Angle adjusting mechanism of laser optical fiber head relative to lens and laser lens with angle adjusting mechanism
By designing an angle adjustment mechanism for the laser fiber head relative to the lens, the incident angle of the laser beam is adjusted, solving the problem that existing lenses cannot adjust uniformity. This achieves uniform adjustment of the laser beam behind the lens, improving processing quality and energy efficiency.
Patent Information
- Application Number
- CN202422770108.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing laser lenses cannot flexibly adjust the uniformity of the laser beam after passing through the lens, affecting processing quality and energy efficiency.
By designing an angle adjustment mechanism for the laser fiber head relative to the lens, including an adjustment interface, a limiting pin, and a screw structure, the laser fiber head is allowed to rotate within a certain angle range, adjusting the incident angle of the laser beam to change the propagation direction and intensity distribution of the beam.
It enables flexible adjustment of the uniformity of the laser beam behind the lens, improving processing quality and energy utilization efficiency.
Smart Images
Figure CN223539043U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of laser technology, and in particular to an angle adjustment mechanism for a laser fiber head relative to a lens and a laser lens having the same. Background Technology
[0002] Laser lenses are a special type of optical lens used to focus or diffuse laser beams. They are widely used in industrial manufacturing, medical, scientific research, military, and consumer electronics fields. Examples include laser cutting, laser welding, laser marking, various laser surgeries, laser spectral analysis, laser interferometry, laser traps, laser sights, lidar, laser projectors, and 3D laser printers. With continuous technological advancements, the applications of laser lenses will continue to expand.
[0003] Beam uniformity is a crucial standard for evaluating optical devices such as laser lenses, describing the intensity distribution of a light beam across its cross-section. An ideal uniform beam should have a consistent intensity distribution, avoiding unevenness between bright and dark areas. This uniformity is essential for ensuring the performance of optical devices, affecting image sharpness, lighting comfort, and energy efficiency. For example, in industrial applications such as laser cutting and welding, beam uniformity directly impacts processing quality and efficiency. Non-uniform beams can lead to defects during processing and increase energy consumption. Beam uniformity is a key performance indicator for optical devices, with profound implications for scientific research, industry, and the medical field. However, currently available laser lenses cannot flexibly adjust the uniformity of the laser beam after passing through the lens. Utility Model Content
[0004] This application aims to at least partially solve the aforementioned technical problems in the prior art. To this end, a first aspect of this application provides an angle adjustment mechanism for a laser fiber head relative to a lens, capable of circular motion within a certain range to adjust the angle of laser incident into the lens, and also achieving a dustproof effect.
[0005] A second aspect of this application provides a laser lens.
[0006] According to a first aspect of this application, a laser fiber head relative to a lens angle adjustment mechanism includes a fiber head, an interface cover, an adjustment interface, and a lens connected sequentially along the lens axis, wherein the end of the adjustment interface relative to the lens is an arc surface.
[0007] The interface cover has two adjusting screws on its side facing each other, the adjusting interface has two limiting holes facing each other, the two ends of the lens have two limiting pins facing each other, the line where the two limiting pins are located is defined as the X-axis, and the two limiting holes extend along the axial direction of the X-axis.
[0008] The limiting pin engages with the limiting hole, allowing the adjustment interface to rotate within a limited angle range;
[0009] After assembly, the adjusting screw abuts against the side of the adjusting interface to restrict the rotation of the adjusting interface.
[0010] Based on the above technical solution, the first aspect of this application has at least the following beneficial effects: In this application, by adjusting the adjusting screws locked on both sides of the interface cover, the adjusting interface can be rotated within a limited angle range under the action of the limiting pin and the elongated limiting hole extending along the X-axis on the adjusting interface, so as to adjust the incident angle of the laser beam of the laser fiber head relative to the lens in the laser lens, thereby changing the propagation direction of the beam, thereby indirectly affecting the size and shape of the laser spot, adjusting the light intensity distribution of the laser beam on the cross section, and realizing flexible adjustment of the uniformity of the laser after passing through the lens.
