CN-122007665-A - Intelligent laser cutting device and process for machining automobile sheet metal parts

Abstract

The invention relates to the technical field of laser cutting, and discloses an intelligent laser cutting device and process for processing an automobile sheet metal part, wherein the intelligent laser cutting device for processing the automobile sheet metal part comprises a main body, the laser cutting machine is characterized in that a transmission mechanism is arranged at the top of the main body, a laser cutter is arranged at the top of the transmission mechanism, a frame is arranged on one side of the main body, a plurality of rapier grids are connected to the top of the frame in a sliding mode, and a linkage mechanism is arranged at the bottom of the transmission mechanism. When the laser cutter performs cutting operation longitudinally, the laser cutter moves to synchronously drive the linkage mechanism below through the transmission mechanism, and the linkage mechanism immediately drives the rapier positioned under the laser cutting point to move downwards so as to separate the rapier from contact with the surface of the sheet metal part.

Inventors

• LIU CHANGYU
• ZHANG JIAQI
• ZANG LIZHI
• YAO GANG

Assignees

• 吉林省众合汽车零部件制造有限公司

Dates

Publication Date

20260512

Application Date

20260408

Claims (7)

1. 1. The intelligent laser cutting device for machining the automobile sheet metal parts comprises a main body (1) and is characterized in that a transmission mechanism (2) is arranged at the top of the main body (1), a laser cutter (12) is arranged at the top of the transmission mechanism (2), a rack (6) is arranged on one side of the main body (1), a plurality of rapier bars (7) are connected to the top of the rack (6) in a sliding manner, a linkage mechanism (3) is arranged at the bottom of the transmission mechanism (2), and the linkage mechanism (3) comprises a storage assembly (4) fixedly connected to the bottom of the transmission mechanism (2); The storage component (4) comprises a mounting block (401) fixedly connected to the bottom of the transmission mechanism (2), a rigid chain (402) is fixedly connected to the bottom of the mounting block (401), a sprocket (406) is meshed to one side of the rigid chain (402), the linkage mechanism (3) further comprises an output component (5) arranged at the bottom of the storage component (4), the output component (5) comprises an output rod (501) fixedly connected to the bottom of the sprocket (406), a first bevel gear (502) is fixedly connected to the bottom rod surface of the output rod (501), a second bevel gear (503) is meshed to one side of the first bevel gear (502), a threaded rod (505) is fixedly connected to one side of the second bevel gear (503), a connecting block (10) is fixedly connected to the threaded surface of the threaded rod (505), a movable sleeve (504) is arranged on the periphery of the threaded rod (505), the output block (506) is slidably connected to the movable sleeve (504), an output arm (507) is fixedly connected to the top of the output block (506), a mounting ring (508) is fixedly connected to one side of the output arm (507), a mounting ring (508) is arranged on one side of the output ring (510), a rotary clamping block (509) is fixedly connected to one side of the mounting ring (508) corresponding to the output ring (510), a clamping groove (511) is formed in one side of the output ring (510) corresponding to the rotary clamping block (509), the rotary clamping block (509) is rotatably connected in the clamping groove (511), a contact (11) is fixedly connected to the bottom of each connecting block (10), and the output ring (510) is erected on the contact (11); When the main body (1) drives the transmission mechanism (2) to longitudinally move, the transmission mechanism (2) drives the linkage mechanism (3) to move, and the rapier (7) is driven to descend through the output component (5) at the bottom of the linkage mechanism (3).
2. 2. The intelligent laser cutting device for machining the automobile sheet metal parts, as set forth in claim 1, characterized in that the accommodating component (4) comprises an installing sleeve (408) fixedly connected to one side of the frame (6), the accommodating sleeve (408) is fixedly connected with the accommodating box (403) inside, one end of the rigid chain (402) is accommodated in the accommodating box (403), one side of the installing sleeve (408) corresponding to the rigid chain (402) is fixedly connected with a guide rail (404), a sliding groove (405) is formed in the position, corresponding to the rigid chain (402), of the guide rail (404), the rigid chain (402) is slidably connected in the sliding groove (405), the bottom of the installing sleeve (408) is fixedly connected with an installing frame (407), and the installing frame (407) is fixedly connected to the frame (6).
3. 3. The intelligent laser cutting device for machining the automobile sheet metal parts, according to claim 1, wherein the clamping groove (511) is in a half round pin shaft shape, and the rotary clamping block (509) is in a quarter round pin shaft shape.
4. 4. The intelligent laser cutting device for machining the automobile sheet metal parts, as set forth in claim 1, is characterized in that elastic pieces (9) are fixedly connected to the bottoms of two sides of the rapier (7), two ends of each elastic piece (9) are fixedly connected to the rack (6), elastic rods (8) are fixedly connected to two sides of each rapier (7) corresponding to each elastic piece (9), and two ends of each elastic rod (8) are fixedly connected to the rack (6).
5. 5. The intelligent laser cutting device for machining the automobile sheet metal parts, as set forth in claim 1, is characterized in that the frame (6) is provided with a mounting groove (14) at a position corresponding to the rapier (7), the rapier (7) is slidably connected in the mounting groove (14), and a plurality of clamping workpieces (13) are arranged at the top of the frame (6).
6. 6. The intelligent laser cutting device for machining the automobile sheet metal parts, which is characterized in that the top of the contact (11) is arc-shaped, and the two sides of the contact are designed with inclined planes.
7. 7. An intelligent laser cutting process for machining an automobile sheet metal part, which adopts the intelligent laser cutting device for machining an automobile sheet metal part according to claim 5, and is characterized by comprising the following steps: the robot places the sheet metal part on the rapier (7), and a positioning module on the rapier (7) rapidly clamps the workpiece (13) to ensure accurate machining; Step two, calling a processing program in a digital process library, automatically setting parameters such as laser power, cutting speed and the like, and realizing one-key calling to set laser cutting through the program; Step three, cutting by a laser cutter (12) according to a path, and monitoring the cutting state by a sensor in real time to ensure the stable quality of the cut; And fourthly, after cutting, automatically dropping the waste materials into a collecting box, and taking out the formed parts by a robot or a blanking mechanism and classifying and placing the formed parts.

