Mobile terminal detection device

Abstract

The present application provides a mobile terminal detection device, which includes a support table for supporting a mobile terminal to be detected, and also includes a clamping device for applying pressure to the mobile terminal to be detected, and the clamping device includes a pressure head for clamping the screen of the mobile terminal to be detected. It also includes a first driving device for applying force to the pressure head, and the first driving device drives the pressure head to be pressed against the screen to apply force to the screen. In order to simulate the application of force at different angles, the clamping device also includes an angle adjustment device, which is respectively connected to the first driving device and the pressure head for rotation and is used to adjust the direction of the force applied to the pressure head by the first driving device. When in use, by adjusting the angle adjustment device, the relative inclination angle between the pressure head and the first driving device is adjusted to change the force applied by the pressure head to the screen, so as to better simulate the situation where the screen is squeezed in the display scene and improve the accuracy of screen detection.

Description

Technical Field

[0001] The present application relates to the field of mobile terminal production, and in particular to a mobile terminal detection device. Background Art

[0002] When using a tablet / notebook, users may accidentally press the screen, resulting in irreversible regular red and blue spots, and in severe cases, broken bright spots will be produced, causing damage to the tablet / notebook. In order to test the pressure resistance of the screen in the prior art, it is necessary to use special equipment to simulate the squeezing of the screen. However, during the detection, the equipment in the prior art relies on an ordinary columnar pressure head to squeeze the screen in the vertical direction. The advantage of this detection method is simplicity, but the device cannot simulate different angles, different frequencies, and different holding times of the user, and the randomness is not strong. It is impossible to truly detect the squeezing scene of the screen during application, and the detection effect is relatively poor. Summary of the invention

[0003] The present application provides a mobile terminal detection device for improving the effect of mobile terminal detection.

[0004] In the first aspect, a mobile terminal detection device is provided, which includes a support table for supporting a mobile terminal to be detected, and also includes a clamping device for applying pressure to the mobile terminal to be detected, the clamping device includes a pressure head, and the pressure head is used to clamp the screen of the mobile terminal to be detected. It also includes a first driving device for applying force to the pressure head, and the first driving device drives the pressure head to be pressed against the screen to apply force to the screen. In addition, in order to simulate the application of force at different angles, the clamping device also includes an angle adjustment device, which is respectively connected to the first driving device and the pressure head and is used to adjust the direction of the force applied to the pressure head by the first driving device. When in use, by adjusting the angle adjustment device, the relative tilt angle between the pressure head and the first driving device is adjusted to change the force applied to the screen by the pressure head, so as to better simulate the situation where the screen is squeezed in the display scene and improve the accuracy of screen detection.

[0005] When the angle adjustment device is specifically provided, the angle adjustment device includes a push rod, one end of which is rotatably connected to the first driving device, and the other end of which is rotatably connected to the pressure head; and a second driving device that drives the push rod to rotate relative to the first driving device. The push rod is driven to rotate by the second driving device, thereby adjusting the inclination angle between the pressure head and the first driving device.

[0006] When driving the push rod to rotate, different structures can be used. For example, in a specific embodiment, the second driving device is a stepper motor fixedly mounted on the first driving device, and the output shaft of the stepper motor is fixedly connected to the push rod. Alternatively, other methods can be used, such as a driving motor driving a reduction box, or a cylinder or a hydraulic cylinder driving a rack, and the rack driving a gear to rotate, and the gear is fixedly connected to the push rod, etc.

[0007] In addition, in order to ensure that the pressure head can still be pressed flat on the screen after the pressure head is adjusted, the detection device also includes a pressure head adjustment component, which is used to adjust the angle of the pressure plate, and the structure it includes is: a first pulley and a synchronous belt sleeved on the first pulley. The two ends of the synchronous belt are respectively fixedly connected to the pressure head; wherein the first pulley is rotationally connected to the first driving device; of course, a third driving device that drives the first pulley to rotate is also included. The pressure head is adjusted by the set pressure head adjustment component so that after adjusting the inclination angle of the pressure head relative to the first driving device, it can still be stably pressed against the screen.

[0008] The third driving device is a driving motor, the output shaft of which is coaxially arranged with the first pulley, and the first pulley is driven to rotate by the driving end motor.

[0009] In the specific configuration, a camera device for photographing the squeezed screen is also included, and the sub-pixels on the squeezed screen are collected by the configured camera device.

