Turnover mechanism for LED display screen

Abstract

The invention discloses a turnover mechanism for an LED display screen, relates to the field of LED display screens, solves the problem that an existing device is difficult to correspondingly and efficiently limit the screen according to different requirements of the screen, and adopts the following scheme that the turnover mechanism comprises a main turnover mechanism and an auxiliary turnover mechanism which are opposite in position; the main turnover mechanism is composed of a main turnover supporting assembly and a main turnover limiting assembly, and the auxiliary turnover mechanism is composed of an auxiliary turnover supporting assembly and an auxiliary turnover limiting assembly. The main overturning supporting assembly comprises two sets of main supporting plates opposite in position and a main hydraulic cylinder set fixedly installed at the tops of the main supporting plates. According to the turnover mechanism for the LED display screen, through the arrangement of the main turnover mechanism and the auxiliary turnover mechanism, the main turnover mechanism can be used for limiting a curved screen or a plane screen according to requirements, and through the arrangement of the auxiliary turnover mechanism, the main turnover mechanism can be assisted to efficiently turn over the screen; and therefore, the screen can be efficiently adsorbed and limited according to different requirements of the screen.

Description

Technical Field

[0001] The invention relates to the technical field of LED display screens, in particular to a flip mechanism for LED display screens. Background Art

[0002] LED display is a flat panel display, composed of small LED module panels, used to display text, images, videos and other information. LED electronic display integrates microelectronics technology, computer technology and information processing, and has the advantages of bright colors, wide dynamic range, high brightness, long life, stable and reliable operation, etc. LED display is widely used in commercial media, cultural performance market, sports venues, information dissemination, news release, securities trading, etc., to meet the needs of different environments. However, during the processing of LED display, sometimes it is necessary to process both sides of it, so it needs to be flipped. The flipping of existing LED display is often done by manual flipping; After searching, the application with patent number 202021260248.9 discloses a flipping mechanism for LED display screen, which solves the problems in the prior art that the LED display screen is inconvenient to flip during processing, wastes manpower, and improper manual operation easily damages the LED display screen; a flipping mechanism for LED display screen comprises a base, two bearing plates are arranged on the top of the base, wooden boards are fixedly connected at the center of one side of the top of the two bearing plates, a rocker is arranged on one side of one of the two bearing plates, one end of the rocker passes through the surface wall of one of the two wooden boards through a bearing sleeve, and a large disc is fixedly connected to the extended end of the rocker, two second extrusion springs are fixedly connected to one side of the large disc, and one end of the second extrusion spring is elastically connected to a rubber protective sleeve, and an LED display screen is embedded on the inner side of the rubber protective sleeve; the utility model is convenient for flipping the LED display screen, saves manpower, and can also protect the LED display screen to a certain extent; The above application document realizes the flipping of the display screen by setting a spring as the main component, but first of all, only the flat display screen can be flipped. With the development of existing display screens, in order to improve the viewing effect and protect the user's eyes, curved display screens have been developed. How to efficiently and fully automatically flip the curved display screen and the flat display screen has become a problem that needs to be solved urgently.

