CN112536871B - Code scanning type numerical control sawing system and processing method thereof - Google Patents
Code scanning type numerical control sawing system and processing method thereof Download PDFInfo
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- CN112536871B CN112536871B CN202011400693.5A CN202011400693A CN112536871B CN 112536871 B CN112536871 B CN 112536871B CN 202011400693 A CN202011400693 A CN 202011400693A CN 112536871 B CN112536871 B CN 112536871B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- H—ELECTRICITY
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Abstract
The invention relates to a code scanning type numerical control sawing system and a processing method thereof, wherein the system comprises an industrial personal computer, a PLC, a sliding table saw, a first exchanger, a second exchanger, a database, a scanning gun and a PC; the sliding table saw comprises a CNC controller, a longitudinal backup plate device and a transverse backup plate device; the CNC controller controls a first driving mechanism connected with the sawing device, the longitudinal backing plate device and a second driving mechanism of the transverse backing plate device; the database stores the information of the plate to be processed associated with the two-dimensional code and the positioning and processing programs thereof; after the code scanning, the two backup plates are controlled to move to realize automatic positioning of the plates, the intelligent degree is high, manual input is avoided, the positioning and processing precision is high, the processing cost is reduced, and the processing efficiency is improved; the wiring is simple, the daily processing is convenient, the workload of staff is reduced, and the real-time condition of plate processing is convenient for the staff in the company to know; in addition, the processing method is simple to operate, high in automation degree, positioning and processing precision and capable of reducing the workload of operators.
Description
Technical Field
The invention relates to the technical field of numerical control sawing systems, in particular to a code scanning type numerical control sawing system and a processing method thereof, which are mainly applied to a sliding table saw.
Background
The existing numerical control sliding table saw generally realizes numerical control only on one group of positioning backup plates, and the other group of positioning backup plates still need manual adjustment; in addition, although the positioning backup plate is numerical control, the control parameters still need to be manually input, the intelligent degree is low, and the positioning accuracy is low. Moreover, in the processing process of the existing sliding table saw, the real-time condition of plate processing is difficult to be known by the internal personnel of a company in real time.
Accordingly, in the present application, the applicant has studied a sweep pattern numerical control sawing system and a processing method thereof to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to provide a code scanning type numerical control sawing system and a processing method thereof, which can control the movement of two backup plates to realize automatic positioning of the plates after code scanning, have higher intelligent degree, avoid manual input, have higher positioning and processing precision, reduce processing cost and improve processing efficiency; moreover, the wiring is simple, the daily processing is convenient, the workload of staff is reduced, and meanwhile, the staff in the company can know the real-time condition of the plate processing conveniently; in addition, the processing method is simple to operate, high in automation degree, positioning and processing precision and capable of reducing the workload of operators.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the code scanning type numerical control sawing system comprises an industrial personal computer with a display screen, a PLC, a sliding table saw, a first exchanger, a second exchanger, a database, a scanning gun for scanning two-dimension codes on a plate to be processed and at least one PC;
the industrial personal computer is in communication connection with the first switch through the Ethernet, the first switch is respectively connected with the PLC and the second switch through the Ethernet, the second switch is a local area network switch, and the second switch is connected with the PC through the Ethernet;
the sliding table saw comprises a CNC controller, a frame, a sawing device fixed on the frame, a backup plate workbench, a movable workbench, a longitudinal backup plate device positioned on the backup plate workbench and a transverse backup plate device positioned on the movable workbench;
the first switch is also in communication connection with the CNC controller through the Ethernet; the longitudinal backup plate device comprises a longitudinal backup plate which can move on a backup plate workbench to lean against a plate to be processed, and a first driving mechanism for driving the longitudinal backup plate to move along the Y axial direction; the transverse backup plate device comprises a transverse backup plate which can move on the movable workbench to lean against a plate to be processed, and a second driving mechanism for driving the transverse backup plate to move along the X axial direction; the CNC controller is respectively connected with the sawing device, the first driving mechanism and the second driving mechanism in a control mode;
the database stores the information of the plate to be processed and the positioning and processing programs thereof, which are associated with the two-dimension codes, the scanning gun and the database are respectively connected with the industrial personal computer and are used for acquiring the information of the plate to be processed and the positioning and processing programs thereof from the database and then transmitting control signals to the CNC controller after the scanning gun scans the two-dimension codes.
