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CN-121988900-A - High-precision automatic cutting device and method for steel plate

CN121988900ACN 121988900 ACN121988900 ACN 121988900ACN-121988900-A

Abstract

The invention provides a high-precision automatic cutting device and method for a steel plate, which belong to the technical field of metal material processing and cutting, wherein the method comprises the steps that a material receiving plan and task scheduling module generates a steel plate material receiving plan and a cutting task, a linkage control module coordinates the equipment state, and triggers a feeding request after issuing a safety check instruction to a driving interlocking module; the method comprises the steps of after driving is completed, lifting a steel plate to a platform and feeding back a signal in place, sending a nesting chart number by a material receiving plan and task scheduling module, adjusting matched cutting parameters by a linkage control module, collecting the position of the steel plate by a laser positioning system after the steel plate is patrolled, comparing the steel plate position with the nesting chart, adjusting a path, selecting a perforation-slag removal mode by an automatic cutting execution module according to the plate thickness, executing cutting at the same edge, adjusting the R arc speed, starting cutting, monitoring the state by the linkage module, stopping cutting and alarming when abnormal, memorizing break points, returning zero by equipment after cutting is completed, lifting finished products by the driving, and clearing steel plate information. The invention improves the cutting precision, the space utilization rate and the product qualification rate.

Inventors

  • Feng Huangong
  • LIU GAOFENG
  • LI PENG
  • Yuan Liangzeng

Assignees

  • 济南二机床集团有限公司

Dates

Publication Date
20260508
Application Date
20260211

Claims (10)