[0010] In a specific embodiment, the mobile terminal detection device further includes a bracket, and a position adjustment device disposed on the bracket and used to adjust the position of the first driving device. The first driving device is supported by the bracket. The position of the first driving device is adjusted by the position adjustment device, which may be a mechanical arm or any known structure capable of adjusting the position.

[0011] The first driving device includes a cylinder or a hydraulic cylinder fixed to the position adjustment device, and a connecting seat connected to the piston rod of the cylinder or the hydraulic cylinder; the angle adjustment device is rotatably connected to the connecting seat. The pressure head is driven to move by the provided cylinder or hydraulic cylinder.

[0012] When the support platform is specifically set, the support platform includes a lifting platform, a support frame that can rotate relative to the lifting platform, and a rotating device set on the lifting platform and used to drive the support frame to rotate. Through the cooperation of the lifting platform and the rotating device, the mobile terminal can be adjusted to be placed at different heights and angles.

[0013] In a specific solution, it also includes a detachable base disposed on the support frame, the base being used to support the detected mobile terminal. The base is provided to simulate different environments to improve the detection effect.

[0014] In a specific embodiment, the substrate can be a cushion, marble, wood board, steel platform or other different structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of a broken mobile terminal screen;

[0016] Figure 2 A schematic diagram of the structure of a mobile terminal detection device provided in an embodiment of the present application;

[0017] Figure 3 A schematic diagram of the cooperation between the pressure head and the mobile terminal provided in the embodiment of the present application;

[0018] Figure 4 A schematic diagram of the cooperation between the pressure head and the mobile terminal provided in the embodiment of the present application;

[0019] Figure 5 A schematic diagram of the cooperation between the pressure head and the mobile terminal provided in the embodiment of the present application;

[0020] Figure 6 A schematic diagram of the structure of the support frame provided in the embodiment of the present application;

[0021] Figure 7 A schematic diagram of a mobile terminal after detection by a mobile terminal detection device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0022] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings.

[0023] In order to facilitate understanding of the mobile terminal detection device provided in the embodiment of the present application, its application is first described. The mobile terminal detection device is used to test the screen of the mobile terminal, and simulates the scene where the screen of the mobile terminal is affected by external forces when in use by applying forces in different directions. The mobile terminal can be a common mobile terminal such as a mobile phone and a tablet computer. When the screen is subjected to horizontal force, the screen of the mobile terminal is damaged. Figure 1As shown in , the screen includes a first substrate 10 and a second substrate 20, and also includes a sub-pixel unit 30 arranged between the first substrate 10 and the second substrate 20. When the sub-pixel unit 30 is subjected to a horizontal external force, squeezing occurs between the sub-pixel units 30, which will cause red-blue spots to appear on the display screen, causing damage to the screen. Therefore, when testing the screen, in order to detect the force condition when the screen is damaged, the detection equipment needs to provide a horizontal external force to detect the screen. The mobile terminal detection equipment provided in the embodiment of the present application is described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 2 As shown, Figure 2 The mobile terminal detection device provided in the embodiment of the present application mainly includes two structural parts, one is a support table for fixing and supporting the mobile terminal 6, and the other is a clamping device for applying force.

[0025] First, regarding the support platform, the support platform is used to support the mobile terminal 6. When the support platform is specifically set, different structures can be used to support the mobile terminal 6. For example, in a specific embodiment, refer to Figure 2 As shown in the structure, the support platform includes a lifting platform 4 and a support frame 13 for supporting the mobile terminal 6. The lifting platform 4 can be lifted and lowered in the vertical direction, and its specific structure may include a hydraulic cylinder or a pneumatic cylinder, and a support plate connected to the piston rod of the hydraulic cylinder or the pneumatic cylinder. Of course, other structures capable of lifting and lowering can also be used to achieve the lifting and lowering function, such as a gear rack assembly or a lead screw assembly.

[0026] The support frame 13 of the support platform can rotate relative to the lifting platform 4 when it is set. The support frame 13 is set on the top of the lifting platform 4 and can rotate relative to the lifting platform 4. When the support frame 13 rotates relative to the lifting platform 4, it can also be achieved in different ways, such as Figure 2 As shown in , the support platform may further include a rotating device 5, which is fixedly arranged on the lifting platform 4 and can drive the support frame 13 to rotate. When the rotating device 5 is specifically arranged, the rotating device 5 may be a motor, the output shaft of which is fixedly connected to the support frame 13, and when the output shaft of the motor rotates, the motor drives the support frame 13 to rotate. Alternatively, the rotating device 5 may also include a motor and a reducer connected to the motor, and the output shaft of the reducer is fixedly connected to the support frame 13. Of course, in addition to the rotating device 5 listed above, the rotating device 5 may also adopt other existing methods to realize the rotation of the support frame 13.

