6kw power collimation structure with a fast plug-in connection structure with a beamsplitter

Abstract

This utility model discloses a 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses, belonging to the technical field of high-power laser equipment. The structure includes a main frame, and a QBH head, an aperture, a collimating lens, and a 45° beam splitter arranged sequentially along the optical path. To solve the heat dissipation problem under high power, a first water-cooling connector is provided on the side of the QBH head and the aperture, a second water-cooling connector is provided on the side of the collimating lens mount, and a third water-cooling connector is provided on the side of the beam splitter mount with a spiral groove at its bottom to assist heat dissipation. All water-cooling connector connections are sealed with rubber rings. By replacing the collimation height pad between the lens mount and the main frame, different collimation focal lengths can be accommodated. Each core component adopts a modular design and is quickly assembled into various structures such as F, L, Y, and T types through standardized mechanical interfaces for different application scenarios.

Description

Technical Field

[0001] This utility model relates to the field of laser collimation equipment technology, and in particular to a 6kW power collimation structure with a quick-connect structure for beam splitting lenses. Background Technology

[0002] High-power laser collimation equipment is a core component in modern laser processing, precision measurement, and medical equipment. Its function is to shape, focus, and directionally transmit the high-energy laser beam output from the laser to the working area. Currently, collimation equipment of the same power level (such as 6kW) on the market generally suffers from the following structural limitations.

[0003] Firstly, in terms of heat dissipation, most equipment uses air cooling or passive cooling solutions with attached heat sinks. For continuous high-power operation at the 6kW level, this type of heat dissipation is inefficient and can easily lead to performance degradation, beam distortion, or even permanent damage to optical components (such as collimating lenses and beam splitters) due to heat accumulation, making it difficult to meet the stable operation requirements of long-term, high-load operations in the industrial field.

[0004] Secondly, in terms of functional integration and status monitoring, existing equipment is mostly a closed, integrated structure. On the one hand, it lacks built-in, real-time beam quality monitoring or processing observation methods, usually relying on manual periodic inspections or offline testing, which cannot provide timely feedback on the energy effect, leading to uncontrolled processing accuracy and safety concerns. On the other hand, the fixed optical path and mechanical structure limit its application scenarios, making it unable to flexibly adapt to the diverse requirements of optical path routing in special spatial layouts such as corners and narrow channels.

[0005] Furthermore, traditional designs are rigid in terms of maintenance and adaptability. Replacing core optical components (such as protective lenses) is often cumbersome, requiring the disassembly of numerous peripheral parts. Simultaneously, adapting to different processing distances (such as different collimation focal lengths like F100, F125, and F150) often necessitates replacing the entire collimation module or performing complex mechanical adjustments, resulting in time-consuming operations and high maintenance costs. This non-modular design also means that failure of a single component can lead to the shutdown of the entire device, and its upgrade and expansion capabilities are poor. Utility Model Content

[0006] The purpose of this invention is to provide a 6kW power collimation structure with a quick-connect structure for beam splitting lenses, which can overcome the shortcomings of the prior art.

[0007] To achieve the above objectives, a 6kW power collimation structure with a quick-connect structure for beam splitting is provided, including a main frame, and a QBH head, an aperture, a collimating lens and a 45° beam splitter arranged sequentially in the main frame along the optical path direction. The QBH head and the aperture are provided with a first water-cooling connector on their sides, and the collimating lens is installed in a lens holder, which is provided with a second water-cooling connector on its side. The aperture is used to filter and absorb stray light in the incident light of the QBH head. The main frame is provided with a mounting component that is connected to the lens mount. A replaceable collimation height pad is provided between the mounting component and the lens mount. Different collimation height pads and collimation lenses of different specifications can be replaced to adapt to different collimation focal length requirements. The 45° beam splitter is housed in a beam splitter mount, which supports and protects the 45° beam splitter. The bottom of the beam splitter mount has a spiral groove to aid heat dissipation, and the side of the beam splitter mount has a third water-cooling connector to remove heat from the cavity. The beam splitter mount has a 45° CCD reflector, a lens, and a camera arranged sequentially in the reflected light path direction, forming an imaging light path for imaging the returned visible light.

