CN117124012B - Component surface machining equipment based on mathematical model - Google Patents

Component surface machining equipment based on mathematical model Download PDF

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Publication number
CN117124012B
CN117124012B CN202311403888.9A CN202311403888A CN117124012B CN 117124012 B CN117124012 B CN 117124012B CN 202311403888 A CN202311403888 A CN 202311403888A CN 117124012 B CN117124012 B CN 117124012B
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motor
processing
data
roller
mathematical model
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CN117124012A (en
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马辉
李扬
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Jilin Agricultural Science and Technology College
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Jilin Agricultural Science and Technology College
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/05—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention belongs to the technical field of processing equipment, and particularly discloses a component surface processing device based on a mathematical model, which comprises: the device comprises a base, wherein a bracket is longitudinally arranged on the base, a processing control mechanism and a lifting table capable of longitudinally moving are arranged on the bracket, a first motor is arranged on the lifting table, the output end of the first motor is respectively connected with a laser sensor and a compression roller, a sliding table capable of transversely moving is arranged on the base, a conveying roller and a top roller are sequentially arranged on the sliding table along the moving direction of the sliding table, and the conveying roller is used for transversely clamping and conveying a processed plate; has the following advantages: the component surface machining equipment based on the mathematical model is characterized in that the machining process is guided by using the mathematical model, so that the accurate control of the component surface is realized; by converting the geometric shape and the surface characteristics into a mathematical model and combining real-time monitoring and feedback, the advantages of high precision, automation, visualization and the like can be achieved, the surface of the component can be processed in a reliable and flexible manner, and meanwhile, the human error and the processing period are reduced.

Description

Component surface machining equipment based on mathematical model
Technical Field
The invention relates to the technical field of machining equipment, in particular to a component surface machining device based on a mathematical model.
Background
A machine tool is a mechanical device for cutting, shaping, grinding and other machining operations on a workpiece. They are critical tools in the manufacturing industry and are widely used in the fields of metal processing, wood processing, plastic processing and processing of various other materials. Early machine tools were mainly operated mechanically and manually, and with the development of technology and industry, the introduction of automation and digitization technology has led to the development of more accurate, efficient and flexible machine tools. Different types of machine tools include milling machines, lathes, drilling machines, grinding machines, punching machines, etc. Each machine tool has its specific functions and application areas. For example, milling machines are used to move a cutting tool onto a workpiece and remove material, while lathes hold the workpiece on a rotating fixture and cut the workpiece by movement of the tool. The application range of the processing machine tool is very wide, and the processing machine tool covers a plurality of industries such as automobile manufacturing, aerospace, electronic equipment manufacturing, furniture manufacturing and the like. The method plays a vital role in the production process, can improve the production efficiency, reduce the cost and realize the accurate processing of complex parts. With the continuous progress and innovation of technology, the development of processing machine tools is also continuously evolving. Modern machine tools often have a higher degree of automation, a greater processing capacity, a higher precision and a more flexible handling capability to meet changing market demands.
In the bending processing of the plate, parameters such as curvature, processing length and the like need to be set in advance, the whole bending processing of the plate is performed after the parameters are set, the tool is disassembled after the processing, and then whether the whole bending accords with the expected setting index is judged after the identification of whether the whole bending accords with the expected setting index or whether the expected setting index can achieve the expected use purpose under the realization. Therefore, the overall reworking operation is frequent, the machining adjustment precondition is long, and the middle change of the machining parameters is difficult.
For this purpose, a component surface machining device based on a mathematical model is proposed to solve the above-mentioned problems.
Disclosure of Invention
The present invention aims to provide a component surface machining apparatus based on a mathematical model to solve or improve at least one of the above technical problems.
In view of this, a first aspect of the present invention is to provide a component surface machining apparatus based on a mathematical model.
A first aspect of the present invention provides a mathematical model-based component surface finishing apparatus comprising: the device comprises a base, wherein a support is longitudinally arranged on the base, the support is provided with a processing control mechanism and a lifting table capable of longitudinally moving, a first motor is arranged on the lifting table, the output end of the first motor is respectively connected with a laser sensor and a compression roller, a sliding table capable of transversely moving is arranged on the base, a conveying roller and a top roller are sequentially arranged on the sliding table along the moving direction of the sliding table, and the conveying roller is used for transversely clamping and conveying a processed plate; the lifting platform is used for driving the pressing roller to longitudinally move so as to apply longitudinal pressure to the processed plate, and the longitudinal pressure applied by the top roller and the pressing roller is opposite to the longitudinal pressure applied by the single processed plate; the processing control mechanism generates control data for processing the surface of the processed plate through an internal processing model, and transmits the control data to the lifting table, the first motor, the conveying roller and the single-shaft robot so as to process the surface of the processed plate; the laser sensor is used for acquiring distance data between the processed plate and the laser sensor and transmitting the distance data to the processing control mechanism.
In any of the above solutions, the processing control mechanism is electrically connected to the laser sensor, the lifting table, the first motor, the conveying roller, and the single-axis robot, respectively, and the processing control mechanism includes: the data receiving and transmitting module is used for collecting the distance data and transmitting the control data; the data generation module is used for generating control data for processing the surface of the processed plate through the processing model; the simulation module is used for generating curvature data of the surface of the current processing plate through the distance data, generating a surface model of the processing plate according to the curvature data, and simulating the surface model; and the parameter correction module is used for judging whether the simulation result is qualified or not, if so, generating control data containing a machining termination command through the data generation module, and if not, modifying parameters of the machining model through the data generation module, and generating the control data according to the current machining model.
