Auxiliary screwing-in device for lens ring

Abstract

The utility model relates to the technical field of lens production, in particular to an auxiliary screwing-in device for a lens ring, which comprises a mounting frame, a sliding rail is fixedly mounted on the back of the mounting frame, a positioning sliding block is slidably mounted in the sliding rail, a mounting plate is fixedly mounted on the upper surface of the positioning sliding block, and a threaded block is fixedly mounted on the bottom surface of the positioning sliding block. The auxiliary screwing-in device for the lens ring is installed on a working table of a lens screwing-in device, the servo motor is started, the lead screw is driven to rotate, the threaded block and the positioning sliding block are driven to move in the sliding rail, the working plate and the lens ring pressing ring are conveniently moved to the position over a lens barrel on the working table, accurate positioning is achieved, and the working efficiency is improved. And then, the inner wall of the lens barrel is subjected to glue dispensing, the lens ring is placed in the lens barrel, then a second servo motor is started to drive a second lead screw, a working plate is driven to move downwards, a lens ring pressing ring is driven to move downwards to press the lens ring, meanwhile, a working table drives the lens barrel to rotate, and the lens ring is conveniently screwed into the lens barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lens production technical field, concretely is a lens ring auxiliary screwing in device. BACKGROUND

[0002] SLR cameras, full name for single-lens reflex cameras, are a popular camera type that uses one lens and directs light to the viewfinder through a mirror and prism system, allowing photographers to see the scene they are about to photograph directly through the lens.

[0003] The single-lens reflex camera lens needs to be installed with a lens ring for beautification on the outermost part during production. The existing equipment may fail to install the lens ring to the bottom during installation, affecting the quality of the produced lens. Therefore, a lens ring auxiliary screwing in device is proposed. SUMMARY

[0004] The utility model discloses a lens ring auxiliary screwing in device to solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A lens ring auxiliary screwing in device, comprising a mounting frame, a slide rail is fixedly installed on the back of the mounting frame, a positioning sliding block is slidably installed in the slide rail, an installation plate is fixedly installed on the upper surface of the positioning sliding block, a threaded block is fixedly installed on the bottom surface of the positioning sliding block, a servo motor is fixedly installed on the back of the mounting frame, a lead screw is fixedly connected to the output end of the servo motor, the threaded block is threadedly connected with the lead screw, a support plate is fixedly installed at the top end of the installation plate, a servo motor two is fixedly installed on the back of the installation plate, a lead screw two is fixedly connected to the output end of the servo motor two, the lead screw two extends above the support plate, a work plate is screwedly assembled on the outer surface of the lead screw two, and a lens ring pressing ring is fixedly installed on the bottom surface of one end of the work plate facing the front of the installation plate.

[0007] Preferably, the top end of the lead screw two is provided with a top support plate, two limiting slide rods are fixedly installed between the top support plate and the support plate, and two sleeve pipes are fixedly installed on the work plate and slidably arranged on the outer surface of the limiting slide rods.

[0008] Preferably, two slide rails two are fixedly installed on the side surfaces of the top support plate and the support plate, three sliding blocks are slidably installed on the slide rails two, three installation blocks are fixedly installed on the side surfaces of the three sliding blocks, an elevation limit sensor, an origin sensor and a descent limit sensor are sequentially installed from top to bottom on the three installation blocks, and a detection plate is fixedly installed on the back of the work plate and matched with the positions of the installation blocks.

[0009] Preferably, threaded grooves are formed in the installation blocks, and bolts are arranged in the threaded grooves.

[0010] Preferably, the back of the mounting frame and the mounting plate are fixedly provided with protective shells, and the servo motor and the servo motor two are arranged in the protective shells.

[0011] Compared with the prior art, the lens ring auxiliary screwing device has the following beneficial effects:

[0012] The lens ring auxiliary screwing device is installed on the workbench of the lens screwing device, the servo motor is started, the lead screw is driven to rotate, the threaded block and the positioning sliding block are driven to move in the slide rail, the work plate and the lens ring compression ring are conveniently moved to the top of the lens barrel on the workbench, accurate positioning is realized, the inner wall of the lens barrel is glued, the lens ring is placed in the inside of the lens barrel, the servo motor two is started to drive the lead screw two, the work plate is driven to move downward, the lens ring compression ring is driven to move downward to compress the lens ring, and the workbench drives the lens barrel to rotate, so that the lens ring is conveniently screwed into the inside of the lens barrel.

