CN111452149A

CN111452149A - Control system and working method of computer board cutting saw

Info

Publication number: CN111452149A
Application number: CN202010320002.4A
Authority: CN
Inventors: 郭飞; 肖志群; 郭朝元; 曹梦莲; 秦振伟; 梁浩伟
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-07-28
Also published as: WO2021212960A1

Abstract

A control system and a working method of a computer plate cutting saw are disclosed, the computer plate cutting saw comprises a programmable controller (P L C), a data bus connected with the programmable controller, and a work clamping and feeding device control unit, a pressing device control unit and a cutting device control unit which are bidirectionally controlled and connected to the data bus in parallel, wherein the work clamping and feeding device control unit comprises a work clamping and feeding mechanism control unit and a plurality of clamping mechanism control units, the pressing device control unit comprises two pressing device lifting control units, the cutting device control unit comprises a cutting device feeding control unit, a cutting device lifting control unit, a main saw driving control unit, an auxiliary saw driving control unit and a plate width detection device control unit, and the computer plate cutting saw has the advantages of high safety, strong fault-tolerant capability, high efficiency, stability, high precision and simple control structure.

Description

Control system and working method of computer board cutting saw

Technical Field

The invention relates to a cutting processing device for artificial boards (including density boards, particle boards, multilayer boards and the like) and analogues thereof, in particular to a control system and a working method of a large-scale precise high-speed computer board cutting saw which is used for cutting boards and is provided with a high-grade numerical control system.

Background

The components for producing panel furniture are generally rectangular plates, and the assembly is formed by sawing large plates into small pieces. A computer board cutting saw is a cutting device for artificial boards and the like, and is mainly applied to the production process of board-type furniture.

The utility model which is 201720226821.6 and published as 2017, 11/10 discloses a high-speed computer plate-cutting saw, which comprises a machine table, a controller arranged on the machine table, a feeding device arranged on the machine table, a pressing device used for pressing plates to be cut, a saw vehicle used for cutting the plates and a discharging device arranged on one side of the saw vehicle, wherein the saw vehicle comprises a vehicle body bottom plate, a main saw device, an auxiliary saw device, a lifting side leaning device and a saw vehicle transverse moving driving mechanism arranged on the other side of the vehicle body bottom plate, the main saw device comprises a main saw blade seat, a main saw driving mechanism used for driving the main saw blade seat to rotate and a main saw lifting driving mechanism used for driving the main saw blade seat to lift, the auxiliary saw device comprises an auxiliary saw blade seat, an auxiliary saw driving mechanism used for driving the auxiliary saw blade seat to rotate and an auxiliary saw lifting driving mechanism used for driving the auxiliary saw blade seat to lift, the lifting type side leaning device is arranged at one end of the vehicle body bottom plate.

The lifting type side leaning device comprises a fixed seat and a lifting driving mechanism arranged on the fixed seat. The lifting driving mechanism comprises a lifting cylinder. The saw car transverse moving driving mechanism comprises a transverse moving motor and a speed reducer connected to the transverse moving motor. The auxiliary saw device also comprises an auxiliary saw adjusting mechanism used for adjusting the longitudinal position of the auxiliary saw tool apron, and the auxiliary saw adjusting mechanism comprises an adjusting motor. The pressing device comprises a pressing driving mechanism. The feeding device comprises a feeding propelling mechanism and a plurality of clamping mechanisms connected with the feeding propelling mechanism. The pressing device comprises a pressing driving mechanism.

The invention discloses a rear-feeding high-speed computer board cutting saw, which is disclosed in an invention patent with the patent number of 201110336925.X and the public announcement date of 2013, 12 and 18.

The machine table main body comprises a workbench, a pressing device and a cutting device, wherein the pressing device is used for pressing and positioning a plate on the workbench, the cutting device is used for cutting the plate on the workbench, and the pressing device and the cutting device are both arranged on the workbench.

The pressing device comprises a pressing and feeding moving seat, a movable seat, two first driving cylinder bodies, a second driving cylinder body and a third motor, wherein the two first driving cylinder bodies and the second driving cylinder bodies are arranged at two ends of the pressing and feeding moving seat; the material pressing and feeding moving seat is transversely arranged right above the workbench, and the moving seat can be transversely and movably arranged on the material pressing and feeding moving seat through a linear guide rail and moves up and down along with the material pressing and feeding moving seat; the two second driving cylinder bodies are respectively positioned at the front side and the rear side of the material pressing and feeding moving seat; the third motor drives the movable seat to transversely move back and forth along the linear guide rail through the transmission chain, and the two second driving cylinder bodies move synchronously along with the movable seat so that the pressing and feeding movable seat can firmly press and position the plate in a targeted manner, so that the cutting operation is more accurate.

The cutting device comprises a movable base, a main saw assembly and an auxiliary saw assembly, wherein the movable base can be transversely and movably arranged below the workbench from left to right; the main saw component and the auxiliary saw component can be movably arranged on the movable base up and down and can transversely move left and right along with the movable base.

The main saw assembly comprises a main motor, a main saw blade, a main motor base and a main driving cylinder body; the main motor drives the main saw blade to rotate through the first transmission belt, and the main driving cylinder drives the main motor base to move up and down relative to the movable base.

The auxiliary saw component comprises an auxiliary motor, an auxiliary saw blade, an auxiliary motor base and an auxiliary driving cylinder body; the auxiliary motor drives the auxiliary saw blade to rotate through a second transmission belt, and the auxiliary driving cylinder body drives the auxiliary motor base to move up and down relative to the movable base.

The feeding unit is positioned at the rear side of the machine table main body and comprises a feeding device and a loading device, and the feeding device is arranged between the machine table main body and the loading device; the feeding device comprises a feeding frame and a first pushing mechanism used for pushing the plate to the workbench from the feeding frame; the feeding device comprises a feeding frame, a lifting platform used for lifting the plate upwards and a second pushing mechanism used for pushing the plate from the feeding frame to the feeding frame.

The left side and the right side of the feeding frame are both provided with first guide rails extending forwards and backwards, the first propelling mechanism is arranged on the first guide rails and moves forwards and backwards along the first guide rails, and the bottom of the feeding frame is provided with a plurality of rows of roller assemblies; the first propelling mechanism comprises a first feeding moving seat, a first motor and a plurality of clamping mechanisms for clamping the rear end of the plate; the two ends of the first feeding moving seat are respectively abutted against the corresponding first guide rails, the first motor is fixed on the first feeding moving seat and is a servo motor, and the first motor drives the first feeding moving seat to move back and forth along the first guide rails through a first transmission shaft; the plurality of clamping mechanisms are arranged on the first feeding moving seat at intervals and move synchronously along with the first feeding moving seat.

