Double-sided automatic coating equipment for optical lens

Abstract

The utility model discloses an optical lens double-sided automatic coating device which comprises a working table, an adjusting groove is formed in the upper end face of the working table, an adjusting mechanism is arranged on the adjusting groove, adjusting assemblies are movably connected to the two sides of the adjusting mechanism, clamping mechanisms are rotationally connected to the two adjusting mechanisms, and a supporting mechanism is arranged on the working table. The supporting mechanism is located between the two clamping mechanisms, a shell is arranged on the workbench, a top plate is fixedly arranged on the inner wall of the shell, and a coating device for coating an optical lens is fixedly installed in the center of the top plate. The two clamping mechanisms each comprise a rotating shaft, a movable hole is formed in the center of each rotating shaft, movable rods are movably connected into the movable holes, arc-shaped clamping plates are fixedly installed at the ends, close to each other, of the two movable rods, compression springs sleeve the movable rods, one ends of the compression springs abut against the arc-shaped clamping plates, and the other ends of the compression springs abut against the rotating shafts. The compression spring is arranged between the arc-shaped clamping plate and the rotating shaft, and the side face of the lens is prevented from being damaged by excessive pressure through elastic buffering of the compression spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens coating technical field, concretely is a kind of optical lens double-face automatic coating equipment. BACKGROUND

[0002] Optical lens is a kind of optical element for controlling the propagation direction and distribution of light, usually made of transparent material (such as glass or plastic), one or two surfaces are curved. Lens realizes focusing or diverging effect on light by refracting light, mainly divided into convex lens and concave lens two categories. Convex lens can make parallel light converge at a point (focal point), commonly used in magnifying glass, camera lens and microscope etc.;Concave lens makes light diverge, used in myopia correction scene etc. The performance of lens depends on the refractive index of its material, curvature radius and surface quality, widely used in optical instruments, imaging equipment and modern science and technology field, general lens wear resistance and corrosion resistance are poor, long-term use easily leads to mirror surface wear, metamorphic or broken, therefore, lens is generally needed after forming surface coating treatment.

[0003] Chinese patent document "CN218621020U, a range finder lens optical lens double-face coating turnover device" records that the rotation of hand wheel drives screw rod rotation, the rotation of screw rod drives two moving plates to approach each other, the movement of two moving plates drives two shafts to approach each other, the shaft drives arc-shaped positioning plate to move, when two arc-shaped positioning plates move to appropriate position, stop rotating hand wheel, pull up support plate, the movement of support plate drives slide rod to move upwards, at this time spring is stretched, rotate hand wheel again to make two arc-shaped positioning plates position lens, release support plate, support plate moves downward under the action of spring elasticity, at this time lens can be coated.

[0004] However, the device is directly clamped to the lens by arc-shaped positioning plate, and the side of the lens is subjected to force distribution at several stress points during clamping, which can easily damage the side of the lens. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of optical lens double-face automatic coating equipment to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides an optical lens double -sided automatic coating equipment, including the workbench, the upper end surface of workbench is equipped with adjusting groove, be equipped with adjusting mechanism on adjusting groove, two sides movable joint of adjusting mechanism are equipped with adjusting assembly, adjusting mechanism can adjust two sides adjusting assembly and carry out the movement of opposite direction or reverse direction, two adjusting mechanism all rotationally connected with clamping mechanism, be equipped with support mechanism on the workbench, support mechanism is located between two clamping mechanisms, be equipped with shell on the workbench, the inner wall of shell is fixedly equipped with top plate, the center of top plate is fixedly installed and gives optical lens coating's coating machine,

[0008] Two clamping mechanisms all include pivot, the center of pivot is equipped with movable hole, movable hole is movably connected with movable rod, the end of two movable rods that are close to each other all is fixedly installed with arc clamping plate, movable rod is covered with compression spring, one end of compression spring and arc clamping plate abut, the other end and pivot abut, the outer end of one pivot is fixedly installed with the rotation mechanism of controlling its rotation.

