High-transmittance and low-reflection polaroid processing equipment

Abstract

The invention relates to high-transmittance and low-reflection polaroid machining equipment which comprises a rack and a grinding mechanism and further comprises a rotating disc, the rotating disc is installed on the rack, the rotating disc comprises a first area and a second area, the first area and the second area are arranged in the circumferential direction of the rotating disc, when the first area is located on a feeding and discharging station, the second area is located on an edge grinding station, and when the second area is located on an edge grinding station, the rotating disc is driven by the rotating disc; when the first area is located at the edge grinding station, the second area is located at the feeding and discharging station. The positioning plate comprises a first positioning plate and a second positioning plate; when the first area is located at the feeding and discharging station, the locking assembly is connected with the first positioning plate, so that the first positioning plate is fixed to the rotary disc, the locking assembly is separated from the second positioning plate, and the second positioning plate can be away from the polaroid in the edge grinding station; the first pressing device comprises a first pressing assembly and a second pressing assembly; the second pressing device is arranged on the outer side of the rotating disc and located at the edge grinding station; the problem that in the prior art, the edging machining efficiency of the polaroid is low is solved.

Description

Technical Field

[0001] The present application relates to the field of intelligent manufacturing and processing technology, and specifically to a polarizer processing device. Background Art

[0002] The full name of polarizer is polarizing film. The imaging of liquid crystal display must rely on polarized light. All liquid crystals have two polarizers in front and behind that are close to the liquid crystal glass, forming a liquid crystal film with a total thickness of about 1mm. If any polarizer is missing, the liquid crystal film cannot display images. High transmittance, low reflection polarizer is a display technology component with excellent optical performance, mainly used in display devices such as liquid crystal displays (LCD).

[0003] With the continuous advancement of display technology and the expansion of application fields, high-transmittance, low-reflection polarizers are increasingly used in the field of high-end displays. For example, in portable electronic devices such as smartphones, tablets, and laptops, the use of such polarizers can significantly improve display effects and user experience. At the same time, in the field of in-vehicle displays, due to the particularity of the driving environment, the performance requirements for polarizers are more stringent. High-transmittance, low-reflection polarizers can ensure clear and stable display effects under various lighting conditions, improving driving safety.

[0004] With the continuous expansion of the global consumer electronics market and the increasing demand of consumers for high-quality displays, the market demand for high-transmittance, low-reflection polarizers continues to grow. In order to meet market demand, polarizer manufacturers continue to innovate technology and upgrade products. For example, by introducing new materials and optimizing production processes to improve the transmittance of polarizers and reduce reflectivity.

[0005] The production process of high-transmittance, low-reflection polarizers is relatively complicated and has relatively high requirements on equipment. During the production and processing of existing high-transmittance, low-reflection polarizers, the interval between edge grinding of one stack of polarizers and edge grinding of the next stack of polarizers is relatively long, resulting in low production efficiency. Summary of the invention

[0006] The purpose of the present application is to provide a high-transmittance, low-reflection polarizer processing equipment, which is used to solve the problem of low efficiency of polarizer edge grinding processing due to structural defects in the prior art.

[0007] In order to achieve the above purpose, the technical solution adopted in this application is as follows: A high-transmittance, low-reflection polarizer processing equipment, including a frame and a grinding mechanism, also includes: a turntable, the turntable is horizontally installed on the frame, the turntable includes a first area and a second area, the first area and the second area are arranged along the circumference of the turntable, when the turntable rotates to drive the first area to be located at a loading and unloading station, the second area is located at an edge grinding station, and when the first area is located at the edge grinding station, the second area is located at the loading and unloading station; a positioning plate, including a first positioning plate located in the first area and a second positioning plate located in the second area; a locking assembly, when the first area is located at the loading and unloading station, the locking assembly is connected to the first positioning plate, so that the first positioning plate is fixed on the turntable On the turntable, the locking assembly is separated from the second positioning plate, so that the second positioning plate can be away from the polarizer in the edging station, and when the first area is located in the edging station, the locking assembly is separated from the first positioning plate, so that the first positioning plate can be away from the polarizer in the edging station, and the locking assembly is connected to the second positioning plate, so that the second positioning plate is fixed on the turntable; a first clamping device includes a first clamping assembly located in the first area and a second clamping assembly located in the second area, and the clamping assembly can clamp or move away from the polarizer in the corresponding area; a second clamping device is arranged on the outside of the turntable and located in the edging station, and the second clamping device can clamp or move away from the polarizer in the edging area.

[0008] Furthermore, the turntable also includes a third area, the first area, the second area and the third area are evenly arranged along the circumference of the turntable, and the frame is provided with an inspection station between the loading and unloading station and the edging station; the positioning plate also includes a third positioning plate located in the third area; when the turntable rotates to drive the first area / second area / third area to be located at the loading and unloading station, the locking assembly is connected to the positioning plate of the area located at the loading and unloading station, so that the positioning plate located in the loading and unloading station is fixed on the turntable, and the locking assembly is separated from the positioning plates of the areas located in the other two stations, so that the positioning plates in the areas located in the inspection station and the edging station can be away from the polarizer in the corresponding station; the first clamping device also includes a third clamping assembly located in the third area, and the third clamping assembly can clamp or move away from the polarizer in the third area.

[0009] Furthermore, an active rotating component is provided in the middle of the turntable and a driven rotating component is provided at the edge. Three driven rotating components are provided corresponding to the three areas on the turntable. A connecting member is provided between the driven rotating component and the active rotating component. One end of the connecting member is fixedly connected to the active rotating component, and the other end is rotatably connected to the driven rotating component. A driving component for driving the driven rotating component to rotate is provided between the active rotating component and the driven rotating component.

