Magnet pasting mechanism for rear shell of display screen

Abstract

The utility model discloses a magnet pasting mechanism for a rear shell of a display screen, which comprises a positioning carrying table, a first feeding table, a second feeding table, a first transverse moving assembly, a second transverse moving assembly, a first lifting assembly, a second lifting assembly, a first vacuum suction head and a second vacuum suction head, the first lifting assembly is used for driving the first vacuum suction head to move in the Z-axis direction, and the first transverse moving assembly is used for driving the first lifting assembly to move in the X-axis direction and the Y-axis direction. The second vacuum suction head is used for adsorbing a magnet located on the second feeding table, the second lifting assembly is used for driving the second vacuum suction head to move in the Z-axis direction, and the second transverse moving assembly is used for driving the second lifting assembly to move in the X-axis direction and the Y-axis direction; by the adoption of the two sets of independent vacuum suction heads and the corresponding lifting and transverse moving assemblies, the mechanism can suck magnets from the two feeding tables at the same time and assemble the magnets, and the efficiency of assembling work is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen production equipment, in particular to a magnet sticking mechanism for a rear shell of a display screen. Background Art

[0002] In modern electronic product manufacturing, precise assembly of display back covers and magnets is a critical step in ensuring product performance and appearance. Traditional assembly methods rely primarily on manual labor, which is not only inefficient but also difficult to ensure consistent and accurate assembly. To improve assembly efficiency and precision, automated assembly technology has been introduced into the display back cover manufacturing process.

[0003] While existing automated assembly equipment has improved assembly efficiency to a certain extent, it typically uses a single vacuum head for operation, which limits the parallelism and flexibility of the assembly process. On high-volume production lines, the single head operation mode becomes a bottleneck because it cannot simultaneously pick up and place magnets from multiple feed tables, resulting in a limited overall assembly speed. Utility Model Content

[0004] The main purpose of the utility model is to provide a magnet sticking mechanism for a display screen rear cover with high assembly efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a magnet sticking mechanism for the back cover of a display screen, comprising a positioning carrier, a first feeding platform, a second feeding platform, a first transverse movement component, a second transverse movement component, a first lifting component, a second lifting component, a first vacuum suction head and a second vacuum suction head, wherein the positioning carrier is located between the first feeding platform and the second feeding platform and is used to carry the back cover to be assembled, the first feeding platform and the second feeding platform are used to carry the magnet to be assembled, the first vacuum suction head is installed on the first lifting component and is used to adsorb the magnet located on the first feeding platform, the first lifting component is installed on the first transverse movement component and is used to drive the first vacuum suction head to move along the Z-axis direction, the first transverse movement component is used to drive the first lifting component to move along the X-axis direction and the Y-axis direction; the second vacuum suction head is installed on the second lifting component and is used to adsorb the magnet located on the second feeding platform, the second lifting component is installed on the second transverse movement component and is used to drive the second vacuum suction head to move along the Z-axis direction, and the second transverse movement component is used to drive the second lifting component to move along the X-axis direction and the Y-axis direction.

[0006] In one embodiment, the first lifting assembly includes a first lifting mounting plate, a first lifting motor, a first lifting transmission belt, a first lifting slide rail and a first lifting slider; the first lifting mounting plate is mounted on the first transverse movement assembly; the first lifting motor, the first lifting transmission belt and the first lifting slide rail are all mounted on the first lifting mounting plate; the first lifting motor is in transmission connection with the first lifting transmission belt; the first lifting slider is mounted on the first lifting transmission belt and is slidably connected to the first lifting slide rail; the first lifting slide rail extends along the Z-axis direction; and the first vacuum suction head is mounted on the first lifting slider.

[0007] In one embodiment, a first pressing structure is provided on the first lifting slider, and the first pressing structure includes a first pressing cylinder and a first pressing seat. The output shaft of the first pressing cylinder is connected to the first pressing seat and is used to drive the pressing seat to move along the Z-axis direction. The first vacuum suction head is installed on the first pressing seat.

[0008] In one embodiment, the first vacuum suction head is detachably mounted on the first pressing seat.

[0009] In one embodiment, a plurality of the first pressing structures are provided on the first lifting slider.