[0009] Further, the end of two movable rods away from the arc clamping plate is threadedly connected with a limit cap, and the two limit caps are arranged on the outer side of the corresponding pivot.

[0010] Further, the adjusting mechanism includes a bidirectional screw rod and two moving rods, the two ends of the bidirectional screw rod are rotationally connected to the inner walls of the adjusting grooves, the two adjusting assemblies are threadedly connected to two different thread segments on the bidirectional screw rod, one end of the bidirectional screw rod is fixedly installed with a hand wheel, the two ends of the two moving rods are fixedly connected to the inner walls of the adjusting grooves, the two moving rods are arranged on the two sides of the bidirectional screw rod, and the two moving rods are slidably connected with the two adjusting assemblies.

[0011] Further, the two adjusting assemblies each include a side plate, the side plate is provided with a through hole, the pivot is fixedly sleeved with a bearing, the inner ring of the bearing is fixedly connected with the outer wall of the pivot, and the outer ring of the bearing is fixedly connected with the inner wall of the through hole.

[0012] Further, the rotation mechanism includes a drive motor, the output shaft of the drive motor is fixedly installed with a worm, the pivot close to the drive motor is fixedly sleeved with a worm wheel, and the worm wheel is engaged with the worm.

[0013] Further, the support mechanism includes two slide rods, the two slide rods are slidably connected with the workbench, the top ends of the two slide rods are fixedly installed with the same support plate, the slide rods are sleeved with return springs, one end of the return spring abuts against the top surface of the workbench, and the other end abuts against the bottom surface of the support plate.

[0014] Further, the top surface of the support plate is provided with a pad, and the pad is provided with a circular groove.

[0015] Further, the surface of the shell is provided with a cabinet door which is rotatably arranged on the surface of the shell through a hinge.

[0016] The utility model discloses beneficial effect has:

[0017] The utility model discloses a movable hole is established in the center of rotating shaft, and movable hole is movably connected with movable rod, and the one end of mutual approach of two movable rods is fixedly installed with arc clamping plate, and the clamping of optical lens is realized through the cooperation of two arc clamping plates, and the movable rod is covered with compression spring, and the one end of compression spring is in abutment with arc clamping plate, and the other end is in abutment with rotating shaft, when two arc clamping plates approach and clamping optical lens, compression spring is compressed and generates reverse thrust under stress, and both ensure the clamping firmness, and can avoid damaging lens side through elastic buffering and overpressure.

[0018] The other features and advantages of the utility model will be described in detail in the subsequent specific embodiment part. DRAWINGS

[0019] Figure 1 The utility model discloses whole structure diagram.

[0020] Figure 2 The utility model discloses the explosion map of workbench and shell.

[0021] Figure 3 The utility model discloses sectional view.

[0022] Figure 4 The utility model discloses workbench structure diagram.

[0023] Figure 5 : Figure 4 The structure enlarged view of partial A.

[0024] Figure 6 The utility model discloses the explosion map of adjusting assembly and clamping mechanism.

[0025] Reference numeral: 1, workbench;2, adjusting mechanism;3, adjusting assembly;4, clamping mechanism;5, support mechanism;6, shell;7, rotating mechanism;11, adjusting groove;21, bidirectional screw;22, moving rod;23, hand wheel;31, side plate;32, through -hole;33, bearing;41, rotating shaft;42, movable hole;43, movable rod;44, arc clamping plate;45, compression spring;46, limit cover;51, slide rod;52, support plate;53, reset spring;54, cushion block;55, circular groove;61, cabinet door;62, top plate;63, coating device;71, drive motor;72, worm;73, worm wheel. CONCRETE IMPLEMENTATION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0027] Please refer to Figures 1-6 ;

