WO2020228338A1

WO2020228338A1 - Laser cutting device

Info

Publication number: WO2020228338A1
Application number: PCT/CN2019/128290
Authority: WO
Inventors: 岳国汉
Original assignee: 深圳市牧激科技有限公司
Priority date: 2019-05-14
Filing date: 2019-12-25
Publication date: 2020-11-19
Also published as: CN210387968U

Abstract

A laser cutting device (100). The laser cutting device (100) comprises: a frame (10); a rotating mechanism, disposed on the frame (10), the rotating mechanism comprising a rotating assembly (20) and a hydraulic clamp (30) connected to the rotating assembly (20), the hydraulic clamp (30) being provided with a clamping slot (321), and the clamping slot (321) is configured to clamp a workpiece (200); and a cutting mechanism, disposed on the frame (10) and located above the rotating mechanism, the cutting mechanism comprising a rough cutting tool (411) and a fine cutting laser (421) spaced from each other.

Description

Laser cutting equipment

This application claims the priority of the Chinese patent application filed on May 14, 2019, with application number 201920688342.5, entitled "Laser Cutting Equipment", which is hereby incorporated by reference in its entirety.

Technical field

This application relates to the technical field of laser cutting, and in particular to a laser cutting device.

Background technique

In the field of cutting technology, the traditional cutting method is to use a diamond cutter wheel to cut a large piece of material to approximate the size of the finished product, and then process it to a set size with a milling machine. These methods will cause the material to crack and destroy the structure of the material itself during the processing. The cutting quality is affected, and the processing accuracy and efficiency are low. In order to obtain good cutting quality, it is often necessary to process the workpiece multiple times, which will lead to a long processing time.

As a precise processing method, laser cutting is widely used for processing workpieces. With the current rapid development of automation, intelligence, and information, higher requirements are put forward for workpiece accuracy and processing efficiency. The current processing machines are single-station processing, the rough machining and fine processing of the workpiece are performed on different equipment, so the product needs to be clamped twice, and the accuracy and response speed of the clamping will affect the product Processing accuracy and processing efficiency.

Technical solutions

The main purpose of this application is to provide a laser cutting device, which aims to improve processing accuracy and processing efficiency.

In order to achieve the above objective, this application proposes a laser cutting device, which is configured to cut a workpiece, and the laser cutting device includes:

frame;

The rotating mechanism is arranged in the frame. The rotating mechanism includes a rotating assembly and a hydraulic clamping member connected with the rotating assembly. The hydraulic clamping member is provided with a clamping groove, and the clamping groove is configured as a clamping Holding the workpiece; and

The cutting mechanism is arranged on the frame and above the rotating mechanism, and the cutting mechanism includes a rough cutting tool and a fine cutting laser arranged at intervals;

The rotating assembly drives the hydraulic clamping member to rotate, so that the workpiece corresponds to the rough cutting tool, so that the rough cutting tool performs rough cutting on the workpiece, or makes the workpiece and the fine cutting The laser is corresponding, so that the fine cutting laser performs fine cutting on the workpiece.

Optionally, the rotating assembly is provided with a mounting cavity and an opening communicating with the mounting cavity, the hydraulic clamping member further includes a hydraulic cylinder and a clamping head, the hydraulic cylinder is arranged in the mounting cavity, the The clamping head is located at the opening of the installation cavity, the clamping head is provided with the clamping groove and a clamping member located in the clamping groove, and the clamping member is connected with the hydraulic cylinder, so The hydraulic cylinder drives the clamping member to clamp the workpiece.

Optionally, the hydraulic clamping member further includes a protective shell, the protective shell is arranged in a funnel shape, and the clamping head is located in the space formed by the protective shell.

Optionally, the rotating assembly is further provided with a side wall shell covering the installation cavity, and one end of the protective shell abuts against the shell.

Optionally, the end of the housing is provided with a step, and the end of the protective shell is provided with a limiting block corresponding to the step. The cooperation of the limiting block and the step realizes the radial displacement of the protective shell. Limit.

Optionally, the clamping member and the side wall of the clamping groove are enclosed to form an oil cavity, and the hydraulic cylinder includes a cylinder having a cavity and a piston rod movably arranged in the cavity The oil cavity is in communication with the cavity, and the piston rod moves in the cavity to enable the clamping member to clamp or release the workpiece.

