Stable conveying device for LED display screen production

Abstract

The invention discloses a stable conveying device for LED display screen production, and relates to the technical field of conveying device design, the stable conveying device comprises a conveying fixing frame, a stable conveying unit, a display screen fixing unit and a cleaning unit, a plate type conveying belt is arranged on the conveying fixing frame, and supporting legs are arranged at the four corners of the lower side of the conveying fixing frame respectively; the positions, located on the front side and the rear side of the plate type conveying belt, of the conveying fixing frame are each provided with a stable conveying unit, sweeping units are arranged on the front side and the rear side of the conveying fixing frame, during conveying, the LED display screens are stably fixed and prevented from being damaged, during conveying, the LED display screens are prevented from deviating, and the conveying efficiency of the display screens is not affected; dust on the display screen is easier to clean, manpower is saved, and conveying cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of transmission device design, and in particular to a stable transmission device for LED display production. Background Technique

[0002] The technological progress of LEDs is the biggest driving force for expanding market demand and applications. Initially, LEDs were only used as miniature indicators in high-end devices such as computers, stereos, and video recorders. With the continuous progress of large-scale integrated circuits and computer technology, LED displays are rapidly emerging and gradually expanding into the fields of stock market machines, digital cameras, PDAs, and mobile phones. LED displays integrate microelectronics technology, computer technology, and information processing. With their advantages of bright colors, wide dynamic range, high brightness, long lifespan, and stable and reliable operation, they have become the most advantageous new generation of display media. Currently, LED displays have been widely used in large squares, commercial advertisements, stadiums, information dissemination, news release, securities trading, etc., and can meet the needs of different environments.

[0003] A conveying device is a machine that uses friction drive to continuously transport materials. By applying it, a material conveying process can be formed for materials on a certain conveying line from the initial feeding point to the final discharging point. It can not only convey bulk materials but also convey finished items. In addition to pure material conveying, it can also cooperate with the requirements of the technological processes in the production processes of various industrial enterprises to form a rhythmic flow operation transportation line for conveying LED displays.

[0004] The existing stable transmission device for LED display production has the problems that when conveying, the LED display is not fixed stably, which easily causes damage to the LED display; when the LED display is being conveyed, it is prone to deviation, affecting the conveying efficiency of the display; the dust on the display screen is not easy to clean, requiring more manpower and increasing the conveying cost. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a stable transmission device for LED display production, in which the LED display is fixed relatively stably during conveying to prevent damage to the LED display; when the LED display is being conveyed, deviation is prevented, which does not affect the conveying efficiency of the display; the dust on the display screen is easier to clean, saving manpower and reducing the conveying cost, and can effectively solve the problems in the background technique.

[0006] To achieve the above object, the present invention provides the following technical solution: A stable transmission device for LED display production, comprising a conveying fixing frame, a stable conveying unit, a display screen fixing unit, and a cleaning unit; Conveyor fixing frame: It is provided with a plate-type conveyor belt. Four support legs are respectively arranged at the four corners of the lower side of the conveyor fixing frame. A stable conveying unit is respectively arranged at the positions on the front and back sides of the plate-type conveyor belt on the conveyor fixing frame. Cleaning units are arranged on the front and back sides of the conveyor fixing frame; Display screen fixing unit: It includes a limit cylinder, a moving slider, a spring and a rectangular limit strip. Two equally spaced sliding grooves are respectively opened on each display screen fixing plate in the stable conveying unit. A limit cylinder is fixedly connected in each sliding groove. Two equally spaced moving sliders are respectively slidably connected in each sliding groove. The sliding holes on each moving slider are slidably connected to the corresponding limit cylinder. Two equally spaced springs are respectively sleeved on each limit cylinder. Two equally spaced rectangular limit strips are respectively arranged on the upper side of each display screen fixing plate. Each rectangular limit strip is fixedly connected to the corresponding moving slider.

