Lens assembling equipment

Abstract

The utility model provides lens assembling equipment, and relates to the technical field of lens assembling, a watertight testing mechanism is arranged on a rack, the watertight testing mechanism comprises a plurality of testing stations, each testing station comprises a lead screw module, a sliding seat of each lead screw module is connected with a rising pressing air cylinder, and the rising pressing air cylinder is connected with a sliding seat of the corresponding lead screw module. A bearing platform is arranged above the ascending pressing air cylinder and provided with a mounting base and an inflation channel. Each testing station is provided with a shooting device in a matched mode, and a sealed water injection mechanism is arranged under the shooting device. The beneficial effects of the utility model are that after the lens is driven by the bearing platform to enter the insertion space, water is injected into the closed chamber, gas is injected through the inflation channel, and the water surface of the closed chamber is observed through the shooting device; if gas rises to the water surface in the closed cavity through the lens to form bubbles, the product is an unqualified product, and if no bubbles are generated, the product is a qualified product.

Description

Technical Field

[0001] The utility model relates to the technical field of lens assembly, in particular to a lens assembly device. Background Art

[0002] Lens refers to the optical component used by movie cameras and projectors to generate images. Traditionally, manual assembly is commonly used in the production and assembly process of lenses. This is cumbersome to operate, has low assembly efficiency, and it is difficult to ensure the consistency of assembly quality. Later, some automatic assembly equipment appeared to increase production speed.

[0003] The technical solution of the Chinese patent document (application number 202121932193.6, patent name: A fully automatic lens assembly equipment) is: including a base, a dispensing mechanism, a flipping mechanism, a laser welding mechanism, a turntable mechanism and a robot grasping mechanism, the base includes a machine desktop and a bracket, the upper surface of the bracket is connected to the lower surface of the machine desktop, the dispensing mechanism includes a protective cover vibration disk, a robot dispensing device and a discharging device, the lower surface of the protective cover vibration disk is connected to the upper surface of the machine desktop, the lower surface of the robot dispensing device is connected to the upper surface of the machine desktop, and the lower surface of the discharging device is connected to the upper surface of the machine desktop. The utility model is a fully automatic lens assembly equipment, which adopts full-process automated control, can quickly and accurately assemble and weld the protective cover and lens after dispensing, improves production efficiency and dispensing and welding stability, and completes the three processes of dispensing, assembly and welding on the same equipment, thereby reducing manpower and logistics processes and improving production efficiency.

[0004] However, the above equipment only includes the lens assembly process, and does not include a mechanism for detecting the water tightness of the lens. Usually, it is best to set up a water tightness detection mechanism during the lens processing process to detect whether there is any leakage in the lens in time to ensure quality and avoid the occurrence of defective products. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art and provides a lens assembly device, which can achieve the function of watertight detection of the lens and avoid the generation of defective products.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] A lens assembly device comprises a frame, wherein a watertight test mechanism is arranged on the frame, wherein the watertight test mechanism comprises a plurality of test stations, wherein each of the test stations comprises a screw module, wherein a lifting and pressing cylinder is connected to a sliding seat of the screw module, wherein a bearing platform is arranged above the lifting and pressing cylinder, wherein the bearing platform comprises a mounting seat and an air charging channel, wherein the mounting seat is connected to the air charging channel;

[0008] Each of the test stations is equipped with a camera, and a sealed water injection mechanism is provided directly below the camera;

[0009] The sealing water injection mechanism is provided with an insertion space, and a closed chamber is formed when the mounting seat enters into the insertion space;

[0010] The closed chamber is connected with a water inlet pipe and a water outlet pipe.

[0011] Furthermore, the insertion space is provided with a limiting platform, and the limiting platform is used to limit the lens from entering the closed chamber; a first sealing ring is provided on the inner side of the limiting platform, and the first sealing ring is sealed with the lens.

[0012] Furthermore, the water inlet pipe and the water outlet pipe are fixed on the sealed water injection mechanism.

[0013] Furthermore, the sealing water injection mechanism includes a glass cover plate and a pressure plate, the glass cover plate is located above the closed chamber, the pressure plate is located above the glass cover plate, and the pressure plate is provided with screw holes; a second sealing ring is provided below the glass cover plate.

