CN112536871A - Code scanning type numerical control saw cutting system and machining method thereof - Google Patents
Code scanning type numerical control saw cutting system and machining method thereof Download PDFInfo
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- CN112536871A CN112536871A CN202011400693.5A CN202011400693A CN112536871A CN 112536871 A CN112536871 A CN 112536871A CN 202011400693 A CN202011400693 A CN 202011400693A CN 112536871 A CN112536871 A CN 112536871A
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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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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention relates to a code scanning type numerical control saw cutting system and a processing method thereof, wherein the system comprises an industrial personal computer, a PLC (programmable logic controller), a sliding table saw, a first exchanger, a second exchanger, a database, a scanning gun and a PC (personal computer); 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 connected with the transverse backing plate device; the database stores the information of the plate to be processed and the positioning and processing programs thereof which are associated with the two-dimensional code; the two backup plates are controlled to move after the code is scanned, so that the automatic positioning of the plate is realized, the intelligent degree is higher, the manual input is avoided, the positioning and processing precision is higher, the processing cost is reduced, and the processing efficiency is improved; the wiring is simple, the daily processing is convenient, the workload of workers is reduced, and the workers in a 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.
Description
Technical Field
The invention relates to the technical field of numerical control saw cutting systems, in particular to a code scanning type numerical control saw cutting 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 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-controlled, the control parameters of the positioning backup plate still need to be manually input, the intelligent degree is low, and the positioning precision is low. In addition, in the process of machining the existing sliding table saw, personnel in a company can hardly know the real-time condition of plate machining in real time.
Therefore, in the patent application of the invention, the applicant elaborately researches a code scanning type numerical control sawing system and a processing method thereof to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to provide a code scanning type numerical control saw cutting system and a processing method thereof, wherein the two backup plates can be controlled to move after code scanning so as to realize automatic positioning of a plate, the intelligent degree is higher, manual input is avoided, the positioning and processing precision is higher, the processing cost is reduced, and the processing efficiency is improved; moreover, the wiring is simple, the daily processing is convenient, the workload of workers is reduced, and meanwhile, the workers in a 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 purpose, the invention adopts the following technical scheme:
a code scanning type numerical control saw cutting 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-dimensional codes on a plate to be processed and at least one PC;
the industrial personal computer is in communication connection with a first switch through an Ethernet, the first switch is respectively connected with a PLC and a second switch through the Ethernet, the second switch is a local area network switch, and the second switch is connected with a PC through the Ethernet;
the sliding table saw comprises a CNC controller, a rack, a saw cutting device fixed on the rack, 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 the backup plate workbench and is abutted against the plate to be processed and a first driving mechanism for driving the longitudinal backup plate to move along the Y-axis; the transverse backup plate device comprises a transverse backup plate which can move on the movable workbench to be abutted against the 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 system comprises a database, a scanning gun, a database, a CNC controller and an industrial personal computer, wherein the database stores information of a plate to be processed and positioning and processing programs of the plate to be processed, which are related to a two-dimensional code, the scanning gun and the database are respectively connected with the industrial personal computer, and the industrial personal computer is used for acquiring the information of the plate to be processed and the positioning and processing programs of the plate to be processed from the database after the scanning gun scans the two-dimensional code and then sending a control signal to.
As a preferred scheme, the first driving mechanism comprises a first servo motor for driving and connecting the longitudinal backup plate and a first incremental position encoder which 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 lead screw device, and the longitudinal backup plate is arranged on the first transmission lead screw device;
the second driving mechanism comprises a second servo motor which is in driving connection with the transverse backup plate and a second incremental position encoder which 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.
Preferably, the sawing device comprises a main saw component for sawing the plate material to be processed and an auxiliary saw component for grooving the plate material to be processed;
the main saw part is including main saw bit and the main saw motor that is used for driving main saw bit pivoted, vice saw part is including vice saw bit and the vice saw motor that is used for driving vice saw bit pivoted, the main saw motor is through first contactor electricity connection CNC controller, vice saw motor is through second contactor electricity connection CNC controller.