As a preferable scheme, the first driving mechanism comprises a first servo motor and a first incremental position encoder, wherein the first servo motor is used for driving and connecting the longitudinal backup plate, the first incremental position encoder is arranged on the first servo motor and used for detecting the position of the longitudinal backup plate, the first servo motor is connected with a first transmission screw rod device, and the longitudinal backup plate is arranged on the first transmission screw rod device;
the second driving mechanism comprises a second servo motor and a second incremental position encoder, the second servo motor is in driving connection with the transverse backup plate, the second incremental position encoder is arranged on the second servo motor and used for detecting the position of the transverse backup plate, the second servo motor is connected with a second transmission screw rod device, and the transverse backup plate is arranged on the second transmission screw rod device;
the CNC controller is respectively connected with the first servo motor, the first incremental position encoder, the second servo motor and the second incremental position encoder in a control mode.
As a preferable scheme, the sawing device comprises a main sawing component for sawing a plate to be processed and a secondary sawing component for slotting the plate to be processed;
the main saw component comprises a main saw blade and a main saw motor for driving the main saw blade to rotate, the auxiliary saw component comprises an auxiliary saw blade and an auxiliary saw motor for driving the auxiliary saw blade to rotate, the main saw motor is electrically connected with the CNC controller through a first contactor, and the auxiliary saw motor is electrically connected with the CNC controller through a second contactor.
As a preferable scheme, an anti-collision module for preventing the main saw component and the auxiliary saw component from collision during processing is arranged for the main saw component and the auxiliary saw component, and the anti-collision module comprises a distance sensor for detecting the distance between the main saw motor and the auxiliary saw motor and an alarm module for alarming when an alarm signal is received;
the CNC controller is respectively controlled and connected with the distance sensor and the alarm module, and when the distance between the main saw motor and the auxiliary saw motor is smaller than the alarm distance threshold value, the CNC controller outputs an alarm signal to the alarm module so that the alarm module gives an alarm.
As a preferable scheme, the CNC controller is connected with a first lifting control button for controlling the lifting of the main saw motor, a second lifting control button for controlling the lifting of the auxiliary saw motor and a 45-degree knob for controlling the common angle deflection of the main saw motor and the auxiliary saw motor;
the sawing device further comprises a first mounting seat, a second mounting seat, a first lifting driving mechanism, a second lifting driving mechanism, a saw seat arranged on the frame and an angle deflection mechanism used for driving the saw seat to swing, wherein the saw seat is provided with a first linear slide rail and a second linear slide rail which extend along the Z axial direction;
the main saw motor is arranged on a first mounting seat, the first mounting seat is adapted to the first linear slide rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so as to enable the first mounting seat to slide on the first linear slide rail;
the auxiliary saw motor is arranged on a second mounting seat, the second mounting seat is adapted to the second linear slide rail, and the second lifting driving mechanism is in driving connection with the second mounting seat so as to enable the second mounting seat to slide on the second linear slide rail;
the angle deflection mechanism is connected between the frame and the saw seat.
As a preferable scheme, a normally closed main saw motor thermal relay is connected in series between the main saw motor and the first contactor, and the main saw motor thermal relay is arranged on the main saw motor;
and a normally-closed auxiliary saw motor thermal relay is connected in series between the auxiliary saw motor and the second contactor, and the auxiliary saw motor thermal relay is arranged on the auxiliary saw motor.
As a preferable scheme, the industrial personal computer is provided with operation software capable of performing PLC programming, drawing and function selection, and the operation software is connected with a database;
an input hardware device for programming, drawing or selecting operation is arranged for the operation software, wherein the input hardware device comprises a mouse and a keyboard, and the mouse and the keyboard are connected with the operation software.
As a preferred scheme, still including handheld unit, handheld unit is including button board and hand pulser, button board and hand pulser all are connected in CNC controller.
