Light guide plate uniformity detection mechanism
By using the driving member to drive the slider and frame to move in the uniformity detection mechanism of the light guide plate, the lifting and alignment of the lamp beads is solved, and the problem of inability to adapt to the detection of light guide plates of different thicknesses in the prior art is solved, and the light guide plates of different thicknesses is realized Accurate detection.
Patent Information
- Application Number
- CN202420740835.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing light guide plate uniformity detection mechanism cannot adapt to light guide plates of different thicknesses and sizes, resulting in the inability to accurately align the lamp beads, which in turn is inconvenient to detect light guide plates of different thicknesses and sizes.
A light guide plate uniformity detection mechanism including carrier plate, mounting components and driving members is designed. By driving the screw and driving the slider and frame movement, the lamp beads are driven to lift and lower, and the detection camera is used to achieve different thicknesses. Accurate alignment of light guide plates.
Accurate detection of light guide plates of different thickness sizes is achieved, and the problem of inconvenient detection of light guide plates of different thicknesses in the prior art is solved.
Smart Images

Figure CN222212193U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light guide plate detection, in particular to a light guide plate uniformity detection mechanism. Background Art
[0002] A light guide plate is a plate that can transform a point light source into a surface light source. The material is usually an optical acrylic plate or a PC board. It is often used in liquid crystal displays. By transforming the point light source into a surface light source, it acts on the LCD screen, allowing users to see the image on the LCD screen. Conventional devices are time-consuming and labor-intensive to fix the light guide plate, making it inconvenient to fix the position of the light guide plate.
[0003] The prior art CN214334199U discloses a light guide plate uniformity detection mechanism, comprising a loading plate, a fastening cylinder, a fastening block, a clamping spring, a clamping block, a silicone layer, a driving member, a pushing block, a first guide piece, a second guide piece, a limit block, a lamp bead, a pushing driving member, a pushing block and a lamp bead. The light guide plate is placed on the loading plate, the fastening cylinder drives the fastening block to abut the right side of the light guide plate, the clamping spring drives the clamping block to drive the silicone layer to abut the left side of the light guide plate, and the pushing driving member drives the pushing block to push one end of the light guide plate, which will cause the other end of the light guide plate to enter between the first guide piece and the second guide piece, and under the guiding action of the first guide piece and the second guide piece, the light guide plate will eventually abut against the limit block. Since the lamp bead is adjacent to the limit block, under the pushing action of the pushing driving member and the pushing block, the side wall of the light guide plate can be accurately aligned with the lamp bead, thereby facilitating the fixing of the position of the light guide plate.
[0004] In normal use, due to the different thicknesses of the light guide plates, the existing technology can only detect light guide plates of the same thickness. When the device needs to detect light guide plates of different thicknesses, it is inconvenient for the device to adjust the position of the lamp beads according to the light guide plates of different thicknesses, making it inconvenient for the lamp beads to be accurately aligned with the light guide plates of different thicknesses, causing the device to be inconvenient to detect light guide plates of different thicknesses. Utility Model Content
[0005] The purpose of the present utility model is to provide a light guide plate uniformity detection mechanism, which solves the problem that due to the different thicknesses of light guide plates, the existing technology can only detect light guide plates of the same thickness. When the device needs to detect light guide plates of different thicknesses, it is inconvenient for the device to adjust the position of the lamp beads according to the light guide plates of different thicknesses, making it inconvenient for the lamp beads to be accurately aligned with the light guide plates of different thicknesses, resulting in the device being inconvenient to detect light guide plates of different thicknesses.
[0006] To achieve the above-mentioned purpose, the utility model provides a light guide plate uniformity detection mechanism, including a carrier plate and an installation assembly; the installation assembly includes a lamp bead, a frame, a base, a column, a slider, a column, a detection camera, a movable member, a fixed member and a driving member, the column is fixedly installed on one side of the carrier plate, the driving member is arranged on the column, the slider is slidably connected to the column and connected to the driving member, the frame is fixedly connected to the sliding and slidably connected to the carrier plate, the movable member is arranged on the carrier plate, the base is connected to the moving member, the column is fixedly installed on a side of the base close to the column, the detection camera is fixedly installed on a side of the column away from the base, the fixed member is arranged on the carrier plate, and the lamp bead is fixedly installed on a side of the frame close to the carrier plate.
[0007] Wherein, the driving component includes a driving screw and a driving motor, the driving screw is rotatably connected to the column and is threadedly connected to the slider; the driving motor is fixedly connected to the column, and the output shaft of the driving motor is connected to the driving screw.