[0027] In addition to the above-mentioned method of not directly connecting the support frame 13 to the lifting platform 4, the support frame 13 can also be rotated relative to the lifting platform 4 by connecting one end of the support frame 13 to the lifting platform 4. When driving the support frame 13 to rotate, it is achieved by setting a hydraulic cylinder or a pneumatic cylinder. At this time, the cylinder body of the hydraulic cylinder or the cylinder is hinged to the lifting platform 4, and the piston rod of the pneumatic cylinder or the hydraulic cylinder is hinged to the support frame 13. When the piston rod is extended or retracted, the support frame 13 is driven to rotate relative to the lifting platform 4.

[0028] It should be understood that no matter which of the above connection methods is adopted, when the support frame 13 rotates relative to the lifting platform 4, the angle of the mobile terminal 6 supported by the support frame 13 can be adjusted. Of course, the above only lists several specific implementation methods that can adjust the angle and height of the mobile terminal 6, and any other solution that can adjust the angle and height of the mobile terminal 6 can also be applied to the embodiments of the present application.

[0029] In addition, in order to facilitate the movement of the support platform, the detection equipment is provided with a slide rail 2, and the lifting platform 4 of the support platform is slidably assembled on the slide rail 2 and can be locked in a set position.

[0030] When the mobile terminal 6 is placed on the support frame 13 for testing, the pressing device will press against the screen of the mobile terminal 6, and the pressing force applied by the pressing device will be transmitted to the support frame 13. In order to simulate the pressing conditions in different scenarios, when setting the support table, a base 12 is detachably connected to the support frame 13, and the base 12 is located below the mobile terminal 6 and supports the mobile terminal 6. Figure 6 As shown, Figure 6 A specific implementation method is shown in Figure 6 In the structure shown, the support frame 13 includes a circular support plate 131 and four support legs 132 arranged around the support plate 131; each support leg 132 is provided with a receiving groove, and the base 12 is directly placed in the receiving groove, or some card slots can be provided on the support frame 13, and the base 12 is directly mounted on the support frame 13. However, no matter which of the above methods is used, it should be ensured that when the mobile terminal 6 is fixed to the support frame 13, the back of the mobile terminal 6 completely falls on the base 12, so as to ensure that the scene when the mobile terminal 6 is placed on different materials can be truly simulated during detection. In addition, with regard to the structure of the support frame 13, Figure 6 Only one specific implementation is illustrated, and other implementations may be used. In addition, the substrate 12 may be made of different materials, such as a cushion, marble, wood, steel platform, etc. The substrate 12 made of different materials is used to simulate the mobile terminal 6 in different scenes to ensure the accuracy of the detection.

[0031] For the support platform structure provided in the embodiment of the present application, in addition to the structure mentioned above, other structural forms can also be adopted, such as the support platform is only a solid platform body, which can be a round platform, a square platform, etc. When in use, the mobile terminal 6 can be directly placed on the support platform for fixing. Of course, when adopting this structure, a base 12 can also be provided to simulate different scenes.

[0032] After the mobile terminal 6 is fixed on the support platform, a pressing device is required to press the screen of the mobile terminal 6 to simulate the scene of the screen being pressed. The pressing device includes a first driving device 8 and a pressing head 11, wherein the pressing head 11 is used to press the screen of the mobile terminal 6 being tested. The first driving device 8 is used to drive the pressing head 11 to press against the screen. In the specific implementation, Figure 2 As shown in Figure 2 A specific implementation of the clamping device is shown. The first drive device 8 is arranged on a bracket 1, and the bracket 1 is an inverted L-shaped structure. The first drive device 8 is arranged on the crossbeam of the bracket 1, and the first drive device 8 can realize movement in the vertical direction. If the first drive device 8 is a hydraulic cylinder or a pneumatic cylinder, the piston rod of the hydraulic cylinder or the pneumatic cylinder can drive the pressure head 11 to press downward.