In any of the above technical solutions, the bracket is a U-shaped bracket, and two ends of the bracket are respectively connected with the base; the side wall of the base is provided with a second motor, the output end of the second motor is provided with a lead screw, and the lead screw is connected with the lifting platform so as to drive the lifting platform to longitudinally move; the second motor longitudinally corresponds to the joint of the bracket and the base.
In any of the above technical solutions, the lifting platform includes: the first table body is in threaded connection with the lead screw, a guide hole is formed in the first table body, and a guide rod matched with the guide hole is mounted on the base; the third motor is arranged on the first table body, a transmission belt is sleeved at the output end of the third motor, and a belt pulley matched with the transmission belt is arranged at one end, away from the third motor, of the first table body; the second table body is connected to the first table body in a sliding manner, and is fixedly connected with the middle part of the transmission belt, so that the second table body moves along the direction perpendicular to the conveying direction of the processed plate; wherein the first motor is mounted on the second table body.
In any of the above technical solutions, a gear box is mounted on the second platform, an input shaft of the gear box is connected with an output end of the first motor, the gear box includes two output shafts, and the two output shafts are respectively connected with the laser sensor and the press roller; wherein, the emitting end of laser sensor transversely corresponds the compression roller circumference edge.
In any of the above technical solutions, the two conveying rollers are longitudinally arranged, a gap for the processed board to pass through is formed between the two conveying rollers, a fourth motor is installed on the sliding table, and the output end of the fourth motor is connected with the conveying rollers so as to drive the two conveying rollers to reversely rotate.
In any one of the above technical solutions, when the laser sensor obtains distance data between the processed plate and the laser sensor, the laser sensor longitudinally corresponds to the top of the conveying roller, and obtains an interval length between the laser sensor and the top of the conveying roller as calibration data; the calibration data are used for correcting the distance data.
In any of the above technical solutions, the outer wall of the pressing roller is provided with a grinding disc for polishing the surface of the processed plate, and the control data includes: synchronous rotation data for controlling the rotation speeds of the first motor and the fourth motor to be the same; asynchronous rotation data for controlling the rotation speed of the first motor to be greater than or less than the rotation speed of the fourth motor.
In any of the above technical solutions, when the rotational speeds of the first motor and the fourth motor are different, the sliding table is matched with the lifting table, so that the pressing roller polishes the processed plate along the surface of the processed plate; when the rotating speeds of the motor and the motor are the same, the press roller is matched with the top roller so as to bend the processed plate.
In any one of the above technical solutions, two ends of the top roller are respectively and rotatably connected with a supporting seat, a supporting rod is mounted on the lower surface of the supporting seat, and a sliding hole attached to the side wall of the supporting rod is formed in the sliding table; one side wall of the supporting seat is connected with the moving end of the single-axis robot.
Compared with the prior art, the invention has the following beneficial effects:
mathematical model: firstly, through a mathematical model of a preset formula, the deformation in the processed plate can be measured and calculated more accurately, and the geometric shape and the surface characteristics of the part are converted into a mathematical model by using tools such as computer aided design software and the like. This mathematical model may represent information about the exact shape, curvature, inclination angle, etc. of the component.
Model analysis: the mathematical model is analyzed to determine the desired machining operations and parameters. For example, mathematical methods may be used to calculate the amount of material that needs to be removed, the surface flatness requirements, etc.
And (3) processing control: according to the information generated by the mathematical model, the processing control system automatically adjusts parameters and motion trail of the processing equipment. The processing equipment can be a numerical control machine tool closely combined with a processing control system.
Real-time monitoring and feedback: during the processing, the sensing system can monitor the surface condition of the component in real time, such as flatness, surface roughness and the like, and acquire relevant data through devices such as sensors and the like. These data are fed back to the process control system for real-time adjustment and optimization.
And (3) verifying the processing completion: once the process is complete, a mathematical model may be used to verify that the actual process results are compared to the model. This can help determine whether the process quality is satisfactory and make corresponding adjustments and improvements.
The principle of the component surface machining device based on the mathematical model is that the machining process is guided by using the mathematical model, so that the accurate control of the component surface is realized. By converting the geometric shape and the surface characteristics into a mathematical model and combining real-time monitoring and feedback, the advantages of high precision, automation, visualization and the like can be achieved, the surface of the component can be processed in a reliable and flexible manner, and meanwhile, the human error and the processing period are reduced.
Additional aspects and advantages of embodiments according to the invention will be apparent from the description which follows, or may be learned by practice of embodiments according to the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a base and a connection structure thereof according to the present invention;
FIG. 3 is a schematic view of a bracket and its connection structure according to the present invention;
fig. 4 is a block diagram of a process control mechanism according to the present invention.
