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CN-224230933-U - Optical lens outer diameter measuring instrument

CN224230933UCN 224230933 UCN224230933 UCN 224230933UCN-224230933-U

Abstract

The utility model discloses an optical lens outer diameter measuring instrument, which relates to the technical field of measuring equipment and comprises a rack, wherein a detection assembly is arranged on the rack, a hollow column is rotatably arranged on the rack, a rotary table is sleeved outside the hollow column, the top surface of the rotary table is a working surface for bearing an optical lens, the top surface of the hollow column is flush with the top surface of the rotary table, a negative pressure cavity is formed in the hollow column, a negative pressure pump is arranged in the rack, the negative pressure end of the negative pressure pump is communicated with the negative pressure cavity, a negative pressure pipe sliding along the axial direction of the hollow column is slidably arranged on the top wall of the hollow column, the top end of the negative pressure pipe extends to the upper side of the hollow column and is connected with a movable disc, and the bottom end of the negative pressure pipe extends to the inside of the negative pressure cavity and is connected with a piston plate. According to the utility model, through the design of automatic ejection of the movable disc, the lenses are not required to be forcibly stripped, so that edge collision is avoided, the time for taking the lenses is shortened, and the existing short efficiency plate is made up.

Inventors

  • SHI YAQI
  • MA JIANHUA
  • GAO PENG

Assignees

  • 句容透反光学科技有限公司

Dates

Publication Date
20260512
Application Date
20250916

Claims (8)

  1. 1. The optical lens outer diameter measuring instrument comprises a frame (1), wherein a detection component is arranged on the frame (1), the optical lens outer diameter measuring instrument is characterized in that a hollow column (11) is rotatably arranged on the frame (1), a rotary table (9) is sleeved outside the hollow column (11), the top surface of the rotary table (9) is a working surface for bearing an optical lens, the top surface of the hollow column (11) is flush with the top surface of the rotary table (9), a negative pressure cavity (14) is arranged inside the hollow column (11), a negative pressure pump (15) is arranged inside the frame (1), the negative pressure end of the negative pressure pump (15) is communicated with the negative pressure cavity (14), a negative pressure pipe (16) axially sliding along the hollow column (11) is slidably arranged on the top wall of the hollow column (11), the top end of the negative pressure pipe (16) extends to the upper side of the hollow column (11) and is connected with a movable disc (17), the bottom end of the negative pressure pipe (16) extends to the inside of the negative pressure cavity (14) and is connected with a piston plate (19), the top surface of the hollow column (11) is internally provided with a negative pressure cavity (14), the negative pressure end of the negative pressure pump (15) is communicated with the negative pressure cavity (14), the negative pressure end of the negative pressure pipe (20) is connected with a return spring (20), the return spring (20) and the return spring (20) is pushed upwards, the return spring (20), so as to push the negative pressure pipe (16) to drive the movable disc (17) to be far away from the hollow column (11).
  2. 2. The optical lens outer diameter measuring instrument as claimed in claim 1, wherein the detection assembly comprises a mounting frame (2) mounted on the frame (1), a CCD camera (3) and a light source emitting device (5) are arranged on the mounting frame (2), the CCD camera (3) and the light source emitting device (5) are arranged relative to the rotary table (9), a receiving lens (4) is arranged on the front side of the CCD camera (3), a light source lens (6) is arranged on the front side of the light source emitting device (5), a controller (7) is mounted on the top of the mounting frame (2), a display screen (8) is arranged on the controller (7), and the CCD camera (3), the light source emitting device (5) and the display screen (8) are electrically connected with the controller (7) in a control mode.
  3. 3. The optical lens outer diameter measuring instrument according to claim 1, wherein a driving motor (10) is installed in the frame (1), a driven gear (12) is fixedly installed on the outer wall of the hollow column (11), a driving end of the driving motor (10) is connected with a driving gear (13), and the driving gear (13) is meshed with the driven gear (12).
  4. 4. The optical lens outer diameter measuring instrument as claimed in claim 1, wherein the top surface of the hollow column (11) is provided with a groove, and the movable disc (17) is arranged in the groove.
  5. 5. The optical lens outer diameter measuring instrument as claimed in claim 1, wherein a sliding hole communicated with the negative pressure cavity (14) is formed in the top wall of the hollow column (11), the negative pressure pipe (16) is connected in the sliding hole in a sliding mode, a sealing ring (18) is further arranged on the inner wall of the sliding hole, and the inner wall of the sealing ring (18) is attached to the outer wall of the negative pressure pipe (16).
  6. 6. The optical lens outer diameter measuring instrument as claimed in claim 1, wherein a damping rod (21) is mounted on the top wall of the piston plate (19), the return spring (20) is sleeved outside the damping rod (21), and the other end of the damping rod (21) is connected with the inner top wall of the negative pressure cavity (14).
  7. 7. The optical lens outer diameter measuring instrument as claimed in claim 1, wherein the inner wall of the piston plate (19) is attached to the outer wall of the negative pressure pipe (16), and the outer wall of the piston plate (19) is attached to the inner wall of the negative pressure cavity (14).
  8. 8. The optical lens outer diameter measuring instrument as claimed in claim 1, further comprising a calibration three-jaw chuck, wherein the calibration three-jaw chuck takes a rotary table (9) as a base disc body, the rotary table (9) is of a hollow columnar structure, a through center hole is formed in the axial center of the rotary table, the rotary table (9) is sleeved on a hollow column (11) through the center hole, three radial sliding grooves are uniformly formed in the inner side wall of the rotary table (9) along the circumferential direction, and the three radial sliding grooves are communicated with the center hole; Further comprises: The three clamping claws are correspondingly and slidably embedded in the three radial sliding grooves one by one, the inner side end of each clamping claw is provided with a meshing tooth, and the outer side end of each clamping claw is provided with a clamping surface for being attached to the optical lens; The transmission mechanism is arranged inside the rotary table (9) and meshed with the meshing teeth of the three clamping claws, and under the action of external driving force, the three clamping claws are driven to synchronously move radially along the corresponding radial sliding grooves so as to calibrate the optical lenses.