As a preferable scheme, the main saw component and the auxiliary saw component are provided with an anti-collision module for preventing the main saw component and the auxiliary saw component from colliding during machining, and the anti-collision module comprises a distance sensor for detecting the distance between a main saw motor and an auxiliary saw motor and an alarm module for giving an alarm when receiving an alarm signal;
the CNC controller is respectively connected with the distance sensor and the alarm module in a control mode, and when the distance between the main saw motor and the auxiliary saw motor is smaller than an 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 also 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 for driving the saw seat to swing, wherein a first linear slide rail and a second linear slide rail which both extend along the Z-axis direction are arranged on the saw seat;
the main saw motor is arranged on a first mounting seat, the first mounting seat is adapted to a first linear sliding rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so that the first mounting seat can slide on the first linear sliding 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 that the second mounting seat can 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 preferred scheme, the industrial personal computer is provided with operation software capable of performing PLC program programming, drawing and function selection, and the operation software is connected with a database;
and aiming at the operation software, input hardware equipment for programming, drawing or selecting operation is arranged, wherein the input hardware equipment comprises a mouse and a keyboard, and the mouse and the keyboard are both connected with the operation software.
As a preferred scheme, still including handheld unit, handheld unit is including button board and hand pulse generator, button board and hand pulse generator all electricity connect in the CNC controller.
A processing method of a 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 limited position of the longitudinal backup plate or the transverse backup plate;
step 2: scanning a two-dimensional code on a plate to be processed by a scanning gun, acquiring information of the plate to be processed and positioning and processing programs thereof from a database by an industrial personal computer, and then sending a control signal to a CNC (computer numerical control) controller by the industrial personal computer, wherein the CNC controller respectively controls a first driving mechanism and a second driving mechanism to drive corresponding backup plates to move so as to position the plate to be processed for processing;
and step 3: when 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 to work, and then the movable table is pushed to move so as to process the plate material to be processed;
and 4, 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 plates to reset and move;
and 5: and after the longitudinal backup plate and the transverse backup plate are reset, the plate can be taken away.
As a preferred scheme, in step 3, handheld unit is including button board and hand impulse generator, the button board electricity is connected in the CNC controller, be provided with the start button of electricity connection in the CNC controller on the button board, after pressing the start button, the CNC controller control saw cuts the device and opens work.
Compared with the prior art, the invention has obvious advantages and beneficial effects, particularly: the automatic positioning device mainly has the advantages that through the matching of the scanning gun, the longitudinal backup plate device and the transverse backup plate device, the two backup plates can be controlled to move after the code is scanned, so that the automatic positioning of the plate can be realized, the intelligent degree is higher, the manual input is avoided, the positioning and processing precision is higher, the processing cost is reduced, and the processing efficiency is improved; particularly, through the design of the first switch and the Ethernet, the PLC, the industrial personal computer and the CNC controller of the sliding table saw are unified into a system, the wiring is simple, the daily processing is convenient, the workload of workers is reduced, in addition, the first switch is in communication connection with the local area network switch through the Ethernet, the local area network switch can be connected with a plurality of PCs under the local area network in a company, and the real-time condition of the plate processing is convenient for the personnel in the company to know; in addition, the processing method is simple to operate, the automation degree, the positioning and processing precision are high, and the workload of operators is reduced;
secondly, the 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, the main saw motor and the auxiliary saw motor are powered off in time when overcurrent and overheat through corresponding thermal relays, 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 operating software on the industrial personal computer, an operator can program and draw pictures on the operating software at any time so as to realize more processing modes.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of a portion of a sliding 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 angle partial structure of the sliding table saw according to the preferred embodiment of the present invention (showing a printer and a display screen);
FIG. 3 is an exploded view of the sliding table saw according to the preferred embodiment of the present invention;
FIG. 4 is a schematic control block diagram of the preferred embodiment of the present invention.
The reference numbers illustrate:
10. industrial control machine
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 and second contactors 336 and 336
337. Main saw motor thermal relay 338 and auxiliary saw motor thermal relay
34. Backup plate workbench
341. Fixed workbench 342 and widened workbench
35. Movable workbench 36 and longitudinal backing plate device
361. Longitudinal backup plate 362, first drive mechanism
3621. First servo motor 3622, first incremental position encoder
37. Transverse backing plate device
371. Transverse backup plate 372 and second driving mechanism
3721. Second servomotor 3722, second incremental position encoder
38. Distance sensor 39 and alarm module
41. First switch 42, second switch
43. Database with a plurality of databases
50. Hand-held unit 51, hand pulse generator
52. First lifting control button 53 and second lifting control button
54. 45 degree knob 55, scram button
56. Start button
61. Printer 62, PC
63. A gun is scanned.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
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 a bar code and connecting the industrial personal computer 10, a scanning gun 63 for scanning a two-dimensional code on a sheet material to be processed, and at least one PC 62;
the display screen 13 is a touch display screen. The industrial personal computer 10 is in communication connection with a first switch 41 through Ethernet, the first switch 41 is respectively connected with a PLC 20 and a second switch 42 through Ethernet, the second switch 42 is a local area network switch, and the second switch 42 is connected with a PC 62 through Ethernet;
the sliding table saw comprises a CNC controller 31, a machine frame 32, a sawing device 33 fixed on the machine 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 through the ethernet; the longitudinal backup plate device 36 comprises a longitudinal backup plate 361 which can move on the backup plate workbench 34 and is abutted against the plate to be processed, and a first driving mechanism 362 for driving the longitudinal backup 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 and is abutted against the 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 mode;
the database 43 stores information of the plate to be machined and positioning and machining programs thereof associated with the two-dimensional code, the scanning gun 63 and the database 43 are respectively connected with the industrial personal computer 10, and the industrial personal computer 10 is used for acquiring the information of the plate to be machined and the positioning and machining programs thereof from the database 43 after the scanning gun 63 scans the two-dimensional code, and then sending a control signal to the CNC controller 31. In this embodiment, the database 43 may also store each processing sheet, a log record of each processing, and the like.
