Locking device for assembling lens pressing ring
Through the motor-driven jaw cylinder system, the precise locking of the lens press ring is achieved, the stability and accuracy problems caused by manual operation are solved, and the production efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421691602.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-17
AI Technical Summary
In the existing lens assembly technology, the lock attachment of the press ring relies on manual operation, resulting in different torsional force of different operators, resulting in reduced product stability and accuracy, and low manual efficiency.
A locking device for assembling lens press ring is designed, using a motor to drive the claw cylinder, clamp the press ring through the claw body, and the pinch rod is against the lens, and the motor provides accurate locking torque and downforce.
The precise assembly of the press ring is achieved, ensuring the consistent locking height of the lens, and improving assembly efficiency and product quality.
Smart Images

Figure CN222932149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens assembly, and particularly relates to a locking device for assembling a lens retaining ring. Background Technique
[0002] In lens assembly, the lens is fixed on the lens barrel through a retaining ring. In the prior art, the retaining ring is locked manually. After wearing the working finger cots, the operator assembles and twists the retaining ring to tighten the retaining ring on the lens barrel. However, due to the different forces applied by different operators to twist the retaining ring, there are certain differences in the tightening degree of the retaining rings of different batches of products, resulting in a decrease in the stability and accuracy of the products. Moreover, the efficiency of manual operation is low, which is not conducive to improving production efficiency. Content of the Utility Model
[0003] The purpose of the utility model is to provide a locking device for assembling a lens retaining ring to solve the problems raised in the above background technique.
[0004] To solve the above technical problems, the utility model provides the following technical solution: A locking device for assembling a lens retaining ring includes a motor. The output end of the motor is fixedly connected with a jaw cylinder. The output end of the jaw cylinder is fixedly connected with a ejector rod. Three moving blocks are evenly distributed on the outer side of the ejector rod, and the three moving blocks are all slidably connected to the jaw cylinder. The three moving blocks are all fixedly connected to the output end of the jaw cylinder. A connecting block is fixedly connected to the moving block, and a jaw body is fixedly connected to the connecting block. A fixture is arranged at the bottom end of the ejector rod, and a base is fixedly connected to the fixture.
[0005] Preferably, an air pipe interface is opened on the jaw cylinder.
[0006] Preferably, a first mounting hole is opened on the connecting block, and a second mounting hole is opened on the jaw body at a position corresponding to the first mounting hole.
[0007] Preferably, an arc surface is opened on one outer wall of the jaw body.
[0008] Preferably, a third mounting hole is opened on the lower surface of the base, and a fifth mounting hole is opened on the fixture at a position corresponding to the third mounting hole.
[0009] Preferably, four fourth mounting holes are evenly distributed outside the third mounting hole, and the fourth mounting holes are opened on the base.
[0010] A lens retaining ring assembling and locking device provided by the utility model has the following advantages: the utility model uses a jaw cylinder to drive the jaw body to clamp the retaining ring, drives the ejector rod to abut against the lens, and uses a motor to drive the jaw cylinder to rotate, so as to provide accurate locking torque and locking downward pressure, which can effectively prevent the lens from rotating, make the retaining ring assembled accurately in place, ensure that the assembled lens has a consistent locking height, and effectively improve the assembly efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0012] Figure 1 is an exploded perspective view of the overall three-dimensional structure of the present utility model;
[0013] Figure 2 is a schematic bottom view structure diagram of the connecting block of the present utility model;
[0014] Figure 3 is a schematic bottom view structure diagram of the jaw body of the present utility model;
[0015] Figure 4 is a schematic front sectional view structure diagram when the fixture of the present utility model assembles the lens barrel.
[0016] In the figure: 1, motor; 11, jaw cylinder; 12, air pipe interface; 13, ejector rod; 14, moving block; 15, connecting block; 16, first mounting hole; 17, jaw body; 18, second mounting hole; 19, arc surface; 2, base; 21, third mounting hole; 22, fourth mounting hole; 23, fixture; 24, fifth mounting hole; 4, lens barrel; 5, lens; 6, retaining ring body. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.