The correspondence between the reference numerals and the component names in fig. 1 to 4 is:
1 base, 101 support, 2 slipways, 3 processing control mechanism, 301 data transceiver module, 302 data generation module, 303 simulation module, 304 parameter correction module, 4 first motor, 5 laser sensor, 6 compression roller, 601 abrasive disc, 7 conveying roller, 8 top roller, 9 unipolar robot, 10 second motor, 11 lead screw, 12 first stage body, 1201 guiding hole, 13 guiding rod, 14 third motor, 15 driving belt, 16 belt pulley, 17 second stage body, 18 gear box, 19 fourth motor, 20 supporting seat, 21 branch, 22 slide hole, 23 guide rod, 24 guiding ring, 25 fifth motor, 26 belt driving mechanism.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Referring now to fig. 1-4, a mathematical model-based component surfacing apparatus according to some embodiments of the present invention is described.
An embodiment of the first aspect of the present invention proposes a component surface machining apparatus based on a mathematical model. In some embodiments of the present invention, as shown in fig. 1-4, the processing apparatus includes: the base 1, install support 101 along vertically on the base 1, support 101 is provided with processing control mechanism 3 and can longitudinal movement's elevating platform, installs first motor 4 on the elevating platform, and first motor 4 output is connected with laser sensor 5 and compression roller 6 respectively, installs slip table 2 that can lateral shifting on the base 1, installs conveyor roll 7 and top roller 8 on the slip table 2 in proper order along its direction of movement, and conveyor roll 7 is used for carrying the processing panel along the horizontal centre gripping.
The single-shaft robot 9 for driving the top roller 8 to longitudinally move is arranged on the sliding table 2 so as to apply longitudinal pressure to the processed plate, the lifting table is used for driving the pressing roller 6 to longitudinally move so as to apply longitudinal pressure to the processed plate, and the longitudinal pressure applied by the top roller 8 and the pressing roller 6 to single processed plate are opposite in direction.
The processing control mechanism 3 generates control data for processing the surface of the processed plate by the internal processing model, and transmits the control data to the lifting table, the first motor 4, the conveying roller 7 and the single-axis robot 9 to process the surface of the processed plate.
The laser sensor 5 is used to acquire distance data between the processed sheet material and the laser sensor 5 and to transmit the distance data to the processing control mechanism 3.
The invention provides a component surface machining device based on a mathematical model, wherein a base 1 is the basis of the whole system, a mounting bracket 101 and a platform of a sliding table 2 are provided, and the bracket 101 is mounted along the longitudinal direction of the base 1 and comprises a machining control mechanism 3 and a lifting table. The process control mechanism 3 is used to control the operation and processing of the overall system. The lifting platform is a platform that can be moved in the longitudinal direction. The lifting table is provided with a first motor 4, which is connected with a laser sensor 5 and a press roller 6 through output ends thereof. The laser sensor 5 is used to detect and measure characteristics and parameters of the processed sheet material. The press roll 6 is used to apply pressure and stabilize the position of the processed sheet. The base 1 is also provided with a sliding table 2 which can move in the transverse direction. The slide table 2 is provided with a conveying roller 7 and a top roller 8 in this order along the moving direction. The conveying roller 7 is located on the sliding table 2 and is responsible for transversely clamping and conveying the processed plate, so that firm clamping force can be provided, and the processed plate is ensured to be stable in the processing process. A top roller 8 is located after the conveyor roller 7 for providing a pushing force for bending the sheet upwards in order to create a curved deformation to ensure deformation of the processed sheet during processing. Therefore, the position of the processed sheet is fixed by the laser sensor, and the sheet is moved and processed in the lateral direction by the nip of the conveying roller and the top roller. This system can be used in a variety of manufacturing processes.
The slipway 2 is provided with a single-shaft robot 9 for driving the top roller 8 to move longitudinally so as to apply a longitudinally upward ejection force to the processed plate. In addition, the lifting table is used for driving the compression roller 6 to longitudinally move so as to apply longitudinal pressure to the processed plate. For a single processed sheet, the longitudinal pressure applied by the top roller 8 and the pressure roller 6 is in opposite directions. That is, when the single-axis robot 9 on the slide table 2 moves the top roller 8 upward, downward longitudinal pressure is applied to the processed sheet. While the lifting table moves the press roller 6 downward, it applies downward longitudinal pressure to the processed sheet. The counter-acting forces are provided when the press roller and the top roller are operated in opposite directions, and the design can enable the top roller 8 and the press roller 6 to apply longitudinal pressure in opposite directions, so that the position and deformation of the processed plate can be effectively controlled. By properly adjusting the positions and pressures of the top roller 8 and the press roller 6, stable clamping and accurate processing of the processed sheet material can be achieved. Longitudinal pressure application to the processed sheet can be achieved by driving the longitudinal movement of the top roller 8 and the pressing roller 6 by the single-axis robot 9 and the lifting table, respectively. The longitudinal pressure applied by the top roller 8 and the press roller 6 are opposite in direction so as to meet different processing requirements and ensure the stability and precision of the processed plate in the processing process.
The processing control means 3 generates control data for processing the surface of the processed plate material by the internal processing model. These control data are transmitted to the lifting table, the first motor 4, the conveying roller 7 and the single-axis robot 9 for processing the surface of the processed sheet material. Wherein the laser sensor 5 is used for obtaining distance data between the processed plate and the laser sensor 5. The laser sensor 5 transmits the measured distance data to the process control means 3. These distance data can be used to monitor in real time the surface height and shape changes of the processed sheet. After receiving the distance data from the laser sensor 5, the process control means 3 can generate corresponding control data based on a preset process model. These control data may include operations of adjusting the height of the elevating platform, controlling the rotation speed and position of the first motor 4, adjusting the speed of the conveying roller 7, and driving the movement of the single-axis robot 9. By means of these control data, the processing control means 3 can achieve accurate treatment and processing of the processed sheet material surface.
