CN221247318U

CN221247318U - Laser with auxiliary focusing function and laser engraving equipment

Info

Publication number: CN221247318U
Application number: CN202323072407.9U
Authority: CN
Inventors: 贺云; 李泽彬
Original assignee: Shenzhen Atomic Intelligent Manufacturing Technology Co ltd
Current assignee: Shenzhen Atomic Intelligent Manufacturing Technology Co ltd
Filing date: 2023-11-13
Publication date: 2024-07-02
Anticipated expiration: 2033-11-13

Abstract

The embodiment of the utility model provides a laser with an auxiliary focusing function and laser engraving equipment, which comprises a mounting frame, a lifting assembly, a laser head and a plurality of light generators, wherein the mounting frame is used for being connected with an external structure, the lifting assembly is connected with the mounting frame, the laser head is connected with the lifting assembly, the lifting assembly is used for driving the laser head to ascend or descend, the light generators are arranged on the side wall of the laser head, and the converging points of light rays emitted by the light generators coincide with the focus of the laser head. This laser instrument with supplementary function of focusing utilizes a plurality of light generator to mark out the focus position of laser head, at the adjustment in-process, the laser head can be in the closed state to avoid burning work piece surface, and only need utilize lifting unit can accomplish the regulation, need not with the help of external tool, simple swift can improve user experience by a wide margin.

Description

Laser with auxiliary focusing function and laser engraving equipment

Technical Field

The utility model relates to the technical field of laser engraving equipment, in particular to a laser with an auxiliary focusing function and the laser engraving equipment.

Background

Before laser engraving, an operator needs to adjust the position of the laser in the height direction so as to coincide the focal point of the laser with the surface of the workpiece. In the prior art, a fixed-focus sheet with a fixed thickness is usually adopted for adjustment in an auxiliary fixed-focus mode, namely, a fixed-focus sheet with a fixed thickness is firstly placed between a workpiece and a laser, the height of the laser is adjusted to have a preset distance from the fixed-focus sheet, the position of the laser is fixed, the fixed-focus sheet is moved away, and at the moment, the focus of the laser is positioned on the surface of the workpiece.

Disclosure of utility model

The embodiment of the utility model provides a laser with an auxiliary focusing function and laser engraving equipment comprising the same, which are used for solving the problems that in the prior art, the steps are complicated when the focus of the laser is adjusted to the surface of a workpiece, and the user experience is affected.

According to a first aspect, an embodiment of the present utility model provides a laser with an auxiliary focusing function, including a mounting frame, a lifting assembly, a laser head, and a plurality of light generators, where the mounting frame is used to connect with an external structure, the lifting assembly is connected with the mounting frame, the laser head is connected with the lifting assembly, the lifting assembly is used to drive the laser head to rise or fall, the light generators are disposed on a side wall of the laser head, and convergence points of light emitted by the light generators coincide with focal points of the laser head.

As a further alternative of the laser with the auxiliary focusing function, the lifting assembly comprises a driving assembly and a connecting piece, the driving assembly is arranged on the mounting frame, the connecting piece is respectively connected with the driving assembly and the laser head, and the driving assembly is used for driving the connecting piece to ascend or descend so as to drive the laser head to ascend or descend.

As a further alternative of the laser with the auxiliary focusing function, the driving assembly includes a screw, the screw is rotatably disposed on the mounting frame, the connecting piece is in threaded connection with the screw, and the connecting piece is in sliding connection with the mounting frame, the sliding direction of the connecting piece is a vertical direction, and the screw can rotate under the action of external force and drive the connecting piece to ascend or descend.

As a further alternative of the laser with the auxiliary focusing function, the driving assembly further comprises a guide rod, the guide rod is connected with the mounting frame, a through hole is formed in the connecting piece, and the guide rod is inserted into the through hole, so that the connecting piece can slide along the guide rod.

As a further alternative of the laser with the auxiliary focusing function, two guide rods are provided, one guide rod is provided on one side of the screw rod, and the other guide rod is provided on the other side of the screw rod.

