Flexible screen installation auxiliary device

Abstract

The utility model provides a flexible screen installation auxiliary device. The flexible screen installation auxiliary device comprises a device frame; the screen adsorption assembly is arranged on the device frame, and the screen adsorption assembly comprises a plurality of adsorption parts which are uniformly distributed in the same plane so as to adsorb the flexible screen; the structural part fixing assembly is arranged on the device frame, and the structural part fixing assembly and the screen adsorption assembly are oppositely arranged; the screen lifting assembly is arranged on the device frame and used for driving the screen adsorption assembly to ascend and descend; and the structural part lifting assembly is arranged on the device frame and used for driving the structural part fixing assembly to ascend and descend, and due to the fact that adsorption of the flexible screen is achieved through the multiple adsorption parts evenly distributed in the same plane, the flatness of the flexible screen is improved, and a better installation effect is achieved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of display, and relates to a flexible display technology, in particular to an auxiliary device for mounting a flexible screen. BACKGROUND

[0002] A flexible display refers to a display with a bendable screen. Compared with a rigid screen, the flexible display can provide a larger display area while maintaining the portability of the device. It should be noted that the installation process of the flexible display requires accurate mounting and fixing of the flexible screen to a structural member including an electrical connection structure.

[0003] Due to the instability of human operation, in the prior art, the flexible screen is usually fixed by vacuum adsorption, magnetic adsorption or electrostatic adsorption to facilitate the installation and fixation of the flexible screen to the structural member. However, these adsorption methods cannot accurately control the size of the adsorption force applied to different parts of the flexible screen, which can easily cause uneven stress on the surface of the flexible screen, resulting in bending and deformation of the flexible screen, and thus affecting the installation effect of the display. SUMMARY

[0004] The present application aims to provide an auxiliary device for mounting a flexible screen to solve the problem in the prior art that the existing adsorption and fixation method can easily cause uneven stress on the surface of the flexible screen, resulting in bending and deformation of the flexible screen, and thus affecting the installation effect of the display.

[0005] In a first aspect, the present application provides an auxiliary device for mounting a flexible screen, comprising:

[0006] a device frame;

[0007] a screen adsorption assembly arranged on the device frame, the screen adsorption assembly comprising a plurality of adsorption members uniformly distributed in the same plane to adsorb the flexible screen;

[0008] a structural member fixing assembly arranged on the device frame, the structural member fixing assembly being arranged opposite to the screen adsorption assembly;

[0009] a screen lifting assembly arranged on the device frame to drive the lifting of the screen adsorption assembly;

[0010] a structural member lifting assembly arranged on the device frame to drive the lifting of the structural member fixing assembly.

[0011] In an embodiment of the present application, a pre-pressing member is further included, and a side of the pre-pressing member in contact with the flexible screen is a smooth plane to flatten the flexible screen.

[0012] In an embodiment of the present application, a limiting member is arranged on the device frame and located at the edge of the screen suction assembly, the limiting member has a preset height, and the height of the upper surface of the limiting member is greater than or equal to the height of the upper surface of the flexible screen.

[0013] In an embodiment of the present application, the suction members are vacuum suction cups, and each vacuum suction cup is connected to the same vacuum pump.

[0014] In an embodiment of the present application, the screen lifting assembly is a pneumatic cylinder lifting assembly.

[0015] In an embodiment of the present application, the structure lifting assembly is an electric cylinder lifting assembly.

[0016] In an embodiment of the present application, the structure fixing assembly includes an electromagnet suction cup.

[0017] In an embodiment of the present application, a control unit is further included, which is in communication connection with the screen suction assembly, the structure fixing assembly, the screen lifting assembly, and the structure lifting assembly.

[0018] In an embodiment of the present application, a visual sensor is further included, which is arranged on the device frame and located at the edge of the screen suction assembly and in communication connection with the control unit.

[0019] In an embodiment of the present application, a pressure sensor is further included, which is arranged between the structure fixing assembly and the structure lifting assembly and in communication connection with the control unit.

[0020] As described above, the present application provides a flexible screen installation auxiliary device, which can uniformly distribute a plurality of suction members in the same plane to suck the flexible screen. Since the suction members are uniformly distributed, the suction force is uniformly distributed on the surface of the flexible screen, the degree of bending deformation of the flexible screen caused by uneven force is improved, the installation effect between the structure and the flexible screen is effectively improved, the production yield of the flexible display is improved, and the application value in the industry is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A front view of a flexible screen installation auxiliary device according to an embodiment of the present application is shown.

