CN215824573U

CN215824573U - Laser cutting head with adjustable focus collimating lens

Info

Publication number: CN215824573U
Application number: CN202122448442.0U
Authority: CN
Inventors: 刘炽秋
Original assignee: Anhui Bosi Laser Technology Co ltd
Current assignee: Anhui Bosi Laser Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-15
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a laser cutting head with an adjustable focus collimating lens, and relates to the technical field of laser cutting. The utility model includes the work level, installs the laser cutting machine on the upside of the work level, characterized by, also include: the lower side of the laser cutting machine is provided with a laser cutting head, the middle part of the laser cutting machine is provided with an inner cavity, and a collimating lens and a focusing lens are arranged in the inner cavity; two rod bodies are fixed in the inner cavity. According to the utility model, the first plate body and the second plate body are arranged on the periphery of the rod body, the first plate body drives the focusing mirror to move towards one side close to or far away from the collimating mirror, so that the focusing mirror is moved up and down, the focus position is adjusted, the stability of a light path is ensured, and the adjustment accuracy of the collimating mirror is improved.

Description

Laser cutting head with adjustable focus collimating lens

Technical Field

The utility model belongs to the technical field of laser cutting, and particularly relates to a laser cutting head with an adjustable focus collimating lens.

Background

Laser cutting, as a novel thermal cutting technique, has been widely used because of its advantages of high cutting speed, high production efficiency, good cutting surface quality, small heat affected zone, environmental protection, etc. The principle of laser cutting is that a focused high-power high-density laser beam is irradiated to the surface of a material to be cut, then the material to be cut is melted, vaporized and the like by using the extremely high energy density at the focal point of the laser beam, and meanwhile, the molten substance is blown off by high-speed airflow ejected by a cutting nozzle to form a cut on the material, so that the material is cut. The laser cutting processing is to replace the traditional mechanical knife by invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment.

Most focus collimating mirror laser cutting heads on the market are relatively troublesome in the adjustment process, and the condition that the adjustment is not accurate enough appears easily, needs to be adjusted many times, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laser cutting head with an adjustable focus collimating lens, which solves the technical problem that the conventional laser cutting head with the focus collimating lens is relatively troublesome in the adjusting process.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a laser cutting head with adjustable focus collimating lens, includes the workstation, installs in the laser cutting machine of workstation upside, its characterized in that still includes: the lower side of the laser cutting machine is provided with a laser cutting head, the middle part of the laser cutting machine is provided with an inner cavity, and a collimating lens and a focusing lens are arranged in the inner cavity;

two rod bodies are fixed in the inner cavity, a first plate body is arranged between the two rod bodies in a sliding fit mode, a second plate body is fixed between the two rod bodies, an adjusting mechanism is arranged between the first plate body and the second plate body, and fixing rods are fixed on the peripheral sides of the first plate body and the second plate body.

Optionally, the adjusting mechanism includes a rotating rod rotatably fitted in the middle of the second plate, two gears installed in the cavity, a connecting plate fixed between the two gears, rotating shafts fixed at two ends of the connecting plate, and a connecting rod rotatably fitted around the rotating shafts.

Optionally, the two gears are engaged, one connecting rod is fixedly connected with the rotating rod, and the other connecting rod is in running fit with the first plate body.

Optionally, the two fixing rods are respectively and fixedly connected with the collimating lens and the focusing lens.

Optionally, the two fixing rods are both located on one side of the rod body.

Optionally, the two rod bodies are located at one side of the collimating mirror and the focusing mirror.

The embodiment of the utility model has the following beneficial effects:

according to the embodiment of the utility model, the first plate body and the second plate body are arranged on the periphery of the rod body, the first plate body drives the focusing mirror to move towards one side close to or far away from the collimating mirror, so that the focusing mirror is moved up and down, the focus position is adjusted, the stability of a light path is ensured, and the adjustment accuracy of the collimating mirror is improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an assembly of a laser cutting machine and a worktable according to an embodiment of the present invention;

FIG. 2 is a perspective view of a workbench according to an embodiment of the present invention;

FIG. 3 is a sectional view of a laser cutting head and an inner cavity assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of an assembled cross-sectional structure of a laser cutting machine and a laser cutting head according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram at B in fig. 5.

Wherein the figures include the following reference numerals:

the laser cutting machine comprises a workbench 1, a laser cutting machine 2, a laser cutting head 3, an inner cavity 4, a collimating mirror 5, a focusing mirror 6, a rod body 7, a first plate body 8, an adjusting mechanism 9, a rotating rod 901, a connecting rod 902, a rotating shaft 903, a gear 904, a connecting plate 905, a fixing rod 10 and a second plate body 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1 to 6, in the present embodiment, a laser cutting head with an adjustable focus collimator is provided, including: workstation 1, install in the laser cutting machine 2 of 1 upside of workstation, its characterized in that still includes: the lower side of the laser cutting machine 2 is provided with a laser cutting head 3, the middle part of the laser cutting machine 2 is provided with an inner cavity 4, and a collimating lens 5 and a focusing lens 6 are arranged in the inner cavity 4;

two rod bodies 7 are fixed in the inner cavity 4, a first plate body 8 is arranged between the two rod bodies 7 in a sliding fit mode, a second plate body 11 is fixed between the two rod bodies 7, an adjusting mechanism 9 is arranged between the first plate body 8 and the second plate body 11, and fixing rods 10 are fixed on the peripheral sides of the first plate body 8 and the second plate body 11.