In any of the above embodiments, the processing control mechanism 3 electrically connects the laser sensor 5, the elevating table, the first motor 4, the conveying roller 7, and the single-axis robot 9, respectively, and the processing control mechanism 3 includes:
the data transceiver module 301 is configured to collect distance data and transmit control data.
The data generation module 302 generates control data for processing the surface of the processed plate by the processing model.
The simulation module 303 generates curvature data of the surface of the current processed plate according to the distance data, generates a surface model of the processed plate according to the curvature data, and simulates the surface model.
And the parameter correction module 304 is used for judging whether the simulation result is qualified, if so, generating control data containing a machining termination command through the data generation module 302, and if not, modifying parameters of the machining model through the data generation module 302, and generating the control data according to the current machining model.
In this embodiment, the processing control mechanism 3 is connected to a plurality of equipment structures including a laser sensor 5, a lifting table, a first motor 4, a conveying roller 7, and a single-axis robot 9. Meanwhile, the process control mechanism 3 further includes the following modules: data transceiver module 301: for collecting distance data and transmitting control data. The module is responsible for receiving the distance data measured by the laser sensor 5 and transmitting the control data to other devices to realize corresponding operations in the processing of the processed sheet material. The data generation module 302: and generating control data of the surface of the processed plate through the processing model. The module generates data for controlling the machining process, such as the length of the machined sheet extending from the conveyor rolls, the curved bending curvature of the machined sheet or other control instructions in the machining of the machined sheet, in particular, based on a predefined machining model. Simulation module 303: curvature data of the surface of the current processed sheet is generated from the distance data, and a surface model of the processed sheet is generated based thereon. The module can simulate the change condition of the surface of the plate in the processing process, and helps to evaluate the accuracy and quality of the processing result, in particular to whether the mechanical property and the surface roughness of the processed plate after bending meet the use requirements or not, and the conditions such as deformation resistance in the state. Parameter correction module 304: and judging whether the processing is qualified or not according to the simulation result. If the machining result is satisfactory, the module generates control data containing a command to terminate the machining process via the data generation module 302 to stop the machining process. If the process results are not satisfactory, the module modifies the parameters of the process model via the data generation module 302 and generates new control data based on the current process model to further optimize the process.
As can be seen from the above, the machining control mechanism 3 realizes the whole process from data collection to machining control by the cooperative work of the respective modules, and improves the machining quality and efficiency by simulation and parameter correction.
In any of the above embodiments, the process model comprises:；
wherein L is a set ordinate variable of a certain point on the processed plate material,xIs an abscissa variable of a certain point on a set processing plate,πIs of circumference rate、BTo process the fluctuation degree parameter of the bending curved surface of the plate,lTo process the transverse distance between one end and the other end of the plate after bending,ATo process the overall convexity degree parameter of the bending curved surface of the plate,HFor machining the longitudinal distance between the topmost part of one bent end of the plate and the bottommost part of the other bent end.
CFor the actual measured longitudinal variable of the processed plate,DIn order to measure the obtained abscissa variable of the processed plate, the laser sensor is firstly subjected to position calibration during the measurement of the laser sensor so as to avoid the integral measurement inaccuracy caused by different position differences of the laser sensor, and the setting part measures an initial transverse errordAnd initial lateral errorcThen there isAnd->And if the measured points of the currently processed plate meet the expected setting, the control device performs secondary processing.
In the case of meeting the expected setting, if the processed plate does not meet the actual use condition, parameters, in particularB、l、AAndH。
in the process of converting control parameters, the following steps are neededLSum (x)xExamination under examinationThe actual machining station size and the radius of the top roller and the pressing roller are considered for conversion, so that the parameters of the actually machined plate are ensured to meet the expectations.
The parameters are converted into the distance between the pressing roller and the top roller and the equipment control data for the upper top or lower bending of the plate, so that the guidance of the whole mathematical model on the actual processing is completed, the parameters are directly changed in the mathematical model, and the design change is directly carried out after the processed product is unexpected and is changed in production.
In this embodiment, these variables and parameters may be used to describe the shape and curved surface characteristics of the processed sheet material. By measuring and analyzing these variables and parameters, a mathematical model can be generated, and in combination with a processing equipment control system, accurate processing and adjustment of the processed sheet material can be achieved. In this way, the processing equipment can be correspondingly arranged and adjusted according to specific processing requirements and parameter values so as to achieve the required plate bending effect.
In any of the embodiments, the bracket 101 is a U-shaped bracket, and two ends of the bracket are fixedly connected with the base 1 respectively; and a second motor 10 is arranged on the side wall of the base 1, a lead screw 11 is arranged at the output end of the second motor 10, and the lead screw 11 is in threaded connection with the lifting platform so as to drive the lifting platform to longitudinally move.
Wherein the second motor 10 longitudinally corresponds to the connection of the bracket 101 and the base 1.
