CN111452149B

CN111452149B - Control system and working method of computer board cutting saw

Info

Publication number: CN111452149B
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: 2024-05-10
Anticipated expiration: 2040-04-22
Also published as: WO2021212960A1; CN111452149A

Abstract

A control system and working method of a computer board cutting saw, the computer board cutting saw includes the programmable controller (PLC), the data bus connected with programmable controller, the two-way control connects to work clamp feeding device control unit, pressing device control unit, cutting device control unit on the data bus in parallel; the control unit of the work clamp feeding device comprises a work clamp feeding mechanism control unit and a plurality of clamp 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 board width detection device control unit; the intelligent control system has the advantages of high safety, strong fault tolerance, 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 the like, in particular to a control system and a working method for a large-scale precise high-speed computer board cutting saw which is used for cutting boards and has a high-grade numerical control system.

Background

The assembly for producing the panel furniture is generally rectangular plate materials, and the assembly is formed by cutting large plate materials into small materials through a saw. The computerized board cutting saw is one kind of artificial board and its similar cutting equipment and is mainly used in the production process of board furniture.

The utility model with the patent number 201720226821.6 and the public announcement date 2017 of 11 month 10 discloses a high-speed computer board 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 for pressing a board to be sawed, a saw car for sawing the board and a discharging device arranged on one side of the saw car, wherein the saw car comprises a car body bottom plate, a main saw device arranged on one side of the car body bottom plate, a subsidiary saw device, a lifting side leaning device and a saw car transverse movement driving mechanism arranged on the other side of the car body bottom plate, the main saw device comprises a main saw blade seat, a main saw lifting driving mechanism for driving the main saw blade seat to rotate and a main saw lifting driving mechanism for driving the main saw blade seat to lift, the subsidiary saw device comprises a subsidiary saw blade seat, a subsidiary saw driving mechanism for driving the subsidiary saw blade seat to rotate and a subsidiary saw lifting driving mechanism for driving the subsidiary saw blade seat to lift, and the lifting side leaning device is arranged on one end of the car 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 sideslip actuating mechanism includes sideslip motor, the reduction gear who is connected in sideslip motor. The auxiliary saw device further comprises an auxiliary saw adjusting mechanism for adjusting the longitudinal position of the auxiliary saw blade seat, and the auxiliary saw adjusting mechanism comprises an adjusting motor. The material pressing device comprises a material pressing driving mechanism. The feeding device comprises a feeding propelling mechanism and a plurality of clamping mechanisms connected with the feeding propelling mechanism. The material pressing device comprises a material pressing driving mechanism.

In the invention patent with the patent number of 20110336925. X and the publication date of 2013, 12 and 18, a rear feeding high-speed computer board cutting saw is disclosed, and comprises a machine main body, a feeding unit and a computer control system.

The machine main body comprises a workbench, a pressing device for pressing and positioning the plate on the workbench and a cutting device for cutting the plate on the workbench, wherein 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, the second driving cylinder bodies and the third motor are arranged at two ends of the pressing and feeding moving seat; the pressing and feeding movable seat is transversely arranged right above the workbench, and the movable seat can be transversely movably arranged on the pressing and feeding movable seat through a linear guide rail and can move up and down along with the pressing and feeding movable seat; the second driving cylinders are arranged on the movable seat and move transversely along with the movable seat, the second driving cylinders are used for enhancing the compacting and positioning effects of the middle part of the pressing and feeding movable seat, the number of the second driving cylinders is two, and the two second driving cylinders are respectively positioned on the front side and the rear side of the pressing and feeding movable 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 synchronously move along with the movable seat to enable the pressing and feeding movable seat to consolidate, 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 a workbench; the main saw component and the auxiliary saw component can be arranged on the movable base in an up-and-down movable mode and move transversely along with the movable base.

The main saw assembly comprises a main motor, a main saw blade, a main motor seat 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 body drives the main motor seat to move up and down relative to the movable base.

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

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

The left side and the right side of the feeding frame are respectively provided with a first guide rail extending forwards and backwards, the first propulsion mechanism is arranged on the first guide rail and moves forwards and backwards along the first guide rail, 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 ends of the plates; the two ends of the first feeding moving seat are respectively abutted against 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 clamp mechanisms are arranged on the first feeding moving seat at intervals and synchronously move along with the first feeding moving seat.