[0003] Therefore, we propose a flip mechanism for an LED display screen. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a flip mechanism for an LED display screen, which solves the problem that the prior devices are difficult to effectively limit the positions of the screens according to different requirements.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A flip mechanism for an LED display screen, comprising a main flip mechanism and a secondary flip mechanism that are relatively positioned, wherein the main flip mechanism is composed of a main flip support assembly and a main flip limit assembly, and the secondary flip mechanism is composed of a secondary flip support assembly and a secondary flip limit assembly; The main flip support assembly includes two sets of main support plates in opposite positions and a main hydraulic cylinder group fixedly installed on the top thereof, the top end of the output shaft of the main hydraulic cylinder group is fixedly connected to the main top plate, the outer wall of the main top plate is fixedly installed with a main drive motor, and the output shaft of the main drive motor is the main rotating shaft between the two sets of main top plates; The main body of the main flip limit assembly is a limit card, an arc-shaped bottom plate is arranged on the bottom side of the limit card, a rotating sleeve is fixedly welded at the end of the limit card and the arc-shaped bottom plate, an arc-shaped air seat is fixedly installed on the top of the arc-shaped bottom plate, a main cylinder group is fixedly installed on the inner side of the limit card, and the outer end of the output shaft of the main cylinder group is fixedly connected to the main adsorption seat located on the top side of the arc-shaped air seat, and the main flip limit assembly is slidably sleeved on the main rotating shaft through the rotating sleeve; The auxiliary flip support assembly includes two sets of opposite auxiliary support plates and auxiliary hydraulic cylinder groups fixedly installed on the top thereof, the top end of the output shaft of the main hydraulic cylinder group is fixedly connected to the auxiliary top plate, the outer wall of the auxiliary top plate is fixedly installed with an auxiliary driving motor, and the output shaft of the auxiliary driving motor is the auxiliary rotating shaft between the two sets of auxiliary top plates; The main body of the auxiliary flip limit assembly is a side plate, and the front bottom plate and the rear bottom plate located at the front and rear parts are fixedly welded to the bottom side of the side plate, and an auxiliary rotating sleeve is fixedly welded at the end of the side plate. A secondary cylinder group is fixedly installed on the top of the front bottom plate, and the outer end of the output shaft of the secondary cylinder group is fixedly connected to a secondary adsorption seat, and the auxiliary flip limit assembly is slidably mounted on the auxiliary rotating shaft through the auxiliary rotating sleeve.

[0006] As a preferred solution of the flip mechanism for the LED display screen of the present invention, a main air pump and a secondary air pump are fixedly installed on the top of the main support plate and the secondary support plate, respectively, the output end of the main air pump is connected to the arc-shaped air seat and the main adsorption seat in the main flip mechanism, and the output end of the secondary air pump is connected to the secondary adsorption seat; Among them, the setting of the main air pump and the auxiliary air pump can provide adsorption force for each group of cylinders in the device, so that the display screen can be efficiently adsorbed from the edge end surface to ensure the limiting effect and subsequent flipping effect.

[0007] As a preferred solution of the flip mechanism for the LED display screen of the present invention, the main flip mechanism and the auxiliary flip mechanism are both provided with a pushing mechanism, and the pushing mechanism is provided with two sets of receiving frames, and the two sets of receiving frames are respectively fixedly welded on the main flip limit assembly and the auxiliary flip limit assembly; Among them, the setting of the receiving frame is convenient for fixing and welding the pushing mechanism on the main flip limit assembly. When the side cylinder group is driven to pull back and adjust the distance between the two groups of main flip limit assemblies, display screens of different widths can be limited and clamped accordingly.

[0008] As a preferred solution of the flip mechanism for the LED display screen of the present invention, a side cylinder group is arranged on the inner side of the receiving frame, and the two ends of the side cylinder group are fixedly connected to the two receiving frames, and the outer walls of the two receiving frames are fixedly welded with a supporting cylinder group, and the outer end of the output shaft of the supporting cylinder group is fixedly connected with a push plate; Among them, the setting of the cylinder group in the pushing mechanism can adjust the position of the push plate, so as to use it to apply pressure to the display screen from the side, thereby achieving the effect of adjusting its position, so as to ensure the accuracy of the flipping position.

[0009] As a preferred solution of the flip mechanism for the LED display screen of the present invention, the input ends of the side cylinder group and the branch cylinder group in the pushing mechanism are connected to the output ends of the main air pump and the auxiliary air pump in the main flip mechanism and the auxiliary flip mechanism; Among them, the side cylinder group and the supporting cylinder group in the pushing mechanism are powered by the main air pump and the auxiliary air pump, so that they can limit the display screen according to its width requirements, drive it, and adjust its position in real time.

