pressure information. For example, if a secondary impact occurs, the image will inevitably appear with two consecutive peaks, making the judgment operation easier and more accurate.

For example, the pressure sensing structure 6 includes a thin film strain gauge. Thin film strain gauges have the advantages of being suitable for multi-point testing, large measurement range, high testing accuracy and low cost.

The utility model provides a strength testing device. When in use, the three-dimensional moving component 2 drives the test structure 3 to move within the testing range. The three-dimensional moving component 2 can synchronously move the testing structure 3 to any position and device within the testing range. A fixed height to achieve full coverage testing; and, during the test, the lift rod 31 is used to simulate collision/impact by lowering the impact. When the test requirements are met, there is no need to perform operations such as catching and collecting the ball, so that the test results More accurate, and the testing process is safer and more reliable.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the present invention. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically limited.

The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present utility model. All are covered by the protection scope of this utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (9)

1. A strength testing device, characterized in that it includes a base (1), a three-dimensional moving component (2) and a test structure (3); The upper surface of the base (1) is provided with a detection position (11) for the product to be tested (4); The three-dimensional moving assembly (2) includes an X-moving module (21), a Y-moving module (22) and a Z-moving module (23). The Y-moving module (22) and the base The upper surface of (1) is connected to the Y-direction movement module (22) and includes a first slider. The X-direction movement module (21) is connected to the first slider. The X-direction movement module (21) is connected to the first slider. (21) includes a second slider, the Z-direction movement module (23) is connected to the second slider, the Z-direction movement module (23) includes a third slider, and the test structure (3) ) is connected to the third slider; The X direction and the Y direction are perpendicular to each other, the formed plane is parallel to the upper surface of the base (1), and the Z direction is perpendicular to the upper surface of the base (1). 2. The strength testing device according to claim 1, characterized in that two Y-direction moving modules (22) are provided on the upper surface of the base (1), and two Y-direction moving modules (22) are arranged in parallel and located on both sides of the detection position (11). The two ends of the X-direction moving module (21) are respectively connected to the two first sliders. 3. The strength testing device according to claim 2, characterized in that the X-direction movement module (21), the Y-direction movement module (22) and the Z-direction movement module (23) are all It is a linear screw module. 4. The strength testing device according to any one of claims 1 to 3, characterized in that the test structure (3) includes a lifting rod (31) and a driving assembly (32); One end of the lifting rod (31) is connected to the driving assembly (32), and the other end is a test end. The axis of the lifting rod (31) is perpendicular to the upper surface of the base (1), and the driving The assembly (32) is used to drive the lifting rod (31) to reciprocate in a direction perpendicular to the upper surface of the base (1). 5. The strength testing device according to any one of claims 1 to 3, characterized in that it also includes an information collection structure (5), the information collection structure (5) is provided on the third slider, And located on one side of the test structure (3), the information collection structure (5) is used to obtain the mark information of the product to be tested (4) and send it to the control device. 6. The strength testing device according to any one of claims 1 to 3, further comprising a pressure detection structure (6), the pressure detection structure (6) being provided on the product to be tested (4) surface, and is used to obtain the pressure exerted by the test structure (3). 7. The strength testing device according to claim 6, characterized in that the pressure detection structure (6) includes a film strain gauge. 8. The strength testing device according to any one of claims 1 to 3, characterized in that it also includes a limiting structure (7), and the limiting structure (7) is provided on the upper surface of the base (1). surface, and is located at the periphery of the detection position (11), used to limit the product to be tested (4). 9. The strength testing device according to claim 8, characterized in that the limiting structure (7) includes a connecting plate, and the connecting plate is detachably connected to the upper surface of the base (1); The upper surface of the base (1) is provided with a plurality of mounting positions (12) for the connecting plate, which are used to form limits for the products to be tested (4) of different sizes.