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CN-224203002-U - Spliced backlight source for visual inspection

CN224203002UCN 224203002 UCN224203002 UCN 224203002UCN-224203002-U

Abstract

The utility model relates to the technical field of spliced backlight sources for visual inspection, and discloses a spliced backlight source for visual inspection, which comprises a supporting plate, wherein a combined mechanism is arranged outside the supporting plate, a placing groove is formed outside the combined mechanism, the outer parts of a plurality of connecting rods are connected inside the supporting plate in a sliding manner, two combined plates are fixedly connected outside the connecting rods and the sliding plates, two connecting plates are fixedly connected outside the connecting rods and the sliding plates, a sliding groove is formed in the bottom of the supporting plate, and a locking assembly for locking is fixedly connected inside the combined plates. According to the utility model, through the design of the sliding plate and the connecting rod, the combined plate and the connecting plate can slide into the supporting plate quickly, so that the quick splicing of the backlight source is realized, the accuracy and the stability of the splicing are ensured, and the splicing efficiency and the operation flexibility are improved.

Inventors

  • ZHONG JUNYONG
  • LIU YAN
  • GU XIAOLI

Assignees

  • 深圳恒鑫盛达光电有限公司

Dates

Publication Date
20260505
Application Date
20250407

Claims (7)

  1. 1. The spliced backlight source for visual inspection comprises a supporting plate (1) and is characterized in that a combined mechanism (2) is arranged outside the supporting plate (1), a placing groove (3) is formed in the outer part of the combined mechanism (2), and a rotating mechanism (4) is arranged in the placing groove (3); The combined mechanism (2) comprises a plurality of connecting rods (21), the outside sliding connection of a plurality of connecting rods (21) is in the inside of backup pad (1), the bottom fixedly connected with sliding plate (22) of backup pad (1), connecting rods (21) with two composition boards (23) of outside fixedly connected with of sliding plate (22), connecting rods (21) with two connecting plates (24) of outside fixedly connected with of sliding plate (22), sliding groove (25) have been seted up to the bottom of backup pad (1), the inside fixedly connected with of composition board (23) is used for locking subassembly.
  2. 2. A tiled backlight for visual inspection according to claim 1, characterized in that the outer portions of two of said connection plates (24) are on adjacent sides of two of said compounder plates (23) such that said connection plates (24) and said compounder plates (23) combine to form an elongated rectangle.
  3. 3. The spliced backlight source for visual inspection according to claim 1, wherein the locking assembly comprises two supporting columns (29), two outer two sides of the supporting columns (29) are fixedly connected to the inside of the combination board (23), the outer parts of the supporting columns (29) are fixedly connected to the front side and the rear side of the inside of the combination board (23) respectively, clamping plates (28) are rotatably connected to the outer parts of the supporting columns (29), guide columns (26) are fixedly connected to the bottoms of the clamping plates (28), springs (27) are sleeved on the outer parts of the guide columns (26), the bottoms of the springs (27) are fixedly connected to the inner wall of the combination board (23), a toggle rod (210) is fixedly connected to one side of the outer part of the clamping plates (28), two clamping blocks (211) are fixedly connected to the outer part of the connecting board (24), and the outer parts of the clamping blocks (211) are slidably connected to the inside of the combination board (23).
  4. 4. The spliced backlight source for visual inspection according to claim 1, wherein the rotating mechanism (4) comprises a positioning block (41), the outer part of the positioning block (41) is slidably connected to the inner part of the placement groove (3), and a connecting column (42) is fixedly connected to the outer part of the positioning block (41), namely, the side far away from the outer part of the placement groove (3).
  5. 5. The spliced backlight source for visual inspection according to claim 4, wherein a rotating shaft (43) is fixedly connected to one side of the outer portion of the connecting column (42), and a supporting plate (44) is fixedly connected to the outer portion of the rotating shaft (43).
  6. 6. The spliced backlight source for visual inspection according to claim 5, wherein the rotating shaft (43) is supported by the support plate (44) so as to drive the connecting column (42) and the alignment block (41) to rotate.
  7. 7. The spliced backlight source for visual inspection according to claim 1, wherein the outer parts of the placing grooves (3) are respectively arranged on the outer parts of the combined plate (23) and the connecting plate (24), and the outer parts of the placing grooves (3) are arranged on the periphery of the supporting plate (1).

