CN221250146U - Positioning jig for optical lens glass silk screen printing - Google Patents

Abstract

The utility model relates to the technical field of optical lens processing, in particular to a positioning jig for optical lens glass screen printing, which comprises a positioning table, wherein a supporting table is arranged on the table top of the positioning table, the bottom of the positioning table is connected with a lifting block, the outer circumferential surface of the lifting block is provided with a plurality of circumferentially distributed supporting plates, the outer end parts of the supporting plates are respectively rotatably provided with connecting arms, the outer circumferential surface of the positioning table is rotatably provided with a plurality of circumferentially distributed movable blocks, the connecting arms arranged at the outer ends of the supporting plates are respectively hinged with the lower ends of the corresponding movable blocks, the upper ends of the movable blocks are respectively provided with a chuck, a pressing plate is further suspended above the positioning table, the circumferentially distributed chucks can effectively restrain and position the lenses in the middle, meanwhile, the pressing plate arranged above can further correct the lenses, and finally, the inclined surface design of the chucks can restrain the lenses with different specifications, so that the application range of the positioning jig is effectively improved.

Description

Positioning jig for optical lens glass silk screen printing

Technical Field

The utility model relates to the technical field of optical lens processing, in particular to a positioning jig for optical lens glass screen printing.

Background

When the optical glass is silk-screened, the optical glass needs to be positioned. Because the optical glass lenses are generally small in size, if the lenses are positioned inaccurately before the silk-screen process, deviation occurs in subsequent silk-screen, which affects the silk-screen quality of the product.

Under traditional locate mode, mainly according to the identical recess of identical profile of lens design, the lens is put into the recess and is fixed a position, because the specification of lens is not unified, just need dispose a plurality of recesses and deal with processing, this has just increased manufacturing cost, and the locating jig that optical lens silk screen printing stage adopted is not strong in suitability, is a problem that needs to solve at present.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a positioning jig for optical lens glass screen printing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a positioning jig of optical lens glass silk screen printing, includes the locating table, be provided with the saddle on the mesa of locating table, be used for placing the optical lens on the saddle, the bottom center of locating table is provided with the pneumatic lever downwards, and the lower extreme of this pneumatic lever is connected with the lifter, the outer peripheral face of lifter is provided with a plurality of extension boards of circumference distribution, the linking arm is installed in the outer tip rotation of extension board respectively, the outer peripheral face of locating table rotates and installs a plurality of movable blocks of circumference distribution, the movable block one-to-one with the extension board of below, the linking arm that each extension board outer end set up articulates with the movable block lower extreme that corresponds respectively, the mesa of locating table is stretched out to the upper end of movable block is provided with the chuck respectively, and the chuck medial surface of circumference distribution all designs into the inclined plane, the top of locating table still hangs and is equipped with the clamp plate, and the clamp plate moves down and presses on the optical lens of saddle.

In a preferred technical scheme, the bottom of locating bench is provided with the supporting leg, and the bottom of supporting leg is provided with the base, the locating bench is erect through the supporting leg on the base.

In a preferred technical scheme, the inside of locating bench is provided with the cylinder, the bottom output of cylinder is provided with vertical pneumatic rod.

In a preferred technical scheme, the top of locating bench is provided with the suspension, the suspension is in through the support frame fixed mounting that its side set up on the base, and the suspension top is provided with the pneumatic cylinder, and the bottom output of this pneumatic cylinder is provided with the piston rod, the piston rod stretches out downwards from the suspension, and the lower extreme of piston rod is provided with the clamp plate.

In a preferred technical scheme, the movable block is rotatably mounted on the outer peripheral surface of the positioning table through a fixed shaft, the movable block is of a Z-shaped structure, and the movable block is not in contact with the positioning table.

The beneficial effects of the utility model are as follows:

Through the positioning jig structure that this scheme provided, the problem that the positioning jig suitability that optical lens silk screen printing stage adopted is not strong is solved, and the chuck of circumference distribution can carry out the constraint location to the lens in the middle of putting effectively, and the clamp plate that the top set up simultaneously can carry out further correction to the lens, finally ensures that the lens is in the position that accords with the production requirement, and the inclined plane design of this chuck can retrain the lens of different specifications to effectively improve the application scope of this positioning jig.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a positioning fixture according to the present utility model;

FIG. 2 is a schematic top view of a positioning table according to the present utility model;

Fig. 3 is a schematic top view of a lifting block according to the present utility model.

In the figure: 1. a base; 2. a positioning table; 3. support legs; 4. a support; 5. a cylinder; 6. a lifting block; 7. a support plate; 8. a connecting arm; 9. a fixed shaft; 10. a movable block; 11. a chuck; 12. a suspension; 13. a piston rod; 14. a pressing plate; 15. a pneumatic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In this embodiment, referring to fig. 1-3, a positioning fixture for optical lens glass screen printing comprises a positioning table 2, wherein a supporting table 4 is arranged on a table top of the positioning table 2, an optical lens is placed on the supporting table 4, supporting legs 3 are arranged at the bottom of the positioning table 2, a base 1 is arranged at the bottom of the supporting legs 3, and the positioning table 2 is erected on the base 1 through the supporting legs 3.

The inside of locating bench 2 is provided with cylinder 5, and the bottom output of cylinder 5 is provided with vertical pneumatic rod 15. The lower end of the pneumatic rod 15 is connected with a lifting block 6. The whole positioning table 2 can be overhead through the supporting legs 3, so that the height of the lifting block 6 can be conveniently adjusted.