[0007] The conveyor fixing frame is used for assembly and fixing. The plate-type conveyor belt is used for conveying the LED display screen to facilitate conveying. The stable conveying unit is used to make the conveying more stable. The cleaning unit is used to clean the LED display screen. The limit cylinder is used to make the movement of the moving slider more stable. The moving slider is used to fix the rectangular limit strip. The rectangular limit strip is used for limiting to facilitate fixing the LED display screen. The spring is used for resetting when compressed, thereby fixing and clamping the LED display screen for clamping use.

[0008] Furthermore, the display screen fixing unit further includes fastening bolts. A screw hole is respectively opened on each rectangular limit strip. Each screw hole is respectively bolt-connected to the corresponding fastening bolt. The lower end of each fastening bolt contacts the corresponding display screen fixing plate. Each rectangular limit strip is connected to the display screen fixing plate through the fastening bolt.

[0009] The fastening bolt is used to fix the display screen fixing plate to make the display screen fixing plate more stable and convenient for adjustment and fixing.

[0010] Furthermore, the display screen fixing unit further includes a sliding cylinder, a display screen fixing plate and an electromagnetic fixing block. Two equally spaced sliding grooves 1 are respectively opened at the positions on the front and back sides of the two rectangular limit strips on each display screen fixing plate. A sliding cylinder is fixedly connected in each sliding groove 1. A display screen fixing plate is respectively slidably connected in each sliding groove 1. The sliding holes on each display screen fixing plate are slidably connected to the corresponding sliding cylinder. A spring 1 is respectively sleeved on each sliding cylinder. An electromagnetic fixing block is respectively arranged on each display screen fixing plate. The four electromagnetic fixing blocks on each display screen fixing plate correspond to each other left and right.

[0011] The sliding cylinder is used to make the movement of the display fixing plate more stable. The display fixing plate is used to clamp the LED display, making the fixation of the LED display more stable. The electromagnetic fixing block uses an electromagnetic vacuum chuck to fix the LED display, making the fixation of the LED display more stable and preventing the LED display from shifting.

[0012] Furthermore, the display fixing unit further includes rubber strips. A plurality of equally spaced rubber strips are respectively arranged at positions between the corresponding two first chutes on each rectangular limiting strip, and all the rubber strips are located at corresponding front and rear positions.

[0013] The rubber strips are used to contact the LED display for protection, making the fixation of the LED display more stable.

[0014] Furthermore, the stable conveying unit includes guiding strips, supporting vertical blocks, stable pulley fixing frames, stable pulleys and connecting clamping blocks. Guiding strips are respectively fixedly connected to positions on the front and rear sides of the plate conveyor belt on the conveying fixing frame. Two equally spaced supporting vertical blocks are respectively fixedly connected to the upper surfaces of the two guiding strips. A clamping groove is respectively formed on each supporting vertical block, and each connecting clamping block is fixedly clamped in each clamping groove. Two equally spaced pulley fixing frames are arranged on the plate conveyor belt, and each pulley fixing frame is fixedly clamped with the corresponding connecting clamping block. A plurality of equally spaced stable pulleys are respectively arranged in each pulley fixing frame, and each stable pulley is rotatably connected to the corresponding pulley fixing frame.

[0015] The guiding strips are used to fix the supporting vertical blocks, the supporting vertical blocks are used to fix the stable pulley fixing frames, the stable pulley fixing frames are used to fix the stable pulleys, the stable pulleys are used to prevent the conveyed device from shifting, and thus it is used for conveying. The connecting clamping blocks are used to fix the stable pulley fixing frames on the supporting vertical blocks for disassembly and assembly, facilitating replacement and maintenance.

[0016] Furthermore, the stable conveying unit further includes clamping blocks, rectangular blocks and display fixing plates. A plurality of equally spaced rectangular blocks are respectively arranged on the conveying plates of the plate conveyor belt. A second clamping groove is respectively formed on each rectangular block, and each clamping block is fixedly clamped in each second clamping groove. Each clamping block is fixedly connected to the display fixing plate.

[0017] The clamping blocks are clamped with the rectangular blocks to fix the display fixing plates. The display fixing plates are used to fix the LED displays, and thus it is used, facilitating disassembly and assembly for maintenance.