The clamping mechanism comprises a support assembly and a clamping assembly; the support assembly comprises a fixing piece, a positioning block and two clamping jaw seats which are arranged left and right; the fixed sheet is fixedly connected with the first feeding moving seat and is 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 pneumatic driving cylinder bodies, 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 swing rod; 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 penetrates 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 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; two ends of the connecting rod are respectively pivoted with the upper clamping jaw and the swing rod.

When the plate clamping device works, firstly, the lower driving cylinder body acts and drives the lower clamping jaw to extend out of the positioning block forwards through the lower piston rod, so that the lower clamping jaw is propped against the bottom of the rear end of the plate; then, the upper driving cylinder body acts on the upper driving cylinder body and drives the upper end of the swing rod to rotate forwards 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 abuts against the top of the rear end of the plate, and the rear end of the plate is clamped firmly by the upper clamping jaw and the lower clamping jaw; when the plate is required to be loosened, the upper driving cylinder body and the lower driving cylinder body are required to be reset in sequence.

The left side and the right side of the feeding frame are respectively provided with a second guide rail extending back and forth, and the second propelling mechanism is arranged on the second guide rails and moves back and forth 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 side-by-side rotatable manner, and the plates which are overlapped together can be easily conveyed onto the lifting platform by the rotation of the guide rollers.

The second propelling 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 propped against the corresponding second guide rail, 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 rail through a second transmission shaft; the plurality of pushing block components are arranged on the second feeding moving seat at intervals and synchronously move along with the second feeding moving seat, a protection rod is arranged on the front side of the second feeding moving seat, and when the feeding moving seat works, the protection rod is propped against the upper surface of a plate, the pushing block components are propped against the rear end surface of the plate, and the second feeding moving seat is driven by the second motor to move forwards, so that the plate is pushed onto the feeding frame forwards.

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

The invention is mainly used for cutting artificial fiber boards in the plate furniture manufacturing and woodworking industries, and comprises the following main working steps:

Firstly, automatic feeding is performed by using a feeding device: stacking a plurality of plates together on a lifting table of a feeding frame, wherein 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 piled plates together by a plate thickness distance, and at the moment, the plate positioned at the top of the lifting platform protrudes above the plane of the feeding frame; 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 propped against the rear end face of the plate material and synchronously moves forwards along with the second cross beam, the plate material is enabled to move forwards into the feeding frame, and after the plate material is completely fed into the feeding frame, the computer control system controls the second propelling mechanism to reset backwards.

Then, automatic feeding is performed by using a feeding device: the computer control system controls the first propulsion mechanism to work; when the first propelling mechanism works, firstly, a plurality of clamping mechanisms work simultaneously, the lower driving cylinder body acts on and drives the lower clamping jaw to extend out of the positioning block forwards through the lower piston rod, so that the lower clamping jaw is propped against the bottom of the rear end of the plate; then, the upper driving cylinder body acts on the upper driving cylinder body and drives the upper end of the swing rod to rotate forwards 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 abuts against the top of the rear end of the plate, and the rear end of the plate is clamped firmly 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 synchronously move forwards along with the first cross beam, so that the plate material moves forwards into a channel of the workbench according to the required size of the workpiece.

Then, the pressing device and the cutting device are matched for cutting the plate positioned on the workbench: when the plate is fed into a channel of a workbench according to the required size of a workpiece, the first pushing mechanism stops working, then a computer control system controls a pressing device to work, so that a pressing beam moves downwards to be pressed on the upper surface of the plate under the action of a first driving cylinder body, the plate is pressed and positioned, if the plate is required 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, and a second driving cylinder body is pressed down to the plate, and the plate is pressed and positioned; then, the cutting device is controlled by the computer control system to work, the main motor drives the main saw blade to rotate, and the auxiliary motor drives the auxiliary saw blade to rotate, so that the plate is cut, a workpiece is obtained, and the workpiece is output to the discharging table; then resetting the cutting device and the pressing device, and then enabling the first pushing mechanism to work again, so that the plate moves forward by one workpiece length, and then repeating the actions, and cutting the plate by using the pressing device and the cutting device until the plate is completely cut into a plurality of workpieces.

After all the plates are 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 table into the required workpieces.

