CN219189009U

CN219189009U - Laser cutting machine

Info

Publication number: CN219189009U
Application number: CN202223133520.9U
Authority: CN
Inventors: 曹金永
Original assignee: Dongguan Yuanying Hardware Electronic Products Co ltd
Current assignee: Dongguan Yuanying Hardware Electronic Products Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-16
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of laser cutting production equipment, in particular to a laser cutting machine, which comprises a cabinet, a conveying mechanism arranged on the cabinet and a laser cutting mechanism arranged at one end of the cabinet and used for conveying a processed workpiece to be processed by the conveying mechanism, wherein the cabinet is provided with a PLC control device used for controlling the conveying mechanism and the laser cutting mechanism to work cooperatively, the conveying mechanism comprises a large-scale linear moving module, a clamping assembly and an outlet positioning assembly, the laser cutting mechanism comprises a laser cutting head and a driving assembly, and the driving assembly is fixed on an L-shaped bracket. According to the utility model, the workpiece can be rapidly clamped and fixed through the outlet positioning assembly, so that the workpiece is prevented from moving or deflecting in the cutting process, and the cutting quality and the cutting size of the workpiece are prevented from being influenced.

Description

Laser cutting machine

Technical Field

The utility model relates to the technical field of laser cutting production equipment, in particular to a laser cutting machine.

Background

The laser cutting machine focuses laser emitted from the laser into laser beams with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach the melting point or boiling point, and high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. The cutting of the existing pipe, cylindrical iron rod and plate is mainly completed by laser cutting.

When a long tubular or cylindrical workpiece is cut, most of the workpieces are clamped by an air claw for processing, or clamped by a chuck for processing, for example, a simple laser cutting machine disclosed in Chinese patent 2022210232679 adopts the chuck for clamping and is pressed by an air cylinder for stabilizing the workpiece; however, when workpieces with different lengths are processed, the pressure of the air cylinder and the pressure center position of the air cylinder are required to be adjusted, if the workpiece at one end of the chuck is loose due to overlarge pressure, the workpiece is deviated to one side, the precision of the processed workpiece is affected, meanwhile, when the laser cutting machine is debugged, the workpiece is easily cut to the part of the workpiece which is pressed by the air cylinder, the pressing head of the air cylinder is required to be replaced at random, so that the processing efficiency is reduced, and the cost is increased.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a laser cutting machine with stable clamping.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a laser cutting machine comprises a machine cabinet, a conveying mechanism arranged on the machine cabinet and a laser cutting mechanism arranged at one end of the machine cabinet and used for conveying a processed workpiece to be processed by the conveying mechanism, wherein the machine cabinet is provided with a PLC control device used for controlling the conveying mechanism and the laser cutting mechanism to work cooperatively; the conveying mechanism comprises a large linear moving module horizontally arranged on the cabinet, a clamping assembly arranged on the large linear module and an outlet positioning assembly opposite to a discharge hole of the clamping assembly, and a workpiece clamped by the clamping assembly moves through the outlet positioning assembly through the large linear module and is conveyed to the laser cutting mechanism; the laser cutting mechanism comprises a laser cutting head and a driving assembly for driving the laser cutting head to move up and down and left and right, the driving assembly is fixed on the L-shaped bracket, and the laser cutting head is positioned above the outlet positioning assembly.

Preferably, the outlet positioning assembly is arranged at the tail end of the linear module and is positioned at the side of the L-shaped support, the outlet positioning assembly comprises a grinding tool carrying platform and a locking outlet die plate arranged on the grinding tool carrying platform, an outlet die guide plate is fixed at the rear end of the locking outlet die plate, and a gripper is arranged at the bottom of the grinding tool carrying platform, penetrates through the grinding tool carrying platform and stretches into an air gripper between the locking outlet die plate and the outlet die guide plate.

Preferably, a spacer is arranged between the outlet die plate and the outlet die guide plate, and guide holes for the processed workpiece to pass through and to be opposite to the outlet die plate and the outlet die guide plate are respectively arranged on the outlet die plate and the outlet die guide plate.

Preferably, the clamping assembly comprises a hollow spindle stepper motor and a spin chuck driven by the hollow spindle stepper motor.

Preferably, the driving assembly comprises a horizontal guide sliding rail arranged on the L-shaped support and a sliding seat arranged on the guide sliding rail, a screw rod for driving the sliding seat to move left and right along the horizontal guide sliding rail and a servo motor for driving the screw rod to rotate are arranged on the L-shaped support, a small linear movement module is vertically arranged on the sliding seat, and the laser cutting head is arranged on the small linear movement module.

Preferably, the L-shaped support is positioned on the horizontal guide sliding rail and is provided with a telescopic dust cover connected with the sliding seat.

Preferably, the lock outlet die plate is provided with a reinforcing fixing plate in the shape of a right triangle.

Preferably, a chip collecting opening is arranged on the cabinet at the side of the grinding tool carrying platform.

