Novel anti-loosening cutting head of laser cutting machine

Abstract

The utility model relates to the technical field of laser cutting machines, in particular to a novel anti-loosening cutting head of a laser cutting machine, which comprises a vertically arranged mounting shell, an optical fiber interface is vertically and fixedly mounted at the upper end of the mounting shell, and a protective plate is mounted on the outer side wall of the mounting shell through a buffer mechanism. A cylinder is vertically mounted on the lower end face of the mounting shell, a cutting head is mounted at the lower end of the mounting cylinder in a threaded mode, the upper end face of the outer side wall of the cutting head is fixedly sleeved with a first gear ring, a second gear ring is mounted on the outer side wall of the mounting cylinder through an elastic abutting mechanism, and the first gear ring is movably sleeved with the second gear ring. According to the cutting head, the cutting head can be prevented from loosening, and cutting is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting machines, in particular to a novel anti-loosening cutting head of a laser cutting machine. Background Art

[0002] A laser cutting machine is a device that focuses the laser emitted from a laser into a high-power density laser beam for cutting through an optical path system.

[0003] However, in the prior art, when the laser cutting machine is working, the machine itself will generate certain vibrations, and the laser cutting head and the device body are usually connected by threads. As time goes by, the laser cutting head may deflect and become loose due to vibration, resulting in processing deviations and affecting the cutting quality. For this reason, we propose a new anti-loosening cutting head for laser cutting machine. Utility Model Content

[0004] The utility model provides a novel anti-loosening cutting head of a laser cutting machine, which solves the above-mentioned technical problems.

[0005] The utility model solves the above-mentioned technical problems with the following solution: a new type of anti-loosening cutting head for a laser cutting machine, comprising a vertically arranged mounting shell, an optical fiber interface is vertically fixedly installed on the upper end of the mounting shell, a protective plate is installed on the outer wall of the mounting shell through a buffer mechanism, a cylinder is vertically installed on the lower end face of the mounting shell, a cutting head is threadedly installed on the lower end of the mounting cylinder, a first gear ring is fixedly sleeved on the upper end face of the outer wall of the cutting head, a second gear ring is installed on the outer wall of the mounting cylinder through an elastic tightening mechanism, the second gear ring is movably sleeved on the outside of the first gear ring, and the second gear ring is meshingly connected to the first gear ring.

[0006] Preferably, the buffer mechanism includes two connecting rods that are laterally rotatably installed on the outer side wall of the mounting shell, and sliders are respectively rotatably installed on the ends of the two connecting rods away from the mounting shell. A sliding groove is laterally opened on the side wall of the protective plate facing the mounting shell, and the slider is slidably connected to the inner side wall of the sliding groove. The corresponding two connecting rods in the same group are fixedly connected by a laterally arranged first spring.

[0007] Preferably, the elastic clamping mechanism includes a fixing ring fixedly sleeved on the lower end of the outer side wall of the mounting cylinder, a plurality of limit rods arranged at equal angles are vertically fixedly mounted on the upper end face of the second gear ring, the limit rods movably penetrate the fixing ring, the upper end face of the fixing ring is slidably fitted with a limit block fixedly connected to the upper end of the limit rod, and a second spring movably sleeved on the outer side wall of the limit rod is vertically arranged between the fixing ring and the second gear ring.

[0008] Preferably, the cross-section of the protection plate is arc-shaped, the slide groove is arc-shaped, and a buffer pad is fixedly installed on the outer side wall of the protection plate.

[0009] Preferably, a connecting plate is fixedly mounted on the outer side wall of the mounting shell, the cross section of the connecting plate is a concave shape, and mounting holes penetrating the connecting plate are transversely opened on the side walls on both sides of the connecting plate.

[0010] Preferably, the outer side wall of the mounting shell is provided with a focusing knob, and the outer side wall of the focusing knob is provided with a continuous groove.

[0011] Preferably, a rotating ring is fixedly sleeved on the outer side wall of the cutting head, and a continuous groove is provided on the outer side wall of the rotating ring.