[0011] According to the laser fiber head relative to lens angle adjustment mechanism of the first aspect embodiment of this application, the laser fiber head relative to lens angle adjustment mechanism further includes a positioning ring, the positioning ring being connected between the adjustment interface and the lens along the lens axis by the limiting pin, the positioning ring having an arc surface at one end relative to the adjustment interface and a flat surface at one end relative to the lens.
[0012] According to the laser fiber head relative to the lens angle adjustment mechanism of the first aspect embodiment of this application, the adjustment interface adopts a spherical bearing structure.
[0013] According to the laser fiber head relative lens angle adjustment mechanism of the first aspect embodiment of this application, the interface cover is sleeved on the lens, the interface cover has a cavity inside, and the adjustment interface is located in the cavity.
[0014] According to the laser fiber head relative lens angle adjustment mechanism of the first aspect embodiment of this application, the laser fiber head relative lens angle adjustment mechanism further includes a spring axially disposed between the interface cover and the lens.
[0015] According to the laser fiber head relative lens angle adjustment mechanism of the first aspect embodiment of this application, the two adjustment screws are configured to move relatively closer or relatively farther away from the X-axis, and the adjustment screws are first hex socket screws.
[0016] According to the laser fiber head relative to the lens angle adjustment mechanism of the first aspect of this application, the fiber head includes a laser fiber head and a fiber head cover, and the fiber head cover is threadedly connected to the adjustment interface, so that the laser fiber head is fixedly connected to the adjustment interface.
[0017] According to the laser fiber head relative to the lens angle adjustment mechanism of the first aspect embodiment of this application, a fixing screw is provided on the upper end face of the interface cover. The fixing screw is used to fix the laser fiber head relative to the lens angle adjustment mechanism, and the upper end face is the end face of the interface cover away from the lens.
[0018] According to the laser fiber head relative to the lens angle adjustment mechanism of the first aspect embodiment of this application, the fixing screw is a second internal hex screw.
[0019] According to a second aspect embodiment of the present application, the laser lens includes the aforementioned angle adjustment structure of the laser fiber head relative to the lens.
[0020] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a cross-sectional view of the angle adjustment mechanism of the laser fiber head relative to the lens in an embodiment of this application;
[0023] Figure 2 This is a structurally disassembled schematic diagram of the angle adjustment mechanism between the laser fiber head and the lens in one embodiment of this application;
[0024] Figure 3 This is a schematic diagram of the adjustment interface in one embodiment of this application;
[0025] Figure 4 This is a schematic diagram of the structure for adjusting another angle of the interface in one embodiment of this application;
[0026] Figure 5 for Figure 4 Cross-sectional view of section AA;
[0027] Figure 6 This is a schematic diagram of the positioning ring in one embodiment of this application;
[0028] Figure 7 This is a schematic diagram of the positioning ring at another angle in one embodiment of this application;
[0029] Figure 8 for Figure 7 Cross-sectional view of section BB;
[0030] Figure 9 This is a schematic diagram of the interface cover structure in one embodiment of this application;
[0031] Figure 10 This is a schematic diagram of the interface cover from another angle in one embodiment of this application;
[0032] Figure 11 for Figure 10 Cross-sectional view of the CC section;
[0033] Figure 12 This is a structural schematic diagram of the interface cover at another angle in one embodiment of this application;
[0034] Reference numerals: 10 for the angle adjustment mechanism of the laser fiber head relative to the lens, 100 for the lens, 101 for the limiting pin, 102 for the positioning ring, 200 for the adjustment interface, 201 for the adjustment screw, 300 for the interface cover, 301 for the spring, 302 for the fixing screw, 40 for the fiber head, 40 for the laser fiber head, and 401 for the fiber head cover. Detailed Implementation
[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0036] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0037] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0038] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0039] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.