[0010] Furthermore, the active rotating component includes a driving motor and a driving shaft, the driving motor is fixedly mounted on a frame, the driving shaft is vertically arranged and rotatably mounted on the frame, the top end of the driving shaft is fixedly connected to the bottom of the turntable, and the bottom end is fixedly connected to the output end of the driving motor, the driven rotating component includes a vertically arranged driven shaft, the connecting part includes a first sleeve fixedly mounted on the driving shaft, a second sleeve rotatably mounted on the driven shaft, and a connecting rod located between the first sleeve and the second sleeve, and the two ends of the connecting rod are respectively fixedly connected to the first sleeve and the second sleeve.

[0011] Furthermore, the driving assembly includes a rotating gear and a third sleeve, the third sleeve is coaxially rotatably sleeved on the bottom of the driving shaft, a bracket is arranged between the bottom of the third sleeve and the frame, the two ends of the bracket are respectively fixedly connected to the third sleeve and the frame, an incomplete gear is fixedly sleeved on the top of the third sleeve, the rotating gear corresponds to the driven shaft one by one and is fixedly sleeved on the corresponding driven shaft, and when the turntable rotates to drive the first area / second area / third area to rotate from the detection station to the edging station, the rotating gear of the first area / second area / third area meshes with the incomplete gear for transmission.

[0012] Furthermore, the first positioning plate, the second positioning plate and the third positioning plate have the same structure, the first positioning plate is an L-shaped plate, and an extension plate is provided on the side of the free end of the vertical section of the first positioning plate facing away from the horizontal section of the first positioning plate, and the angle between the extension plate and the vertical section of the first positioning plate is 90-180°, the driven shaft is rotatably passed through the turntable, and the end of the extension plate away from the first positioning plate is fixedly sleeved on the surface of the driven shaft located above the turntable.

[0013] Furthermore, the frame is fixedly provided with an annular frame on the outside of the three rotating gears, and an incomplete tooth segment is arranged on the inside of the annular frame. When the turntable rotates to drive the first area / second area / third area to rotate from the edging station to the loading and unloading station, the rotating gears of the first area / second area / third area mesh with the incomplete tooth segment for transmission.

[0014] Furthermore, the locking assembly includes a locking gear and a fixing ring, the locking gear corresponds to the driven shaft one by one and is fixedly sleeved on the corresponding driven shaft, the fixing ring is fixedly sleeved on the driving shaft, and a fixing block is provided on the surface of the fixing ring along the circumferential direction corresponding to each locking gear, a cavity is provided inside the fixing block, an electromagnet is fixed at the inner end of the cavity, an iron block is slidably connected in the cavity, the side of the iron block away from the electromagnet passes through the side wall of the cavity and can extend out of the fixing block, a spring is sleeved on the surface of the part of the iron block located in the cavity, and the two ends of the spring are fixedly connected to the iron block and the side wall of the cavity respectively, when the electromagnet is energized, a repulsive force is generated between the electromagnet and the iron block, the iron block extends out of the fixing block and can be stuck in the tooth groove of the locking gear.

[0015] Furthermore, a battery is arranged inside the driving shaft or the fixed ring, a mounting plate is arranged on the outer side of the turntable of the frame, the second clamping device is located on the mounting plate, a conductive strip is buried in the inner wall of the mounting plate along the circumference of the turntable, and three pairs of conductive sheets are embedded in the three areas corresponding to the outer wall of the turntable, each pair of the conductive sheets is two conductive sheets arranged at intervals, and the three pairs of the conductive sheets are connected in parallel with each other through wires and are electrically connected to the electromagnet and the output end of the battery; when the turntable rotates and drives the first area / the second area / the third area to be located at the loading and unloading stations, the two conductive sheets corresponding to the area located at the loading station are connected through the conductive strip, and the two conductive sheets corresponding to the area located at the detection station and the two conductive sheets corresponding to the area located at the edging station are not connected.

[0016] Furthermore, three partitions are fixed on the upper surface of the turntable, and the three partitions are evenly distributed on the turntable, and divide the upper surface of the turntable into the first area, the second area and the third area.

[0017] Beneficial effects of this application: 1. By setting up a turntable, loading and unloading, testing, and edging processes can be carried out simultaneously at different stations, realizing parallel operation between processes. For example, when a stack of polarizers is being polished at the edging station, the loading and unloading station can simultaneously take out the previous stack of polarizers and place the new stack of polarizers, and the testing station can also test the other stack of polarizers, greatly reducing the waiting time between processes and improving production efficiency. The rotation of the turntable allows the operation of each station to proceed continuously without interruption. During the rotation of the turntable, each station can continuously perform loading and unloading, testing, and edging operations, forming a continuous production process and further improving production efficiency.

[0018] By integrating the processes of loading and unloading, inspection and edge grinding into a turntable device, the footprint is small. Compared with traditional edge grinding equipment, the turntable design is more compact, can realize more functions in a limited space, and improves space utilization. The area division on the turntable can ensure the accuracy of each workstation, so that the positioning of the polarizer during loading and unloading, inspection and edge grinding is more accurate, which helps to improve the quality of edge grinding, reduce errors and defective products in the edge grinding process, and ensure the quality stability and consistency of the product. Other advantages, objectives and features of the present application will be explained to some extent in the subsequent description, and to some extent, it will be obvious to those skilled in the art based on the investigation and research below, or can be taught from the practice of the present application. The objectives and other advantages of the present application can be achieved and obtained through the following specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-transmittance, low-reflection polarizer processing equipment for this application; Figure 2 This is a partial structural schematic diagram of a high-transmittance, low-reflection polarizer processing device for the present application; Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle; Figure 4 This is a schematic diagram of the structure of a turntable in a high-transmittance, low-reflection polarizer processing device of the present application; Figure 5 This is a schematic diagram of the installation structure of an active rotating component, a driven rotating component and a driving component in a high-transmittance, low-reflection polarizer processing device of the present application; Figure 6 for Figure 5 A partial structural diagram of Figure 7 This is a schematic diagram of the structure of a locking assembly in a high-transmittance, low-reflection polarizer processing device of the present application; Figure 8 This is a cross-sectional view of a fixing block in a high-transmittance, low-reflection polarizer processing device of the present application.

