Multi-piece laser field lens

Abstract

The utility model relates to the technical field of optical lenses, and discloses a multi-piece laser field lens, which comprises a connecting piece and a clamping mechanism, a placement frame is sleeved in the connecting piece, the inner wall of the placement frame is fixedly connected with a limiting block, the inner wall of the placement frame is sleeved with a pulling plate, the placement frame is in sliding connection with the pulling plate, and the clamping mechanism is fixedly connected with the limiting block. A pull ring is fixedly connected to the outer wall of the pull plate, a connecting column is fixedly connected to the outer wall of the pull plate, a U-shaped clamping plate is fixedly connected to the side, away from the pull plate, of the connecting column, and the outer wall of the connecting column is sleeved with a reset spring. According to the multi-piece type laser field lens, through the arrangement of the clamping mechanism, the device can place a light lens, a U-shaped clamping plate can clamp the light lens, then through the arrangement of a reset spring, the device can fix the light lens when the light lens is replaced, and meanwhile, the device can recover the light lens to prevent the light lens from being damaged when the device is recovered.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lenses, in particular to a multi-piece laser field lens. Background Art

[0002] In modern industrial production, the use of lasers for marking, welding and other operations can greatly improve processing accuracy and production efficiency. The laser field mirror is installed at the end of the laser scanning mirror to form a focal plane. Without changing the optical characteristics of the optical system, the imaging beam position is changed to obtain a focal plane of a certain format, and laser marking, laser welding, laser cleaning, 3D printing, etc. are achieved on this plane. The laser field mirror is usually composed of a combination of several lenses, so the coaxiality, parallelism and distance between lenses of the lens group play a vital role in the performance of the laser field mirror. Due to design reasons, ordinary laser field mirrors often fail to achieve sufficient assembly accuracy, resulting in the coaxiality, parallelism and lens spacing accuracy of the lens failing to meet the requirements.

[0003] The existing multi-piece laser field mirror can refer to the Chinese utility model patent with the authorization announcement number CN206193313U, which discloses a multi-piece laser field mirror, including a trumpet-shaped lens barrel with open ends and a stepped structure on the inner wall, and a lens group, a spacer ring group and a pressure ring group are fixedly arranged in the lens barrel. The multi-piece laser field mirror of the utility model has the advantages of high lens coaxiality and parallelism, precise lens spacing, high lens effective utilization rate, and better focusing performance.

[0004] In view of the above, although it avoids the interference caused by light reflection outside the lens barrel, the light source on the optical mirror is easy to disperse during the use of the equipment, resulting in low light source conversion efficiency when the optical mirror is working, and the optical mirror is easily damaged when the equipment is stored after use. In view of this, how to solve the problem of easy dispersion of the light source of the equipment and easy damage of the optical mirror is the technical difficulty that the utility model needs to solve. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a multi-piece laser field mirror, which has the advantages of strong practicability and good stability, and solves the problems that the optical mirror is easy to be damaged and the light source of the equipment is easy to disperse during detection.

[0006] The utility model provides the following technical solution: a multi-piece laser field mirror, comprising a connecting piece and a clamping mechanism, wherein a mounting frame is sleeved inside the connecting piece, the inner wall of the mounting frame is fixedly connected to a limiting block, the inner wall of the mounting frame is sleeved with a pull plate, and the mounting frame and the pull plate are slidably connected, the outer wall of the pull plate is fixedly connected to a pull ring, the outer wall of the pull plate is fixedly connected to a connecting column, the connecting column is fixedly connected to a U-shaped clamping plate on a side away from the pull plate, and the outer wall of the connecting column is sleeved with a reset spring.

[0007] As a preferred technical solution of the utility model, the outer wall of the connecting piece is fixedly connected to a connecting pipe, the connecting piece is fixedly connected to a shell on the side away from the connecting pipe, the inner wall of the shell is provided with a sleeve groove, the inner wall of the shell is provided with a mounting mechanism, and the outer wall of the shell is provided with a sealing cover.

[0008] As a preferred technical solution of the utility model, the inner wall of the shell is fixedly connected with a mounting ring, the outer wall of the mounting ring is provided with a plurality of slots, the plurality of slots are distributed in a circular array on the outer wall of the mounting ring, and a storage groove is provided on the top of the mounting ring.

[0009] As a preferred technical solution of the utility model, a protective cover shell is provided on the outer wall of the shell, a fixing ring is fixedly connected to the outer wall of the protective cover shell, and the sleeve groove is sleeved with the fixing ring.

[0010] As a preferred technical solution of the present utility model, the diameter of the return spring is much larger than the diameter of the connecting column.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The multi-piece laser field mirror is provided with a clamping mechanism so that the device can place the optical mirror, and the U-shaped clamping plate can clamp the optical mirror. Then, by providing a reset spring, the device can fix the optical mirror when replacing it, and also can recycle the optical mirror when recycling it to avoid damage to the optical mirror.

[0013] 2. The multi-piece laser field mirror is provided with a sealing cover so that when the device is working, the protective cover shell can seal the shell, so that the device is in a closed state when working, thereby improving the detection efficiency of the optical mirror when the device is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a multi-piece laser field mirror;

[0015] Figure 2 It is a structural schematic diagram of a middle sleeve groove of a multi-piece laser field mirror;

[0016] Figure 3 It is a structural schematic diagram of a middle sealing cover of a multi-piece laser field mirror;

[0017] Figure 4 It is a structural schematic diagram of a middle clamping mechanism of a multi-piece laser field mirror;

[0018] Figure 5 The figure is a schematic diagram of the structure of the central mounting mechanism of a multi-piece laser field mirror.