The clamping mechanism comprises a support assembly and a clamping assembly; the support component comprises a fixed sheet, a positioning block and two clamping jaw seats which are arranged left and right; the fixing piece is fixedly connected with the first feeding moving seat and connected between the rear ends of the two clamping jaw seats; the positioning block is fixedly connected between the front ends of the two clamping jaw seats; the clamp assembly is positioned between the two clamping jaw seats and comprises an upper driving cylinder body, a lower driving cylinder body, an upper clamping jaw, a lower clamping jaw, a swing rod and a connecting rod; the upper driving cylinder body and the lower driving cylinder body are both air pressure type driving cylinder bodies, and are not limited, the rear end of the upper driving cylinder body is pivoted with the clamping jaw seat, the front end of the upper driving cylinder body extends forwards to form an upper piston rod, and the upper piston rod is pivoted with the upper end of the oscillating bar; the lower end of the swing rod is pivoted with the clamping jaw seat, and a limiting through groove is formed in the swing rod; the rear end of the lower driving cylinder body is pivoted with the clamping jaw seat, the front end of the lower driving cylinder body extends forwards to form a lower piston rod, the front end of the lower piston rod passes through the limiting through groove to extend forwards and is fixedly connected with the lower clamping jaw, and the lower piston rod drives the lower clamping jaw to movably extend forwards to form the positioning block; the rear end of the upper clamping jaw is pivoted with the clamping jaw seat, and the front end of the upper clamping jaw extends forwards out of the positioning block; the two ends of the connecting rod are respectively pivoted with the upper clamping jaw and the swing rod.

When the device works, firstly, the lower driving cylinder body acts and drives the lower clamping jaw to extend forwards out of the positioning block through the lower piston rod, so that the lower clamping jaw is abutted against the bottom of the rear end of the plate; then, the upper end of the swing rod is driven to rotate forwards by the action of the upper driving cylinder body through the upper piston rod, the swing rod rotates forwards and drives the upper clamping jaw to rotate downwards through the connecting rod, so that the front end of the upper clamping jaw is abutted against the top of the rear end of the plate, and therefore the rear end of the plate is firmly clamped by the upper clamping jaw and the lower clamping jaw; when the plate needs to be loosened, the upper driving cylinder body and the lower driving cylinder body are reset in sequence.

The left side and the right side of the feeding frame are both provided with second guide rails extending forwards and backwards, and the second propelling mechanisms are arranged on the second guide rails and move forwards and backwards along the second guide rails.

The lifting platform comprises a frame, a plurality of guide rollers and at least four screw rods, wherein the four screw rods are respectively arranged at four corners of the frame, the guide rollers are arranged in the frame in a left-right side-by-side rotatable mode, and the overlapped plates can be easily conveyed to the lifting platform through the rotation of the guide rollers.

The second pushing mechanism comprises a second feeding moving seat, a second motor and a plurality of pushing block assemblies; the two ends of the second feeding moving seat are respectively abutted against the corresponding second guide rails, the second motor is fixed on the second feeding moving seat and is a servo motor, and the second motor drives the second feeding moving seat to move back and forth along the second guide rails through a second transmission shaft; the plurality of pushing block assemblies are arranged on the second feeding moving seat at intervals and move synchronously along with the second feeding moving seat, a guard rod is arranged on the front side of the second feeding moving seat, the guard rod abuts against the upper surface of the plate when the pushing block assembly works, the pushing block assemblies abut against the rear end face of the plate, and the second feeding moving seat is driven by a second motor to move forwards, so that the plate is pushed forwards into the feeding frame.

The computer control system comprises a touch screen and a switch button, and the touch screen and the switch button are used for programming and controlling a machine so as to control the work of the pressing device, the cutting device, the feeding device and the feeding device, so that the pressing device, the cutting device, the feeding device and the feeding device are mutually matched to finish the cutting operation of the plate.

The invention is mainly used for the panel furniture manufacture and the panel cutting operation of the artificial fiber board in the wood product industry, and the main working steps are as follows:

firstly, utilize loading attachment to carry out automatic feeding: a plurality of plates are overlapped together and stacked on a lifting table of a feeding frame, and the stacking height of the plates is not more than mm; then, the computer control system controls the lifting platform to work, so that the lifting platform lifts the stacked plates by a plate thickness distance, and at the moment, the plate positioned at the topmost part of the lifting platform is raised above the plane of the feeding frame; and then, the computer control system controls the second propelling mechanism to work, so that the second motor drives the second cross beam to move forwards along the second track through the second transmission shaft, the push block assembly is abutted against the rear end face of the plate and moves forwards along with the second cross beam synchronously, so that the plate moves forwards into the feeding frame, and after the plate is completely fed into the feeding frame, the computer control system controls the second propelling mechanism to reset backwards.

Then, the feeding device is used for automatic feeding: the computer control system controls the first propelling mechanism to work; when the first propelling mechanism works, firstly, the plurality of clamping mechanisms work simultaneously, the lower driving cylinder body acts and drives the lower clamping jaw to extend forwards out of the positioning block through the lower piston rod, so that the lower clamping jaw is abutted against the bottom of the rear end of the plate; then, the upper end of the swing rod is driven to rotate forwards by the action of the upper driving cylinder body through the upper piston rod, the swing rod rotates forwards and drives the upper clamping jaw to rotate downwards through the connecting rod, so that the front end of the upper clamping jaw is abutted against the top of the rear end of the plate, and therefore the rear end of the plate is firmly clamped by the upper clamping jaw and the lower clamping jaw; then, the first motor drives the first cross beam to move forwards along the first track through the first transmission shaft, and the plurality of clamping mechanisms move forwards along with the first cross beam synchronously, so that the plate material moves forwards into a channel of the workbench according to the size required by the workpiece.

Then, the pressing device and the cutting device are matched to cut the plate positioned on the workbench: when the plate is fed into a channel of a workbench according to the size required by a workpiece, the first propelling mechanism stops working, then, a computer control system controls a material pressing device to work, so that a material pressing cross beam moves downwards under the action of a first driving cylinder body and presses the upper surface of the plate, the plate is pressed and positioned, if the plate needs to be pressed and positioned better, a third electrode can drive a movable seat to move to a proper position along a linear guide rail, a second driving cylinder body presses the plate downwards, and the plate is pressed and positioned; then, the computer control system controls the cutting device to work, the main motor drives the main saw blade to rotate, and the auxiliary motor drives the auxiliary saw blade to rotate in a matching manner, so that the plate is cut, a workpiece is obtained, and the workpiece is output to the discharging table; and then, resetting the cutting device and the pressing device, then enabling the first pushing mechanism to work again, enabling the plate to move forwards by the length of one workpiece, and repeating the actions until the plate is completely cut into a plurality of workpieces by the pressing device and the cutting device.

