CN211012792U

CN211012792U - Lens surface type test equipment

Info

Publication number: CN211012792U
Application number: CN201922465345.5U
Authority: CN
Inventors: 王天洲
Original assignee: NANYANG SHIJIA PHOTOELECTRIC CO Ltd
Current assignee: NANYANG SHIJIA PHOTOELECTRIC CO Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

A lens surface type testing device comprises a horizontally arranged bottom plate, wherein a lifting device is arranged on the bottom plate, the lifting device comprises a limiting cylinder, a sliding cylinder and a sleeve, the lower end of the limiting cylinder is fixedly connected with the bottom plate, the upper end of the limiting cylinder is coaxially and fixedly connected with the lower end of the sliding cylinder, the sliding cylinder extends into the sleeve from the opening at the lower end of the sleeve, a compression spring is vertically arranged in the sleeve, the lens surface type testing device also comprises a cross beam and a micrometer, the left end and the right end of the cross beam are respectively fixedly connected with the left sleeve and the right sleeve, a stand column is vertically arranged on the cross beam, a clamp is arranged below the stand column, the clamp is cylindrical, the bottom end of the clamp is fixedly connected with the bottom plate, the upper end of the clamp is provided with four circular grooves, the micrometer gauges are arranged, when the lower end of the sleeve descends to be in contact with the upper end of the limiting cylinder, the probe of the micrometer is in contact with the bottom surface of the groove. In a word, the utility model discloses shorten the measured time of lens face type, improved measurement of efficiency.

Description

Lens surface type test equipment

Technical Field

The utility model relates to an optical lens piece makes the field, concretely relates to lens face type test equipment.

Background

The lens is a transparent material with a curved surface, which is made of optical materials such as glass or resin, and the lens is widely applied to the square surface of social life nowadays, in order to ensure the quality of the processed lens, the surface type of the lens needs to be detected, the existing lens surface type testing technology usually adopts a contact type contour detection technology, namely, a contact type contourgraph is adopted to measure the surface type of the lens, but the whole lens surface of the lens needs to be scanned when a single lens is measured by the measuring mode, the period is long, the time consumption is more, the measuring efficiency is lower, and the requirement of mass production is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lens surface type test equipment, the technical problem that solve is: the time for measuring the lens surface type is shortened, and the measuring efficiency is improved.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a lens surface type testing device comprises a horizontally arranged bottom plate, wherein a lifting device is arranged on the bottom plate, the lifting device is respectively arranged on the left side and the right side, the lifting device comprises a limiting cylinder, a sliding cylinder and a sleeve, the limiting cylinder is vertically arranged, the lower end of the limiting cylinder is fixedly connected with the bottom plate, the upper end of the limiting cylinder is coaxially and fixedly connected with the lower end of the sliding cylinder, the diameter of the sliding cylinder is smaller than that of the limiting cylinder, the sleeve is vertically arranged, the upper end of the sleeve is sealed, the sliding cylinder extends into the sleeve from the opening at the lower end of the sleeve and is in sliding fit with the sleeve, a compression spring is vertically arranged in the sleeve, the lower end of the compression spring is limited through the upper end face of the sliding cylinder, and the upper end of the compression spring is; the device also comprises a cross beam and a micrometer, wherein the cross beam is arranged along the left and right directions, the left and right ends of the cross beam are respectively fixedly connected with a left sleeve and a right sleeve, a vertical column is vertically arranged on the cross beam, a clamp is arranged below the vertical column and is in a cylindrical shape, the bottom end of the clamp is fixedly connected with a bottom plate, the upper end of the clamp is provided with a circular groove, the groove and the clamp are coaxially arranged, the groove and a lens to be measured are arranged in a clearance fit manner, the groove bottom surface of the groove is attached to the bottom surface of the lens to be measured, the micrometer is provided with four probes, the four probes of the micrometer are vertically arranged, the probes of the four micrometers are distributed in a square shape and are fixedly arranged on the vertical column, the lower ends of the four micrometer probes are positioned on the same horizontal plane, the probes of the four micrometers are positioned above the groove, the axes of the clamp are coaxially arranged with the distribution centers of the, the probe of the micrometer is contacted with the bottom surface of the groove.

