Efficient keyboard key testing machine

Abstract

The utility model discloses an efficient key testing machine. According to the technical scheme, the efficient keyboard key testing machine comprises a main body rack, a keyboard key testing mechanism and a keyboard jig fixing assembly, and the keyboard key testing mechanism comprises a testing assembly, an X-axis driving assembly, a Y-axis driving assembly and a Z-axis driving assembly. The X-axis driving assembly and the Y-axis driving assembly both adopt linear motor modules. Each linear motor module comprises a linear guide rail, a workbench, a drag chain, a buffer and a linear motor. The Y-axis driving assembly is fixed on a workbench of the X-axis driving assembly through a fixing block, the Z-axis driving assembly comprises a Z-axis servo motor, a Z-axis ball screw, a Z-axis linear guide rail and a guide rail sliding block, and the X-axis driving assembly and the Y-axis driving assembly are both linear motor modules, so that compared with the prior art, the X-axis driving assembly and the Y-axis driving assembly are higher in working speed, higher in sensitivity and higher in reliability. The tracking effect is better, the operation state is stable, the positioning precision is high, and the working noise is low.

Description

Technical Field

[0001] The utility model relates to the technical field of key testing, in particular to an efficient keyboard key testing machine. Background Art

[0002] A keyboard is a commonly used computer input device. Users input various instructions and data into the computer through the keyboard. Therefore, in the keyboard production process, in order to ensure the stable operation of the keyboard keys, it is essential to detect the keyboard keys. The applicant filed an application with the State Council Patent Administration on April 25, 2022, under the name of "A Multifunctional Key Testing Machine". This patent was authorized on September 23, 2022, with the authorization number CN 217484462U, effectively solving the defects of the traditional electromagnetic keyboard key testing machine, such as low automation, poor testing effect, and poor versatility. However, it still has a series of problems, such as relatively slow running speed, relatively low working efficiency, and the equipment hardware stability and software response speed still cannot meet the requirements of high-efficiency development. Therefore, a new technical solution should be provided to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a keyboard key testing machine with reasonable structure, fast running speed, high working efficiency, and good stability, aiming at the deficiencies in the prior art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An efficient keyboard key testing machine includes a main body frame, a keyboard key testing mechanism arranged above the main body frame, and a keyboard fixture fixing component arranged on the main body frame. The main body frame includes a working platform and a frame body arranged below the working platform and used to support the working platform. The working platform is provided with a test station seat A and a test station seat B. The keyboard key testing mechanism includes a testing component, an X-axis driving component used to drive the testing component to move in the X-axis direction, a Y-axis driving component used to drive the testing component to move in the Y-axis direction, and a Z-axis driving component used to drive the testing component to move in the Z-axis direction.

[0006] The testing component includes a test frame, and a plurality of pressure sensors are evenly installed at the lower end of the test frame.

[0007] Both the X-axis drive assembly and the Y-axis drive assembly adopt linear motor modules. The linear motor module includes a linear guide rail, a workbench, a drag chain, a buffer, and a linear motor. The Y-axis drive assembly is fixed to the workbench of the X-axis drive assembly through a fixing block. The Z-axis drive assembly includes a Z-axis servo motor, a Z-axis ball screw, a Z-axis linear guide rail, and a guide rail slider. The guide rail slider is slidably mounted on the Z-axis linear guide rail. The Z-axis servo motor drives the Z-axis ball screw to move. The moving nut on the Z-axis ball screw is fixedly connected to the guide rail slider. The upper end of the test frame is fixedly installed on the guide rail slider.

[0008] Keyboard fixture fixing components are provided on both the test station seat A and the test station seat B. The keyboard fixture fixing component includes parallel keyboard fixture placement bars and positioning pins for fixing the positions of the placement bars. A number of function detection boards are evenly installed inside the test station seat A and the test station seat B.

[0009] Further technical solution:

[0010] The test frame is an inverted T-shaped beam with reinforcing ribs.

[0011] The pressure sensor is connected to a data acquisition card, and the data acquisition card is connected to an industrial control computer. The function acquisition board inside the industrial control computer is a function acquisition board using network communication.

[0012] Even further technical solution,

[0013] Barcode scanners are installed above both the test station seat A and the test station seat B. The barcode scanners are installed on the main body frame through fixing rods. A three-color light and a display are also installed on the main body frame.

[0014] An efficient keyboard key tester provided by the present utility model has the following technical effects compared with the prior art:

[0015] 1. For the efficient keyboard key tester of the present utility model, both the X-axis drive assembly and the Y-axis drive assembly adopt linear motor modules. Compared with the existing linear module drive mechanism, the linear motor module has a faster working speed, higher sensitivity, better tracking effect, stable operating state, high positioning accuracy, and low working noise.