As a further alternative of the laser with the auxiliary focusing function, the driving assembly further comprises a knob, the knob is connected to the end of the screw rod, and the knob can drive the screw rod to rotate under the action of external force.

As a further alternative to the laser having an auxiliary focusing function, the laser head is detachably connected to the connection member.

As a further alternative scheme of the laser with the auxiliary focusing function, the connecting piece is provided with a containing groove, the side wall of the containing groove is provided with a mounting hole, the mounting hole is used for arranging a threaded fastener, and the laser head can be at least partially contained in the containing groove and is pressed and fixed by the threaded fastener.

According to a second aspect, an embodiment of the present utility model provides a laser engraving device, including a frame, a moving component, and a laser with an auxiliary focusing function according to the foregoing embodiment, where the moving component is disposed on the frame, and the moving component is connected to the laser and is used to drive the laser to move at different positions on a surface to be processed.

As a further alternative of the laser engraving device, the moving assembly comprises a driving member, a driving wheel, a driven wheel and a driving belt, wherein the driving wheel and the driven wheel are rotatably arranged on the frame, the driving belt is tightly wrapped on the outer sides of the driving wheel and the driven wheel, the driving member is connected with the frame, the output end of the driving member is connected with the driving wheel, the driving member is used for driving the driving wheel to rotate, the laser is connected with the driving belt, and the laser is in sliding connection with the frame.

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

This laser instrument with supplementary function of focusing utilizes a plurality of light generator to mark out the focus position of laser head, at the adjustment in-process, the laser head can be in the closed state to avoid burning work piece surface, and only need utilize lifting unit can accomplish the regulation, need not with the help of external tool, simple swift can improve user experience by a wide margin.

The laser engraving equipment adopts the laser, can simplify the adjustment step, provides the working efficiency and optimizes the user experience.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic diagram of a laser engraving apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a laser with auxiliary focusing function according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the laser of FIG. 2;

Reference numerals:

10-a frame;

20-a moving assembly, 21-a driving member;

30-laser, 31-mounting frame, 311-roller, 32-lifting assembly, 321-driving assembly, 3211-lead screw, 3212-knob, 3213-guide rod, 322-connector, 33-laser head, 34-light generator.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the laser engraving device provided by the embodiment of the utility model includes a frame 10, a moving assembly 20 and a laser 30 with an auxiliary focusing function, wherein the moving assembly 20 is disposed on the frame 10, and the moving assembly 20 is connected with the laser 30 for driving the laser 30 to move at different positions of a surface to be processed.

Referring to fig. 2, the laser 30 includes a mounting frame 31, a lifting assembly 32, a laser head 33, and a plurality of light generators 34, wherein the mounting frame 31 is used for connecting with an external structure, for example, for mounting the laser 30 onto the frame 10, or forming connection with the moving assembly 20, the lifting assembly 32 is connected with the mounting frame 31, the laser head 33 is connected with the lifting assembly 32, the lifting assembly 32 is used for driving the laser head 33 to lift or descend, the light generators 34 are disposed on a side wall of the laser head 33, and a converging point of light emitted by the light generators 34 coincides with a focal point of the laser head 33.

The number of the light generators 34 is at least two, so that different light rays can form a converging point, and the number of the light generators 34 can be increased appropriately according to the actual situation, which is not limited herein. More generally, the light generator 34 is selected to be a red light generator, so that the characteristics of strong red light penetrability and difficulty in scattering are utilized to improve the convenience of observation.

The method for adjusting the focus of the laser head 33 to the surface of the workpiece by using the laser 30 with the auxiliary focusing function is as follows: in the state that the laser head 33 is closed, the elevation component 32 is utilized to adjust the height of the laser head 33, so that the converging points of the light rays of the plurality of light ray generators 34 fall on the surface of the workpiece to be processed, which means that the focal point of the laser head 33 falls on the surface of the workpiece to be processed, and then the laser head 33 can be started for laser processing operation.