[0010] In one embodiment, the second lifting assembly includes a second lifting mounting plate, a second lifting motor, a second lifting transmission belt, a second lifting slide rail and a second lifting slider; the second lifting mounting plate is mounted on the second transverse movement assembly; the second lifting motor, the second lifting transmission belt and the second lifting slide rail are all mounted on the second lifting mounting plate; the second lifting motor is in transmission connection with the second lifting transmission belt; the second lifting slider is mounted on the second lifting transmission belt and is slidably connected to the second lifting slide rail; the second lifting slide rail extends along the Z-axis direction; and the second vacuum suction head is mounted on the second lifting slider.

[0011] In one embodiment, a second pressing structure is provided on the second lifting slider, and the second pressing structure includes a second pressing cylinder and a second pressing seat. The output shaft of the second pressing cylinder is connected to the second pressing seat and is used to drive the pressing seat to move along the Z-axis direction. The second vacuum suction head is installed on the second pressing seat.

[0012] In one embodiment, the second vacuum suction head is detachably mounted on the second pressing seat.

[0013] In one embodiment, a plurality of the second pressing structures are provided on the second lifting slider.

[0014] The beneficial effects of the present invention are as follows: the magnet-sticking mechanism for the back shell of the display screen provided by the present invention has the characteristics of high assembly efficiency. By adopting two sets of independent vacuum suction heads and corresponding lifting and transverse movement components, the mechanism can simultaneously absorb magnets from two feeding tables and assemble them, which significantly improves the efficiency of the assembly operation; the design of the positioning platform ensures the stability of the back shell during the assembly process, and the precisely controlled transverse movement and lifting components make the placement of the magnets more accurate, thereby improving the accuracy of the overall assembly; the design of the independent first transverse movement component and the second transverse movement component and the lifting component enables the mechanism to adapt to back shells and magnets of different sizes and shapes, enhancing the flexibility and adaptability of the assembly line; the compact design enables the mechanism to achieve efficient double-station operation in a limited space, optimizes the space utilization of the production workshop, and is suitable for integration into existing production lines; since magnets can be absorbed from two feeding tables at the same time, the dependence on a single feeding table is reduced, the risk of production interruption due to feeding problems is reduced, and the continuity of production is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a structural schematic diagram of the magnet attachment mechanism of the display screen rear cover in embodiment 1 of the present invention.

[0017] Description of labels:

[0018] 1. Machine platform; 11. First transverse movement assembly; 12. Second transverse movement assembly; 13. Positioning platform; 14. First feeding platform; 15. Second feeding platform; 2. First lifting assembly; 21. First lifting mounting plate; 22. First lifting motor; 23. First lifting transmission belt; 24. First lifting rail; 25. First lifting slider; 3. Second lifting assembly; 31. Second lifting mounting plate; 32. Second lifting motor; 33. Second lifting transmission belt; 34. Second lifting rail; 35. Second lifting slider; 4. First vacuum suction head; 5. Second vacuum suction head; 6. First pressing structure; 61. First pressing cylinder; 62. First pressing seat; 7. Second pressing structure; 71. Second pressing cylinder; 72. Second pressing seat. DETAILED DESCRIPTION

[0019] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments.

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indications will also change accordingly.

[0022] In addition, if the embodiments of the present invention include descriptions of "first," "second," etc., such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of such features.

[0023] In addition, if the word "and / or" appears throughout the text, it means that three parallel solutions are included. For example, "and / or" includes solutions, or solutions, or solutions that meet all of the requirements simultaneously. In addition, the technical solutions of various embodiments may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. If the combination of technical solutions is mutually contradictory or cannot be implemented, it shall be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0024] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0025] Please refer to Figure 1A magnet attachment mechanism for a display screen back cover includes a positioning platform 13, a first feeding platform 14, a second feeding platform 15, a first transverse movement component 11, a second transverse movement component 12, a first lifting component 2, a second lifting component 3, a first vacuum suction head 4, and a second vacuum suction head 5. The positioning platform 13 is located between the first feeding platform 14 and the second feeding platform 15 and is used to carry the back cover to be assembled. The first feeding platform 14 and the second feeding platform 15 are used to carry the magnets to be assembled. The first vacuum suction head 4 is installed on the first lifting component 2 and is used to adsorb the magnets located on the first feeding platform 14. The first lifting component 2 is installed on the first transverse movement component 11 and is used to drive the first vacuum head 4 to move along the Z-axis direction. The first transverse movement component 11 is used to drive the first lifting component 2 to move along the X-axis direction and the Y-axis direction. The second vacuum head 5 is installed on the second lifting component 3 and is used to adsorb the magnet located on the second feeding table 15. The second lifting component 3 is installed on the second transverse movement component 12 and is used to drive the second vacuum head 5 to move along the Z-axis direction. The second transverse movement component 12 is used to drive the second lifting component 3 to move along the X-axis direction and the Y-axis direction.