After the plates are completely cut into a plurality of workpieces, the first pushing mechanism is reset backwards, and the actions are repeated to continuously cut each plate on the lifting platform into the required workpieces.

The patent number of 201710224666.9, the publication date of invention is 2017, 7, 21, and discloses a longitudinal and transverse cutting computer board cutting saw device, which comprises a control unit, and a feeding unit, a longitudinal cutting unit, a transitional feeding unit, a lifting longitudinal and transverse bidirectional conveying platform, a transverse cutting unit and a residual material waste treatment unit which are respectively connected with the control unit;

the longitudinal sawing unit comprises a longitudinal saw main machine frame, a longitudinal saw sawing vehicle, a longitudinal saw pressure feeding moving seat, a longitudinal saw working table, a longitudinal saw plate front aligning device, a longitudinal saw feeding push rod feeding moving seat assembly and a first conveying platform; the longitudinal saw feeding push rod feeding moving seat assembly pushes the plate to a longitudinal saw plate front aligning device along a first conveying platform to perform front and back alignment; the feeding unit is connected to the feeding end of the first conveying platform;

the transition feeding unit comprises a material taking and feeding hooking mechanism for hooking the longitudinally cut plate out of the longitudinal sawing unit, a residual material blanking mechanism for feeding residual materials into the residual material waste treatment unit and a second conveying platform connected to the output side of the longitudinal sawing unit;

the lifting type longitudinal and transverse bidirectional conveying platform comprises transverse conveying units and longitudinal conveying units which are arranged in a staggered mode; the transverse conveying unit is arranged in a lifting manner relative to the longitudinal conveying unit; the transverse conveying unit is connected to the output side of the second conveying platform; the front side of the longitudinal conveying unit is connected with the transverse sawing unit; a plate grabbing mechanical arm mechanism used for pushing plates forwards is arranged on the rear side of the longitudinal conveying unit; a first plate side aligning device is arranged on the right side of the transverse conveying unit, and a second plate side aligning device is arranged on the left side of the transverse conveying unit;

the transverse sawing unit comprises a transverse saw main machine frame, a transverse saw sawing vehicle, a transverse saw pressure feeding moving seat, a transverse saw working table, a transverse saw plate front aligning device and a third conveying platform; the front end of the third conveying platform is connected with the position of the cross saw pressure feeding moving seat, and the rear end of the third conveying platform is provided with a cross saw plate front aligning device.

The above patent discloses mechanical structures of the respective devices of the computer cut-to-size saw, but does not disclose control units of the respective devices and a control system of the high-speed computer cut-to-size saw. Since there are several devices, several processing functions and several movements, it is a great creative effort for the skilled person how to move the most efficiently without interference and how to realize these movements by means of the control system. In addition, the same equipment and the same mechanical device can be different control systems, and how to realize the most efficient and reliable processing method can be realized through the control systems, so that the technical personnel in the field need to pay more creative labor than the mechanical structure, and the key factor for restricting the intelligent development of the traditional numerical control equipment is also the key factor.

The invention with the patent number CN201710224091.0 discloses an electrical control system of full-automatic cross-cutting computer board cutting saw equipment, which comprises a man-machine interaction control unit, a cross saw P L C, a longitudinal saw P L C and an auxiliary machine P L C, wherein the cross saw P L C is connected with a longitudinal saw P L C in a communication mode, the cross saw P L C is connected with the auxiliary machine P L C in a communication mode, the longitudinal saw P L C is connected with a longitudinal saw automatic feeding control unit and a longitudinal saw automatic cutting control unit in a control mode, the cross saw P L C is connected with a cross saw side aligning and forward aligning control unit and a cross saw automatic cutting control unit in a control mode, and the auxiliary machine P L C is connected with an automatic transition material taking and feeding control unit, an automatic waste material discharging and crushing material discharging control unit and a finished product automatic conveying control unit in a control mode.

Disclosure of Invention

Aiming at the defects in the prior art, the first technical problem to be solved by the invention is to provide a control system of a high-speed computer board cutting saw, which takes a bus technology as a core, has high safety, strong fault-tolerant capability, high efficiency, stability, high precision, simple control structure and modular structure.

The second technical problem to be solved by the invention is to provide a working method of the high-speed computer board cutting saw, which has reasonable and ordered motion logic, reliable and efficient motion and can be realized by a control system at low cost.

A control system of a computer panel saw comprises a programmable controller (P L C), a data bus connected with the programmable controller, a work clamping feeding device control unit, a pressing device control unit and a cutting device control unit, wherein the work clamping feeding device control unit, the pressing device control unit and the cutting device control unit are bidirectionally controlled and connected to the data bus in parallel;

the control unit of the clamping and feeding device comprises a clamping and feeding mechanism control unit and a plurality of clamp mechanism control units;

the control unit of the clamping material feeding mechanism comprises an I/O module, a clamping servo driver and a clamping servo motor, wherein the I/O module is connected with a data bus in a bidirectional control and parallel mode;

the clamping mechanism control unit comprises a clamping mechanism clamping control unit; the clamping control unit of the clamping mechanism comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and serial mode, and a clamping cylinder which is connected with the electromagnetic valve in a unidirectional control and serial mode; the I/O module controls the electromagnetic valve in a one-way mode, and the electromagnetic valve controls the clamping cylinder in a one-way mode;

the pressing device control unit comprises two pressing device lifting control units;

the material pressing device lifting control unit comprises an I/O module, an electromagnetic valve, an air cylinder and an inductive switch, wherein the I/O module is connected with a data bus in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in a one-way mode, and the electromagnetic valve controls the air cylinder in a one-way mode;

the cutting device control unit comprises a cutting device feeding control unit, a cutting device lifting control unit, a main saw driving control unit, an auxiliary saw driving control unit and a plate width detection device control unit;

the cutting device feeding control unit comprises a cutting device servo driver connected with the data bus in a bidirectional control parallel connection mode and a cutting device servo motor connected with the cutting device servo driver in a bidirectional control serial connection mode;

the cutting device lifting control unit comprises an I/O module, an electromagnetic valve, an air cylinder and two inductive switches, wherein the I/O module is connected with a data bus in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in a one-way mode, and the electromagnetic valve controls the air cylinder in a one-way mode;

the main saw driving control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a main saw motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the main saw motor;

the auxiliary saw driving control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and an auxiliary saw motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the auxiliary saw motor;

the control unit of the board width detection device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a photoelectric switch which is connected with the I/O module in a unidirectional control mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control mode, and an air nozzle which is connected with the electromagnetic valve in a unidirectional control and serial mode; the photoelectric switch unidirectionally controls the I/O module, the I/O module unidirectionally controls the electromagnetic valve, and the electromagnetic valve unidirectionally controls the air nozzle.