[0013] The lens ring auxiliary screwing device, the lifting limiting sensor, the original point sensor and the lowering limiting sensor are used for detecting the position of the detection plate, the device is ensured to work in a safe range, accurate control of the servo motor can realize accurate assembly of the lens ring, and assembly efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is Figure 1 It is a structure enlarged view of A in the middle;

[0016] Figure 3 It is a back structural schematic view of the utility model;

[0017] Figure 4 It is a structural schematic view of the utility model after the protective shell is removed.

[0018] In the drawing: 1, mounting frame; 2, slide rail; 3, positioning sliding block; 4, threaded block; 5, servo motor; 6, lead screw; 7, mounting plate; 8, servo motor two; 9, support plate; 10, work plate; 11, lens ring compression ring; 12, lead screw two; 13, top support plate; 14, limiting slide rod; 15, slide rail two; 16, mounting block; 17, lifting limiting sensor; 18, protective shell; 19, detection plate; 20, threaded groove; 21, lowering limiting sensor. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4A lens ring auxiliary screwing-in device, comprising a mounting frame 1, a slide rail 2 fixedly installed on the back of the mounting frame 1, a positioning sliding block 3 slidingly installed in the slide rail 2, an installation plate 7 fixedly installed on the upper surface of the positioning sliding block 3, a threaded block 4 fixedly installed on the bottom surface of the positioning sliding block 3, a servo motor 5 fixedly installed on the back of the mounting frame 1, a lead screw 6 fixedly connected to the output end of the servo motor 5, the threaded block 4 being in threaded connection with the lead screw 6, a support plate 9 fixedly installed at the top end of the installation plate 7, a servo motor two 8 fixedly installed on the back of the installation plate 7, a lead screw two 12 fixedly connected to the output end of the servo motor two 8, the lead screw two 12 extending above the support plate 9, and a working plate 10 screwedly assembled on the outer surface of the lead screw two 12, the working plate 10 being fixedly installed on the bottom surface of one end of the front face of the installation plate 7 and facing the lens ring compression ring 11.

[0020] By starting the servo motor 5, the lead screw 6 is driven to rotate, the threaded block 4 and the positioning sliding block 3 are driven to move in the slide rail 2, the working plate 10 together with the lens ring compression ring 11 are conveniently moved to the exact position above the lens barrel on the workbench, accurate positioning is realized, the lead screw two 12 is driven by starting the servo motor two 8, the working plate 10 is driven to move downward, the lens ring compression ring 11 is driven to move downward to compress the lens ring, and the workbench drives the lens barrel to rotate, which facilitates the lens ring to be screwed into the interior of the lens barrel.

[0021] The top end of the lead screw two 12 is provided with a top support plate 13, two limiting slide rods 14 are fixedly installed between the top support plate 13 and the support plate 9, two sleeve pipes are fixedly installed on the working plate 10 and slidingly arranged on the outer surfaces of the limiting slide rods 14, and the limiting slide rods 14 are used for limiting the support plate 9, preventing the support plate 9 from rotating with the lead screw two 12 and affecting the normal operation of the device.

[0022] Referring to Figure 1 and 2 , the side faces of the top support plate 13 and the support plate 9 are fixedly installed with a slide rail two 15, three sliding blocks are slidingly installed on the slide rail two 15, the side faces of the three sliding blocks are fixedly installed with installation blocks 16, the three installation blocks 16 are sequentially installed with a lifting limiting sensor 17, an original point sensor and a lowering limiting sensor 21 from top to bottom, a detection plate 19 is fixedly installed on the back of the working plate 10, the detection plate 19 is matched with the positions of the installation blocks 16, the lifting limiting sensor 17, the original point sensor and the lowering limiting sensor 21 are used for detecting the position of the detection plate, ensuring that the device works within a safe range, and the lifting limiting sensor 17, the original point sensor and the lowering limiting sensor 21 can slide on the slide rail two 15 through the installation blocks 16, facilitating the adjustment of the positions of the three sensors.