In this embodiment, the bracket 101 is a U-shaped bracket, and both ends thereof are respectively connected to the base 1. Furthermore, a second motor 10 is mounted on the side wall of the base 1, the output end of which motor is provided with a screw 11. The screw 11 is connected to the lifting table to drive the lifting table to move in the longitudinal direction. Specifically, the second motor 10 is mounted on a side wall of the base 1 at a position where the bracket 101 is connected to the base 1. The second motor 10 is connected with the lifting platform through a lead screw 11 at the output end. When the second motor 10 rotates, the screw rod 11 rotates to drive the lifting platform to longitudinally move. So that longitudinal adjustment and movement of the lift table can be achieved by controlling the rotation of the second motor 10. Thus, the processing height can be flexibly controlled or different bending processing requirements of the processed plate can be met.
In any of the above embodiments, the lifting platform includes:
the first platform body 12 is in threaded connection with the screw rod 11, a guide hole 1201 is formed in the first platform body 12, and a guide rod 13 matched with the guide hole 1201 is mounted on the base 1.
The third motor 14 is arranged on the first table body 12, a transmission belt 15 is sleeved at the output end of the third motor 14, and a belt pulley 16 matched with the transmission belt 15 is arranged at one end, far away from the third motor 14, of the first table body 12.
The second table 17 is slidably connected to the first table 12, and the second table 17 is fixedly connected to the middle of the driving belt 15, so that the second table 17 moves along a direction perpendicular to the conveying direction of the processed board.
Wherein the first motor 4 is mounted on the second table 17.
In this embodiment, the lift table includes the following components: the first table 12 is screwed to the threaded spindle 11 and is longitudinally movable by this connection. The first table body 12 is provided with a guide hole 1201 for positioning and guiding movement; the guide rod 13 is mounted on the base 1 to fit the guide hole 1201. The function of the guide bar 13 is to provide additional support and stability to ensure accuracy and stability of the lift table when moving longitudinally; the third motor 14 is mounted on the first table body 12, and the output end thereof is sleeved with a driving belt 15. The third motor 14 is used for providing power and driving the transmission belt 15 to move; the transmission belt 15 is connected with the third motor 14 and the belt pulley 16, the transmission belt 15 transmits power from the third motor 14 to other components and drives the second table body 17, the laser sensor and the press roller to transversely move, so that the information acquisition of the bending surface is performed by the laser sensor after the press roller finishes processing the plate to generate distance data; the belt pulley 16 is adapted to the driving belt 15, and is fixed on the first table body 12, far away from one end of the third motor 14, and the belt pulley 16 is used for supporting and rotating the driving belt. The second table 17 is slidably connected to the first table 12 and is fixedly connected by a belt 15 so that the second table 17 can move in a direction perpendicular to the conveying direction of the processed sheet. The first motor 4 is mounted on the second table 17.
In summary, the components of the lifting platform are connected through the screw rod, the driving belt, the belt pulley and the like, and the lifting platform is driven by the first motor to move accurately and controllably in the transverse direction. The structural design can be used for detecting the processed plate after processing, and the laser sensor and the compression roller are switched relative to the processed plate in a progressive manner so as to change working conditions and work together with other parts to realize accurate processing operation.
In any of the above embodiments, the second stage 17 is provided with a gear box 18, an input shaft of the gear box 18 is connected with an output end of the first motor 4, and the gear box 18 includes two coaxially arranged output shafts, and the two output shafts are respectively connected with the laser sensor 5 and the press roller 6.
Wherein the emitting end of the laser sensor 5 transversely corresponds to the circumferential edge of the press roll 6.
In this embodiment, a gear case 18 is mounted on the second table 17. The input shaft of the gearbox 18 is connected to the output of the first motor 4. The gear box 18 comprises two coaxially arranged output shafts connected to the laser sensor 5 and the press roll 6, respectively. Specifically, the first motor 4 is connected by its output to the input shaft of the gearbox 18. The gearbox 18 transfers power from the first motor 4 to two coaxially arranged output shafts. One of them output shaft links to each other with laser sensor 5, and this output shaft drives laser sensor 5 and carries out the swing of half cycle and can finish measuring the processing panel surface, and the transmitting end of laser sensor 5 transversely corresponds to compression roller 6 circumference edge. By this connection, the laser sensor 5 can measure the characteristics and parameters of the processed sheet material according to the position and motion state of the press roller 6, providing accurate measurement data. The other output shaft is connected with a press roller 6. Thus, the power of the first motor 4 is transmitted to the press roller 6 through the transmission of the gear box 18 to achieve the pressing and control of the processed sheet material. The circumferential edge of the press roller 6 transversely corresponds to the emitting end of the laser sensor 5, so that it can be ensured that the laser sensor 5 can accurately measure and monitor the position and state of the processed sheet material during processing.
In summary, through the gear box 18 and two coaxially arranged output shafts, and the two output shafts of the gear box 18 are in a switching mode, that is, only one of the two output shafts can be connected with the input shaft, and the switching of the two output shafts is controlled through an electric control switch connected with the processing control system, the power of the first motor 4 can be respectively transmitted to the laser sensor 5 and the press roller 6, so that the measurement and control of the processed plate are realized. Such a design can improve the accuracy and stability of the machining.