The processing method of the code scanning type numerical control sawing system is based on the code scanning type numerical control sawing system, and the processing steps comprise:
step 1: placing the plate to be processed on a corresponding limiting position of the longitudinal backup plate or the transverse backup plate;
step 2: firstly scanning a two-dimensional code on a plate to be processed through a scanning gun, acquiring information of the plate to be processed and a positioning and processing program thereof from a database by the industrial personal computer, and then sending control signals to a CNC (computer numerical control) controller, wherein the CNC controller respectively controls a first driving mechanism and a second driving mechanism to drive a corresponding backup plate to move so as to position the plate to be processed for preparation of processing;
step 3: after the first driving mechanism and the second driving mechanism move to the appointed positions, the industrial personal computer sends signals to the CNC controller, the CNC controller controls the sawing device to start working, and then the movable table is pushed to move so as to process the plate to be processed;
step 4: after the machining is finished, the CNC controller controls the sawing device to stop working, and meanwhile, the CNC controller respectively controls the first driving mechanism and the second driving mechanism to drive the corresponding backup plate to reset and move;
step 5: and after the longitudinal backup plate and the transverse backup plate are reset, the plate material can be taken away.
As a preferred scheme, in step 3, the handheld unit is including button board and hand pulser, the button board electricity is connected in CNC controller, be provided with the start button that is connected in CNC controller electricity on the button board, after pressing the start button, CNC controller control saw cuts the device and opens work.
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular: the automatic positioning device mainly comprises a scanning gun, a longitudinal backup plate device and a transverse backup plate device, wherein the two backup plates can be controlled to move after code scanning to realize automatic positioning of the plates, the intelligent degree is high, manual input is avoided, the positioning and processing precision is high, the processing cost is reduced, and the processing efficiency is improved; in particular, through the design of the first switch and the Ethernet, CNC controllers of the PLC, the industrial personal computer and the sliding table saw are unified into one system, wiring is simple, daily processing is convenient, workload of workers is reduced, the first switch is in communication connection with a local area network switch through the Ethernet, and the local area network switch can be connected with a plurality of PCs (personal computers) under a local area network in a company, so that the real-time condition of plate processing is convenient for the personnel in the company; in addition, the processing method is simple to operate, has higher automation degree, positioning and processing precision, and reduces the workload of operators;
secondly, collision between the main saw blade and the auxiliary saw blade can be avoided through the anti-collision module, and the processing safety is improved; moreover, through the corresponding thermal relay, the main saw motor and the auxiliary saw motor are powered off in time when overcurrent and overheat occur, so that the safety is further improved, and the service lives of the main saw motor and the auxiliary saw motor are prolonged;
and by installing the operation software on the industrial personal computer, an operator can program and draw on the operation software at any time so as to realize more processing modes.
In order to more clearly illustrate the structural features and efficacy of the present invention, a detailed description thereof will be given below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of a portion of a table saw according to a preferred embodiment of the present invention (showing a printer and a display screen);
FIG. 2 is a schematic view of another angular partial structure of a table saw according to the preferred embodiment of the present invention (showing the printer and display screen);
FIG. 3 is a schematic view of an exploded view of a table saw according to a preferred embodiment of the present invention;
fig. 4 is a schematic control block diagram of the preferred embodiment of the present invention.
Reference numerals illustrate:
10. industrial control computer
11. Mouse 12 and keyboard
13. Display screen
20、PLC
31. CNC controller 32, frame
33. Sawing device
331. Main saw blade 332 and main saw motor
333. Auxiliary saw blade 334 and auxiliary saw motor
335. First contact 336, second contact
337. Main saw motor thermal relay 338 and auxiliary saw motor thermal relay
34. Backup plate workbench
341. Fixed work table 342, widening work table
35. Movable table 36, longitudinal backing plate device
361. Longitudinal backing plate 362, first drive mechanism
3621. First servo motor 3622 and first incremental position encoder
37. Transverse backing plate device
371. Transverse backup plate 372 and second driving mechanism
3721. Second servo motor 3722, second incremental position encoder
38. Distance sensor 39 and alarm module
41. First switch 42, second switch
43. Database for storing data
50. Hand-held unit 51 and hand-operated pulse generator
52. First and second lift control buttons 53 and 53
54. 45 degree knob 55, scram button
56. Starting button
61. Printer 62 and PC
63. A scanning gun.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
As shown in fig. 1 to 4, a code scanning type numerical control sawing system comprises an industrial personal computer 10 with a display screen 13, a PLC 20, a sliding table saw, a first switch 41, a second switch 42, a database 43, a handheld unit 50, a printer 61 for printing bar codes and connecting with the industrial personal computer 10, a scanning gun 63 for scanning two-dimensional codes on a sheet to be processed, and at least one PC 62;