[0010] As a preferred solution of the flip mechanism for the LED display screen of the present invention, the main adsorption seat and the auxiliary adsorption seat are both rectangular frames, the outer wall of the limit card is provided with a main limit groove, the top surface of the rear bottom plate is provided with an auxiliary limit groove, and the bottom side of the auxiliary adsorption seat and the main adsorption seat is provided with a sliding card slidably sleeved in the main limit groove and the auxiliary limit groove, the inner side of the limit card, the main adsorption seat and the auxiliary adsorption seat is set as a cavity, and the top of the main adsorption seat and the auxiliary adsorption seat is provided with air holes distributed in a filling shape; Among them, the setting of the main limit groove and the auxiliary limit groove can ensure the stability of the main adsorption seat and the auxiliary adsorption seat when moving, and the setting of the main adsorption seat and the auxiliary adsorption seat can perform adsorption-type limiting on the edge of the flat screen to ensure the limiting effect.

[0011] As a preferred solution of the flip mechanism for the LED display screen of the present invention, the arc-shaped air seat is an arc-shaped seat, the top surface of the arc-shaped air seat is provided with air holes distributed in a filling shape, and the input ends of the arc-shaped air seat, the main adsorption seat and the auxiliary adsorption seat are connected to the main air pump and the rear bottom plate in the main flip mechanism and the auxiliary flip mechanism; Among them, the setting of the arc-shaped air seat can efficiently adsorb the curved screen closely to the edge of its outer wall according to the needs of the curved screen, ensuring the adsorption effect and the corresponding limiting effect.

[0012] As a preferred solution of the flip mechanism for the LED display screen of the present invention, the main rotating shaft and the auxiliary rotating shaft are provided with a concave main card slot and an auxiliary card slot, the rotating sleeve of the main flip limit assembly is provided with a main card tooth which is slidably mounted in the main card slot, and the rear bottom plate of the auxiliary flip limit assembly is provided with an auxiliary card block which is slidably mounted in the auxiliary card slot; Among them, the setting of the main card slot and the auxiliary card slot can ensure the suit effect of the rear bottom plate and the rotating sleeve, while enabling them to move laterally smoothly under force thereon, thereby assisting the pushing mechanism to adjust the spacing between the main flip limit assembly and the auxiliary flip limit assembly, so as to achieve the effect of efficiently limiting it according to different screen specifications.

[0013] As a preferred solution of the flip mechanism for the LED display screen of the present invention, a main clamping block located outside the end of the display screen is fixedly installed on the top of the main flip limiting assembly, and a secondary clamping tooth located outside the end of the display screen is also provided on the top of the secondary flip limiting assembly; Among them, the setting of the main driving motor and the auxiliary clamping block can block the flipped screen on the outside of the end to prevent it from slipping.

[0014] As a preferred solution of the flip mechanism for the LED display screen of the present invention, a vertical slide groove is provided on the outer wall of the main top plate, and a slide bar slidably mounted on the slide groove is fixedly welded on the outer wall of the auxiliary top plate; Among them, the setting of the slide groove and the sub-top plate makes it easy to adjust the height difference between the left and right sets of flipping mechanisms, so as to stably flip them according to the requirements of the screen thickness.

[0015] The present invention provides a flip mechanism for an LED display screen, which has the following beneficial effects: 1. The flip mechanism for the LED display screen can limit the curved screen or the flat screen according to the needs by using the main flip mechanism and the auxiliary flip mechanism structure, and the auxiliary flip mechanism can assist the main flip mechanism to efficiently flip the screen, so that it can efficiently adsorb and limit the screen according to different screen requirements, solving the problem that the existing device is difficult to effectively limit the screen according to different screen requirements; 2. The flip mechanism of the LED display screen can adjust the left and right height difference according to needs through the setting of the main flip support component and the auxiliary flip support component to adapt to display screens of different thicknesses. The setting of the pushing mechanism can adjust the spacing between the two sets of main flip limit components and the two sets of auxiliary flip limit components to adapt to display screens of different widths, thereby achieving the effect of efficient limiting from the circumference to ensure accuracy during the flipping process.