[0020] Among them, a support plate 11, a mounting plate 12, and a second pressing device 13; Rotating disk 2, first area 21, second area 22, third area 23, partition 24, conductive sheet 25, driving shaft 26; A first pressing assembly 3, a pressing block 31, a rotating cylinder 32, a sliding block 33, a screw 34, a worm gear 35, a worm 36, and a rotating motor 37; A first positioning plate 41, a second positioning plate 42, a third positioning plate 43, and an extension plate 44; Polarizer 5; A first sleeve 61, a second sleeve 62, and a connecting rod 63; Fixed ring 71, fixed block 72, cavity 73, electromagnet 74, iron block 75, spring 76; Driven shaft 81, locking gear 82, rotating gear 83; The third sleeve 91 , the incomplete gear 92 , the bracket 93 , the annular frame 94 , the incomplete gear segment 95 , and the support rod 96 . DETAILED DESCRIPTION

[0021] The following will describe the implementation methods of the present application with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be understood that the preferred embodiments are only for illustrating the present application, not for limiting the scope of protection of the present application.

[0022] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application, and thus the drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0023] A high transmittance, low reflection polarizer processing equipment, such as Figures 1 to 8 As shown, it includes a frame and a grinding mechanism (not shown in the figure). In this embodiment, the frame only shows the structural schematic diagram of its support plate 11, and the remaining structural diagrams of the frame are not shown. It should be noted that the grinding mechanism in this embodiment can move along the X-axis and the Y-axis on the horizontal plane, and can be lifted and lowered at the same time, so as to grind the polarizer 5 with edge grinding folded into a rectangular shape. The existing technologies for the structures of the frame and the grinding mechanism have been fully disclosed and will not be elaborated here.

[0024] The polarizer 5 processing equipment also includes: The turntable 2 is horizontally mounted on the frame, and the turntable 2 can rotate along a preset direction. The turntable 2 includes a first area 21 and a second area 22. The first area 21 and the second area 22 are arranged along the circumference of the turntable 2. When the turntable 2 rotates and drives the first area 21 to be located at the loading and unloading station, the second area 22 is located at the edge grinding station, and when the first area 21 is located at the edge grinding station, the second area 22 is located at the loading and unloading station. In this embodiment, the first area 21 and the second area 22 can be symmetrically distributed on both sides of the upper surface of the turntable 2, and the loading and unloading stations and the edge grinding stations are also symmetrically distributed on both sides of the turntable 2 accordingly. When the first area 21 is located at the loading and unloading station, the operator loads the first stack of polarizers to be edged 5 from the loading and unloading station into the first area 21, and the turntable 2 rotates 180° and is located in the first area 21. The first stack of polarizers 5 to be edged arrives at the edge grinding station and can be edged. At the same time, the second area 22 is rotated from the edge grinding station to the loading and unloading station. When the first stack of polarizers 5 to be edged is being polished, the second stack of polarizers 5 to be edged can be loaded to the loading and unloading station. After the first stack of polarizers 5 is processed, the turntable 2 is rotated 180° again, and the second stack of polarizers 5 to be edged is rotated to the edge grinding station to start processing. The first stack of polarizers 5 is rotated to the loading and unloading station, and the edged first stack of polarizers 5 5 can be unloaded, and the third stack of polarizers 5 to be edged can be loaded. Repeating the above operation can realize continuous loading and continuous edge grinding of the polarizers 5. The polarizers 5 can complete the unloading operation of the edged polarizers 5 and the loading operation of the polarizers 5 to be edged while edge grinding, which greatly improves the edge grinding efficiency of the polarizers 5. The positioning plate includes a first positioning plate 41 located in the first area 21 and a second positioning plate 42 located in the second area 22. The first positioning plate 41 and the second positioning plate 42 have the same structure and are used to provide positioning for the polarizer 5 to be edged and fed, so as to facilitate the alignment of the polarizer 5. The locking assembly, when the first area 21 is located at the loading and unloading station, the locking assembly is connected to the first positioning plate 41, so that the first positioning plate 41 is fixed on the turntable 2. At this time, the first positioning plate 41 can position the polarizer 5 at the loading and unloading station, so that the polarizer 5 is aligned. The locking assembly is separated from the second positioning plate 42, so that the second positioning plate 42 can be away from the polarizer 5 in the edging station. When the second positioning plate 42 is away from the polarizer 5 in the edging station, the grinding mechanism can perform peripheral grinding on the polarizer 5 in the edging station Grinding, and, when the first area 21 is located at the edge grinding station, the locking assembly is separated from the first positioning plate 41, so that the first positioning plate 41 can be away from the polarizer 5 in the edge grinding station, when the first positioning plate 41 is away from the polarizer 5 in the edge grinding station, the grinding mechanism can grind the periphery of the polarizer 5 in the edge grinding station, the locking assembly is connected to the second positioning plate 42, so that the second positioning plate 42 is fixed on the turntable 2, at this time, the second positioning plate 42 can position the polarizer 5 in the loading and unloading station, so as to facilitate the alignment of the polarizer 5; The first pressing device includes a first pressing assembly 3 located in the first area 21 and a second pressing assembly located in the second area 22. The first pressing assembly 3 and the second pressing assembly have the same structure. The pressing assembly can press or move away from the polarizer 5 in the corresponding area. The function of the pressing assembly is to press the polarizer 5 from the upper surface of the polarizer 5 so that the polarizer 5 does not move during grinding. At the same time, the pressing assembly can be loosened from the polarizer 5 to facilitate loading and unloading of the polarizer 5. The second clamping device 13 is arranged on the outside of the turntable 2 and is located at the edging station. The second clamping device 13 can clamp or move away from the polarizer 5 in the edging area. In this embodiment, the second clamping device 13 can adopt the same structure as the prior art, that is, two cylinders are used as driving force, one cylinder controls the vertical lifting of the clamping block 31, and the other cylinder controls the horizontal movement of the clamping block 31. The clamping block 31 of the second clamping device 13 is matched with the clamping block 31 of the first clamping device.

