CN221055689U - Miniature optical lens thickness detection device - Google Patents

Abstract

The utility model discloses a miniature optical lens thickness detection device which comprises a base, a support frame, a height adjusting mechanism, a detection instrument and a positioning mechanism, wherein one side of the base is vertically arranged on the support frame, the height adjusting mechanism is arranged on the support frame, the detection instrument is arranged above the height adjusting mechanism, a probe of the detection instrument is downwards vertical to the base, and the positioning mechanism is arranged at a position on the base corresponding to the probe. This miniature optical lens piece thickness detection device fixes a position the lens through positioning mechanism, and the constant head tank on the locating lever can be adapted to the thickness detection demand of various forms miniature lens pieces such as plane mirror, convex mirror, concave mirror, has improved the practicality of this detector, has solved the not enough in the prior art.

Description

Miniature optical lens thickness detection device

Technical Field

The utility model relates to the technical field of lens thickness detection, in particular to a miniature optical lens thickness detection device.

Background

After the optical lens is produced, the thickness of the optical lens needs to be detected, so that whether the product meets the standard requirement is judged. The thickness of lens adopts dedicated thickness detector to detect generally, and the patent of bulletin number CN212747603U discloses a lens thickness detector, and during the use, upwards draws up the gauge head of detecting instrument, places the lens in the locating hole of setting element and fixes a position, slowly releases the gauge head of detecting instrument, can measure the central thickness of lens.

However, the above-mentioned detector is suitable for detecting only lenses of a conventional size, such as glasses, lens glasses of cameras or video cameras, etc., and is not suitable for detecting micro-lenses such as microscope goggles or objective lenses, camera lenses of mobile phones, endoscope lenses, etc., and it does not describe how to detect lenses of different forms, such as plane mirrors, concave mirrors, convex mirrors, etc.

To this end, the applicant devised a thickness measuring instrument capable of solving the above-mentioned problems for various types of micro-lenses.

Disclosure of utility model

In order to solve the technical problems, the utility model discloses a miniature optical lens thickness detection device which comprises a base, a support frame, a height adjusting mechanism, a detection instrument and a positioning mechanism, wherein the support frame is vertically arranged on one side of the base, the height adjusting mechanism is arranged on the support frame, the detection instrument is arranged above the height adjusting mechanism, a probe of the detection instrument is downwards vertical to the base, and the positioning mechanism is arranged on the base at a position corresponding to the probe.

Further, positioning mechanism includes mount pad and locating lever, the mount pad is fixed to be set up on the base, the locating lever top is equipped with the constant head tank, the bottom is equipped with the screw rod, the locating lever passes through the screw rod and is connected with the mount pad is detachable.

Further, a positioning hole is formed in the mounting seat, a positioning boss is arranged at the upper side of the screw rod, and after the screw rod is in threaded connection with the mounting seat, the positioning boss is located in the positioning hole.

Further, the positioning groove is a circular groove with a plane bottom surface, a convex surface or a concave surface.

Further, the height adjusting mechanism comprises sliding rails, sliding blocks, connecting plates and locking nuts, wherein the sliding rails are arranged on two sides of the supporting frame, the sliding blocks are arranged between the sliding rails on the two sides in a sliding mode, the connecting plates are connected with the tops of the sliding blocks, and the locking nuts are in threaded connection with the sliding blocks and the tail ends of the locking nuts are abutted to the supporting frame.

Further, an auxiliary sliding rod is vertically arranged above the sliding rail, a through hole corresponding to the auxiliary sliding rod is formed in the connecting plate, and the auxiliary sliding rod penetrates through the through hole and is in sliding connection with the connecting plate.

The beneficial effects of the utility model are as follows:

This miniature optical lens piece thickness detection device fixes a position the lens through positioning mechanism, and the constant head tank on the locating lever can be adapted to the thickness detection demand of various forms miniature lens pieces such as plane mirror, convex mirror, concave mirror, has improved the practicality of this detector, has solved the not enough in the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of a first embodiment of the present utility model;

FIG. 2 is a schematic structural view of a positioning mechanism according to a first embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a usage state of the positioning mechanism according to the first embodiment of the present utility model;

FIG. 4 is a schematic view illustrating a usage state of the positioning mechanism according to the second embodiment of the present utility model;

fig. 5 is a schematic view illustrating a use state of the positioning mechanism according to the third embodiment of the present utility model.

Reference numerals:

1-a base; 2-supporting frames; 3-a height adjustment mechanism; 31-sliding rails; 32-a slider; 33-connecting plates; 34-locking nut; 35-auxiliary slide bar; 4-detecting an instrument; 41-probe; 42-pulling rod; 5-a positioning mechanism; 51-mounting seats; 52-positioning a rod; 53-positioning grooves; 54-screw; 55-positioning holes; 56-positioning the boss.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise specifically indicated and defined. For example, the connection can be fixed connection, detachable connection or integral connection; can be mechanically or electrically connected; can be directly connected, can be connected through an intermediary medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

As shown in fig. 1, the micro-optical lens thickness detection device of the present embodiment includes a base 1, a support frame 2, a height adjusting mechanism 3, a detection instrument 4 and a positioning mechanism 5, wherein the support frame 2 is vertically arranged on one side of the base 1, the height adjusting mechanism 3 is arranged on the support frame 2, the detection instrument 4 is arranged above the height adjusting mechanism 3, a probe 41 of the detection instrument 4 is vertical to the base 1 downwards, and the positioning mechanism 5 is arranged on the base 1 at a position corresponding to the probe 41.