[0028] An optical lens double-sided coating device, comprising a workbench 1, the upper end face of the workbench 1 is provided with an adjusting groove 11, the adjusting groove 11 is provided with an adjusting mechanism 2, the two sides of the adjusting mechanism 2 are movably connected with adjusting assemblies 3, the adjusting mechanism 2 can adjust the two adjusting assemblies 3 to move towards each other or in the opposite direction, the two adjusting mechanisms 2 are rotatably connected with clamping mechanisms 4, the workbench 1 is provided with a supporting mechanism 5, the supporting mechanism 5 is located between the two clamping mechanisms 4, and the supporting mechanism 5 is used for placing optical lenses; when the two adjusting assemblies 3 are controlled to move close to each other, the clamping mechanisms 4 can be driven to move synchronously to clamp the optical lenses on the supporting mechanism 5; the workbench 1 is provided with a shell 6, the inner wall of the shell 6 is fixedly installed with a top plate 62, the center of the top plate 62 is fixedly installed with a film coating device 63 for coating the optical lenses, and the film coating device 63 is located directly above the supporting mechanism 5; when the two clamping mechanisms 4 complete clamping of the optical lenses, the film coating device 63 can be started to automatically coat the optical lenses;

[0029] The two clamping mechanisms 4 each comprise a rotating shaft 41, the center of the rotating shaft 41 is provided with a movable hole 42, the movable hole 42 is movably connected with an movable rod 43, the two movable rods 43 are movably connected with each other, and the end of the two movable rods 43 close to each other is fixedly installed with an arc-shaped clamping plate 44; the two arc-shaped clamping plates 44 are matched to clamp the optical lenses; the movable rod 43 is sleeved with a compression spring 45, one end of the compression spring 45 abuts against the arc-shaped clamping plate 44, and the other end of the compression spring 45 abuts against the rotating shaft 41; when the two arc-shaped clamping plates 44 are close to each other and clamp the optical lenses, the compression spring 45 is compressed to generate a reverse thrust, so that the stability of clamping is realized, and the elastic buffering can avoid excessive pressure from damaging the side of the lens; the outer end of one of the rotating shafts 41 is fixedly installed with a rotating mechanism 7 for controlling the rotation of the rotating shaft 41; the rotating mechanism 7 is used for controlling the rotation of the corresponding rotating shaft 41; when the rotating shaft 41 rotates, the optical lenses are rotated; the rotation of the optical lenses drives the other rotating shaft 41 to rotate, so that the optical lenses can be turned over, and the double-sided coating function is realized.

[0030] In the embodiment, the end of the two movable rods 43 away from the arc-shaped clamping plate 44 is threadedly connected with a limiting cover 46, and the two limiting covers 46 are arranged on the outer side of the corresponding rotating shaft 41; the limiting cover 46 is used for limiting the moving distance of the movable rod 43, so that the elastic reaction force of the compression spring 45 does not excessively push the arc-shaped clamping plate 44 outward, so that the movable rod 43 is not popped out of the movable hole 42, and the stability of use is ensured.

[0031] In the embodiment, the adjusting mechanism 2 comprises a bidirectional screw rod 21 and two moving rods 22, both ends of the bidirectional screw rod 21 are rotationally connected to the inner walls of the adjusting groove 11, two adjusting assemblies 3 are threadedly connected to two different thread segments on the bidirectional screw rod 21, one end of the bidirectional screw rod 21 is fixedly installed with a hand wheel 23, both ends of the two moving rods 22 are fixedly connected to the inner walls of the adjusting groove 11, the two moving rods 22 are arranged on the two sides of the bidirectional screw rod 21, and the two moving rods 22 are slidably connected to the two adjusting mechanisms 2.

[0032] Specifically, by rotating the hand wheel 23, the rotation of the hand wheel 23 drives the bidirectional screw rod 21 to rotate, and due to the opposite thread directions of the two ends of the bidirectional screw rod 21, the two adjusting assemblies 3 move in opposite directions or in reverse directions under the action of the bidirectional screw rod 21, so that the two adjusting assemblies 3 can adjust the distance according to the size of the optical lens, the optical lens of different lengths is clamped, and the adaptability of the device is improved.

[0033] In the embodiment, the two adjusting assemblies 3 each comprise a side plate 31, the side plate 31 is provided with a through hole 32, the outer fixed sleeve of the rotating shaft 41 is provided with a bearing 33, the inner ring of the bearing 33 is fixedly connected to the outer wall of the rotating shaft 41, and the outer ring of the rotating shaft 41 is fixedly connected to the inner wall of the through hole 32. By using the bearing 33, the friction force of the rotating shaft 41 when rotating is reduced, so as to realize the stable overturning effect of the optical lens.