[0026] From the above description, it can be seen that the beneficial effect of the present invention is that by adopting two sets of independent vacuum suction heads and corresponding lifting and transverse movement components, the present mechanism can simultaneously pick up magnets from two feeding tables and assemble them, which significantly improves the efficiency of the assembly operation; the design of the positioning platform 13 ensures the stability of the back shell during the assembly process, and the precisely controlled transverse movement and lifting components make the placement of the magnets more accurate, thereby improving the overall assembly accuracy; the design of the independent first transverse movement component 11 and the second transverse movement component 12 and the lifting component enables the present mechanism to adapt to back shells and magnets of different sizes and shapes, enhancing the flexibility and adaptability of the assembly line; the compact design enables the present mechanism to achieve efficient double-station operation in a limited space, optimizes the space utilization of the production workshop, and is suitable for integration into existing production lines; since magnets can be picked up from two feeding tables at the same time, the dependence on a single feeding table is reduced, the risk of production interruption due to feeding problems is reduced, and the continuity of production is enhanced.

[0027] Furthermore, the first lifting assembly 2 includes a first lifting mounting plate 21, a first lifting motor 22, a first lifting transmission belt 23, a first lifting slide rail 24 and a first lifting slider 25. The first lifting mounting plate 21 is installed on the first transverse movement assembly 11, and the first lifting motor 22, the first lifting transmission belt 23 and the first lifting slide rail 24 are all installed on the first lifting mounting plate 21; the first lifting motor 22 is transmission-connected to the first lifting transmission belt 23, the first lifting slider 25 is installed on the first lifting transmission belt 23 and is slidably connected to the first lifting slide rail 24, the first lifting slide rail 24 extends along the Z-axis direction, and the first vacuum suction head 4 is installed on the first lifting slider 25.

[0028] From the above description, it can be seen that through the specific design of the first lifting component 2, the precise movement of the first vacuum suction head 4 in the Z-axis direction is achieved, which enhances the flexibility and control accuracy of the mechanism; the transmission connection between the first lifting motor 22 and the transmission belt ensures the stable transmission of power, and the design of the lifting slide rail and the slider makes the lifting movement more smooth and reliable.

[0029] Furthermore, a first pressing structure 6 is provided on the first lifting slider 25, and the first pressing structure 6 includes a first pressing cylinder 61 and a first pressing seat 62. The output shaft of the first pressing cylinder 61 is connected to the first pressing seat 62 and is used to drive the pressing seat to move along the Z-axis direction. The first vacuum suction head 4 is installed on the first pressing seat 62.

[0030] As can be seen from the above description, the design of the first clamping structure 6 makes the first vacuum suction head 4 more secure when adsorbing the magnet, reducing the risk of the magnet falling off during movement; the combination of the clamping cylinder and the clamping seat provides an adjustable clamping force to accommodate magnets of different sizes and shapes.

[0031] Furthermore, the first vacuum suction head 4 can be detachably mounted on the first pressing seat 62 .

[0032] It can be seen from the above description that the detachable design of the first vacuum suction head 4 improves the convenience of maintenance and replacement, and reduces the maintenance cost in long-term operation.

[0033] Furthermore, a plurality of the first pressing structures 6 are provided on the first lifting slider 25 .

[0034] As can be seen from the above description, by providing multiple pressing structures on the first lifting slider 25 , multiple magnets can be processed simultaneously, further improving assembly efficiency.

[0035] Furthermore, the second lifting assembly 3 includes a second lifting mounting plate 31, a second lifting motor 32, a second lifting transmission belt 33, a second lifting slide rail 34 and a second lifting slider 35. The second lifting mounting plate 31 is installed on the second transverse movement assembly 12. The second lifting motor 32, the second lifting transmission belt 33 and the second lifting slide rail 34 are all installed on the second lifting mounting plate 31. The second lifting motor 32 is transmission-connected to the second lifting transmission belt 33. The second lifting slider 35 is installed on the second lifting transmission belt 33 and is slidably connected to the second lifting slide rail 34. The second lifting slide rail 34 extends along the Z-axis direction. The second vacuum suction head 5 is installed on the second lifting slider 35.