Optionally, one end of the clamping head is provided with a mounting plate, and the clamping head is fixedly installed with the end of the cylinder body through the mounting plate, and the mounting plate is provided with an escape hole, the The oil cavity is in communication with the cavity of the cylinder.

Optionally, the clamping head further includes an oil hole arranged along a radial direction of the clamping groove, and the oil hole is in communication with the oil cavity.

Optionally, the hydraulic cylinder further includes an oil pipe communicating with the cavity, and the oil pipe is configured to input oil into the cavity.

Optionally, the frame includes a horizontal workbench and a vertical workbench set on the horizontal workbench, the horizontal workbench and the vertical workbench are arranged vertically, the rotating assembly and the hydraulic The clamping piece is slidably arranged on the horizontal worktable, and the rough cutting tool and the fine cutting laser are slidably arranged on the vertical worktable.

Optionally, the rotating component includes:

The fixed seat is set on the horizontal workbench;

The first rotating table is arranged on the fixing base, and a side of the first rotating table facing away from the fixing base is provided with a mounting part; and

The second rotating table is arranged on the mounting part, the hydraulic clamping member is arranged on the side of the second rotating table facing away from the mounting part, and the first rotating table drives the second rotating table to rotate The direction is perpendicular to the direction in which the second rotating table drives the workpiece to rotate.

Optionally, the laser cutting equipment further includes a longitudinal drive motor, a longitudinal slide rail, and a longitudinal sliding seat connected to the longitudinal drive motor, which are slidably arranged on the horizontal table. In the longitudinal slide rail, the fixed seat is provided on a side of the longitudinal slide seat facing away from the longitudinal slide rail, and the longitudinal drive motor drives the longitudinal slide seat to slide along the longitudinal slide rail to drive the The fixed seat and the hydraulic clamping member move.

Optionally, the laser cutting equipment further includes:

The first lifting component is arranged on the vertical worktable, the rough cutting tool is arranged on the first lifting component, and the first lifting component drives the rough cutting tool to move up and down to make the rough cutting tool Close to or away from the workpiece;

The second lifting assembly is arranged on the vertical worktable and is arranged at intervals from the first lifting assembly, the fine cutting laser is arranged on the second lifting assembly, and the second lifting assembly drives the fine cutting The laser moves up and down so that the fine-cutting laser is close to or away from the workpiece.

Optionally, the first lifting assembly includes a first lifting motor, a first screw and a first lifting seat, the first lifting motor is arranged on the vertical workbench, and one end of the first screw is connected to The first lifting seat is connected, the other end is connected with the first lifting motor, and the rough cutting tool is arranged on the first lifting seat.

Optionally, the second lifting assembly includes a second lifting motor, a second screw and a second lifting seat, the second lifting motor is arranged on the vertical workbench, and one end of the second screw is connected to The second lifting base is connected, the other end is connected with the second lifting motor, and the fine cutting laser is arranged on the second lifting base.

Optionally, the laser cutting equipment further includes a detection system that includes a probe and a visual detector that are spaced apart from the first lifting assembly, and the visual detector is adjacent to the probe The cutting tool is set, the probe is set to measure the depth of the cutting line, and the visual detector is set to scan the workpiece.

Optionally, the fine cutting laser mechanism further includes a galvanometer, and the fine cutting laser is connected to the light entrance of the galvanometer.

Optionally, the laser cutting equipment further includes a transverse drive transverse drive assembly arranged on the vertical worktable, the first lifting assembly and the second lifting assembly are arranged at intervals in the transverse drive assembly, the The lateral drive assembly drives the first lifting assembly and the second lifting assembly to move laterally.

Optionally, the lateral drive assembly includes a lateral drive motor, a lateral slide rail, and a first lateral sliding seat and a second lateral sliding seat connected to the lateral drive motor. The driving motor drives the first lateral sliding seat and the second lateral sliding seat to slide along the lateral sliding rail.

Optionally, the laser cutting equipment further includes a housing formed with an accommodating space, the housing is provided with a window communicating with the accommodating space, and a protective door is provided at the window, the frame, the rotating mechanism And the cutting mechanism is all arranged in the containing space.

The technical solution of the present application locks the workpiece with a hydraulic clamping piece to prevent the workpiece from loosening during the cutting process, so as to improve the processing accuracy, and the clamping force is reliable and the response is fast, and the cutting efficiency is improved. Use the rotating assembly to drive the hydraulic clamping piece to rotate, so as to precisely control the rotation angle of the workpiece. After the rough cutting tool is used to cut the contour of the workpiece, the fine cutting laser is used to finely cut the workpiece, which further improves the cutting accuracy and can avoid the workpiece The second clamping can extend the processing time, thereby improving the processing efficiency.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments or exemplary technologies of the present application, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or exemplary technologies. Obviously, the accompanying drawings in the following description are merely These are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structure shown in these drawings.