As the improvement of the first proposal, the device also comprises a control unit of the side aligning plate device;

the side aligning device control unit comprises two side aligning device lifting control units and a side aligning device movement control unit;

the lifting control unit of the side leveling device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two inductive switches which are arranged on the air cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in a one-way mode, and the electromagnetic valve controls the air cylinder in a one-way mode;

the side aligning plate device movement control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a contactor which is connected with the I/O module in a unidirectional control and series mode, and a side aligning plate feeding servo motor which is connected with the contactor in a unidirectional control and series mode; the I/O module controls the contactor in a single direction, and the contactor controls the side of the servo motor to be fed in a neat mode in a single direction.

As the improvement of the first proposal, the device also comprises a control unit of the side aligning plate device; the cutting device control unit also comprises an auxiliary saw left-right adjusting mechanism control unit and an auxiliary saw up-down adjusting mechanism control unit;

the auxiliary saw left-right adjusting mechanism control unit comprises an I/O module which is in bidirectional control and parallel connection with a data bus, an auxiliary saw stepping driver which is in unidirectional control and serial connection with the I/O module, and an auxiliary saw stepping motor which is in bidirectional control and serial connection with the auxiliary saw stepping driver; the I/O module controls the auxiliary saw stepping driver in a one-way mode;

the auxiliary saw up-down adjusting mechanism control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, an intermediate relay which is connected with the I/O module in a unidirectional control and series mode, and an auxiliary saw up-down motor which is connected with the intermediate relay in a unidirectional control and series mode; the I/O module unidirectionally controls the intermediate relay, and the intermediate relay unidirectionally controls the upper motor and the lower motor of the auxiliary saw.

As the improvement of the first proposal, the device also comprises a control unit of the side aligning plate device; the electronic ruler reading head is connected with the clamping servo driver in a bidirectional control series mode.

As a common improvement of the first to fourth aspects, the robot further comprises a side aligning device control unit; the automatic plate aligning device also comprises a material pushing device control unit and a front plate aligning device control unit;

the material pushing device control unit comprises two material pushing device lifting control units; the lifting control unit of the material pushing device comprises an I/O module which is in bidirectional control and parallel connection with a data bus, a relay which is in unidirectional control and serial connection with the I/O module, a material pushing lifting motor which is in unidirectional control and serial connection with the relay, a displacement sensor which is in unidirectional control and serial connection with the material pushing lifting motor, and an AI module which is in unidirectional control and serial connection with the displacement sensor, wherein the AI module is in unidirectional control and parallel connection with the data bus; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the material pushing lifting motor, the material pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module;

the front plate alignment device control unit comprises two front plate alignment device lifting control units; the front flush plate device lifting control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two inductive switches which are installed on the air cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

As the improvement of the fifth proposal, the device also comprises a control unit of the side aligning plate device; the control unit of the material pushing device also comprises a movement control unit of the material pushing device;

the pushing device movement control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a pushing servo driver which is connected with the I/O module in a bidirectional control and serial mode, and a pushing servo motor which is connected with the pushing servo driver in a bidirectional control and serial mode; the I/O module controls the pushing servo driver in one direction.

As a common improvement of the first to fourth schemes, the system further comprises a feeding device feeding control unit and a feeding device feeding control unit which are bidirectionally controlled and connected to the data bus in parallel; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the feeding motor; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the feeding motor.

As a common improvement of the first to fourth schemes, the system further comprises a feeding device feeding control unit and a feeding device feeding control unit which are bidirectionally controlled and connected to the data bus in parallel; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, a hydraulic oil pump motor which is connected with the contactor in a unidirectional control and series mode, a hydraulic electromagnetic valve which is connected with the hydraulic oil pump motor in a unidirectional control and series mode, an oil cylinder which is connected with the hydraulic electromagnetic valve in a unidirectional control and series mode, wherein a travel switch is arranged on the oil cylinder and is connected with the I/O module in a bidirectional; the I/O module is used for unidirectionally controlling the thermal relay, the thermal relay is used for unidirectionally controlling the contactor, the contactor is used for unidirectionally controlling the hydraulic oil pump motor, the hydraulic oil pump motor is used for unidirectionally controlling the hydraulic electromagnetic valve, and the hydraulic electromagnetic valve is used for unidirectionally controlling the oil cylinder.

The working method of the computer board cutting saw comprises the following steps:

the feeding moving seat of the feeding device is driven by a feeding moving seat driving mechanism to move to a set feeding position along a feeding moving seat guide mechanism, and the feeding moving seat drives a clamp mechanism on the feeding moving seat to move to the set feeding position; at the set material placing position, a movable clamp piece of the clamp mechanism opens relative to a fixed clamp piece; setting the material placing position to be the original point position of the clamp mechanism in the initial setting;

after the workpiece clamping and feeding device moves to a set placing position, feeding and placing plates before execution; namely, the plate is manually placed from the front, namely one side in the discharging direction; when a plate is placed in the front feeding mode, the pressing device rises, and the plate extends into a position between the movable clamping piece and the fixed clamping piece of the clamping mechanism through the space between the pressing device and the workbench and the back until the back side of the plate is flush with the front clamping surface of the clamping mechanism for positioning;

after the front feeding and plate placing device is used, the executive tool clamping and feeding device clamps the plate and judges whether the side plate aligning device is used?

If not, the side plate aligning device is not used, and the workpiece clamping and feeding device clamps the plate and then retreats to the set initial feeding position; after the workpiece clamping and feeding device clamps the corresponding plate, a feeding moving seat of the workpiece clamping and feeding device is driven by a feeding moving seat driving mechanism, and a clamping mechanism is driven to retreat to a set feeding starting position along a feeding moving seat guide mechanism; after the workpiece clamping and feeding device clamps the corresponding plate and retreats to the set initial feeding position, the workpiece clamping and feeding device advances to a saw cutting position; the feeding moving seat drives the clamping mechanism on the feeding moving seat to move forwards to the sawing position, the clamping overturning seat of the clamping mechanism is still kept to overturn to a lower position relative to the clamping installation seat at the sawing position, and the movable clamping piece and the fixed clamping piece of the clamping mechanism clamp the plate; the sawing position of the main workpiece feeding device is the position where the workpiece clamping and feeding device is located when the distance between the vertical clamping plane on one side of the clamping mechanism which clamps the plate and is close to the workbench and the zero plane (sawing plane) is the length of the plate clamped by the clamping mechanism-the length of the plate to be cut;

after the workpiece clamping and feeding device moves forward to the sawing position, the material pressing device performs material pressing;

if the plate is clamped by the clamping and feeding device, the plate is retreated to a set position, the plate is lifted after the plate is moved to the set position, and the set position is away from the rightmost side of the plate placed from the front by a certain distance; after the side aligning device runs to a set position, the operator clamping and feeding device moves to a sawing position; the workpiece clamping and feeding device moves forward to a sawing position, and the side aligning device aligns materials; after the side plate aligning device aligns materials, a material pressing device presses materials;

after the material pressing device presses materials, the cutting device is executed to saw and cut the plate;

is the cutting device complete sawing every time, is it the same plate complete sawing determined?