[0034] In the embodiment, the rotating mechanism 7 comprises a driving motor 71, a worm 72 is fixedly installed on the output shaft of the driving motor 71, a worm wheel 73 is fixedly sleeved on the rotating shaft 41 close to the driving motor 71, the worm wheel 73 is engaged with the worm 72, by starting the driving motor 71, the rotation of the output shaft of the driving motor 71 drives the worm 72 to rotate, the rotation of the worm 72 drives the worm wheel 73 to rotate, and the rotation of the worm wheel 73 drives the rotating shaft 41 to rotate.

[0035] In the embodiment, the supporting mechanism 5 comprises two slide rods 51, the two slide rods 51 are slidably connected to the workbench 1, a same supporting plate 52 is fixedly installed at the top ends of the two slide rods 51, a reset spring 53 is sleeved on the slide rod 51, one end of the reset spring 53 abuts against the top surface of the workbench 1, and the other end of the reset spring 53 abuts against the bottom surface of the supporting plate 52.

[0036] Specifically, when the optical lens needs to be clamped, first, the two arc-shaped clamping plates 44 are adjusted to an appropriate distance, then the supporting plate 52 is pulled upward, the supporting plate 52 drives the slide rod 51 to move upward synchronously and stretches the reset spring 53, the hand wheel 23 is rotated, the two arc-shaped clamping plates 44 position and clamp the optical lens, the supporting plate 52 is released after clamping, and the supporting plate 52 is automatically reset to the initial position under the elastic restoring force of the reset spring 53.

[0037] In the embodiment, the top surface of the support plate 52 is provided with a pad 54, the pad 54 is provided with a circular groove 55, the curvature of the circular groove 55 matches the arc surface of the optical lens, the optical lens is at a suitable height through the setting of the pad 54, the clamping mechanism 4 can accurately complete the clamping operation, the circular groove 55 can provide positioning for the optical lens, and the position of the lens is kept stable when the support plate 52 is pulled upward, so that deviation is avoided.

[0038] In the embodiment, the surface of the shell 6 is provided with a cabinet door 61, the cabinet door 61 is rotatably arranged on the surface of the shell 6 through a hinge, the optical lens needing coating is placed on the support plate 52, the cabinet door 61 is provided with a transparent glass window, and the coating condition can be observed in real time through the transparent glass window.

[0039] The working principle is that first, the cabinet door 61 is opened, the optical lens is placed on the pad 54, the hand wheel 23 is rotated, the rotation of the hand wheel 23 drives the bidirectional screw rod 21 to rotate, the rotation of the bidirectional screw rod 21 drives the two side plates 31 to move close to each other, the movement of the two side plates 31 drives the two rotating shafts 41 to move close to each other, the rotation drives the arc-shaped clamping plates 44 to move, the hand wheel 23 is stopped when the two arc-shaped clamping plates 44 move to the appropriate positions, the support plate 52 is pulled upward, the movement of the support plate 52 drives the slide rod 51 to move upward, at this time, the return spring 53 is stretched, the hand wheel 23 is further rotated to make the two arc-shaped clamping plates 44 clamp the lens, the compression spring 45 is moderately compressed through multiple fine adjustments of the hand wheel 23 during clamping, the two compression springs 45 continuously exert a pushing force on the corresponding arc-shaped clamping plates 44 in the compressed state, so that the optical lens is fixed and clamped, the support plate 52 is loosened, the support plate 52 moves downward under the elastic force of the return spring 53, at this time, the lens is coated by the coating device 63, when the coating of one side of the lens is completed, the driving motor 71 is started, the rotation of the output shaft of the driving motor 71 drives the worm 72 to rotate, the rotation of the worm 72 drives the worm wheel 73 to rotate, so as to drive the rotating shaft 41 to rotate through the worm wheel 73, so that the optical lens can be turned over and the other side is coated, after the coating is completed, the cabinet door 61 is opened, and the lens can be taken out.