the display 13 is a touch display. The industrial personal computer 10 is in communication connection with a first switch 41 through an Ethernet, the first switch 41 is respectively connected with the PLC 20 and a second switch 42 through the Ethernet, the second switch 42 is a local area network switch, and the second switch 42 is connected with a PC 62 through the Ethernet;
the sliding table saw comprises a CNC controller 31, a frame 32, a sawing device 33 fixed on the frame 32, a backup plate workbench 34, a movable workbench 35, a longitudinal backup plate device 36 positioned on the backup plate workbench 34, and a transverse backup plate device 37 positioned on the movable workbench 35;
the first switch 41 is also in communication connection with the CNC controller 31 via ethernet; the longitudinal backing plate device 36 comprises a longitudinal backing plate 361 which can move on the backing plate workbench 34 to lean against the plate to be processed, and a first driving mechanism 362 for driving the longitudinal backing plate 361 to move along the Y-axis; the transverse backup plate device 37 comprises a transverse backup plate 371 which can move on the movable workbench 35 to lean against a plate to be processed, and a second driving mechanism for driving the transverse backup plate 371 to move along the X axial direction; the CNC controller 31 is respectively connected with the sawing device 33, the first driving mechanism 362 and the second driving mechanism in a control way;
the database 43 stores the information of the sheet to be processed and the positioning and processing programs thereof associated with the two-dimension code, the scanning gun 63 and the database 43 are respectively connected with the industrial personal computer 10, and after the scanning gun 63 scans the two-dimension code, the industrial personal computer 10 obtains the information of the sheet to be processed and the positioning and processing programs thereof from the database 43, and then sends the control signals to the CNC controller 31. In this embodiment, the database 43 may also store each machining order, each machining log record, and the like.
The first driving mechanism 362 includes a first servo motor 3621 for driving and connecting the longitudinal backup plate 361, and a first incremental position encoder 3622 mounted on the first servo motor 3621 for detecting the position of the longitudinal backup plate 361, the first servo motor 3621 is connected with a first transmission screw device, and the longitudinal backup plate 361 is mounted on the first transmission screw device;
the second driving mechanism comprises a second servo motor 3721 in driving connection with the transverse backup plate 371 and a second incremental position encoder 3722 installed on the second servo motor 3721 and used for detecting the position of the transverse backup plate 371, the second servo motor 3721 is connected with a second transmission screw rod device, and the transverse backup plate 371 is installed on the second transmission screw rod device;
in this embodiment, the longitudinal backup plate 361 is used for leaning against one side of the plate to be processed, and the transverse backup plate 371 is used for leaning against an opposite side of the plate to be processed. The backup plate work table 34 includes a fixed work table 341 and a widening work table 342, and the backup plate work table 34 is fixed above the frame 32. The first driving mechanism 362 is mounted on a fixing base, and the fixing base is fixed on the side surfaces of the fixed table 341 and the widening table 342.
The first transmission screw rod device comprises a first screw rod and a first sliding rail fixed on the fixed seat, the first servo motor 3621 is installed below the fixed seat, two ends of the first screw rod are connected to two sides of the fixed seat through first bearings, the first servo motor 3621 is connected with the end portion of the first screw rod through a first belt, and accordingly the first screw rod is driven to rotate through the first belt after being rotated by the first servo motor 3621, the longitudinal backup plate 361 is arranged on the first screw rod in a penetrating mode through a first sliding seat, the first sliding seat is matched with the first sliding rail, and the first sliding seat is driven to move through rotation of the first screw rod.
In this embodiment, the structure of the second transmission screw device is the same as that of the first transmission screw device, except that both ends of the second screw of the second transmission screw device and the second sliding rail are fixed on the movable table 35.
The CNC controller 31 is respectively connected to the first servo motor 3621, the first incremental position encoder 3622, the second servo motor 3721 and the second incremental position encoder 3722. The CNC controller 31 drives the corresponding servo motor through the corresponding servo driver, preferably, the CNC controller 31 is connected with the corresponding servo driver through a MECHARCOLINK-II field bus, and the maximum speed is 10Mbit/s. The rotation angles of the respective servo motors can be detected by the respective incremental position encoders, thereby indirectly detecting the displacements of the longitudinal fence 361 and the lateral fence 371. In this structure in the present embodiment, only the angular displacement of the corresponding servo motor is closed-loop controlled, and the closed-loop control of the linear displacement of the final output is not realized, so that it is called "semi-closed-loop control"; the embodiment can reach the processing precision within 0.02mm for woodworking equipment, which exceeds the standard of 0.1mm in the industry.