[0008] Among them, the moving component includes a moving screw, a moving block and a moving motor, the moving block is fixedly connected to the loading plate and slidably connected to the base; the moving screw is rotatably connected to the base and threadedly connected to the slider; the moving motor is fixedly connected to the base, and the output shaft of the moving motor is connected to the moving screw.
[0009] In which, the fixing component includes a solid block, a sliding rod and a spring, the sliding rod is fixedly connected to the loading plate and is located on the side of the loading plate away from the base; the solid block is slidably connected to the loading plate and is slidably connected to the sliding rod; one end of the spring is connected to the solid block, and the other end of the spring is connected to the loading plate.
[0010] The mounting assembly further comprises a stabilizing rod and a stabilizing block, wherein the stabilizing rod is fixedly connected to the carrier plate and is located on a side of the carrier plate close to the frame; the stabilizing block is fixedly connected to the frame and slidably connected to the stabilizing rod.
[0011] The utility model provides a light guide plate uniformity detection mechanism, which places the light guide plate on the carrier plate, the spring drives the solid block to move on the slide rod, so that the solid block drives the light guide plate to abut against the carrier plate, and fixes the light guide plate on the carrier plate, the driving motor drives the driving screw to rotate on the column, and the driving screw drives the slider to move on the column when rotating, and the frame drives the lamp beads to move up and down when moving, and the detection camera takes pictures of the light guide plate for detection, so that the lamp beads can be accurately aligned with light guide plates with different thicknesses, thereby realizing that the device is convenient for detecting light guide plates with different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.
[0013] Figure 1 It is a schematic diagram of the overall structure of the light guide plate uniformity detection mechanism of the first embodiment of the present utility model.
[0014] Figure 2 It is a structural schematic diagram of the movable screw rod and the movable motor of the utility model.
[0015] Figure 3 It is a structural schematic diagram of the driving screw rod and the driving motor of the utility model.
[0016] Figure 4 It is a structural schematic diagram of the stabilizing rod and stabilizing block of the utility model.
[0017] In the figure: 101-carrying plate, 102-lamp beads, 103-frame, 104-base, 105-column, 106-slider, 107-column, 108-detection camera, 109-driving screw, 110-driving motor, 111-moving screw, 112-moving block, 113-moving motor, 114-solid block, 115-sliding rod, 116-spring, 201-stabilizing rod, 202-stabilizing block. DETAILED DESCRIPTION
[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0019] The first embodiment of this application is:
[0020] See also Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the overall structure of the light guide plate uniformity detection mechanism of the first embodiment of the utility model. Figure 2This is a structural diagram of the movable screw rod and movable motor of the utility model. Figure 3 Schematic diagram of the structure of the driving screw and the driving motor of the utility model. The utility model provides a light guide plate uniformity detection mechanism, including a loading plate 101 and an installation component; the installation component includes a lamp bead 102, a frame 103, a base 104, a column 105, a slider 106, a column 107, a detection camera 108, a moving component, a fixed component and a driving component, the driving component includes a driving screw 109 and a driving motor 110, the moving component includes a moving screw 111, a shift block 112 and a moving motor 113, the fixed component includes The solid block 114, the sliding rod 115 and the spring 116 solve the problem that the prior art can only detect light guide plates of the same thickness. When the device needs to detect light guide plates of different thicknesses, it is inconvenient for the device to adjust the position of the lamp bead 102 according to the light guide plates of different thicknesses, making it inconvenient for the lamp bead 102 to be accurately aligned with the light guide plates of different thicknesses, resulting in the device being inconvenient to detect light guide plates of different thicknesses. It can be understood that the above solution can be used when the light guide plates have different thicknesses.
[0021] According to this specific embodiment, the light guide plate is placed on the carrier plate 101, the fixing component fixes the light guide plate on the carrier plate 101, the driving component drives the slider 106 to drive the frame 103 to move on the column 105, and the frame 103 drives the lamp beads 102 to move up and down when moving. The detection camera 108 takes pictures of the light guide plate for detection, so that the lamp beads 102 can be accurately aligned with light guide plates of different thickness sizes, thereby realizing that the device can easily detect light guide plates of different thickness sizes.