Preferably, at least two notches are arranged on the groove wall of the groove.

Preferably, the micrometer adopts an electrical inductance micrometer.

Preferably, the micrometer adopts a dial indicator.

Compared with the prior art, the beneficial effects of the utility model are that: in the testing process of the lens surface type, a plurality of probes are arranged, the sizes of different positions of the lens to be tested can be measured in the measuring process through pressing, the time for scanning the lens is saved, the testing result can be obtained through simple comparison, and the method is simple and convenient and saves time; when the push type is measured, the probe of the micrometer is simply contacted with the lens, and compared with a method of adopting a contact type contourgraph to measure the surface type of the lens, the scratch of the lens can be effectively reduced. In a word, the utility model discloses shorten the measured time of lens face type, improved measurement of efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention.

In the figure: 1. the measuring device comprises a bottom plate, 2, a limiting cylinder, 3, a sliding cylinder, 4, a sleeve, 5, a beam, 6, a stand column, 7, a measuring head, 8, a clamp, 801, a notch, 9, a lens, 10 and a compression spring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example (b): as shown in fig. 1 and 2, the present invention provides a lens surface type testing apparatus, comprising a horizontally disposed base plate 1, the bottom plate 1 is provided with a lifting device, the lifting device is respectively arranged at the left side and the right side and comprises a limiting cylinder 2, a sliding cylinder 3 and a sleeve 4, the limiting cylinder 2 is vertically arranged, the lower end of the limiting cylinder 2 is fixedly connected with the bottom plate 1, the upper end of the limiting cylinder 2 is coaxially and fixedly connected with the lower end of the sliding cylinder 3, the diameter of the sliding cylinder 3 is smaller than that of the limiting cylinder 2, the sleeve 4 is vertically arranged, the upper end of the sleeve 4 is sealed, the sliding cylinder 3 extends into the sleeve 4 from an opening at the lower end of the sleeve 4 and is in sliding fit with the sleeve 4, the compression spring 10 is vertically arranged in the sleeve 4, the lower end of the compression spring 10 is limited through the upper end face of the sliding cylinder 3, and the upper end of the compression spring 10 is limited through the upper end of the sleeve 4; the lens surface shape measuring device comprises a cross beam 5 and a micrometer, wherein the cross beam 5 is arranged along the left and right direction, the left and right ends of the cross beam 5 are respectively fixedly connected with a left sleeve 4 and a right sleeve 4, an upright post 6 is vertically arranged on the cross beam 5, a clamp 8 is arranged below the upright post 6, the clamp 8 is cylindrical, the bottom end of the clamp 8 is fixedly connected with a bottom plate 1, the upper end of the clamp 8 is provided with a circular groove, the groove and the clamp 8 are coaxially arranged, the groove and a lens to be measured are in clearance fit, the groove bottom surface of the groove and the bottom surface of the lens to be measured are arranged in a fit manner, the upper surface of the lens to be measured is in an upwards convex arc shape, the distances between different positions and the bottom surface of the lens to be measured are different, the surface shape of the lens surface can be converted into the size in the vertical direction by measuring the distances between different, the probes 7 of the four micrometer are distributed in a square shape and are fixedly arranged on the stand column 6, the lower ends of the four micrometer probes 7 are positioned on the same horizontal plane, the probes 7 of the four micrometer probes are positioned above the grooves, the axis of the clamp 8 is coaxially arranged with the distribution centers of the four micrometer probes 7, namely, the axis of the clamp 8 is positioned at the central position of the four micrometer probes 7, and when the lower end of the sleeve 4 is lowered to be in contact with the upper end of the limiting cylinder 2, the probes 7 of the micrometer probes are in contact with the bottom surface of the grooves.

Furthermore, at least two notches 801 are formed in the groove wall of the groove, so that the lens can be rotated conveniently.

Specifically, the micrometer adopts an inductance micrometer, and has the advantages of high precision, convenient operation and high stability.

Specifically, the micrometer adopts a dial indicator, has a simple structure and low cost, and can adopt the dial indicator on occasions with low precision requirements.