Description

Spliced backlight source for visual inspection Technical Field The utility model relates to the technical field of spliced backlight sources for visual detection, in particular to a spliced backlight source for visual detection. Background The backlight source for visual inspection is an illumination device for a machine vision inspection system, and by placing a light source behind an object to be inspected, uniform background light is provided, so that the visual system is helped to more clearly identify the outline, defect or characteristic of the object, and the design of the spliced backlight source allows a user to flexibly adjust the size and shape of the light source according to inspection requirements. A typical spliced backlight for visual inspection is composed of a light source assembly, a supporting mechanism, and a light guide plate, so that the light source assembly is a core of the backlight when in use, and is typically composed of a plurality of Light Emitting Diodes (LEDs), the point light sources are converted into uniform surface light sources by the action of the light guide plate, the supporting mechanism is used for fixing and supporting the light source assembly, and the light guide plate is used for uniformly distributing light emitted from the light source onto the light emitting surface of the entire backlight. However, some devices in the prior art cannot provide good stability and connection capability during splicing, which not only affects the overall performance of the backlight source, but also causes loosening and unstable splicing during use, resulting in inaccurate detection. Disclosure of utility model In order to make up for the defects, the utility model provides a spliced backlight source for visual detection, which aims to solve the problem that part of devices in the prior art cannot provide good stability in splicing. In order to achieve the above purpose, the present utility model adopts the following technical scheme: the spliced backlight source for visual detection comprises a supporting plate, wherein a combined mechanism is arranged outside the supporting plate, a placing groove is formed in the outer part of the combined mechanism, and a rotating mechanism is arranged in the placing groove; the combined mechanism comprises a plurality of connecting rods, the outer parts of the connecting rods are slidably connected in the supporting plate, the bottom of the supporting plate is fixedly connected with a sliding plate, the outer parts of the connecting rods and the sliding plate are fixedly connected with two combined plates, the outer parts of the connecting rods and the sliding plate are fixedly connected with two connecting plates, the bottom of the supporting plate is provided with a sliding groove, and the inner parts of the combined plates are fixedly connected with a locking assembly for locking; As a further description of the above technical solution: The outer parts of the two connecting plates are arranged on the adjacent sides of the two combined plates, so that the connecting plates and the combined plates are combined to form an extended rectangle; As a further description of the above technical solution: the locking assembly comprises two support columns, wherein the two outer sides of the support columns are fixedly connected to the inside of the combination board, the outer parts of the support columns are respectively fixedly connected to the front side and the rear side of the inside of the combination board, clamping plates are rotationally connected to the outer parts of the support columns, guide columns are fixedly connected to the bottoms of the clamping plates, springs are sleeved on the outer parts of the guide columns, the bottoms of the springs are fixedly connected to the inner wall of the combination board, a toggle rod is fixedly connected to one side of the outer part of the clamping plates, two clamping blocks are fixedly connected to the outer part of the connecting plate, and the outer parts of the clamping blocks are slidably connected to the inside of the combination board; As a further description of the above technical solution: The rotating mechanism comprises a positioning block, the outer part of the positioning block is connected with the inner part of the placing groove in a sliding way, and a connecting column is fixedly connected with the outer part of the positioning block, namely, one side of the outer part of the positioning block far away from the placing groove; As a further description of the above technical solution: A rotating shaft is fixedly connected to one side of the outer part of the connecting column, and a support plate is fixedly connected to the outer part of the rotating shaft; As a further description of the above technical solution: The rotating shaft is supported by the support plate so as to drive the connecting column and the alignment block to rotate; As a further description of the above