[0040] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0041] Furthermore, it should be understood that although the description is made according to the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by the person skilled in the art.

Claims

1. A double-sided automatic coating equipment for optical lenses, comprising a worktable (1), the upper end face of the worktable (1) being provided with an adjusting groove (11), characterized in that, The adjusting groove (11) is provided with an adjusting mechanism (2), both sides of the adjusting mechanism (2) are movably connected with adjusting assemblies (3), the adjusting mechanism (2) can adjust the two adjusting assemblies (3) to move towards or reversely, both the adjusting mechanisms (2) are rotatably connected with clamping mechanisms (4), the workbench (1) is provided with a supporting mechanism (5), the supporting mechanism (5) is located between the two clamping mechanisms (4), the workbench (1) is provided with a shell (6), the inner wall of the shell (6) is fixedly provided with a top plate (62), the center of the top plate (62) is fixedly installed with a coating device (63) for optical lens coating. Both the clamping mechanisms (4) comprise a rotating shaft (41), the center of the rotating shaft (41) is provided with a movable hole (42), the movable hole (42) is movably connected with an movable rod (43), the end of the two movable rods (43) close to each other is fixedly installed with an arc-shaped clamping plate (44), the movable rod (43) is sleeved with a compression spring (45), one end of the compression spring (45) abuts against the arc-shaped clamping plate (44), and the other end abuts against the rotating shaft (41), and the outer end of one of the rotating shafts (41) is fixedly installed with a rotating mechanism (7) for controlling the rotation thereof.

2. The apparatus according to claim 1, wherein The end of the two movable rods (43) away from the arc-shaped clamping plate (44) is threadedly connected with a limiting cover (46), and the two limiting covers (46) are arranged on the outer side of the corresponding rotating shaft (41).

3. The apparatus according to claim 1, wherein The adjusting mechanism (2) comprises a bidirectional screw rod (21) and two movable rods (22), both ends of the bidirectional screw rod (21) are rotatably connected to the inner walls of the adjusting grooves (11), the two adjusting assemblies (3) are threadedly connected to two different thread segments on the bidirectional screw rod (21), one end of the bidirectional screw rod (21) is fixedly installed with a hand wheel (23), both ends of the two movable rods (22) are fixedly connected to the inner walls of the adjusting grooves (11), the two movable rods (22) are arranged on the two sides of the bidirectional screw rod (21), and the two movable rods (22) are slidably connected with the two adjusting mechanisms (2).

4. The apparatus according to claim 1, wherein Both the adjusting assemblies (3) comprise a side plate (31), the side plate (31) is provided with a through hole (32), the rotating shaft (41) is fixedly sleeved with a bearing (33), the inner ring of the bearing (33) is fixedly connected with the outer wall of the rotating shaft (41), and the outer ring of the bearing (33) is fixedly connected with the inner wall of the through hole (32).

5. The apparatus according to claim 1, wherein The rotating mechanism (7) comprises a driving motor (71), the output shaft of the driving motor (71) is fixedly installed with a worm (72), the rotating shaft (41) close to the driving motor (71) is fixedly sleeved with a worm wheel (73), and the worm wheel (73) is meshed with the worm (72).

6. The apparatus according to claim 1, wherein The support mechanism (5) comprises two slide rods (51), both of which are in sliding connection with the workbench (1), and the top ends of both of the slide rods (51) are fixedly provided with the same support plate (52), and the slide rod (51) is provided with a reset spring (53) outside, one end of the reset spring (53) is in abutment with the top surface of the workbench (1), and the other end is in abutment with the bottom surface of the support plate (52).

7. The apparatus according to claim 6, wherein The top surface of the support plate (52) is provided with a cushion block (54), and the cushion block (54) is provided with a circular groove (55).

8. The apparatus according to claim 1, wherein The surface of the shell (6) is provided with a cabinet door (61), and the cabinet door (61) is rotatably arranged on the surface of the shell (6) through a hinge.

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