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CN-224209897-U - Centering and positioning device for optical lens

CN224209897UCN 224209897 UCN224209897 UCN 224209897UCN-224209897-U

Abstract

The utility model relates to the technical field of optical lens processing, in particular to a centering and positioning device for an optical lens. The utility model provides a centering positioning device for an optical lens, which comprises a workbench, a centering mechanism, a three-jaw chuck, a centering tool, a vertical sliding rail, a vertical sliding block and the like, wherein the front side of the workbench is fixedly provided with the centering mechanism, the upper end of the centering mechanism is fixedly connected with the three-jaw chuck, the centering tool is placed at the center of a circle of the three-jaw chuck, the rear side of the workbench is fixedly provided with the vertical sliding rail, and the vertical sliding block is arranged on the vertical sliding rail in a sliding manner. According to the utility model, the optical lens is clamped and limited by the three-jaw chuck, and the overlapping position of the cross image of the optical lens and the optical cross line is adjusted by rotating the first worm and the second worm, so that the effect of centering the optical lens is achieved.

Inventors

  • ZHENG WEIXUE

Assignees

  • 江西永强光电科技有限公司

Dates

Publication Date
20260508
Application Date
20250407

Claims (7)

  1. 1. The centering positioning device for the optical lens is characterized by comprising a workbench (1), a centering mechanism (2), a three-jaw chuck (3), a centering tool (304), a vertical sliding rail (4), a vertical sliding block (5), a camera (6) and a display (7), wherein the centering mechanism (2) is fixedly arranged on the front side of the workbench (1), the centering mechanism (2) comprises a bottom plate (201), a limiting ring (202), a supporting block (203), a first worm (204), a first sliding block (205), a moving rod (206), a second sliding block (207), a moving frame (208), a second worm (209), a clamping plate (210), an upper toothed ring (211) and a lower toothed ring (212), the limiting ring (202) is fixedly arranged on the bottom plate (201), two supporting blocks (203) are symmetrically and fixedly arranged on the front side and the rear side of the bottom plate (201), a first worm (204) is rotatably arranged on the front side of the two supporting blocks (203), the right side of the first worm (204) is rotatably arranged outside the limiting ring (202), one sliding block (205) is fixedly arranged on the supporting blocks (203) on the front side and the rear side of the supporting blocks (203), the first sliding block (205) is close to the two sliding rods (206), the left and right sides between two movable rods (206) upper end all is fixed and is equipped with a second slider (207), sliding type is equipped with between two second sliders (207) and removes frame (208), the left side is equipped with the rack in removing frame (208), it wears to be equipped with second worm (209) to remove frame (208) right side rotation formula, fixed splint (210) that are equipped with between two movable rods (206), splint (210) upper half bearing rotation is equipped with toothed ring (211), splint (210) lower half bearing rotation is equipped with toothed ring (212), toothed ring (211) and second worm (209) and the rack meshing on removing frame (208) down, toothed ring (212) and first worm (204) meshing down, centering mechanism (2) upper end rigid coupling has three-jaw chuck (3), centering utensil (304) have been placed in three-jaw chuck (3) centre of a circle department, workstation (1) rear side is fixed and is equipped with perpendicular slide rail (4), slide rail (4) upper sliding type is equipped with perpendicular slider (5), perpendicular slider (5) front side fixed type wears to be equipped with slider (6), fixed display (7) are installed to left side fixed.
  2. 2. The centering and positioning device for an optical lens according to claim 1, wherein the centering mechanism (2) is circular as a whole.
  3. 3. A centering and positioning device for an optical lens as claimed in claim 2, wherein the upper end surfaces of the moving rod (206) and the moving frame (208) are higher than the first slider (205) and the second slider (207).
  4. 4. A centering and positioning device for an optical lens as claimed in claim 3, wherein the upper toothed ring (211) and the lower toothed ring (212) do not interfere with each other when each rotates.
  5. 5. The centering and positioning device for an optical lens as claimed in claim 4, further comprising an optical cross wire (213), wherein the optical cross wire (213) is fixedly arranged at the center of the bottom plate (201).
  6. 6. The centering and positioning device for the optical lens according to claim 5, wherein the three-jaw chuck (3) comprises jaws (301), clamping pieces (302) and a driving disc (303), wherein the driving disc (303) is uniformly provided with the three jaws (301) around the circle center in a driving manner, and the clamping pieces (302) are rotatably arranged on the jaws (301).
  7. 7. The centering and positioning device for optical lens of claim 6, wherein the lower end surface of the driving plate (303) is fixedly connected with the upper end surface of the movable frame (208).