If not, namely the same plate is not sawed, the pressing device rises, the workpiece clamping and feeding device advances for a set cutting length to feed, and then returns to the pressing device to press;

if so, namely the same plate is sawed, the upper clamping jaw and the lower clamping jaw of the clamping device of the clamping and feeding device of the worker are opened, and the clamping and feeding device of the worker is retreated to a set position;

after the workpiece clamping and feeding device is moved back to a set position, whether all sawing is completed is judged?

If so, finishing the processing;

if not, returning to the workpiece clamping and feeding device to move to the set feeding position.

As an improvement of the fifth scheme, the method further comprises the following steps before the workpiece clamping and feeding device moves to the set feeding position:

starting up a system and initializing;

after the starting system is initialized, the original point is reset; the original point reset comprises that the cutting device and the worker pinch feeding device move to a set original point position;

inputting a processing pattern after the original point is reset;

is the backup board execution program started or not executed after the input of the processing pattern? If yes, starting a backup plate operation program; ready for use;

if not, the device is ready;

after the saw blade is ready, pressing a saw blade starting button and a fan starting button, and then pressing a continuous starting button;

after a continuous starting button is pressed, a work clamp running program is started, a material pressing running program is started, and a plate cutting running program is started;

starting a tool clamp running program, starting a material pressing running program, and starting machining after starting a plate cutting running program; when machining is started, the clamping and feeding device moves to a set feeding position.

The control system of the computer panel saw has the advantages that:

the control system of the computer panel saw adopts bus control, and reduces the production cost while considering quick response and the processing precision and stability of equipment.

The control system is divided into a plurality of large module units, namely a workpiece clamping and feeding device control unit, a side aligning plate device control unit, a material pressing device control unit, a cutting device control unit and the like, and each module unit is divided into a plurality of small control units which are controlled by specific parts.

The large module unit can be designed into an open type and modular structure, has a standardized interface, can be connected with a standardized interface and a remote I/O on a programmable controller (P L C), and has the advantages of universality of hardware and software, high compatibility and strong portability.

Each module has an independent function, modules of the same kind can be reused and interchanged in a product family, and different combinations of rows of related modules can process products of different specifications.

Products with different requirements can be created by selecting and matching the combination configuration of various functional modules, so that the customization requirements of customers are met, and the requirements of the customers on different configurations and the market requirements can be flexibly met; the reuse of the similarity can facilitate the purchasing, manufacturing and maintenance of the whole product.

Modularization, the functions are decomposed, and the coupling performance between the functions is reduced. Therefore, in order to replace a certain module to improve the quality or efficiency, the whole structure cannot be changed, and the workload can be obviously reduced only by changing the corresponding module, so that the application of modularization is the ultimate design of each industry. The modular structure thus has interoperability and portability between machine tools. By providing a standardized interface, communication and interaction mechanism, different function module functions run on a system platform by a standard application program interface, and equal interoperation capacity is obtained to coordinate work. The unified data format, interaction model and control mechanism are applied, each function module forming the system can come from different developers, and each function module can run on hardware platforms provided by different suppliers through consistent equipment interfaces, thereby being beneficial to shortening the development period, controlling the development cost and the like.

The advantage of dividing each module into a plurality of small control units is:

1. the structure is more reasonable: the control system of the machine adopts each module to be divided into a plurality of small control units, the layout of each small control unit is more reasonable and scientific, the functions of each part can be well exerted, and the service life of the machine is prolonged.

2. Designing an optimization control system: each part of the control system is designed into a small control unit, and then a plurality of small control units are combined into a module, so that the design of the control system can be simplified and optimized.

3. The maintenance is simpler: each part of the machine is a small control unit, the machine has problems, the diagnosis can be quickly carried out, only the corresponding small control unit needs to be replaced, and the operation is simple.

The control system with the structure has the advantages of fast response, high processing precision, stable work and reliable operation. The control system with the structure has better compatibility by matching the control elements, thereby leading the operation to be more stable and reliable.

The processing method of the computer panel saw has the beneficial effects that:

by adopting the processing method, the logic is clear, and when the device is used or not used, simultaneously or not simultaneously used and acts, the interference of each motion device in the processing process can be avoided, so that the motion is very reliable; and the control program design of the control system is greatly simplified, so that the design difficulty of the control system is greatly reduced. By adopting the processing method, the workpieces are processed in the most reasonable and efficient mode by complex actions of multiple processing modes, front feeding or rear feeding and the like of a plurality of processing devices, and the processing method has the advantages of reliable and efficient motion and low cost realization through a control system.

The control system and the processing method of the structure can start various programs only by inputting processing patterns, replacing processing programs and the like, can not interfere when multiple motions are simultaneously or non-simultaneously moved, are reliable in motion, stable in operation and high in processing precision, so that plates of different sizes can be automatically processed into workpieces of different sizes, the requirement for customizing different sizes of furniture is greatly met, and the working efficiency and the intelligent control degree of computer saw equipment are greatly improved.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a general schematic view of a control system of the computer panel saw according to embodiment 1;

FIG. 2 is a schematic view of a control unit of a work clamping feeding device of the control system of embodiment 1;

FIG. 3 is a schematic view of a side aligning device control unit, a pressing device control unit, and a cutting device control unit of the control system of embodiment 1;

FIG. 4 is a general schematic view of a control system of the computer panel saw according to embodiment 2;

FIG. 5 is a schematic diagram of a feeding device control unit, a pushing device control unit, and a front panel alignment device control unit of the control system of the computer panel saw according to embodiment 2;

FIG. 6 is a schematic diagram of a feeding device control unit, a pushing device control unit, and a front panel alignment device control unit of the control system of the computer panel saw according to embodiment 3;

FIG. 7 is a first part of a general flow chart of the working method of example 4;

fig. 8 is the second part of the general flow chart of the working method of example 4.

Detailed Description

Example 1

As shown in figure 1, the control system of the computer panel saw comprises a man-machine exchange control unit, a programmable controller (P L C) which is in bidirectional control connection with the man-machine exchange control unit through Ethernet, a data bus which is connected with the programmable controller, a work clamping and feeding device control unit, a side aligning plate device control unit, a pressing device control unit and a cutting device control unit which are in bidirectional control and parallel connection with the data bus.

