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CN-121985112-A - Detection equipment for lens assembly

CN121985112ACN 121985112 ACN121985112 ACN 121985112ACN-121985112-A

Abstract

The invention discloses detection equipment for a lens assembly, which relates to the technical field of lens assembly detection and comprises a base, a turntable and a movable seat, wherein the turntable is movably arranged at the upper end of the base, a plurality of groups of movable seats are movably arranged at the upper end of the turntable, arc-shaped clamping plates are movably arranged at the upper ends of the plurality of groups of movable seats, fixed columns are arranged at the central ends of the plurality of groups of arc-shaped clamping plates, sliding ways are arranged at the upper ends of the plurality of groups of movable seats, and limit columns are movably arranged at the inner walls of the plurality of groups of sliding ways. According to the invention, the arc-shaped clamping plate, the fixing column and the limiting column are arranged, the arc-shaped clamping plate takes the fixing column as the center, the two ends of the arc-shaped clamping plate move along with the displacement of the limiting column and the tension factor of the arc-shaped clamping plate, the radian can be flexibly changed, the arc-shaped clamping plate is adapted to annular endoscopes of different types, the universality of the clamp is greatly improved, the application range of the equipment is expanded, the arc-shaped clamping plate is made of spring steel, the elastic characteristic of the spring steel is realized, the dual advantages of rigidity adjustment and elastic clamping are realized, and the clamping stability and the adaptation flexibility are taken into account.

Inventors

  • ZENG LINGYOU

Assignees

  • 山阳精密部件(惠州)有限公司

Dates

Publication Date
20260505
Application Date
20260209

Claims (10)

  1. 1. The detection equipment for the lens assembly comprises a base (1), a rotary table (5) and a movable seat (14) and is characterized in that the rotary table (5) is movably arranged at the upper end of the base (1), and a plurality of groups of movable seats (14) are movably arranged at the upper end of the rotary table (5); The upper ends of the movable seats (14) are movably provided with arc clamping plates (24), the central ends of the arc clamping plates (24) are provided with fixed columns (25), the outer walls of the fixed columns (25) are fixedly connected with the inner walls of the movable seats (14), the upper ends of the movable seats (14) are provided with slide ways (20), the inner walls of the slide ways (20) are movably provided with limit columns (23), and the outer walls of the limit columns (23) are movably connected with the outer walls of the two ends of the arc clamping plates (24); the arc clamping plates (24) are made of spring steel.
  2. 2. The detection device for the lens assembly according to claim 1, wherein the base (1) is internally provided with a driving motor (2), the output end of the driving motor (2) is provided with a driving shaft (3), and one end of the driving shaft (3) extending to the outer wall of the base (1) is provided with a driving gear (4).
  3. 3. The detection device for the lens assembly according to claim 2, wherein a reserved groove (6) is formed in the bottom end of the rotary disc (5), a toothed ring (7) is mounted on the inner wall of the reserved groove (6), and the toothed ring (7) is in meshed connection with the driving gear (4).
  4. 4. The detection device for the lens assembly according to claim 1, wherein a control ring (9) is movably mounted on the inner wall of the turntable (5), a plurality of groups of grooves are formed in the outer wall of the control ring (9), and a conical ring (10) is mounted on the inner wall of the control ring (9).
  5. 5. The detecting device for lens assemblies, as set forth in claim 4, characterized in that a plurality of groups of sliding grooves (8) are formed in the upper end of the turntable (5), a first limiting shaft (11) is movably mounted on the inner walls of the plurality of groups of sliding grooves (8), limiting bevel gears (12) are mounted at one ends of the plurality of groups of first limiting shafts (11), and the plurality of groups of limiting bevel gears (12) are meshed with the bevel gear ring (10).
  6. 6. The detecting device for lens assemblies according to claim 5, wherein a plurality of groups of grooves are formed in the upper end of the rotary disc (5), toothed plates (13) are respectively arranged on the grooves, limiting blocks (15) are respectively arranged at the bottom ends of the plurality of groups of movable seats (14), and the inner walls of the plurality of groups of limiting blocks (15) are respectively in threaded connection with the outer walls of the plurality of groups of first limiting shafts (11).
  7. 7. The detecting device for a lens assembly as claimed in claim 6, wherein a plurality of movable shafts (16) are movably mounted on the inner walls of the movable seats (14), movable gears (17) are mounted on one ends of the movable shafts (16), one ends of the movable gears (17) extend to the outer walls of the movable seats (14), and the movable gears (17) are respectively engaged with the toothed plates (13).
  8. 8. The detection device for the lens assembly according to claim 7, wherein a plurality of groups of the movable seats (5) are movably provided with transmission shafts (18), the plurality of groups of the transmission shafts (18) are respectively connected with the plurality of groups of movable shafts (16) through tooth-shaped synchronous belts, and transmission bevel gears (19) are arranged at two ends of the plurality of groups of the transmission shafts (18).
  9. 9. The detecting device for a lens assembly according to claim 8, wherein a plurality of sets of connecting shafts (21) are movably mounted on the inner walls of the slide ways (20), the outer walls of the plurality of sets of connecting shafts (21) are in threaded connection with the inner walls of the plurality of sets of limiting columns (23), a plurality of sets of connecting shafts (21) are provided with connecting bevel gears (22) at one ends, and the plurality of sets of connecting bevel gears (22) are respectively connected with the plurality of sets of driving bevel gears (19) in a meshed manner.
  10. 10. The detection device for the lens assembly according to claim 9, wherein a second limiting shaft (27) is movably mounted on the inner wall of the base (1), a torsion block (26) is mounted at one end, extending to the outer wall of the base (1), of the second limiting shaft (27), a mounting rod (28) is movably mounted at the upper end of the base (1), the inner wall of the mounting rod (28) is in threaded connection with the outer wall of the second limiting shaft (27), a visual detection probe (29) is mounted at the upper end of the mounting rod (28), and the visual detection probe (29) is externally connected with a data receiving platform.