In any of the above embodiments, two conveying rollers 7 are longitudinally arranged, a gap for the processed board to pass through is arranged between the two conveying rollers 7, a fourth motor 19 is installed on the sliding table 2, and the output end of the fourth motor 19 is connected with the conveying rollers 7 so as to drive the two conveying rollers 7 to reversely rotate.
In this embodiment, the conveying rollers 7 are provided in two in the longitudinal direction, and a gap through which the processed sheet material passes, specifically, through which the processed sheet material can be conveyed between the two conveying rollers 7, is provided between the two conveying rollers 7. In addition, a fourth motor 19 is mounted on the slide table 2, and its output end is connected to the two conveying rollers 7 to drive the two conveying rollers 7 to rotate reversely. The purpose of this design is to ensure that the conveyor rollers 7 provide sufficient friction and traction to maintain stable movement of the sheet as it passes through.
By controlling the rotation direction and speed of the fourth motor 19, the rotation direction and speed of the conveying roller 7 can be adjusted, thereby realizing conveying and positioning of the processed sheet material, and ensuring that the processed sheet material keeps stable and stable movement in the processing process so as to perform accurate processing operation.
Specifically, two longitudinally disposed conveying rollers 7 cooperate with the rotation of the fourth motor 19 to provide a gap for the passage of the processed sheet material and to maintain stable conveying and positioning of the processed sheet material during processing by adjusting the direction and speed of rotation of the conveying rollers 7.
In any of the above embodiments, when the laser sensor 5 acquires distance data of the processed sheet and the laser sensor 5, the laser sensor 5 longitudinally corresponds to the top of the conveying roller 7, and acquires the interval length with the top of the conveying roller 7 as the calibration data.
The calibration data are used for correcting the distance data.
In this embodiment, when the laser sensor 5 acquires distance data of the processed sheet from the sensor, its longitudinal position corresponds to the top of the conveying roller 7. Calibration data can be obtained by measuring the length of the interval between the laser sensor 5 and the top of the conveying roller 7. This calibration data can be used to determine the distance of the laser sensor 5 from the surface of the processed sheet. By calibration and calibration, the system can make measurements based on this gap length to obtain more accurate processed sheet surface distance data. By using the top of the transport roller 7 as a reference point, a fixed reference position can be provided so that the laser sensor 5 can accurately measure the distance between the processed sheet material and it. Therefore, the height change of the surface of the plate can be monitored in real time in the processing process, and the positions and parameters of other components are correspondingly adjusted so as to ensure the processing quality and accuracy.
In any of the above embodiments, the outer wall of the press roll 6 is provided with a grinding sheet 601 for grinding the surface of the processed sheet, and the control data includes:
synchronous rotation data for controlling the rotation speeds of the first motor 4 and the fourth motor 19 to be the same.
Asynchronous rotation data for controlling the rotational speed of the first motor 4 to be greater than or less than the rotational speed of the fourth motor 19.
In this embodiment, the outer wall of the press roll 6 is provided with a grinding sheet 601 for grinding the surface of the processed sheet, and has the following control data: synchronous rotation data: these data are used to control the rotational speed of the first motor 4 and the fourth motor 19 to be the same. By keeping the rotational speeds of the two motors synchronized, it is ensured that the abrasive sheet 601 rotates at the same speed during the polishing process, so that friction is not generated when pressing down the processed sheet material; asynchronous rotation data: these data are used to control the rotational speed of the first motor 4 to be greater or less than the rotational speed of the fourth motor 19. Different polishing effects can be achieved by adjusting the rotation speed difference of the two motors. For example, if the rotational speed of the first motor is greater than the rotational speed of the fourth motor, the abrasive sheet 601 will rotate at a higher speed, potentially resulting in a faster surface removal rate. Conversely, if the rotational speed of the first motor is less than the rotational speed of the fourth motor, the abrasive sheet 601 will rotate at a lower speed, enabling a smoother and finer work surface to be produced.
By using synchronous rotation data and asynchronous rotation data, an operator may adjust the rotational speed of the abrasive disc 601 to achieve a desired machining effect according to specific machining needs and requirements. Such a control strategy may provide flexibility and adjustability to meet the requirements of different sheet surface finishes.
Specifically, when either of the two output shafts of the gear box 18 is connected to the input shaft and has power transmission, the output shaft and the input shaft both have the same rotational speed.
In any of the above embodiments, when the rotation speeds of the first motor 4 and the fourth motor 19 are different, the slide table 2 is matched with the lifting table, so that the pressing roller 6 polishes the processed sheet along the surface of the processed sheet.
When the rotational speeds of the first motor 4 and the fourth motor 19 are the same, the press roller 6 and the top roller 8 cooperate to bend the processed sheet.
In this embodiment, when the rotation speeds of the first motor 4 and the fourth motor 19 are different, the sliding table 2 is matched with the lifting table, so that the pressing roller 6 performs polishing along the surface of the processed plate, and the position and the contact force of the pressing roller 6 can be controlled by adjusting the movement of the sliding table 2 and the lifting table, so that polishing of the processed plate is realized. On the other hand, when the rotational speeds of the first motor 4 and the fourth motor 19 are the same, the press roller 6 cooperates with the top roller 8 to perform bending processing on the processed sheet material. By adjusting the position and contact force of the press roller 6 and the top roller 8, the bending treatment of the processed plate can be realized. This cooperation allows the shape and curvature of the processed sheet to be varied in an accurate manner to meet specific processing requirements.