FIG. 1 is a schematic structural diagram of an embodiment of a laser cutting device according to this application;

Figure 2 is a schematic diagram of the structure of the laser cutting equipment in Figure 1;

Figure 3 is a front view of the laser cutting equipment in Figure 2;

Figure 4 is a right side view of the laser cutting equipment in Figure 1;

Figure 5 is a schematic view of the structure of the rotating mechanism and the hydraulic clamping member in Figure 2;

Fig. 6 is a partial structural diagram of the rotating mechanism and the hydraulic clamp in Fig. 4.

Description with icon number:

标号 Label	名称 name	标号 Label	名称 name
100 100	激光切割设备 Laser cutting equipment	322 322	夹持件 Clamp
10 10	机架 frame	323 323	油液腔 Oil cavity
11 11	竖直工作台 Vertical workbench	324 324	油孔 Oil hole
111 111	纵向滑座 Longitudinal slide	325 325	安装板 Mounting plate
12 12	水平工作台 Horizontal workbench	326 326	保护壳 Protective shell
121 121	第一横向滑座 First lateral carriage	411 411	粗切割刀具 Rough cutting tool
122 122	第二横向滑座 Second lateral carriage	412 412	第一升降组件 The first lifting assembly
13 13	底座 Base	4121 4121	第一升降电机 The first lifting motor
20 20	旋转组件 Rotating components	421 421	精切割激光器 Fine cutting laser
21 twenty one	固定座 Fixed seat	4122 4122	第一升降座 First lift seat
22 twenty two	第一旋转台 The first rotating table	422 422	第二升降组件 The second lifting assembly
221 221	安装部 Installation Department	4221 4221	第二升降电机 The second lifting motor
23 twenty three	第二旋转台 Second rotating table	4222 4222	第二升降座 Second lift seat
231 231	外壳 shell	423 423	振镜 Galvanometer
24 twenty four	传感器 sensor	50 50	检测系统 Detection Systems
30 30	液压夹持件 Hydraulic clamp	51 51	探针 Probe
31 31	液压缸 Hydraulic cylinder	52 52	视觉检测器 Visual detector
311 311	缸体 Cylinder	53 53	第三升降电机 The third lifting motor
312 312	活塞杆 Piston rod	54 54	第三升降座 The third lift seat
313 313	容腔 Cavity	60 60	壳体 case
314 314	油管 Tubing	61 61	操作面板 Operation panel
32 32	夹持头 Clamping head	62 62	防护门 Protective door
321 321	夹持槽 Clamping groove	200 200	工件 Artifact

The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Embodiments of the invention

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only set to explain the difference between components in a specific posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

In this application, unless otherwise clearly specified and limited, the terms "connected", "fixed", etc. should be interpreted broadly. For example, "fixed" can be a fixed connection, a detachable connection, or a whole; It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components or the interaction relationship between two components, unless specifically defined otherwise. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

In addition, the descriptions related to "first", "second", etc. in this application are only set for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Not within the scope of protection required by this application.

This application proposes a laser cutting device 100.

Please refer to FIG. 2, FIG. 3 and FIG. 6, the laser cutting equipment 100 includes:

Rack 10;

The rotating mechanism is arranged in the frame 10. The rotating mechanism includes a rotating assembly 20 and a hydraulic clamping member 30 connected to the rotating assembly 20. The hydraulic clamping member 30 is provided with a clamping groove 321 which is set to clamp the workpiece 200 ；

The cutting mechanism is set in the frame 10, and the cutting mechanism includes a rough cutting tool 411 and a fine cutting laser 421 arranged at intervals;

The rotating assembly 20 drives the hydraulic clamp 30 to rotate, so that the workpiece 200 corresponds to the rough cutting tool 411, so that the rough cutting tool 411 performs rough cutting on the workpiece 200, or the workpiece 200 corresponds to the fine cutting laser 421, so that the fine cutting laser 421 performs fine cutting on the workpiece 200.

It should be noted that the rough cutting tool 411 may be a milling cutter, a turning tool or a diamond wheel, and the rough cutting tool 411 generates an initial scratch on the surface of the workpiece 200 according to the initial cutting path. The laser spot emitted by the fine cutting laser 421 coincides with the predetermined cutting route to cut the workpiece 200.