[0018] Furthermore, the stable conveying unit further includes movable support plates. Two equally spaced movable support plates are respectively arranged on each display screen fixing plate. Wheel moving grooves are respectively formed on the non-corresponding sides of the two movable support plates on each display screen fixing plate. Each wheel moving groove corresponds to a stable pulley, and all the stable pulleys are in contact with the corresponding movable support plates.

[0019] The movable support plates are used to contact the stable pulleys to prevent the LED display screen from shifting during transportation, thereby enabling stable transportation.

[0020] Furthermore, the cleaning unit includes a support connection frame, a cleaning fixed shell, support cylinders, and a movable plate. Support connection frames are respectively arranged on the front and rear sides of the conveying fixed frame. A cleaning fixed shell is fixedly connected to the support connection frame. The cleaning fixed shell is located above the plate conveyor belt. A rectangular hole is formed on the lower side of the cleaning fixed shell. Support cylinders are respectively fixedly connected at the four corners of the rectangular hole in the cleaning fixed shell. Two equally spaced movable plates are arranged in the cleaning fixed shell. The sliding holes on each movable plate are slidably connected to the corresponding support cylinders.

[0021] The support connection frame is used to fix the cleaning fixed shell. The cleaning fixed shell is used to fix the support cylinders. The support cylinders are used to make the movement of the movable plates more stable, thereby adjusting the position to fix the cleaning device and clean the dust on the LED display screen for cleaning.

[0022] Furthermore, the cleaning unit further includes a cleaning roller fixing frame, a power mechanism, and a cleaning roller. A cleaning roller fixing frame is fixedly connected to the two movable plates. A power mechanism is arranged at the rear side of the cleaning roller fixing frame. A cleaning roller is rotatably connected in the cleaning roller fixing frame. The cleaning roller is in contact with the power mechanism. The cleaning roller fixing frame corresponds to the rectangular hole, and the cleaning roller corresponds to the display screen fixing plate. The input end of the power mechanism is electrically connected to the output end of an external power supply through an external control switch group.

[0023] The cleaning roller fixing frame is used to fix the power mechanism and the cleaning roller. The power mechanism is used to provide power for the rotation of the cleaning roller. The cleaning roller is used to clean the garbage, which is convenient for cleaning.

[0024] Furthermore, the cleaning unit further includes an electric push rod. An electric push rod is arranged on the cleaning fixed shell. The extended end of the electric push rod passes through the cleaning fixed shell and is fixedly connected to the cleaning roller fixing frame. The input end of the electric push rod is electrically connected to the output end of an external power supply through an external control switch group.

[0025] The electric push rod is started to provide power for the adjustment of the cleaning roller, which is convenient for adjusting the position and height.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This stable transmission device for LED display production has the following advantages: There is a display fixing unit. The limit cylinder is used to make the moving slider move more stably. The moving slider is used to fix the rectangular limit bar, and the rectangular limit bar is used for limiting, which is convenient for fixing the LED display. The spring is used for resetting when compressed. The fastening bolt is used to fix the display fixing plate to make the display fixing plate more stable. The sliding cylinder is used to make the display fixing plate move more stably. The display fixing plate is used to clamp the LED display to make the LED display more stable. The electromagnetic fixing block uses an electromagnetic vacuum chuck to fix the LED display. The rubber strip is used to contact the LED display for protection and for fixing and clamping the LED display. 2. This stable transmission device for LED display production has the following advantages: There is a stable conveying unit. The guiding bar is used to fix and support the vertical block. The support vertical block is used to fix the stable pulley fixing frame. The stable pulley fixing frame is used to fix the stable pulley. The stable pulley is used to prevent the conveyed device from shifting, and thus is used for conveying. The connecting clamping block is used to fix the stable pulley fixing frame on the support vertical block. The clamping block and the rectangular block are clamped to fix the display fixing plate. The display fixing plate is used to fix the LED display. The moving support plate is used to contact the stable pulley to prevent the LED display from shifting during conveying, so that the LED display is conveyed more stably and is prevented from shifting. 3. This stable transmission device for LED display production has the following advantages: There is a cleaning unit. The support connecting frame is used to fix the cleaning fixing shell. The cleaning fixing shell is used to fix the support cylinder. The support cylinder is used to make the moving plate move more stably, and thus the position is adjusted to fix the cleaning device. The cleaning roller fixing frame is used to fix the power mechanism and the cleaning roller. The power mechanism is used to provide power for the rotation of the cleaning roller. The cleaning roller is used to clean the garbage. The electric push rod is started to provide power for adjusting the cleaning roller for cleaning. 4. This stable transmission device for LED display production has the following advantages: The LED display is fixed relatively stably during conveying, preventing damage to the LED display. When the LED display is conveyed, it is prevented from shifting, which does not affect the conveying efficiency of the display. The dust on the display is easier to clean, saving manpower and reducing the conveying cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front structural schematic diagram of the present invention; Figure 2 It is a side sectional structural schematic diagram of the present invention; Figure 3Schematic diagram of the partial cross-section structure of the stable conveying unit of the present invention; Figure 4 Schematic diagram of the partial cross-section structure of the display screen fixing unit of the present invention; Figure 5 Schematic diagram of the partial cross-section structure of the cleaning unit of the present invention.