The man-machine exchange control unit comprises an industrial personal computer, a mouse and a keyboard which are connected with the industrial personal computer in a one-way control mode, and a factory local area network which is connected with the industrial personal computer in a two-way control mode; the mouse and the keyboard control the industrial personal computer in a one-way mode. The industrial personal computer is in bidirectional control connection with the programmable controller through the Ethernet.

The programmable controller (P L C) is a program control system of a computer numerical control machine tool (computer numerical control). The programmable controller controls a tool clamping feeding device control unit, a side aligning plate device control unit, a pressing device control unit and a cutting device control unit.

As shown in fig. 2, the control unit of the work clamping and feeding device comprises a control unit of a work clamping and feeding mechanism and a plurality of clamping mechanism clamping control units.

The control unit of the clamping feed mechanism comprises an I/O module which is in bidirectional control and parallel connection with a data bus, a clamping servo driver which is in bidirectional control and serial connection with the I/O module, a clamping servo motor which is in bidirectional control and serial connection with the clamping servo driver, and an electronic ruler reading head which is in bidirectional control and serial connection with the clamping servo driver.

The clamping mechanism control unit includes a clamping mechanism clamping control unit. The clamping control unit of the clamping mechanism comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and serial mode, and a clamping cylinder which is connected with the electromagnetic valve in a unidirectional control and serial mode; the I/O module controls the electromagnetic valve in a one-way mode, and the electromagnetic valve controls the clamping cylinder in a one-way mode.

The work clamping feeding device is controlled by a control unit of a work clamping feeding mechanism, and has simple structure and reliable action.

Each clamping mechanism control unit is controlled by an independent clamping mechanism clamping control unit, so that the opening and closing movement of each clamping mechanism is independent, and the clamping mechanisms move more flexibly.

The programmable controller (P L C) sends signals to the electromagnetic valve through the I/O module to control the action of the clamping cylinder for clamping and grabbing the plate to realize clamping and placing the plate, and the upper clamp of the clamp mechanism can stay at any position without an inductive switch on the clamping cylinder, so that the plate with continuously changed width can be clamped and the plate can be ensured to be clamped.

As shown in fig. 3, the pressing device control unit includes two pressing device lifting control units.

The material pressing device lifting control unit comprises an I/O module connected with a data bus in a bidirectional control parallel mode, an electromagnetic valve connected with the I/O module in a unidirectional control series mode, an air cylinder connected with the electromagnetic valve in a unidirectional control series mode, and an induction switch installed on the air cylinder, wherein the induction switch is connected with the I/O module in a bidirectional control series mode. The I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

The pressing device control unit comprises a left pressing device lifting control unit and a right pressing device lifting control unit, so that the pressing beam is kept balanced in the lifting process, each pressing device lifting control unit is provided with an air cylinder for controlling the lifting of the pressing beam, a programmable controller (P L C) sends a signal to an electromagnetic valve for controlling the lifting air cylinder of the pressing beam, the lifting or the descending of the pressing beam is controlled, an induction opening detection signal for detecting the in-place action of the air cylinder is fed back to the programmable controller (P L C), and an induction switch is arranged on the air cylinder of the pressing device lifting control unit, so that the pressing device can be stopped at any position, the lifting height of the pressing beam at each time can be specified, the pressing beam does not need to be lifted to the top at each time, the working efficiency can be improved.

The side aligning device control unit comprises two side aligning device lifting control units and a side aligning device movement control unit.

The lifting control unit of the side leveling device comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two inductive switches which are arranged on the air cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

The side aligning plate device movement control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a contactor which is connected with the I/O module in a unidirectional control and series mode, and a side aligning plate feeding servo motor which is connected with the contactor in a unidirectional control and series mode; the I/O module controls the contactor in a single direction, and the contactor controls the side of the servo motor to be fed in a neat mode in a single direction.

Each set of the lifting control unit of the side aligning device is provided with an air cylinder for controlling the lifting of the side backup plate, a programmable controller (P L C) sends a signal to a backup plate lifting electromagnetic valve to control the lifting or descending of the side backup plate, the corresponding two inductive switches detect in-place signals and feed back the signals to the programmable controller (P L C), and the function of aligning the plates to the side positioning reference is realized through the lifting control unit of the side aligning device.

The cutting device control unit comprises a cutting device feeding control unit, a cutting device lifting control unit, a main saw driving control unit, an auxiliary saw left-right adjusting mechanism control unit, an auxiliary saw up-down adjusting mechanism control unit and a plate width detection device control unit.

The cutting device feeding control unit comprises a cutting device servo driver connected with the data bus in a bidirectional control parallel mode and a cutting device servo motor connected with the cutting device servo driver in a bidirectional control serial mode;

the cutting device lifting control unit comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two inductive switches which are installed on the air cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

The main saw driving control unit comprises an I/O module connected with the data bus in a bidirectional control and parallel mode, a thermorelay connected with the I/O module in a unidirectional control and series mode, a contactor connected with the thermorelay in a unidirectional control and series mode, and a main saw motor connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the main saw motor.

The auxiliary saw driving control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and an auxiliary saw motor which is connected with the contactor in a unidirectional control and series mode; the I/O module controls the thermal relay in a single direction, the thermal relay controls the contactor in a single direction, and the contactor controls the auxiliary saw motor in a single direction.

The auxiliary saw left-right adjusting mechanism control unit comprises an I/O module which is in bidirectional control and parallel connection with the data bus, an auxiliary saw stepping driver which is in unidirectional control and serial connection with the I/O module, and an auxiliary saw stepping motor which is in bidirectional control and serial connection with the auxiliary saw stepping driver; the I/O module controls the secondary saw stepping driver in a single direction.

The auxiliary saw up-down adjusting mechanism control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an intermediate relay which is connected with the I/O module in a unidirectional control and series mode, and an auxiliary saw up-down motor which is connected with the intermediate relay in a unidirectional control and series mode; the I/O module unidirectionally controls the intermediate relay, and the intermediate relay unidirectionally controls the upper motor and the lower motor of the auxiliary saw.

The control unit of the board width detection device comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a photoelectric switch which is connected with the I/O module in a unidirectional control mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control mode, and an air nozzle which is connected with the electromagnetic valve in a unidirectional control and serial mode; the photoelectric switch unidirectionally controls the I/O module, the I/O module unidirectionally controls the electromagnetic valve, and the electromagnetic valve unidirectionally controls the air nozzle.

The auxiliary saw left-right adjusting mechanism control unit sends signals to the auxiliary saw stepping driver through a programmable controller (P L C), and the auxiliary saw stepping driver controls an auxiliary saw stepping motor to adjust the left position and the right position of the auxiliary saw accurately.