[0008] According to the 6kW power collimation structure with a quick-connect structure for beam splitting lenses, rubber rings are provided in the connection end faces or slots of the first, second, and third water-cooling connectors to achieve sealing and leak prevention of water cooling circulation and to prevent dust from entering the internal optical path.

[0009] According to the 6kW power collimation structure with a quick-connect structure for a beam splitter lens, a drawer-type cavity is provided above the collimating lens. The drawer-type cavity is fixed to the main frame by a captive screw, and a protective lens is contained inside. The drawer-type cavity can be pulled out to replace the protective lens by loosening the captive screw.

[0010] According to the 6kW power collimation structure with a quick-connect structure for beam splitting lenses, the lens is connected to the main frame via a lens adapter ring. Different lens models can be adapted by replacing different lens adapter rings without replacing the entire structural parts.

[0011] According to the 6kW power collimation structure with a quick-connect structure for beam splitting lenses, the upper and lower end faces of the collimating lens are provided with washers, and are pressed and fixed in the lens holder by a lens clamping ring. The washers are used for fine adjustment of the optical height of the collimating lens.

[0012] According to the 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses, the QBH head, aperture, collimating lens, 45° beam splitter and imaging component each constitute an independent functional module. The modules are connected by a standardized mechanical interface for quick-connect connection, so that the overall structure can be configured as any one of F-type, L-type, Y-type or T-type to achieve rapid adaptation to different space constraints and energy transmission paths.

[0013] This utility model has the following beneficial effects: 1. By designing the QBH head, aperture, collimating lens group, beam splitter, and imaging components as independent functional modules and connecting them using standardized quick-connect mechanical interfaces, rapid reconfiguration of the overall structure is achieved. This invention can be flexibly configured into various forms such as F-type, L-type, Y-type, or T-type, greatly expanding the application range of the equipment under different spatial constraints and optical path requirements.

[0014] 2. To address the thermal management challenges posed by the high power output of 6kW, this invention incorporates a first-stage water cooling system at the QBH head and aperture, a second-stage water cooling system at the collimating lens mount, and a third-stage water cooling system with spiral heat dissipation slots at the beam splitter mount. This multi-point, directional active water cooling system efficiently removes heat from critical heat sources, ensuring that each optical component operates at an appropriate temperature, thereby guaranteeing the stability of light output, beam quality, and equipment lifespan under long-term high-load operation.

[0015] 3. This utility model incorporates several maintenance-friendly designs. The protective lens uses a drawer-type design, secured with non-detachable screws, allowing for quick replacement. The lens is mounted via a standard adapter ring, requiring only the adapter ring to accommodate different lens models. Collimation height adjustment is achieved by replacing standardized pads and lenses, eliminating the need for complex adjustments. These designs significantly reduce equipment downtime for maintenance, lowering daily maintenance costs and reducing the technical barrier to entry.

[0016] 4. By integrating a 45° beam splitter with an imaging optical path consisting of a 45° CCD reflector, a lens, and a camera, this invention enables real-time visual monitoring of the processing process or beam status while the main processing optical path operates normally. This provides direct and reliable visual feedback for process optimization, quality control, and fault diagnosis, improving the intelligence level and processing reliability of the entire processing system.

