Optical automatic detection device for optical sheet

Abstract

The utility model belongs to the technical field of optical lens detection, and particularly relates to an optical automatic detection device for optical sheets, which comprises a fixing frame, a threaded rod rotatably mounted in the top side of the fixing frame in a penetrating manner, a mounting frame rotatably mounted on the bottom side of the threaded rod, and a cleaning roller fixedly mounted between two sides of the mounting frame. Sliding grooves are formed in the two sides of the fixing frame, one side of each sliding block is installed on one side of the installation frame, and an unwinding roller and a winding roller are rotationally installed in the fixing plate. A dust-free cloth coiled material assembled on the outer side of the unwinding roller begins to be unwound, one end of the dust-free cloth coiled material passes through the bottom side of the cleaning roller and is finally wound by the winding roller, a handle is rotated according to the thickness of the optical lens, a threaded rod is driven to rotate, a sliding block slides in a sliding groove, and therefore a mounting frame drives the cleaning roller to move up and down; the cleaning roller and the dust-free cloth on the bottom side of the cleaning roller make contact with the surface of the optical lens, pollutants such as dust and fibers on the surface of the optical lens are wiped off, cleanliness of the surface of the optical lens is guaranteed, and the detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens detection technical field, concretely is a kind of optical automatic detection device of optical sheet. BACKGROUND

[0002] Optical sheet is a kind of sheet material with specific optical performance, and optical lens is one of optical sheet, which is injection molded in the production process of optical lens, and bubbles may be generated, resulting in changes in the propagation path of light. Therefore, a detection device is needed.

[0003] A kind of optical lens detection device is disclosed in a Chinese patent with authorization announcement number CN117871402A, including machine body, the middle of machine body top is fixedly connected with sliding slot, working cavity is opened in machine body, pre-clamping mechanism is arranged in the top left side in working cavity, pre-clamping mechanism top is provided with anti-falling mechanism, mobile mechanism is arranged in the top middle of working cavity;When pre-clamping work is needed, optical lens is placed on bottom plate, then motor one is opened, motor one drives clamping half ring to move and clamps the top and bottom of optical lens when working, then by using fixed bolt, optical lens can be clamped by tabletting, and pre-clamping work can be carried out on optical lens, so that optical lens can be directly detected during detection.

[0004] However, the above detection device still has some problems. In actual application, after cutting, dust and fiber contaminants may remain on the surface of optical lens, which may seriously interfere with the detection results and reduce the detection accuracy. Therefore, a kind of optical automatic detection device of optical sheet is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the shortcomings of the prior art and solve the problems raised in the background art, the utility model provides a kind of optical automatic detection device of optical sheet.

[0006] The utility model solves its technical problem adopts the technical scheme that the utility model discloses an optical automatic detection device of optical sheet, including support frame, one end of the top side of support frame is installed with the fixed frame, the inside of the top side of fixed frame is installed with the screw rod that rotates and penetrates, the top side of screw rod is installed with handle, the bottom side of screw rod is installed with the mounting bracket that rotates, the both sides of mounting bracket are fixedly installed with the cleaning roller, the both sides of fixed frame are all set up the sliding slot in the inside, the inside of sliding slot is installed with the sliding block that slides, the one side of sliding block is installed in the one side of mounting bracket respectively, the both sides of the top side of support frame located fixed frame are all installed with the fixed plate, the inside of fixed plate is rotatably installed with unwinding roller and take-up roller respectively, the outside of unwinding roller is assembled with the dustless cloth roll material, the one end of dustless cloth is from unwinding roller and is released, through the bottom side of cleaning roller, finally take-up in the outside of take-up roller, it is convenient for the surface of optical lens to wipe operation, effectively removes dust, fiber and other pollutants, improves detection effect.

[0007] Preferably, one end of the take-up roller and the unwinding roller is respectively installed with a driving wheel and a driven wheel, the driving wheel and the driven wheel are connected through a belt, one side of one of the fixed plates is installed with a support seat, the inside of the support seat is installed with a driving motor, one end of the take-up roller is connected with the output end of the driving motor, realizing the synchronous rotation of the unwinding roller and the take-up roller, facilitating the continuous unwinding and winding operation of the dustless cloth.

[0008] Preferably, the both ends of the support frame are rotatably installed with rotating shafts, the outside of the rotating shafts is installed with rotating rollers, the outside of the rotating rollers is cooperatively installed with a conveying belt, one side of the support frame is installed with a conveying motor, one end of the rotating shaft is connected with the output end of the conveying motor, the both sides of the support frame are installed with support plates, the top end of the conveying belt is in contact with the bottom side of the support plates, realizing the conveying of the optical lens, ensuring the continuity and efficiency of the detection operation.

