CN218545582U

CN218545582U - Optical panel surface flatness detection equipment

Info

Publication number: CN218545582U
Application number: CN202222612709.XU
Authority: CN
Inventors: 丁述勇; 林轩册
Original assignee: Zhijiang College of ZJUT
Current assignee: Zhijiang College of ZJUT
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-28
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an optical panel surface roughness check out test set, including examining test table, examine test table and go up the symmetry and seted up two spouts, all slide on two spouts and be provided with the fastening slide, two rotate between the fastening slide and install ball, and the ball cooperation is connected with the mount pad, the lower fixed surface of mount pad is provided with the amesdial, examine test table and install servo motor through the shock attenuation seat, servo motor's output shaft and ball's one end fixed connection, two the common overlap joint has two diaphragms, two on the spout equal symmetrical installation has a plurality of hall sensor on the diaphragm, the supplementary determine module of fixedly connected with on the lateral wall of mount pad. Has the advantages that: the equipment adopts servo motor, ball, mount pad to drive the amesdial, can effectively avoid artifical error that detects, can measure optical panel's curvature in step in the testing process to guarantee the accuracy that the roughness detected.

Description

Optical panel surface flatness detection equipment

Technical Field

The utility model relates to an optical panel detects technical field, especially relates to an optical panel surface flatness check out test set.

Background

Optical panel refers to that both sides are all by the penetrating type component or the concentrated plane board of precision polishing, wide application has in optical instrument, when producing, optical panel needs comprehensive measuring surface roughness, thereby avoid the use error, and current amesdial detects optical panel along the axis of ordinates direction more, area of contact between the two is less, when there is the curvature in optical panel both sides, even reciprocating motion also is difficult to detect obvious difference many times for the amesdial, and still there is artificial error, for this reason, we provide an optical panel surface roughness check out test set.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when there is the curvature in optical panel both sides, even reciprocating motion is also difficult to detect out obvious difference many times for the amesdial to still there is the problem of artificial error, and an optical panel surface flatness check out test set that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides an optical panel surface flatness check out test set, is including examining test table, examine test table and go up the symmetry and seted up two spouts, all slide on two spouts and be provided with the fastening slide, two rotate between the fastening slide and install ball, and ball cooperation is connected with the mount pad, the fixed surface of mount pad is provided with the amesdial, examine test table and install servo motor through the shock attenuation seat, servo motor's output shaft and ball's one end fixed connection, two common overlap joint has two diaphragms, two on the spout equal symmetry is installed a plurality of hall sensor on the diaphragm, fixedly connected with assists the determine module on the lateral wall of mount pad.

Further, supplementary detecting element is including linking board and two linking arms, link the board and be back style of calligraphy structure, two link the equal level of arm and run through even board.

Furthermore, a plurality of positioning holes are formed in the two connecting arms at equal intervals, a plurality of through holes are symmetrically formed in the connecting plate, and fixing pins are inserted between the through holes and the positioning holes at corresponding positions.

Furthermore, the ends, far away from the connecting plate, of the two connecting arms are respectively embedded with a balancing weight, and the balancing weights are respectively rotatably provided with a fixing sleeve.

Further, two the equal interference fit of fixed cover has branch, the lower extreme of branch runs through corresponding balancing weight, links the arm in proper order and extends to the below of linking the arm, two the bottom of branch all rotates and is provided with the gyro wheel.

Furthermore, permanent magnets are fixedly arranged at the upper ends of the two fixing sleeves.

The utility model has the advantages of it is following: the equipment adopts servo motor, ball screw, mount pad to drive the amesdial, can effectively avoid the error of artifical detection, can measure optical panel's curvature in step in the testing process to guarantee the accuracy that the roughness detected.

Drawings

Fig. 1 is a top view of an optical panel surface flatness detecting apparatus according to the present invention;

fig. 2 is a schematic diagram of the positions of the link arm and the link plate in the optical panel surface flatness detecting apparatus according to the present invention;

fig. 3 is a side sectional view of a connecting arm in the optical panel surface flatness detecting apparatus according to the present invention.

In the figure: the device comprises a detection table 1, a sliding groove 2, a fastening sliding seat 3, a servo motor 4, a ball screw 5, a mounting seat 6, a connecting plate 7, a connecting arm 8, a positioning hole 9, a transverse plate 10, a Hall sensor 11, a supporting frame 12, a balancing weight 13, a fixing sleeve 14, a fixing pin 15, a permanent magnet 16 and a supporting rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an optical panel surface flatness detection apparatus includes a detection table 1, two sliding grooves 2 are symmetrically formed in the detection table 1, fastening sliding seats 3 are slidably disposed on the two sliding grooves 2, a ball screw 5 is rotatably mounted between the two fastening sliding seats 3, and the ball screw 5 is cooperatively connected with a mounting seat 6, the ball screw 5 can convert a rotary motion into a linear motion, as shown in fig. 1, a polish rod can be further disposed between the two fastening sliding seats 3, the polish rod is parallel to the ball screw 5 and supports the mounting seat 6 jointly, so as to reduce a pressure of the mounting seat 6 on the ball screw 5, a dial indicator is fixedly disposed on a lower surface of the mounting seat 6, the dial indicator converts a general linear displacement into a rotary motion of a pointer through a gear or a lever, and then a length measurement instrument for reading on a dial scale is a commonly used indicator measurement tool in the prior art, which is not shown here, the detection table 1 is provided with a servo motor 4 through a damping seat, an output shaft of the servo motor 4 is fixedly connected with one end of the ball screw 5, two sliding grooves 2 are jointly lapped with two transverse plates 10, a plurality of transverse sensors 11 are symmetrically mounted on the two transverse walls of the two transverse plates 10, and a hall auxiliary detection assembly is fixedly connected to the mounting seat 6.