As can be seen from the above, by controlling the rotational speeds of the first motor 4 and the fourth motor 19, and the movements of the corresponding slide table 2, lift table, press roller 6 and top roller 8, different types of processing operations can be achieved, including various processing modes such as sanding and bending, and processing of sheet materials of different shapes. Such flexibility and adjustability enables the system to accommodate various processing requirements and to enable more processing operations.
In any of the above embodiments, the two ends of the top roller 8 are respectively rotatably connected with a supporting seat 20, a supporting rod 21 is mounted on the lower surface of the supporting seat 20, and a sliding hole 22 attached to the side wall of the supporting rod 21 is formed on the sliding table 2.
Wherein, a supporting seat 20 side wall is connected with the movable end of the single-axis robot 9.
In this embodiment, the support seats 20 are rotatably connected to both ends of the top roller 8, respectively. The lower surface of the support base 20 is provided with a strut 21. The sliding table 2 is provided with a sliding hole 22 attached to the side wall of the supporting rod 21. In addition, a sidewall of one support base 20 is connected to the moving end of the single axis robot 9. So that the top roller 8 can move in the longitudinal direction at the slide table 2, and the support base 20 and the strut 21 provide support and stabilization of the top roller 8. Meanwhile, one side wall of the supporting seat 20 is connected with the moving end of the single-axis robot 9, and the position of the top roller 8 can be adjusted or changed by controlling the movement of the single-axis robot 9 so as to meet different processing requirements.
The fixing and guiding of the top roller 8 on the sliding table 2 can be realized by the combination of the sliding holes 22 and the supporting rods 21. In this way, the top roller 8 can move along with the movement of the sliding table 2, necessary support and pressure are provided in the machining process, and the stability and precision of the machined plate are ensured.
As can be seen from the above, the top roller 8 is longitudinally movable by a combination of the support base, the support rod and the slide hole, and is connected to the single-axis robot 9, thereby supporting and controlling the processed sheet material. Such a design provides a more flexible and accurate way of machining and can accommodate different shapes and sizes of machined sheet material.
In any of the above embodiments, the base 1 is further provided with a fifth motor 25 and a belt transmission mechanism 26, the belt transmission mechanism 26 includes two guide wheels, the two guide wheels are respectively disposed on a side wall of the base 1 and an output end of the fifth motor 25, the two guide wheels are respectively sleeved with a belt, a lower surface of the sliding table 2 is fixedly connected with the side wall of the belt, a guide ring 24 is mounted on a lower surface of the sliding table 2, and a guide rod 23 matched with the guide ring 24 is fixedly mounted on the side wall of the base 1.
In this embodiment, the base 1 is further provided with a fifth motor 25 and a belt transmission mechanism 26. The belt drive 26 comprises two guide wheels, which are arranged on the side wall of the base 1 and at the output of the fifth motor 25, respectively. A belt is sleeved between the two guide wheels. The lower surface of slip table 2 and belt lateral wall fixed connection to realize the motion of slip table 2. In addition, a guide ring 24 is arranged on the lower surface of the sliding table 2, and a guide rod 23 matched with the guide ring 24 is fixedly arranged on the side wall of the base 1.
The power can be transmitted to the slide table 2 by the belt transmission between the output of the fifth motor 25 and the guide pulley. The rotation of the two guide wheels causes the sliding table 2 to move along the side wall of the base 1, and the cooperation of the guide ring 24 and the guide rod 23 provides guidance and stabilization of the moving direction of the sliding table 2, so that the transverse movement of the sliding table 2 can be accurately controlled by controlling the rotation speed and direction of the fifth motor 25. The lateral movement of the sliding table 2 can be used for assisting the position adjustment, part conveying and other operations in the machining process.
In summary, the slide table 2 can be moved laterally on the side wall of the base 1 by the fifth motor 25 and the belt transmission mechanism 26. The cooperation of the guide ring 24 and the guide rod 23 provides control and stabilization of the direction of movement of the slide table 2. Such a design increases the flexibility and accuracy of the system so that the slipway 2 can accommodate different processing requirements.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (9)

1. A mathematical model-based component surfacing apparatus comprising: the device comprises a base (1), wherein a support (101) is longitudinally arranged on the base (1), the support (101) is provided with a processing control mechanism (3) and a lifting table capable of longitudinally moving, a first motor (4) is arranged on the lifting table, the output end of the first motor (4) is respectively connected with a laser sensor (5) and a compression roller (6), a sliding table (2) capable of transversely moving is arranged on the base (1), a conveying roller (7) and a top roller (8) are sequentially arranged on the sliding table (2) along the moving direction of the sliding table, and the conveying roller (7) is used for transversely clamping and conveying processed plates;
the lifting table is used for driving the pressing roller (6) to longitudinally move so as to apply longitudinal pressure to the processed plate, and the single processed plate is subjected to opposite longitudinal pressure directions applied by the pressing roller (8) and the pressing roller (6);
the processing control mechanism (3) generates control data for processing the surface of the processed plate through an internal processing model, and transmits the control data to the lifting table, the first motor (4), the conveying roller (7) and the single-shaft robot (9) so as to process the surface of the processed plate;
the laser sensor (5) is used for acquiring distance data between a processed plate and the laser sensor (5) and transmitting the distance data to the processing control mechanism (3);
the processing control mechanism (3) is electrically connected to the laser sensor (5), the lifting table, the first motor (4), the conveying roller (7) and the single-axis robot (9), respectively, and the processing control mechanism (3) includes:
a data transceiver module (301) for collecting said distance data and transmitting said control data;
a data generation module (302) for generating control data for processing the surface of the processed plate through the processing model;
a simulation module (303) for generating curvature data of the surface of the current processing plate through the distance data, generating a surface model of the processing plate according to the curvature data, and simulating the surface model;
and the parameter correction module (304) is used for judging whether the simulation result is qualified, if so, the data generation module (302) is used for generating control data containing a machining termination command, and if not, the data generation module (302) is used for modifying parameters of the machining model, and the control data is generated according to the current machining model.