[0022] Figure 2 A perspective view of a flexible screen installation auxiliary device according to an embodiment of the present application is shown.

[0023] Figure 3 A structural schematic view of a screen suction assembly according to an embodiment of the present application is shown.

[0024] Figure 4 A perspective view of a pre-pressing member according to an embodiment of the present application.

[0025] Figure 5 A front view of a pre-pressing member according to an embodiment of the present application.

[0026] Figure 6 A perspective view of another flexible screen installation auxiliary device according to an embodiment of the present application.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 11 device frame

[0029] 12 screen suction assembly

[0030] 121 suction member

[0031] 13 structural member fixing assembly

[0032] 14 screen lifting assembly

[0033] 15 structural member lifting assembly

[0034] 16 pre-pressing member

[0035] 17 limiting member

[0036] 18 visual sensor

[0037] 19 pressure sensor

[0038] 20 control unit DETAILED DESCRIPTION

[0039] The present application will be described by specific working examples below, and other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of this specification. The present application can also be implemented or applied by other different specific embodiments, and various modifications or changes can be made to the details in this specification based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0040] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented. The actual implementation of each component may

[0041] The following embodiments of the application provide a flexible screen installation auxiliary device for assisting the installation and connection of a flexible screen and a structural member. In the process of installing and fixing the flexible screen and the structural member, the flexible screen is usually fixed by suction to facilitate the installation and connection of the flexible screen and the structural member. However, in the conventional suction method, the suction forces generated at different positions of the flexible screen are not the same. Due to the characteristics of the flexible screen, the flexible screen is prone to deformation, and in the case of uneven surface stress, the flexible screen is actually in an uneven state, thereby affecting the installation effect of the flexible screen and the structural member. Based on this, the application provides a flexible screen installation auxiliary device, which uniformly distributes a plurality of suction members in the same plane to suck the flexible screen, thereby achieving uniform distribution of the suction force on the flexible screen, and further making the flexible screen in a relatively flat state, which is conducive to improving the installation effect of the flexible screen and the structural member.

[0042] Among them, the structural member refers to the part in the flexible display that is directly connected to the flexible screen, including but not limited to necessary electrical connection structure, etc., and the flexible screen includes but is not limited to TFT flexible screen.

[0043] The principles and implementation modes of the flexible screen installation auxiliary device of the present embodiment will be described in detail below with reference to the accompanying drawings, so that those skilled in the art can understand the flexible screen installation auxiliary device of the present embodiment without creative labor.

[0044] As shown in Figures 1-2 The flexible screen installation auxiliary device provided by the present embodiment includes a device frame 11 and a screen suction assembly 12, a structural member fixing assembly 13, a screen lifting assembly 14 and a structural member lifting assembly 15 fixedly arranged on the device frame 11. Among them, the device frame 11 is stably placed on the ground or other workbench surface to realize stable placement of the entire flexible screen installation auxiliary device. Further, the specific structure and shape of the device frame 11 can be adaptively designed according to actual needs, as long as it can stably place and bear the screen suction assembly 12, the structural member fixing assembly 13, the screen lifting assembly 14 and the structural member lifting assembly 15. The present embodiment does not make specific limitations.

[0045] The screen suction assembly 12 is fixedly arranged on the device frame 11. In the process of installing the flexible screen, the flexible screen (not shown in the figure) is placed above the screen suction assembly 12, and the screen suction assembly 12 generates a suction force on the surface of the flexible screen to fix the flexible screen, thereby facilitating the installation and connection of the flexible screen and the structural member. Specifically, as shown in Figure 3As shown, the screen suction assembly 12 includes a plurality of suction members 121 evenly distributed in the same plane, and the flexible screen is sucked by the suction members 121 to realize the fixation of the flexible screen. It should be noted that since the suction members 121 are evenly distributed in a plane, the suction force generated on the flexible screen is also evenly distributed, thereby improving the uniformity of the stress on the flexible screen, and further improving the flatness of the flexible screen during installation, which is conducive to achieving better installation effect.