The pressure of the liquid causes the side walls of the clamping groove 321 to expand outward, so that sufficient clamping force is applied to the workpiece 200. Specifically, the rotating assembly 20 can be controlled by a DD motor, and the DD motor can be directly connected to the motion device. Due to the direct drive method, there is no mechanical backlash problem of the conventional servo system, so that precise control of the rotation angle can be achieved. It can achieve precise control of the rotation angle of the workpiece 200.

The technical solution of the present application locks the workpiece 200 by the hydraulic clamping member 30 to prevent the workpiece 200 from loosening during the cutting process, so as to improve the processing accuracy, and the clamping force is reliable and the response is fast, which can improve the cutting efficiency. The rotating assembly 20 is used to drive the hydraulic clamping member 30 to rotate, so as to precisely control the rotation angle of the workpiece 200. After the rough cutting tool 411 cuts the contour of the workpiece, the fine cutting laser 421 is used to finely cut the workpiece 200 to further improve the cutting accuracy. In addition, the secondary clamping of the workpiece 200 can be avoided and the processing time can be prolonged, thereby improving the processing efficiency.

The laser cutting device 100 of the present application is not limited to a five-axis vertical cutting device, but can also be a three-axis or four-axis cutting device. The cutting device can also be a vertical or horizontal type, which is not limited here.

5 and 6, the rotating assembly 20 is provided with a mounting cavity and an opening communicating with the mounting cavity. The hydraulic clamping member 30 also includes a hydraulic cylinder 31 and a clamping head 32. The hydraulic cylinder 31 is arranged in the mounting cavity and the clamping head 32 is located at the opening of the installation cavity. The clamping head 32 is provided with a clamping groove 321 and a clamping member 322 located in the clamping groove 321. The clamping member 322 is connected to the hydraulic cylinder 31, and the hydraulic cylinder 31 drives the clamping member 322 to clamp Tight the workpiece 200.

One end of the workpiece 200 is located in the clamping groove 321, and the other end protrudes from the notch of the clamping groove 321, thereby facilitating processing of the workpiece 200. The liquid is located between the side wall of the clamping groove 321 and the clamping member 322, and the liquid transmits pressure to the clamping member 322 to expand the side wall of the clamping member 322 outward, so that the clamping member 322 clamps the workpiece 200.

Optionally, the hydraulic clamping member 30 further includes a protective shell 326 that is arranged in a funnel shape, and the clamping head 32 is located in the space formed by the protective shell 326 to prevent dust from falling into the outer surface of the clamping head 32. In addition, the rotating assembly 20 is further provided with a side wall shell 231 covering the installation cavity, and one end of the protective shell 326 abuts the shell 231. The end of the shell 231 is provided with a step, and the end of the protective shell 326 is provided with a limit block corresponding to the step. The cooperation of the limit block and the step realizes the radial limit of the protective shell 326. In the axial direction, fasteners and The cooperation of the mounting holes fixes the protective shell 326.

Please continue to refer to FIGS. 5 and 6, the clamping member 322 and the side wall of the clamping groove 321 are enclosed to form an oil cavity 323. The hydraulic cylinder 31 includes a cylinder body 311 having a cavity 313 and is movably disposed in the cavity 313. The inner piston rod 312, the oil cavity 323 and the cavity 313 are connected, and the piston rod 312 moves in the cavity 313 so that the clamping member 322 clamps or releases the workpiece 200.

The shape of the clamping member 322 matches with the clamping groove 321, so that the clamping member 322 and the side wall of the clamping groove 321 form an oil cavity 323. One end of the clamping head 32 is provided with a mounting plate 325 to clamp The head 32 is fixedly installed with the end of the cylinder body 311 through the mounting plate 325, and the mounting plate 325 is provided with an escape hole, so that the oil cavity 323 is communicated with the cavity 313 of the cylinder body 311, and one end of the piston rod 312 is provided with The piston seals the oil cavity 323. The movement of the piston rod 312 is controlled to apply pressure to the oil, and the side wall of the oil cavity 323 is expanded by the pressure of the oil, thereby generating a pressure inward along the radial direction of the clamping groove 321, thereby clamping the Hold the inner tool of the groove 321. The side wall of the oil cavity 323 is made of elastic material, which deforms after being stressed, and can quickly return to the original shape after the external force is withdrawn.