[0016] 2. For the efficient keyboard key tester of the present utility model, the function acquisition board inside the industrial control computer is an active trigger type function acquisition board using network communication. It directly communicates with the computer, has high communication efficiency and fast response speed, can improve the software calculation and operation speed, can meet the high-speed operation requirements of the drive assembly linear motor module, and the two cooperate to greatly improve the testing efficiency of the tester.

[0017] 3. The high-efficiency keyboard key testing machine of the present utility model has a test rack which is an inverted T-shaped beam with reinforcing ribs. Such a structural design improves the strength of the test assembly and the working stability as a whole, meeting the requirements of the high-speed operation of the key testing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic three-dimensional structure diagram of the present utility model.

[0020] Figure 2 It is a schematic front view structure diagram of the present utility model.

[0021] Figure 3 It is a schematic structure diagram of the keyboard testing mechanism of the present utility model.

[0022] Figure 4 It is a schematic mechanism diagram of the test assembly of the present utility model.

[0023] In the above drawings: 1. Main body frame, 1-1. Working platform, 1-2. Frame body, 2. Keyboard key testing mechanism, 2-1. Test assembly, 2-1-1. Test rack, 2-1-2. Pressure sensor, 2-2. X-axis drive assembly, 2-3. Y-axis drive assembly, 2-4. Z-axis drive assembly, 3. Keyboard fixture fixing assembly, 3-1. Keyboard fixture placement bar, 3-2. Positioning pin, 4. Function detection board, 5. Barcode scanner, 6. Three-color lamp, 7. Display, 8. Test station seat A, 9. Test station seat B. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described in detail below. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present utility model.

[0025] As the first embodiment of the present utility model, an efficient keyboard key testing machine of the present utility model includes a main body frame 1, a keyboard key testing mechanism 2 disposed above the main body frame 1, and a keyboard fixture fixing assembly 3 disposed on the main body frame 1. The main body frame 1 includes a working platform 1-1 and a frame body 1-2 disposed below the working platform and used for supporting the working platform 1-1. The working platform 1-1 is provided with a test station seat A8 and a test station seat B9. The keyboard key testing mechanism 2 includes a test component 2-1, an X-axis driving component 2-2 for driving the test component 2-1 to move in the X-axis direction, a Y-axis driving component 2-3 for driving the test component 2-1 to move in the Y-axis direction, and a Z-axis driving component 2-4 for driving the test component 2-1 to move in the Z-axis direction. The test component 2-1 includes a test frame 2-1-1, and a plurality of pressure sensors 2-1-2 are uniformly installed at the lower end of the test frame. Both the X-axis driving component 2-2 and the Y-axis driving component 2-3 adopt linear motor modules, and the linear motor module includes a linear guide rail, a workbench, a drag chain, a buffer, and a linear motor; the Y-axis driving component 2-3 is fixed to the workbench of the X-axis driving component 2-2 through a fixing block. The Z-axis driving component 2-4 includes a Z-axis servo motor, a Z-axis ball screw, a Z-axis linear guide rail, and a guide rail slider. The guide rail slider is slidably installed on the Z-axis linear guide rail. The Z-axis servo motor drives the Z-axis ball screw to move, and the moving nut on the Z-axis ball screw is fixedly connected to the guide rail slider. The upper end of the test frame 2-1-1 is fixedly installed on the guide rail slider; the test component 2-1 performs three-dimensional movement under the drive of the X-axis driving component 2-2, the Y-axis driving component 2-3, and the Z-axis driving component 2-4. The keyboard fixture fixing assembly 3 is provided on both the test station seat A8 and the test station seat B9. The keyboard fixture fixing assembly includes parallel keyboard fixture placement strips 3-1 and positioning pins 3-2 for fixing the positions of the placement strips 3-1. A plurality of function detection boards 4 are uniformly installed inside the test station seat A and the test station seat B. In this embodiment, setting two groups of test station seats can test 6 keyboards simultaneously, saving the loading and unloading time and improving the production capacity.

[0026] Preferably, as the second embodiment of the present utility model, this embodiment is a further improvement of the first embodiment. The test frame 2-1-1 is an inverted T-shaped beam with reinforcing ribs. Such a structural design improves the strength and working stability of the test component as a whole, meeting the requirements of the key testing machine for high-speed operation.

[0027] Preferably, as the third embodiment of the present utility model, this embodiment is also a further improvement of the first embodiment. The pressure sensor 2-1-2 is connected to a data acquisition card, and the data acquisition card is connected to an industrial control computer. The function acquisition board inside the industrial control computer is an active trigger type function acquisition board using network communication, which directly communicates with the computer. It has high communication efficiency and fast response speed, can improve the software calculation and operation speed, and can meet the high-speed operation requirements of the driving component linear motor module. The cooperation between the two greatly improves the testing efficiency of the testing machine, and can increase the detection speed of the large keyboard from 12.7 s / pcs to 10 s / pcs.