  1. 1. A high precision automatic cutting device for steel plates, the device comprising: the device comprises an equipment layout module (1), a linkage control module (2), a steel plate information matching module (3), a driving interlocking module (4), an automatic cutting execution module (5) and a material receiving planning and task scheduling module (6); The equipment layout module (1) is connected with the linkage control module (2); the linkage control module (2) is respectively connected with the steel plate information matching module (3), the travelling crane interlocking module (4) and the automatic cutting execution module (5); the material receiving plan and task scheduling module (6) is in bidirectional communication connection with the linkage control module (2); the equipment layout module (1) comprises a first cutting track (101) and a second cutting track (102); The cutting device is characterized in that at least one first cutting device (103) is arranged on the first cutting track (101), at least one second cutting device (104) is arranged on the second cutting track (102), and cutting platforms (105) are arranged below the first cutting track (101) and below the second cutting track (102).
  2. 2. The high-precision automatic cutting apparatus for steel plate according to claim 1, wherein the equipment layout module (1) further comprises a laser positioning system (106); The laser positioning system (106) is arranged on a main slide carriage of the first cutting device (103) and the second cutting device (104).
  3. 3. The high-precision automatic steel plate cutting device according to claim 1, wherein the linkage control module (2) is respectively connected with a cutting parameter database and a driving control module through an OPC UA protocol, and the linkage control module is used for task allocation, state monitoring, parameter matching and exception handling.
  4. 4. The high-precision automatic steel plate cutting device according to claim 1, wherein the steel plate information matching module (3) is used for synchronously issuing lifting and cutting tasks after a material receiving plan is generated by the material receiving plan and task scheduling module (6), and feeding back signals to the material receiving plan and task scheduling module (6) after lifting is in place.
  5. 5. The high-precision automatic steel plate cutting device according to claim 1, wherein the crane interlocking module (4) comprises a crane (401), a crane control module, an infrared guard rail and a safety door; The lifting crane (401) is connected with the crane control module, each cutting device is provided with a passive contact, and safety interlocking is established with the linkage control module (2) through hard wiring; The infrared guard rail is connected with the cutting platform (105); The safety door is positioned on an outer protective fence of the equipment layout module (1).
  6. 6. The high-precision automatic steel plate cutting device according to claim 1, wherein the material receiving plan and task scheduling module (6) is used for generating a steel plate material receiving plan and a cutting task, issuing a lifting instruction to a driving control module and issuing a cutting task to a linkage control module (2).
  7. 7. A method for high-precision automatic cutting of steel sheets, said method being based on the device according to any one of claims 1 to 6, characterized in that it comprises the following steps: S1, establishing connection between a linkage control module and an equipment layout module, issuing an initial safety state verification instruction to a driving interlocking module, and sending a task preparation signal to a steel plate information matching module; S2, after the traveling crane interlocking module completes safety state verification, the lifting traveling crane lifts the steel plate marked with the number to the cutting platform according to a lifting instruction of the traveling crane control module, and the traveling crane control module feeds back a steel plate in-place signal to the material receiving planning and task scheduling module; S3, after receiving the bit signal, the material receiving plan and task scheduling module issues a sleeve drawing number to the cutting equipment, and the linkage control module invokes cutting parameters matched with the steel plate numbers from the cutting parameter database through an OPC UA protocol to complete parameter matching; s4, starting automatic edge inspection by the laser positioning system, collecting actual position information of the steel plate, feeding back to the linkage control module, automatically adjusting a cutting path after comparing the actual position information with the number of the material drawing in the machine, and triggering artificial check if the cutting requirement is not met; s5, selecting a corresponding perforation-deslagging mode according to the thickness of the steel plate by the automatic cutting execution module according to the matched cutting parameters, synchronously executing the co-edge cutting and the R arc speed adjustment, and starting high-precision cutting operation; S6, the linkage control module monitors the cutting state in real time, if abnormality occurs, the cutting equipment is controlled to stop working and alarm, and meanwhile cutting break points are memorized; S7, after cutting operation is finished, the cutting device returns to zero, the linkage control module sends a discharging instruction to the travelling crane control module, the travelling crane is lifted to lift and separate the finished steel plate, and the material receiving plan and task scheduling module automatically clears the steel plate information to complete single cutting cycle.
  8. 8. The method for high-precision automatic cutting and assembling of steel plates according to claim 7, wherein in step S1, the linkage control module establishes connection with the equipment layout module, and issues an initial safety state verification command to the driving interlocking module, and the specific step of sending a task preparation signal to the steel plate information matching module is as follows: s11, the linkage control module establishes communication connection with the equipment layout module through the industrial Ethernet and the PLC bus, and issues a cutting area state query instruction to the equipment layout module to request feedback of occupation conditions of the first cutting track, the second cutting track and the corresponding cutting platform; S12, after receiving the query instruction, the equipment layout module acquires the equipment running positions of the first cutting track and the second cutting track, the vacant state of the cutting platform and the zeroing state data of the first cutting equipment and the second cutting equipment, and feeds back the state data to the linkage control module in real time; S13, the linkage control module completes distribution of cutting areas according to the state data fed back by the equipment layout module, and simultaneously issues an initial safety state check instruction to the driving interlocking module, wherein clear check items comprise an infrared protective fence closing state, a safety door closing state and a safety interlocking ready state; S14, the driving interlocking module responds to the checking instruction, acquires an infrared protective fence closing signal and a safety door closing detection sensor signal through hard wiring and passive contact interlocking, checks whether safety interlocking logic is ready, and feeds back a result of qualified checking or unqualified checking to the linkage control module; S15, after receiving qualified feedback of the travelling crane interlocking module, the linkage control module sends a task preparation signal to the steel plate information matching module through an OPC UA protocol, wherein the signal comprises the serial number of the cutting task and the expected specification range of the steel plate to be lifted; s16, initializing a steel plate number identification channel and a parameter matching preprocessing module after the steel plate information matching module receives the task preparation signal, and feeding back a preparation ready signal to the linkage control module after the completion; S17, synchronously confirming by the linkage control module, wherein the equipment layout module feeds back that the cutting area is idle and the cutting equipment is reset, the driving interlocking module is qualified in safety state verification, the steel plate information matching module is ready, and then triggering the feeding request to complete the whole process preparation before feeding.
  9. 9. The method for high-precision automatic cutting and assembling of steel plates according to claim 7, wherein the specific steps of step S5 are as follows: s51, the automatic cutting execution module receives a cutting start instruction issued by the linkage control module, and synchronously loads matched cutting parameters, wherein the cutting parameters comprise the thickness of the steel plate, the cutting width corresponding to the material and the basic cutting speed; s52, selecting a perforation-deslagging mode by the automatic cutting execution module according to the thickness of the steel plate, wherein if the thickness of the steel plate is less than or equal to 60mm, a sequential perforation and automatic cutting mode is started, if the thickness of the steel plate is 70-120mm, a uniform perforation, manual auxiliary deslagging and automatic cutting mode is started, and the perforation time is less than or equal to 1 minute; s53, the automatic cutting execution module associates the steel plate to be cut, identifies the co-edge cutting area corresponding to the steel plate, and synchronously triggers the identification flow of the M31 mark code; S54, the linkage control module receives the M31 mark code transmitted by the automatic cutting execution module, and feeds back a result to the automatic cutting execution module after code identification is completed; S55, the automatic cutting execution module generates an automatic adjusted common-edge cutting path according to the M31 code identification result and synchronizes to the automatic cutting execution module; S56, starting cutting operation by the automatic cutting execution module, synchronously entering arc speed adjustment, and initially executing cutting according to a straight-edge cutting speed, wherein the straight-edge cutting speed is 200mm/min corresponding to a 120-mm steel plate; S57, the automatic cutting execution module judges whether the current cutting area is an R arc area in real time, if yes, the automatic cutting execution module adjusts the cutting speed to be an R arc cutting speed, wherein the R arc cutting speed is 100mm/min corresponding to a 120mm steel plate; s58, after the current region cutting is completed, the automatic cutting execution module circularly judges the type of the next cutting region until the speed adaptation of all cutting paths is completed.
  10. 10. The high-precision automatic steel plate cutting and loading method according to claim 7, wherein the loading in the step S1 and the unloading in the step S7 all satisfy the following conditions: The feeding/discharging needs to meet the conditions of empty/material presence of the cutting platform, zero return of the cutting equipment and closing of the safety door at the same time, and when any one condition is not met, the lifting crane immediately stops working and gives an alarm.