[0017] 5. The precise overall structural design integrates multiple functions while maintaining a relatively compact size. All water-cooling circuit connections are sealed with rubber rings, effectively preventing coolant leakage and external dust intrusion into the precision optical path, thus improving the equipment's environmental adaptability and long-term reliability. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is an internal schematic diagram of a 6kW power collimation structure with a quick-connect structure for beam splitting lenses according to this utility model. Figure 2 This is a side view of a 6kW power collimation structure with a quick-connect structure for beam splitting lenses according to the present invention. Figure 3This is a front view of a 6kW power collimation structure with a quick-connect structure for beam splitting lenses assembled in an F-shape according to the present invention. Figure 4 This is a schematic diagram of a 6kW power collimation structure with a quick-connect structure for beam splitting lenses, assembled into an L-shape according to the present invention. Figure 5 This is a schematic diagram of a 6kW power collimating structure with a quick-connect structure for beam splitting lenses, assembled in a Y-shape according to the present invention. Figure 6 This is a schematic diagram of a 6kW power collimation structure with a quick-connect structure for beam splitting lenses, assembled into a T-shape according to the present invention.

[0019] Legend: 1. QBH lens; 2. Rubber ring; 3. Aperture; 4. Water cooling connector; 5. Collimation height pad; 6. Collimating lens; 7. Protective lens; 8. Washer; 9. Lens retainer ring; 10. 45° beam splitter; 11. Beam splitter mount; 12. 45° CCD reflector; 13. Lens adapter ring; 14. Lens; 15. Camera. Detailed Implementation

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0021] Reference Figures 1 to 2 This utility model embodiment provides a 6kW power collimation structure with a quick-connect structure for beam splitting lenses. Its core lies in a highly integrated, efficient heat dissipation and easy-to-maintain modular optomechanical structure.

[0022] The structure includes a main frame, serving as the mounting base for the entire system. Laser energy is incident into the system through the QBH head 1. The side of the QBH head 1 integrates a first water-cooling connector 4, used to connect to an external cooling loop for direct active heat dissipation of the high-power laser input port. The laser then passes through an aperture 3, which filters and absorbs stray light in the laser beam, improving the quality of the output beam. This process generates a significant amount of heat; therefore, the aperture 3 is also connected to the first water-cooling connector 4, sharing the water-cooling circuit. All water-cooling connectors have O-rings 2 installed on their connection faces and slots to ensure reliable sealing, prevent coolant leakage, and block external dust from entering the precision optical path.

[0023] The purified laser then reaches the collimating lens assembly. The collimating lens 6 is mounted in a separate lens holder, which has a second water-cooling connector on its side for circulating cooling, ensuring stable operation of the collimating lens 6 at a high power of 6kW. To meet collimation requirements at different working distances, replaceable collimation height shims 5 are provided in the mounting components between the lens holder and the main frame. By replacing the collimation height shims 5 with different heights and matching collimating lenses 6, various collimation focal lengths such as F100, F125, and F150 can be quickly adapted. Furthermore, washers 8 are provided on the upper and lower end faces of the collimating lens 6, which are pressed and fixed by lens clamping rings 9. The washers 8 can be used to fine-tune the precise optical height of the collimating lens 6. Above the collimating lens 6, there is a drawer-type cavity, which is fixed to the main frame by a captive screw. A protective lens 7 is installed inside the cavity. When the protective lens 7 needs to be cleaned or replaced, the entire cavity can be pulled out simply by loosening the captive screw. The operation is simple and will not affect the stability of the main optical path.

[0024] After collimation, the parallel light reaches the bottom of the structure and is split by a 45° beam splitter 10. The 45° beam splitter 10 is precisely mounted in a beam splitter mount 11. This mount 11 accumulates a large amount of heat due to continuous reflection of high-power laser light. Its bottom is specially designed with a spiral groove to increase the heat dissipation area. Simultaneously, a third water-cooling connector connected to its side efficiently removes heat from the cavity, significantly reducing the operating temperature of the 45° beam splitter 10 and extending its service life.

[0025] In the main optical path, the laser light is reflected by the 45° beam splitter 10 and output as the processing light. In the monitoring optical path, the visible light returning from the workpiece surface can pass through the 45° beam splitter 10 again, and is then reflected by a 45° CCD reflector 12, entering the imaging assembly consisting of the lens 14 and the camera 15. The lens 14 is connected to the main frame via a standardized lens adapter ring 13. This design allows for the adaptation of various industrial lenses 14 by simply changing the corresponding lens adapter ring 13 when facing different imaging field of view or resolution requirements, without modifying the main structure, greatly improving the flexibility and economy of the equipment.

