Self-adaptive supporting device for large-aperture optical lens

Abstract

The invention provides a large-aperture optical lens self-adaptive supporting device which comprises a base, a stand column, a supporting strip and a stable clamping plate, a plurality of adjusting holes penetrating through the inner arc-shaped face and the outer arc-shaped face of the supporting strip are evenly formed in the supporting strip in the radial direction, and supporting balls and springs are arranged in the adjusting holes in a sleeved mode. During use, an optical lens is placed in the limiting devices on the inner arc-shaped surfaces of the supporting strips, and then the stable clamping plates on the two sides are adjusted according to the size of the optical lens, so that the stable clamping plates clamp the optical lens from the two sides of the optical lens, the stability of the optical lens is guaranteed, and the device can be suitable for the optical lenses of different sizes and sizes; besides, a plurality of supporting devices composed of supporting balls and springs are uniformly arranged on the supporting strips, so that the optical lens can be flexibly and uniformly supported, and the testing accuracy and stability are greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of high-precision optical detection, and in particular to an adaptive supporting device for large-aperture optical lenses. Background Art

[0002] Large-aperture optical lenses are used in a wide range of applications. After processing, they need to be inspected. The lenses are placed on a support device and then tested with specialized testing equipment. Only after passing the inspection can they be packaged. However, existing support devices suffer from poor stability and large testing errors. Summary of the Invention

[0003] The present invention proposes an adaptive support device for large-aperture optical lenses, which solves the problems of poor stability and large test errors in existing support devices used for optical lens testing.

[0004] The technical solution of the present invention is achieved as follows:

[0005] The adjusting screw is connected to the inner thread of the outer port of the support bar, and the adjusting screw is located between the support ball and the adjusting screw. The two ends of the support bar are symmetrically provided with stabilizing splints that can move closer to and farther away from each other. Symmetrical clamping grooves are provided on the opposite surfaces of the stabilizing splints. The stabilizing splints are provided with an adjusting and fixing device to fix the stabilizing splints on the support bar after they are moved into place.

[0006] Preferably, the base is a plate-shaped base, the column is an L-shaped column, and the column is fixed to the base by a first fixing screw.

[0007] Preferably, the base is an aluminum base, the columns are aluminum columns, and the support bars are aluminum support bars.

[0008] Preferably, the support bar is a semicircular support bar.

[0009] Preferably, the support bar is fixed to the column by a second fixing screw.

[0010] Preferably, the supporting balls are ceramic balls.

[0011] Preferably, an internal thread cooperating with the adjusting screw is provided in the external port.

[0012] Preferably, the limiting device is a limiting groove opened along the length direction of the inner arc-shaped surface of the support bar or at least a group of limiting blocks fixed on the inner arc-shaped surface of the support bar at front and rear intervals.

[0013] Preferably, the adjusting and fixing device includes a runway-shaped hole provided on the stabilizing splint and a screw hole provided on the end surface of the supporting bar, and also includes a third fixing screw connected to the screw hole through the runway-shaped hole.

[0014] Preferably, the stabilizing splint is a polytetrafluoroethylene stabilizing splint.

[0015] The beneficial effects of the present invention are as follows: when the present invention is used, the optical lens is placed in the limiting device on the inner arc surface of the support bar, and then the stabilizing splints on both sides are adjusted according to the size of the optical lens, so that the stabilizing splints clamp the optical lens from both sides of the optical lens, thereby ensuring the stability of the optical lens and being suitable for optical lenses of different sizes; in addition, a supporting device composed of a number of supporting balls and springs is evenly arranged on the support bar, which can realize flexible and uniform support for the optical lens, greatly improving the accuracy and stability of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention 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. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A stereogram of the invention;

[0018] Figure 2 A cross-sectional view of the invention;

[0019] Figure 3 This is a usage state diagram of the invention.

[0020] The reference numbers in the figure are: 1-base, 2-column, 3-support bar, 4-inner arc surface, 5-outer arc surface, 6-adjustment hole, 7-support ball, 8-spring, 9-adjustment screw, 10-stabilizing splint, 11-clamping groove, 12-limit block, 13-runway-shaped hole, 14-optical lens, 15-second fixing screw. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] Reference Figure 1-3 , an adaptive support device for large-diameter optical lenses, including a base 1, two vertically symmetrical columns 2 are fixed on the base 1, an arc-shaped support bar 3 is fixedly connected between the two columns 2, the inner arc surface 4 of the support bar 3 is upward, and a limit device for limiting the position of the optical lens is provided on the inner arc surface 4 of the support bar 3, and a plurality of adjustment holes 6 are uniformly opened on the support bar 3 along the radial direction, which pass through the inner arc surface 4 and the outer arc surface 5 of the support bar. The end of the adjustment hole 6 close to the inner arc surface 4 of the support bar is the inner port, and the adjustment hole 6 close to the support bar is the inner port. The port of the outer arc-shaped surface 5 of the support bar 3 is the outer port, and the adjusting hole 6 is sleeved with a supporting ball 7 and a spring 8. The diameter of the inner port is smaller than the supporting ball 7. The outer port is connected to the adjusting screw 9 through the inner thread. The spring 8 is located between the supporting ball 7 and the adjusting screw 9. The two ends of the support bar 3 are symmetrically provided with stabilizing splints 10 that can approach and move away from each other. Symmetrical clamping grooves 11 are provided on the opposite surfaces of the stabilizing splints 10. The stabilizing splint 10 is provided with an adjusting and fixing device to fix it on the support bar 3 after the stabilizing splint 10 is moved into place.