[0009] Preferably, the top side of the support frame is installed with an arc-shaped frame, the inside of the arc-shaped frame is provided with an arc-shaped slot, the inside of the arc-shaped slot is slidably installed with a sliding block, the bottom side of the sliding block is assembled with a detection camera, realizing the detection of bubbles in the appearance defects of the optical lens.

[0010] Preferably, a plurality of limiting holes are equidistantly provided in the arc-shaped slot of the arc-shaped frame, a through hole is provided in the inside of the sliding block, and a limiting bolt is installed in one of the limiting holes and penetrates the through hole, realizing the accurate adjustment of the angle of the detection camera, reducing the interference of shadows or reflections, and improving the detection accuracy.

[0011] Preferably, one side of the support frame is installed with a control panel, the control panel is used for the operation control of the electrical elements in the device, realizing the centralized control of the electrical elements in the device.

[0012] The utility model discloses the beneficial effect lies in:

[0013] 1. The utility model discloses the dustless cloth roll material beginning to be unwound that the outside assembly of unwinding roller, and the dustless cloth that the one end of putting out passes through the bottom side of cleaning roller finally is rolled up by the take-up roller, according to the thickness of optical lens, rotates handle, drives screw rod rotation, makes the sliding block slide in the sliding slot, thereby making the mounting frame drive cleaning roller moves up and down, make cleaning roller and the dustless cloth of bottom side contact with the surface of optical lens, when optical lens passes the cleaning roller below on the conveyer belt, wipe off the dust, fiber and other pollutants on the surface of optical lens, guarantee the cleanness of optical lens surface, improve the detection precision;

[0014] 2. The utility model discloses according to the detection demand, pulls out the limit bolt from the current limit hole, then moves the sliding block and slide in the arc -shaped groove, makes detection camera reach the angle position of being appropriate, inserts the limit bolt in the limit hole of being corresponding again, realizes the accurate fixing of detection camera angle, reduces the interference of shadow or reflection, ensures that can clearly, accurately photograph the image of optical lens. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is medium axle side view structure schematic diagram in the utility model;

[0017] Figure 2 It is detection device main body structure schematic diagram;

[0018] Figure 3 It is detection device local structure schematic diagram;

[0019] Figure 4 It is wiping assembly structure schematic diagram;

[0020] Figure 5 It is angle adjusting assembly structure schematic diagram.

[0021] In the figure: 1, support frame; 2, fixed frame; 3, threaded rod; 4, handle; 5, mounting frame; 6, cleaning roller; 7, sliding groove; 8, sliding block; 9, fixed plate; 10, unwinding roller; 11, winding roller; 12, driving wheel; 13, driven wheel; 14, belt; 15, support seat; 16, driving motor; 17, rotating shaft; 18, rotating roller; 19, conveying belt; 20, conveying motor; 21, support plate; 22, arc-shaped frame; 23, arc-shaped groove; 24, sliding block; 25, detection camera; 26, limiting hole; 27, limiting bolt; 28, dust-free cloth; 29, control panel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, an optical automatic detection device for optical sheet, including support frame 1, the top side of the support frame 1 one end is installed with fixed frame 2, the top side of the fixed frame 2 is internally penetrated and is rotatably installed with threaded rod 3, the top side of the threaded rod 3 is installed with handle 4, the bottom side of the threaded rod 3 is rotatably installed with mounting frame 5, the both sides of the mounting frame 5 are fixedly installed with cleaning roller 6, the both sides of the fixed frame 2 are internally provided with sliding groove 7, the inside of the sliding groove 7 is slidably installed with sliding block 8, one side of the sliding block 8 is installed at one side of mounting frame 5 respectively, the top side of the support frame 1 is installed with fixed plate 9 at both sides of the fixed frame 2, the inside of the fixed plate 9 is rotatably installed with unwinding roller 10 and winding roller 11 respectively, the outside of the unwinding roller 10 is assembled with dust-free cloth 28 roll material, one end of the dust-free cloth 28 is discharged from unwinding roller 10, passes through the bottom side of cleaning roller 6, and is finally wound on the outside of winding roller 11;

