CN110883438A

CN110883438A - Novel laser cutting head

Info

Publication number: CN110883438A
Application number: CN201911152430.4A
Authority: CN
Inventors: 杨立龙; 刘芸志
Original assignee: Dongguan City Laser Equipment Co Ltd That Makes A Concerted Effort
Current assignee: Dongguan City Laser Equipment Co Ltd That Makes A Concerted Effort
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-03-17

Abstract

The invention provides a novel laser cutting head which comprises a mounting plate and a cutting assembly, wherein the cutting assembly is connected to one side of the mounting plate in a sliding mode, the cutting assembly slides up and down on the mounting plate along the longitudinal direction, the cutting assembly comprises a reflector module, a focusing pipe and a laser nozzle, the focusing pipe is installed at the lower end of the reflector module, the laser nozzle is installed at the lower end of the focusing pipe through a connecting block, a limiting mechanism is fixedly arranged on one side of the connecting block, the limiting mechanism comprises a fixing block, a supporting plate and a limiting piece, the limiting piece is fixed at the lower end of the supporting plate, the limiting piece is arranged below the laser nozzle, the supporting plate is adjustably and vertically connected to one side of the fixing block, and the fixing. According to the novel laser cutting head provided by the invention, the sliding assembly and the limiting mechanism are utilized to control the same distance between the laser nozzle and a material to be cut, so that the laser nozzle is prevented from being damaged by collision or the cut material is prevented from being damaged.

Description

Novel laser cutting head

Technical Field

The invention relates to the technical field of laser cutting machines, in particular to a novel laser cutting head.

Background

The laser cutting head is a core component in laser processing and is mainly used for cutting metal and nonmetal. The laser cutting is to scan the material surface with high power density focused laser beam, heat the material to thousands or even tens of thousands of degrees centigrade in a very short time to melt or vaporize the material instantaneously, and blow the melted or vaporized material away from the cutting seam with high pressure gas, thereby achieving the purpose of cutting the material. When the existing laser cutting head is used for cutting, the surface of the material is raised, the laser cutting head cannot be automatically powered off and stops running when being touched by the material, the equipment is always in a running state, the laser cutting head is easily damaged or the cutting material is damaged, and normal production is influenced.

Disclosure of Invention

The invention aims to provide a novel laser cutting head to solve the technical problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a novel laser cutting head, includes mounting panel and cutting assembly, cutting assembly sliding connection is in one side of mounting panel, cutting assembly slides from top to bottom along longitudinal direction on the mounting panel, cutting assembly includes reflector module, focusing pipe and laser mouth, the lower extreme at the reflector module is installed to the focus tube, the lower extreme at the focusing pipe is installed through the connecting block to the laser mouth, one side of connecting block has set firmly stop gear, stop gear includes fixed block, backup pad and locating part, the lower extreme in the backup pad is fixed to the locating part, the locating part is in laser mouth below, the one side at the fixed block is connected perpendicularly to the adjustable in backup pad, one side at the connecting block is fixed to the fixed block.

A sliding assembly is arranged between the cutting assembly and the mounting plate and comprises a sliding plate, a first connecting plate, a second connecting plate, a sliding rail and a sliding block, the sliding plate is fixed on the front side of the mounting plate, the sliding rail is fixed on the sliding plate, the sliding block is connected on the sliding rail in a sliding manner, one end of the first connecting plate is vertically and fixedly arranged at the top end of the sliding plate, the other end of the first connecting plate is sleeved on the focusing pipe, and the focusing pipe longitudinally slides on the first connecting plate; the second connecting plate is arranged below the first connecting plate, one side of the second connecting plate is fixedly connected with the sliding block, and the other side of the second connecting plate is fixedly connected with the connecting block.

The locating part is hollow couple column structure, the locating part wraps up the laser mouth, the laser mouth is in the hollow position top of locating part, the laser beam that the laser mouth sent passes the locating part.

One side of fixed block is equipped with the spout, the spout runs through the upper and lower both ends of fixed block, the backup pad corresponds inserts in the spout, one side of fixed block is equipped with at least one fixed orifices, the fixed orifices communicates with each other with the spout, threaded connection has the fixed screw in the fixed orifices.

The distance between the laser nozzle and the bottom end of the limiting part is 3-8 mm.

And a protective sleeve is arranged between the focusing pipe and the first connecting plate and is sleeved on the focusing pipe.

Compared with the prior art, the novel laser cutting head provided by the invention has a novel structural design, the sliding assembly and the limiting mechanism are utilized to control the laser nozzle and a material to be cut to keep the same distance, when the limiting part of the limiting mechanism is in contact with the material to be cut, the surface of the material is uneven, and the limiting part is jacked upwards by the bulge of the material, the sliding block on the second connecting plate is driven to move upwards along the sliding rail to drive the laser nozzle to move upwards, so that the distance between the laser nozzle and the material is always kept, the laser nozzle is prevented from being damaged by collision or the cut material is prevented from being damaged, and the normal operation of production is ensured.

Drawings

FIG. 1: a schematic diagram of a three-dimensional structure of a novel laser cutting head;

FIG. 2: another angle structure schematic diagram of a novel laser cutting head;

FIG. 3: a novel laser cutting head side view.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Specific example 1: referring to fig. 1 to 3, in an embodiment of the present invention, a novel laser cutting head includes a mounting plate 1 and a cutting assembly 3, the cutting component 3 is connected with one side of the mounting plate 1 in a sliding way, the cutting component 3 slides up and down on the mounting plate 1 along the longitudinal direction, the cutting assembly 3 comprises a reflector module 301, a focusing tube 302 and a laser nozzle 303, the focusing tube 302 is arranged at the lower end of the reflector module 301, the laser nozzle 303 is arranged at the lower end of the focusing tube 302 through a connecting block 305, one side of the connecting block 305 is fixedly provided with a limiting mechanism 4, the limiting mechanism 4 comprises a fixing block 401, a supporting plate 402 and a limiting piece 403, the stopper 403 is fixed at the lower end of the supporting plate 402, the stopper 403 is below the laser nozzle 303, the supporting plate 402 is adjustably and vertically connected to one side of a fixing block 401, and the fixing block 401 is fixed to one side of the connecting block 305.