[0040] The technical solution of this application will be further described below with reference to the embodiments and accompanying drawings.
[0041] This application provides a laser lens that can effectively solve the technical problem that existing laser lenses cannot flexibly adjust the uniformity of the laser beam after passing through the lens. By adjusting the incident angle of the laser beam relative to the laser fiber head in the laser lens, the propagation direction of the beam is changed, thereby indirectly affecting the size and shape of the laser spot and adjusting the intensity distribution of the laser beam on the cross-section, thus achieving flexible adjustment of the uniformity of the laser beam after passing through the lens.
[0042] refer to Figures 1 to 12 This application provides a laser lens, including an angle adjustment mechanism 10 for the laser fiber head relative to the lens.
[0043] in, Figure 1 This is a cross-sectional view of the laser fiber head relative to the lens angle adjustment mechanism 10 in this application; Figure 2 This is a structurally disassembled schematic diagram of the laser fiber head relative to the lens angle adjustment mechanism 10 of this application.
[0044] See Figure 1 and Figure 2 The laser fiber head angle adjustment mechanism 10 relative to the lens includes a fiber head 400, an interface cover 300, an adjustment interface 200, and a lens 100 connected sequentially along the lens axis. One end of the adjustment interface 200 relative to the lens 100 is an arc surface. (Reference) Figure 1 The arc surface allows the adjustment interface 200 to rotate and adjust one end relative to the lens 100, thereby achieving the adjustment function of the adjustment interface 200.
[0045] It is understandable that, along the axis of the lens 400, the fiber optic head 400 and the lens 100 are connected in sequence by an interface cover 300 and an adjustment interface 200, and the adjustment interface 200 is fixedly connected to the fiber optic head 400 and the lens 100 through the interface cover 300.
[0046] Furthermore, two adjusting screws 201 are arranged opposite each other on the side of the interface cover 300, and two limiting holes are arranged opposite each other on the adjusting interface 200. Limiting pins 101 are arranged opposite each other at both radial ends of the lens 100. The straight line containing the limiting pins 101 is defined as the X-axis. The two limiting holes extend axially along the X-axis to form elongated limiting holes. (Refer to...) Figure 1 The adjustment interface 200 and the lens 100 are provided with mutually cooperating limiting holes and limiting pins 101. The position of the adjustment interface 200 relative to the lens 100 is limited by the limiting pins 101 and the elongated limiting holes extending along the X-axis.
[0047] Furthermore, the limiting pin 101 engages with the limiting hole, allowing the adjustment interface 200 to rotate within a limited angle range. It can be understood that the line containing the limiting pin 101 is defined as the X-axis. After the two limiting holes extend axially along the X-axis, the engagement between the two limiting pins 101 and the two limiting holes allows for relative displacement between the two limiting pins and the two limiting holes relative to the X-axis extending axially from the limiting holes, while remaining fixed relative to the Y-axis perpendicular to the X-axis. Since the end of the adjustment interface 200 relative to the lens 100 is an arc surface, when the adjustment interface 200 undergoes relative displacement with respect to the limiting pins and the lens on the X-axis, it can be understood that the adjustment interface 200 rotates within a limited angle range with the Y-axis as its axis.
[0048] Furthermore, after assembly, the adjusting screw 201 abuts against the side of the adjusting interface 200 to limit the rotation of the adjusting interface 200. When the fiber head 400, interface cover 300, adjusting interface 200, and lens 100 in the laser fiber head-to-lens angle adjustment mechanism 10 are assembled, the two adjusting screws oppositely arranged on the side of the interface cover 300 can abut against the relative positions on the side of the adjusting interface 200, thereby fixing the interface cover 300 and the adjusting interface 200 and limiting the relative displacement of the adjusting interface 200 relative to the limiting pin and the lens on the X-axis. In this application, under the action of the limiting pin 101 and the elongated limiting hole on the adjusting interface 200, the adjusting interface 200 undergoes relative displacement relative to the limiting pin and the lens on the X-axis. That is, the adjusting interface 200 rotates within a limited angle range around the Y-axis to adjust the fiber head 40 to a suitable angle, thereby adjusting the angle at which the laser enters the lens to meet the uniformity requirements of the laser after passing through the lens.