[0046] Exemplarily, the suction members 121 are vacuum cups to generate suction force on the flexible screen by generating negative pressure. In order to further improve the uniformity of the stress on the flexible screen, the suction force generated by each vacuum cup on the flexible screen is equal, that is, the vacuum state in each vacuum cup is the same. Based on this, in some optional embodiments, each vacuum cup is connected to the same vacuum pump (not shown in the figure), and since the suction capacity of the same vacuum pump to each vacuum cup is the same, the vacuum pump is used to simultaneously start and end suction on each vacuum cup to realize that the vacuum state in each vacuum cup is the same, that is, the negative pressure in each vacuum cup is equal, and further realize that the suction force generated by each vacuum cup on the flexible screen is equal, and further improve the uniformity of the stress on the surface of the flexible screen. Exemplarily, the vacuum pump controls its on-off state through a solenoid valve.

[0047] It should be noted that since the flexible screen may have certain unevenness on the surface during placement on the screen suction assembly 12, thereby affecting the subsequent installation and connection, based on this, in some optional embodiments, as shown, Figures 4-5 It should be noted that since the flexible screen may have certain unevenness on the surface during placement on the screen suction assembly 12, thereby affecting the subsequent installation and connection, based on this, in some optional embodiments, as shown,

[0048] Specifically, one side of the pre-pressing member 16 contacting the flexible screen is a smooth plane, when it is needed to flatten the flexible screen, the pre-pressing member 16 is placed on the flexible screen, and a pressure is applied to the pre-pressing member 16 to realize the flattening of the flexible screen.

[0049] The flattening process of the flexible screen is described in detail below to further understand the working principle and implementation of the pre-pressing member 16 by those skilled in the art.

[0050] Specifically, the flexible screen is placed on the screen suction assembly 12, the vacuum pump is turned on, and a small suction force is generated on the flexible screen to avoid the movement of the flexible screen during the flattening process. The pre-pressing piece 16 is placed above the flexible screen, and a certain pressure is applied to the pre-pressing piece 16, so that the pre-pressing piece 16 flattens the flexible screen. For example, the operator manually places the pre-pressing piece 16 on the flexible screen and removes the pre-pressing piece 16 after the flattening is completed to check the flexible screen and determine that the flexible screen is in a flat state. At this time, the air suction intensity of the vacuum pump is increased, so that the flexible screen is fixed by the vacuum suction cups, so that the flexible screen is fixed on the screen suction assembly 12 in a flat state.

[0051] Further, in order to realize the installation and connection of the flexible screen and the structural member, the flexible screen installation auxiliary device provided by the embodiment further comprises a structural member fixing assembly 13, as shown in Figures 1-2 The structural member fixing assembly 13 is fixedly arranged on the device frame 11 and is used to fix the structural member (not shown in the figure) to facilitate the installation of the structural member and the flexible screen. Further, the structural member fixing assembly 13 is located on the same vertical line as the screen suction assembly 12, and one side of the structural member fixing assembly 13 is connected to the structural member, and the other side of the screen suction assembly 12 is connected to the flexible screen. Therefore, the fixed structural member and the flexible screen are located on the same vertical line, so as to facilitate the alignment of the structural member and the flexible screen and enable them to be connected to each other.

[0052] For example, the structural member fixing assembly 13 comprises an electromagnet suction cup, which realizes the magnetic force suction of the structural member through the magnetic field generated by the current, so as to fix the structural member. Of course, the structural member fixing assembly 13 can also be other structures, such as a buckle structure or a clamping structure which is matched with the structural member, as long as it can fix the structural member based on the installation requirement, and the embodiment does not make specific limitation here.

[0053] Further, the installation and connection of the structural member and the flexible screen are usually realized through the adhesive back glue. Specifically, the back glue is pasted on the surface of the structural member, and the structural member and / or the flexible screen are moved so that the flexible screen contacts the back glue. By applying a certain pressure on the structural member, the structural member and the flexible screen are fixed together by the adhesion of the back glue, so as to realize the installation of the structural member and the flexible screen.

[0054] In order to realize the movement of the structural member and / or the flexible screen to complete the installation and connection of the flexible screen and the structural member, in some optional embodiments, as shown in Figures 1-2 The flexible screen installation auxiliary device provided by the embodiment further comprises a screen lifting assembly 14 and a structural member lifting assembly 15.