Compared with the prior art, the utility model has the beneficial effects that: the workpiece is clamped by the clamping assembly, is conveyed to the lower part of the laser cutting mechanism through the large linear module moving through the outlet positioning assembly, the clamping position of the outlet positioning assembly is not required to be adjusted according to the machining length by adjusting the moving distance of the large linear module, the workpiece can be rapidly clamped and fixed by the outlet positioning assembly, the workpiece is prevented from moving or deflecting in the cutting process, and the cutting quality and the cutting size of the workpiece are prevented from being influenced; meanwhile, the laser cutting head is prevented from cutting the outlet positioning assembly, replacement or maintenance of parts is reduced, and machining efficiency is effectively guaranteed.

Drawings

FIG. 1 is a schematic view of a view angle structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic view of an outlet positioning assembly according to the present utility model;

fig. 4 is a schematic structural view of a laser cutter according to the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, the present embodiment provides a laser cutting machine, which is mainly used for processing cylindrical workpieces, and includes a cabinet 10, a conveying mechanism 20, and a laser cutting mechanism 30, wherein a PLC control device for controlling the conveying mechanism 20 and the laser cutting mechanism 30 to cooperate is disposed on the cabinet 10, the PLC control device includes a host computer disposed in the cabinet 10, a display 11 and a mouse button 12 disposed on the surface of the cabinet 10, and a switch button 13 is disposed on the cabinet 10, and the control by the PLC control device omits a complex numerical control system, thereby greatly reducing the cost, and having a very good application prospect;

specifically, the conveying mechanism 20 is mainly used for conveying and clamping and fixing a workpiece, the conveying mechanism 20 comprises a large linear moving module 21 horizontally arranged at the top of the cabinet 10 and a clamping assembly arranged on a sliding block of the large linear moving module 21, wherein the clamping assembly comprises a hollow rotating shaft stepping motor 22 fixed on the sliding block and a rotating chuck 23 driven by the hollow rotating shaft stepping motor 22, the PLC control device sets the cutting length of the workpiece, the workpiece passes through the hollow rotating shaft of the hollow rotating shaft stepping motor 22 and passes through the rotating chuck 23, the workpiece is clamped by the rotating chuck 23, the workpiece with the set length passes through the rotating chuck 23 and extends to the lower part of the laser cutting mechanism 30, the workpiece is fixed for the first time through the rotating chuck 23, and the phenomenon that the workpiece is loosened due to overlong processing of the workpiece at the rear side of the rotating chuck 23 is avoided;

in addition, referring to fig. 3, the conveying mechanism 20 further includes an outlet positioning assembly 24, the outlet positioning assembly 24 rotates the chuck 23 to face, and is fixed on the cabinet 10, the outlet positioning assembly 24 includes a grinding tool carrying table 240 with a movable slot at the top, and a locking outlet mold plate 241 disposed on the grinding tool carrying table 240, a spacer block 242 is disposed on front and rear sides of a side of the locking outlet mold plate 241 facing the rotating chuck 23, an outlet mold guide plate 243 is fixed on the spacer block 242, by disposing the spacer block 242, a clamping space is formed between the locking outlet mold plate 241 and the outlet mold guide plate 243, guide holes 244 for passing through and facing the workpiece to be processed are disposed on the locking outlet mold plate 241 and the outlet mold guide plate 243, a hole center of the guide hole 244 coincides with an axle center of the hollow rotating shaft, a gripper 2460 is disposed at the bottom of the grinding tool carrying table 240 to pass through the movable slot and extend into an air gripper 246 between the locking outlet mold plate 241 and the outlet mold guide plate 243, and the workpiece extending out of the rotating chuck 23 is clamped and fixed by the air gripper 246 for a second time, so that the workpiece is prevented from moving or deflecting during a cutting process, and the cutting quality and size of the workpiece are prevented from being affected by the cutting process.

Preferably, the lock outlet die plate 241 is provided with a reinforcing fixing plate 245 in the shape of a right triangle, so that stability of the lock outlet die plate 241 is improved, vibration is avoided when a workpiece is cut, and cutting accuracy is guaranteed.

Specifically, referring to fig. 4, the laser cutting mechanism 30 is mainly used for cutting a workpiece, the laser cutting mechanism 30 includes an L-shaped bracket 31 fixed on the cabinet 10, a laser cutting head 32, and a driving assembly for driving the laser cutting head 32 to move up and down and left and right, the driving assembly is fixed on the L-shaped bracket 31, and the laser cutting head 32 is located above the outlet positioning assembly 24; the driving assembly comprises a horizontal guide sliding rail 33 arranged on the L-shaped support 31 and a sliding seat 34 arranged on the guide sliding rail, a screw rod for driving the sliding seat 34 to move left and right along the horizontal guide sliding rail 33 and a servo motor for driving the screw rod to rotate are arranged on the L-shaped support 31, a small linear movement module 36 is vertically arranged on the sliding seat 34, the laser cutting head 32 is arranged on the small linear movement module 36, and the laser cutting head 32 is driven to move left and right through the screw rod, so that the cutting precision can be effectively guaranteed.

