Intelligent detection device for optical element polishing

Abstract

The utility model belongs to the technical field of detection devices, and discloses an intelligent detection device for optical element polishing, the intelligent detection device comprises a rack, a laser displacement sensor, a substrate, an opening and a rotating disc, a plurality of sliding grooves are circumferentially formed in the rotating disc, sliding blocks are slidably arranged in the sliding grooves, a sliding plate is arranged at the tops of the sliding blocks, and two stand columns are arranged on the sliding plate at intervals; a driving assembly is arranged at the bottom of the rotating disc, a plurality of sliding holes are circumferentially formed in the middle of the rotating disc at intervals, lifting rods are slidably arranged in the sliding holes, and a lifting assembly is arranged at the bottom of the rotating disc. An optical element is placed in the middle of the rotating disc, the lifting rod is driven by the lifting assembly to ascend, the optical element is jacked up, then the sliding blocks are driven by the driving assembly to synchronously move towards the middle of the rotating disc, the sliding plates and the stand columns are driven to synchronously slide, and the optical element is clamped. And after being clamped, the optical element is positioned in the middle of the rotating disc and is in a horizontal state, so that the accuracy of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, especially a kind of intelligent detection device for optical element polishing. BACKGROUND

[0002] At present, with the rapid development of optical technology, optical element is widely applied in social production, national defense construction, space optics and the like. Optical element is the most critical basic part in optical system, and is the main guarantee of the imaging quality of optical system. The machining quality of optical element has decisive role on its performance guarantee. In order to guarantee the machining quality of element, it is necessary to detect the surface roughness and surface flatness in its machining process.

[0003] In the Chinese utility model patent with publication number CN215572759U, a high-precision optical element polishing surface quality detection device is disclosed, which comprises a bottom plate, a cylindrical movable plate, a first screw rod, a clamping block, a second screw rod, a rotating carrier plate is arranged at the lower end of the inner surface of the cylindrical movable plate, two first screw rods are arranged respectively, a first screw rod slot is formed in the left surface of the cylindrical movable plate, a first screw rod slot is formed in the right surface of the cylindrical movable plate, two first screw rods are respectively located in two first screw rod slots, a first connecting bearing is arranged on the inner surface of the two first screw rods, a clamping block is arranged on the inner surface of each first connecting bearing, a second screw rod slot is formed on the upper surface of the two clamping blocks, and two second screw rods are respectively located in two second screw rod slots. Rotating the first threaded rod drives the clamping block to move and clamps the optical element, and then rotating the two second threaded rods fixes the edge of the optical element.

[0004] For the related technology in the above, the inventors believe that the following defects exist: when the above device fixes the optical element, two first threaded rods and second threaded rods need to be rotated, and the optical element is clamped and fixed on both sides by two clamping blocks, which is not very convenient to operate, and it is difficult to ensure that the optical element is fixed at the center position of the cylindrical movable plate, resulting in deviation of the detection result. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides an intelligent detection device for optical element polishing.

[0006] The technical scheme of the utility model discloses through the following technical scheme realizes the above-mentioned technical purpose: a kind of intelligent detection device for optical element polishing, including rack and the laser displacement sensor being set at the top of rack, laser displacement sensor below is provided with substrate on the rack, opening is opened on the substrate, rotating disc is rotatably arranged in the opening, a plurality of sliding slots are opened in the rotating disc, sliding block is slidably arranged in the sliding slot, sliding plate is arranged on the sliding block, two vertical columns are spaced apart and arranged on the sliding plate, the rotating disc bottom is provided with drive component that drive a plurality of sliding blocks synchronous sliding to rotating disc middle part or to the direction away from rotating disc middle part, rotating disc middle part is spaced apart and provided with a plurality of sliding holes in circumference, lifting rod is slidably arranged in the sliding hole, the rotating disc bottom is provided with lifting assembly that drive a plurality of lifting rods synchronous sliding.

[0007] By adopting the above technical scheme, the laser displacement sensor, rotating disc, column, drive assembly and lifting assembly are arranged, the optical element is placed in the middle part of the rotating disc, the drive assembly drives a plurality of sliding blocks to slide synchronously to the middle part of the rotating disc, drives a plurality of sliding plates and columns to slide synchronously, and the optical element is clamped. When the optical element with a convex shape at the bottom is placed on the rotating disc, the bottom of the optical element has only one contact point with the rotating disc, and it is difficult to ensure that the optical element is accurately located at the center position of the rotating disc. When the column pushes the optical element, the optical element is easily inclined. Therefore, before the optical element is clamped, the lifting rod is driven to rise by the lifting assembly, the optical element is lifted, and a plurality of circumferential array contact points are formed at the bottom of the optical element. In this way, the optical element can maintain a horizontal state during clamping by the column. After the optical element is clamped, it is located in the middle part of the rotating disc and in a horizontal state, ensuring the accuracy of the detection result.

