Automatic grinding device for main lens cone of continuous zoom lens

Abstract

The utility model discloses an automatic grinding device for a main lens cone of a continuous zoom lens, which relates to the technical field of lens main lens cone processing and comprises a fixing ring, an adjusting component, a driving component and a limiting component, a rotating ring is rotatably arranged on the inner side of the fixing ring, a connecting plate is fixedly arranged on the edge of one side of the rotating ring, and an air cylinder is fixedly arranged on one side of the connecting plate. A grinding block is fixedly arranged at the output end of the air cylinder, the driving assembly is used for driving the rotating ring to rotate, and the adjusting assembly is used for driving the fixing ring to transversely move. The lens cone body is fixed to the center of the rotating ring through the limiting assembly, the air cylinder drives the grinding block to be attached to the outer wall of the lens cone body, the driving assembly drives the rotating ring to rotate, the rotating ring drives the grinding block to rotate with the lens cone body as the center, the outer wall of the lens cone body is ground, and the adjusting assembly transversely moves around the Z axis. The lens cone body is integrally ground, the machining efficiency is improved, and the product percent of pass is increased.

Description

Technical Field

[0001] The utility model relates to the field of lens main barrel processing, in particular to an automatic grinding device for a continuous zoom lens main barrel. Background Art

[0002] In modern optical technology, zoom lenses are widely used in a variety of fields, including photography, videography, surveillance, medical treatment, and scientific research, due to their ability to achieve continuous focal length changes without changing the lens position. However, high-precision manufacturing of the main lens barrel of a zoom lens has always been a challenging problem. As a key component of a zoom lens, the main lens barrel's surface quality and dimensional accuracy directly affect the lens' optical performance and image quality.

[0003] Traditionally, the grinding of the main mirror barrel relies primarily on manual labor. This method is not only inefficient, but also susceptible to the worker's skill level and experience, making it difficult to ensure product consistency and stability. Furthermore, manual grinding is labor-intensive, the working environment is harsh, and it poses certain risks to the worker's health. Utility Model Content

[0004] The utility model aims to solve the shortcoming of low efficiency of manual grinding of the main lens barrel in the prior art and proposes an automatic grinding device for the main lens barrel of a continuous zoom lens.

[0005] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions:

[0006] An automatic grinding device for the main barrel of a continuous zoom lens includes a fixed ring, an adjustment component, a drive component and a limit component. A rotating ring is rotatably provided inside the fixed ring, a connecting plate is fixedly provided on one edge of the rotating ring, a cylinder is fixedly provided on one side of the connecting plate, and a grinding block is fixedly provided on the output end of the cylinder. The drive component is used to drive the rotating ring to rotate, the adjustment component is used to drive the fixed ring to move laterally, and the limit component is used to fix the position of the barrel body.

[0007] Preferably, the adjustment assembly includes a fixed column, a screw is provided for rotation in the fixed column, a moving block is provided for sliding in the fixed column, the moving block is threadedly connected to the screw, the moving block is fixedly connected to the outer wall of the fixed ring, and a first motor for driving the screw to rotate is fixed at one end of the fixed column.

[0008] Preferably, the driving assembly includes a fixing frame, a second motor is fixedly provided on one side of the fixing frame, a gear is fixedly provided on the output end of the second motor, a plurality of tooth grooves are formed in an annular shape on the outer wall of the rotating ring, and the gears are meshed with the tooth grooves.

[0009] Preferably, the limiting assembly includes a circular disc, a fixed splint and a movable splint are symmetrically provided on one side of the circular disc, a lifting block is slidingly provided in the groove of the circular disc, one end of the lifting block is fixedly connected to the movable splint, a bolt is rotatably provided on the circular disc, and the bolt is threadedly connected to the lifting block.

[0010] Preferably, a support rod is fixedly provided on one side of the disc, and the lower end of the support rod is fixedly connected to the end of the fixed column.

[0011] Preferably, the outer wall of the fixing ring is provided with a plurality of connecting grooves in an annular shape, and the gears pass through the connecting grooves.

[0012] Preferably, two retaining rings are fixedly provided on the outer wall of the rotating ring, and the retaining rings are located in the groove in the middle of the fixed ring.