In this embodiment, the sawing device 33 includes a main saw component for sawing the plate to be processed and a sub saw component for slotting the plate to be processed;
the main saw unit comprises a main saw blade 331 and a main saw motor 332 for driving the main saw blade 331 to rotate, the auxiliary saw unit comprises an auxiliary saw blade 333 and an auxiliary saw motor 334 for driving the auxiliary saw blade 333 to rotate, the main saw motor 332 is electrically connected with the CNC controller 31 through a first contactor 335, and the auxiliary saw motor 334 is electrically connected with the CNC controller 31 through a second contactor 336.
In the embodiment, an anti-collision module for preventing the main saw component and the auxiliary saw component from colliding during processing is arranged for the main saw component and the auxiliary saw component, and comprises a distance sensor 38 for detecting the distance between the main saw motor 332 and the auxiliary saw motor 334 and an alarm module 39 for alarming when an alarm signal is received;
the CNC controller 31 is respectively connected to the distance sensor 38 and the alarm module 39, and when the distance between the main saw motor 332 and the auxiliary saw motor 334 is smaller than the alarm distance threshold, the CNC controller 31 outputs an alarm signal to the alarm module 39 so that the alarm module 39 gives an alarm. By means of the distance sensor 38, it can be determined in advance whether the processing to be performed is at risk, and an alarm can be given to avoid malfunctions or even safety accidents as soon as there is a risk. On the other hand, the processing distance may be calculated by monitoring the coordinates of the vertical fence 361 and the horizontal fence 371 in real time. The combination of pre-judgment and real-time monitoring ensures better safe and stable processing.
The hand-held unit 50 includes a button plate and a hand-operated pulse generator 51, and the button plate and the hand-operated pulse generator 51 are electrically connected to the CNC controller 31. The CNC controller 31 is connected with a first lifting control button 52 for controlling the lifting of the main saw motor 332, a second lifting control button 53 for controlling the lifting of the auxiliary saw motor 334, and a 45-degree knob 54 for controlling the common angle deflection of the main saw motor 332 and the auxiliary saw motor 334; the first lifting control button 52, the second lifting control button 53 and the 45 degree knob 54 may be disposed on the button plate, and of course, the three may be disposed separately or integrated on another function plate. A scram button 55 may also be provided on the button plate.
The sawing device 33 further comprises a first mounting seat, a second mounting seat, a first lifting driving mechanism, a second lifting driving mechanism, a saw seat arranged on the frame 32 and an angle deflection mechanism for driving the saw seat to swing, wherein the saw seat is provided with a first linear slide rail and a second linear slide rail which extend along the Z axial direction;
the main saw motor 332 is mounted on a first mounting seat, the first mounting seat is adapted to the first linear slide rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so as to enable the first mounting seat to slide on the first linear slide rail;
the auxiliary saw motor 334 is mounted on a second mounting seat, the second mounting seat is adapted to the second linear slide rail, and the second lifting driving mechanism is in driving connection with the second mounting seat so as to enable the second mounting seat to slide on the second linear slide rail; the angle deflection mechanism is connected between the frame 32 and the saw blade.
In this embodiment, a normally closed main saw motor thermal relay 337 is connected in series between the main saw motor 332 and the first contactor 335, and the main saw motor thermal relay 337 is disposed on the main saw motor 332;
a normally closed auxiliary saw motor thermal relay 338 is connected in series between the auxiliary saw motor 334 and the second contactor 336, and the auxiliary saw motor thermal relay 338 is arranged on the auxiliary saw motor 334. Through the design of main saw motor thermal relay 337 and vice saw motor thermal relay 338, can effectively prevent that main saw motor 332 and vice saw motor 334 from playing the guard action when overcurrent or overheat. When the main saw motor 332 or the auxiliary saw motor 334 is clamped and sawed, the main saw motor 332 or the auxiliary saw motor 334 is not rotated, and the main saw motor 332 or the auxiliary saw motor 334 is not heated when stopped in the middle of a plate to be processed, so that the main saw motor 332 or the auxiliary saw motor 334 generates heat, and after the main saw motor 332 or the auxiliary saw motor 334 generates heat, the corresponding thermal relay works, so that the normally closed corresponding thermal relay is disconnected, and the main saw motor 332 or the auxiliary saw motor 334 is in a disconnected state, so that the use safety is improved.