[0028] In the figure: 1 Conveying fixing frame, 2 Plate-type conveyor belt, 3 Stable conveying unit, 31 Guide strip, 32 Support vertical block, 33 Stable pulley fixing frame, 34 Stable pulley, 35 Clamping block, 36 Rectangular block, 37 Display screen fixing plate, 38 Moving support plate, 39 Connecting clamping block, 4 Display screen fixing unit, 41 Limiting cylinder, 42 Moving slider, 43 Spring, 44 Rectangular limiting strip, 45 Tightening bolt, 46 Sliding cylinder, 47 Display screen fixing plate, 48 Electromagnetic fixing block, 49 Rubber strip, 5 Cleaning unit, 51 Support connecting frame, 52 Cleaning fixing shell, 53 Support cylinder, 54 Moving plate, 55 Cleaning roller fixing frame, 56 Power mechanism, 57 Cleaning roller, 58 Electric push rod. Specific implementation manner

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figures 1-5 , this embodiment provides a technical solution: A stable transmission device for LED display production, including a conveying fixing frame 1, a stable conveying unit 3, a display screen fixing unit 4 and a cleaning unit 5; Conveying fixing frame 1: A plate-type conveyor belt 2 is provided thereon. Four support legs are respectively provided at the four corners of the lower side of the conveying fixing frame 1. A stable conveying unit 3 is respectively provided at the front and rear sides of the conveying fixing frame 1 where the plate-type conveyor belt 2 is located. Cleaning units 5 are provided on the front and rear sides of the conveying fixing frame 1; Display screen fixing unit 4: It includes a limiting cylinder 41, a moving slider 42, a spring 43 and a rectangular limiting strip 44. Two equally spaced sliding grooves are respectively opened on each display screen fixing plate 37 in the stable conveying unit 3. A limiting cylinder 41 is fixedly connected in each sliding groove. Two equally spaced moving sliders 42 are respectively slidably connected in each sliding groove. The sliding holes on each moving slider 42 are slidably connected to the corresponding limiting cylinder 41. Two equally spaced springs 43 are respectively sleeved on each limiting cylinder 41. Two equally spaced rectangular limiting strips 44 are respectively provided on the upper side of each display screen fixing plate 37. Each rectangular limiting strip 44 is fixedly connected to the corresponding moving slider 42.

[0031] The conveying fixing frame 1 is used for assembly and fixation. The plate conveyor belt 2 is used to convey the LED display screen, facilitating conveying. The stable conveying unit 3 is used to make the conveying more stable. The cleaning unit 5 is used to clean the LED display screen. The limiting cylinder 41 is used to make the moving slider 42 move more stably. The moving slider 42 is used to fix the rectangular limiting strip 44. The rectangular limiting strip 44 is used for limiting, facilitating the fixation of the LED display screen. The spring 43 is used for resetting when compressed, thereby fixing and clamping the LED display screen, and thus for clamping.

[0032] The display screen fixing unit 4 further includes fastening bolts 45. A screw hole is respectively formed in each rectangular limiting strip 44. Each screw hole is respectively bolt-connected to the corresponding fastening bolt 45. The lower end of each fastening bolt 45 contacts the corresponding display screen fixing plate 37. Each rectangular limiting strip 44 is respectively connected to the display screen fixing plate 37 through the fastening bolt 45.