[0014] Furthermore, the camera is connected to a base, and the base is connected to a mounting plate; a plurality of mounting holes are longitudinally arranged on the mounting plate, and an elliptical hole is correspondingly arranged on the base.

[0015] Furthermore, the number of the test stations is six, which are arranged side by side.

[0016] Furthermore, one end of the inflation channel is connected to the inflation tube, and the other end extends to the bottom of the mounting seat.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] By providing a watertight testing mechanism, when the lens enters the insertion space driven by the carrying platform, water is then injected into the closed chamber, and then gas is injected through the inflation channel, and the water surface of the closed chamber is observed through a camera; if gas rises through the lens to the water surface in the closed chamber to form bubbles, it is a defective product, and if no bubbles are generated, it is a qualified product; this structure is ingeniously conceived and helps to reduce the production of defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a general diagram of the lens assembly equipment;

[0021] Figure 2 It is a three-dimensional diagram of the test station (the load-bearing platform and the sealing water injection mechanism are in a separated state);

[0022] Figure 3 It is a three-dimensional diagram of the test station (the load-bearing platform and the sealing water injection mechanism are in a connected state);

[0023] Figure 4 It is a cross-sectional view of the bearing platform and the sealing water injection mechanism in a separated state;

[0024] Figure 5 It is a cross-sectional view of the bearing platform and the sealing water injection mechanism in a connected state.

[0025] In the figure: 1. frame; 2. test station; 201. screw module; 202. lifting and clamping cylinder; 203. bearing platform; 2031. mounting seat; 2032. inflation channel; 3. camera; 4. sealing water injection mechanism; 401. insertion space; 4011. limit table; 4012. first sealing ring; 402. closed chamber; 403. glass cover; 404. pressure plate; 4041. screw hole; 405. second sealing ring; 5. water inlet pipe; 6. water outlet pipe; 7. base; 701. elliptical hole; 8. mounting plate; 801. mounting hole; 9. inflation tube; 10. lens. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] like Figures 1 to 5 As shown, a lens assembly device includes a frame 1, on which a watertight testing mechanism is arranged. The watertight testing mechanism includes a plurality of testing stations 2. In this embodiment, the number of the testing stations 2 is six and they are arranged side by side, so that a plurality of lenses can be watertightly tested at the same time.

[0028] Each test station 2 includes a screw module 201, and a rising and clamping cylinder 202 is connected to the sliding seat of the screw module 201. The screw module 201 is a prior art, comprising a guide rail frame, a motor, a screw and a screw nut. The motor drives the screw to rotate, and the screw and the screw nut are used in combination; the screw nut is connected to the sliding seat; the sliding seat is slidably arranged on the guide rail frame, and when the motor is started, it can drive the sliding seat to move on the guide rail frame. At this time, the prior art of the screw module 201 is not described here; in this embodiment, the screw module 201 drives the rising and clamping cylinder 202 to move.

[0029] A carrying platform 203 is arranged above the lifting and pressing cylinder 202, and the carrying platform 203 is provided with a mounting seat 2031 and an inflation channel 2032, and the mounting seat 2031 is connected with the inflation channel 2032; the lens 10 is fixed on the mounting seat 2031; each test station 2 is equipped with a camera 3, and a sealed water injection mechanism 4 is arranged directly below the camera 3; in this embodiment, the camera 3 is a CCD camera detector.

[0030] Combination Figure 3 as well as Figure 4 It can be seen that the sealed water injection mechanism is provided with an insertion space 401, and the insertion space 401 is for inserting the mounting seat 2031 and the lens 10. When the supporting platform 203 enters into the insertion space 401, a closed chamber 402 will be formed; the closed chamber 402 is connected with a water inlet pipe 5 and a water outlet pipe 6; which are used to inject water into or drain water from the closed chamber 402 respectively.

[0031] Insert the space 401 to set a limit table 4011, from Figure 4 As can be seen, the limit platform 4011 is used to limit the lens 10 from entering the closed chamber 402; a first sealing ring 4012 is provided on the inner side of the limit platform 4011. When the lens 10 is inserted, the first sealing ring 4012 is sealed with the lens 10, which can effectively prevent the water in the closed chamber 402 from penetrating downward.