The industrial personal computer 10 is provided with operation software capable of performing programming, drawing and function selection of the PLC 20, and the operation software is connected with the database 43; an input hardware device for programming, drawing or selecting operations is provided for the operation software, the input hardware device including a mouse 11 and a keyboard 12, the mouse 11 and the keyboard 12 being connected to the operation software. More functions (e.g., updating new machining schemes and more sophisticated pictures) can be mapped, programmed, or completed by the mouse 11 and keyboard 12.
The processing method of the code scanning type numerical control sawing system is based on the code scanning type numerical control sawing system, and the processing steps comprise:
step 1: placing the plate to be processed on a corresponding limiting position of the longitudinal backup plate 361 or the transverse backup plate 371;
step 2: firstly, scanning a two-dimensional code on a plate to be processed through a scanning gun 63, acquiring information of the plate to be processed and a positioning and processing program thereof from a database 43 by the industrial personal computer 10, and then, sending a control signal to the CNC controller 31 by the industrial personal computer 10, wherein the CNC controller 31 respectively controls a first driving mechanism 362 and a second driving mechanism to drive a corresponding backup plate to move so as to position the plate to be processed for preparing processing;
step 3: after the first driving mechanism 362 and the second driving mechanism move to the specified positions, the industrial personal computer 10 sends a signal to the CNC controller 31, the CNC controller 31 controls the sawing device 33 to start working, and then the movable table is pushed to move so as to process the plate to be processed;
step 4: after the machining is finished, the CNC controller 31 controls the sawing device 33 to stop working, and at the same time, the CNC controller 31 respectively controls the first driving mechanism 362 and the second driving mechanism to drive the corresponding backup plates to reset and move;
step 5: after the longitudinal backup plate 361 and the transverse backup plate 371 are reset, the plate material can be removed.
Preferably, in step 3, the hand-held unit 50 includes a button board and a hand-operated pulse generator 51, the button board is electrically connected to the CNC controller 31, a start button 56 electrically connected to the CNC controller 31 is disposed on the button board, and after the start button 56 is pressed, the CNC controller 31 controls the sawing device 33 to start working.
The design key point of the invention is as follows: the automatic positioning device mainly comprises a scanning gun, a longitudinal backup plate device and a transverse backup plate device, wherein the two backup plates can be controlled to move after code scanning to realize automatic positioning of the plates, the intelligent degree is high, manual input is avoided, the positioning and processing precision is high, the processing cost is reduced, and the processing efficiency is improved; in particular, through the design of the first switch and the Ethernet, CNC controllers of the PLC, the industrial personal computer and the sliding table saw are unified into one system, wiring is simple, daily processing is convenient, workload of workers is reduced, the first switch is in communication connection with a local area network switch through the Ethernet, and the local area network switch can be connected with a plurality of PCs (personal computers) under a local area network in a company, so that the real-time condition of plate processing is convenient for the personnel in the company; in addition, the processing method is simple to operate, has higher automation degree, positioning and processing precision, and reduces the workload of operators;
secondly, collision between the main saw blade and the auxiliary saw blade can be avoided through the anti-collision module, and the processing safety is improved; moreover, through the corresponding thermal relay, the main saw motor and the auxiliary saw motor are powered off in time when overcurrent and overheat occur, so that the safety is further improved, and the service lives of the main saw motor and the auxiliary saw motor are prolonged;
and by installing the operation software on the industrial personal computer, an operator can program and draw on the operation software at any time so as to realize more processing modes.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (1)
1. Sweep sign indicating number type numerical control saw cutting system, its characterized in that: the device comprises an industrial personal computer with a display screen, a PLC, a sliding table saw, a first switch, a second switch, a database, a scanning gun for scanning two-dimension codes on a plate to be processed and at least one PC;
the industrial personal computer is in communication connection with the first switch through the Ethernet, the first switch is respectively connected with the PLC and the second switch through the Ethernet, the second switch is a local area network switch, and the second switch is connected with the PC through the Ethernet;