The height adjusting mechanism 3 comprises slide rails 31, sliding blocks 32, connecting plates 33 and locking nuts 34, the slide rails 31 are arranged on two sides of the support frame 2, the sliding blocks 32 are arranged between the slide rails 31 on two sides in a sliding mode, the connecting plates 33 are connected with the tops of the sliding blocks 32, and the detecting instrument 4 is vertically arranged above the connecting plates 33.

The lock nut 34 is screwed with the slider 32, and the end of the lock nut 34 passes through the slider 32 to abut against the support frame 2. When the height is adjusted, the locking nut 34 is rotated anticlockwise to be loosened, the sliding block 32 and the connecting plate 33 are slid up and down, and then the height of the detection instrument 4 is adjusted; after the adjustment is completed, the lock nut 34 is rotated clockwise so that the end thereof is tightly abutted against the support frame 2, thereby realizing the locking between the slider 32 and the support frame 2.

An auxiliary slide bar 35 is vertically arranged above the slide rail 31, a through hole corresponding to the auxiliary slide bar 35 is arranged on the connecting plate 33, and the auxiliary slide bar 35 passes through the through hole and is in sliding connection with the connecting plate 33; the auxiliary slide bar 35 can ensure smooth sliding of the connection plate 33 and stable support of the connection plate 33 after locking.

As shown in fig. 2, the positioning mechanism 5 includes a mounting seat 51 and a positioning rod 52, the mounting seat 51 is fixedly arranged on the base 1, a positioning groove 53 is arranged at the top end of the positioning rod 52, a screw 54 is arranged at the bottom end of the positioning rod 52, and the positioning rod 52 is detachably connected with the mounting seat 51 through the screw 54.

The mounting seat 51 is provided with a positioning hole 55, a positioning boss 56 is arranged at the upper side of the screw 54, and after the screw 54 is in threaded connection with the mounting seat 51, the positioning boss 56 is positioned in the positioning hole 55, so that stable connection between the positioning rod 52 and the mounting seat 51 is ensured.

As shown in fig. 3, the positioning groove 53 is a circular groove with a plane bottom surface, and the structure can be used for thickness detection of a plane lens.

Embodiment two:

As shown in fig. 4, in the present embodiment, the positioning groove 53 is a circular groove with a convex bottom surface, and this structure can be used for thickness detection of the concave lens.

Embodiment III:

as shown in fig. 5, in the present embodiment, the positioning groove 53 is a circular groove with a concave bottom surface, and this structure can be used for thickness detection of a convex lens.

During detection, the detection instrument 4 is adjusted to a proper height, then the probe 41 of the detection instrument 4 is pulled up through the pull rod 42 above, the lens is placed in the positioning groove 53, the pull rod 42 is slowly put down, the probe 41 is gently contacted with the surface of the lens, and at the moment, the thickness value of the lens can be read through the detection instrument 4. The detecting instrument 4 adopts a dial indicator or a dial indicator which is conventional in the art, and can be mechanical or digital.

When the lenses in different forms need to be detected, the used positioning rod 52 can be unscrewed and replaced with other types of positioning rods so as to detect the thickness of the lenses such as the plane mirror, the convex mirror, the concave mirror and the like, the practicability is greatly improved, and the purpose of 'one machine with multiple functions' is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model. In addition, the technical solutions between the embodiments may be combined with each other, but must be based on the implementation by those of ordinary skill in the art; when the combination of the technical solutions is contradictory or impossible to realize, it should be considered that the combination of the technical solutions does not exist and is not within the scope of protection claimed by the present utility model.

Claims (6)

1. The utility model provides a miniature optical lens piece thickness detection device which characterized in that: including base, support frame, altitude mixture control mechanism, instrumentation and positioning mechanism, the support frame sets up base one side perpendicularly, altitude mixture control mechanism sets up on the support frame, instrumentation sets up in altitude mixture control mechanism top, just instrumentation's probe downward perpendicular to base, positioning mechanism set up on the base with the corresponding position of probe.

2. The micro optical lens thickness detection apparatus according to claim 1, wherein: the positioning mechanism comprises a mounting seat and a positioning rod, wherein the mounting seat is fixedly arranged on the base, a positioning groove is formed in the top end of the positioning rod, a screw is arranged at the bottom end of the positioning rod, and the positioning rod is detachably connected with the mounting seat through the screw.

3. The micro optical lens thickness detection apparatus according to claim 2, wherein: the mounting seat is provided with a positioning hole, a positioning boss is arranged at the upper side of the screw rod, and after the screw rod is in threaded connection with the mounting seat, the positioning boss is positioned in the positioning hole.

4. The micro optical lens thickness detection apparatus according to claim 2, wherein: the positioning groove is a circular groove with a plane bottom surface, a convex surface or a concave surface.

5. The micro optical lens thickness detection apparatus according to claim 1, wherein: the height adjusting mechanism comprises sliding rails, sliding blocks, connecting plates and locking nuts, wherein the sliding rails are arranged on two sides of the supporting frame, the sliding blocks are arranged between the sliding rails on the two sides in a sliding mode, the connecting plates are connected with the tops of the sliding blocks, and the locking nuts are in threaded connection with the sliding blocks and the tail ends of the locking nuts are abutted to the supporting frame.

6. The micro-optic lens thickness detection device according to claim 5, wherein: an auxiliary sliding rod is vertically arranged above the sliding rail, a through hole corresponding to the auxiliary sliding rod is formed in the connecting plate, and the auxiliary sliding rod penetrates through the through hole and is in sliding connection with the connecting plate.