[0025] like Figure 1 and Figure 2 As shown, the turntable 2 also includes a third area 23, and the first area 21, the second area 22 and the third area 23 are evenly arranged along the circumference of the turntable 2. Specifically, three transparent partitions 24 are vertically fixed to the upper surface of the turntable 2. The three partitions 24 are evenly distributed on the turntable 2, and the upper surface of the turntable 2 is evenly divided into the first area 21, the second area 22 and the third area 23. Since the debris generated during grinding at the edge grinding station will splash around, the partition 24 can block the debris generated by edge grinding so that it can only fall into the area within the edge grinding station to avoid affecting the operations in the other two areas, and it is also convenient for the subsequent cleaning of the debris.

[0026] The frame is provided with an inspection station between the loading and unloading station and the edge grinding station. Specifically, the frame is provided with three stations in the circumference of the turntable 2, which are the loading and unloading station, the inspection station and the edge grinding station in order according to the rotation direction of the turntable 2. The three stations are evenly distributed in the circumference of the turntable 2. In this embodiment, the inspection station can be inspected by sensors, cameras and other components. The inspection content may include whether there is material leakage, the thickness of the polarizer 5, whether the polarizer 5 is neatly stacked, etc., and an alarm device may also be provided. When material leakage is caused by negligence of the staff, an alarm may be given. Or when a mechanical failure occurs, an alarm may also be given.

[0027] The positioning plate further includes a third positioning plate 43 located in the third area 23; In the above embodiment, it should be understood that the third area 23 can be multiple. For example, if there are two third areas 23, a total of four areas formed by the first area 21, the second area 22 and the two third areas 23 are evenly distributed on the turntable 2, that is, each area is 90°. In this embodiment, the third area 23 is preferably one.

[0028] When the first area 21 is located at the loading and unloading station, the second area 22 is located at the edging station, and the third area 23 is located at the inspection station, the locking assembly is separated from the third positioning plate 43, so that the third positioning plate 43 can be away from the polarizer 5 in the inspection station. In this embodiment, when the turntable 2 rotates to drive the first area 21 / the second area 22 / the third area 23 to be located at the loading and unloading station, the locking assembly is connected to the positioning plate of the area located at the loading and unloading station, so that the positioning plate located in the loading and unloading station is fixed on the turntable 2 to facilitate loading, while the positioning plates of the areas located in the other two stations are separated from the locking assembly, so that the positioning plates of the areas located at the inspection station and the edging station can be away from the polarizer 5 in the corresponding stations.

[0029] The first clamping device also includes a third clamping assembly located in the third area 23, and the third clamping assembly can clamp or move away from the polarizer 5 in the third area 23. In this embodiment, the third clamping assembly has the same structure and function as the first clamping assembly 3. Specifically, in the related art, the clamping device usually uses two cylinders to control the vertical lifting and horizontal movement of the clamping block 31, so as to facilitate approaching and clamping the polarizer 5, or loosening and moving away from the polarizer 5. Since the three clamping assemblies will rotate with the turntable 2, if the cylinder is used as the driving source, the air source line is difficult to design. Therefore, the clamping device of this embodiment uses a motor and a screw 34 structure for vertical lifting, and is driven to rotate by a worm gear 35 and a worm 36 mechanism, so that it can move away from the polarizer 5. The third clamping assembly includes a rotating cylinder 32, which is rotatably mounted on the upper surface of the turntable 2 through a bearing, a worm gear 35 is fixedly sleeved on the bottom surface of the rotating cylinder 32, and a rotating motor 37 is fixedly mounted on the turntable 2. A worm 36 meshing with the worm gear 35 is fixedly mounted on the output end of the rotating motor 37. When the rotating motor 37 rotates, the rotating cylinder 32 can be driven to rotate through the transmission of the worm 36 and the worm gear 35; an inner cavity is provided at the bottom of the rotating cylinder 32, and a power motor (not shown in the figure) is fixedly mounted on the inner wall of the inner cavity; a sliding cavity is axially provided at the top of the rotating cylinder 32, and a screw rod 34 is rotatably mounted in the sliding cavity, the bottom end of the screw rod 34 is fixedly connected to the output end of the power motor, and a slider 33 is threadedly connected to the surface of the screw rod 34, the slider 33 can slide in the vertical direction in the sliding cavity, and the slider 33 cannot rotate in the sliding cavity. One side of the slider 33 extends out of the rotating cylinder 32 and is provided with a clamping block 31, and the screw rod 34 is driven to rotate by the power motor, so that the slider 33 and the clamping block 31 can be driven to rise and fall in the vertical direction.

[0030] An active rotating component is provided in the middle of the turntable 2, and a driven rotating component is provided at the edge. Three driven rotating components are provided corresponding to the three areas on the turntable 2. A connecting piece is provided between the driven rotating component and the active rotating component. One end of the connecting piece is fixedly connected to the active rotating component, and the other end is rotatably connected to the driven rotating component. A driving component for driving the driven rotating component to rotate is provided between the active rotating component and the driven rotating component.

[0031] In fact, the active rotating component can be an active motor and an active shaft 26, and the driven rotating component can be a driven motor and a driven shaft 81. The active motor is fixedly mounted on the frame and is located at the bottom of the support plate 11 of the frame. The top end of the active shaft 26 is fixedly connected to the bottom of the turntable 2, and the bottom end of the active shaft 26 passes through the support plate 11 and is fixedly connected to the output end of the active motor. The driven motor is fixedly mounted at the edge of the upper surface of the turntable 2, and the top end of the driven shaft 81 passes through the turntable 2 and is fixedly connected to the output end of the driven motor, and the bottom end forms a suspended end. By driving the active motor to rotate the active shaft 26 and the turntable 2, the driven motor and the driven shaft 81 can be driven to revolve around the active shaft 26. At the same time, the driven shaft 81 can be driven to rotate by the driven motor, so that the driven shaft 81 can rotate around the active shaft 26 while rotating.