Optionally, the clamping head 32 further includes an oil hole 324 arranged in a radial direction of the clamping groove 321, the oil hole 324 is in communication with the oil cavity 323, and oil is injected into the oil cavity 323 from the oil hole 324. The hydraulic cylinder 31 also includes an oil pipe 314 communicating with the cavity 313, and oil can be input into the cavity 313 through the oil pipe 314. And the oil in the oil pipe 315 can be moved by the cylinder, so that the piston rod 312 can move in the cavity 313 to compress the oil in the oil cavity 323, and the piston rod 312 can be controlled by controlling the movement of the cylinder. The speed and distance of the movement to control the clamping response speed and the size of the clamping force.

2 to 4, the frame 10 includes a horizontal workbench 12 and a vertical workbench 11 set above the horizontal workbench 12, the horizontal workbench 12 and the vertical workbench 11 are vertically arranged, the rotating assembly 20 and hydraulic The clamping member 30 is slidably arranged on the horizontal table 12, and the rough cutting tool 411 and the fine cutting laser 421 are slidably arranged on the vertical table 11.

In this embodiment, both the horizontal workbench 12 and the vertical workbench 11 are made of marble, which can ensure the flatness of the workbench, thereby ensuring sufficient machining accuracy. In addition, the frame 10 further includes a base 13 on which both the horizontal workbench 12 and the vertical workbench 11 are located. It can be defined that the line intersecting the horizontal workbench 12 and the vertical workbench 11 is the X axis, and the line located on the horizontal workbench 12 and perpendicular to the X axis is the Y axis, which is located on the vertical workbench 11 and is at the same time as the X axis and the Y axis. The vertical line is the Z axis.

It can be understood that the movement of the rotating assembly 20, the movement of the rough cutting tool 411 and the fine cutting laser 421, and the rotation of the rotating assembly 20 can realize the cutting of any path of the workpiece 200. Specifically, the rotating assembly 20 and the hydraulic clamping member 30 can slide along the Y axis, and the rough cutting tool 411 and the fine cutting laser 421 can slide along the X axis and the Z axis; of course, the rotating assembly 20 and the hydraulic clamping member 30 can also slide along the Y axis. The X-axis sliding, the rough cutting tool 411 and the fine cutting laser 421 can also slide along the Y axis and the Z axis, as long as the rough cutting tool 411 and the fine cutting laser 421 move relative to the workpiece 200, which is not limited here.

2 to 5, the rotating assembly 20 includes:

The fixed seat 21 is set on the horizontal workbench 12;

The first rotating table 22 is disposed on the fixing base 21, and the side of the first rotating table 22 facing away from the fixing base 21 is provided with a mounting portion 221;

The second rotating table 23 is arranged on the mounting part 221, and the hydraulic clamping member 30 is arranged on the side of the second rotating table 23 facing away from the mounting part 221. The first rotating table 22 drives the second rotating table 23 to rotate in the same direction as the second The direction in which the rotating table 23 drives the workpiece 200 to rotate is perpendicular.

Specifically, the rotating assembly 20 includes a first rotating table 22 and a second rotating table 23 that are connected to each other, the first rotating table 22 is in the shape of a truncated cone, and the side of the first rotating table 22 facing away from the fixing seat 21 is provided with a mounting portion 221, The second rotating table 23 is fixed to the mounting part 221, and the first rotating table 2221 is located at the radial edge of the first rotating table 22, so that the first rotating table 2221 rotates by a small angle, and the second rotating table 2322 is generated. Larger displacement, thereby reducing energy loss. The first rotating table 22 and the second rotating table 23 drive the workpiece 200 to rotate, so as to realize the arc cutting of the workpiece 200. It should be noted that the rotation axis of the first rotating table 22 is parallel to the Y axis, and the rotation axis of the second rotating table 23 is parallel to the X axis.

2 and 4, the laser cutting device 100 also includes a longitudinal drive motor, a longitudinal slide rail, and a longitudinal slide 111 connected to the longitudinal drive motor, which are slidably provided in the longitudinal direction. For the sliding rail, the fixed seat 21 is provided on the side of the longitudinal sliding seat 111 facing away from the longitudinal sliding rail, and the longitudinal driving motor drives the longitudinal sliding seat 111 to slide along the longitudinal sliding rail to drive the fixed seat 21 and the hydraulic clamping member 30 to move.