[0033] Continue to refer Figure 2 , the bracket 1 is connected with a position adjustment device for adjusting the position of the first drive device 8, so that the pressure head 11 can be driven to squeeze different positions on the screen. The position adjustment device can be of different structures. For example, in a specific embodiment, the position adjustment device includes a first slide rail and a second slide rail, wherein the first slide rail is fixedly connected to the crossbeam of the bracket 1, the second slide rail is slidably assembled on the first slide rail, and the first drive device 8 is slidably assembled on the second slide rail. Among them, the length direction of the first slide rail is perpendicular to the length direction of the second slide rail, so that the first drive device 8 can be adjusted to different positions on the horizontal plane. Of course, in addition to the above-mentioned first slide rail and second slide rail, the structure of the first linear motor and the second linear motor can also be adopted. At this time, the first linear motor is fixedly connected to the bracket 1, the second linear motor is connected to the first linear motor, and the first drive device 8 is connected to the second linear motor, which can also achieve the effect of adjusting the first drive device 8 on the horizontal plane. For the position adjustment device provided in the embodiment of the present application, in addition to the two specific schemes listed above, other schemes can also be adopted to adjust the position of the first drive device 8.

[0034] In addition to the above-mentioned cooperation between the bracket 1 and the position adjustment device to adjust the position of the first drive device 8, other structural forms can also be used, such as using a mechanical arm to support the first drive device 8, in which case the position of the first drive device 8 can be adjusted by the movement of the mechanical arm. Or as a variation, the first drive device 8 is fixed, and the support table is used to move to adjust the position of the mobile terminal 6. At this time, the support table is slidably assembled on a slide rail, and the slide rail is similar to the above-mentioned structure including the first slide rail and the second slide rail, so as to adjust the relative position of the mobile terminal 6 and the first drive device 8. Of course, other methods can also be used to achieve this, such as the first drive device 8 and the support table can both slide, in which case the first drive device 8 slides along the first direction, and the support table slides along the second direction, and the first direction and the second direction are both in the horizontal plane and are perpendicular to each other.

[0035] When the first drive device 8 drives the pressure head 11 to press down, an angle adjustment device is used. The angle adjustment device is rotatably connected to the first drive device 8 and the pressure head 11 respectively and is used to adjust the direction of the force applied by the first drive device 8 to the pressure head 11. When the angle adjustment device is connected to the first drive device 8, it is specifically rotatably connected to a connecting seat connected to the piston rod of the hydraulic cylinder or the air cylinder. When the angle adjustment device is specifically set, it is used to adjust the angle of the pressure head 11 relative to the first drive device 8. Figure 2 As shown in , the angle adjustment device includes a push rod 10, one end of which is rotatably connected to the first drive device 8, specifically, rotatably connected to the connecting seat in the first drive device 8, and the other end of the push rod 10 is rotatably connected to the pressure head 11. Therefore, when the push rod 10 rotates, the pressure head 11 is driven to rotate relative to the first drive device 8, thereby adjusting the pressure head 11 relative to the first drive device 8. When in use, the first drive device 8 can only provide a vertical downward force, and the force applied by the first drive device 8 is transmitted to the pressure head 11 through the push rod 10. Since the push rod 10 is a straight rod, the direction of the force it provides extends along the length direction of the straight rod. When the pressure head 11 is applied to the screen, the pressure head 11 presses against the screen. Since there is a certain angle between the push rod 10 and the screen, the force applied to the pressure head 11 is also at a certain tilt angle, that is, the vertical force provided by the first driving device 8 is changed into a force with a horizontal direction and a vertical direction through the angle adjustment device, so that the force applied to the screen in the real scene can be more accurately simulated. Figure 3 and Figure 4 As shown, Figure 3 and Figure 4 The figures show the force exerted by the pressure head on the screen when the push rod 10 is at different angles. Figure 3 First refer to Figure 3 ,exist Figure 3In the structure shown, the push rod 10 is arranged vertically. At this time, the force exerted by the pressure head on the screen is a vertical force. Figure 4 In the figure, the angle between the push rod 10 and the vertical plane is α, the force applied by the first driving device 8 is F, and the direction of F is along the push rod 10. Then, the force applied by the pressure head 11 to the screen includes a vertical component F1=Fsinα and a horizontal component F2=Fcosα. Of course, when the push rod 10 is tilted relative to the screen, the rotating device 5 can also be used to achieve it. Figure 5 As shown in , the support frame 13 is rotated by the rotating device 5, so that the mobile terminal 6 is tilted, and at the same time, the push rod 10 is also tilted relative to the vertical plane, so that the force applied by the pressure head to the mobile terminal can generate more horizontal components.