[0028] Preferably, as the fourth embodiment of the present utility model, this embodiment is a further improvement of the above embodiment. Barcode scanners 5 are installed above both the test station seat A8 and the test station seat B9. The barcode scanners 5 are installed on the main body frame 1 through fixing rods. A three-color light 6 and a display 7 are also installed on the main body frame 1 to reflect the real-time status of the user's machine during the operation of the machine, facilitating visual management by personnel.

[0029] The working process and principle of the keyboard key testing machine of the present utility model are as follows:

[0030] When using this device, first load the keyboard to be detected onto the test station seat, and then move the detection frame test frame 2-1-1 to the test station seat. The pressure sensor 2-1-2 obtains pressure data after pressing the key by its own weight. The pressure sensor 2-1-2 is connected to a data acquisition card, and the data acquisition card transmits the pressure data in the pressure sensor 2-1-2 to the industrial control computer after collection. The industrial control computer generates a pressure curve from the collected data and performs data analysis to determine whether the feel of the key is qualified; when the pressure sensor presses down, the key is turned on by the weight of the pressure sensor, and the function test board 4 transmits the collected information to the upper processor of the industrial control computer. The upper processor processes the transmitted signal and compares it with the electrical specification parameters of the product to determine whether the key function is qualified based on whether it is within the parameter range. It can also output the test data on the display interface according to requirements. The results of the pressure detection step and the function detection step are combined to comprehensively determine whether the keyboard meets the standard. The barcode scanner 5 collects the product barcode information and transmits it to the upper processor, and the upper processor uploads the test data and results of the key product to the customer system according to the customer's needs to realize real-time control of the production process. In addition, components such as the emergency stop button, pause button, motion module anti-collision sensor, and fixture anti-collision optical fiber provided on the frame for assisting the safe operation of the machine are all prior arts and have not been specially improved, so no detailed description is given in this embodiment.

[0031] 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 skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims described above.

Claims

1. An efficient keyboard key tester, comprising a main frame (1), a keyboard key test mechanism (2) arranged above the main frame (1), and a keyboard fixture fixing assembly (3) arranged on the main frame (1), wherein the main frame (1) comprises a working platform (1-1) and a frame (1-2) arranged below the working platform and used to support the working platform (1-1), the working platform (1-1) is provided with a test station seat A (8) and a test station seat B (9), the keyboard key test mechanism (2) comprises a test assembly (2-1), an X-axis driving assembly (2-2) for driving the test assembly (2-1) to move in an X-axis direction, a Y-axis driving assembly (2-3) for driving the test assembly (2-1) to move in a Y-axis direction, and a Z-axis driving assembly (2-4) for driving the test assembly (2-1) to move in a Z-axis direction, characterized in that: The test assembly (2-1) comprises a test frame (2-1-1), and a plurality of pressure sensors (2-1-2) are evenly mounted at the lower end of the test frame. The X-axis drive assembly (2-2) and the Y-axis drive assembly (2-3) both use a linear motor module, and the linear motor module includes a linear guide rail, a workbench, a drag chain, a buffer, and a linear motor; the Y-axis drive assembly (2-3) is fixed on the workbench of the X-axis drive assembly (2-2) through a fixed block, and the Z-axis drive assembly (2-4) includes a Z-axis servo motor, a Z-axis ball screw, a Z-axis linear guide rail, and a guide rail slider; the guide rail slider is slidably mounted on the Z-axis linear guide rail, the Z-axis servo motor drives the Z-axis ball screw to move, and the moving nut on the Z-axis ball screw is fixedly connected to the guide rail slider, and the upper end of the test frame (2-1-1) is fixedly mounted on the guide rail slider; The test station seat A (8) and the test station seat B (9) are both provided with a keyboard jig fixing assembly (3), the keyboard jig fixing assembly comprising keyboard jig placement bars (3-1) arranged in parallel and positioning pins (3-2) for fixing the positions of the placement bars, and a plurality of function detection boards (4) are evenly installed inside the test station seat A and the test station seat B.

2. The high-efficiency keyboard key tester according to claim 1, characterized in that: The test frame (2-1-1) is an inverted T-shaped beam with reinforcement ribs.

3. An efficient keyboard key tester according to claim 1 or 2, characterized in that: The pressure sensor (2-1-2) is connected to a data acquisition card, and the data acquisition card is connected to an industrial computer. The function acquisition board inside the industrial computer is a function acquisition board that uses network port communication.

4. The high-efficiency keyboard key tester according to claim 3, characterized in that: A barcode scanner (5) is installed above the test station seat A (8) and the test station seat B (9). The barcode scanner (5) is installed on the main frame (1) through a fixing rod. A three-color lamp (6) and a display (7) are also installed on the main frame (1).

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