[0022] Among them, the column 105 is fixedly mounted on one side of the material carrier 101, the driving member is arranged on the column 105, the slider 106 is slidably connected to the column 105 and is connected to the driving member, the frame 103 is fixedly connected to the sliding and is slidably connected to the material carrier 101, the moving member is arranged on the material carrier 101, the base 104 is connected to the moving member, the column 107 is fixedly mounted on the side of the base 104 close to the column, the detection camera 108 is fixedly mounted on the side of the column 107 away from the base 104, the fixed member The lamp bead 102 is arranged on the material carrying plate 101, and is fixedly mounted on the side of the frame 103 close to the material carrying plate 101. The material carrying plate 101 is L-shaped, and the column 105 is L-shaped. The inner side of the vertical end of the column 105 is designed with a slide groove, and the top of the vertical end of the column 105 is designed with a through hole. The right side of the vertical end of the column 105 is fixedly connected to the left side of the material carrying plate 101, and the slider 106 is a rectangular parallelepiped. The driving member drives the slider 106 to move on the slide groove of the column 105 through the through hole of the column 105. The frame 103 is a rectangular parallelepiped, and the frame 10 3 is designed with multiple mounting holes, the left side of the frame 103 is fixedly connected to the right side of the slider 106, there are multiple lamp beads 102, the right side of the frame 103 is slidably connected to the upper left side of the carrier plate 101, the lamp beads 102 are located in the mounting holes of the frame 103, the fixing member is located at the top of the carrier plate 101, the base 104 is a rectangular parallelepiped, and the bottom four corners of the base 104 are designed with pillars, the column 107 is an inverted L-shape, the bottom of the vertical end of the column 107 is fixedly connected to the top left side of the base 104, and the detection camera 108 is located on the column 107 On the right side of the horizontal end, the moving member drives the bottom of the carrier plate 101 to move on the top of the base 104, and by placing the light guide plate on the carrier plate 101, the fixing member fixes the light guide plate on the carrier plate 101, and the driving member drives the slider 106 to drive the frame 103 to move on the column 105. When the frame 103 moves, it drives the lamp beads 102 to move up and down, and the detection camera 108 takes pictures of the light guide plate for detection, so that the lamp beads 102 can be accurately aligned with light guide plates with different thicknesses, thereby realizing that the device is convenient for detecting light guide plates with different thicknesses.
[0023] Secondly, the driving screw 109 is rotatably connected to the column 105 and is threadedly connected to the slider 106; the driving motor 110 is fixedly connected to the column 105, and the output shaft of the driving motor 110 is connected to the driving screw 109. The top of the slider 106 is designed with a through threaded hole. The driving screw 109 is a cylinder, and the outer side of the driving screw 109 is designed with an external thread. The driving screw 109 is connected to the through threaded hole of the slider 106 through the through hole of the column 105. The top of the driving screw 109 is fixedly connected to the output shaft of the driving motor 110, and the driving motor 110 drives the driving screw 109 to rotate on the column 105. When the driving screw 109 rotates, it drives the slider 106 to move on the column 105, thereby driving the slider 106 to move.
[0024] Then, the shift block 112 is fixedly connected to the material loading plate 101 and is slidably connected to the base 104; the moving screw 111 is rotatably connected to the base 104 and is threadedly connected to the slider 106; the moving motor 113 is fixedly connected to the base 104, and the output shaft of the moving motor 113 is connected to the moving screw 111. The top of the base 104 is designed with a slide groove, and the front end of the base 104 is designed with a through hole. The top of the shift block 112 is fixedly connected to the bottom of the material loading plate 101, and the The moving screw rod 111 is a cylinder with an external thread on the outside. The moving screw rod 111 is connected to the through threaded hole of the shift block 112 through the through hole of the base 104. The left end of the moving screw rod 111 is fixedly connected to the output shaft of the moving motor 113. The moving motor 113 drives the moving screw rod 111 to rotate on the base 104. When the moving screw rod 111 rotates, it drives the slider 106 to drive the loading plate 101 to move on the base 104, thereby driving the loading plate 101 to move.
[0025] Finally, the sliding rod 115 is fixedly connected to the material carrying plate 101 and is located on the side of the material carrying plate 101 away from the base 104; the solid block 114 is slidably connected to the material carrying plate 101 and is slidably connected to the sliding rod 115; one end of the spring 116 is connected to the solid block 114, and the other end of the spring 116 is connected to the material carrying plate 101. The top of the material carrying plate 101 is designed with a sliding groove, and the end of the sliding rod 115 is fixedly connected to the sliding groove of the material carrying plate 101. The solid block 114 is T-shaped, and the vertical end of the solid block 114 is designed with a sliding hole, and the sliding hole of the solid block 114 is slidably connected to the outer side of the sliding rod 115, and the spring 116 supports the solid block 114, and the solid block 114 is driven by the spring 116 to move on the sliding rod 115, so that the solid block 114 drives the light guide plate to abut against the material carrying plate 101, thereby fixing the light guide plate.