[0036] When the push rod 10 is rotated, it is realized by the second driving device of the angle adjustment device, and the second driving device is used to drive the push rod 10 to rotate relative to the first driving device 8, thereby driving the pressure head 11 to rotate. When the second driving device is specifically set, different structures can be adopted. For example, in a specific embodiment, the second driving device is a stepper motor fixedly set on the first driving device 8, and the output shaft of the stepper motor is fixedly connected to the push rod 10. When the second driving device is specifically set, the second driving device is set on the connecting seat of the first driving device 8, and the push rod 10 is rotatably connected to the first driving device 8 through the stepper motor. In addition, the second driving device can also adopt other methods such as a drive motor driving a reduction box, or a cylinder or a hydraulic cylinder driving a rack, and the rack drives the gear to rotate, and the gear is fixedly connected to the push rod 10, etc. All of them can achieve the effect of driving the push rod 10 to rotate.

[0037] When the pressure head 11 is pressed onto the screen, the pressure head 11 has a pressing surface, which fits with the screen. However, when the pressure head 11 is rotationally connected to the angle adjustment device, the pressing surface of the pressure head 11 cannot be guaranteed to always face the screen. In order to ensure that the pressing surface of the pressure head 11 is always facing the screen, and when the push rod 10 rotates, the pressing surface of the pressure head 11 is still facing the screen, a pressure head adjustment component is provided, which is used to synchronously drive the pressure head 11 to rotate in the opposite direction when the push rod 10 rotates, so as to ensure that the pressing surface of the pressure head 11 is always facing the screen. When the pressure head adjustment component is specifically set, the structure included is: a first pulley 9 and a synchronous belt 3 mounted on the first pulley 9. The two ends of the synchronous belt 3 are respectively fixedly connected to the pressure head 11; wherein the first pulley 9 is rotationally connected to the first drive device 8; and also includes a third drive device that drives the first pulley 9 to rotate. Reference Figure 2 The structure shown in Figure 2It can be seen that when the pressure head adjustment assembly is set, the first pulley 9 is rotatably connected to the second driving device. Of course, the first pulley 9 can also be rotatably connected to the push rod 10. However, no matter which method is used, the axis of the first pulley 9 intersects with the axis of the push rod 10. In addition, when the synchronous belt 3 is set, Figure 2 As shown in , the positions where the two ends of the synchronous belt 3 are connected to the pressure head 11 are arranged on both sides of the push rod 10. When in use, after the second driving device drives the push rod 10 to rotate a certain angle, the third driving device drives the first pulley 9 to rotate in the opposite direction (opposite to the rotation direction of the push rod 10). At this time, the synchronous belt 3 drives the pressure head 11 to rotate in the opposite direction by the same angle to offset the inclination of the pressing surface caused by the rotation of the push rod 10, so that the pressing surface can always remain facing the screen. If the push rod 10 rotates 10°, the pressure head adjustment assembly drives the pressure head 11 to rotate -10°. In short, it is sufficient to ensure that the angle of rotation of the push rod 10 is always equal to the angle of rotation of the pressure head 11 and the rotation direction is opposite.

[0038] Of course, in addition to the above-mentioned pressure head 11 adjustment assembly, other methods can also be used, such as using a first pulley 9 and a second pulley. At this time, the first pulley 9 is rotatably connected to the push rod 10 or the second driving device, and the second pulley is fixedly connected to the pressure head 11. The synchronous belt 3 is mounted on the first pulley 9 and the second pulley, which can also drive the pressure head 11 to rotate.

[0039] When using the above-mentioned device for detection, the direction of the pressing force is adjusted by adjusting the push rod 10, and the direction of the force can also be changed by the direction of the screen of the mobile terminal 6. For example, the mobile terminal 6 is moved downward by the lifting platform 4, and then the mobile terminal 6 is rotated by the rotating device 5 to adjust to the required angle, and then it is raised to the original position by the lifting platform 4. After the mobile terminal 6 is adjusted, the angle of rotation of the push rod 10 is adjusted, and at the same time, the pressing surface on the pressure head 11 is adjusted to be parallel to the screen by the pressure head 11 adjustment component. Then, the pressure head 11 is driven to press down by the first driving device 8, so as to simulate the effect of forces applied to the screen in different directions. After the force is applied, the situation of the sub-pixels on the screen being squeezed is photographed by the camera device 7 to obtain the detection result, and the camera device 7 can be a microscope. When the microscope is specifically set, the microscope is also connected to the bracket 1 or the mechanical arm. When in use, the pressure head 11 is removed, and the microscope is moved to the squeezed position on the screen for shooting.