[0023] As a preferred technical solution, the base 1 is a plate-shaped base, the column 2 is an L-shaped column, and the column 2 is fixed to the base 1 by a first fixing screw (not shown).

[0024] As a preferred technical solution, the support bar 3 is a semicircular support bar and is fixed to the column 2 by a second fixing screw 15 .

[0025] As a preferred technical solution, an internal thread cooperating with the adjusting screw 9 is provided in the outer port.

[0026] As a preferred technical solution, the limiting device is a limiting groove (not shown) opened along the length direction of the inner arc surface 4 of the support bar 3 or at least one group of limiting blocks 12 fixed on the inner arc surface 4 of the support bar 3 at front and rear intervals.

[0027] As a preferred technical solution, the adjusting and fixing device includes a runway-shaped hole 13 provided on the stabilizing splint 10 and a screw hole provided on the end surface of the support bar 3, and also includes a third fixing screw (not shown) connected to the screw hole through the runway-shaped hole.

[0028] As a preferred technical solution, the base 1 is an aluminum base, the column 2 is an aluminum column, the support bar is an aluminum support bar, the support ball 7 is a ceramic ball, and the stabilizing splint 10 is a polytetrafluoroethylene stabilizing splint.

[0029] When the present invention is used, the optical lens 14 is placed in the limiting device on the inner arc surface 4 of the support bar 3, and then the stabilizing splints 10 on both sides are adjusted according to the size of the optical lens 14, so that the stabilizing splints 10 clamp the optical lens 14 from both sides of the optical lens 14, thereby ensuring the stability of the optical lens 14 and being suitable for optical lenses 14 of different sizes and dimensions; in addition, a supporting device consisting of a plurality of supporting balls 7 and springs 8 is evenly arranged on the support bar 3, which can realize flexible and uniform support for the optical lens 14, greatly improving the accuracy and stability of the test.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the scope of protection of the present invention.

Claims

1. An adaptive support device for large-aperture optical lenses, characterized by: The cam is secured to the base with two vertically symmetrical columns fixed on it, and an arc-shaped support bar is fixedly connected between the two columns, the inner arc surface of the support bar faces upward, and a limiting device for limiting the optical lens is provided on the inner arc surface of the support bar, and a number of adjustment holes penetrating the inner arc surface and the outer arc surface of the support bar are evenly provided on the support bar along the radial direction, the port of the adjustment hole close to the inner arc surface of the support bar is the inner port, and the port of the adjustment hole close to the outer arc surface of the support bar is the outer port, a support ball and a spring are sleeved in the adjustment hole, the diameter of the inner port is smaller than that of the support ball, and an adjusting screw is connected to the inner thread of the outer port, and the spring is located between the support ball and the adjusting screw, and symmetrical stabilizing splints that can approach and move away from each other are provided at both ends of the support bar, and symmetrical clamping grooves are provided on the opposite surfaces of the stabilizing splints, and an adjusting and fixing device is provided on the stabilizing splint to fix it on the support bar after it is moved into place.

2. The adaptive support device for a large-aperture optical lens according to claim 1, characterized in that: The base is a plate-shaped base, the column is an L-shaped column, and the column is fixed to the base by a first fixing screw.

3. The large-aperture optical lens adaptive support device according to claim 2, characterized in that: The base is an aluminum base, the columns are aluminum columns, and the support bars are aluminum support bars.

4. The adaptive support device for a large-aperture optical lens according to claim 1, characterized in that: The support bar is a semicircular support bar.

5. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: The support bar is fixed to the column by a second fixing screw.

6. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: The supporting balls are ceramic balls.

7. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: An internal thread matching the adjusting screw is provided in the external port.

8. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: The limiting device is a limiting groove opened along the length direction of the inner arc surface of the support bar or at least one group of limiting blocks fixed on the inner arc surface of the support bar at front and rear intervals.

9. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: The adjusting and fixing device includes a track-shaped hole provided on the stabilizing splint and a screw hole provided on the end surface of the supporting bar, and also includes a third fixing screw connected to the screw hole through the track-shaped hole.

10. The large-aperture optical lens adaptive support device according to claim 1, characterized in that: The stabilizing splint is a polytetrafluoroethylene stabilizing splint.

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