[0033] The fastening bolt 45 is used to fix the display screen fixing plate 37, making the fixation of the display screen fixing plate 37 more stable and facilitating adjustment and fixation.

[0034] The display screen fixing unit 4 further includes sliding cylinders 36, display screen fixing plates 47 and electromagnetic fixing blocks 48. Two equally spaced sliding grooves 1 are respectively formed in the front and rear positions on both sides of the two rectangular limiting strips 44 on each display screen fixing plate 37. A sliding cylinder 36 is respectively fixedly connected in each sliding groove 1. A display screen fixing plate 47 is respectively slidably connected in each sliding groove 1. The sliding holes on each display screen fixing plate 47 are slidably connected to the corresponding sliding cylinders 36. A first spring is respectively sleeved on each sliding cylinder 36. An electromagnetic fixing block 48 is respectively arranged on each display screen fixing plate 47. The four electromagnetic fixing blocks 48 on each display screen fixing plate 37 correspond to each other left and right.

[0035] The sliding cylinder 36 is used to make the movement of the display screen fixing plate 47 more stable. The display screen fixing plate 47 is used to clamp the LED display screen, making the fixation of the LED display screen more stable. The electromagnetic fixing block 48 uses an electromagnetic vacuum chuck to fix the LED display screen, making the fixation of the LED display screen more stable and preventing the LED display screen from shifting.

[0036] The display screen fixing unit 4 further includes rubber strips 49. A plurality of equally spaced rubber strips 49 are respectively arranged at the positions between the corresponding two sliding grooves 1 on each rectangular limiting strip 44. All the rubber strips 49 are located at the front and rear corresponding positions.

[0037] The rubber strip 49 is used to contact the LED display screen for protection, making the fixation of the LED display screen more stable.

[0038] The stable conveying unit 3 includes a guiding strip 31, a supporting vertical block 32, a stable pulley fixing bracket 33, a stable pulley 34 and a connecting clamping block 39. A guiding strip 31 is fixedly connected to each of the front and rear sides of the plate conveyor belt 2 on the conveying fixing bracket 1. Two equally spaced supporting vertical blocks 32 are fixedly connected to the upper side surfaces of the two guiding strips 31 respectively. A clamping groove is formed in each supporting vertical block 32, and a connecting clamping block 39 is fixedly clamped in each clamping groove. Two equally spaced pulley fixing brackets 33 are arranged on the plate conveyor belt 2. Each pulley fixing bracket 33 is fixedly clamped to the corresponding connecting clamping block 39. A plurality of equally spaced stable pulleys 34 are arranged in each pulley fixing bracket 33. Each stable pulley 34 is rotatably connected to the corresponding pulley fixing bracket 33.

[0039] The guiding strip 31 is used to fix the supporting vertical block 32. The supporting vertical block 32 is used to fix the stable pulley fixing bracket 33. The stable pulley fixing bracket 33 is used to fix the stable pulley 34. The stable pulley 34 is used to prevent the conveyed device from shifting, and thus is used for conveying. The connecting clamping block 39 is used to fix the stable pulley fixing bracket 33 on the supporting vertical block 32 for disassembly and assembly, so as to facilitate replacement and maintenance.

[0040] The stable conveying unit 3 further includes a clamping block 35, a rectangular block 36 and a display screen fixing plate 37. A plurality of equally spaced rectangular blocks 36 are arranged on the conveying plate of the plate conveyor belt 2. A second clamping groove is formed in each rectangular block 36, and a clamping block 35 is fixedly clamped in each second clamping groove. Each clamping block 35 is fixedly connected to the display screen fixing plate 37.

[0041] The clamping block 35 and the rectangular block 36 are clamped to fix the display screen fixing plate 37. The display screen fixing plate 37 is used to fix the LED display screen, and thus is used, which is convenient for disassembly and assembly for maintenance.