The first driving mechanism 362 comprises a first servo motor 3621 for driving and connecting with a longitudinal backup plate 361 and a first incremental position encoder 3622 which is installed on the first servo motor 3621 and used for detecting the position of the longitudinal backup plate 361, the first servo motor 3621 is connected with a first transmission screw rod device, and the longitudinal backup plate 361 is installed on the first transmission screw rod device;
the second driving mechanism comprises a second servo motor 3721 which is in driving connection with the transverse backup plate 371 and a second incremental position encoder 3722 which is arranged on the second servo motor 3721 and is 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 arranged on the second transmission screw rod device;
in this embodiment, the longitudinal backup plate 361 is used to abut against one side of the slab to be processed, and the transverse backup plate 371 is used to abut against an opposite side of the slab 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 fixed base, which is fixed to the side surfaces of the fixed table 341 and the widened table 342.
First transmission screw device is including first lead screw and the first slide rail that is fixed in on the fixing base, first servo motor 3621 installs in the below of fixing base, the both ends of first lead screw are connected on the both sides of fixing base through first bearing, first servo motor 3621 is connected with first belt with the tip of first lead screw to rotate the back by first servo motor 3621 and drive first lead screw through first belt and rotate, vertical backup plate 361 wears to locate on first lead screw through first sliding seat, first sliding seat adaptation is on first slide rail, rotates the first sliding seat of drive and removes by first lead screw.
In this embodiment, the structure of the second driving screw device is the same as that of the first driving screw device, except that two ends of the second screw of the second driving screw device and the second slide rail are fixed on the movable table 35.
The CNC controller 31 is respectively connected with a first servo motor 3621, a first incremental position encoder 3622, a second servo motor 3721 and a second incremental position encoder 3722 in a control manner. The CNC controller 31 drives the corresponding servo motor through a corresponding servo driver, and preferably, the CNC controller 31 is connected with the corresponding servo driver through a MECHANTROLINK-II field bus, and the highest speed is 10 Mbit/s. The rotational angle of the corresponding servo motor can be detected by the corresponding incremental position encoder, thereby indirectly detecting the displacement of the longitudinal backup plate 361 and the lateral backup plate 371. In the structure in the embodiment, only the angular displacement of the corresponding servo motor is subjected to closed-loop control, and the closed-loop control of the finally output linear displacement is not realized, so that the structure is called as semi-closed-loop control; for the woodworking equipment, the processing precision can reach within 0.02mm, which exceeds 0.1mm of the industry standard.
In the present embodiment, the sawing device 33 includes a main saw component for sawing the plate material to be processed and a secondary saw component for grooving the plate material to be processed;
the main saw unit includes a main saw blade 331 and a main saw motor 332 for driving the main saw blade 331 to rotate, the sub saw unit includes a sub saw blade 333 and a sub saw motor 334 for driving the sub 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 sub 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 the anti-collision module comprises a distance sensor 38 for detecting the distance between a main saw motor 332 and an auxiliary saw motor 334 and an alarm module 39 for alarming when an alarm signal is received;
the CNC controller 31 is respectively connected with the distance sensor 38 and the alarm module 39 in a control mode, and when the distance between the main saw motor 332 and the auxiliary saw motor 334 is smaller than the alarm distance threshold value, 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 is possible to determine in advance whether there is a risk of the process to be carried out, and to issue an alarm in case of risk in order to avoid malfunctions or even safety accidents. On the other hand, the machining distance may be calculated by monitoring the coordinates of the longitudinal backup plate 361 and the lateral backup plate 371 in real time. The combination of pre-judgment and real-time monitoring is used, so that safe and stable processing is ensured to be better carried out.