The auxiliary saw up-down adjusting mechanism control unit sends signals to the intermediate relay through the programmable controller (P L C), the intermediate relay controls the auxiliary saw up-down motor to adjust the up-down position of the auxiliary saw, and the cost is low.

The photoelectric switch of the control unit of the plate width detection device is installed on the cutting device, the plate width is detected along with the movement of the cutting device, the cutting device stops, the work clamp sends the pulling plate of the material conveying device to move, the length of the plate can be detected, the plate can be placed at any position of the table top at will, the super-large plate does not need to be moved to one end of a machine to be aligned, the operation of operators is facilitated, and the production efficiency is improved.

The cutting device feeding control unit, the worker pinch feeding mechanism control unit and the side aligning plate device moving control unit adopt servo drive systems, a pulse control mode with accurate positioning is adopted between a programmable controller (P L C) and each servo driver, corresponding servo motors are controlled, and accurate positioning movement is achieved.

Example 2

As shown in fig. 4, different from embodiment 1, the computer board cutting saw further includes a feeding device control unit, a material pushing device control unit, and a front board aligning device control unit

As shown in fig. 5, the feeding device control unit includes a feeding device feeding control unit and a feeding device feeding control unit.

The feeding control unit of the feeding device comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module is used for unidirectionally controlling the thermal relay, the thermal relay is used for unidirectionally controlling the contactor, and the contactor is used for unidirectionally controlling the feeding motor.

The feeding control unit of the feeding device comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the feeding motor.

The feeding control unit of the feeding device and the feeding control unit of the feeding device are controlled by a thermal relay and a contactor, the contactor controls the on-off of the motor, the thermal relay is used for protecting the motor from overloading, and the motor is safer and more reliable to use. The I/O module is an input/output module.

The material pushing device control unit comprises two material pushing device lifting control units; the lifting control unit of the material pushing device comprises an I/O module which is in bidirectional control and parallel connection with a data bus, a relay which is in unidirectional control and serial connection with the I/O module, a material pushing lifting motor which is in unidirectional control and serial connection with the relay, a displacement sensor which is in unidirectional control and serial connection with the material pushing lifting motor, and an AI module which is in unidirectional control and serial connection with the displacement sensor, wherein the AI module is in unidirectional control and parallel connection with the data bus; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the material pushing lifting motor, the material pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module.

The material pushing device lifting control unit is characterized in that a programmable controller (P L C) controls a material pushing lifting motor to act through an I/O module and a relay, a quantitative push plate device of the material pushing device is driven to lift by a certain height, meanwhile, a displacement sensor is adopted to accurately detect the thickness of a detected plate, an analog quantity signal is input to the programmable controller (P L C) through an AI module, and the material loading quantity of the material loading device is ensured to meet the system setting.

The front plate alignment device control unit comprises two front plate alignment device lifting control units; the front flush plate device lifting control unit comprises an I/O module connected with a data bus in a bidirectional control parallel mode, an electromagnetic valve connected with the I/O module in a unidirectional control series mode, an air cylinder connected with the electromagnetic valve in a unidirectional control series mode, and two induction switches installed on the air cylinder, wherein the two induction switches are connected with the I/O module in a bidirectional control mode after being connected in parallel. The I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

The front alignment control unit sends signals to the electromagnetic valve through the I/O module by a programmable controller (P L C) to control the cylinder of the lifting control unit of the front alignment device to advance or retreat, and after the cylinder advances or retreats in place, corresponding sensing switches feed back detection signals to the programmable controller (P L C) to realize the function of front alignment of the plates and the function of avoidance when the plates need to pass through the front alignment device.

Example 3

As shown in fig. 6, the feeding device control unit includes a feeding device feeding control unit and a feeding device feeding control unit, which is different from embodiment 2.

The feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, a hydraulic oil pump motor which is connected with the contactor in a unidirectional control and series mode, a hydraulic electromagnetic valve which is connected with the hydraulic oil pump motor in a unidirectional control and series mode, an oil cylinder which is connected with the hydraulic electromagnetic valve in a unidirectional control and series mode, wherein a travel switch is arranged on the oil cylinder and is connected with the I/O module in a; the I/O module is used for unidirectionally controlling the thermal relay, the thermal relay is used for unidirectionally controlling the contactor, the contactor is used for unidirectionally controlling the hydraulic oil pump motor, the hydraulic oil pump motor is used for unidirectionally controlling the hydraulic electromagnetic valve, and the hydraulic electromagnetic valve is used for unidirectionally controlling the oil cylinder.

The pushing device control unit is different from the embodiment 3, and further comprises a pushing device movement control unit.

The pushing device movement control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, a pushing servo driver which is connected with the I/O module in a bidirectional control and serial mode, and a pushing servo motor which is connected with the pushing servo driver in a bidirectional control and serial mode; the I/O module controls the pushing servo driver in one direction.

The control unit of the material pushing device is provided with an independent material pushing device movement control unit, so that the material pushing device can independently move back and forth relative to the material clamping and conveying device, and the material pushing device can also push materials in the feeding process of the material clamping and conveying device, and the working efficiency of the equipment is improved.

The side aligning device control unit further includes a side aligning device aligning control unit, unlike embodiment 3.

The side plate aligning device plate aligning control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and an induction switch which is arranged on the air cylinder and connected with the I/O module in a bidirectional control and series mode; the I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

The air cylinder of the side aligning device aligning control unit is horizontally arranged on the side aligning plate, an induction switch is arranged on the air cylinder, when the side aligning device moves to an approximate position under the driving of a side aligning plate feeding servo motor, then an I/O module of the side aligning device aligning control unit controls an electromagnetic valve, and the air cylinder connected with the electromagnetic valve is controlled to advance, so that the side aligning plate presses the side surface of the plate, and the aim of aligning the plate is achieved. Lean on the neat board of cylinder action like this, the dynamics of compressing tightly accessible atmospheric pressure size is adjusted, is favorable to flushing of plate promptly, can have the effect of a buffering again flushing the in-process, and protection mechanical structure and the neat board of side feed servo motor overload.

Example 4

As shown in fig. 7, the working method of the computer panel saw comprises the following steps:

and (5) initializing the boot system.

After the starting system is initialized, the original point is reset. The original point reset comprises that the cutting device and the worker pinch feeding device move to the set original point position.

Manually editing the processing pattern or automatically importing the processing pattern, selecting the processing pattern, clicking download data, downloading the processing pattern to P L C, and completing inputting the processing pattern;

is the backup board execution program started or not executed after the input of the processing pattern? If yes, starting a backup plate operation program; ready for use; if not, ready.