[0019] In the figure: 1. Connecting piece; 2. Connecting pipe; 3. Shell; 4. Sealing cover; 41. Protective cover shell; 42. Fixed collar; 5. Clamping mechanism; 51. Mounting frame; 52. Limiting block; 53. Pull plate; 54. Pull ring; 55. Reset spring; 56. U-shaped clamping plate; 57. Connecting column; 6. Slot; 7. Mounting mechanism; 71. Mounting ring; 72. Slot; 73. Storage slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5A multi-piece laser field mirror comprises a connecting member 1 and a clamping mechanism 5, wherein a mounting frame 51 is sleeved inside the connecting member 1, a limiting block 52 is fixedly connected to the inner wall of the mounting frame 51, a pull plate 53 is sleeved to the inner wall of the mounting frame 51, and the mounting frame 51 and the pull plate 53 are slidably connected, a pull ring 54 is fixedly connected to the outer wall of the pull plate 53, a connecting column 57 is fixedly connected to the outer wall of the pull plate 53, a U-shaped clamping plate 56 is fixedly connected to the connecting column 57 on the side away from the pull plate 53, a reset spring 55 is sleeved to the outer wall of the connecting column 57, wherein a U-shaped card slot is provided on the outer wall of the U-shaped clamping plate 56, so that it can fix the lens placed inside the device, and it can also facilitate the later maintenance and replacement of the device, and at the same time, by setting the limiting The block 52 can also limit the sliding pull plate 53 and prevent the lens fixed inside it from falling off. The outer wall of the connecting member 1 is fixedly connected to the connecting tube 2. The connecting member 1 is fixedly connected to the shell 3 on the side away from the connecting tube 2. The inner wall of the shell 3 is provided with a sleeve groove 6. The inner wall of the shell 3 is provided with a mounting mechanism 7. The outer wall of the shell 3 is provided with a sealing cover 4. The setting of the sleeve groove 6 can facilitate the fixation of the shell 3 and the sealing cover 4. The connecting member 1, the connecting tube 2, and the shell 3 are an integrated device, which can also facilitate the use of the device. The inner wall of the shell 3 is fixedly connected to the mounting ring 71. The outer wall of the mounting ring 71 is provided with a plurality of card grooves 72. The plurality of card grooves 72 are distributed in a circular array on the outer wall of the mounting ring 71. A storage groove 73 is provided on the top of the mounting ring 1. Among them, 72 distributed in a circular array can also support and fix the lens placed outside the mounting ring 71, and can also effectively prevent the lens from being damaged by bumps. At the same time, the storage groove 73 can also accommodate the fixed lens. The outer wall of the shell 3 is provided with a protective cover shell 41, and the outer wall of the protective cover shell 41 is fixedly connected with a fixing ring 42. The sleeve groove 6 is socketed with the fixing ring 42, wherein the sealing cover 4 and the shell 3 are fixed by the socketing action, and the protective cover shell 41 and the fixing ring 42 are both made of rubber material, which makes the equipment easy to load and unload, and can also effectively prevent external dust and impurities from entering the interior of the equipment to cause pollution to the equipment. The diameter of the reset spring 55 is much larger than the diameter of the connecting column 57, wherein the reset spring 55 is in contact with the limit block 52, so that the limit block 52 can limit the reset spring 55, and also protect the connecting column 57.

[0022] Working principle: when the device needs to be used, the lens is fixed on the mounting ring 71, and then the protective cover shell 41 can be placed on the outer wall of the shell 3 through the socketing action of the fixing ring 42 and the sleeve groove 6. At the same time, the operator pulls the pull ring 54 to compress the reset spring 55, and the U-shaped clamping plate 56 can also replace the lens buckled inside it.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-piece laser field mirror, comprising a connecting member (1) and a clamping mechanism (5), characterized in that: The interior of the connecting member (1) is sleeved with a placement frame (51), the inner wall of the placement frame (51) is fixedly connected to a limit block (52), the inner wall of the placement frame (51) is sleeved with a pull plate (53), and the placement frame (51) and the pull plate (53) are slidably connected, the outer wall of the pull plate (53) is fixedly connected with a pull ring (54), the outer wall of the pull plate (53) is fixedly connected with a connecting column (57), the connecting column (57) is fixedly connected with a U-shaped clamping plate (56) on a side away from the pull plate (53), and the outer wall of the connecting column (57) is sleeved with a reset spring (55).

2. A multi-piece laser field mirror according to claim 1, characterized in that: The outer wall of the connecting piece (1) is fixedly connected to a connecting pipe (2); the connecting piece (1) is fixedly connected to a housing (3) on a side away from the connecting pipe (2); a sleeve groove (6) is provided on the inner wall of the housing (3); a mounting mechanism (7) is provided on the inner wall of the housing (3); and a sealing cover (4) is provided on the outer wall of the housing (3).

3. The multi-piece laser field mirror according to claim 2, characterized in that: The inner wall of the housing (3) is fixedly connected with a mounting ring (71), the outer wall of the mounting ring (71) is provided with a plurality of slots (72), the plurality of slots (72) are distributed in a circular array on the outer wall of the mounting ring (71), and the top of the mounting ring (71) is provided with a storage slot (73).

4. The multi-piece laser field mirror according to claim 2, characterized in that: The outer wall of the housing (3) is provided with a protective cover shell (41), the outer wall of the protective cover shell (41) is fixedly connected with a fixing collar (42), and the sleeve groove (6) is sleeved with the fixing collar (42).

5. The multi-piece laser field mirror according to claim 1, characterized in that: The diameter of the return spring (55) is much larger than the diameter of the connecting column (57).

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