Description

Intelligent laser cutting device and process for machining automobile sheet metal parts Technical Field The invention relates to the technical field of laser cutting, in particular to an intelligent laser cutting device and process for machining an automobile sheet metal part. Background The sheet metal parts of the automobile are core parts forming the automobile body and the frame, and comprise a door, an engine cover, a fender and the like, and the appearance model, the structural strength and the safety performance of the automobile are determined together. With the continuous improvement of the automobile industry on the requirements of light weight, high strength and personalized design, the manufacturing precision and efficiency of sheet metal parts become vital. In this production system, intelligent laser cutting device has become key processing equipment, the device has integrated high accuracy laser cutting head, automatic unloading system and intelligent numerical control center on, can carry out high-speed, high accuracy profile cutting and hole site processing to panel beating panel according to digital three-dimensional model, its advantage lies in, not only cut the section smooth, warp for a short time, work piece quality and material utilization ratio have been showing to promote, can also adapt to the flexible production demand of multiple varieties, small batch through the procedure fast switch over, simultaneously, combine vision location and real-time supervision technique, intelligent control and the error compensation of course of working have been realized to this system, effectively ensured production beat and product uniformity, for the high-efficient, accurate processing of modern automobile manufacturing provides reliable support. The automobile sheet metal part is placed on a cutting table of the laser cutting device, the top of the cutting table is provided with the sword grating, the automobile sheet metal part is supported by the sword grating, the automobile sheet metal part is cut by laser cutting, when the high-energy laser beam finishes cutting, the generated high-temperature molten metal can inevitably splash and drop between the surface of the sword grating and a gap between the surface of the sword grating, as the sword grating is usually directly contacted with the automobile sheet metal part, molten metal drops can be rapidly cooled and solidified after contacting, and thus firmly adhered to the sword grating, the adhesion not only affects the leveling and positioning of a workpiece during the next processing, but also causes extremely difficult cleaning. Disclosure of Invention In view of the fact that the existing technology is difficult to solve the problem that waste materials and slag generated by laser cutting are adhered to a rapier, an intelligent laser cutting device for machining automobile sheet metal parts is provided. The application provides an intelligent laser cutting device for machining an automobile sheet metal part, and aims to prevent waste materials and slag generated by laser cutting from adhering to a rapier. The intelligent laser cutting device for processing the automobile sheet metal parts comprises a main body, wherein a transmission mechanism is arranged at the top of the main body, a laser cutter is arranged at the top of the transmission mechanism, a frame is arranged on one side of the main body, a plurality of rapier grids are connected to the top of the frame in a sliding manner, a linkage mechanism is arranged at the bottom of the transmission mechanism, and the linkage mechanism comprises a storage component fixedly connected to the bottom of the transmission mechanism; The storage assembly comprises a mounting block fixedly connected to the bottom of the transmission mechanism, a rigid chain is fixedly connected to the bottom of the mounting block, a sprocket is meshed with one side of the rigid chain, the linkage mechanism further comprises an output assembly arranged at the bottom of the storage assembly, the output assembly comprises an output rod fixedly connected to the bottom of the sprocket, a first bevel gear is fixedly connected to the rod surface of the bottom of the output rod, a second bevel gear is meshed with one side of the first bevel gear, a threaded rod is fixedly connected to one side of the second bevel gear, the threaded rod is in threaded connection with the output block on the threaded surface, a connecting block is fixedly arranged at the bottom of the sword grid and corresponds to the position of the output block, a movable sleeve is arranged on the periphery of the threaded rod, the output block is slidably connected to the movable sleeve, an output arm is fixedly connected to the top of the output block, a mounting ring is fixedly connected to one side of the top of the output arm, a clamping block is arranged on one side of the mounting ring, a clamping groove is formed in one side of the mounting ring,