[0024] One end of the winding roller 11 and the unwinding roller 10 is respectively provided with a driving wheel 12 and a driven wheel 13, and the driving wheel 12 and the driven wheel 13 are connected through a belt 14, one side of a fixed plate 9 is provided with a supporting seat 15, the inside of the supporting seat 15 is provided with a driving motor 16, one end of the winding roller 11 is connected with the output end of the driving motor 16, and one side of the supporting frame 1 is provided with a control panel 29; in actual application, after the optical lens is cut, dust and fiber contaminants remain on the surface of the optical lens, which seriously interferes with the detection result and reduces the detection precision, the driving motor 16 is started, the output end drives the winding roller 11 to rotate, the driving wheel 12 drives the driven wheel 13 to rotate through the belt 14, so that the unwinding roller 10 and the winding roller 11 rotate synchronously, the dust-free cloth 28 on the outer side of the unwinding roller 10 starts to unwind, and the unwound dust-free cloth 28 passes through the bottom side of the cleaning roller 6 and is finally wound by the winding roller 11, according to the thickness of the optical lens, the handle 4 is rotated to drive the threaded rod 3 to rotate, so that the sliding block 8 slides in the sliding groove 7, so that the mounting frame 5 drives the cleaning roller 6 to move up and down, so that the cleaning roller 6 and the dust-free cloth 28 on the bottom side thereof contact the surface of the optical lens, when the optical lens passes below the cleaning roller 6 on the conveying belt 19, the dust, fiber and other contaminants on the surface of the optical lens are wiped off, the cleaning of the surface of the optical lens is ensured, and the detection precision is improved,

[0025] Please refer to Figures 1-5 As shown in the figure, the rotating shaft 17 is rotatably installed between the two sides of the two ends of the supporting frame 1, the rotating roller 18 is installed on the outside of the rotating shaft 17, the conveying belt 19 is installed on the outside of the rotating roller 18, the conveying motor 20 is installed on one side of the supporting frame 1, one end of the rotating shaft 17 is connected with the output end of the conveying motor 20, and the supporting plate 21 is installed between the two sides of the supporting frame 1 and contacts the top end of the conveying belt 19;

[0026] The arc-shaped frame 22 is mounted in the middle end of the top side of the support frame 1, the inside of the arc-shaped frame 22 is provided with an arc-shaped groove 23, the sliding block 24 is slidably mounted in the arc-shaped groove 23, the bottom side of the sliding block 24 is equipped with a detection camera 25, a plurality of limiting holes 26 are equidistantly provided in the arc-shaped groove 23 of the arc-shaped frame 22, a through hole is provided in the sliding block 24, and the inside of one of the limiting holes 26 penetrates the through hole and is provided with a limiting bolt 27; in work, the optical lens is one of optical sheet materials, which is injection molded in the production process of the optical lens, and bubbles may be generated, so that the propagation path of light changes, therefore, a detection device needs to be used, according to the detection requirement, the limiting bolt 27 is pulled out from the current limiting hole 26, then the sliding block 24 is moved to slide in the arc-shaped groove 23, so that the detection camera 25 reaches a suitable angle position, then the limiting bolt 27 is inserted into the corresponding limiting hole 26, the angle of the detection camera 25 is accurately fixed, the interference of shadow or reflection is reduced, and the image of the optical lens can be clearly and accurately shot;

[0027] The conveying motor 20 is started, the output end drives the rotating shaft 17 to rotate, drives the outer rotating roller 18 to rotate, the conveying belt 19 is installed between the rotating rollers 18 in a matched mode, so that the conveying belt 19 starts to run, and the top end and the bottom side of the conveying belt 19 are in contact with the support plate 21 in the running process, the support plate 21 supports the conveying belt 19, guarantees the stability of the conveying belt 19 when the optical lens is conveyed, prevents the optical lens from sinking or deforming due to the weight of the optical lens, and realizes the stable conveying of the optical lens on the device.

[0028] When the cleaned optical lens moves to the position below the detection camera 25 on the conveying belt 19, the detection camera 25 shoots the optical lens, the image data of the shot image is transmitted to the control panel 29, the image is analyzed by using an image processing algorithm, bubbles in the appearance defects of the optical lens are detected, and the detection work of the optical lens is realized, and the specific model of the detection camera 25 is Basler acA1300-200um.

[0029] Working principle: the driving motor 16 is started, and the output end drives the winding roller 11 to rotate, the driving wheel 12 drives the driven wheel 13 to rotate through the belt 14, so that the unwinding roller 10 and the winding roller 11 realize synchronous rotation, the dust-free cloth 28 wound on the outer side of the unwinding roller 10 starts to unwind, and one end of the unwound dust-free cloth 28 passes through the bottom side of the cleaning roller 6 and is finally wound by the winding roller 11. According to the thickness of the optical lens, rotate the handle 4 to drive the threaded rod 3 to rotate, so that the sliding block 8 slides in the sliding groove 7, thereby driving the cleaning roller 6 to move up and down with the mounting frame 5, so that the cleaning roller 6 and the dust-free cloth 28 on the bottom side thereof are in contact with the surface of the optical lens. When the optical lens passes below the cleaning roller 6 on the conveying belt 19, the dust, fibers and other contaminants on the surface of the optical lens are wiped off, ensuring the cleanliness of the surface of the optical lens and improving the detection accuracy.