[0016] The flipping mechanism for the LED display screen can provide a power source for each group of cylinders through the setting of the main air pump and the auxiliary air pump, so as to achieve the effect of adsorption-type limiting of the screen. At the same time, it has a high degree of automation and can be fully automatically and efficiently flipped, which solves the problem that the existing device is difficult to efficiently and fully automatically flip the screen according to demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the main turning mechanism of the present invention; Figure 3 It is a structural schematic diagram of the main flip support assembly of the present invention; Figure 4 It is a structural schematic diagram of the main flip limit assembly of the present invention; Figure 5 It is a structural schematic diagram of the pushing mechanism of the present invention; Figure 6 It is a structural schematic diagram of the auxiliary turning mechanism of the present invention; Figure 7 It is a structural schematic diagram of the auxiliary flip support assembly of the present invention; Figure 8 It is a structural schematic diagram of the auxiliary flip limiting assembly of the present invention.

[0018] In the figure: 1. main turning mechanism; 11. main turning support assembly; 111. main support plate; 112. main hydraulic cylinder group; 113. main air pump; 114. main top plate; 115. slideway; 116. main rotating shaft; 117. main clamping slot; 118. main driving motor; 12. main turning limit assembly; 121. limit clamp; 122. arc bottom plate; 123. rotating sleeve; 124. main clamping teeth; 125. main cylinder group; 126. arc air seat; 127. main limit slot; 128. main clamping block; 129. main adsorption seat; 2. auxiliary turning mechanism; 21. auxiliary turning support Support assembly; 211, auxiliary support plate; 212, auxiliary hydraulic cylinder group; 213, auxiliary air pump; 214, auxiliary top plate; 215, slide bar; 216, auxiliary rotating shaft; 217, auxiliary clamping slot; 218, auxiliary driving motor; 22, auxiliary flip limit assembly; 221, side plate; 222, front bottom plate; 223, rear bottom plate; 224, auxiliary rotating sleeve; 225, auxiliary clamping gear; 226, auxiliary cylinder group; 227, auxiliary adsorption seat; 228, auxiliary limiting slot; 229, auxiliary clamping block; 3, pushing mechanism; 31, receiving frame; 32, side cylinder group; 33, support cylinder group; 34, pushing plate. DETAILED DESCRIPTION