[0049] Optionally, refer to Figure 1 and Figure 2 The laser fiber head angle adjustment mechanism 10 relative to the lens also includes a positioning ring 102. The positioning ring 102 is connected along the lens axis between the adjustment interface 200 and the lens 100 via a limiting pin 101. One end of the positioning ring 102 relative to the adjustment interface 200 is an arc surface, and the other end relative to the lens 100 is a flat surface. It is understood that by setting the positioning ring 102 between the adjustment interface 200 and the lens 100, it is possible to directly connect a conventional lens and the adjustment interface 200 without adjusting the existing connection points of conventional lenses, achieving positioning on the lens 100 and allowing for movable engagement with the end face opposite to the adjustment interface 200. The size of the positioning ring 102 can be changed to accommodate lenses 100 of different sizes. By setting the positioning ring 102, manufacturing costs are saved, the versatility of the laser fiber head angle adjustment mechanism 10 relative to the lens is improved, and subsequent maintenance and replacement of the laser lens are facilitated.
[0050] Optionally, the adjusting interface 200 adopts a spherical bearing structure. It is understood that using a spherical bearing in the spherical bearing structure reduces friction, ensuring smooth rotation of the adjusting interface 200. Furthermore, its built-in sealing ring retains lubricant, improving the service life and performance of the adjusting interface 200, while also providing dust protection.
[0051] Optionally, refer to Figure 1 and Figure 2 The interface cover 300 is fitted onto the lens 100. The interface cover 300 has an internal cavity, and the adjustment interface 200 is located within this cavity. It is understood that the laser beam emitted from the fiber optic head 40 needs to enter the lens 100. When setting up the adjustment interface 200 and interface cover 300, it is necessary to ensure a beam transmission path from the fiber optic head 40 to the lens 100. Therefore, both the adjustment interface 200 and the interface cover 300 adopt a structure with an internal hollow cavity. Furthermore, to ensure the sequential and fixed connection of the fiber optic head 40, interface cover 300, adjustment interface 200, and lens 100, the interface cover 300 is used to fix and adjust the adjustment interface 200. By placing the adjustment interface 200 within the cavity of the interface cover 300 and fitting the interface cover 300 onto the lens 100, environmental dust can be prevented from entering during laser use and adjustment, thus providing a certain degree of dust protection and reducing the impact on the use of the laser lens. By setting the above, the laser optical path of the laser fiber head can be kept unobstructed, thereby ensuring the effect of the laser beam entering the lens and further realizing flexible adjustment of the uniformity of the laser after passing through the lens.
[0052] Optionally, refer to Figure 1 and Figure 2The laser fiber head angle adjustment mechanism 10 relative to the lens also includes a spring 301 axially disposed between the interface cover 300 and the lens 100. It can be understood that the adjustment interface 200 is located between the interface cover 300 and the lens 100. Since the adjustment interface 200 needs to be rotated, under the action of the limiting pin 101 and the elongated limiting hole on the adjustment interface 200, the adjustment interface 200 can only produce relative displacement relative to the limiting pin and the lens on the X-axis. That is, the adjustment interface 200 rotates within a limited angle range with the Y-axis as the axis. Therefore, the coordinate of the adjustment interface 200 in the Y-axis direction perpendicular to the X-axis remains unchanged, while the X-axis and Z-axis coordinates change simultaneously. The Z-axis is the position along the lens axis. In other words, along the lens axis, the distance between the side of the adjustment interface 200 closest to the lens and the side closest to the interface cover will change slightly. The spring 301, which is axially set between the interface cover 300 and the lens 100, can provide the force for extension and contraction in the lens axis, so that the interface cover 300 can extend and retract relative to the lens axis. Thus, when the adjustment interface 200 is rotated for adjustment, it actively adapts to the connection between the adjustment interface 200 and the interface cover 300, absorbs and reduces impact and vibration, and further improves the stability of the entire laser fiber head angle adjustment mechanism 10 relative to the lens.