[0030] According to the detection requirement, the limiting bolt 27 is pulled out of the current limiting hole 26, and then the sliding block 24 is moved to slide in the arc-shaped groove 23, so that the detection camera 25 reaches the appropriate angle position. Then the limiting bolt 27 is inserted into the corresponding limiting hole 26 to realize accurate fixing of the angle of the detection camera 25, reduce the interference of shadow or reflection, and ensure that the image of the optical lens can be clearly and accurately shot.

[0031] The conveying motor 20 is started, and the output end drives the rotating shaft 17 to rotate, and drives the rotating rollers 18 on the outer side to rotate. The rotating rollers 18 are cooperatively installed between the conveying belt 19, so that the conveying belt 19 starts to run. During the running process of the conveying belt 19, the top and bottom sides thereof are in contact with the supporting plate 21. The supporting plate 21 supports the conveying belt 19 to ensure the stability of the conveying belt 19 when conveying the optical lens, prevents the conveying belt 19 from sinking or deforming due to the weight of the lens, and realizes the stable conveying of the optical lens on the device.

[0032] When the cleaned optical lens moves below the detection camera 25 on the conveying belt 19, the detection camera 25 shoots the optical lens. The image data shot is transmitted to the control panel 29. The image is analyzed by using an image processing algorithm. The bubbles in the appearance defects of the optical lens are detected, so that the detection work of the optical lens is realized.

[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An automatic optical inspection device for optical sheets, characterized in that: The utility model provides a kind of dustless cloth cleaning device, including support frame (1), the top side one end of the support frame (1) is equipped with fixed frame (2), the top side inside of the fixed frame (2) is equipped with threaded rod (3) rotationally, the top side of the threaded rod (3) is equipped with handle (4), the bottom side of the threaded rod (3) is equipped with mounting frame (5) rotationally, the both sides of the mounting frame (5) are fixedly equipped with cleaning roller (6), the both sides inside of the fixed frame (2) is equipped with sliding slot (7), the inside of the sliding slot (7) is equipped with sliding block (8) slidingly, the one side of the sliding block (8) is respectively installed in one side of mounting frame (5), the top side of the support frame (1) is equipped with fixed plate (9) in the both sides of fixed frame (2), the inside of the fixed plate (9) is respectively equipped with unwinding roller (10) and winding roller (11) rotationally, the outside of the unwinding roller (10) is equipped with dustless cloth (28) roll material, one end of the dustless cloth (28) is discharged from unwinding roller (10), passes through cleaning roller (6) bottom side, and is finally wound on the outside of winding roller (11).

2. The optical automatic inspection apparatus for optical sheets according to claim 1, wherein: One end of the winding roller (11) and unwinding roller (10) is respectively equipped with driving wheel (12) and driven wheel (13), and the driving wheel (12) and the driven wheel (13) are connected by a belt (14). One side of one of the fixed plates (9) is equipped with a support seat (15), and the inside of the support seat (15) is equipped with a drive motor (16). One end of the winding roller (11) is connected with the output end of the drive motor (16).

3. The apparatus according to claim 2, wherein: The both ends of the support frame (1) are rotationally installed with rotating shafts (17), the rotating shafts (17) are installed with rotating rollers (18) outside, the rotating rollers (18) are installed with conveying belts (19) outside, one side of the support frame (1) is installed with a conveying motor (20), one end of the rotating shaft (17) is connected with the output end of the conveying motor (20), the both sides of the support frame (1) are installed with support plates (21), and the support plates (21) are in contact with the top end of the conveying belt (19).

4. The apparatus according to claim 3, wherein: The top side of the support frame (1) is installed with an arc-shaped frame (22) in the middle, the arc-shaped frame (22) is equipped with an arc-shaped slot (23) inside, the arc-shaped slot (23) is equipped with a sliding block (24) inside, and the bottom side of the sliding block (24) is equipped with a detection camera (25).

5. The apparatus according to claim 4, wherein: the light source is a light emitting diode; the light detector is a photodiode; and the light source and the light detector are mounted on a single printed circuit board. 5 The arc-shaped frame (22) is equipped with a plurality of limiting holes (26) equidistantly through the arc-shaped slot (23), and the inside of one of the limiting holes (26) is equipped with a through hole and a limiting bolt (27).

6. The apparatus according to claim 5, wherein: One side of the support frame (1) is installed with a control panel (29), and the control panel (29) is used for operating control of electrical elements in the device.

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