[0019] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-8 The embodiment of the present invention provides a technical solution: a flip mechanism for an LED display screen, comprising a main flip mechanism 1 and a secondary flip mechanism 2 that are positioned relatively to each other, wherein the main flip mechanism 1 is composed of a main flip support assembly 11 and a main flip limit assembly 12, and the secondary flip mechanism 2 is composed of a secondary flip support assembly 21 and a secondary flip limit assembly 22; the main flip support assembly 11 comprises two sets of main support plates 111 that are positioned relatively to each other and a main hydraulic cylinder assembly 112 that is fixedly installed on the top thereof, and the top end of the output shaft of the main hydraulic cylinder assembly 112 is fixedly connected to the main top The main top plate 114 is provided with a main driving motor 118 fixedly mounted on the outer wall of the main top plate 114, and the output shaft of the main driving motor 118 is the main rotating shaft 116 between the two sets of main top plates 114; the main body of the main flip limit assembly 12 is a limit card 121, and an arc bottom plate 122 is arranged on the bottom side of the limit card 121, and a rotating sleeve 123 is fixedly welded at the ends of the limit card 121 and the arc bottom plate 122, and an arc air seat 126 is fixedly mounted on the top of the arc bottom plate 122, and a main cylinder group 125 is fixedly mounted on the inner side of the limit card 121 , and the outer end of the output shaft of the main cylinder group 125 is fixedly connected to the main adsorption seat 129 located on the top side of the arc-shaped air seat 126, and the main flip limit assembly 12 is slidably mounted on the main rotating shaft 116 through the rotating sleeve 123; the auxiliary flip support assembly 21 includes two sets of auxiliary support plates 211 located opposite to each other and the auxiliary hydraulic cylinder group 212 fixedly installed on the top, the top of the output shaft of the main hydraulic cylinder group 112 is fixedly connected to the auxiliary top plate 214, and the outer wall of the auxiliary top plate 214 is fixedly installed with an auxiliary drive motor 218, and the output of the auxiliary drive motor 218 The output shaft is a secondary rotating shaft 216 between two sets of secondary top plates 214; the main body of the secondary flip limit assembly 22 is a side plate 221, and the bottom side of the side plate 221 is fixedly welded with a front bottom plate 222 and a rear bottom plate 223 located at the front and rear parts, and a secondary rotating sleeve 224 is fixedly welded at the end of the side plate 221, and a secondary cylinder group 226 is fixedly installed on the top of the front bottom plate 222, and the outer end of the output shaft of the secondary cylinder group 226 is fixedly connected to a secondary adsorption seat 227, and the secondary flip limit assembly 22 is slidably sleeved on the secondary rotating shaft 216 through the secondary rotating sleeve 224; Among them, the flip mechanism of the LED display screen can use the main flip mechanism 1 and the auxiliary flip mechanism 2 to limit the curved screen or the flat screen according to needs, and the setting of the auxiliary flip mechanism 2 can assist the main flip mechanism 1 to efficiently flip the screen, so that it can be efficiently adsorbed and limited according to different screen requirements, which solves the problem that the existing device is difficult to effectively limit the screen according to different screen requirements.

[0021] Embodiment 2: A main air pump 113 and a secondary air pump 213 are fixedly installed on the top of the main support plate 111 and the secondary support plate 211, respectively. The output end of the main air pump 113 is connected to the arc-shaped air seat 126 and the main adsorption seat 129 in the main flipping mechanism 1, and the output end of the secondary air pump 213 is connected to the secondary adsorption seat 227; wherein, the setting of the main air pump 113 and the secondary air pump 213 can provide adsorption force for each group of cylinders in the device, so that the edge end face of the display screen can be efficiently adsorbed to ensure the limiting effect and the subsequent flipping effect.

[0022] Both the main flip mechanism 1 and the auxiliary flip mechanism 2 are provided with a pushing mechanism 3, and two groups of receiving frames 31 are provided in the pushing mechanism 3, and the two groups of receiving frames 31 are fixedly welded on the main flip limit assembly 12 and the auxiliary flip limit assembly 22 respectively; wherein, the setting of the receiving frame 31 facilitates the fixing and welding of the pushing mechanism 3 on the main flip limit assembly 12, and when the side cylinder group 32 therebetween is driven to pull back and adjust the spacing between the two groups of main flip limit assemblies 12, the display screens of different widths can be limited and clamped accordingly.

[0023] A side cylinder group 32 is provided on the inner side of the receiving frame 31, and both ends of the side cylinder group 32 are fixedly connected to the two groups of receiving frames 31. A supporting cylinder group 33 is fixedly welded on the outer wall of the two groups of receiving frames 31, and a push plate 34 is fixedly connected to the outer end of the output shaft of the supporting cylinder group 33; wherein, the setting of the supporting cylinder group 33 in the pushing mechanism 3 can adjust the position of the push plate 34, so as to utilize it to apply pressure to the display screen from the side, thereby achieving the effect of adjusting its position, so as to ensure the accuracy of the flipping position.

[0024] The input ends of the side cylinder group 32 and the support cylinder group 33 in the pushing mechanism 3 are connected with the output ends of the main air pump 113 and the auxiliary air pump 213 in the main flipping mechanism 1 and the auxiliary flipping mechanism 2; wherein, the side cylinder group 32 and the support cylinder group 33 in the pushing mechanism 3 are powered by the main air pump 113 and the auxiliary air pump 213, so that they can be limited according to the width requirements of the display screen, and can be driven and adjusted in real time.

