Lens gum application jig

Abstract

The utility model provides a lens back glue jig, which relates to the technical field of optical lens processing, and comprises a base, the base is provided with a cavity and a lens carrying table, the lens carrying table can be embedded in the cavity in an up-and-down moving manner, and the lens carrying table is provided with a spring for enabling the lens carrying table to move upwards and a bolt for preventing the lens carrying table from being separated from the cavity. A receding groove and a through hole penetrating from top to bottom are formed in the middle of the lens carrying table, a step face is formed at the joint of the receding groove and the through hole, the upper end of a bolt is clamped to the step face, and the lower end of the bolt is in threaded connection with the base. At least one through groove is formed in the upper end of the cavity, and the gum can be taken and placed through the through groove. The lens and the gum are limited through the cavity, the situation of inclined pasting is avoided, gum pasting with different strengths is achieved by adjusting the initial height of the lens carrying table, the overall structure is simple, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lens processing, in particular to a lens back glue jig. Background Art

[0002] In the manufacturing process of modern optical components, the assembly quality of the lens directly affects the optical performance and service life of the finished product. In order to improve the water tightness and durability of the lens after assembly, it is usually necessary to attach adhesive backing to the lens. However, in the process of manual adhesive backing, there are often phenomena such as crooked adhesive backing, warping, and adhesive overflow, which lead to poor appearance and even poor performance of the finished product. These problems not only reduce the product qualification rate and increase production costs, but also affect product performance and user experience. Therefore, the existing lens adhesive backing technology has many deficiencies in terms of operating accuracy and other aspects, and an improved technical solution is urgently needed to solve these problems and improve the assembly quality and production efficiency of the lens. Utility Model Content

[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to propose a lens adhesive jig, which adopts the following technical solutions:

[0004] A lens adhesive jig, comprising:

[0005] A base, wherein a cylindrical cavity is provided at the center of the base along the height direction;

[0006] A lens carrier, the lens carrier is limited in the cavity by an elastic limiting unit, and the side wall of the lens carrier is in contact with the inner wall of the cavity;

[0007] Wherein, the limiting height of the above-mentioned lens carrier is lower than the height of the above-mentioned cavity.

[0008] In the above technical solution, the lens is placed on the lens carrier with the back side facing upwards, and the back glue is pressed downwards from the upper opening of the cavity onto the back side of the lens. At this time, the elastic limiting unit gives an upward force to the lens carrier, so that the back glue is fully attached to the lens. In particular, the back glue can also be placed on the lens carrier with the adhesive side facing upwards, and the back glue is attached by pressing the lens downwards. Under the limiting effect of the cavity, the back glue can be effectively prevented from being skewed or warped, and no manual alignment is required, which significantly improves the processing efficiency.

[0009] As a further improvement, at least one through groove is provided on the cavity wall between the upper end surface of the cavity and the lens carrier.

[0010] In the above technical solution, the purpose of setting the through groove is to take and place the adhesive backing, and the through groove makes the operation of taking and placing the adhesive backing more convenient, thereby improving work efficiency and operating comfort.

[0011] As a further improvement, the through groove is a fan-shaped groove with a central angle of 60°.

[0012] As a further improvement, the elastic limiting unit comprises: a spring and a bolt;

[0013] The head end of the bolt is inserted into the lens carrier, the threaded end of the bolt is threadedly connected to the bottom surface of the cavity, and the screw sleeve of the bolt is provided with a spring for limiting.

[0014] In the above technical solution, the maximum height of the lens carrier can be adjusted by adjusting the thread depth of the bolt, thereby controlling the compression degree of the spring. The springs under different compression degrees make the required pressing force for the back adhesive different, thereby meeting the needs of different fitting forces.

[0015] As a further improvement, a clearance groove and a through hole are provided through the middle of the lens carrier from top to bottom, and a step surface is formed at the connection between the clearance groove and the through hole. The head end of the bolt is clamped on the step surface, and the threaded end is threadedly connected to the bottom surface of the cavity.

[0016] In the above technical solution, the purpose of setting the clearance groove is to facilitate the adjustment of the thread depth of the bolt. The operator can adjust the thread depth of the bolt by inserting a screwdriver into the clearance groove to tighten or loosen the bolt, thereby adjusting the height of the lens carrier. The operation is convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is an exploded schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a longitudinal sectional schematic diagram of the utility model;

[0021] Figure 4 It is a cross-sectional schematic diagram of the lens carrier in the present invention.

[0022] Reference numerals:

[0023] 1-base; 2-lens stage; 3-spring; 4-bolt;

[0024] 11- cavity; 11a- through groove;

[0025] 21- clearance groove; 22- through hole; 23- step surface. DETAILED DESCRIPTION

[0026] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the accompanying drawings:

[0027] In the description of the present invention, the orientation or positional relationship indicated by the terms "portion", "side", "end", etc. is based on the orientation or positional relationship shown in the drawings and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] like Figure 1-Figure 3 As shown, the present application provides a lens adhesive jig, comprising a base 1 and a lens carrier 2. A cylindrical cavity 11 is provided at the center of the base 1 along the height direction, and the lens carrier 2 is limited in the cavity 11 by an elastic limiting unit, and the side wall of the lens carrier 2 is in contact with the inner wall of the cavity 11, and the limiting height of the lens carrier 2 is lower than the height of the cavity 11.