[0055] The screen lifting assembly 14 is fixedly arranged on the device frame 11, and one end of the screen lifting assembly 14 is fixedly connected to the screen adsorption assembly 12 away from the flexible screen, that is, the flexible screen is placed above the screen adsorption assembly 12, and then the one end of the screen lifting assembly 14 is fixedly connected to the screen adsorption assembly 12 below, so as to move the screen adsorption assembly 12 in the vertical direction, thereby realizing the movement of the flexible screen.

[0056] Similarly, the structural part lifting assembly 15 is fixedly arranged on the device frame 11, and one end of the structural part lifting assembly 15 is fixedly connected to the structural part fixing assembly 13 away from the structural part, that is, the structural part is adsorbed below the structural part fixing assembly 13 by magnetic force, and then the one end of the structural part lifting assembly 15 is fixedly connected to the structural part fixing assembly 13 above, so as to move the structural part fixing assembly 13 in the vertical direction, thereby realizing the movement of the structural part.

[0057] Based on this, the screen lifting assembly 14 moves the flexible screen in the vertical direction, and the structural part lifting assembly 15 moves the structural part in the vertical direction, so that the structural part and the flexible screen are pasted together by the back adhesive, thereby realizing the installation and connection of the structural part and the flexible screen.

[0058] Exemplarily, the screen lifting assembly 14 is a pneumatic cylinder lifting assembly, which is provided with a controllable gas switch, so as to control the lifting of the pneumatic cylinder, that is, the lifting of the flexible screen. The structural part lifting assembly 15 is an electric cylinder lifting assembly, which controls the lifting of the structural part by the electric cylinder. Of course, the screen lifting assembly 14 and the structural part lifting assembly 15 can also be other lifting structures, as long as they can control the lifting of the flexible screen or the structural part, and the present embodiment does not make specific limitations here.

[0059] It should be noted that since the installation of the structural part and the flexible screen needs to exert a certain pressure, in order to avoid damaging the flexible screen due to excessive pressure, or failing to stably connect together due to insufficient pressure, in some optional embodiments, as shown in Figure 1 The flexible screen installation auxiliary device provided by the present embodiment further comprises a pressure sensor 19 arranged between the structural part fixing assembly and the structural part lifting assembly 15. Specifically, when the flexible screen contacts the back adhesive, the structural part lifting assembly 15 continues to press down the structural part fixing assembly 13 to exert pressure on the structural part. Since the pressure sensor 19 is arranged between the structural part fixing assembly 13 and the structural part lifting assembly 15, the pressure between the structural part and the flexible screen is transmitted to the pressure sensor 19, so as to obtain the size of the pressure, and the operator can adjust the structural part lifting assembly 15 based on this to exert appropriate pressure between the structural part and the flexible screen, thereby realizing the stable installation of the structural part and the flexible screen while avoiding damaging the flexible screen.

[0060] It should be noted that in some optional implementations, such as Figures 1-3 As shown, the flexible screen installation auxiliary device provided in this embodiment also includes a limiting member 17 to prevent the flexible screen from being damaged due to the structural component falling or rapidly descending due to abnormal operation. Specifically, the limiting member 17 is fixedly connected to the device frame 11 and is set along the edge of the screen adsorption assembly 12, that is, along the edge of the flexible screen to be installed. The limiting member 17 has a preset height, which exceeds the height of the flexible screen, so that when the structural component falls or rapidly descends due to abnormal operation, the limiting member 17 can block the structural component, thereby preventing the flexible screen from being damaged by the structural component impacting the flexible screen. Furthermore, when the structural component is installed and connected to the flexible screen, the flexible screen is raised to be flush with the limiting member 17 by the screen lifting assembly 14 to realize the installation of the structural component and the flexible screen.

[0061] In some alternative implementations, to ensure that the structural components are compatible with the flexible screen size and to avoid improper installation of the structural components and flexible screen, such as... Figures 1-3 As shown, the flexible screen installation auxiliary device provided in this embodiment also includes a visual sensor 18 fixedly disposed on the edge of the screen adsorption assembly 12. By acquiring image data of the structural component, it can confirm whether the structural component and the flexible screen are compatible, thereby improving the installation yield of the structural component and the flexible screen.