[0018] Please refer to the attached Figure 1 - attached Figure 4The utility model provides an embodiment: a locking device for assembling a lens pressing ring, comprising a motor 1, wherein the output end of the motor 1 is fixedly connected to a clamping cylinder 11, and the output end of the clamping cylinder 11 is fixedly connected to a push rod 13, and three moving blocks 14 are evenly distributed on the outer side of the push rod 13, and the three moving blocks 14 are all slidably connected to the clamping cylinder 11, and the three moving blocks 14 are all fixedly connected to the output end of the clamping cylinder 11, and a connecting block 15 is fixedly connected to the moving block 14, and a clamping body 17 is fixedly connected to the connecting block 15, and a fixture 23 is provided at the bottom end of the push rod 13, and a base 2 is fixedly connected to the fixture 23, the motor 1 is used to drive the clamping cylinder 11 to rotate, the push rod 13 is used to support the lens 5 to prevent the lens 5 from rotating, the connecting block 15 is used to connect the moving block 14 and the clamping body 17, so that the clamping body 17 can be disassembled and replaced, and the clamping body 17 is used to clamp the pressing ring. The clamp body 6 is provided with a fixture 23 for carrying the lens barrel 4, and the base 2 is used to install the fixture 23 on the workbench; the clamping jaw cylinder 11 is provided with an air pipe interface 12, and the air pipe interface 12 is used to install the air pipe; the connecting block 15 is provided with a first mounting hole 16, and the clamping jaw body 17 is provided with a second mounting hole 18 at a position corresponding to the first mounting hole 16, and the first mounting hole 16 and the second mounting hole 18 are both used to install screws; an arc surface 19 is provided on an outer wall of one side of the clamping jaw body 17, and the arc surface 19 is used to fit the pressure ring body 6; a third mounting hole 21 is provided on the lower surface of the base 2, and a fifth mounting hole 24 is provided at a position corresponding to the third mounting hole 21 on the fixture 23, and the third mounting hole 21 and the fifth mounting hole 24 are both used to install screws; four fourth mounting holes 22 are evenly distributed on the outer side of the third mounting hole 21, and the fourth mounting hole 22 is provided on the base 2, and the fourth mounting hole 22 is used to install screws.
[0019] Working principle: When the lens barrel 4, the lens 5 and the pressure ring body 6 are assembled by using the utility model, the action of the push rod 13 and the clamping claw body 17 is controlled by the clamping claw cylinder 11, the clamping claw cylinder 11 drives the push rod 13 to extend and press against the lens 5, and at the same time drives the moving block 14 to move toward the center direction, the moving block 14 drives the clamping claw body 17 through the connecting block 15, the clamping claw body 17 clamps the pressure ring body 6, and then starts the motor 1, the motor 1 drives the clamping claw cylinder 11 to rotate, so that the pressure ring body 6 is tightened on the lens barrel 4, so as to realize the assembly work; wherein, the trachea interface 12 is used to connect the trachea to provide pneumatic thrust for the clamping claw cylinder 11, the arc surface 19 is used to fit the pressure ring body 6, the fixture 23 is used to carry the lens barrel 4, the base 2 is used to install the fixture 23 on the workbench, and the first mounting hole 16, the second mounting hole 18, the third mounting hole 21, the fourth mounting hole 22 and the fifth mounting hole 24 are all used to install screws.
[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0021] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.
[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.
Claims
1. A locking device for assembling a lens pressing ring, comprising a motor (1), characterized in that: The output end of the motor (1) is fixedly connected to a clamping cylinder (11), the output end of the clamping cylinder (11) is fixedly connected to a push rod (13), three moving blocks (14) are evenly distributed on the outer side of the push rod (13), and the three moving blocks (14) are all slidably connected to the clamping cylinder (11), the three moving blocks (14) are all fixedly connected to the output end of the clamping cylinder (11), the moving blocks (14) are fixedly connected to a connecting block (15), the connecting block (15) is fixedly connected to a clamping body (17), and a fixture (23) is provided at the bottom end of the push rod (13), and the fixture (23) is fixedly connected to a base (2).
2. The locking device for assembling a lens pressing ring according to claim 1, characterized in that: The clamping jaw cylinder (11) is provided with an air pipe interface (12).
3. The locking device for assembling a lens pressing ring according to claim 1, characterized in that: The connecting block (15) is provided with a first mounting hole (16), and the clamping jaw body (17) is provided with a second mounting hole (18) at a position corresponding to the first mounting hole (16).
4. The locking device for assembling a lens pressing ring according to claim 3, characterized in that: An arc surface (19) is provided on one side outer wall of the clamping jaw body (17).
5. The locking device for assembling a lens pressing ring according to claim 1, characterized in that: A third mounting hole (21) is provided on the lower surface of the base (2), and a fifth mounting hole (24) is provided on the fixture (23) at a position corresponding to the third mounting hole (21).
6. The locking device for assembling a lens pressing ring according to claim 5, characterized in that: Four fourth mounting holes (22) are evenly distributed on the outer side of the third mounting hole (21), and the fourth mounting holes (22) are opened on the base (2).