[0025] The main adsorption seat 129 and the auxiliary adsorption seat 227 are both rectangular frames, a main limiting groove 127 is provided on the outer wall of the limiting card 121, an auxiliary limiting groove 228 is provided on the top surface of the rear bottom plate 223, and the bottom sides of the auxiliary adsorption seat 227 and the main adsorption seat 129 are provided with sliding cards that are slidably mounted in the main limiting groove 127 and the auxiliary limiting groove 228, the inner sides of the main adsorption seat 129 and the auxiliary adsorption seat 227 of the limiting card 121 are set as cavities, and the tops of the main adsorption seat 129 and the auxiliary adsorption seat 227 are provided with air holes distributed in a filled shape; wherein, the setting of the main limiting groove 127 and the auxiliary limiting groove 228 can ensure the stability of the main adsorption seat 129 and the auxiliary adsorption seat 227 when they move, and the setting of the main adsorption seat 129 and the auxiliary adsorption seat 227 can perform adsorption-type limiting on them from the edge of the flat screen to ensure the limiting effect.

[0026] The arc-shaped air seat 126 is an arc-shaped seat, and the top surface of the arc-shaped air seat 126 is provided with air holes distributed in a filled shape, and the input ends of the arc-shaped air seat 126, the main adsorption seat 129 and the auxiliary adsorption seat 227 are connected to the main air pump 113 and the rear bottom plate 223 in the main flip mechanism 1 and the auxiliary flip mechanism 2; wherein, the setting of the arc-shaped air seat 126 can efficiently adsorb the curved screen according to the needs of the curved screen, close to the edge of its outer wall, to ensure the adsorption effect and the corresponding limiting effect.

[0027] The main rotating shaft 116 and the auxiliary rotating shaft 216 are provided with a concave main card slot 117 and an auxiliary card slot 217, and the rotating sleeve 123 of the main flip limiting assembly 12 is provided with a main card tooth 124 which is slidably mounted in the main card slot 117, and the rear bottom plate 223 of the auxiliary flip limiting assembly 22 is provided with an auxiliary card tooth 225 which is slidably mounted in the auxiliary card slot 217; wherein, the setting of the main card slot 117 and the auxiliary card slot 217 can ensure the mounting effect of the rear bottom plate 223 and the rotating sleeve 123, while making it possible to smoothly move laterally under force thereon, thereby assisting the pushing mechanism 3 to adjust the spacing between the main flip limiting assembly 12 and the auxiliary flip limiting assembly 22, so as to achieve the effect of efficiently limiting the screen according to different specifications.

[0028] A main clamping block 128 located on the outside of the end of the display screen is fixedly installed on the top of the main flip limit assembly 12, and a secondary clamping block 229 located on the outside of the end of the display screen is also provided on the top of the secondary flip limit assembly 22; wherein, the main drive motor 118 and the secondary clamping block 229 are provided so as to block the flipped screen on the outside of the end to prevent it from slipping.

[0029] A vertical slide groove 115 is provided on the outer wall of the main top plate 114, and a slide bar 215 slidably mounted on the slide groove 115 is fixedly welded on the outer wall of the auxiliary top plate 214; wherein, the setting of the slide groove 115 and the auxiliary top plate 214 facilitates the adjustment of the height difference between the left and right sets of flipping mechanisms, so as to stably flip the screen according to the thickness requirements.

[0030] The flip mechanism for the LED display screen can adjust the left and right height difference according to needs through the setting of the main flip support component 11 and the auxiliary flip support component 21 to adapt to display screens of different thicknesses, and the setting of the pushing mechanism 3 can adjust the spacing between the two groups of main flip limit components 12 and the two groups of auxiliary flip limit components 22 to adapt to display screens of different widths, thereby achieving the effect of efficient limiting from the circumference to ensure accuracy during the flipping process.