[0040] In order to facilitate understanding of the mobile terminal 6 detection device provided in the embodiment of the present application, Figure 2 The structure shown in FIG. 1 is used as an example to describe in detail the process of detecting the mobile terminal 6. Figure 2As shown in , the mobile terminal 6 is fixed on the support frame 13, and a base 12, such as marble, is set on the support frame 13. After the mobile terminal 6 is placed on the base 12, the rotating device 5 is used to rotate to adjust the angle of the mobile terminal 6, and the height of the mobile terminal 6 is adjusted by the lifting platform 4, so that the mobile terminal 6 is located below the pressure head 11. After that, the angle of the pressure head 11 is adjusted by the angle adjustment device. After the angle is adjusted, the first driving device 8 is controlled to drive the pressure head 11 to press down, so that the pressure head 11 is pressed against the mobile terminal 6, and pressure is applied to the pressure head 11 by the first driving device 8 to squeeze the screen of the mobile terminal 6. For reference Figure 4 When the force provided by the first driving device 8 to the pressure head 11 is F, a horizontal pressure F1 is generated, and the pixels on the screen are squeezed by F1. After the simulated squeezing is completed, the pressure head 11 is driven to rise by the first driving device 8, and the pressure head 11 is moved away by the set position adjustment device, and the camera device 7 is moved to the position where the pressure head 11 squeezed before to take pictures, and it is determined whether the red-blue spot 61 appears based on the photographed photos. If it appears, Figure 7 In the case shown in , it is determined that the red-blue spot 61 appears.

[0041] It can be seen from the above description that the mobile terminal detection device provided in the embodiment of the present application can adjust the direction of the force applied by the pressure head 11 to the screen according to the detection requirements, thereby simulating the effect of the screen being pressed in different environments, thereby improving the detection accuracy.

[0042] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A mobile terminal detection device, characterized in that: include: A support platform, used for supporting the mobile terminal to be detected; A pressing head, used to press the screen of the mobile terminal being tested; the pressing head has a pressing surface, and the pressing surface is used to fit with the screen of the mobile terminal; A first driving device, used for driving the pressing head to press against the screen; An angle adjustment device, rotatably connected to the first drive device and the pressure head respectively and used to adjust the direction of the force applied by the first drive device to the pressure head; The angle adjustment device includes a push rod, a second drive device and a pressure head adjustment assembly, one end of the push rod is rotatably connected to the first drive device, the other end of the push rod is rotatably connected to the pressure head, the second drive device is used to drive the push rod to rotate relative to the first drive device, and the pressure head adjustment assembly is used to synchronously drive the pressure head to rotate in the opposite direction when the push rod rotates, so that the pressing surface of the pressure head faces the screen of the mobile terminal.

2. The mobile terminal detection device according to claim 1, characterized in that: The second driving device is a stepping motor fixedly arranged on the first driving device, and the output shaft of the stepping motor is fixedly connected to the push rod.

3. The mobile terminal detection device according to claim 1 or 2, characterized in that: The pressure head adjustment assembly includes a first pulley and a synchronous belt sleeved on the first pulley, and both ends of the synchronous belt are fixedly connected to the pressure head respectively; wherein the first pulley is rotatably connected to the first driving device; Also included is a third driving device for driving the first pulley to rotate.

4. The mobile terminal detection device according to claim 3, characterized in that: The third driving device is a driving motor, and the output shaft of the driving motor is coaxially arranged with the first pulley.

5. The mobile terminal detection device according to claim 1, characterized in that: Also included is a camera device for photographing the squeezed screen.

6. The mobile terminal detection device according to any one of claims 1 to 5, characterized in that: It also includes a bracket and a position adjustment device which is arranged on the bracket and is used to adjust the position of the first driving device.

7. The mobile terminal detection device according to claim 6, characterized in that: The first driving device comprises an air cylinder or a hydraulic cylinder fixed to the position adjusting device, and a connecting seat connected to the piston rod of the air cylinder or the hydraulic cylinder; the angle adjusting device is rotatably connected to the connecting seat.

8. The mobile terminal detection device according to any one of claims 1 to 7, characterized in that: The support platform comprises a lifting platform, a support frame which can rotate relative to the lifting platform, and a rotating device which is arranged on the lifting platform and is used to drive the support frame to rotate.

9. The mobile terminal detection device according to claim 8, characterized in that: It also includes a detachable base disposed on the support frame, and the base is used to support the detected mobile terminal.

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