[0062] Specifically, the screen lifting assembly 14 and the structural component lifting assembly 15 ensure that the distance between the structural component and the flexible screen is a preset distance, exemplarily within the range of 1-2 mm. A visual sensor 18 positioned along the edge of the screen adsorption assembly 12 acquires image data of the structural component, thereby determining whether the size of the structural component is compatible with the flexible screen. Since the flexible screen is placed on the screen adsorption assembly 12, the visual sensor 18 positioned along the edge of the screen adsorption assembly 12 is actually located at the edge of the flexible screen. Based on this, the acquired image data of the structural component confirms whether the edge of the structural component aligns with the edge of the flexible screen, thus confirming whether the structural component is compatible with the flexible screen. Furthermore, multiple visual sensors 18 are provided along the edge of the screen adsorption assembly 12. For example, for a square flexible screen, the screen adsorption assembly 12 is also square. The flexible screen installation auxiliary device includes four visual sensors 18, respectively positioned on two adjacent edges of the screen adsorption assembly 12, to more accurately confirm whether the edge of the structural component is aligned with the flexible screen.

[0063] It should be noted that, in order to facilitate operators' control over the installation process of structural components and flexible screens, such as... Figure 6As shown, the flexible screen installation auxiliary device provided by the embodiment further comprises a control unit 20, which is in communication connection with the screen suction assembly 12, the structural member fixing assembly 13, the screen lifting assembly 14 and the structural member lifting assembly 15, so as to control the installation process of the structural member and the flexible screen. Further, the control unit 20 is in communication connection with the pressure sensor 19 and the visual sensor 18, so as to more accurately control the installation process of the structural member and the flexible screen. Exemplarily, the control unit 20 is in communication connection with the screen suction assembly 12, the structural member fixing assembly 13, the screen lifting assembly 14, the structural member lifting assembly 15, the pressure sensor 19 and the visual sensor 18 through the mode of power carrier.

[0064] In order to facilitate the understanding of the flexible screen installation auxiliary device provided by the embodiment by those skilled in the art, the installation process and principle of the structural member and the flexible screen are specifically described below.

[0065] Specifically, the flexible screen is placed on the screen suction assembly 12, and specifically, the flexible screen is placed on a specific position of the screen suction assembly 12, so as to facilitate the alignment of the flexible screen and the structural member. The screen suction assembly 12 comprises a plurality of suction members 121 uniformly distributed in the same plane, and the suction members 121 are all vacuum suction cups connected to the same vacuum pump.

[0066] The vacuum pump is turned on by the control unit 20, so that the vacuum pump performs air suction on each vacuum suction cup with a small air suction intensity, so as to generate a small suction force at each position of the flexible screen.

[0067] The pre-pressing member 16 is placed on the flexible screen, so that the smooth side surface of the pre-pressing member 16 is in contact with the flexible screen and applies a certain pressure, and the flexible screen is flattened to avoid the influence of the unevenness of the flexible screen during the placement process on the subsequent installation process and effect. Further, the flexible screen is checked after the pre-pressing member 16 is removed, so as to ensure that the flexible screen has a high flatness.

[0068] The air suction intensity of the vacuum pump is increased by the control unit 20, so that each vacuum suction cup generates a large suction force on the flexible screen, so as to realize the fixation of the flexible screen. Since each vacuum suction cup is uniformly distributed in the same plane and connected to the same vacuum pump, the suction force at each position of the flexible screen is the same, so as to avoid the surface deformation of the flexible screen due to uneven force, and thus the installation effect of the flexible screen and the structural member is improved.

[0069] The structure is fixed on the flexible screen mounting auxiliary device through the structure fixing assembly 13, wherein the structure fixing assembly 1313 includes an electromagnetic suction cup which is opened to magnetically attract and fix the structure through the control unit 20. It should be noted that the fixing of the structure can be performed before the fixing of the flexible screen or after the fixing of the flexible screen, which is not specifically limited in the embodiment. Further, the side of the structure for mounting the flexible screen is provided with an adhesive.

[0070] The flexible screen is moved by the screen lifting assembly 14 to be raised to be flush with the limiting piece 17; the structure is moved by the structure lifting assembly 15 so that the distance between the structure and the flexible screen is a preset distance, wherein the size of the preset distance is within the range of 1-2 mm. It should be noted that the screen lifting assembly 14 and the structure lifting assembly 15 are controlled by the control unit 20 so that the operator can control the movement of the flexible screen and the structure.