In order to realize the movement of the first rotating table 22 and the second rotating table 23, a longitudinal drive motor is provided on the horizontal worktable 12. The longitudinal drive motor drives the longitudinal slide 111 to slide on the longitudinal slide rail, that is, the longitudinal drive motor makes the first The rotating table 22 and the second rotating table 23 move along the Y axis, thereby driving the fixed seat 21 placed on the longitudinal sliding seat 111 to move, so that the workpiece 200 is located under the rough cutting tool 411 and the fine cutting laser 421. The longitudinal drive motor is a servo motor to achieve accurate distance adjustment.

Please refer to FIG. 2, the laser cutting device 100 further includes:

The first lifting assembly 412 is arranged on the vertical worktable 11, the rough cutting tool 411 is arranged on the first lifting assembly 412, and the first lifting assembly 412 drives the rough cutting tool 411 to move up and down, so that the rough cutting tool 411 is close to or away from the workpiece 200 ；

The second lifting component 422 is arranged on the vertical worktable 11 and spaced apart from the first lifting component 412. The fine cutting laser 421 is arranged on the second lifting component 422. The second lifting component 422 drives the fine cutting laser 421 to move up and down to make The fine cutting laser 421 is close to or far from the workpiece 200.

In this embodiment, the first lifting component 412 and the second lifting component 422 respectively move the rough cutting tool 411 and the fine cutting laser 421 up and down along the Z axis to adjust the distance from the workpiece 200.

Specifically, the first lifting assembly 412 includes a first lifting motor 4121, a first screw, and a first lifting base 4122. The first lifting motor 4121 is provided on the vertical table 11, and one end of the first screw is connected to the first lifting base 4122. 4122 is connected, and the other end is connected with the first lifting motor 4121. The rough cutting tool 411 is arranged on the first lifting seat 4122. The first lifting motor 4121 drives the first screw rod to drive the first lifting seat 4122 and the rough cutting tool 411 to move up and down.

The second lifting assembly 422 includes a second lifting motor 4221, a second screw, and a second lifting base 4222. The second lifting motor 4221 is provided on the vertical table 11, and one end of the second screw is connected to the second lifting base 4222. The other end is connected with the second lifting motor 4221. The fine cutting laser 421 is arranged on the second lifting base 4222. The second lifting motor 4221 drives the second screw rod to drive the second lifting base 4222 and the fine cutting laser 421 to move up and down.

2 to 4, the laser cutting equipment 100 further includes a detection system 50, the detection system 50 includes a probe 51 and a visual detector 52 spaced apart from the first lifting assembly 412, the visual detector 52 is adjacent to the probe 51 The cutting tool 411 is set, the probe 51 is set to measure the depth of the cutting line, and the visual detector 52 is set to scan the workpiece 200.

In this embodiment, the probe 51 is set to measure the depth profile of the cutting line, and the visual detector 52 scans the shape and contour of the surface of the workpiece 200, so as to accurately calculate the specific position of the workpiece 200, so that the workpiece can be measured according to a preset path. 200 for cutting. Specifically, the visual detector 52 may be a CCD, and the CCD may also detect the straightness, contour shape, angle, and parallelism of the workpiece 200.

Optionally, the detection system 50 further includes a third lifting assembly, which is used to move the probe 51 up and down. Specifically, the third lifting assembly includes a third lifting motor 53 and a third lifting base 54. The third lifting motor 53 is disposed on the first lifting base 4122, the probe 51 is disposed on the third lifting base 54, and the first lifting base 4122 realizes The rough adjustment of the distance between the probe 51 and the workpiece 200, the third lifting motor 53 realizes the fine adjustment of the distance, so that the probe 51 touches the surface of the workpiece 200 and performs real-time and full-area depth profile measurement to obtain the depth of the cutting line And width curve information. Similarly, a fourth lifting assembly can also be provided on the first lifting seat 4122, and the fourth lifting assembly is used to drive the rough cutting tool 411 to move up and down.

It should be noted that the fine cutting laser mechanism 42 also includes a galvanometer 423. The fine cutting laser 421 is connected to the light entrance of the galvanometer 423. The laser is scanned by the galvanometer 423 to form a laser spot that matches the processing path. Moving up and down can adjust the focal length of the laser to achieve precise cutting of the workpiece 200. During cutting, the workpiece 200 is moved to the scanning range of the galvanometer 423 to improve the positioning accuracy of the laser, thereby improving the cutting accuracy.