The application of one aspect of the embodiment is as follows: when using the adjustable laser cutting head of focus collimating lens, rotate adjustment mechanism 9 earlier, adjustment mechanism 9 drives first plate body 8 sliding fit in the week side of the two body of rods 7, makes first plate body 8 drive a dead lever 10 and focus mirror 6 to the side of being close to or keeping away from collimating lens 5 and moves, realizes the regulation to the focus precision to the focus of laser cutting head collimating lens has been accomplished and has been adjusted. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.

Through set up first plate body 8 and second plate body 11 in body of rod 7 week side, first plate body 8 drives focusing mirror 6 and moves to one side of being close to or keeping away from collimating mirror 5, realize reciprocating of focusing mirror 6, focus point position is adjusted, the stability of light path has been ensured, thereby the regulation precision of collimating mirror 5 has been promoted, set up adjustment mechanism 9 between first plate body 8 and second plate body 11, adjustment mechanism 9 can drive focusing mirror 6 fast and reciprocate, the trouble of manual regulation collimating mirror 5 has effectively been reduced, thereby convenience when collimating mirror 5 adjusts has been promoted.

Referring to fig. 5-6, the adjusting mechanism 9 of the present embodiment includes a rotating rod 901 rotatably coupled to the middle portion of the second plate 11, two gears 904 installed in the cavity 4, a connecting plate 905 fixed between the two gears 904, a rotating shaft 903 fixed to two ends of the connecting plate 905, a connecting rod 902 rotatably coupled to the periphery of the rotating shaft 903, the two gears 904 engaged with each other, one connecting rod 902 fixedly connected to the rotating rod 901, the other connecting rod 902 rotatably coupled to the first plate 8, two fixing rods 10 fixedly connected to the collimating mirror 5 and the focusing mirror 6, two fixing rods 10 located at one side of the rod 7, and two rod bodies 7 located at one side of the collimating mirror 5 and the focusing mirror 6. Rotate dwang 901, dwang 901 drives a connecting rod 902 and uses dwang 901 to rotate as the centre of a circle, then connecting rod 902 drives a gear 904 and rotates, a gear 904 meshes with another gear 904, make another gear 904 drive another connecting rod 902 and rotate, make two connecting rod 902 relative motion, then another connecting rod 902 drives first plate body 8 and moves to the one side that is close to or keeps away from second plate body 11, first plate body 8 passes through dead lever 10 and drives focusing mirror 6 and move to the one side that is close to or keeps away from collimating mirror 5, thereby the realization is to the regulation of collimating mirror 5.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides a laser cutting head with adjustable focus collimating lens, includes workstation (1), installs in laser cutting machine (2) of workstation (1) upside, its characterized in that still includes: the lower side of the laser cutting machine (2) is provided with a laser cutting head (3), the middle part of the laser cutting machine (2) is provided with an inner cavity (4), and a collimating lens (5) and a focusing lens (6) are arranged in the inner cavity (4);

two rod bodies (7) are fixed in the inner cavity (4), a first plate body (8) is arranged between the two rod bodies (7) in a sliding fit mode, a second plate body (11) is fixed between the two rod bodies (7), an adjusting mechanism (9) is arranged between the first plate body (8) and the second plate body (11), and fixing rods (10) are fixed on the peripheral sides of the first plate body (8) and the second plate body (11).

2. The adjustable laser cutting head of claim 1, wherein the adjusting mechanism (9) comprises a rotating rod (901) rotatably fitted in the middle of the second plate (11), two gears (904) installed in the inner cavity (4), a connecting plate (905) fixed between the two gears (904), rotating shafts (903) respectively fixed at two ends of the connecting plate (905), and a connecting rod (902) rotatably fitted around the rotating shafts (903).

3. A focal point collimator lens adjustable laser cutting head according to claim 2, characterized in that two gears (904) are engaged, one link (902) is fixedly connected to the rotating rod (901), and the other link (902) is rotatably fitted to the first plate (8).

4. The adjustable laser cutting head of the focus collimating lens of claim 1, characterized in that two fixed rods (10) are fixedly connected with the collimating lens (5) and the focusing lens (6), respectively.

5. The adjustable laser cutting head of claim 1, wherein the two fixed rods (10) are located on one side of the rod body (7).

6. The adjustable laser cutting head of claim 1, characterized in that the two rods (7) are located at one side of the collimating mirror (5) and the focusing mirror (6).