[0008] Further, a ball groove is formed in the top of the lifting rod, and a plurality of balls are movably arranged in the ball groove.

[0009] By adopting the above technical scheme, the ball groove and the balls are arranged, the balls contact the optical element, the movement of the optical element is facilitated, and the lifting rod top is prevented from scratching the optical element.

[0010] Further, a rotating tube is rotatably arranged on the column, and a rubber tube is fixedly arranged outside the rotating tube.

[0011] By adopting the above technical scheme, the rotating tube and the rubber tube are arranged, the rotating tube can rotate, the position of the optical element is adjusted, the rubber tube contacts the edge of the optical element, and the clamping effect of the optical element is better.

[0012] Further, a rubber sheet is arranged in the middle part of the top surface of the rotating disc, and a through hole is formed in the rubber sheet corresponding to the sliding hole.

[0013] By adopting the above technical scheme, the rubber sheet is arranged in the middle of the top surface of the rotating disc, so that the optical element is prevented from being scratched.

[0014] Further, the driving assembly comprises a mounting frame arranged at the bottom of the rotating disc, a driving motor vertically arranged on the mounting frame, a first bevel gear arranged on the output shaft of the driving motor, mounting blocks arranged at both sides of the chute at the bottom of the rotating disc, a first threaded rod rotatably arranged between the mounting blocks at both sides of the chute, a sliding block screw-connected with the first threaded rod through a threaded hole at the lower part of the sliding block, and the first threaded rod passes through the mounting block at one end near the middle of the rotating disc and is provided with a second bevel gear, and the first bevel gear is engaged with the second bevel gears.

[0015] By adopting the above technical scheme, the mounting frame, the driving motor, the first bevel gear and the second bevel gear are arranged, the first bevel gear is driven to rotate by the driving motor, the first threaded rod and the second driving gears are driven to rotate due to the engagement between the first bevel gear and the second bevel gears, and the sliding block is driven to slide by the rotation of the first threaded rod.

[0016] Further, the lifting assembly comprises a lifting plate, the lifting rods are connected with the lifting plate at the bottom, four connecting rods are arranged at the bottom of the mounting frame in a rectangular array, a fixed plate is arranged at the bottom of the four connecting rods, a second threaded rod is rotatably arranged between the fixed plate and the mounting frame, the lifting plate is screw-connected with the second threaded rod through a threaded hole, a rotating motor is arranged at the bottom of the fixed plate, and the output shaft of the rotating motor passes through the fixed plate upwardly and is connected with the lower end of the second threaded rod.

[0017] By adopting the above technical scheme, the lifting plate, the fixed plate, the second threaded rod and the rotating motor are arranged, the second threaded rod is driven to rotate by the rotating motor, the lifting plate is driven to lift when the second threaded rod rotates due to the screw connection between the lifting plate and the second threaded rod through the threaded hole, and the lifting columns are driven to lift.

[0018] Further, a gear ring is concentrically arranged at the bottom of the rotating disc, a fixed seat is arranged at the bottom of the base plate, a rotating motor is vertically arranged on the fixed seat, a driving gear is arranged on the output shaft of the rotating motor upwardly, and the driving gear is engaged with the gear ring.

[0019] By adopting the above technical scheme, the gear ring, the rotating motor and the driving gear are arranged, the driving gear is driven to rotate by the rotating motor, and the gear ring and the rotating disc are driven to rotate.