[0032] The water inlet pipe 5 and the water outlet pipe 6 are fixed on the sealed water injection mechanism 4 and connected to the closed chamber 402 .

[0033] In addition, the sealed water injection mechanism 4 includes a glass cover plate 403 and a pressure plate 404. The glass cover plate 403 is located above the closed chamber 402. The pressure plate 404 is located above the glass cover plate 403. The pressure plate 404 is provided with a screw hole 4041. The pressure plate 404 and the glass cover plate 403 are fixed to the sealed water injection mechanism 4 by screwing screws into the screw holes 4041. A second sealing ring 405 is provided below the glass cover plate 403 to prevent the water in the closed chamber 402 from overflowing. The camera 3 can capture whether there are bubbles in the water in the closed chamber 402 through the glass cover plate 403.

[0034] The camera 3 is connected to the base 7, and the base 7 is connected to the mounting plate 8; a plurality of mounting holes 801 are longitudinally arranged on the mounting plate 8, and the base 7 is correspondingly provided with elliptical holes 701; by corresponding the elliptical holes 701 with different mounting holes 801, the camera 3 can be controlled to be installed at different heights, which has high flexibility.

[0035] One end of the air channel 2032 is connected to the air tube 9 , and the other end extends to the bottom of the mounting seat 2031 ; the air tube 9 is connected to an external air supply device, and air is injected into the lens 10 through the air tube 9 .

[0036] The working principle of the utility model is: after the lens 10 is placed on the mounting seat 2031, it is then moved to the bottom of the sealed water injection mechanism 4 under the action of the screw module 201, and the ascending and pressing cylinder 202 is ascended to make the mounting seat 2031 together with the lens 10 inserted into the insertion space 401, so that a closed chamber 402 is formed above the insertion space 401; at this time, water is injected into the closed chamber 402 through the water inlet pipe 5 (it does not need to be filled), and then the lens 10 is inflated through the inflation channel 2032 (the current lens 10 is a semi-finished product, hollow cylindrical); if gas passes through the lens 10 and rises to the water surface in the closed chamber 402 to form bubbles, it is a defective product, if no bubbles are generated, it is a qualified product; this structural design is ingenious and helps to reduce the production of defective products.

[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lens assembly device, characterized in that: It comprises a frame, on which a watertight test mechanism is arranged, and the watertight test mechanism comprises a plurality of test stations, each of which comprises a screw module, and a lifting and pressing cylinder is connected to a sliding seat of the screw module, and a bearing platform is arranged above the lifting and pressing cylinder, and the bearing platform is provided with a mounting seat and an air charging channel, and the mounting seat is connected to the air charging channel; Each of the test stations is equipped with a camera, and a sealed water injection mechanism is provided directly below the camera; The sealing water injection mechanism is provided with an insertion space, and a closed chamber is formed when the mounting seat enters into the insertion space; The closed chamber is connected with a water inlet pipe and a water outlet pipe.

2. The lens assembly device according to claim 1, characterized in that: The insertion space is provided with a limiting platform, and the limiting platform is used to limit the lens from entering the closed chamber; the inner side of the limiting platform is provided with a first sealing ring, and the first sealing ring is sealed and connected with the lens.

3. A lens assembly device according to claim 2, characterized in that: The water inlet pipe and the water outlet pipe are fixed on the sealed water injection mechanism.

4. The lens assembly device according to claim 1, characterized in that: The sealing water injection mechanism includes a glass cover plate and a pressure plate, wherein the glass cover plate is located above the closed chamber, the pressure plate is located above the glass cover plate, and the pressure plate is provided with screw holes; a second sealing ring is provided below the glass cover plate.

5. The lens assembly device according to claim 1, characterized in that: The camera is connected to the base, and the base is connected to the mounting plate; a plurality of mounting holes are longitudinally arranged on the mounting plate, and the base is correspondingly provided with elliptical holes.

6. The lens assembly device according to claim 1, characterized in that: The number of the test stations is six, which are arranged side by side.

7. The lens assembly device according to claim 1, characterized in that: One end of the inflation channel is connected to the inflation tube, and the other end extends to the bottom of the mounting seat.

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