As shown in fig. 3, the outer peripheral surface of the lifting block 6 is provided with a plurality of circumferentially distributed support plates 7, the outer end parts of the support plates 7 are respectively rotatably provided with connecting arms 8, and in combination with fig. 2, the outer peripheral surface of the positioning table 2 is rotatably provided with a plurality of circumferentially distributed movable blocks 10, the movable blocks 10 are in one-to-one correspondence with the support plates 7 below, and the connecting arms 8 arranged at the outer ends of the support plates 7 are respectively hinged with the lower ends of the corresponding movable blocks 10.

The upper end of the movable block 10 extends out of the table top of the positioning table 2, the upper ends of the movable block 10 are respectively provided with a chuck 11, the inner side surfaces of the chucks 11 distributed circumferentially are designed to be inclined planes, a pressing plate 14 is further suspended above the positioning table 2, and the pressing plate 14 moves downwards and is pressed on the optical lens of the supporting table 4.

In particular, as shown in fig. 1, the movable block 10 is rotatably mounted on the outer peripheral surface of the positioning table 2 by the fixed shaft 9, the movable block 10 has a zigzag structure, and each movable block 10 does not collide or contact with the positioning table 2 during rotation about its corresponding fixed shaft 9, so that the movable block 10 is designed to ensure that only the movable block 10 receives rotation, and that no other positional deviation of the optical lens glass occurs.

A suspension bracket 12 is arranged above the positioning table 2, the suspension bracket 12 is fixedly arranged on the base 1 through a support frame arranged on the side edge of the suspension bracket 12, a hydraulic cylinder is arranged at the top of the suspension bracket 12, a piston rod 13 is arranged at the bottom output end of the hydraulic cylinder, the piston rod 13 extends downwards from the suspension bracket 12, and a pressing plate 14 is arranged at the lower end of the piston rod 13. The height of the pressing plate 14 can be adjusted according to the use requirement, and the pressing plate 14 can be gradually pressed on the surface of the optical lens glass in the process of lowering from top to bottom, wherein the pressing plate 14 can be designed to be consistent with the shape of the optical lens glass but has a slightly smaller appearance so as to ensure that the pressing plate 14 is pressed on the lens and the stress of the lens is uniform.

In the practical application process, the whole positioning jig is controlled to be in a state shown in the attached figure 1, the chucks 11 are kept vertical at the moment, then staff put optical lens glass between the chucks 11, and the purpose of designing the inner side surface of the chucks 11 as an inclined surface is that the inclined surface can be suitable for lenses with different sizes, and in addition, the clamping effect can be achieved. The pressing plate 14 is controlled to descend through the hydraulic cylinder, the pressing plate 14 can be slowly pressed on the lens and gradually downwards presses the lens, the pressure above the pressing plate is applied to the lens to control the lens to move downwards, meanwhile, the peripheral inclined plane can also correct the position of the lens along with the downward movement of the lens in real time, the lens is ensured to keep the horizontal posture to move downwards, after the lens moves to the lowest position, the pressing plate 14 is lifted to the high position, and at the moment, the lens glass is in a horizontal and completely fixed state, so that the subsequent silk-screen printing operation can be conveniently carried out on the lens. After the operation is finished, the lifting block 6 is controlled to descend, at the moment, the movable blocks 10 around the lifting block outwards overturn, so that the lens glass falls down onto the supporting table 4, and the lens glass is conveniently taken out by staff.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a location tool of optical lens glass silk screen printing, its characterized in that, including locating table (2), be provided with saddle (4) on the mesa of locating table (2), be used for placing optical lens on saddle (4), the bottom center of locating table (2) is provided with pneumatic rod (15) downwards, and the lower extreme of this pneumatic rod (15) is connected with lifter (6), the outer peripheral face of lifter (6) is provided with a plurality of extension board (7) of circumference distribution, connecting arm (8) are installed in the outer tip rotation of extension board (7) respectively, the movable block (10) of circumference distribution are installed in the outer peripheral face rotation of locating table (2) a plurality of, the arm (8) of each extension board (7) outer end and the extension board (10) lower extreme hinge of corresponding movable block (10) respectively, and the upper end of movable block (10) is provided with the upper end of chuck (11) of circumference distribution respectively, and is equipped with the chuck (14) of optic disc (14) on the side of pressing down in the design, the side of holding down board (14) is pressed down in the slope.

2. The positioning jig for optical lens glass screen printing according to claim 1, wherein supporting legs (3) are arranged at the bottom of the positioning table (2), a base (1) is arranged at the bottom of the supporting legs (3), and the positioning table (2) is erected on the base (1) through the supporting legs (3).

3. The positioning jig for optical lens glass screen printing according to claim 1, wherein an air cylinder (5) is arranged in the positioning table (2), and a vertical pneumatic rod (15) is arranged at the bottom output end of the air cylinder (5).

4. The positioning jig for optical lens glass screen printing according to claim 2, wherein a suspension bracket (12) is arranged above the positioning table (2), the suspension bracket (12) is fixedly arranged on the base (1) through a support frame arranged on the side edge of the suspension bracket, a hydraulic cylinder is arranged at the top of the suspension bracket (12), a piston rod (13) is arranged at the bottom output end of the hydraulic cylinder, the piston rod (13) extends downwards from the suspension bracket (12), and a pressing plate (14) is arranged at the lower end of the piston rod (13).

5. The positioning jig for optical lens glass screen printing according to claim 1, wherein the movable block (10) is rotatably mounted on the outer peripheral surface of the positioning table (2) through a fixed shaft (9).