[0020] In summary, the utility model has the following beneficial effects: setting up laser displacement sensor, rotating disc, stand, drive assembly, lifting assembly, placing optical element in rotating disc middle part, through drive assembly drive a plurality of sliding blocks to rotating disc middle part, drive a plurality of sliding plate, stand synchronous sliding, clamp optical element. When the optical element of bottom is convex shape is placed on rotating disc, optical element bottom and rotating disc only have a contact point, and place when difficult to ensure that optical element is accurately located in rotating disc center position. Make when stand promote optical element, optical element is easy to tilt. Therefore, before optical element is clamped, through lifting assembly drive lifting rod to rise, lift optical element, ensure that optical element bottom forms a plurality of circumferential array contact point. In this way, in the process of stand clamping, optical element can keep horizontal state. After optical element is clamped, it is located in rotating disc middle part and is in horizontal state, guarantee the accuracy of detection result. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the utility model embodiment;

[0022] Figure 2 It is the structure schematic diagram of the utility model embodiment base plate, rotating disc;

[0023] Figure 3 It is the structure schematic diagram of the utility model embodiment rotating disc, gear ring;

[0024] Figure 4 It is the structure schematic diagram of the utility model embodiment rotating disc, drive assembly, lifting assembly;

[0025] Figure 5 It is the structure schematic diagram of the utility model embodiment drive assembly;

[0026] Figure 6 It is the structure schematic diagram of the utility model embodiment lifting assembly;

[0027] Figure 7 It is the structure schematic diagram of the utility model embodiment lifting rod, ball.

[0028] In the figure: 10, rack; 11, laser displacement sensor; 20, base plate; 21, opening; 22, fixing seat; 23, rotary motor; 24, driving gear; 30, rotating disc; 31, sliding groove; 32, sliding block; 33, sliding plate; 34, stand; 341, rotating tube; 342, rubber tube; 35, sliding hole; 36, lifting rod; 361, ball groove; 362, ball; 37, rubber sheet; 38, through hole; 39, gear ring; 40, driving assembly; 41, mounting frame; 42, driving motor; 43, first bevel gear; 44, mounting block; 45, first threaded rod; 46, second bevel gear; 50, lifting assembly; 51, lifting plate; 52, connecting rod; 53, fixing plate; 54, second threaded rod; 55, rotating motor. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] As Figures 1-7As shown, the embodiment of the application discloses a kind of intelligent detection device for optical element polishing, including rack 10, laser displacement sensor 11, rotating disc 30, drive assembly 40, lifting assembly 50, laser displacement sensor 11 is set in rack 10 top, laser displacement sensor 11 below is provided with base plate 20 on rack 10, opening 21 is opened in base plate 20, rotating disc 30 is rotationally arranged in opening 21, a plurality of sliding grooves 31 are opened in rotating disc 30, sliding block 32 is slidably arranged in sliding groove 31, sliding plate 33 is arranged on the top of sliding block 32, two vertical columns 34 are arranged at intervals on sliding plate 33, the drive assembly 40 for driving a plurality of sliding blocks 32 to be synchronously slid towards the middle part of rotating disc 30 or to the direction away from the middle part of rotating disc 30 is arranged at the bottom of rotating disc 30, optical element is placed in the middle part of rotating disc 30, a plurality of sliding blocks 32 are driven by drive assembly 40 to be synchronously slid towards the middle part of rotating disc 30, drive a plurality of sliding plates 33, vertical column 34 synchronous sliding, clamping optical element.When the bottom of the optical element with convex shape is placed on rotating disc 30, the bottom of the optical element only has one contact point with rotating disc 30, and it is difficult to ensure that the optical element is accurately located at the center position of rotating disc 30 when placing. When vertical column 34 pushes optical element, optical element is easy to tilt. Therefore, a plurality of sliding holes 35 are circumferentially spaced apart in the middle part of rotating disc 30, lifting rod 36 is slidably arranged in sliding hole 35, lifting assembly 50 for driving a plurality of lifting rods 36 to be synchronously slid is arranged at the bottom of rotating disc 30, before optical element is clamped, lifting rod 36 is driven by lifting assembly 50 to rise, and optical element is lifted up, to ensure that the bottom of the optical element forms a plurality of circumferentially arrayed contact points. In this way, during the clamping process of vertical column 34, the optical element can maintain a horizontal state. After optical element is clamped, it is located in the middle part of rotating disc 30 and in a horizontal state, to ensure the accuracy of detection result.

[0031] Laser displacement sensor 11 is a kind of high-precision, non-contact measuring tool, which can accurately measure the position, displacement and other changes of measured object, including thickness, vibration, distance, diameter and other precise geometric quantities‌. When optical element polishing is good, its surface often has smaller surface roughness and higher gloss, which makes laser displacement sensor 11 obtain more stable and more accurate readings when measuring. On the contrary, when optical element polishing is not up to standard, its surface is rough, which causes scattering of laser beam, thereby affecting the reading of measurement. According to the different readings, the polishing degree of optical element is detected.