[0036] From the above description, it can be seen that the design of the second lifting assembly 3 is similar to that of the first lifting assembly 2, but is independent of the first lifting assembly 2, which realizes the precise movement of the second vacuum head 5 in the Z-axis direction, enhancing the flexibility and control accuracy of the mechanism.

[0037] Furthermore, a second pressing structure 7 is provided on the second lifting slider 35, and the second pressing structure 7 includes a second pressing cylinder 71 and a second pressing seat 72. The output shaft of the second pressing cylinder 71 is connected to the second pressing seat 72 and is used to drive the pressing seat to move along the Z-axis direction. The second vacuum suction head 5 is installed on the second pressing seat 72.

[0038] As can be seen from the above description, the design of the second pressing structure 7 is similar to that of the first pressing structure 6 , providing the second vacuum suction head 5 with stable adsorption and pressing capabilities, thereby ensuring safe adsorption and movement of the magnet.

[0039] Furthermore, the second vacuum suction head 5 can be detachably mounted on the second pressing seat 72 .

[0040] As can be seen from the above description, the detachable design of the second vacuum suction head 5 also improves the convenience of maintenance and replacement, and reduces the maintenance cost in long-term operation.

[0041] Furthermore, a plurality of second pressing structures 7 are provided on the second lifting slider 35 .

[0042] As can be seen from the above description, by providing multiple pressing structures on the second lifting slider 35 , multiple magnets can be processed simultaneously, further improving assembly efficiency.

[0043] Example 1

[0044] Please refer to Figure 1, the utility model embodiment 1 is: a display screen rear shell magnet sticking mechanism, including a machine 1, a positioning platform 13, a first feeding platform 14, a second feeding platform 15, a first transverse moving component 11, a second transverse moving component 12, a first lifting component 2, a second lifting component 3, a first vacuum suction head 4 and a second vacuum suction head 5, the positioning platform 13, the first feeding platform 14, the second feeding platform 15, the first transverse moving component 11 and the second transverse moving component 12 are all installed on the machine 1, the positioning platform 13 is located between the first feeding platform 14 and the second feeding platform 15 The first feeding table 14 and the second feeding table 15 are used to carry the magnets to be assembled. The first vacuum suction head 4 is installed on the first lifting component 2 and is used to adsorb the magnets on the first feeding table 14. The first lifting component 2 is installed on the first transverse movement component 11 and is used to drive the first vacuum suction head 4 to move along the Z axis. The first transverse movement component 11 is used to drive the first lifting component 2 to move along the X axis and the Y axis. The second vacuum suction head 5 is installed on the second lifting component 3 and is used to adsorb the magnets on the second feeding table. The magnet on the table 15, the second lifting component 3 is installed on the second transverse movement component 12 and is used to drive the second vacuum suction head 5 to move along the Z axis direction, and the second transverse movement component 12 is used to drive the second lifting component 3 to move along the X axis direction and the Y axis direction; by adopting two sets of independent vacuum suction heads and corresponding lifting and transverse movement components, this mechanism can simultaneously pick up magnets from two feeding tables and assemble them, which significantly improves the efficiency of the assembly operation; the design of the positioning platform 13 ensures the stability of the back shell during the assembly process, and the precisely controlled transverse movement and lifting components make the placement of the magnets more accurate, thereby improving the overall assembly accuracy; the design of the independent first transverse movement component 11 and the second transverse movement component 12 and the lifting component enables this mechanism to adapt to back shells and magnets of different sizes and shapes, enhancing the flexibility and adaptability of the assembly line; the compact design enables this mechanism to achieve efficient double-station operation in a limited space, optimizes the space utilization of the production workshop, and is suitable for integration into existing production lines; since magnets can be picked up from two feeding tables at the same time, the dependence on a single feeding table is reduced, the risk of production interruption due to feeding problems is reduced, and the continuity of production is enhanced.