The handheld unit 50 comprises a button board and a hand pulse generator 51, and the button board and the hand 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 elevation control button 52, the second elevation control button 53 and the 45-degree knob 54 may be disposed on the button board, and of course, the first elevation control button, the second elevation control button 53 and the 45-degree knob 54 may be disposed on another function board or integrated with another function board. An emergency stop 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 mounted 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 both extend along the Z-axis direction;
the main saw motor 332 is mounted on a first mounting seat, the first mounting seat is adapted to a first linear slide rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so that the first mounting seat slides 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 a second linear slide rail, and the second lifting driving mechanism is in driving connection with the second mounting seat so that the second mounting seat slides on the second linear slide rail; the angular yaw mechanism is connected between the frame 32 and the saw base.
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 the main saw motor thermal relay 337 and the auxiliary saw motor thermal relay 338, the main saw motor 332 and the auxiliary saw motor 334 can be effectively prevented from being protected when overcurrent or overheat occurs. When the main saw motor 332 or the auxiliary saw motor 334 is blocked by a saw, the main saw motor 332 or the auxiliary saw motor 334 does not rotate and stops in the middle of a plate to be processed, the main saw motor 332 or the auxiliary saw motor 334 does not rotate and is heated, 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 which is normally closed works to disconnect, so that the main saw motor 332 or the auxiliary saw motor 334 is in a disconnected state, and the use safety is improved.
The industrial personal computer 10 is provided with operation software which can be used for programming, drawing and selecting functions of the PLC 20, and the operation software is connected with the database 43; the operating software is provided with input hardware equipment for programming, drawing or selecting operation, the input hardware equipment comprises a mouse 11 and a keyboard 12, and the mouse 11 and the keyboard 12 are both connected with the operating software. Drawing, programming or further functions (e.g. updating new processing schemes and more sophisticated pictures) can be performed by means of the mouse 11 and the keyboard 12.
A processing method of a 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 limit 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 positioning and processing programs thereof from a database 43 by the industrial personal computer 10, then sending a control signal to the CNC controller 31 by the industrial personal computer 10, and respectively controlling a first driving mechanism 362 and a second driving mechanism to drive corresponding backup plates to move by the CNC controller 31 so as to position the plate to be processed for preparation;
and step 3: when the first driving mechanism 362 and the second driving mechanism move to the designated 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 to work, and then the movable table is pushed to move so as to process the plate material to be processed;
and 4, step 4: after the machining is finished, the CNC controller 31 controls the sawing device 33 to stop working, and meanwhile, 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;
and 5: and after the longitudinal backup plate 361 and the transverse backup plate 371 are reset, the plate can be taken away.
Preferably, in step 3, the handheld unit 50 comprises a button board and a hand pulse generator 51, the button board is electrically connected to the CNC controller 31, the button board is provided with a start button 56 electrically connected to the CNC controller 31, and after the start button 56 is pressed, the CNC controller 31 controls the sawing device 33 to start working.
The design key points of the invention are as follows: the automatic positioning device mainly has the advantages that through the matching of the scanning gun, the longitudinal backup plate device and the transverse backup plate device, the two backup plates can be controlled to move after the code is scanned, so that the automatic positioning of the plate can be realized, the intelligent degree is higher, the manual input is avoided, the positioning and processing precision is higher, the processing cost is reduced, and the processing efficiency is improved; particularly, through the design of the first switch and the Ethernet, the PLC, the industrial personal computer and the CNC controller of the sliding table saw are unified into a system, the wiring is simple, the daily processing is convenient, the workload of workers is reduced, in addition, the first switch is in communication connection with the local area network switch through the Ethernet, the local area network switch can be connected with a plurality of PCs under the local area network in a company, and the real-time condition of the plate processing is convenient for the personnel in the company to know; in addition, the processing method is simple to operate, the automation degree, the positioning and processing precision are high, and the workload of operators is reduced;
secondly, the 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, the main saw motor and the auxiliary saw motor are powered off in time when overcurrent and overheat through corresponding thermal relays, 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 operating software on the industrial personal computer, an operator can program and draw pictures on the operating software at any time so as to realize more processing modes.