[0032] Specifically, the top of the lifting rod 36 is provided with a ball groove 361, and a plurality of balls 362 are movably arranged in the ball groove 361. The balls 362 are in contact with the optical element, facilitating the movement of the optical element and avoiding scratching the optical element by the top of the lifting rod 36. The rotating pipe 341 is rotatably arranged on the column 34, and the rubber pipe 342 is fixedly arranged outside the rotating pipe 341. The rotating pipe 341 can rotate to facilitate the movement and adjustment of the position of the optical element, and the rubber pipe 342 is in contact with the edge of the optical element, so that the clamping effect on the optical element is better. The rubber sheet 37 is arranged on the top surface of the rotating disc 30, and the through hole 38 is arranged on the rubber sheet 37 corresponding to the sliding hole 35. When the optical element is placed, it is placed on the rubber sheet 37 to avoid scratching the optical element.

[0033] The driving assembly 40 comprises a mounting frame 41 arranged at the bottom of the rotating disc 30, and a driving motor 42 is vertically arranged on the mounting frame 41. The output shaft of the driving motor 42 is upwardly provided with a first bevel gear 43, and the driving motor 42 drives the first bevel gear 43 to rotate. The mounting blocks 44 are arranged on both sides of the sliding groove 31 at the bottom of the rotating disc 30, and the first threaded rod 45 is rotatably arranged between the mounting blocks 44 on both sides of the sliding groove 31. The lower part of the sliding block 32 is screw-connected with the first threaded rod 45 through the threaded hole, so that when the first threaded rod 45 rotates, the sliding block 32 can be driven to slide. The first threaded rod 45 is provided with a second bevel gear 46 at one end near the middle of the rotating disc 30 and penetrates through the mounting block 44. The first bevel gear 43 is engaged with a plurality of second bevel gears 46, and when the first bevel gear 43 rotates, the plurality of second driving gears 24 and the first threaded rod 45 rotate.

[0034] The lifting assembly 50 comprises a lifting plate 51, and the bottoms of the plurality of lifting rods 36 are connected with the lifting plate 51, so that the lifting plate 51 and the plurality of lifting rods 36 are synchronously lifted. The bottom of the mounting frame 41 is provided with four connecting rods 52 arranged in a rectangular array, and the bottoms of the four connecting rods 52 are commonly provided with a fixed plate 53. The second threaded rod 54 is vertically rotatably arranged between the fixed plate 53 and the mounting frame 41, and the lifting plate 51 is screw-connected with the second threaded rod 54 through the threaded hole. When the second threaded rod 54 rotates, the lifting plate 51 and the lifting rod 36 are driven to lift. The bottom of the fixed plate 53 is provided with a rotating motor 55, and the output shaft of the rotating motor 55 penetrates through the fixed plate 53 upwardly and is connected with the lower end of the second threaded rod 54. The second threaded rod 54 is driven to rotate by the rotating motor 55.

[0035] The bottom of the rotating disc 30 is provided with a gear ring 39 concentrically, the bottom of the base plate 20 is provided with a fixing seat 22, the fixing seat 22 is vertically provided with a rotating motor 23, the output shaft of the rotating motor 23 is upwardly provided with a driving gear 24, the driving gear 24 is engaged with the gear ring 39, the driving gear 24 is driven to rotate by the rotating motor 23, and the gear ring 39 and the rotating disc 30 are driven to rotate. The bottom of the base plate 20 is provided with a first mounting rod, the end of the first mounting rod is provided with a first fixing ring, the bottom of the fixing plate 53 is provided with a second mounting rod, the end of the second mounting rod is provided with a second fixing ring, the first fixing ring and the second fixing ring are arranged concentrically with the rotating disc 30, and the first fixing ring and the second fixing ring are provided with an electric slip ring, the upper end of the electric slip ring is connected with the second fixing ring, the lower end of the electric slip ring is connected with the first fixing ring, the electric slip ring is an electrical component responsible for connecting and conveying energy and signals for the rotating body, and the electric slip ring ensures that the driving motor 42 and the rotating motor 55 can be stably controlled.