[0071] The visual sensor 18 is opened to obtain image data of the structure and determine whether the structure is suitable for the flexible screen. If not, an unsuitable signal is transmitted to the control unit 20 to alarm and prompt the operator to replace the structure and re-operate; if yes, the installation of the structure and the flexible screen is continued. Further, the image data of the structure obtained by the visual sensor 18 is displayed on the control unit 20 through the communication connection between the visual sensor 18 and the control unit 20, so as to facilitate the operator to observe.

[0072] The structure is moved downward by the structure lifting assembly 15 to contact the flexible screen and generate a certain pressure. The pressure between the structure and the flexible screen is obtained by the pressure sensor 19 and transmitted to the control unit 20. The operator controls the structure lifting assembly 15 through the size of the pressure so that the structure and the flexible screen maintain a suitable pressure size and last for a certain time, thereby realizing the installation and connection of the structure and the flexible screen. The vacuum pump and the electromagnetic suction cup are closed to facilitate the removal of the installed structure and the flexible screen.

[0073] It should be noted that in the above installation process, the operator controls the flexible screen mounting auxiliary device through the control unit 20, thereby realizing a quick and convenient installation process, which is conducive to improving the efficiency of the installation and connection of the structure and the flexible screen, thereby reducing the production cost of the flexible display.

[0074] In summary, the flexible screen is fixed by the screen suction assembly 12, so as to facilitate the installation and connection of the structural member and the flexible screen. Since the screen suction assembly 12 comprises a plurality of suction members 121 uniformly distributed in the same plane, the stress uniformity of the surface of the flexible screen is improved, and the flatness of the flexible screen during the installation process is improved. Meanwhile, each suction member 121 is a vacuum suction disc connected to the same vacuum pump, and each suction member 121 is pumped by the same vacuum pump, so that the vacuum state in each suction member 121 is the same, that is, the suction force of each suction member 121 on the flexible screen is equal, which further improves the stress uniformity of the surface of the flexible screen and effectively improves the installation effect of the structural member and the flexible screen.

[0075] The description of the flow or structure corresponding to each of the above figures has its own emphasis, and the part not described in detail in a certain flow or structure can be referred to the related description of other flows or structures.

[0076] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

Claims

1. A flexible screen installation aid, characterised in that, The device frame; The screen suction assembly is arranged on the device frame, and the screen suction assembly includes a plurality of suction members uniformly distributed in the same plane to suction the flexible screen; The structure fixing assembly is arranged on the device frame, and the structure fixing assembly is arranged opposite to the screen suction assembly; The screen lifting assembly is arranged on the device frame to drive the lifting of the screen suction assembly; The structure lifting assembly is arranged on the device frame to drive the lifting of the structure fixing assembly. Further comprising a pre-pressing member, one side of the pre-pressing member in contact with the flexible screen is a smooth plane to flatten the flexible screen.

2. The supplementary device of claim 1, wherein, Further comprising a limiting member arranged on the device frame and located at the edge of the screen suction assembly, the limiting member has a preset height, and the height of the upper surface of the limiting member is greater than or equal to the height of the upper surface of the flexible screen.

3. The supplemental device of claim 1, wherein, The suction members are vacuum suction cups, and each vacuum suction cup is connected to the same vacuum pump.

4. The supplemental device of claim 1, wherein, The screen lifting assembly is a cylinder lifting assembly.

5. The supplemental device of claim 1, wherein, The structure lifting assembly is an electric cylinder lifting assembly.

6. The supplemental device of claim 1, wherein, The structure fixing assembly includes an electromagnet suction cup.

7. The supplemental device of claim 1, wherein, Further comprising a control unit, the control unit is in communication connection with the screen suction assembly, the structure fixing assembly, the screen lifting assembly and the structure lifting assembly.

8. The supplemental device of claim 1, wherein, Further comprising a visual sensor arranged on the device frame and located at the edge of the screen suction assembly, and in communication connection with the control unit.

9. The supplemental device of claim 8, wherein, Further comprising a pressure sensor arranged between the structure fixing assembly and the structure lifting assembly, and in communication connection with the control unit.

10. The supplemental device of claim 8, wherein, ​

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