[0031] In addition, the flipping mechanism of the LED display screen can provide a power source for each group of cylinders through the setting of the main air pump 113 and the auxiliary air pump 213, so as to achieve the effect of adsorption-type limiting of the screen. At the same time, it has a high degree of automation and can be fully automatically and efficiently flipped, which solves the problem that the existing devices are difficult to efficiently and fully automatically flip the screen according to needs.

[0032] The working principle and use process of the present invention are as follows: when the device is required to efficiently flip the screen, the side cylinder group 32 and the support cylinder group 33 in the pushing mechanism 3 are adjusted in advance according to the different specifications of the screen to adapt to the width specifications of the screen. At the same time, the height difference between the left and right main top plates 114 and the auxiliary top plates 214 is adjusted to adapt to the thickness of the screen. Then, the curved or flat specifications of the main flipping limit component 12 are selected according to the needs. In combination with the settings of the components in the auxiliary flipping mechanism 2, the corresponding flat screen or curved screen can be efficiently limited, and the screen can be automatically flipped accordingly by the drive of the main drive motor 118 and the auxiliary drive motor 218 to ensure the flipping effect.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A flip mechanism for an LED display screen, characterized in that: It comprises a main flipping mechanism (1) and a secondary flipping mechanism (2) which are positioned relative to each other, wherein the main flipping mechanism (1) is composed of a main flipping support component (11) and a main flipping limit component (12), and the secondary flipping mechanism (2) is composed of a secondary flipping support component (21) and a secondary flipping limit component (22); The main flip support assembly (11) comprises two sets of main support plates (111) located opposite to each other and a main hydraulic cylinder group (112) fixedly mounted on the top thereof; the top end of the output shaft of the main hydraulic cylinder group (112) is fixedly connected to a main top plate (114); a main drive motor (118) is fixedly mounted on the outer wall of the main top plate (114); and the output shaft of the main drive motor (118) is a main rotating shaft (116) between the two sets of main top plates (114); The main body of the main flip limit assembly (12) is a limit card (121), the bottom side of the limit card (121) is provided with an arc-shaped bottom plate (122), a rotating sleeve (123) is fixedly welded at the ends of the limit card (121) and the arc-shaped bottom plate (122), a curved air seat (126) is fixedly installed on the top of the curved bottom plate (122), a main cylinder group (125) is fixedly installed on the inner side of the limit card (121), and the outer end of the output shaft of the main cylinder group (125) is fixedly connected to a main adsorption seat (129) located on the top side of the curved air seat (126), and the main flip limit assembly (12) is slidably sleeved on the main rotating shaft (116) through the rotating sleeve (123); The auxiliary flip support assembly (21) comprises two sets of auxiliary support plates (211) located opposite to each other and an auxiliary hydraulic cylinder group (212) fixedly mounted on the top thereof; the top end of the output shaft of the main hydraulic cylinder group (112) is fixedly connected to an auxiliary top plate (214); an auxiliary drive motor (218) is fixedly mounted on the outer wall of the auxiliary top plate (214); and the output shaft of the auxiliary drive motor (218) is an auxiliary rotating shaft (216) between the two sets of auxiliary top plates (214); The main body of the auxiliary flip limit assembly (22) is a side plate (221), a front bottom plate (222) and a rear bottom plate (223) located at the front and rear parts are fixedly welded to the bottom side of the side plate (221), an auxiliary rotating sleeve (224) is fixedly welded at the end of the side plate (221), an auxiliary cylinder group (226) is fixedly installed on the top of the front bottom plate (222), the outer end of the output shaft of the auxiliary cylinder group (226) is fixedly connected to a auxiliary adsorption seat (227), and the auxiliary flip limit assembly (22) is slidably sleeved on the auxiliary rotating shaft (216) through the auxiliary rotating sleeve (224).