[0045] Preferably, the first lifting component 2 includes a first lifting mounting plate 21, a first lifting motor 22, a first lifting transmission belt 23, a first lifting slide rail 24 and a first lifting slider 25. The first lifting mounting plate 21 is installed on the first transverse movement component 11, and the first lifting motor 22, the first lifting transmission belt 23 and the first lifting slide rail 24 are all installed on the first lifting mounting plate 21; the first lifting motor 22 is transmission-connected to the first lifting transmission belt 23, the first lifting slider 25 is installed on the first lifting transmission belt 23 and is slidably connected to the first lifting slide rail 24, the first lifting slide rail 24 extends along the Z-axis direction, and the first vacuum suction head 4 is installed on the first lifting slider 25. Through the specific design of the first lifting component 2, the precise movement of the first vacuum suction head 4 in the Z-axis direction is achieved, thereby enhancing the flexibility and control accuracy of the mechanism; the transmission connection between the first lifting motor 22 and the transmission belt The stable transmission of power is ensured, and the design of the lifting slide rail and the slider makes the lifting movement smoother and more reliable; specifically, a first clamping structure 6 is provided on the first lifting slider 25, and the first clamping structure 6 includes a first clamping cylinder 61 and a first clamping seat 62, and the output shaft of the first clamping cylinder 61 is connected to the first clamping seat 62 and is used to drive the clamping seat to move along the Z-axis direction, and the first vacuum suction head 4 is installed on the first clamping seat 62; it can be understood that the design of the first clamping structure 6 makes the first vacuum suction head 4 more firm when adsorbing the magnet, reducing the risk of the magnet falling off during movement; the combination of the clamping cylinder and the clamping seat provides an adjustable clamping force to adapt to magnets of different sizes and shapes; more specifically, the first vacuum suction head 4 is detachably installed on the first clamping seat 62, and the detachable design of the first vacuum suction head 4 improves the convenience of maintenance and replacement, and reduces the maintenance cost in long-term operation.

[0046] Preferably, the second lifting assembly 3 includes a second lifting mounting plate 31, a second lifting motor 32, a second lifting transmission belt 33, a second lifting slide rail 34 and a second lifting slider 35. The second lifting mounting plate 31 is installed on the second transverse movement assembly 12. The second lifting motor 32, the second lifting transmission belt 33 and the second lifting slide rail 34 are all installed on the second lifting mounting plate 31. The second lifting motor 32 is transmission-connected to the second lifting transmission belt 33. The second lifting slider 35 is installed on the second lifting transmission belt 33 and is slidably connected to the second lifting slide rail 34. The second lifting slide rail 34 extends along the Z-axis direction. The second vacuum suction head 5 is installed on the second lifting slider 35.

[0047] From the above description, it can be seen that the design of the second lifting assembly 3 is similar to that of the first lifting assembly 2, but is independent of the first lifting assembly 2, which realizes the precise movement of the second vacuum head 5 in the Z-axis direction, enhancing the flexibility and control accuracy of the mechanism; specifically, a second pressing structure 7 is provided on the second lifting slider 35, and the second pressing structure 7 includes a second pressing cylinder 71 and a second pressing seat 72. The output shaft of the second pressing cylinder 71 is connected to the second pressing seat 72 and is used to drive the pressing seat to move along the Z-axis direction. The second vacuum head 5 is installed on the second pressing seat 72. The design of the second pressing structure 7 is similar to the first pressing structure 6, which provides the second vacuum head 5 with stable adsorption and pressing capabilities, ensuring the safe adsorption and movement of the magnet; more specifically, the second vacuum head 5 is detachably installed on the second pressing seat 72. The detachable design of the second vacuum head 5 also improves the convenience of maintenance and replacement, and reduces the maintenance cost in long-term operation.

[0048] In this embodiment, a plurality of the first pressing structures 6 are provided on the first lifting slider 25, and a plurality of the second pressing structures 7 are provided on the second lifting slider 35. In this way, multiple magnets can be processed simultaneously, further improving the assembly efficiency. Optionally, a pressing rail slidably connected to the first pressing seat 62 may be provided on the first lifting slider 25, or a pressing rail slidably connected to the second pressing seat 72 may be provided on the second lifting slider 35.

[0049] To sum up, the magnet sticking mechanism for the back cover of the display screen provided by the present invention has the characteristics of high assembly efficiency. By adopting two sets of independent vacuum suction heads and corresponding lifting and lateral movement components, the mechanism can simultaneously absorb magnets from two feeding tables and assemble them, which significantly improves the efficiency of the assembly operation; the design of the positioning platform ensures the stability of the back cover during the assembly process, and the precisely controlled lateral movement and lifting components make the placement of the magnets more accurate, thereby improving the overall assembly accuracy; the design of the independent first lateral movement component and the second lateral movement component and the lifting component enables the mechanism to adapt to back covers and magnets of different sizes and shapes, enhancing the flexibility and adaptability of the assembly line; the compact design enables the mechanism to achieve efficient double-station operation in a limited space, optimizes the space utilization of the production workshop, and is suitable for integration into existing production lines; since magnets can be absorbed from two feeding tables at the same time, the dependence on a single feeding table is reduced, the risk of production interruption due to feeding problems is reduced, and the continuity of production is enhanced.