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

The longitudinal sawing unit comprises a longitudinal sawing host machine frame, a longitudinal sawing vehicle, a longitudinal sawing pressure feeding moving seat, a longitudinal sawing workbench, a longitudinal sawing plate front aligning device, a longitudinal sawing 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 alignment device along the first conveying platform for front-back alignment; the feeding unit is connected to the feeding end of the first conveying platform;

the transition feeding unit comprises a feeding hooking mechanism for hooking the longitudinally cut plate from the longitudinal sawing unit, a residual material blanking mechanism for feeding residual materials into the residual material and waste material 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; the rear side of the longitudinal conveying unit is provided with a plate grabbing manipulator mechanism for pushing the plates forwards; the right side of the transverse conveying unit is provided with a first plate side aligning device, and the left side of the transverse conveying unit is provided with a second plate side aligning device;

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

The above patent discloses the mechanical structure of each device of the computer board cutting saw, but does not disclose a control unit of each device and a control system of the high-speed computer board cutting saw. Since it involves multiple devices, multiple processing functions, and also multiple movements, it is a great inventive effort for the person skilled in the art how to make the movements most efficient without intervention, and how to implement them by means of a control system. In addition, the same equipment and the same mechanical device can be different control systems, so that how to realize the most efficient and reliable processing method can be realized through the control systems, and the equipment and the mechanical device are more creative labor required for the person skilled in the art than mechanical structures, and are key factors for restricting the intelligent development of the traditional numerical control equipment.

The invention patent number CN201710224091.0 discloses an electrical control system of full-automatic longitudinal and transverse cutting computer board saw equipment, which comprises a man-machine interaction control unit, and a transverse saw PLC, a longitudinal saw PLC and an auxiliary machine PLC which are respectively connected with the man-machine interaction control unit in a communication way; the horizontal saw PLC is connected with the longitudinal saw PLC, and the horizontal saw PLC is connected with the auxiliary machine PLC; the longitudinal saw PLC is respectively connected with a longitudinal saw automatic feeding control unit and a longitudinal saw automatic cutting control unit in a control manner; the horizontal saw PLC is respectively connected with a horizontal saw side aligning and forward aligning plate control unit and a horizontal saw automatic feeding control unit in a control manner; the auxiliary machine PLC is respectively in control connection with an automatic transition feeding control unit, an automatic waste discharging and crushing control unit and a finished product automatic conveying control unit. The patent does not disclose a specific system composition, but only a large control unit.

Disclosure of Invention

Aiming at the defects of the prior art, the first technical problem to be solved by the invention is to provide a control system of the high-speed computer panel saw which takes bus technology as a core, has high safety, strong fault tolerance, high efficiency, stability and high precision, and has a simple control structure and a modularized 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 orderly 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 (PLC), a data bus connected with the PLC, a work clamp feeding device control unit, a pressing device control unit and a cutting device control unit, wherein the work clamp feeding device control unit, the pressing device control unit and the cutting device control unit are connected to the data bus in parallel in a bidirectional control mode;

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

the control unit of the work clamp feeding mechanism comprises an I/O module connected in parallel with the bidirectional control of the data bus, a work clamp servo driver connected in series with the bidirectional control of the I/O module, and a work clamp servo motor connected in series with the bidirectional control of the work clamp servo driver;

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 connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, and a clamping cylinder connected in series with the unidirectional control of the electromagnetic valve; the I/O module unidirectionally controls an electromagnetic valve, and the electromagnetic valve unidirectionally controls a clamping cylinder;

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

The lifting control unit of the pressing device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and an inductive switch arranged on the cylinder, wherein the inductive switch is connected in series with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder;

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 board width detection device control unit;

The cutting device feeding control unit comprises a cutting device servo driver which is connected with the data bus in a bidirectional control parallel connection manner, and a cutting device servo motor which is connected with the cutting device servo driver in a bidirectional control serial connection manner;

The lifting control unit of the cutting device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected in parallel and then connected with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder;

The main saw driving control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and a main saw motor connected in series with the unidirectional control of the contactor; 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 connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and an auxiliary saw motor connected in series with the unidirectional control of the contactor; 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 plate width detection device comprises an I/O module which is connected with the data bus in a bidirectional control parallel connection manner, a photoelectric switch which is connected with the I/O module in a unidirectional control manner, an electromagnetic valve which is connected with the I/O module in a unidirectional control manner, and an air nozzle which is connected with the electromagnetic valve in a unidirectional control series connection manner; 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 tap.