[0032] In this embodiment, the active rotating component includes a driving motor and a driving shaft 26. The driving motor is fixedly mounted on the frame by bolts. The driving shaft 26 is vertically arranged and rotatably mounted on the support plate 11 of the frame through bearings. The top end of the driving shaft 26 is fixedly connected to the center of the bottom of the turntable 2, and the bottom end passes through the support plate 11 and is fixedly connected to the output end of the driving motor. The driven rotating component includes a vertically arranged driven shaft 81. The connecting part includes a first sleeve 61 fixedly mounted on the driving shaft 26, a second sleeve 62 rotatably mounted on the driven shaft 81, and a horizontal connecting rod 63 located between the first sleeve 61 and the second sleeve 62. The two ends of the connecting rod 63 are respectively fixedly connected to the outer wall of the first sleeve 61 and the outer wall of the second sleeve 62. The driving assembly includes a rotating gear 83 and a third sleeve 91. The third sleeve 91 is coaxially rotatably sleeved on the bottom of the active shaft 26. A bracket 93 is arranged between the bottom of the third sleeve 91 and the support plate 11. The two ends of the bracket 93 are respectively fixedly connected to the outer wall of the third sleeve 91 and the support plate 11. An incomplete gear 92 is fixedly sleeved on the top of the third sleeve 91. The rotating gear 83 corresponds to the driven shaft 81 one by one and is fixedly sleeved on the corresponding driven shaft 81. When the turntable 2 rotates to drive the first area 21 / the second area 22 / the third area 23 to rotate from the detection station to the edging station, the rotating gear 83 meshes with the incomplete gear 92 for transmission. During the whole process of the turntable 2 rotating to drive the first area 21 / the second area 22 / the third area 23 to rotate from the edging station to the detection station, the rotating gear 83 of the area meshes with the incomplete gear 92 for transmission. Specifically, the teeth of the incomplete gear 92 account for one-third of the circumference of the incomplete gear 92. 1. This embodiment takes the first area 21 as an example. First, the first area 21 is located at the loading and unloading station. At this time, the locking device is connected to the first positioning plate 41. The first positioning plate 41 is fixed on the turntable 2. The worker can stack the polarizing films 5 to be edged neatly and place them in the first fixed plate. After the polarizing films 5 are aligned, the polarizing films 5 are pressed by the first clamping assembly 3. When the turntable 2 rotates to drive the first area 21 from the loading and unloading station to the detection station, the locking assembly is separated from the first positioning plate 41, and the clamping assembly preserves the clamped polarizing films 5. In the process of the turntable 2 rotating to drive the first area 21 from the detection station to the edge grinding station, the rotating gear 83 on the driven shaft 81 corresponding to the first area 21 is meshed with the incomplete gear 92 for transmission. Then, the driven shaft 81 rotates while revolving around the driving shaft 26, and the rotation direction of the driven shaft 81 is the same as the rotation direction of the turntable 2, that is, the turntable 2 rotates counterclockwise, and the driven shaft 81 also rotates counterclockwise. Such structural design is ingenious, reasonable in design and easy to install.

[0033] The first positioning plate 41, the second positioning plate 42 and the third positioning plate 43 have the same structure. The first positioning plate 41 is an L-shaped plate. The first positioning plate 41 is perpendicular to the turntable 2, and the first positioning plate 41 is slidably matched with the turntable 2. The free end of the vertical section of the first positioning plate 41 is integrally formed with an extension plate 44 on the side facing away from the horizontal section of the first positioning plate 41. The angle between the extension plate 44 and the vertical section of the first positioning plate 41 is 90-180°. The driven shaft 81 is rotatably penetrated on the turntable 2, and the end of the extension plate 44 away from the first positioning plate 41 is fixedly sleeved on the surface of the driven shaft 81 located above the turntable 2. It should be noted that when the angle between the extension plate 44 and the vertical section of the first positioning plate 41 is 90°, an arc chamfer is provided at the connection between the vertical section of the first positioning plate 41 and the extension plate 44 to prevent the first positioning plate 41 from interfering with the polarizer 5 when it rotates away from the polarizer 5. When the angle between the extension plate 44 and the vertical section of the first positioning plate 41 is 180°, that is, the extension plate 44 and the vertical section of the first positioning plate 41 are collinear, at this time, the length of the side of the vertical section of the first positioning plate 41 that the polarizer 5 to be edged rests on should be less than the total length of the vertical section of the first positioning plate 41 and the extension plate 44. In this embodiment, when the turntable 2 rotates to drive the first area 21 to rotate from the detection station to the edging station, the rotating gear 83 on the driven shaft 81 corresponding to the first area 21 is meshed with the incomplete gear 92 for transmission. Then, the driven shaft 81 corresponding to the first area 21 rotates while revolving around the driving shaft 26, and its rotation direction is the same as the rotation direction of the turntable 2, that is, the turntable 2 rotates counterclockwise, then the driven shaft 81 corresponding to the first area 21 also rotates counterclockwise, and the rotating gears 83 of the driven shafts 81 corresponding to the other two areas are not in contact with the incomplete gear 92.

[0034] The frame is fixedly provided with an annular frame 94 on the outside of the three rotating gears 83. Specifically, the annular frame 94 is suspended above the support plate 11 by a plurality of support rods 96. An incomplete tooth segment 95 is provided on the inside of the annular frame 94. When the turntable 2 rotates to drive the first area 21 / the second area 22 / the third area 23 to rotate from the edging station to the loading and unloading station, the rotating gears 83 of the first area 21 / the second area 22 / the third area 23 mesh with the incomplete tooth segment 95 for transmission. In this embodiment, taking the first area 21 as an example, when the turntable 2 rotates to drive the first area 21 to rotate from the edging station to the loading and unloading station, the rotating gear 83 on the driven shaft 81 corresponding to the first area 21 is meshed with the incomplete tooth segment 95 on the inner side of the annular frame 94 for transmission. Then, the driven shaft 81 corresponding to the first area 21 rotates while revolving around the driving shaft 26, and its rotation direction is opposite to the rotation direction of the turntable 2, that is, the turntable 2 rotates counterclockwise, then the driven shaft 81 corresponding to the first area 21 rotates clockwise, and the rotating gears 83 of the driven shafts 81 corresponding to the other two areas are not in contact with the incomplete tooth segment 95 of the annular frame 94.