[0050] The above are merely optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the practical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A magnet attachment mechanism for a display screen rear cover, characterized in that: It includes a positioning platform, a first feeding platform, a second feeding platform, a first transverse movement component, a second transverse movement component, a first lifting component, a second lifting component, a first vacuum suction head and a second vacuum suction head. The positioning platform is located between the first feeding platform and the second feeding platform and is used to carry the back shell to be assembled. The first feeding platform and the second feeding platform are used to carry the magnets to be assembled. The first vacuum suction head is installed on the first lifting component and is used to adsorb the magnets located on the first feeding platform. The first lifting component is installed on the first transverse movement component and is used to drive the first vacuum suction head to move along the Z-axis direction. The first transverse movement component is used to drive the first lifting component to move along the X-axis and Y-axis directions; the second vacuum suction head is installed on the second lifting component and is used to adsorb the magnets located on the second feeding platform. The second lifting component is installed on the second transverse movement component and is used to drive the second vacuum suction head to move along the Z-axis direction. The second transverse movement component is used to drive the second lifting component to move along the X-axis and Y-axis directions.

2. The magnet attachment mechanism for the rear cover of a display screen according to claim 1, characterized in that: The first lifting assembly includes a first lifting mounting plate, a first lifting motor, a first lifting transmission belt, a first lifting slide rail and a first lifting slider. The first lifting mounting plate is installed on the first transverse movement assembly. The first lifting motor, the first lifting transmission belt and the first lifting slide rail are all installed on the first lifting mounting plate. The first lifting motor is in transmission connection with the first lifting transmission belt. The first lifting slider is installed on the first lifting transmission belt and is slidably connected to the first lifting slide rail. The first lifting slide rail extends along the Z-axis direction. The first vacuum suction head is installed on the first lifting slider.

3. The magnet attachment mechanism for the rear cover of a display screen according to claim 2, characterized in that: A first pressing structure is provided on the first lifting slider, and the first pressing structure includes a first pressing cylinder and a first pressing seat. The output shaft of the first pressing cylinder is connected to the first pressing seat and is used to drive the pressing seat to move along the Z-axis direction. The first vacuum suction head is installed on the first pressing seat.

4. The magnet attachment mechanism for the rear cover of a display screen according to claim 3, characterized in that: The first vacuum suction head is detachably mounted on the first pressing seat.

5. The magnet attachment mechanism for the rear cover of a display screen according to claim 3, characterized in that: The first lifting slider is provided with a plurality of the first pressing structures.

6. The magnet attachment mechanism for the rear cover of a display screen according to claim 1, characterized in that: The second lifting assembly includes a second lifting mounting plate, a second lifting motor, a second lifting transmission belt, a second lifting slide rail and a second lifting slider. The second lifting mounting plate is installed on the second transverse movement assembly. The second lifting motor, the second lifting transmission belt and the second lifting slide rail are all installed on the second lifting mounting plate. The second lifting motor is in transmission connection with the second lifting transmission belt. The second lifting slider is installed on the second lifting transmission belt and is slidably connected to the second lifting slide rail. The second lifting slide rail extends along the Z-axis direction. The second vacuum suction head is installed on the second lifting slider.

7. The magnet attachment mechanism for the rear cover of a display screen according to claim 6, characterized in that: A second pressing structure is provided on the second lifting slider, and the second pressing structure includes a second pressing cylinder and a second pressing seat. The output shaft of the second pressing cylinder is connected to the second pressing seat and is used to drive the pressing seat to move along the Z-axis direction. The second vacuum suction head is installed on the second pressing seat.

8. The magnet attachment mechanism for the rear cover of a display screen according to claim 7, characterized in that: The second vacuum suction head is detachably mounted on the second pressing seat.

9. The magnet attachment mechanism for the rear cover of a display screen according to claim 7, characterized in that: The second lifting slider is provided with a plurality of the second pressing structures.

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