Description

Centering and positioning device for optical lens Technical Field The utility model relates to the technical field of optical lens processing, in particular to a centering and positioning device for an optical lens. Background The optical lens is a lens manufactured by using optical glass, and the optical glass has specific requirements on optical characteristics such as refractive index, dispersion, transmittance, spectral transmittance, light absorption and the like, has uniform optical properties, can change the propagation direction of light, and can change the relative spectral distribution of ultraviolet, visible or infrared light. The optical lens needs to be centered to ensure that light can pass accurately, thereby achieving clear imaging and a desired visual effect, and the centering can minimize aberrations such as coma and astigmatism, ensure image quality, and in addition, lenses in the optical system, if not centered, can cause light to deviate from a design path, resulting in loss of light energy and image distortion. Therefore, it is necessary to design a centering and positioning device for an optical lens. Disclosure of utility model In order to overcome the defects of light energy loss and image distortion caused by light ray deviation from a designed path due to the misalignment of an optical lens, the technical problem to be solved is to provide a centering and positioning device for an optical lens. The technical scheme of the utility model is as follows: the centering and positioning device for the optical lens comprises a workbench, a centering mechanism, a three-jaw chuck, a centering tool, a vertical sliding rail, a vertical sliding block, a camera and a display, wherein the front side of the workbench is fixedly provided with the centering mechanism, the centering mechanism comprises a bottom plate, a limiting ring, supporting blocks, a first worm, a first sliding block, a moving rod, a second sliding block, a moving frame, a second worm, a clamping plate, an upper toothed ring and a lower toothed ring, the bottom plate is fixedly provided with the limiting ring, the front side and the rear side of the bottom plate are symmetrically and fixedly provided with two supporting blocks, the front side of the bottom plate is provided with a first worm in a rotating manner, the right side of the first worm is rotatably penetrated outside the limiting ring, the supporting blocks on the front side and the rear side of the bottom plate are fixedly provided with a first sliding block, one side of the two first sliding blocks, which are close to each other, is provided with the moving rod in a sliding manner, the left and right sides between two movable rod upper ends all are fixed and are equipped with a second slider, sliding type is equipped with between two second sliders and removes the frame, remove the inboard left side and be equipped with the rack, it wears to be equipped with the second worm to remove frame right side rotation, fixed being equipped with splint between two movable rods, splint upper half bearing rotation is equipped with the ring gear, splint lower half bearing rotation is equipped with down the ring gear, go up the ring gear and second worm and remove the rack engagement on the frame, lower ring gear and first worm engagement, centering mechanism upper end is fixed with the three-jaw chuck, centering utensil has been placed to three-jaw chuck centre of a circle department, the workstation rear side is fixed to be equipped with perpendicular slide rail, sliding type is equipped with perpendicular slider on the perpendicular slide rail, perpendicular slider front side is fixed wears to be equipped with the camera, perpendicular slide rail left side is fixed installs the display. As a preferable technical scheme of the utility model, the centering mechanism is round as a whole. As a preferable technical scheme of the utility model, the upper end surfaces of the moving rod and the moving frame are higher than the first sliding block and the second sliding block. As a preferable technical scheme of the utility model, the upper toothed ring and the lower toothed ring do not influence each other when rotating respectively. As a preferable technical scheme of the utility model, the utility model further comprises an optical cross wire, and the optical cross wire is fixedly arranged at the center of the bottom plate. As a preferable technical scheme of the utility model, the three-jaw chuck comprises jaws, clamping pieces and a driving disc, wherein the driving disc is uniformly provided with three jaws around the circle center in a driving manner, and the clamping pieces are rotatably arranged on the jaws. As a preferable technical scheme of the utility model, the lower end face of the driving disc is fixedly connected with the upper end face of the movable frame. The three-jaw chuck has the beneficial effects that the three-jaw chuck is used for clamping and limiting the op