[0035] In the above embodiment, as shown in the figure, the inner side of the first positioning plate 41 faces the central area of ​​the turntable 2 .

[0036] In the above embodiment, by designing the size and the ratio of the number of teeth of the incomplete gear 92 and the rotating gear 83, as well as the size and the ratio of the number of teeth of the annular frame 94 and the rotating gear 83, the transmission ratio therebetween can be controlled, thereby controlling the rotation angle of the rotating gear 83 from the detection station to the edging station. In this embodiment, 90° is preferred. During the entire process of the first area 21 / the second area 22 / the third area 23 rotating from the detection station to the edging station, the driven shaft 81 corresponding to the first area 21 / the second area 22 / the third area 23 is meshed with the incomplete gear 92. Driven by the rotation of the driven shaft 81 corresponding to the first area 21 / the second area 22 / the third area 23, the first positioning plate 41 / the second positioning plate 42 / the third positioning plate 43 / rotates 90° (such as Figure 1 and Figure 2 As shown); during the entire process of the first area 21 / the second area 22 / the third area 23 rotating from the edging station to the loading and unloading station, the driven shaft 81 corresponding to the first area 21 / the second area 22 / the third area 23 is engaged with the incomplete tooth segment 95 of the annular frame 94, and driven by the rotation of the driven shaft 81 corresponding to the first area 21 / the second area 22 / the third area 23, the first positioning plate 41 / the second positioning plate 42 / the third positioning plate 43 / rotates 90° toward the direction close to the polarizer 5, so that the positioning plate is reset.

[0037] The locking assembly includes a locking gear 82 and a fixing ring 71. The locking gear 82 corresponds to the driven shaft 81 one by one and is fixedly sleeved on the corresponding driven shaft 81. The fixing ring 71 is fixedly sleeved on the driving shaft 26. The fixing ring 71 is located above the third sleeve 91. The surface of the fixing ring 71 is provided with a fixing block 72 along the radial direction of the fixing ring 71 corresponding to each locking gear 82 along the circumferential direction. The interior of the fixing block 72 is provided with a cavity 73. The inner end of the cavity 73 is fixed with an electromagnet 74. The cavity 73 is slidably connected with an iron Block 75, the side of the iron block 75 away from the electromagnet 74 penetrates the side wall of the cavity 73 and can extend out of the fixed block 72, and the surface of the part of the iron block 75 located in the cavity 73 is sleeved with a spring 76, and the two ends of the spring 76 are respectively fixedly connected to the iron block 75 and the side wall of the cavity 73. When the electromagnet 74 is energized, a repulsive force is generated between the electromagnet 74 and the iron block 75, and the iron block 75 extends out of the fixed block 72 and can be stuck in the tooth groove of the locking gear 82, so that the locking gear 82 and the driven shaft 81 cannot rotate.

[0038] A battery (not shown) is arranged inside the driving shaft 26 or the fixing ring 71. In this embodiment, the battery is preferably arranged inside the fixing ring 71 to facilitate replacement of a new battery. A mounting plate 12 is fixed to the outside of the turntable 2 on the frame. The inner wall of the mounting plate 12 matches the outer wall of the turntable 2. The mounting plate 12 and the turntable 2 are slidably matched. The second clamping device 13 is located on the mounting plate 12. A conductive strip (not shown) is buried along the circumference of the turntable 2 on the inner wall of the mounting plate 12. Three pairs of conductive sheets 25 are embedded in three corresponding areas of the outer wall of the turntable 2. Each pair of conductive sheets 25 is two conductive sheets 25 arranged at intervals. The three pairs of conductive sheets 25 are connected in parallel with each other through wires and are electrically connected to the electromagnet 74 and the output end of the battery.

[0039] When the turntable 2 rotates and drives the first area 21 / the second area 22 / the third area 23 to be located at the loading and unloading stations, the two conductive sheets 25 corresponding to the area located at the loading station are in contact with the conductive strip, and the circuit is connected. The electromagnet 74 in the area located at the loading station is energized, and at least one of the two conductive sheets 25 corresponding to the area located at the detection station and the two conductive sheets 25 corresponding to the area located at the edging station is not in contact with the conductive strip, and the circuit is not connected.

[0040] In the above embodiment, the length of the conductive strip is preferably one-third of the outer circumference of the turntable 2, one end of the conductive strip is buried in the inner wall of the mounting plate 12 corresponding to the loading and unloading station, and the other end extends in the rotation direction of the turntable 2 to the detection station. With such a structural design, during the rotation of the first area 21 / the second area 22 / the third area 23 from the loading and unloading station to the detection station, a pile of conductive sheets 25 corresponding to the first area 21 / the second area 22 / the third area 23 is always connected to the conductive strip, then the electromagnet 74 corresponding to the first area 21 / the second area 22 / the third area 23 remains energized, and the positioning plate corresponding to the first area 21 / the second area 22 / the third area 23 remains fixed on the turntable 2.

[0041] The working principle of this application is: In the polarizer 5 production line, after a batch of polarizers 5 are cut into a specified size (usually rectangular) according to customer requirements, this batch of polarizers 5 is moved to a polarizer 5 processing equipment of the present application for edge grinding.

[0042] In the initial state, taking the first area 21 being located at the loading and unloading station as an example, the second area 22 is located at the edge grinding station, and the third area 23 is located at the inspection station. First, the worker places the first stack of polarizers 5 to be edged on the inner side of the first positioning plate 41 and aligns them. It should be noted that usually, edge grinding white boards are set on the upper and lower surfaces of the stack of polarizers 5 to be edged to facilitate the positioning of the polarizers 5. The first clamping assembly 3 clamps the first stack of polarizers 5 to be edged. At this time, the two conductive sheets 25 corresponding to the first area 21 are connected to the conductive strip, the electromagnet 74 corresponding to the first area 21 is energized and the iron block 75 is clamped into the locking gear 82 corresponding to the first area 21, and the driven shaft 81 corresponding to the first area 21 can only revolve around the driving shaft 26.