Description

High-precision automatic cutting device and method for steel plate Technical Field The invention belongs to the technical field of metal material processing and cutting, and particularly relates to a high-precision automatic steel plate cutting device and method. Background The automatic cutting process of the steel plate is widely applicable to industrial scenes with high requirements on cutting precision, mass production efficiency and operation safety of thick steel plates, such as heavy equipment manufacturing, ship construction, pressure vessel production and the like. In the prior art, a mode of scattered arrangement of single or two cutting devices is adopted in the cutting operation of the thick steel plate, cooperative linkage is lacked among the devices, the space utilization rate of a workshop is low, the processes of steel plate material receiving dispatching before cutting, material covering diagram matching, cutting parameter setting and the like depend on manual operation, operators are required to manually check the specification of the steel plate and call the cutting parameters, the preparation time for single batch production is long, cutting defects caused by parameter mismatch are easy to occur, and the operation connection of travelling crane lifting and cutting devices only depends on manual instructions, a reliable safety interlocking device is not arranged, so that potential safety hazards of device collision and personnel misoperation exist. Meanwhile, the existing cutting equipment lacks automatic identification for identifying the common-edge cutting area, R arc cutting speed is not adaptively adjusted aiming at the characteristics of the thick steel plate, so that slag adhesion defects are easy to occur in the common-edge area, the dimensional accuracy of the R arc part is high, the product qualification rate is low, in addition, the existing cutting system has insufficient data interaction capability with production management systems such as enterprise MES, WMS and the like, full-flow digital traceability of cutting tasks, equipment states and product quality cannot be realized, and the response time for production plan adjustment is long. The defects of the prior art are that the cutting operation of the 40-120mm thick steel plate has the problems of low space utilization rate, long production preparation period, unstable cutting quality, high safety risk, low digitization degree and the like, and the actual requirements of the heavy equipment manufacturing field on high precision, high automation, high safety and continuous batch production of the thick steel plate cutting are difficult to meet. Disclosure of Invention The invention aims to solve the problems of low space utilization rate, long production preparation period and unstable cutting quality in the prior art, and provides a high-precision automatic cutting device and method for steel plates, which realize high-precision cutting of steel plates and support full-flow automatic management and control, multi-equipment coordination and digital management. In a first aspect, an embodiment of the present invention provides a high-precision automatic cutting apparatus for a steel plate, the apparatus including: The device comprises an equipment layout module, a linkage control module, a steel plate information matching module, a traveling crane interlocking module, an automatic cutting execution module and a material receiving planning and task scheduling module; the equipment layout module is connected with the linkage control module; The linkage control module is respectively connected with the steel plate information matching module, the traveling crane interlocking module and the automatic cutting execution module; the material receiving plan and task scheduling module is in bidirectional communication connection with the linkage control module; the equipment layout module comprises a first cutting track and a second cutting track; the cutting device comprises a first cutting track, at least one first cutting device is arranged on the first cutting track, at least one second cutting device is arranged on the second cutting track, and cutting platforms are arranged below the first cutting track and the second cutting track. Further, the device layout module also comprises a laser positioning system; The laser positioning system is arranged on a main slide carriage of the first cutting equipment and the second cutting equipment. Further, the linkage control module is respectively connected with a cutting parameter database and a driving control module through an OPC UA protocol, and the linkage control module is used for task allocation, state monitoring, parameter matching and exception handling. Further, the steel plate information matching module is used for synchronously issuing lifting and cutting tasks after the material receiving plan and task scheduling module generates the material receiving plan, and feeding b