The above description is only a preferred embodiment 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 embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a sweep yard type numerical control system of saw cutting which characterized in that: the device 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-dimensional codes on a plate to be processed and at least one PC;
the industrial personal computer is in communication connection with a first switch through an Ethernet, the first switch is respectively connected with a PLC and a second switch through the Ethernet, the second switch is a local area network switch, and the second switch is connected with a PC through the Ethernet;
the sliding table saw comprises a CNC controller, a rack, a saw cutting device fixed on the rack, 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 the backup plate workbench and is abutted against the plate to be processed and a first driving mechanism for driving the longitudinal backup plate to move along the Y-axis; the transverse backup plate device comprises a transverse backup plate which can move on the movable workbench to be abutted against the 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 system comprises a database, a scanning gun, a database, a CNC controller and an industrial personal computer, wherein the database stores information of a plate to be processed and positioning and processing programs of the plate to be processed, which are related to a two-dimensional code, the scanning gun and the database are respectively connected with the industrial personal computer, and the industrial personal computer is used for acquiring the information of the plate to be processed and the positioning and processing programs of the plate to be processed from the database after the scanning gun scans the two-dimensional code and then sending a control signal to.
2. The sweep code type numerical control saw cutting system of claim 1, characterized in that: the first driving mechanism comprises a first servo motor used for driving and connecting the longitudinal backup plate and a first incremental position encoder which 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 which is in driving connection with the transverse backup plate and a second incremental position encoder which 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.
3. The sweep code type numerical control saw cutting system of claim 1, characterized in that: the sawing device comprises a main saw component for sawing the plate to be processed and an auxiliary saw component for grooving the plate to be processed;
the main saw part is including main saw bit and the main saw motor that is used for driving main saw bit pivoted, vice saw part is including vice saw bit and the vice saw motor that is used for driving vice saw bit pivoted, the main saw motor is through first contactor electricity connection CNC controller, vice saw motor is through second contactor electricity connection CNC controller.
4. The sweep code type numerical control saw cutting system of claim 3, characterized in that: the anti-collision module is used for preventing the main saw component and the auxiliary saw component from colliding during machining, and comprises a distance sensor for detecting the distance between a main saw motor and an auxiliary saw motor and an alarm module for giving an alarm when an alarm signal is received;
the CNC controller is respectively connected with the distance sensor and the alarm module in a control mode, and when the distance between the main saw motor and the auxiliary saw motor is smaller than an alarm distance threshold value, the CNC controller outputs an alarm signal to the alarm module so that the alarm module gives an alarm.
5. The sweep code type numerical control saw cutting system of claim 3, characterized in that: 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 also 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 for driving the saw seat to swing, wherein a first linear slide rail and a second linear slide rail which both extend along the Z-axis direction are arranged on the saw seat;
the main saw motor is arranged on a first mounting seat, the first mounting seat is adapted to a first linear sliding rail, and the first lifting driving mechanism is in driving connection with the first mounting seat so that the first mounting seat can slide on the first linear sliding 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 that the second mounting seat can slide on the second linear slide rail;
the angle deflection mechanism is connected between the frame and the saw seat.
6. The sweep code type numerical control saw cutting system of claim 3, characterized in that: 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.
7. The sweep code type numerical control saw cutting system of claim 1, characterized in that: the industrial personal computer is provided with operation software capable of performing PLC program programming, drawing and function selection, and the operation software is connected with the database;
and aiming at the operation software, input hardware equipment for programming, drawing or selecting operation is arranged, wherein the input hardware equipment comprises a mouse and a keyboard, and the mouse and the keyboard are both connected with the operation software.
8. The sweep code type numerical control saw cutting system of claim 1, characterized in that: still including handheld unit, handheld unit is including button board and hand impulse generator, button board and hand impulse generator all electricity connect in the CNC controller.
9. A processing method of a code scanning type numerical control sawing system is characterized by comprising the following steps: the sweep code type numerical control sawing system based on claims 1 to 8, the processing steps including:
step 1: placing the plate to be processed on a corresponding limited position of the longitudinal backup plate or the transverse backup plate;
step 2: scanning a two-dimensional code on a plate to be processed by a scanning gun, acquiring information of the plate to be processed and positioning and processing programs thereof from a database by an industrial personal computer, and then sending a control signal to a CNC (computer numerical control) controller by the industrial personal computer, wherein the CNC controller respectively controls a first driving mechanism and a second driving mechanism to drive corresponding backup plates to move so as to position the plate to be processed for processing;
and step 3: when 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 to work, and then the movable table is pushed to move so as to process the plate material to be processed;
and 4, 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 plates to reset and move;
and 5: and after the longitudinal backup plate and the transverse backup plate are reset, the plate can be taken away.
10. The machining method of the code scanning type numerical control sawing system according to claim 9, characterized in that: in step 3, handheld unit is including button board and hand impulse generator, button board electric connection is in the CNC controller, be provided with the start button of electricity connection in the CNC controller on the button board, after pressing the start button, the CNC controller control saw cuts the device and opens work.
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