[0026] Reference Figures 3 to 6 One of the key innovations of this utility model lies in its modularity and reconfigurability. The aforementioned QBH head 1, aperture 3, collimating lens group, 45° beam splitter 10, and imaging components are all designed as independent functional modules. These modules are quickly connected and locked via standardized mechanical interfaces such as locating pins and quick-locking flanges. Based on this, the entire collimating structure can be quickly reconfigured according to different site space constraints and optical path requirements, such as... Figure 3 The F-type shown Figure 4 The L-shaped shape shown Figure 5 The Y-shaped or Figure 6 The T-shaped and other structural forms shown enable "one machine for multiple uses" and greatly expand the application scenarios.

[0027] Unless otherwise specified, the constituent units of this utility model are obtained from conventional commercial channels or manufactured by conventional methods. Their specific structure, working principle, and possible control methods and spatial arrangement methods can adopt conventional choices in the field and should not be regarded as the innovation of this utility model. This is understandable to those skilled in the art, and this utility model patent will not be further elaborated in detail.

[0028] Working Principle: High-power laser light is incident through the QBH head 1. After stray light is filtered out by the aperture 3, it is converted into parallel light by the height-adjustable collimating lens 6. This parallel light is reflected by the 45° beam splitter 10 at the bottom and output as the working beam. Simultaneously, the returned visible light signal can pass through the 45° beam splitter 10, be deflected by the 45° CCD reflecting lens 12, and then received and imaged by the lens 14 and camera 15, realizing real-time monitoring of the processing process. In the entire system, the QBH head 1, aperture 3, collimating lens 6, and beam splitter mount 11 are all connected to an external cooling system through water-cooling connectors for efficient heat dissipation, and rubber rings 2 ensure the sealing of each connection.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A 6kW power collimation structure with a quick-connect connection structure for beam-splitting lenses, characterized in that, It includes a main frame, and a QBH head (1), an aperture (3), a collimating lens (6) and a 45° beam splitter (10) arranged sequentially in the main frame along the optical path. The QBH head (1) and the aperture (3) are provided with a first water-cooling connector (4) on their sides. The collimating lens (6) is installed in a lens holder, and the lens holder is provided with a second water-cooling connector on its side. The main frame is provided with a mounting component that is connected to the lens mount. A replaceable collimation height pad (5) is provided between the mounting component and the lens mount. The 45° beam splitter (10) is located in a beam splitter mount (11). The bottom of the beam splitter mount (11) is provided with a spiral groove, and the side of the beam splitter mount (11) is provided with a third water-cooling connector. The beam splitter mount (11) is provided with a 45° CCD reflective lens (12), a lens (14) and a camera (15) in sequence in the reflected light path direction.

2. The 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses according to claim 1, characterized in that, Rubber rings (2) are provided on the connecting end faces or grooves of the first water-cooled connector (4), the second water-cooled connector and the third water-cooled connector.

3. The 6kW power collimation structure with a quick-connect connection structure for beam-splitting lenses according to claim 1, characterized in that, A drawer-type cavity is provided above the collimating lens (6), which is fixed to the main frame by a non-detachable screw, and a protective lens (7) is contained inside.

4. A 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses according to claim 1, characterized in that, The lens (14) is connected to the main frame via a lens adapter ring (13).

5. A 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses according to claim 1, characterized in that, The collimating lens (6) is provided with gaskets (8) on both the upper and lower end faces, and is pressed and fixed in the lens holder by a lens pressure ring (9).

6. A 6kW power collimation structure with a quick-connect connection structure for beam splitting lenses according to claim 1, characterized in that, The QBH head (1), aperture (3), collimating lens (6), 45° beam splitter (10) and imaging components each constitute an independent functional module. The modules are connected by a standardized mechanical interface, so that the overall structure can be configured as any one of F-type, L-type, Y-type or T-type.

Images