2. The flip mechanism for an LED display screen according to claim 1, characterized in that: A main air pump (113) and a secondary air pump (213) are fixedly mounted on the top of the main support plate (111) and the secondary support plate (211), respectively; the output end of the main air pump (113) is connected to the arc-shaped air seat (126) and the main adsorption seat (129) in the main turning mechanism (1), and the output end of the secondary air pump (213) is connected to the secondary adsorption seat (227).

3. The flip mechanism for an LED display screen according to claim 2, characterized in that: The main turning mechanism (1) and the auxiliary turning mechanism (2) are both provided with a pushing mechanism (3), and the pushing mechanism (3) is provided with two sets of receiving frames (31), and the two sets of receiving frames (31) are respectively fixedly welded to the main turning limit assembly (12) and the auxiliary turning limit assembly (22).

4. The flip mechanism for an LED display screen according to claim 3, characterized in that: A side cylinder group (32) is arranged on the inner side of the receiving frame (31), and both ends of the side cylinder group (32) are fixedly connected to the two groups of receiving frames (31). A supporting cylinder group (33) is fixedly welded to the outer walls of the two groups of receiving frames (31), and a push plate (34) is fixedly connected to the outer end of the output shaft of the supporting cylinder group (33).

5. The flip mechanism for an LED display screen according to claim 4, characterized in that: The input ends of the side cylinder group (32) and the branch cylinder group (33) of the pushing mechanism (3) are connected to the output ends of the main air pump (113) and the auxiliary air pump (213) in the main turning mechanism (1) and the auxiliary turning mechanism (2).

6. The flip mechanism for an LED display screen according to claim 1, characterized in that: The main adsorption seat (129) and the auxiliary adsorption seat (227) are both rectangular frames, a main limiting groove (127) is provided on the outer wall of the limiting card (121), an auxiliary limiting groove (228) is provided on the top surface of the rear bottom plate (223), and a sliding card slidably mounted in the main limiting groove (127) and the auxiliary limiting groove (228) is provided on the bottom side of the auxiliary adsorption seat (227) and the main adsorption seat (129), the inner side of the limiting card (121), the main adsorption seat (129) and the auxiliary adsorption seat (227) is set as a cavity, and the top of the main adsorption seat (129) and the auxiliary adsorption seat (227) is provided with air holes distributed in a filling state.

7. The flip mechanism for an LED display screen according to claim 6, characterized in that: The arc-shaped air seat (126) is an arc-shaped seat, and the top surface of the arc-shaped air seat (126) is provided with air holes distributed in a filling shape, and the input ends of the arc-shaped air seat (126), the main adsorption seat (129) and the auxiliary adsorption seat (227) are connected to the main air pump (113) and the rear bottom plate (223) in the main turning mechanism (1) and the auxiliary turning mechanism (2).

8. The flip mechanism for an LED display screen according to claim 1, characterized in that: The main rotating shaft (116) and the secondary rotating shaft (216) are provided with an inwardly concave main clamping groove (117) and a secondary clamping groove (217); the rotating sleeve (123) of the main flip limit assembly (12) is provided with a main clamping tooth (124) which is slidably mounted in the main clamping groove (117); and the rear bottom plate (223) of the secondary flip limit assembly (22) is provided with a secondary clamping tooth (225) which is slidably mounted in the secondary clamping groove (217).

9. The flip mechanism for an LED display screen according to claim 1, characterized in that: A main clamping block (128) located outside the end of the display screen is fixedly mounted on the top of the main flip limit assembly (12), and a secondary clamping block (229) located outside the end of the display screen is also arranged on the top of the secondary flip limit assembly (22).

10. The flip mechanism for an LED display screen according to claim 1, characterized in that: A vertical sliding groove (115) is provided on the outer wall of the main top plate (114), and a sliding bar (215) which is slidably sleeved on the sliding groove (115) is fixedly welded on the outer wall of the auxiliary top plate (214).

Images