Description

Optical lens outer diameter measuring instrument Technical Field The utility model relates to the technical field of measuring equipment, in particular to an optical lens outer diameter measuring instrument. Background When the outer diameter of the optical lens is detected, a millimeter card is usually used for manual measurement, and a measuring person manually records the measured value, but when the outer diameters of different positions need to be measured, the technical problems of poor measurement stability, low efficiency and measurement error exist. The present patent (application number: CN202122480909. X) proposes an optical lens outer diameter measuring instrument, which comprises a frame, a rotating mechanism, a light source module, a receiving module and a display module, wherein the rotating mechanism is used for bearing lenses and driving the rotation angles of the lenses, the light source module and the receiving module are respectively arranged at two sides of the rotating mechanism, the display module is electrically connected with the receiving module, the light source module projects a light source to the lenses to be measured, the receiving module receives the size information of the part shielded by the lenses after receiving the light source to obtain the outer diameter size of the lenses to be measured, and the outer diameter is displayed by the display module, and the rotating mechanism can drive the rotation angles of the lenses to measure the outer diameters of different positions. However, the rotating mechanism of the measuring instrument is used as a workbench for bearing the lens, the bearing surface for placing the lens is usually of a flat structure so as to ensure that the lens is stable and the axis is not deviated in the rotation measuring process, but because the mirror surface of the optical lens is of a flat structure, after the measurement is completed, an operator is difficult to quickly and conveniently take off the optical lens from the flat bearing surface of the workbench, and the whole time consumption of single measurement is prolonged. In view of this, the present application has been made. Disclosure of utility model The present utility model is directed to an optical lens outer diameter measuring instrument, which solves the above-mentioned problems in the prior art. In order to solve the technical problems, the optical lens outer diameter measuring instrument provided by the utility model comprises a rack, wherein a detection component is arranged on the rack, a hollow column is rotatably arranged on the rack, a rotary table is sleeved outside the hollow column, the top surface of the rotary table is a working surface for bearing an optical lens, the top surface of the hollow column is flush with the top surface of the rotary table, a negative pressure cavity is formed in the hollow column, a negative pressure pump is arranged in the rack, the negative pressure end of the negative pressure pump is communicated with the negative pressure cavity, a negative pressure pipe sliding along the axial direction of the hollow column is slidably arranged on the top wall of the hollow column, the top end of the negative pressure pipe extends to the upper side of the hollow column and is connected with a movable disc, the bottom end of the negative pressure pipe extends to the inside of the negative pressure cavity and is connected with a piston plate, the top surface of the piston plate is connected with a reset spring, the other end of the reset spring is connected with the inner wall of the negative pressure cavity, and the piston plate is pushed to move upwards under initial elasticity of the reset spring so as to push the negative pressure pipe to drive the movable disc to move away from the hollow column. Further, the detection component comprises a mounting frame arranged on the frame, a CCD camera and a light source emitting device are arranged on the mounting frame, the CCD camera and the light source emitting device are arranged relative to the rotating table, a receiving lens is arranged on the front side of the CCD camera, a light source lens is arranged on the front side of the light source emitting device, a controller is arranged at the top of the mounting frame, a display screen is arranged on the controller, and the CCD camera, the light source emitting device and the display screen are electrically connected with the controller. Further, a driving motor is arranged in the frame, a driven gear is fixedly arranged on the outer wall of the hollow column, a driving gear is connected with the driving end of the driving motor, and the driving gear is meshed with the driven gear. Further, the top surface of the hollow column is provided with a groove, and the movable disc is arranged in the groove. Further, a sliding hole communicated with the negative pressure cavity is formed in the top wall of the hollow column, the negative pressure pipe is slidably conn