[0042] The stable conveying unit 3 further includes a moving support plate 38. Two equally spaced moving support plates 38 are arranged on each display screen fixing plate 37. Wheel moving grooves are formed on the non-corresponding sides of the two moving support plates 38 on each display screen fixing plate 37. Each wheel moving groove corresponds to the stable pulley 34. All the stable pulleys 34 are in contact with the corresponding moving support plates 38.

[0043] The moving support plate 38 is used to contact the stable pulley 34 to prevent the LED display screen from shifting during conveying, and thus is used for stable conveying.

[0044] The cleaning unit 5 includes a support connection frame 51, a cleaning fixed housing 52, a support cylinder 53 and a moving plate 54. Support connection frames 51 are respectively arranged on the front and rear sides of the conveying fixed frame 1. A cleaning fixed housing 52 is fixedly connected to the support connection frame 51. The cleaning fixed housing 52 is located above the plate conveyor belt 2. A rectangular hole is opened on the lower side of the cleaning fixed housing 52. Support cylinders 53 are respectively fixedly connected to the four corners of the rectangular hole inside the cleaning fixed housing 52. Two equally spaced moving plates 54 are arranged inside the cleaning fixed housing 52. The sliding holes on each moving plate 54 are slidably connected to the corresponding support cylinders 53.

[0045] The support connection frame 51 is used to fix the cleaning fixed housing 52. The cleaning fixed housing 52 is used to fix the support cylinder 53. The support cylinder 53 is used to make the movement of the moving plate 54 more stable, thereby adjusting the position to fix the cleaning device for cleaning the dust on the LED display screen and for cleaning use.

[0046] The cleaning unit 5 further includes a cleaning roller fixed frame 55, a power mechanism 56 and a cleaning roller 57. A cleaning roller fixed frame 55 is fixedly connected to the two moving plates 54. A power mechanism 56 is arranged at the rear side of the cleaning roller fixed frame 55. A cleaning roller 57 is rotatably connected inside the cleaning roller fixed frame 55. The cleaning roller 57 is in contact with the power mechanism 56. The cleaning roller fixed frame 55 corresponds to the rectangular hole. The cleaning roller 57 corresponds to the display screen fixing plate 37. The input end of the power mechanism 56 is electrically connected to the output end of the external power supply through an external control switch group.

[0047] The cleaning roller fixed frame 55 is used to fix the power mechanism 56 and the cleaning roller 57. The power mechanism 56 is used to provide power for the rotation of the cleaning roller 57. The cleaning roller 57 is used to clean the garbage, which is convenient for cleaning use.

[0048] The cleaning unit 5 further includes an electric push rod 58. An electric push rod 58 is arranged on the cleaning fixed housing 52. The extension end of the electric push rod 58 passes through the cleaning fixed housing 52 and is fixedly connected to the cleaning roller fixed frame 55. The input end of the electric push rod 58 is electrically connected to the output end of the external power supply through an external control switch group.

[0049] When the electric push rod 58 is started, it provides power for the adjustment of the cleaning roller 57, which is convenient for adjusting the position and for adjusting the height for use.

[0050] The working principle of a stable transmission device for LED display production provided by the present invention is as follows: First, the limit cylinder 41 is used to make the movement of the moving slider 42 more stable. The moving slider 42 is used to fix the rectangular limit strip 44. The rectangular limit strip 44 is used for limiting, facilitating the fixation of the LED display. The spring 43 is used for resetting when compressed. The fastening bolt 45 is used to fix the display fixing plate 37 to make the display fixing plate 37 more stable. The sliding cylinder 36 is used to make the movement of the display fixing plate 47 more stable. The display fixing plate 47 is used to clamp the LED display to make the fixation of the LED display more stable. The electromagnetic fixing block 48 uses an electromagnetic vacuum chuck to fix the LED display. The rubber strip 49 is used to contact the LED display to fix the LED display. Then, the guiding strip 31 is used to fix the supporting vertical block 32. The supporting vertical block 32 is used to fix the stable pulley fixing frame 33. The stable pulley fixing frame 33 is used to fix the stable pulley 34. The stable pulley 34 is used to prevent the conveying device from deviating, and thus is used for conveying. The connecting clamping block 39 is used to fix the stable pulley fixing frame 33 on the supporting vertical block 32. The clamping block 35 and the rectangular block 36 are clamped to fix the display fixing plate 37. The display fixing plate 37 is used to fix the LED display. The moving support plate 38 is used to contact the stable pulley 34 to prevent the LED display from deviating during conveying and make the conveying of the LED display more stable. At the same time, the support connecting frame 51 is used to fix the cleaning fixing shell 52. The cleaning fixing shell 52 is used to fix the supporting cylinder 53. The supporting cylinder 53 is used to make the movement of the moving plate 54 more stable, thereby adjusting the position to fix the cleaning device. The cleaning roller fixing frame 55 is used to fix the power mechanism 56 and the cleaning roller 57. The power mechanism 56 is used to provide power for the rotation of the cleaning roller 57. The cleaning roller 57 is used to clean the garbage. The electric push rod 58 is started to provide power for the adjustment of the cleaning roller 57 for cleaning use.