Description

Detection equipment for lens assembly Technical Field The invention relates to the technical field of lens assembly detection, in particular to detection equipment for a lens assembly. Background The lens assembly of the digital camera is a set of precision system integrating optics, machinery and electronics, the core mission of the lens assembly is to guide external light to an image sensor efficiently and accurately, the performance of the lens assembly directly determines the imaging quality, focusing speed and optical stability of the camera, the lens assembly consists of an optical lens group, a lens barrel structure and a driving and controlling module, wherein the lens barrel structure is used as a mechanical supporting frame of the whole assembly and is divided into an outer lens barrel and an inner lens for fixing the lens group, guaranteeing the coaxiality of an optical center and providing a mounting reference for a driving mechanism. The annular endoscope in the lens structure is a core component of an extinction system, black lines printed on the inner wall of the annular endoscope are of a high-precision extinction structure, stray light reflected by the lens barrel for many times can be absorbed through special textures and light absorption materials, stray light is prevented from entering the sensor, if the part is printed with defects (such as broken marks and burrs), the stray light is directly caused to be out of control, glare, ghosting, grey image generation and other problems are caused, the problems are especially fatal under complex light scenes such as backlight and night scenes, the problems are especially serious, the problems are core obstacles of professional imaging, the printing defects (broken marks, burrs and offset) can cause insufficient extinction capability of partial products in batch production of the annular endoscope, the detection after the production of the annular endoscope is an indispensable ring in the production process, defective products can be intercepted in advance in detection, if the defective products flow into an assembly link, the disassembly cost is far higher than that of earlier detection, and the inside of the lens is possibly polluted. In the prior art, the annular clamp at the upper end of the detection equipment for detecting the annular endoscope is fixed at the upper end of the detection equipment through bolts, when the annular endoscope model is replaced for detection, a plurality of bolts are required to be screwed in the process of manually dismantling the special annular clamp of the old model, then the new clamp is installed on the rotary platform, the center standard is aligned by means of manual visual observation, clearance is required to be checked by using a feeler gauge after installation, then the focal length of a camera is readjusted, then 3-5 new annular endoscopes are required to be tested for detection, the accuracy and stability are verified, and if misjudgment or missed detection is required to be recalibrated, especially in the production mode of multiple varieties and small batches, the downtime of a production line is directly increased, the utilization rate of the equipment is reduced, and the delivery efficiency is obviously influenced. Disclosure of Invention Accordingly, an object of the present invention is to provide a detecting device for a lens assembly, so as to solve the above-mentioned technical problems in the background art. The invention provides a detection device for a lens assembly, which comprises a base, a turntable and a movable seat, wherein the turntable is movably arranged at the upper end of the base, and a plurality of groups of movable seats are movably arranged at the upper end of the turntable; The upper ends of the movable seats are movably provided with arc-shaped clamping plates, the central ends of the arc-shaped clamping plates are provided with fixed columns, the outer walls of the fixed columns are fixedly connected with the inner walls of the movable seats, the upper ends of the movable seats are provided with sliding ways, the inner walls of the sliding ways are movably provided with limit columns, and the outer walls of the limit columns are movably connected with the outer walls of the two ends of the arc-shaped clamping plates; The arc clamping plates are made of spring steel. Through adopting above-mentioned technical scheme, the problem of the anchor clamps adjustment of different model annular endoscopes has been solved, the arc splint uses the fixed column as the center, arc splint both ends carry out along with spacing post displacement and arc splint self tension factor, can change the radian in a flexible way, the annular endoscope of different models of adaptation promotes anchor clamps's commonality by a wide margin, expansion equipment application scope, and the arc splint is the spring steel material, spring steel's elasticity characteristic realizes the dual advantage