[0036] The use principle of the intelligent detection device for polishing the optical element in the embodiment is that: the optical element is placed on the rubber sheet 37 in the middle of the rotating disc 30, the rotating motor 55 is started to drive the second threaded rod 54 to rotate, the lifting plate 51, the lifting column and the ball 362 are lifted, and the optical element is lifted. Then, the driving motor 42 is started to drive the first bevel gear 43 to rotate, the second driving gear 24 and the first threaded rod 45 are rotated, the sliding plate 33, the column 34 and the rubber pipe 342 are synchronously slid to the middle of the rotating disc 30, and the optical element is clamped. Then, the laser displacement sensor 11 and the rotating motor 23 are started, the rotating motor 23 drives the driving gear 24 to rotate, and the gear ring 39, the rotating disc 30 and the optical element are rotated. The laser displacement sensor 11 is started to detect.

[0037] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any technical solution falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. An intelligent detection device for optical element polishing, comprising a rack (10) and a laser displacement sensor (11) arranged on the top of the rack (10), characterized in that: The rack (10) is provided with a base plate (20) below the laser displacement sensor (11), the base plate (20) is provided with an opening (21), the opening (21) is rotatably provided with a rotating disc (30), the rotating disc (30) is provided with a plurality of sliding grooves (31) in the circumferential direction, the sliding grooves (31) are slidably provided with sliding blocks (32), the top of the sliding block (32) is provided with a sliding plate (33), the sliding plate (33) is provided with two vertical columns (34) at intervals, the bottom of the rotating disc (30) is provided with a drive assembly (40) for driving a plurality of sliding blocks (32) to slide synchronously to the middle of the rotating disc (30) or away from the middle of the rotating disc (30), the middle of the rotating disc (30) is provided with a plurality of sliding holes (35) at intervals in the circumferential direction, the sliding holes (35) are slidably provided with lifting rods (36), and the bottom of the rotating disc (30) is provided with a lifting assembly (50) for driving a plurality of lifting rods (36) to slide synchronously.

2. The intelligent detection device for polishing optical elements according to claim 1, characterized in that: The top of the lifting rod (36) is provided with a ball groove (361), and a plurality of balls (362) are movably arranged in the ball groove (361).

3. The intelligent detection device for polishing optical elements according to claim 1, characterized in that: The vertical column (34) is rotatably sleeved with a rotating pipe (341), and the rotating pipe (341) is fixedly sleeved with a rubber pipe (342) outside.

4. The intelligent detection device for polishing optical elements according to claim 1, characterized in that: The middle of the top surface of the rotating disc (30) is provided with a rubber sheet (37), and the rubber sheet (37) is provided with a through hole (38) corresponding to the sliding hole (35).

5. The intelligent detection device for polishing optical elements according to claim 1, characterized in that: The drive assembly (40) comprises a mounting frame (41) arranged at the bottom of the rotating disc (30), a drive motor (42) vertically arranged on the mounting frame (41), a first bevel gear (43) arranged on the output shaft of the drive motor (42) and upwardly, mounting blocks (44) arranged at both sides of the sliding groove (31) at the bottom of the rotating disc (30), a first threaded rod (45) rotatably arranged between the mounting blocks (44) at both sides of the sliding groove (31), the lower part of the sliding block (32) is screw-connected with the first threaded rod (45) through a threaded hole, one end of the first threaded rod (45) near the middle of the rotating disc (30) penetrates through the mounting block (44) and is provided with a second bevel gear (46), and the first bevel gear (43) is engaged with a plurality of second bevel gears (46).

6. The intelligent detection device for polishing optical elements according to claim 5, characterized in that: The lifting assembly (50) comprises a lifting plate (51), the bottom of each of the lifting rods (36) is connected with the lifting plate (51), the bottom of the mounting frame (41) is provided with four connecting rods (52), the four connecting rods (52) are arranged in a rectangular array, the bottom of the four connecting rods (52) is commonly provided with a fixed plate (53), a second threaded rod (54) is vertically rotatably arranged between the fixed plate (53) and the mounting frame (41), the lifting plate (51) is screw-connected with the second threaded rod (54) through a threaded hole, and the bottom of the fixed plate (53) is provided with a rotating motor (55), the output shaft of the rotating motor (55) penetrates through the fixed plate (53) upwardly and is connected with the lower end of the second threaded rod (54).

7. The intelligent detection device for polishing optical elements according to claim 1, characterized in that: The bottom of the rotating disc (30) is provided with a gear ring (39) concentrically, the bottom of the base plate (20) is provided with a fixing seat (22), a rotating motor (23) is vertically arranged on the fixing seat (22), the output shaft of the rotating motor (23) is upwardly provided with a driving gear (24), and the driving gear (24) is engaged with the gear ring (39).

Images