[0051] It should be noted that in the above embodiments, the core chip of the external control switch group is selected as a PLC single-chip microcomputer, and the external control switch group controls the electric push rod 58, the power mechanism 56, the electromagnetic fixing block 48 and the plate conveyor belt 2 using the commonly used methods in the prior art.

[0052] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A stable transmission device for LED display production, characterized in that: It includes a conveying fixing frame (1), a stable conveying unit (3), a display screen fixing unit (4), and a cleaning unit (5); Conveying fixing frame (1): A plate conveyor belt (2) is arranged on it. Four support legs are respectively arranged at the four corners on the lower side of the conveying fixing frame (1). A stable conveying unit (3) is respectively arranged at the positions on the front and back sides of the plate conveyor belt (2) on the conveying fixing frame (1). Cleaning units (5) are arranged on the front and back sides of the conveying fixing frame (1); Display screen fixing unit (4): It includes a limiting cylinder (41), a moving slider (42), a spring (43), and a rectangular limiting strip (44). Two equally spaced sliding grooves are respectively opened on each display screen fixing plate (37) in the stable conveying unit (3). A limiting cylinder (41) is fixedly connected in each sliding groove. Two equally spaced moving sliders (42) are respectively slidably connected in each sliding groove. The sliding holes on each moving slider (42) are slidably connected to the corresponding limiting cylinder (41). Two equally spaced springs (43) are respectively sleeved on each limiting cylinder (41). Two equally spaced rectangular limiting strips (44) are respectively arranged on the upper side of each display screen fixing plate (37). Each rectangular limiting strip (44) is fixedly connected to the corresponding moving slider (42).

2. The stable transmission device for LED display production according to claim 1, wherein: The display screen fixing unit (4) further includes a fastening bolt (45). A screw hole is respectively opened on each rectangular limiting strip (44). Each screw hole is respectively bolt-connected to the corresponding fastening bolt (45). The lower end of each fastening bolt (45) contacts the corresponding display screen fixing plate (37). Each rectangular limiting strip (44) is respectively connected to the display screen fixing plate (37) through the fastening bolt (45).

3. A stable transmission device for LED display production according to claim 1, characterized in that: The display screen fixing unit (4) further includes a sliding cylinder (36), a display screen fixing plate (47), and an electromagnetic fixing block (48). Two equally spaced sliding grooves 1 are respectively opened at the positions on the front and back sides of the two rectangular limiting strips (44) on each display screen fixing plate (37). A sliding cylinder (36) is fixedly connected in each sliding groove 1. A display screen fixing plate (47) is respectively slidably connected in each sliding groove 1. The sliding holes on each display screen fixing plate (47) are slidably connected to the corresponding sliding cylinder (36). A spring 1 is respectively sleeved on each sliding cylinder (36). An electromagnetic fixing block (48) is respectively arranged on each display screen fixing plate (47). The four electromagnetic fixing blocks (48) on each display screen fixing plate (37) correspond to each other left and right.

4. A stable transmission device for LED display production according to claim 1, characterized in that: The display screen fixing unit (4) further includes a rubber strip (49). A plurality of equally spaced rubber strips (49) are respectively arranged at the positions between the corresponding two sliding grooves 1 on each rectangular limiting strip (44). All the rubber strips (49) are located at the front and back corresponding positions.