[0043] The driving motor drives the active shaft 26 and the turntable 2 to rotate counterclockwise by 120°, and the first area 21 rotates from the loading and unloading station to the detection station. During the entire rotation process, the two conductive sheets 25 of the first area 21 always keep in contact with the conductive strip, and the first positioning plate 41 is fixed on the turntable 2 and rotates with the turntable 2.

[0044] When the first area 21 arrives at the detection station, one of the conductive sheets 25 of the first area 21 is just separated from the conductive strip, the electromagnet 74 corresponding to the first area 21 is powered off, and the driven shaft 81 corresponding to the first area 21 can rotate. After the detection is completed without error, the turntable 2 continues to rotate 120°, and the first area 21 rotates from the detection station to the edging station. In this process, the rotating gear 83 of the first area 21 is meshed with the incomplete gear 92, and the rotating gear 83 and the driven shaft 81 of the first area 21 rotate around the driving shaft 26 while generating The first region 21 is rotated by itself, so that the first positioning plate 41 rotates 90° away from the first stacked polarizer 5 with the driven shaft 81 corresponding to the first region 21 as the rotation center. When the first positioning plate 41 arrives at the edge grinding station, it has been separated from the first stacked polarizer 5, and the grinding mechanism can start the edge grinding process immediately. During the whole process of the first region 21 rotating from the loading and unloading station to the edge grinding station, the first clamping assembly 3 always keeps clamping the first stacked polarizer 5 to be edged. When the grinding mechanism finishes grinding the three outer edges of the first stacked polarizer 5, the second clamping device 13 clamps the first stacked polarizer 5. The stacked polarizer 5, the first clamping assembly 3 is released and rotated away from the first stacked polarization direction, and then the grinding mechanism continues to grind the edge of the first stacked polarizer 5. After the processing is completed, the surface debris of the processed first stacked polarizer 5 is cleaned by blowing with an air gun, and then the second clamping device 13 is released, and the turntable 2 rotates 120° again, and the first area 21 is rotated from the edge grinding station to the loading and unloading station. In this process, the rotating gear 83 corresponding to the first area 21 is meshed with the incomplete tooth segment 95 of the annular frame 94, and the rotating gear 83 corresponding to the first area 21, The driven shaft 81 revolves around the driving shaft 26 and rotates at the same time, and the first positioning plate 41 rotates 90° and returns to the initial position. At the same time, when the first area 21 reaches the loading and unloading station, the electromagnet 74 corresponding to the first area 21 is energized again, so that the reset first positioning plate 41 is fixed on the turntable 2 again, and the first stack of polarizers 5 that have been edged are taken out, and the next stack of polarizers 5 to be edged are put in, completing a processing cycle of the first area 21. Repeating the above operations can realize continuous production and processing of polarizers 5, greatly improving production efficiency.

[0045] The high transmittance and low reflection polarizer processing equipment provided in this application has at least the following advantages: 1. Improve production efficiency: Parallel operation: The design of the turntable 2 allows loading and unloading, testing and edge grinding to be performed simultaneously at different stations, thus achieving parallel operation between the processes. For example, when a stack of polarizers 5 is being polished at the edge grinding station, the loading and unloading station can simultaneously take out the previous stack of polarizers 5 and place a new stack of polarizers 5, and the testing station can also test another stack of polarizers 5, which greatly reduces the waiting time between processes and improves production efficiency.

[0046] Continuous production: The rotation of the turntable 2 allows the operation of each station to be carried out continuously without interruption. During the rotation of the turntable 2, each station can continuously carry out loading and unloading, testing and edge grinding operations, forming a continuous production process and further improving production efficiency.

[0047] 2. Save space: The processes of loading, testing and edge grinding are integrated into one turntable 2 device, which occupies a small area. Compared with traditional edge grinding equipment, the turntable 2 design is more compact, which can realize more functions in a limited space and improve space utilization.

[0048] 3. Improve product quality: Precise positioning: The indexing positioning system of the turntable 2 can ensure the accuracy of each station, making the positioning of the polarizer 5 more accurate during loading and unloading, testing and edge grinding. This helps to improve the quality of edge grinding and reduce errors and defective products during the edge grinding process.

[0049] 4. Easy to operate: High degree of automation: The turntable 2-type equipment can be equipped with an automatic control system to achieve automatic operation and control. The operator only needs to perform simple loading and unloading operations and monitor the operating status of the equipment, reducing the complexity and labor intensity of manual operation.

[0050] Easy to maintain: The turntable 2-type equipment has a simple structure and the connections between the various components are tight, which is convenient for maintenance and upkeep. At the same time, the equipment has fewer failure points and is more convenient to repair, which reduces the maintenance cost and use cost of the equipment.

[0051] In summary, the polarizer processing equipment of the present application adopts a turntable 2-type multi-station design, which is an efficient, energy-saving, flexible and easy-to-operate production method with great advantages and application prospects. The polarizer mentioned in this embodiment adopts a high-transmittance, low-reflection polarizer.

[0052] The above embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent substitution or change made by a person skilled in the art based on the present application is within the protection scope of the present application.

Claims

1. A high-transmittance, low-reflection polarizer processing equipment, comprising a frame and a grinding mechanism, characterized in that: Also includes: A turntable, the turntable is horizontally mounted on a frame, the turntable includes a first area and a second area, the first area and the second area are arranged along the circumference of the turntable, when the turntable rotates and drives the first area to be located at a loading and unloading station, the second area is located at an edge grinding station, and when the first area is located at the edge grinding station, the second area is located at the loading and unloading station; a positioning plate includes a first positioning plate located in the first area and a second positioning plate located in the second area; a locking assembly, when the first area is located at the loading and unloading station, the locking assembly is connected to the first positioning plate, so that the first positioning plate is fixed on the turntable, and the locking assembly is separately connected to the second positioning plate The locking assembly is connected to the second positioning plate to fix the second positioning plate on the turntable; the first clamping device comprises a first clamping assembly located in the first area and a second clamping assembly located in the second area, and the clamping assembly can clamp or move away from the polarizer in the corresponding area; the second clamping device is arranged on the outside of the turntable and is located in the edging station, and the second clamping device can clamp or move away from the polarizer in the edging area.