This laser instrument 30 with supplementary function of focusing utilizes a plurality of light generator 34 to mark out the focus position of laser head 33, and at the adjustment in-process, laser head 33 can be in the closed state to avoid burning the work piece surface, and only need utilize lifting unit 32 can accomplish the regulation, need not with the help of external tool, and is simple swift, can improve user experience by a wide margin.

The laser engraving equipment adopts the laser 30, can simplify the adjustment step, provide the working efficiency and optimize the user experience.

The arrangement of the moving assembly 20 can be widely selected from among various types of electrically driven, pneumatically driven, hydraulically driven or belt driven arrangements.

In a preferred embodiment, the moving assembly 20 includes a driving member 21, a driving wheel, a driven wheel, and a driving belt, where the driving wheel and the driven wheel are rotatably disposed on the frame 10, the driving belt is tightly wrapped on the outer sides of the driving wheel and the driven wheel, the driving member 21 is connected with the frame 10, and an output end of the driving member 21 is connected with the driving wheel, the driving member 21 is used for driving the driving wheel to rotate, the laser 30 is connected with the driving belt, and the laser 30 is slidably connected with the frame 10.

More specifically, a sliding rail is disposed on the frame 10, and the sliding rail may be disposed on an upper surface of the frame 10, or may be disposed on both an upper surface and a lower surface of the frame 10, the roller 311 is rotatably connected to the mounting frame 31, and a groove matching with an external shape of the sliding rail is formed by inward recessing a side surface of the roller 311, so that the sliding rail may be embedded in the groove, so that the roller 311 may slide along the sliding rail. The number of the rollers 311 corresponds to the number of the sliding rails, and in the case that the sliding rails are arranged on the upper surface and the lower surface of the frame 10, the rollers 311 can be arranged in two groups, each group comprises at least one roller 311, the upper group of rollers 311 is matched with the sliding rail on the upper surface of the frame 10, and the lower group of rollers 311 is matched with the sliding rail on the lower surface of the frame 10.

In one embodiment, referring to fig. 2 and 3 in combination, the lifting assembly 32 includes a driving assembly 321 and a connecting piece 322, the driving assembly 321 is disposed on the mounting frame 31, the connecting piece 322 is respectively connected to the driving assembly 321 and the laser head 33, and the driving assembly 321 is used for driving the connecting piece 322 to rise or fall so as to drive the laser head 33 to rise or fall.

In a specific embodiment, the driving assembly 321 includes a screw rod 3211, the screw rod 3211 is rotatably disposed on the mounting frame 31, the connecting piece 322 is in threaded connection with the screw rod 3211, and the connecting piece 322 is slidably connected with the mounting frame 31, where a sliding direction of the connecting piece 322 is a vertical direction, and the screw rod 3211 can rotate under the action of an external force and drive the connecting piece 322 to rise or fall.

For the sliding connection mode of the connecting piece 322 and the mounting frame 31, in a more specific embodiment, the driving assembly 321 further includes a guide rod 3213, the guide rod 3213 is connected with the mounting frame 31, the connecting piece 322 is provided with a through hole, and the guide rod 3213 is inserted into the through hole, so that the connecting piece 322 can slide along the guide rod 3213, that is, the sliding connection between the connecting piece 322 and the mounting frame 31 is realized.

More specifically, two guide rods 3213 are provided, one guide rod 3213 is provided on one side of the screw rod 3211, and the other guide rod 3213 is provided on the other side of the screw rod 3211.

In an alternative embodiment, the mounting frame 31 is provided with a sliding rail, and the connecting member 322 is slidably connected to the mounting frame 31 by being matched with the sliding rail.

As for the driving method of the screw rod 3211, there are mainly two driving schemes, one is a manual scheme and the other is an electric driving scheme.