5. The stable transmission device for LED display production according to claim 1, characterized in that: The stable conveying unit (3) includes a guiding strip (31), a supporting vertical block (32), a stable pulley fixing bracket (33), a stable pulley (34) and a connecting clamping block (39). On the conveying fixing bracket (1), a guiding strip (31) is fixedly connected respectively at positions on the front and rear sides of the plate-type conveyor belt (2). On the upper side surfaces of the two guiding strips (31), two equally spaced supporting vertical blocks (32) are fixedly connected respectively. A clamping groove is provided on each supporting vertical block (32), and a connecting clamping block (39) is fixedly clamped in each clamping groove. Two equally spaced pulley fixing brackets (33) are provided on the plate-type conveyor belt (2). Each pulley fixing bracket (33) is fixedly clamped with the corresponding connecting clamping block (39). A plurality of equally spaced stable pulleys (34) are respectively arranged in each pulley fixing bracket (33), and each stable pulley (34) is rotatably connected to the corresponding pulley fixing bracket (33).

6. The stable transmission device for LED display production according to claim 5, characterized in that: The stable conveying unit (3) further includes a clamping block (35), a rectangular block (36) and a display screen fixing plate (37). A plurality of equally spaced rectangular blocks (36) are respectively arranged on the conveying plate of the plate-type conveyor belt (2). A second clamping groove is provided in each rectangular block (36), and a clamping block (35) is fixedly clamped in each second clamping groove. Each clamping block (35) is fixedly connected to a display screen fixing plate (37).

7. A stable transmission device for LED display production according to claim 6, characterized in that: The stable conveying unit (3) further includes a moving support plate (38). Two equally spaced moving support plates (38) are respectively arranged on each display screen fixing plate (37). Wheel moving grooves are respectively provided on the non-corresponding sides of the two moving support plates (38) on each display screen fixing plate (37). Each wheel moving groove corresponds to a stable pulley (34), and all the stable pulleys (34) are respectively in contact with the corresponding moving support plates (38).

8. A stable transmission device for LED display production according to claim 1, characterized in that: The cleaning unit (5) includes a supporting connecting frame (51), a cleaning fixing shell (52), a supporting cylinder (53) and a moving plate (54). Supporting connecting frames (51) are respectively arranged on the front and rear sides of the conveying fixing bracket (1). A cleaning fixing shell (52) is fixedly connected to the supporting connecting frame (51). The cleaning fixing shell (52) is located above the plate-type conveyor belt (2). A rectangular hole is provided on the lower side of the cleaning fixing shell (52). A supporting cylinder (53) is fixedly connected respectively at the four corners of the rectangular hole in the cleaning fixing shell (52). Two equally spaced moving plates (54) are arranged in the cleaning fixing shell (52), and the sliding holes on each moving plate (54) are slidably connected to the corresponding supporting cylinders (53).

9. The stable transmission device for LED display production according to claim 8, wherein: The cleaning unit (5) further includes a cleaning roller fixing bracket (55), a power mechanism (56) and a cleaning roller (57). A cleaning roller fixing bracket (55) is fixedly connected to the two moving plates (54). A power mechanism (56) is arranged at the rear side of the cleaning roller fixing bracket (55). A cleaning roller (57) is rotatably connected inside the cleaning roller fixing bracket (55). The cleaning roller (57) is in contact with the power mechanism (56). The cleaning roller fixing bracket (55) corresponds to the rectangular hole. The cleaning roller (57) corresponds to the display screen fixing plate (37). The input end of the power mechanism (56) is electrically connected to the output end of the external power supply through an external control switch group.

10. A stable transmission device for LED display production according to claim 9, characterized in that: The cleaning unit (5) further includes an electric push rod (58). An electric push rod (58) is arranged on the cleaning fixed housing (52). The extended end of the electric push rod (58) passes through the cleaning fixed housing (52) and is fixedly connected to the cleaning roller fixing bracket (55). The input end of the electric push rod (58) is electrically connected to the output end of the external power supply through an external control switch group.

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