2. The device according to claim 1, characterized in that: The turntable also includes a third area, and the first area, the second area and the third area are evenly arranged along the circumference of the turntable, and the frame is provided with an inspection station between the loading and unloading station and the edging station; the positioning plate also includes a third positioning plate located in the third area; when the turntable rotates to drive the first area / second area / third area to be located in the loading and unloading station, the locking assembly is connected to the positioning plate of the area located in the loading and unloading station, so that the positioning plate located in the loading and unloading station is fixed on the turntable, and the locking assembly is separated from the positioning plates of the areas located in the other two stations, so that the positioning plates in the areas located in the inspection station and the edging station can be away from the polarizer in the corresponding station; the first clamping device also includes a third clamping assembly located in the third area, and the third clamping assembly can clamp or move away from the polarizer in the third area.

3. The device according to claim 2, characterized in that: An active rotating component is provided in the middle of the turntable, and a driven rotating component is provided at the edge. Three driven rotating components are provided corresponding to the three areas on the turntable. A connecting piece is provided between the driven rotating component and the active rotating component. One end of the connecting piece is fixedly connected to the active rotating component, and the other end is rotatably connected to the driven rotating component. A driving component for driving the driven rotating component to rotate is provided between the active rotating component and the driven rotating component.

4. The device according to claim 3, characterized in that: The active rotating component includes a driving motor and a driving shaft, the driving motor is fixedly mounted on a frame, the driving shaft is vertically arranged and rotatably mounted on the frame, the top end of the driving shaft is fixedly connected to the bottom of the turntable, and the bottom end is fixedly connected to the output end of the driving motor, the driven rotating component includes a vertically arranged driven shaft, the connecting member includes a first sleeve fixedly mounted on the driving shaft, a second sleeve rotatably mounted on the driven shaft, and a connecting rod located between the first sleeve and the second sleeve, and the two ends of the connecting rod are respectively fixedly connected to the first sleeve and the second sleeve.

5. The device according to claim 4, characterized in that: The driving assembly includes a rotating gear and a third sleeve, the third sleeve is coaxially rotatably sleeved on the bottom of the driving shaft, a bracket is arranged between the bottom of the third sleeve and the frame, the two ends of the bracket are respectively fixedly connected to the third sleeve and the frame, an incomplete gear is fixedly sleeved on the top of the third sleeve, the rotating gear corresponds to the driven shaft one by one and is fixedly sleeved on the corresponding driven shaft, and when the turntable rotates to drive the first area / second area / third area to rotate from the detection station to the edging station, the rotating gear of the first area / second area / third area meshes with the incomplete gear for transmission.

6. The device according to claim 5, characterized in that: The first positioning plate, the second positioning plate and the third positioning plate have the same structure. The first positioning plate is an L-shaped plate. An extension plate is provided on the side of the free end of the vertical section of the first positioning plate facing away from the horizontal section of the first positioning plate. The included angle between the extension plate and the vertical section of the first positioning plate is 90-180°. The driven shaft is rotatably passed through the turntable, and the end of the extension plate away from the first positioning plate is fixedly sleeved on the surface of the driven shaft located above the turntable.

7. The device according to claim 6, characterized in that: The frame is fixed with an annular frame on the outside of the three rotating gears, and an incomplete tooth segment is arranged on the inside of the annular frame. When the turntable rotates to drive the first area / second area / third area to rotate from the edging station to the loading and unloading station, the rotating gears of the first area / second area / third area mesh with the incomplete tooth segment for transmission.

8. The device according to claim 4, characterized in that: The locking assembly includes a locking gear and a fixing ring, the locking gear corresponds to the driven shaft one by one and is fixedly sleeved on the corresponding driven shaft, the fixing ring is fixedly sleeved on the driving shaft, and a fixing block is provided on the surface of the fixing ring along the circumferential direction corresponding to each locking gear, a cavity is provided inside the fixing block, an electromagnet is fixed at the inner end of the cavity, an iron block is slidably connected in the cavity, the side of the iron block away from the electromagnet passes through the side wall of the cavity and can extend out of the fixing block, a spring is sleeved on the surface of the part of the iron block located in the cavity, and the two ends of the spring are fixedly connected to the iron block and the side wall of the cavity respectively, when the electromagnet is energized, a repulsive force is generated between the electromagnet and the iron block, the iron block extends out of the fixing block and can be stuck in the tooth groove of the locking gear.

9. The device according to claim 8, characterized in that: A battery is arranged inside the driving shaft or the fixed ring, a mounting plate is arranged on the outer side of the turntable of the frame, the second clamping device is located on the mounting plate, a conductive strip is buried in the inner wall of the mounting plate along the circumference of the turntable, and three pairs of conductive sheets are embedded in the outer wall of the turntable corresponding to three areas, each pair of the conductive sheets is two conductive sheets arranged at intervals, and the three pairs of conductive sheets are connected in parallel with each other through wires and are electrically connected to the electromagnet and the output end of the battery; when the turntable rotates to drive the first area / the second area / the third area to be located at the loading and unloading stations, the two conductive sheets corresponding to the area located at the loading station are connected through the conductive strip, and the two conductive sheets corresponding to the area located at the detection station and the two conductive sheets corresponding to the area located at the edging station are not connected.

10. The device according to claim 2, characterized in that: Three partitions are fixed on the upper surface of the turntable. The three partitions are evenly distributed on the turntable and divide the upper surface of the turntable into the first area, the second area and the third area.

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