Based on a manual driving scheme, in a more specific embodiment, the driving assembly 321 further includes a knob 3212, where the knob 3212 is connected to an end of the screw rod 3211, and the knob 3212 can drive the screw rod 3211 to rotate under an external force.

Based on the electric driving scheme, in another more specific embodiment, the driving assembly 321 further includes a screw driving member, where the screw driving member is disposed on the mounting frame 31, and an output end of the screw driving member is connected to the screw 3211, so as to drive the screw 3211 to rotate. The screw drive may be more commonly selected among stepper motors and servo motors. If necessary, the screw driving member may be used with a reduction gearbox to adjust the rotation speed, thereby controlling the speed of lifting the laser head 33.

In a specific embodiment, the laser head 33 is removably connected to the connector 322.

More specifically, the connecting piece 322 is provided with a receiving groove, a side wall of the receiving groove is provided with a mounting hole, the mounting hole is used for arranging a threaded fastener, and the laser head 33 can be at least partially accommodated in the receiving groove and is pressed and fixed by the threaded fastener.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a laser instrument with supplementary function of focusing, its characterized in that, includes mounting bracket, lifting unit, laser head and a plurality of light generator, the mounting bracket is used for being connected with external structure, lifting unit with the mounting bracket is connected, the laser head with lifting unit connects, lifting unit is used for driving the laser head rises or descends, light generator set up in on the lateral wall of laser head, a plurality of the focus of the light that light generator sent with the focus coincidence of laser head.

2. The laser with auxiliary focusing function according to claim 1, wherein the lifting assembly comprises a driving assembly and a connecting piece, the driving assembly is arranged on the mounting frame, the connecting piece is respectively connected with the driving assembly and the laser head, and the driving assembly is used for driving the connecting piece to ascend or descend so as to drive the laser head to ascend or descend.

3. The laser with auxiliary focusing function according to claim 2, wherein the driving assembly comprises a screw rod, the screw rod is rotatably arranged on the mounting frame, the connecting piece is in threaded connection with the screw rod, the connecting piece is in sliding connection with the mounting frame, the sliding direction of the connecting piece is a vertical direction, and the screw rod can rotate under the action of external force and drives the connecting piece to ascend or descend.

4. A laser with auxiliary focusing function as defined in claim 3, wherein the driving assembly further comprises a guide rod, the guide rod is connected with the mounting frame, a through hole is formed in the connecting piece, and the guide rod is inserted into the through hole, so that the connecting piece can slide along the guide rod.

5. The laser with auxiliary focusing function according to claim 4, wherein two guide rods are provided, one guide rod is provided at one side of the lead screw, and the other guide rod is provided at the other side of the lead screw.

6. A laser with auxiliary focusing function as defined in claim 3, wherein said driving assembly further comprises a knob, said knob being connected to an end of said screw, said knob being capable of rotating said screw under the action of an external force.

7. The laser with auxiliary focusing function according to any one of claims 2-6, wherein the laser head is detachably connected to the connection member.

8. The laser with auxiliary focusing function according to claim 7, wherein the connecting piece is provided with a containing groove, the side wall of the containing groove is provided with a mounting hole, the mounting hole is used for arranging a threaded fastener, and the laser head can be at least partially contained in the containing groove and is pressed and fixed by the threaded fastener.

9. A laser engraving device, characterized by comprising a frame, a moving component and the laser with auxiliary focusing function as claimed in any one of claims 1-8, wherein the moving component is arranged on the frame, and is connected with the laser for driving the laser to move at different positions of a surface to be processed.

10. The laser engraving apparatus of claim 9, wherein the moving assembly includes a driving member, a driving wheel, a driven wheel, and a transmission belt, the driving wheel and the driven wheel are rotatably disposed on the frame, the transmission belt is tightly wrapped on the outer sides of the driving wheel and the driven wheel, the driving member is connected with the frame, and an output end of the driving member is connected with the driving wheel, the driving member is used for driving the driving wheel to rotate, the laser is connected with the transmission belt, and the laser is slidably connected with the frame.