[0013] Preferably, the outer walls of the fixed clamping plate and the movable clamping plate are arc-shaped, and the outer walls are used to fit with the inner wall of the lens barrel body.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the utility model, the lens barrel body is fixed at the center position of the rotating ring by a limiting assembly, the cylinder drives the grinding block to fit the outer wall of the lens barrel body, and the rotating ring is driven to rotate by the driving assembly. The rotating ring drives the grinding block to rotate with the lens barrel body as the center to grind the outer wall of the lens barrel body. The lens barrel body is ground as a whole by moving horizontally along the Z axis through the adjustment assembly, thereby improving processing efficiency and product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the disc structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the drive assembly structure of the present utility model.

[0021] Serial numbers in the figure: 1. Fixed ring; 11. Rotating ring; 12. Connecting plate; 13. Cylinder; 14. Grinding block; 2. Adjusting assembly; 21. Fixed column; 22. Screw; 23. Moving block; 24. First motor; 3. Driving assembly; 31. Fixed frame; 32. Second motor; 33. Gear; 34. Tooth groove; 4. Limiting assembly; 41. Disc; 42. Fixed splint; 43. Moving splint; 44. Lifting block; 45. Bolt; 5. Support rod; 6. Connecting groove; 7. Retaining ring; 100. Lens barrel body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Example: This example provides an automatic grinding device for the main barrel of a continuous zoom lens, see Figure 1-4 Specifically, it includes a fixed ring 1, an adjusting component 2, a driving component 3 and a limiting component 4. A rotating ring 11 is rotatably provided on the inner side of the fixed ring 1. Two retaining rings 7 are fixed on the outer wall of the rotating ring 11. The retaining ring 7 is located in the groove in the middle of the fixed ring 1. A connecting plate 12 is fixed on one edge of the rotating ring 11. A cylinder 13 is fixed on one side of the connecting plate 12. A grinding block 14 is fixed on the output end of the cylinder 13. The driving component 3 is used to drive the rotating ring 11 to rotate, the adjusting component 2 is used to drive the fixed ring 1 to move laterally, and the limiting component 4 is used to fix the position of the lens barrel body 100.

[0024] The lens barrel body 100 is fixed at the center position of the rotating ring 11 by the limiting component 4, the cylinder 13 drives the grinding block 14 to fit the outer wall of the lens barrel body 100, and the rotating ring 11 is driven by the driving component 3 to rotate. The rotating ring 11 drives the grinding block 14 to rotate around the lens barrel body 100 to grind the outer wall of the lens barrel body 100, and then the lens barrel body 100 is moved horizontally along the Z axis by the adjusting component 2 to grind the entire lens barrel body 100, thereby improving processing efficiency and product qualification rate.

[0025] In the specific implementation process, Figure 1 and Figure 2 As shown, the adjustment assembly 2 includes a fixed column 21, a screw 22 is rotatably provided in the fixed column 21, a moving block 23 is slidably provided in the fixed column 21, the moving block 23 is threadedly connected to the screw 22, and the moving block 23 is fixedly connected to the outer wall of the fixed ring 1. A first motor 24 for driving the screw 22 to rotate is fixed at one end of the fixed column 21;

[0026] The first motor 24 drives the screw 22 to rotate, and the screw 22 drives the moving block 23 in the groove of the fixed column 21 to move horizontally. The moving block 23 drives the fixed ring 1 to move horizontally as a whole to adjust the position of the grinding block 14.

[0027] In the specific implementation process, Figure 2 and Figure 4 As shown, the drive assembly 3 includes a fixed frame 31, a second motor 32 is fixed to one side of the fixed frame 31, a gear 33 is fixed to the output end of the second motor 32, a plurality of tooth grooves 34 are formed in an annular shape on the outer wall of the rotating ring 11, and the gears 33 are engaged with the tooth grooves 34, and a plurality of connecting grooves 6 are formed in an annular shape on the outer wall of the fixed ring 1, and the gears 33 pass through the connecting grooves 6;

[0028] The second motor 32 drives the gear 33 to rotate, and the gear 33 drives the rotating ring 11 to rotate along the fixed ring 1 through the tooth groove 34. The rotating ring 11 drives the connecting plate 12, the cylinder 13 and the grinding block 14 to rotate synchronously, and the grinding block 14 grinds the outer wall of the lens barrel body 100.