A sliding assembly 2 is arranged between the cutting assembly 3 and the mounting plate 1, the sliding assembly 2 comprises a sliding plate 201, a first connecting plate 202, a second connecting plate 203, a sliding rail 204 and a sliding block 205, the sliding plate 201 is fixed on the front side of the mounting plate 1, the sliding rail 204 is fixed on the sliding plate 201, the sliding block 205 is connected on the sliding rail 204 in a sliding manner, one end of the first connecting plate 202 is vertically and fixedly arranged at the top end of the sliding plate 201, the other end of the first connecting plate 202 is sleeved on a coke collecting pipe 302, and the coke collecting pipe 302 longitudinally slides on the first connecting plate 202; a protective sleeve 304 is arranged between the focusing tube 302 and the first connecting plate 202, and the protective sleeve 304 is sleeved on the focusing tube 302.

The second connecting plate 203 is arranged below the first connecting plate 202, one side of the second connecting plate 203 is fixedly connected with the sliding block 205, and the other side of the second connecting plate 203 is fixedly connected with the connecting block 305.

The limiting member 403 is a hollow hook-shaped structure, the limiting member 403 includes a first pipe 403-1 and a second pipe 403-2, the first pipe 403-1 and the second pipe 403-2 have the same structure, the first pipe 403-1 is bent in a U shape, one end of the first pipe 403-1 and one end of the second pipe 403-2 are respectively fixed on the supporting plate 402, the other end of the first pipe 403-1 and the other end of the second pipe 403-2 are connected and fixed by a connecting strip 403-3, the structure formed by connecting the first pipe 403-1 and the second pipe 403-2 forms a hook shape with a hollow structure, the laser nozzle 303 is above the middle of the limiting member 403, the limiting member 403 wraps the laser nozzle 303, and a laser beam emitted by the laser nozzle 303 passes through the limiting member 403.

One side of the fixing block 401 is provided with a sliding groove 401-1, the sliding groove 401-1 penetrates through the upper end and the lower end of the fixing block 401, the supporting plate 402 is correspondingly inserted into the sliding groove 401-1, one side of the fixing block 401 is provided with two fixing holes, the fixing holes are communicated with the sliding groove 401-1, fixing screws 404 are respectively connected in the fixing holes in a threaded manner, the fixing screws 404 are in contact with the side wall of the supporting plate 402, and the supporting plate 402 is tightly fixed in the fixing block 401 through the fixing screws 404.

The distance H1 between the laser nozzle 303 and the bottom end of the stopper 403 is 4 mm. During operation, the bottom end of the limiting piece 403 is in contact with a material to be cut, the distance between the limiting piece 403 and the laser nozzle 303 is adjusted by adjusting the position of the supporting plate 402 on the fixing plate, the distance between the laser nozzle 303 and the material to be cut is fixed, and the laser nozzle 303 is ensured not to be in contact with the material.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel laser cutting head, its characterized in that: including mounting panel and cutting assembly, cutting assembly sliding connection is in one side of mounting panel, cutting assembly slides from top to bottom along longitudinal direction on the mounting panel, cutting assembly includes reflector module, focusing pipe and laser mouth, the lower extreme at the reflector module is installed to the focusing pipe, the lower extreme at the focusing pipe is installed through the connecting block to the laser mouth, one side of connecting block has set firmly stop gear, stop gear includes fixed block, backup pad and locating part, the lower extreme at the backup pad is fixed to the locating part, the locating part is in the laser mouth below, the one side at the fixed block is connected perpendicularly to the adjustable one side at the fixed block of backup pad, one side at the connecting block is fixed to the fixed block.

2. The novel laser cutting head of claim 1, wherein: a sliding assembly is arranged between the cutting assembly and the mounting plate and comprises a sliding plate, a first connecting plate, a second connecting plate, a sliding rail and a sliding block, the sliding plate is fixed on the front side of the mounting plate, the sliding rail is fixed on the sliding plate, the sliding block is connected on the sliding rail in a sliding manner, one end of the first connecting plate is vertically and fixedly arranged at the top end of the sliding plate, the other end of the first connecting plate is sleeved on the focusing pipe, and the focusing pipe longitudinally slides on the first connecting plate; the second connecting plate is arranged below the first connecting plate, one side of the second connecting plate is fixedly connected with the sliding block, and the other side of the second connecting plate is fixedly connected with the connecting block.

3. The novel laser cutting head of claim 1, wherein: the locating part is hollow couple column structure, the locating part wraps up the laser mouth, the laser mouth is in the hollow position top of locating part, the laser beam that the laser mouth sent passes the locating part.

4. The novel laser cutting head of claim 1, wherein: one side of fixed block is equipped with the spout, the spout runs through the upper and lower both ends of fixed block, the backup pad corresponds inserts in the spout, one side of fixed block is equipped with at least one fixed orifices, the fixed orifices communicates with each other with the spout, threaded connection has the fixed screw in the fixed orifices.

5. The novel laser cutting head of claim 1, wherein: the distance between the laser nozzle and the bottom end of the limiting part is 3-8 mm.

6. The novel laser cutting head of claim 1, wherein: and a protective sleeve is arranged between the focusing pipe and the first connecting plate and is sleeved on the focusing pipe.