Preferably, the L-shaped bracket 31 is positioned on the horizontal guide sliding rail 33 and is provided with a telescopic dust cover 35 connected with the sliding seat 34, so that a large amount of dust or scraps are prevented from splashing on the horizontal guide sliding rail 33, the sliding seat 34 is prevented from being influenced, and the maintenance cost is reduced.

More preferably, the cabinet 10 located at the side of the grinding tool carrying platform 240 is provided with a chip collecting port 14, a collecting box is placed under the chip collecting port 14, and chips remained during cutting are effectively collected through the chip collecting port 14, so that the machine is recycled, environment-friendly, energy-saving and environment-friendly, and the cleaning of the working environment and equipment is guaranteed.

During operation, the total length of the workpiece is input into the PLC control device, the workpiece is inserted into the hollow rotating shaft and extends to the outer side through the rotating chuck 23, the workpiece is clamped by the rotating chuck 23, the large linear movement module 21 is started, the large linear movement module 21 drives the workpiece to move towards the outlet positioning assembly 24, the workpiece passes through the guide hole 244, after the large linear movement module 21 drives the workpiece to move to a set position, the air claw 246 is started, the gripper 2460 clamps the workpiece, at the moment, the driving assembly is started, the driving assembly drives the laser cutting head 32 to move, and the workpiece is cut.

In summary, the laser cutting machine clamps the workpiece by the clamping assembly, moves through the outlet positioning assembly 24 and sends the workpiece to the lower part of the laser cutting mechanism 30 by the large linear module, and the clamping position of the outlet positioning assembly 24 does not need to be adjusted according to the machining length by adjusting the moving distance of the large linear module, so that the workpiece can be rapidly clamped and fixed by the outlet positioning assembly 24, the workpiece is prevented from moving or deflecting in the cutting process, and the cutting quality and the cutting size of the workpiece are prevented from being influenced; and meanwhile, the laser cutting head 32 is prevented from cutting the outlet positioning assembly 24, replacement or maintenance of parts is reduced, and machining efficiency is effectively guaranteed.

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 utility model. 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 laser cutting machine is mainly used for processing cylindrical workpieces and comprises a machine cabinet, a conveying mechanism arranged on the machine cabinet and a laser cutting mechanism arranged at one end of the machine cabinet and used for conveying the processed workpieces by the conveying mechanism for processing, and is characterized in that the machine cabinet is provided with a PLC control device for controlling the conveying mechanism and the laser cutting mechanism to work cooperatively; the conveying mechanism comprises a large linear moving module horizontally arranged on the cabinet, a clamping assembly arranged on the large linear moving module and an outlet positioning assembly opposite to a discharge hole of the clamping assembly; the laser cutting mechanism comprises a laser cutting head and a driving assembly for driving the laser cutting head to move up and down and left and right, the driving assembly is fixed on the L-shaped bracket, and the laser cutting head is positioned above the outlet positioning assembly.

2. The laser cutting machine according to claim 1, wherein the outlet positioning assembly is arranged at the tail end of the linear module and is positioned at the side of the L-shaped bracket, the outlet positioning assembly comprises a grinding tool carrying platform and a locking outlet die plate arranged on the grinding tool carrying platform, an outlet die guide plate is fixed at the tail end of the locking outlet die plate, and a gripper is arranged at the bottom of the grinding tool carrying platform, penetrates through the grinding tool carrying platform and stretches into an air claw between the locking outlet die plate and the outlet die guide plate.

3. The laser cutting machine of claim 2, wherein a spacer is disposed between the exit die plate and the exit die guide plate, and guide holes are disposed in the exit die plate and the exit die guide plate for passing the workpiece therethrough and opposite thereto.

4. The laser cutting machine of claim 1, wherein the clamping assembly comprises a hollow spindle stepper motor and a spin chuck driven by the hollow spindle stepper motor.

5. The laser cutting machine according to claim 1, wherein the driving assembly comprises a horizontal guide sliding rail arranged on the L-shaped support and a sliding seat arranged on the guide sliding rail, a screw rod for driving the sliding seat to move left and right along the horizontal guide sliding rail and a servo motor for driving the screw rod to rotate are arranged on the L-shaped support, a small linear movement module is vertically arranged on the sliding seat, and the laser cutting head is arranged on the small linear movement module.

6. The laser cutting machine of claim 5, wherein the L-shaped bracket is positioned on the horizontal guide rail and provided with a retractable dust cover connected with the slide.

7. The laser cutting machine of claim 2, wherein the lock outlet die plate is provided with a reinforcing fixing plate having a right triangle shape.

8. The laser cutting machine of claim 2, wherein the cabinet located laterally of the grinder stage is provided with a debris collection port.