[0029] In the specific implementation process, Figure 2 and Figure 3 As shown, the limit assembly 4 includes a disk 41, and a fixed splint 42 and a movable splint 43 are symmetrically provided on one side of the disk 41. A lifting block 44 is slidably provided in the groove of the disk 41, and one end of the lifting block 44 is fixedly connected to the movable splint 43. A bolt 45 is rotatably provided on the disk 41, and the bolt 45 is threadedly connected to the lifting block 44. The outer walls of the fixed splint 42 and the movable splint 43 are arc-shaped, and the outer walls are used to fit with the inner wall of the lens barrel body 100. A support rod 5 is fixedly provided on one side of the disk 41, and the lower end of the support rod 5 is fixedly connected to the end of the fixed column 21;

[0030] By turning the bolt 45, the bolt 45 rotates on the disk 41, driving the lifting block 44 in the groove of the disk 41 to move, and the lifting block 44 drives the movable clamping plate 43 to move. The movable clamping plate 43 and the fixed clamping plate 42 are both fitted with the inner wall of the lens barrel body 100, fixing the lens barrel body 100 at the center position of the rotating ring 11, making it convenient to evenly polish the outer wall of the lens barrel body 100.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Automatic grinding device for the main barrel of a continuous zoom lens, characterized by: The invention comprises a fixed ring (1), an adjusting assembly (2), a driving assembly (3) and a limiting assembly (4); a rotating ring (11) is rotatably provided inside the fixed ring (1); a connecting plate (12) is fixedly provided on one edge of the rotating ring (11); a cylinder (13) is fixedly provided on one side of the connecting plate (12); a grinding block (14) is fixedly provided on the output end of the cylinder (13); the driving assembly (3) is used to drive the rotating ring (11) to rotate; the adjusting assembly (2) is used to drive the fixed ring (1) to move laterally; and the limiting assembly (4) is used to fix the position of the lens barrel body (100).

2. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 1, characterized in that: The adjusting assembly (2) comprises a fixed column (21), a screw rod (22) is rotatably provided in the fixed column (21), a moving block (23) is slidably provided in the fixed column (21), the moving block (23) is threadedly connected to the screw rod (22), the moving block (23) is fixedly connected to the outer wall of the fixed ring (1), and a first motor (24) for driving the screw rod (22) to rotate is fixedly provided at one end of the fixed column (21).

3. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 1, characterized in that: The driving assembly (3) comprises a fixing frame (31), a second motor (32) is fixedly provided on one side of the fixing frame (31), a gear (33) is fixedly provided on the output end of the second motor (32), a plurality of tooth grooves (34) are formed in an annular shape on the outer wall of the rotating ring (11), and the gear (33) is meshed with the tooth grooves (34).

4. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 1, characterized in that: The limiting assembly (4) comprises a disc (41), a fixed clamping plate (42) and a movable clamping plate (43) are symmetrically provided on one side of the disc (41), a lifting block (44) is slidably provided in the groove of the disc (41), one end of the lifting block (44) is fixedly connected to the movable clamping plate (43), a bolt (45) is rotatably provided on the disc (41), and the bolt (45) is threadedly connected to the lifting block (44).

5. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 4, characterized in that: A support rod (5) is fixedly provided on one side of the disc (41), and the lower end of the support rod (5) is fixedly connected to the end of the fixing column (21).

6. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 3, characterized in that: The outer wall of the fixing ring (1) is provided with a plurality of connecting grooves (6) in an annular shape, and the gear (33) passes through the connecting grooves (6).

7. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 1, characterized in that: Two retaining rings (7) are fixedly provided on the outer wall of the rotating ring (11), and the retaining rings (7) are located in the groove in the middle of the fixed ring (1).

8. The automatic grinding device for the main barrel of a continuous zoom lens according to claim 4, characterized in that: The outer walls of the fixed clamping plate (42) and the movable clamping plate (43) are arc-shaped, and the outer walls are used to fit with the inner wall of the lens barrel body (100).

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