the sliding table saw comprises a CNC controller, a frame, a sawing device fixed on the frame, a backup plate workbench, a movable workbench, a longitudinal backup plate device positioned on the backup plate workbench and a transverse backup plate device positioned on the movable workbench;
the first switch is also in communication connection with the CNC controller through the Ethernet; the longitudinal backup plate device comprises a longitudinal backup plate which can move on a backup plate workbench to lean against a plate to be processed, and a first driving mechanism for driving the longitudinal backup plate to move along the Y axial direction;
the transverse backup plate device comprises a transverse backup plate which can move on the movable workbench to lean against a plate to be processed, and a second driving mechanism for driving the transverse backup plate to move along the X axial direction; the CNC controller is respectively connected with the sawing device, the first driving mechanism and the second driving mechanism in a control mode;
the database stores the information of the plate to be processed and the positioning and processing programs thereof, which are associated with the two-dimension codes, the scanning gun and the database are respectively connected with the industrial personal computer, and after the scanning gun scans the two-dimension codes, the industrial personal computer acquires the information of the plate to be processed and the positioning and processing programs thereof from the database, and then sends control signals to the CNC controller;
the sawing device comprises a main saw component for sawing a plate to be processed and a subsidiary saw component for slotting the plate to be processed;
the main saw component comprises a main saw blade and a main saw motor for driving the main saw blade to rotate, the auxiliary saw component comprises an auxiliary saw blade and an auxiliary saw motor for driving the auxiliary saw blade to rotate, the main saw motor is electrically connected with the CNC controller through a first contactor, and the auxiliary saw motor is electrically connected with the CNC controller through a second contactor;
the anti-collision module is used for preventing the main saw component and the auxiliary saw component from collision during processing and comprises a distance sensor used for detecting the distance between the main saw motor and the auxiliary saw motor and an alarm module used for alarming when an alarm signal is received;
the CNC controller is respectively controlled and connected with the distance sensor and the alarm module, and outputs an alarm signal to the alarm module to enable the alarm module to give an alarm when the distance between the main saw motor and the auxiliary saw motor is smaller than an alarm distance threshold value;
the first driving mechanism comprises a first servo motor and a first incremental position encoder, wherein the first servo motor is used for driving and connecting the longitudinal backup plate, the first incremental position encoder is installed on the first servo motor and used for detecting the position of the longitudinal backup plate, the first servo motor is connected with a first transmission screw rod device, and the longitudinal backup plate is installed on the first transmission screw rod device;
the first transmission screw rod device comprises a first screw rod and a first sliding rail fixed on the fixed seat, the first servo motor is arranged below the fixed seat, two ends of the first screw rod are connected to two sides of the fixed seat through first bearings, the first servo motor is connected with the end parts of the first screw rod through first belts, so that the first screw rod is driven to rotate through the first belts after the first servo motor rotates, the longitudinal backup plate penetrates through the first screw rod through a first sliding seat, the first sliding seat is adapted to the first sliding rail, and the first sliding seat is driven to move through the rotation of the first screw rod;
the second driving mechanism comprises a second servo motor and a second incremental position encoder, the second servo motor is in driving connection with the transverse backup plate, the second incremental position encoder is arranged on the second servo motor and used for detecting the position of the transverse backup plate, the second servo motor is connected with a second transmission screw rod device, and the transverse backup plate is arranged on the second transmission screw rod device;
the CNC controller is respectively connected with the first servo motor, the first incremental position encoder, the second servo motor and the second incremental position encoder in a control mode;
the industrial personal computer is provided with operation software capable of performing PLC programming, drawing and function selection, and the operation software is connected with the database;
the method comprises the steps that input hardware equipment for programming, drawing or selecting operation is arranged for operation software, the input hardware equipment comprises a mouse and a keyboard, and the mouse and the keyboard are connected with the operation software;