[0023] The threaded groove 20 is provided with a bolt, the position of the mounting block 16 on the slide rod two 15 can be locked by tightening the bolt, the position of the lifting limit sensor 17, the origin sensor and the lowering limit sensor 21 can be fixed conveniently.

[0024] Further, the back surface of the mounting rack 1 and the mounting plate 7 is fixedly provided with a protective shell 18, the servo motor 5 and the servo motor two 8 are arranged in the protective shell 18, for protecting the servo motor and other precise components, improving the service life of the device.

[0025] Working principle: the lens ring auxiliary screwing device is installed on the workbench of the lens screwing device, the servo motor 5 is started to drive the screw rod 6 to rotate, the threaded block 4 and the positioning sliding block 3 are driven to move in the slide rail 2, the work plate 10 and the lens ring compression ring 11 are moved to the top of the lens barrel on the workbench, accurate positioning is realized, then the inner wall of the lens barrel is glued, the lens ring is placed in the inside of the lens barrel, then the servo motor two 8 is started to drive the screw rod two 12, the work plate 10 is driven to move downwards, the lens ring compression ring 11 is driven to move downwards to compress the lens ring, at the same time, the workbench drives the lens barrel to rotate, the lens ring is screwed into the inside of the lens barrel conveniently;

[0026] The lifting limit sensor 17, the origin sensor and the lowering limit sensor 21 are used for detecting the position of the detection plate 19, ensuring that the device works in a safe range, through the accurate control of the servo motor, the accurate assembly of the lens ring can be realized, the assembly efficiency and quality are improved.

Claims

1. A lens ring auxiliary screwing-in device comprising a mounting frame (1), characterized in that: The back surface of mounting frame (1) is fixedly installed with slide rail (2), the inside of slide rail (2) is slidably installed with positioning sliding block (3), the upper surface of positioning sliding block (3) is fixedly installed with mounting plate (7), the bottom surface of positioning sliding block (3) is fixedly installed with threaded block (4), the back surface of mounting frame (1) is fixedly installed with servo motor (5), the output end of servo motor (5) is fixedly connected with lead screw (6), threaded block (4) is in threaded connection with lead screw (6), the top end of mounting plate (7) is fixedly installed with support plate (9), the back surface of mounting plate (7) is fixedly installed with servo motor two (8), the output end of servo motor two (8) is fixedly connected with lead screw two (12), lead screw two (12) extends to the above of support plate (9), the outer surface of lead screw two (12) is screw-connected with work plate (10), the bottom surface of one end of work plate (10) towards the front surface of mounting plate (7) is fixedly installed with lens ring pressing ring (11).

2. A lens ring auxiliary screwing-in device according to claim 1, characterized in that: The top end of lead screw two (12) is provided with top support plate (13), two limiting slide rods (14) are fixedly installed between top support plate (13) and support plate (9), two sleeve pipes are fixedly installed on work plate (10), the sleeve pipes are slidably arranged on the outer surface of limiting slide rod (14).

3. A lens ring assisted screwing-in device according to claim 2, characterized in that: The side surface of top support plate (13) and support plate (9) is fixedly installed with slide rail two (15), three slide blocks are slidably installed on slide rail two (15), the side surface of three slide blocks is fixedly installed with mounting block (16), three mounting blocks (16) are sequentially installed with lifting limit sensor (17), origin sensor and lowering limit sensor (21) from top to bottom, the back surface of work plate (10) is fixedly installed with detection plate (19), the position of detection plate (19) is matched with mounting block (16).

4. A lens ring assisted screwing-in device according to claim 3, characterized in that: Threaded grooves (20) are formed in mounting block (16), bolts are arranged in threaded grooves (20).

5. The lens ring assisted screwing-in device according to claim 1, characterized in that: The back surface of mounting frame (1) and mounting plate (7) is fixedly installed with protection shell (18), servo motor (5) and servo motor two (8) are arranged in the inside of protection shell (18).

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