Supplementary detection assembly includes even board 7 and two even arms 8, and even board 7 is the type structure of returning the words, and two even levels of even arm 8 run through even board 7.

A plurality of locating holes 9 are arranged on the two connecting arms 8 at equal intervals, a plurality of through holes are symmetrically arranged on the connecting plate 7, fixing pins 15 are inserted between the through holes and the locating holes 9 corresponding to the positions of the through holes, the connecting arms 8 and the connecting plate 7 can be fixed by the fixing pins 15, the connecting arms 8 are made of non-ferromagnetic metal sheets and have certain elasticity, when the fixing positions of the connecting arms 8 deviate from the center, the supports for the end parts of the connecting arms 8 are removed, and the connecting arms 8 can be naturally bent under the action of gravity.

Balancing weights 13 are embedded in the ends, far away from the connecting plate 7, of the two connecting arms 8, and fixing sleeves 14 are rotatably arranged on the two balancing weights 13.

Two equal interference fit of fixed cover 14 have branch 17, the lower extreme of branch 17 runs through corresponding balancing weight 13 in proper order, link arm 8 and extend to the below of linking arm 8, branch 17 and balancing weight 13, link and have the clearance between the arm 8, branch 17 inserts fixed cover 14 from bottom to top in, can change the branch 17 of different length according to equipment height, the bottom of two branch 17 all rotates and is provided with the gyro wheel, reduce frictional force on the one hand, on the other hand can avoid appearing the scraping between branch 17 edge and the optical panel.

Permanent magnets 16 are fixedly arranged at the upper ends of the two fixing sleeves 14.

When the surface flatness of the optical panel is detected, the optical panel is placed on the supporting frame 12, the dial indicator is fixed below the mounting seat 6, a measuring rod at the bottom of the dial indicator is in contact with the surface of the optical panel, the measuring rod cannot be separated from the optical panel when the dial indicator moves, then the positions of the fastening sliding seat 3 and the servo motor 4 are adjusted, then the positions of the two connecting arms 8 are adjusted through the fixing pins 15, the two supporting rods 17 are respectively close to the two sides of the optical panel, rollers at the bottom of the supporting rods 17 are in rolling contact with the optical panel, and finally the position of the transverse plate 10 is adjusted, so that the position of the hall sensor 11 corresponds to the position of the fixing sleeve 14;

the servo motor 4 is started, the rotary motion is converted into linear motion through the ball screw 5, the mounting seat 6 is driven to move from one end to the other end at a constant speed, the dial indicator can measure the flatness of the optical panel, meanwhile, the supporting rod 17 moves synchronously, when the permanent magnet 16 passes below the Hall sensor 11, the corresponding Hall sensor 11 can generate Hall voltage according to the magnetoelectric effect, the distance between the Hall sensor 11 and the permanent magnet 16 directly influences the magnitude of the Hall voltage, when the potential difference exceeds a threshold value, a specific electric signal is output outwards, therefore, whether the height of the permanent magnet 16 changes or not can be judged by comparing the electric signals output by the Hall sensors 11, if so, the surface of the optical panel has curvature, and the flatness of the surface of the optical panel is detected in an auxiliary mode;

according to the same mode, all areas of the optical panel can be detected, so that the effect of comprehensive detection is achieved, the Hall sensor 11 is an existing magnetic field sensor and is widely applied, the working principle, the connecting circuit and the installation mode of the Hall sensor are not repeated, and the Hall sensor 11 in the device only detects a magnetic field perpendicular to the surface of the package and does not detect a magnetic field in the horizontal direction of the package, so that the interference of the permanent magnet 16 on the adjacent Hall sensor 11 during moving is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an optical panel surface flatness check out test set, is including examining test table (1), its characterized in that, examine test table (1) and go up the symmetry and seted up two spout (2), all slide on two spout (2) and be provided with fastening slide (3), two rotate between fastening slide (3) and install ball (5), and ball (5) cooperation is connected with mount pad (6), the lower fixed surface of mount pad (6) is provided with the amesdial, examine test table (1) and install servo motor (4) through the shock attenuation seat, the output shaft of servo motor (4) and the one end fixed connection of ball (5), two the common overlap joint has two diaphragm (10) on spout (2), two equal symmetry is installed a plurality of hall sensor (11) on diaphragm (10), fixedly connected with auxiliary detection subassembly on the lateral wall of mount pad (6).

2. The optical panel surface flatness detecting apparatus according to claim 1, wherein said auxiliary detecting component includes a connecting plate (7) and two connecting arms (8), said connecting plate (7) is a square-shaped structure, and both said connecting arms (8) horizontally penetrate through the connecting plate (7).

3. The apparatus according to claim 2, wherein a plurality of positioning holes (9) are formed on the two connecting arms (8) at equal intervals, a plurality of through holes are symmetrically formed on the connecting plate (7), and fixing pins (15) are commonly inserted between the through holes and the positioning holes (9).

4. The apparatus for inspecting flatness of optical panel surface according to claim 2, wherein a weight block (13) is embedded at one end of each of the two connecting arms (8) far from the connecting plate (7), and a fixing sleeve (14) is rotatably disposed on each of the two weight blocks (13).

5. The apparatus for detecting the flatness of an optical panel surface according to claim 4, wherein the supporting rods (17) are interference fitted to the two fixing sleeves (14), the lower ends of the supporting rods (17) sequentially penetrate through the corresponding weight blocks (13) and the connecting arms (8) and extend to the lower portions of the connecting arms (8), and rollers are rotatably disposed at the bottoms of the two supporting rods (17).

6. The optical panel surface flatness detecting apparatus according to claim 4, wherein permanent magnets (16) are fixedly provided at the upper ends of both said fixing covers (14).