2 and 3, the laser cutting device 100 also includes a lateral drive assembly arranged on the vertical workbench 11, the first lifting assembly 412 and the second lifting assembly 422 are arranged on the lateral drive assembly, the lateral drive assembly drives the first lifting The assembly 412 and the second lifting assembly 422 move laterally.

Specifically, the lateral drive assembly includes a lateral drive motor, a lateral slide rail, and a first lateral slide base 121 and a second lateral slide base 122 connected to the lateral drive motor. The lateral drive motor drives the first lateral slide. The seat 121 and the second horizontal sliding seat 122 slide along the horizontal sliding rail, which is arranged parallel to the X axis.

The first lifting assembly 412 is arranged on the first lateral sliding seat 121, and the rough cutting tool 411 and the visual detector 52 are driven to move along the X axis through the first lateral sliding seat 121; the second lifting assembly 422 is arranged on the second lateral sliding seat 122, The second transverse sliding seat 122 drives the fine cutting laser 421 to move along the X axis, thereby adjusting the relative position with the workpiece 200, and then accurately cutting the workpiece 200.

1, the laser cutting equipment 100 further includes a housing 60 formed with a receiving space, the housing 60 is provided with a window communicating with the receiving space, a protective door 62 is provided at the window, and the frame 10, the rotating mechanism and the cutting mechanism are all provided In the accommodation space.

Cutting the workpiece 200 in the containing space can not only reduce the influence of the external environment on the cutting accuracy, but also improve the safety performance. The protective door 62 can be rotatably connected with the housing 60 by a rotating shaft or a pin, and a glass observation window is provided on the protective door 62 to facilitate observation of the cutting condition of the workpiece 200. In addition, an operation panel 61 is provided outside the casing, and the laser cutting device 100 can be controlled through the operation panel 61.

The above descriptions are only optional embodiments of the application, and do not limit the scope of the patent for this application. Under the concept of the application, the equivalent structure transformations made by the content of the specification and drawings of the application, or direct/indirect use Other related technical fields are included in the scope of patent protection of this application.

Claims

A laser cutting device is set to cut a workpiece, which includes:

frame;

The rotating mechanism is arranged in the frame. The rotating mechanism includes a rotating assembly and a hydraulic clamping member connected with the rotating assembly. The hydraulic clamping member is provided with a clamping groove, and the clamping groove is configured as a clamping Holding the workpiece; and

The cutting mechanism is arranged on the frame and above the rotating mechanism, and the cutting mechanism includes a rough cutting tool and a fine cutting laser arranged at intervals;

The rotating assembly drives the hydraulic clamping member to rotate, so that the workpiece corresponds to the rough cutting tool, so that the rough cutting tool performs rough cutting on the workpiece, or makes the workpiece and the fine cutting The laser is corresponding, so that the fine cutting laser performs fine cutting on the workpiece.
The laser cutting equipment according to claim 1, wherein the rotating assembly is provided with a mounting cavity and an opening communicating with the mounting cavity, the hydraulic clamping member further comprises a hydraulic cylinder and a clamping head, the hydraulic cylinder is provided In the installation cavity, the clamping head is located at the opening of the installation cavity, the clamping head is provided with the clamping groove and the clamping member located in the clamping groove, the clamping The piece is connected with the hydraulic cylinder, and the hydraulic cylinder drives the clamping piece to clamp the workpiece.
3. The laser cutting device according to claim 2, wherein the hydraulic clamping member further comprises a protective shell, the protective shell is arranged in a funnel shape, and the clamping head is located in the space formed by the protective shell.
3. The laser cutting equipment according to claim 3, wherein the rotating assembly is further provided with a side wall shell covering the mounting cavity, and one end of the protective shell abuts against the shell.
The laser cutting device according to claim 4, wherein the end of the housing is provided with a step, and the end of the protective housing is provided with a stop block corresponding to the step, and the stop block cooperates with the step The radial limit of the protective shell is realized.
The laser cutting device according to claim 2, wherein the clamping member and the side wall of the clamping groove form an oil cavity, and the hydraulic cylinder includes a cylinder with a cavity and a movable set In the piston rod in the cavity, the oil cavity is in communication with the cavity, and the piston rod moves in the cavity to enable the clamping member to clamp or release the workpiece.
The laser cutting device according to claim 6, wherein a mounting plate is provided at one end of the clamping head, and the clamping head is fixedly installed with the end of the cylinder through the mounting plate, and the mounting The plate is provided with an escape hole, and the oil cavity is communicated with the cavity of the cylinder.
7. The laser cutting apparatus according to claim 7, wherein the clamping head further comprises an oil hole arranged along a radial direction of the clamping groove, and the oil hole is in communication with the oil cavity.
8. The laser cutting equipment according to claim 8, wherein the hydraulic cylinder further comprises an oil pipe communicating with the cavity, and the oil pipe is configured to input oil into the cavity.
The laser cutting equipment according to claim 6, wherein the frame comprises a horizontal workbench and a vertical workbench provided on the horizontal workbench, the horizontal workbench and the vertical workbench are arranged vertically The rotating assembly and the hydraulic clamping member are slidably arranged on the horizontal worktable, and the rough cutting tool and the fine cutting laser are slidably arranged on the vertical worktable.
9. The laser cutting apparatus of claim 10, wherein the rotating assembly comprises:

The fixed seat is set on the horizontal workbench;

The first rotating table is arranged on the fixing base, and a side of the first rotating table facing away from the fixing base is provided with a mounting part; and

The second rotating table is arranged on the mounting part, the hydraulic clamping member is arranged on the side of the second rotating table facing away from the mounting part, and the first rotating table drives the second rotating table to rotate The direction is perpendicular to the direction in which the second rotating table drives the workpiece to rotate.
The laser cutting device according to claim 11, wherein the laser cutting device further comprises a longitudinal drive motor, a longitudinal slide rail, and a longitudinal slide connected to the longitudinal drive motor, which are arranged on the horizontal table The longitudinal sliding seat is slidably arranged on the longitudinal sliding rail, the fixing seat is arranged on the side of the longitudinal sliding seat facing away from the longitudinal sliding rail, and the longitudinal driving motor drives the longitudinal sliding seat along the The longitudinal slide rail slides to drive the fixed seat and the hydraulic clamping member to move.
9. The laser cutting device of claim 10, wherein the laser cutting device further comprises:

The first lifting component is arranged on the vertical worktable, the rough cutting tool is arranged on the first lifting component, and the first lifting component drives the rough cutting tool to move up and down to make the rough cutting tool Close to or away from the workpiece;

The second lifting assembly is arranged on the vertical worktable and is arranged at intervals from the first lifting assembly, the fine cutting laser is arranged on the second lifting assembly, and the second lifting assembly drives the fine cutting The laser moves up and down so that the fine-cutting laser is close to or away from the workpiece.
The laser cutting equipment according to claim 13, wherein the first lifting assembly comprises a first lifting motor, a first screw, and a first lifting seat, and the first lifting motor is provided on the vertical workbench, One end of the first screw rod is connected with the first lifting seat, and the other end is connected with the first lifting motor, and the rough cutting tool is arranged on the first lifting seat.
15. The laser cutting equipment according to claim 14, wherein the second lifting assembly comprises a second lifting motor, a second screw rod, and a second lifting seat, and the second lifting motor is provided on the vertical workbench, One end of the second screw rod is connected with the second lifting base, and the other end is connected with the second lifting motor, and the fine cutting laser is arranged on the second lifting base.
The laser cutting device according to claim 13, wherein the laser cutting device further comprises a detection system, the detection system comprising a probe and a visual detector arranged at intervals on the first lifting assembly, the visual detector The probe is arranged adjacent to the rough cutting tool, the probe is arranged to measure the depth of the cutting line, and the visual detector is arranged to scan the workpiece.
15. The laser cutting device according to claim 16, wherein the fine cutting laser mechanism further comprises a galvanometer, and the fine cutting laser is connected to the light entrance of the galvanometer.
The laser cutting device according to claim 6, wherein the laser cutting device further comprises a transverse drive transverse drive assembly provided on the vertical worktable, the first lifting assembly and the second lifting assembly are spaced In the lateral drive assembly, the lateral drive assembly drives the first lifting assembly and the second lifting assembly to move laterally.
The laser cutting equipment according to claim 18, wherein the lateral drive assembly comprises a lateral drive motor, a lateral slide rail, and a first lateral sliding seat connected to the lateral drive motor, which are provided on the vertical worktable. The second lateral sliding seat, the lateral driving motor drives the first lateral sliding seat and the second lateral sliding seat to slide along the lateral sliding rail.
The laser cutting device according to claim 1, wherein the laser cutting device further comprises a housing formed with a receiving space, the housing is provided with a window communicating with the receiving space, and a protection is provided at the window The door, the frame, the rotating mechanism and the cutting mechanism are all arranged in the containing space.