[0053] Optionally, refer to Figure 1 The adjusting screw 201 is configured to move relatively closer to or further away from the X-axis. The adjusting screw 201 is a first internal hexagon screw, and the interface cover 300 has an internal thread. Through this threaded engagement, the adjusting screw 201 can move relatively closer to or further away from the X-axis. It can be understood that the adjusting screw 201 abuts against the side of the adjusting interface 200 to limit its rotation. After the various modules of the laser lens are assembled, when adjusting the adjusting interface 200, the two adjusting screws 201 locked to both sides of the interface cover need to be adjusted. The process of tightening and loosening the adjusting screws 201 completes the movement of the adjusting screw 201 relatively closer to or further away from the X-axis. In other words, by loosening the two screw holes of the adjusting screw 201 in the X-axis direction of the interface cover 300, the adjusting interface 200 can be adjusted, allowing it to rotate within a limited angle range. By tightening the adjusting screw 201 in the two screw holes of the interface cover 300 in the X-axis direction, the adjusting interface 200 can be fixed, restricting its rotation within the limited angle range. Furthermore, by using the adjusting screw 201, mass production and standardization are possible, resulting in low overall manufacturing costs and ease of adjustment for users.
[0054] Furthermore, the adjusting screw 201 is a first hex socket head cap screw. The size of the first hex socket head cap screw can be flexibly changed according to the actual adaptation needs of the interface cover 300, and this application does not make specific limitations here. It is understood that the first hex socket head cap screw needs to play the role of adjusting the adjusting interface 200. The first hex socket head cap screw can be a headless hex socket head cap screw with a pointed tip, or a cylindrical head hex socket head cap screw, etc. Among them, the headless hex socket head cap screw with a pointed tip has a certain degree of self-aligning ability, is easy to install, has good concealment after installation, and can improve the aesthetics of the structural connection. At the same time, due to its double-structure sealing device, it can work in harsh environments. Therefore, the first hex socket head cap screw is preferably a headless hex socket head cap screw with a pointed tip to meet the adjustment needs of the laser lens.
[0055] Optionally, refer to Figure 1 and Figure 2 The fiber optic head 40 includes a laser fiber optic head 400 and a fiber optic head cover 401. The fiber optic head cover 401 is threadedly connected to the adjustment interface 200, thus fixing the laser fiber optic head 400 to the adjustment interface 200. It can be understood that the fiber optic head 40, including the laser fiber optic head 400 and the fiber optic head cover 401, is fitted onto the laser fiber optic head 400 when assembling and connecting the laser fiber optic head 400, the interface cover 300, the adjustment interface 200, and the lens 100. To ensure that the laser beam emitted by the laser fiber optic head 400 enters the lens through a clear beam path, the laser fiber optic head 400 needs to pass through the hollow cavity of the adjustment interface 200. The connection between the adjustment interface 200 and the fiber optic head cover 401 uses a threaded connection, which is low-cost, easy to install, and convenient for disassembly and replacement, thus improving usability to a certain extent.