[0012] The beneficial effects of the utility model are:

[0013] 1. By setting a first toothed ring on the upper end of the outer wall of the cutting head, and installing a second toothed ring outside the mounting cylinder through a limiting rod, a second spring and other components, the second toothed ring is used to cooperate with the first toothed ring for limiting, so that the cutting head cannot deflect with the vibration of the device, and the cutting head will not loosen, which is more conducive to stable cutting;

[0014] 2. A protective plate is provided with two sliding blocks slidably installed on the inner side of the protective plate. The two sliding blocks are rotationally connected to the mounting shell through connecting rods respectively. The two connecting rods in the same group are connected by a first spring. In this way, the protective plate can be used for buffering and anti-collision protection to avoid direct collision of the mounting shell due to errors, and a buffer pad is provided on the protective plate to enhance the protection effect.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. 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 the present 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 on the present invention. In the drawings:

[0017] Figure 1 The utility model provides a structural schematic diagram of a novel anti-loosening cutting head of a laser cutting machine;

[0018] Figure 2 The utility model provides a schematic diagram of the cutting head structure of a novel anti-loosening cutting head of a laser cutting machine;

[0019] Figure 3The utility model provides a schematic diagram of the structure of a protective plate for preventing the cutting head from loosening of a new type of laser cutting machine;

[0020] Figure 4 The utility model proposes a new type of anti-loosening cutting head of a laser cutting machine Figure 1 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 2. Fiber optic interface; 3. Protection plate; 4. Mounting cylinder; 5. Cutting head; 6. First gear ring; 7. Second gear ring; 8. Connecting rod; 9. Slider; 10. Slide groove; 11. First spring; 12. Fixed ring; 13. Limit rod; 14. Limit block; 15. Second spring; 16. Connecting plate; 17. Focus knob; 18. Rotating ring. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] Example 1

[0025] like Figure 1-4As shown, the utility model is a novel anti-loosening cutting head of a laser cutting machine, including a vertically arranged installation shell, a connecting plate 16 is fixedly installed on the outer side wall of the installation shell, the cross section of the connecting plate 16 is a concave shape, and the side walls on both sides of the connecting plate 16 are respectively transversely opened with mounting holes that penetrate the connecting plate 16, and a connecting plate 16 with mounting holes is provided to facilitate the installation and fixation of the device, a focusing knob 17 is provided on the outer side wall of the installation shell, and a continuous groove is provided on the outer side wall of the focusing knob 17, and an optical fiber interface 2 is vertically fixedly installed on the upper end of the installation shell, and a protective plate 3 is installed on the outer side wall of the installation shell through a buffer mechanism, the cross section of the protective plate 3 is an arc shape, and the slide groove 10 is an arc shape, and a buffer cushion is fixedly installed on the outer side wall of the protective plate 3, and a buffer cushion is provided to enhance the buffer protection ability of the device, A cylinder 4 is installed vertically on the lower end face of the mounting shell, and a cutting head 5 is threadedly installed on the lower end of the mounting cylinder 4. A rotating ring 18 is fixedly sleeved on the outer side wall of the cutting head 5, and a continuous groove is arranged on the outer side wall of the rotating ring 18. The rotating ring 18 makes it more convenient to install or disassemble the cutting head 5. A first gear ring 6 is fixedly sleeved on the upper end face of the outer side wall of the cutting head 5, and a second gear ring 7 is installed on the outer side wall of the mounting cylinder 4 through an elastic tightening mechanism. The second gear ring 7 is movably sleeved on the outer side of the first gear ring 6, and the second gear ring 7 is meshed and connected with the first gear ring 6. The device arranges the first gear ring 6 on the outer side of the cutting head 5 and arranges a movable second gear ring 7 outside the mounting cylinder 4. The second gear ring 7 cooperates with the first gear ring 6 to limit, so that the cutting head 5 will not deflect and loosen due to vibration, thereby ensuring the stability of cutting.

[0026] Example 2

[0027] like Figure 1-4 As shown, the buffer mechanism includes two connecting rods 8 that are laterally rotatably installed on the outer side wall of the mounting shell, and sliders 9 are respectively rotatably installed on the ends of the two connecting rods 8 away from the mounting shell. A sliding groove 10 is laterally opened on the side wall of the protective plate 3 facing the mounting shell, and the slider 9 is slidably connected to the inner wall of the sliding groove 10. The corresponding two connecting rods 8 in the same group are fixedly connected by a laterally arranged first spring 11. When the device is hit, the protective plate 3 squeezes the connecting rod 8 inward, so that the connecting rod 8 overcomes the pulling force of the first spring 11 and unfolds to perform buffer protection.