After the saw blade is ready, the saw blade starting button is pressed, the fan starting button is pressed, and then the continuous starting button is pressed.

After the continuous starting button is pressed, a work clamp running program is started, a material pressing running program is started, and a plate cutting running program is started.

As shown in fig. 8, when the clamping and feeding device moves to the set and feeding position, the feeding moving seat including the clamping and feeding device is driven by the feeding moving seat driving mechanism to move to the set and feeding position along the feeding moving seat guiding mechanism, and the feeding moving seat drives the clamp mechanism thereon to move to the set and feeding position; at the set material placing position, a movable clamp piece of the clamp mechanism opens relative to a fixed clamp piece; setting the material placing position to be the original point position of the clamp mechanism in the initial setting;

If so, finishing the processing;

If so, namely the plate is sawed, the movable clamp part and the fixed clamp part of the clamp mechanism of the clamping and feeding device of the worker are opened, and after the clamping and feeding device of the worker is retreated to a set position, the worker judges whether all the sawing is finished?

Is all the sawing completed?

If so, finishing the processing;

if not, returning to the workpiece clamping and feeding device to move to a set feeding position.

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 embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. A control system of a computer panel saw comprises a programmable controller (P L C), a data bus connected with the programmable controller, a work clamping feeding device control unit, a pressing device control unit and a cutting device control unit, wherein the work clamping feeding device control unit, the pressing device control unit and the cutting device control unit are bidirectionally controlled and connected to the data bus in parallel, and the control system is characterized in that:

2. A control system for a computer panel saw as defined in claim 1, wherein: the side aligning device control unit is also included;

3. A control system for a computer panel saw as defined in claim 1, wherein: the cutting device control unit also comprises an auxiliary saw left-right adjusting mechanism control unit and an auxiliary saw up-down adjusting mechanism control unit;

4. A control system for a computer panel saw as defined in claim 1, wherein: the electronic ruler reading head is connected with the clamping servo driver in a bidirectional control series mode.

5. A control system for a computer panel saw according to any one of claims 1 to 4, wherein: the automatic plate aligning device also comprises a material pushing device control unit and a front plate aligning device control unit;

the material pushing device control unit comprises two material pushing device lifting control units; the lifting control unit of the material pushing device comprises an I/O module which is in bidirectional control and parallel connection with a data bus, a relay which is in unidirectional control and serial connection with the I/O module, a material pushing lifting motor which is in unidirectional control and serial connection with the relay, a displacement sensor which is in unidirectional control and serial connection with the material pushing lifting motor, and an AI module which is in unidirectional control and serial connection with the displacement sensor, wherein the AI module is in unidirectional control and parallel connection with the data bus; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the material pushing lifting motor, the material pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module; the front plate alignment device control unit comprises two front plate alignment device lifting control units; the front flush plate device lifting control unit comprises an I/O module which is connected with the data bus in a bidirectional control and parallel mode, an electromagnetic valve which is connected with the I/O module in a unidirectional control and series mode, an air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two inductive switches which are installed on the air cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control and parallel mode; the I/O module controls the electromagnetic valve in one way, and the electromagnetic valve controls the cylinder in one way.

6. The control system of a computer panel saw as defined in claim 5, wherein: the control unit of the material pushing device also comprises a movement control unit of the material pushing device;

7. A control system for a computer panel saw according to any one of claims 1 to 4, wherein: the bidirectional control device also comprises a feeding device feeding control unit and a feeding device feeding control unit which are connected to the data bus in parallel; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the feeding motor; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the I/O module unidirectionally controls the thermal relay, the thermal relay unidirectionally controls the contactor, and the contactor unidirectionally controls the feeding motor.

8. A control system for a computer panel saw according to any one of claims 1 to 4, wherein: the bidirectional control device also comprises a feeding device feeding control unit and a feeding device feeding control unit which are connected to the data bus in parallel; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, and a feeding motor which is connected with the contactor in a unidirectional control and series mode; the feeding control unit of the feeding device comprises an I/O module which is connected with a data bus in a bidirectional control and parallel mode, a thermal relay which is connected with the I/O module in a unidirectional control and series mode, a contactor which is connected with the thermal relay in a unidirectional control and series mode, a hydraulic oil pump motor which is connected with the contactor in a unidirectional control and series mode, a hydraulic electromagnetic valve which is connected with the hydraulic oil pump motor in a unidirectional control and series mode, an oil cylinder which is connected with the hydraulic electromagnetic valve in a unidirectional control and series mode, wherein a travel switch is arranged on the oil cylinder and is connected with the I/O module in a bidirectional; the I/O module is used for unidirectionally controlling the thermal relay, the thermal relay is used for unidirectionally controlling the contactor, the contactor is used for unidirectionally controlling the hydraulic oil pump motor, the hydraulic oil pump motor is used for unidirectionally controlling the hydraulic electromagnetic valve, and the hydraulic electromagnetic valve is used for unidirectionally controlling the oil cylinder.

9. A method of operating a computer panel saw including a control system according to any one of claims 1 to 4, the method comprising the steps of:

after the front feeding and plate placing device is used, the executive tool clamping and feeding device clamps the plate and judges whether the side plate aligning device is used? If not, the side plate aligning device is not used, and the workpiece clamping and feeding device clamps the plate and then retreats to the set initial feeding position; after the workpiece clamping and feeding device clamps the corresponding plate, a feeding moving seat of the workpiece clamping and feeding device is driven by a feeding moving seat driving mechanism, and a clamping mechanism is driven to retreat to a set feeding starting position along a feeding moving seat guide mechanism; after the workpiece clamping and feeding device clamps the corresponding plate and retreats to the set initial feeding position, the workpiece clamping and feeding device advances to a saw cutting position; the feeding moving seat drives the clamping mechanism on the feeding moving seat to move forwards to the sawing position, the clamping overturning seat of the clamping mechanism is still kept to overturn to a lower position relative to the clamping installation seat at the sawing position, and the movable clamping piece and the fixed clamping piece of the clamping mechanism clamp the plate; the sawing position of the main workpiece feeding device is the position where the workpiece clamping and feeding device is located when the distance between the vertical clamping plane on one side of the clamping mechanism which clamps the plate and is close to the workbench and the zero plane (sawing plane) is the length of the plate clamped by the clamping mechanism-the length of the plate to be cut;

If so, finishing the processing;

10. The method as claimed in claim 9, wherein the step of moving the workpiece clamping and feeding device to the predetermined feeding position further comprises:

starting up a system and initializing;

inputting a processing pattern after the original point is reset;

is the backup board execution program started or not executed after the input of the processing pattern? If yes, starting a backup plate operation program; ready for use; if not, the device is ready;