[0026] When using a light guide plate uniformity detection mechanism of this embodiment, the light guide plate is placed on the carrier plate 101, and the spring 116 drives the solid block 114 to move on the slide bar 115, so that the solid block 114 drives the light guide plate to abut against the carrier plate 101, and the light guide plate is fixed on the carrier plate 101. The driving motor 110 drives the driving screw 109 to rotate on the column 105, and the driving screw 109 drives the slider 106 to move on the column 105 when rotating. The frame 103 drives the lamp bead 102 to move up and down when moving, and the detection camera 108 takes pictures of the light guide plate for detection, so that the lamp bead 102 can be accurately aligned with light guide plates with different thickness dimensions, thereby realizing that the device is convenient for detecting light guide plates with different thickness dimensions.
[0027] The second embodiment of this application is:
[0028] See also Figure 4 , Figure 4 20 is a schematic structural diagram of a stabilizing rod and a stabilizing block of the present invention. Based on the first embodiment, the mounting assembly of this embodiment further includes a stabilizing rod 201 and a stabilizing block 202 .
[0029] According to this specific embodiment, the frame 103 drives the stabilizing block 202 to move on the stabilizing rod 201 when moving, thereby improving the stability of the frame 103 when moving.
[0030] Among them, the stabilizing bar 201 is fixedly connected to the loading plate 101 and is located on a side of the loading plate 101 close to the frame 103; the stabilizing block 202 is fixedly connected to the frame 103 and is slidably connected to the stabilizing bar 201, and a plurality of stabilizing grooves are designed on the left side of the loading plate 101, the stabilizing block 202 is a rectangular parallelepiped, and a through hole is designed at the top of the stabilizing block 202, and there are multiple stabilizing blocks 202. The outer side of the stabilizing block 202 is slidably connected to the stabilizing groove of the loading plate 101, and there are multiple stabilizing bars 201. The end of the stabilizing bar 201 is fixedly connected to the stabilizing groove of the loading plate 101 through the through hole of the stabilizing block 202, and the stabilizing block 202 is driven to move on the stabilizing bar 201 when the frame 103 moves, thereby improving the stability of the frame 103 when moving.
[0031] When using the light guide plate uniformity detection mechanism of this embodiment, the frame 103 drives the stabilizing block 202 to move on the stabilizing rod 201 when moving, thereby improving the stability of the frame 103 when moving.
[0032] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.
Claims
1. A light guide plate uniformity detection mechanism, comprising a carrier plate, characterized in that: Also included are mounting components; The mounting assembly includes a lamp bead, a frame, a base, a column, a slider, a pillar, a detection camera, a movable member, a fixed member and a driving member. The column is fixedly mounted on one side of the carrier plate, the driving member is arranged on the column, the slider is slidably connected to the column and connected to the driving member, the frame is fixedly connected to the slider and slidably connected to the carrier plate, the movable member is arranged on the carrier plate, the base is connected to the movable member, the pillar is fixedly mounted on a side of the base close to the column, the detection camera is fixedly mounted on a side of the pillar away from the base, the fixed member is arranged on the carrier plate, and the lamp bead is fixedly mounted on a side of the frame close to the carrier plate.
2. The light guide plate uniformity detection mechanism according to claim 1, characterized in that: The driving component includes a driving screw and a driving motor. The driving screw is rotatably connected to the column and is threadedly connected to the slider. The driving motor is fixedly connected to the column, and the output shaft of the driving motor is connected to the driving screw.
3. The light guide plate uniformity detection mechanism according to claim 1, characterized in that: The moving component includes a moving screw, a moving block and a moving motor. The moving block is fixedly connected to the loading plate and slidably connected to the base; the moving screw is rotatably connected to the base and threadedly connected to the slider; the moving motor is fixedly connected to the base, and the output shaft of the moving motor is connected to the moving screw.
4. The light guide plate uniformity detection mechanism according to claim 1, characterized in that: The fixing component includes a solid block, a sliding rod and a spring. The sliding rod is fixedly connected to the material carrier plate and is located on a side of the material carrier plate away from the base. The solid block is slidably connected to the material carrier plate and to the sliding rod. One end of the spring is connected to the solid block, and the other end of the spring is connected to the material carrier plate.
5. The light guide plate uniformity detection mechanism according to claim 1, characterized in that: The mounting assembly further comprises a stabilizing rod and a stabilizing block. The stabilizing rod is fixedly connected to the material carrier plate and is located on a side of the material carrier plate close to the frame. The stabilizing block is fixedly connected to the frame and slidably connected to the stabilizing rod.