[0028] Example 3

[0029] like Figure 1-4As shown, the elastic clamping mechanism includes a fixing ring 12 fixedly sleeved on the lower end of the outer side wall of the mounting cylinder 4, a plurality of limiting rods 13 arranged at equal intervals are vertically fixedly installed on the upper end face of the second gear ring 7, the limiting rod 13 movably passes through the fixing ring 12, and a limiting block 14 fixedly connected to the upper end of the limiting rod 13 is slidably fitted on the upper end face of the fixing ring 12, a second spring 15 movably sleeved on the outer side wall of the limiting rod 13 is vertically arranged between the fixing ring 12 and the second gear ring 7, the limiting rod 13 cooperates with the second spring to squeeze the second gear ring 7, to ensure that the second gear ring 7 is meshed with the first gear ring 6, to limit the first gear ring 6, and indirectly to limit the cutting head, so that the cutting head 5 will not rotate loose.

[0030] Working principle:

[0031] When in use, the device is installed on the mobile end of the cutting machine through the connecting plate 16, the optical fiber is connected to the optical fiber interface 2, the cutting head 5 is controlled to start, and the mobile end is used to drive the installation shell and the cutting head to move, and the target material is laser cut. When the cutting head 5 needs to be disassembled and replaced, the second toothed ring 7 is pushed upward so that the second toothed ring 7 overcomes the force of the second spring 15 and moves upward, so that the second toothed ring 7 is staggered with the first toothed ring 6, and the limit of the first toothed ring 6 is released. Then the cutting head 5 is rotated, the cutting head 5 can be removed, and a new cutting head 5 is replaced and tightened, and then the second toothed ring 7 is moved down to fix the first toothed ring 6 to complete the replacement.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A novel anti-loosening cutting head for a laser cutting machine, comprising a vertically arranged mounting housing, wherein an optical fiber interface (2) is vertically fixedly mounted on the upper end of the mounting housing, and characterized in that: A protective plate (3) is installed on the outer wall of the mounting shell through a buffer mechanism, a cylinder (4) is installed vertically on the lower end surface of the mounting shell, a cutting head (5) is threadedly installed on the lower end of the mounting cylinder (4), a first toothed ring (6) is fixedly sleeved on the upper end surface of the outer wall of the cutting head (5), a second toothed ring (7) is installed on the outer wall of the mounting cylinder (4) through an elastic tightening mechanism, the second toothed ring (7) is movably sleeved on the outside of the first toothed ring (6), and the second toothed ring (7) is meshingly connected with the first toothed ring (6).

2. According to claim 1, the anti-loosening cutting head of a new type of laser cutting machine is characterized by: The buffer mechanism comprises two connecting rods (8) which are rotatably mounted on the outer side wall of the mounting shell, and sliders (9) are rotatably mounted on the ends of the two connecting rods (8) away from the mounting shell, respectively. A sliding groove (10) is transversely provided on the side wall of the protection plate (3) facing the mounting shell, and the slider (9) is slidably connected to the inner side wall of the sliding groove (10). The two corresponding connecting rods (8) in the same group are fixedly connected by a transversely arranged first spring (11).

3. The novel anti-loosening cutting head of a laser cutting machine according to claim 1 is characterized in that: The elastic clamping mechanism comprises a fixing ring (12) fixedly sleeved on the lower end of the outer wall of the mounting cylinder (4); a plurality of limiting rods (13) arranged at equal intervals are vertically fixedly installed on the upper end surface of the second gear ring (7); the limiting rods (13) movably penetrate the fixing ring (12); a limiting block (14) fixedly connected to the upper end of the limiting rod (13) is slidably fitted on the upper end surface of the fixing ring (12); and a second spring (15) movably sleeved on the outer wall of the limiting rod (13) is vertically arranged between the fixing ring (12) and the second gear ring (7).

4. The novel anti-loosening cutting head of a laser cutting machine according to claim 2 is characterized in that: The cross section of the protection plate (3) is arc-shaped, the slide groove (10) is arc-shaped, and a buffer cushion is fixedly mounted on the outer side wall of the protection plate (3).

5. The novel anti-loosening cutting head of a laser cutting machine according to claim 1 is characterized in that: A connecting plate (16) is fixedly mounted on the outer side wall of the mounting shell. The cross section of the connecting plate (16) is concave-shaped. The side walls on both sides of the connecting plate (16) are respectively provided with mounting holes that penetrate the connecting plate (16) in a transverse direction.

6. The novel anti-loosening cutting head of a laser cutting machine according to claim 1 is characterized in that: The outer wall of the mounting housing is provided with a focusing knob (17), and the outer wall of the focusing knob (17) is provided with a continuous groove.

7. The novel anti-loosening cutting head of a laser cutting machine according to claim 1 is characterized in that: A rotating ring (18) is fixedly sleeved on the outer side wall of the cutting head (5), and a continuous groove is provided on the outer side wall of the rotating ring (18).

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