the CNC controller is connected with a first lifting control button for controlling the lifting of the main saw motor, a second lifting control button for controlling the lifting of the auxiliary saw motor and a 45-degree knob for controlling the common angle deflection of the main saw motor and the auxiliary saw motor;
the sawing device further comprises a first mounting seat, a second mounting seat, a first lifting driving mechanism, a second lifting driving mechanism, a saw seat arranged on the frame and an angle deflection mechanism used for driving the saw seat to swing, wherein the saw seat is provided with a first linear slide rail and a second linear slide rail which extend along the Z axial direction;
the main saw motor is arranged on a first mounting seat, the first mounting seat is adapted to the first linear slide rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so as to enable the first mounting seat to slide on the first linear slide rail;
the auxiliary saw motor is arranged on a second mounting seat, the second mounting seat is adapted to the second linear slide rail, and the second lifting driving mechanism is in driving connection with the second mounting seat so as to enable the second mounting seat to slide on the second linear slide rail;
the angle deflection mechanism is connected between the frame and the saw seat;
a normally closed main saw motor thermal relay is connected in series between the main saw motor and the first contactor, and the main saw motor thermal relay is arranged on the main saw motor;
a normally closed auxiliary saw motor thermal relay is connected in series between the auxiliary saw motor and the second contactor, and the auxiliary saw motor thermal relay is arranged on the auxiliary saw motor;
the hand-held unit comprises a button plate and a hand-operated pulse generator, wherein the button plate and the hand-operated pulse generator are electrically connected to the CNC controller, and a starting button electrically connected to the CNC controller is arranged on the button plate;
the processing steps comprise:
step 1: placing the plate to be processed on a corresponding limiting position of the longitudinal backup plate or the transverse backup plate;
step 2: firstly scanning a two-dimensional code on a plate to be processed through a scanning gun, acquiring information of the plate to be processed and a positioning and processing program thereof from a database by the industrial personal computer, and then sending control signals to a CNC (computer numerical control) controller, wherein the CNC controller respectively controls a first driving mechanism and a second driving mechanism to drive a corresponding backup plate to move so as to position the plate to be processed for preparation of processing;
step 3: after the first driving mechanism and the second driving mechanism move to the designated positions, the industrial personal computer sends signals to the CNC controller, the CNC controller controls the sawing device to start working, and then the movable workbench is pushed to move so as to process the plate to be processed;
step 4: after the machining is finished, the CNC controller controls the sawing device to stop working, and meanwhile, the CNC controller respectively controls the first driving mechanism and the second driving mechanism to drive the corresponding backup plate to reset and move;
step 5: after the longitudinal backup plate and the transverse backup plate are reset, the plate material can be taken away;
in step 3, after the start button is pressed, the CNC controller controls the sawing device to start working.
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| CN117094543B (en) * | 2023-07-24 | 2024-10-01 | 无锡市华德尔自动化控制技术有限公司 | Grooving machine application method and system for remote database reading control |
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| US7178436B2 (en) * | 2003-11-07 | 2007-02-20 | United States Steel Corporation | Method of cutting carbon and alloy steel |
| CN102744739B (en) * | 2012-07-09 | 2015-01-28 | 上海仰达机械有限公司 | Program controlled paper-cutting method using bar code to read cutting information |
| KR101790253B1 (en) * | 2016-03-16 | 2017-10-27 | (주)아이리녹스 | System for logsaw cutting mechine |
| CN105856332A (en) * | 2016-03-24 | 2016-08-17 | 青岛金岭电器有限公司 | Control method and control system for numerically-controlled sliding table saw |
| CN208290061U (en) * | 2018-03-30 | 2018-12-28 | 成都弘林机械有限公司 | A kind of precision pulling bench saw |
| CN209257171U (en) * | 2018-07-30 | 2019-08-16 | 上海凯橙家具有限公司 | A kind of sizing saw machine |
| CN209408677U (en) * | 2018-11-16 | 2019-09-20 | 深圳市格调家私有限公司 | A kind of precision pulling bench saw |
| CN109828527B (en) * | 2019-02-04 | 2024-02-23 | 南兴装备股份有限公司 | Control system and processing method of gantry numerical control processing center |
| CN110027762A (en) * | 2019-05-15 | 2019-07-19 | 深圳市程捷模架科技有限公司 | Aluminum alloy pattern plate processing method and equipment based on two dimensional code transmitting Machining Instruction |
| CN111452149B (en) * | 2020-04-22 | 2024-05-10 | 南兴装备股份有限公司 | Control system and working method of computer board cutting saw |
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