2. The mathematical model-based component surface treating apparatus according to claim 1, wherein the bracket (101) is a U-shaped bracket, and both ends thereof are respectively connected to the base (1); the side wall of the base (1) is provided with a second motor (10), the output end of the second motor (10) is provided with a lead screw (11), and the lead screw (11) is connected with the lifting table so as to drive the lifting table to longitudinally move;
wherein the second motor (10) longitudinally corresponds to the connection part of the bracket (101) and the base (1).
3. The mathematical model-based component surface treating apparatus as claimed in claim 2, wherein the elevating table includes:
the first table body (12) is in threaded connection with the lead screw (11), a guide hole (1201) is formed in the first table body (12), and a guide rod (13) matched with the guide hole (1201) is arranged on the base (1);
the third motor (14) is arranged on the first table body (12), a transmission belt (15) is sleeved at the output end of the third motor (14), and a belt pulley (16) matched with the transmission belt (15) is arranged at one end, far away from the third motor (14), of the first table body (12);
the second table body (17) is connected to the first table body (12) in a sliding manner, and the second table body (17) is fixedly connected with the middle part of the transmission belt (15) so as to enable the second table body (17) to move along the direction perpendicular to the conveying direction of the processed plate;
wherein the first motor (4) is mounted on the second table body (17).
4. A mathematical model-based component surfacing apparatus according to claim 3, characterized in that the second table body (17) is provided with a gear box (18), the input shaft of the gear box (18) is connected with the output end of the first motor (4), and the gear box (18) comprises two output shafts, which are respectively connected with the laser sensor (5) and the press roll (6);
wherein the emitting end of the laser sensor (5) transversely corresponds to the circumferential edge of the pressing roller (6).
5. The mathematical model-based component surface processing apparatus as claimed in claim 1, wherein two conveying rollers (7) are longitudinally arranged, a gap for the processed board to pass through is arranged between the two conveying rollers (7), a fourth motor (19) is mounted on the sliding table (2), and an output end of the fourth motor (19) is connected with the conveying rollers (7) so as to drive the two conveying rollers (7) to reversely rotate.
6. The mathematical model-based component surface treating apparatus according to claim 5, wherein when the laser sensor (5) acquires distance data of the treated sheet from the laser sensor (5), the laser sensor (5) longitudinally corresponds to the top of the conveying roller (7) and acquires a distance length from the top of the conveying roller (7) as calibration data;
the calibration data are used for correcting the distance data.
7. The mathematical model-based component surface treating apparatus according to claim 6, wherein the outer wall of the press roll (6) is mounted with a grinding plate (601) for grinding the surface of the treated sheet, and the control data includes:
synchronous rotation data for controlling the rotation speeds of the first motor (4) and the fourth motor (19) to be the same;
asynchronous rotation data for controlling the rotational speed of the first motor (4) to be greater than or less than the rotational speed of the fourth motor (19).
8. Mathematical model-based component surface treating apparatus according to claim 7, wherein the slide table (2) cooperates with the lifting table to cause the press roller (6) to polish the processed sheet along the surface of the processed sheet when the rotational speeds of the first motor (4) and the fourth motor (19) are different;
when the rotation speeds of the first motor (4) and the fourth motor (19) are the same, the press roller (6) is matched with the top roller (8) so as to bend the processed plate.
9. The component surface machining device based on the mathematical model according to claim 1, wherein two ends of the top roller (8) are respectively and rotatably connected with a supporting seat (20), a supporting rod (21) is arranged on the lower surface of the supporting seat (20), and a sliding hole (22) attached to the side wall of the supporting rod (21) is formed in the sliding table (2);
the side wall of one supporting seat (20) is connected with the moving end of the single-axis robot (9).
CN202311403888.9A 2023-10-27 2023-10-27 Component surface machining equipment based on mathematical model Active CN117124012B (en)

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CN115283514A (en) * 2022-04-18 2022-11-04 苏州优缘建材有限公司 Aluminum plate arc-shaped edge folding device and aluminum plate edge folding method

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Publication number Priority date Publication date Assignee Title
JPH08174117A (en) * 1994-12-26 1996-07-09 Ishikawajima Harima Heavy Ind Co Ltd Panel bender
JP2002126822A (en) * 2001-09-21 2002-05-08 Daido Machinery Ltd Apparatus for bending metallic plate
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