The utility model provides a lens surface type test equipment, in the in-service use process, in the test process of lens surface type, at first put standard size's lens in the recess in anchor clamps 8, press down crossbeam 5 again and make when the lower extreme of sleeve 4 descends to contact with the upper end of spacing cylinder 2, the probe 7 of four micrometer at this moment contacts with the different positions of standard lens respectively, record the readings of four micrometer, then loosen crossbeam 5, sleeve 4 rises under the effect of compression spring 10 and resets, in order to guarantee the accuracy of measuring result, rotatable standard size lens carry out the measuring result average value of measuring each micrometer many times, increased the measuring point, improved measurement accuracy, then take off standard size's lens, press down crossbeam 5 once more after putting into lens 9 to be measured in the recess and make when the lower extreme of sleeve 4 descend to contact with the upper end of spacing cylinder 2, the probe 7 of four micrometer at this moment contacts with the different positions of the lens 9 that awaits measuring respectively, note the registration of four micrometer once more, in order to guarantee the accuracy of measuring result, the rotatable lens 9 that awaits measuring carries out the measuring result of measuring every micrometer many times and gets the average value, the registration of twice micrometer around the comparison, if the two difference is within error range, then the face type of the lens 9 that awaits measuring is qualified, otherwise, the face type of the lens 9 that awaits measuring is unqualified, whole measurement process need not to measure the whole mirror surface of lens, the time of scanning the lens has been saved, can obtain the test result through simple contrast, and is simple and convenient, and the time is saved. In a word, the utility model discloses shorten the measured time of lens face type, improved measurement of efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. A lens surface type test equipment which characterized in that: comprises a bottom plate (1) which is horizontally arranged, wherein a lifting device is arranged on the bottom plate (1), the lifting device is respectively arranged at the left side and the right side, the lifting device comprises a limit cylinder (2), a sliding cylinder (3) and a sleeve (4), the limit cylinder (2) is vertically arranged, the lower end of the limit cylinder (2) is fixedly connected with the bottom plate (1), the upper end of the limit cylinder (2) is coaxially and fixedly connected with the lower end of the sliding cylinder (3), the diameter of the sliding cylinder (3) is smaller than that of the limit cylinder (2), the sleeve (4) is vertically arranged and the upper end of the sleeve (4) is sealed, the sliding cylinder (3) extends into the sleeve (4) from the opening at the lower end of the sleeve (4) and is in sliding fit with the sleeve (4), a compression spring (10) is vertically arranged in the sleeve (4), the lower end of the compression spring (10) is limited by the upper end face of the sliding cylinder (, the upper end of the compression spring (10) is limited by the upper end of the sleeve (4); the lens clamp comprises a base plate (1), and is characterized by further comprising a cross beam (5) and microminometers, wherein the cross beam (5) is arranged along the left and right directions, the left and right ends of the cross beam (5) are respectively fixedly connected with a left sleeve and a right sleeve (4), an upright post (6) is vertically arranged on the cross beam (5), a clamp (8) is arranged below the upright post (6), the clamp (8) is cylindrical, the bottom end of the clamp (8) is fixedly connected with the base plate (1), a circular groove is formed in the upper end of the clamp (8), the groove and the clamp (8) are coaxially arranged, the groove and a lens to be tested are arranged in a clearance fit manner, the groove bottom surface of the groove is attached to the bottom surface of the lens to be tested, the microminometers are provided with four probes (7) which are vertically arranged, the probes (7) of the four microminometers are distributed in a square shape and fixedly arranged on the upright post (6, probes (7) of the four micrometer are all located above the groove, the axes of the clamp (8) and the distribution centers of the four micrometer probes (7) are coaxially arranged, and when the lower end of the sleeve (4) descends to be in contact with the upper end of the limiting cylinder (2), the probes (7) of the micrometer are in contact with the bottom surface of the groove.

2. The lens face test apparatus of claim 1, wherein: at least two gaps (801) are arranged on the groove wall of the groove.

3. The lens face test apparatus of claim 1, wherein: the micrometer adopts an inductance micrometer.

4. The lens face test apparatus of claim 1, wherein: the micrometer adopts a dial indicator.