[0029] refer to Figure 2 The exploded structural diagram of an embodiment of the present application is shown, the base 1 is a cylinder, the cavity 11 is arranged at the center of the upper surface of the cylindrical base 1, the cross section of the cavity 11 is a circular ring, the outer diameter of the lens carrier 2 is matched with the inner diameter of the cavity 11, and preferably, the base 1 and the cavity 11 are integrally formed. When in use, the back of the lens is placed on the lens carrier 2 with the back facing upward, and the back glue is pressed downward from the opening above the cavity 11 on the back of the lens. At this time, the elastic limiting unit gives the lens carrier 2 an upward force so that the back glue is fully fitted with the lens. In addition, the back glue can also be placed on the lens carrier 2 with the adhesive surface facing upward, and the back glue is applied by pressing the lens downward. Under the limiting effect of the cavity 11, the occurrence of the back glue sticking crooked, warped edges, etc. can be effectively prevented, and no manual alignment is required, which significantly improves the processing efficiency. It should be noted that when the lens carrier 2 is in the initial position, the spring 3 should be in the original length state or compressed state.

[0030] like Figure 1-Figure 3 As shown, the elastic limiting unit includes a spring 3 and a bolt 4. The head end of the bolt 4 is inserted into the lens carrier 2, the threaded end of the bolt 4 is threadedly connected to the bottom surface of the cavity 11, and the screw sleeve of the bolt 4 is provided with a spring 3 for limiting.

[0031] refer to Figure 3In the longitudinal cross-sectional view of the utility model shown, the spring 3 is arranged in the cavity 11 and is located between the lens carrier 2 and the base 1. When the lens carrier 2 is pressed downward, the spring 3 forms an upward elastic force to make the lens and the backing adhesive fully fit.

[0032] Furthermore, a clearance groove 21 and a through hole 22 are provided in the middle of the lens carrier 2 from top to bottom, and a step surface 23 is formed at the connection between the clearance groove 21 and the through hole 22. The upper end of the bolt 4 is clamped on the step surface 23, and the lower end is fixedly connected to the base 1.

[0033] In a specific embodiment, the cross-sections of the clearance groove 21 and the through hole 22 are both circular, and the through hole 22 is opened at the center of the bottom surface of the clearance groove 21. The diameter of the through hole 22 is smaller than the outer diameter of the clearance groove 21, thereby forming a circular step surface 23 at the connection between the clearance groove 21 and the through hole 22. The head end of the bolt 4 is clamped on the step surface 23, and the threaded end is threadedly connected to the base 1. By tightening downward or loosening upward, the head end moves upward or downward, thereby adjusting the maximum height of the lens carrier 2. When in use, tightening the bolt 4 downward allows the spring 3 to accumulate more elastic potential energy, and at this time, a greater pressing force is required for the back glue to be applied; loosening the bolt 4 upward allows the spring 3 to accumulate less elastic potential energy or restore its original length, and at this time, only a smaller force is required for the back glue to be applied. Through the action of tightening / loosening the bolt 4, the operator can adjust the thread depth of the bolt 4 by inserting a screwdriver into the clearance groove 21 to tighten or loosen the bolt 4, and easily adjust the pressing force required for the lens carrier 2. The overall structure is simple, the operation is convenient, the adjustment is flexible, and it has good practicality.

[0034] In addition, if Figure 3 As shown in the longitudinal sectional diagram, the clearance groove 21 and the through hole 22 are also used to balance the air pressure in the upper and lower areas of the lens carrier 2. When the lens carrier 2 moves up and down in the cavity 11, the lower chamber of the lens carrier 2 can maintain air pressure balance with the outside through the through hole 22, thereby reducing air resistance during the movement, making the lens carrier 2 move more smoothly, and the movement trajectory more stable, ensuring that the lens and the back glue fit more accurately.

[0035] like Figure 1-Figure 3 As shown, at least one through groove 11 a is provided on the wall surface of the cavity 11 between the upper end surface and the lens carrier 2 .

[0036] Specifically, the through grooves 11a are two symmetrically arranged fan-shaped grooves with a central angle of 60°, which are convenient for taking and placing the adhesive backing or the lens. The through grooves 11a make the taking and placing operation more convenient, thereby improving work efficiency and operating comfort.

[0037] The lens carrier 2, spring 3, bolt 4, base 1 and cavity 11 of the utility model have no fixed connection, and are all individually replaceable components, which can be replaced according to the lens specifications, thereby improving the reliability and flexibility of the product; and a single component can be easily replaced if damaged, thereby reducing maintenance costs and improving the reliability and flexibility of the product.

[0038] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lens adhesive jig, characterized in that: include: A base (1), wherein a cylindrical cavity (11) is provided at the center of the base (1) along the height direction; A lens carrier (2), the lens carrier (2) being limited in the cavity (11) by an elastic limiting unit, and the side wall of the lens carrier (2) being in contact with the inner wall of the cavity (11); in, The limiting height of the lens carrier (2) is lower than the height of the cavity (11).

2. The lens adhesive jig according to claim 1, characterized in that: At least one through groove (11a) is provided on the wall surface of the cavity (11) between the upper end surface of the cavity (11) and the lens carrier (2).

3. A lens adhesive jig as claimed in claim 2, characterized in that: The through groove (11a) is a fan-shaped groove with a central angle of 60°.

4. The lens adhesive jig according to claim 1, characterized in that: The elastic limiting unit comprises: a spring (3) and a bolt (4); The head end of the bolt (4) is inserted into the lens carrier (2), the threaded end of the bolt (4) is threadedly connected to the bottom surface of the cavity (11), and the screw sleeve of the bolt (4) is provided with a spring (3) for limiting position.

5. The lens adhesive jig according to claim 4, characterized in that: A clearance groove (21) and a through hole (22) are provided in the middle of the lens carrier (2) from top to bottom, and a step surface (23) is formed at the connection between the clearance groove (21) and the through hole (22). The head end of the bolt (4) is clamped on the step surface (23), and the threaded end is threadedly connected to the bottom surface of the cavity (11).

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