[0056] Optionally, refer to Figure 1 and Figure 2A fixing screw 302 is provided on the upper end face of the interface cover 300. The fixing screw 302 is used to fix the angle adjustment mechanism 10 of the laser fiber head relative to the lens. The upper end face is the end face of the interface cover 300 away from the lens 100. It can be understood that the interface cover 300 adopts a structure with a hollow cavity inside, and is sleeved on the lens 100. The fixing screw 302 is provided on its upper end face away from the lens 100. Under the action of the limiting pin 101 and the elongated limiting hole extending axially along the X-axis on the adjusting interface 200, the adjusting interface 200 rotates within a limited angle range. After the fiber head 40 is adjusted to a suitable angle, the fixing screw 302 on the upper part of the interface cover 300 is tightened, thereby fixing the entire angle adjustment mechanism 10 of the laser fiber head relative to the lens. This prevents the angle of laser incidence into the lens from changing due to loosening, which would affect the subsequent use of the laser lens. Similarly, in addition to the adjusting screw 201, a fixing screw 302 is also provided, which reduces the overall manufacturing cost and facilitates the user's adjustment operation.
[0057] Optionally, the fixing screw 302 is a second hex socket head cap screw. The second hex socket head cap screw can be the same type as or different from the first hex socket head cap screw; this application does not further limit its use. Understandably, the second hex socket head cap screw needs to press against the adjustment interface 200 and fix the entire laser fiber head relative to the lens angle adjustment mechanism 10, that is, it needs to fix the interface cover 300 and the adjustment interface 200. Therefore, it is preferable to use a headed hex socket head cap screw, such as a cylindrical head hex socket head cap screw, to achieve a better fixing effect on the interface cover 300 and the adjustment interface 200. Furthermore, it should be noted that the number of fixing screws 302 can be 2, 4, or other numbers, and the multiple fixing screws 302 can be spaced unequally along the circumferential direction; this application does not further limit their use.
[0058] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application 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 this application.
Claims
1. An angle adjustment mechanism for a laser fiber optic head relative to a lens, characterized in that: It includes an optical fiber head, an interface cover, an adjustment interface, and a lens connected sequentially along the lens axis, wherein the end of the adjustment interface relative to the lens is an arc surface; The interface cover has two adjusting screws on its side facing each other, the adjusting interface has two limiting holes facing each other, the two ends of the lens have two limiting pins facing each other, the line where the two limiting pins are located is defined as the X-axis, and the two limiting holes extend along the axial direction of the X-axis. The limiting pin engages with the limiting hole, allowing the adjustment interface to rotate within a limited angle range; After assembly, the adjusting screw abuts against the side of the adjusting interface to restrict the rotation of the adjusting interface.
2. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: The laser fiber head angle adjustment mechanism relative to the lens also includes a positioning ring. The positioning ring is connected between the adjustment interface and the lens along the lens axis by the limiting pin. The end of the positioning ring relative to the adjustment interface is an arc surface, and the end relative to the lens is a flat surface.
3. The angle adjustment mechanism of the laser fiber head relative to the lens according to claim 1, characterized in that: The adjustment interface adopts a spherical bearing structure.
4. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: The interface cover is fitted onto the lens, and the interface cover has a cavity inside, with the adjustment interface located inside the cavity.
5. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: The laser fiber head relative lens angle adjustment mechanism also includes a spring axially disposed between the interface cover and the lens.
6. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: The two adjusting screws are configured to move relatively closer to or relatively farther away from the X-axis, and the adjusting screws are first hex socket screws.
7. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: The fiber optic head includes a laser fiber optic head and a fiber optic head cover. The fiber optic head cover is connected to the adjustment interface via a thread, thereby fixing the laser fiber optic head to the adjustment interface.
8. The laser fiber head relative to the lens angle adjustment mechanism according to claim 1, characterized in that: A fixing screw is provided on the upper end face of the interface cover. The fixing screw is used to fix the angle adjustment mechanism of the laser fiber head relative to the lens. The upper end face is the end face of the interface cover away from the lens.
9. The laser fiber head relative to the lens angle adjustment mechanism according to claim 8, characterized in that: The fixing screw is a second internal hex screw.
10. A laser lens, characterized in that, The laser fiber head relative to the lens includes the angle adjustment structure as described in any one of claims 1 to 9.