As an improvement of the first aspect, the device further comprises a side alignment plate device control unit;

The side trimming device control unit comprises two side trimming device lifting control units and a side trimming device movement control unit;

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

The side alignment plate device movement control unit comprises an I/O module connected in parallel with the bidirectional control of a data bus, a contactor connected in series with the unidirectional control of the I/O module, and a side alignment plate feeding servo motor connected in series with the unidirectional control of the contactor; the I/O module unidirectionally controls the contactor, and the contactor unidirectionally controls the side-aligning plate feeding servo motor.

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

The control unit of the left-right adjusting mechanism of the auxiliary saw comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, an auxiliary saw stepping driver which is connected in series with the unidirectional control of the I/O module, and an auxiliary saw stepping motor which is connected in series with the bidirectional control of the auxiliary saw stepping driver; the I/O module unidirectionally controls the auxiliary saw stepping driver;

the auxiliary saw up-down regulating mechanism control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, an intermediate relay connected in series with the unidirectional control of the I/O module, and an auxiliary saw up-down motor connected in series with the unidirectional control of the intermediate relay; 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 an improvement of the first aspect, the device further comprises a side alignment plate device control unit; the electronic ruler reading head is connected with the work clamp servo driver in series in a bidirectional control mode.

As a common modification of the first to fourth aspects, a side gusset apparatus control unit is further included; the device also comprises a pushing device control unit and a front trimming plate device control unit;

The pushing device control unit comprises two pushing device lifting control units; the pushing device lifting control unit comprises an I/O module connected with the data bus in parallel in a bidirectional control manner, a relay connected with the I/O module in series in a unidirectional control manner, a pushing lifting motor connected with the relay in series in a unidirectional control manner, a displacement sensor connected with the pushing lifting motor in series in a unidirectional control manner, an AI module connected with the displacement sensor in series in a unidirectional control manner, and the AI module in parallel connection with the data bus in a unidirectional control manner; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the pushing lifting motor, the pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module;

The front trimming device control unit comprises two front trimming device lifting control units; the lifting control unit of the front leveling plate device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected in parallel and then connected with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

As an improvement of the fifth aspect, the side alignment plate device control unit is further included; the pushing device control unit also comprises a pushing device movement control unit;

The pushing device movement control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, a pushing servo driver connected in series with the bidirectional control of the I/O module, and a pushing servo motor connected in series with the bidirectional control of the pushing servo driver; the I/O module unidirectionally controls the pushing servo driver.

As common improvement of the first to fourth schemes, the device further comprises a feeding control unit of the feeding device and a feeding control unit of the feeding device, wherein the feeding control unit and the feeding control unit of the feeding device are connected to the data bus in parallel in a bidirectional control manner; the feeding control unit of the feeding device comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, a thermal relay which is connected in series with the unidirectional control of the I/O module, a contactor which is connected in series with the unidirectional control of the thermal relay, and a feeding motor which is connected in series with the unidirectional control of the contactor; 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 connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and a feeding motor connected in series with the unidirectional control of the contactor; 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 common improvement of the first to fourth schemes, the device further comprises a feeding control unit of the feeding device and a feeding control unit of the feeding device, wherein the feeding control unit and the feeding control unit of the feeding device are connected to the data bus in parallel in a bidirectional control manner; the feeding control unit of the feeding device comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, a thermal relay which is connected in series with the unidirectional control of the I/O module, a contactor which is connected in series with the unidirectional control of the thermal relay, and a feeding motor which is connected in series with the unidirectional control of the contactor; the feeding control unit of the feeding device comprises an I/O module connected in parallel with the bidirectional control of a data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, a hydraulic oil pump motor connected in series with the unidirectional control of the contactor, a hydraulic electromagnetic valve connected in series with the unidirectional control of the hydraulic oil pump motor, an oil cylinder connected in series with the unidirectional control of the hydraulic electromagnetic valve, and a travel switch arranged on the oil cylinder and connected with the bidirectional control of the I/O module; 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 device of the work clamp moves to a set discharging position, a feeding moving seat of the feeding device of the work clamp is driven by a driving mechanism of the feeding moving seat, and moves to the set discharging position along a guiding mechanism of the feeding moving seat, and the feeding moving seat drives a clamping mechanism on the feeding moving seat to move to the set discharging position; in the setting discharging position, a movable clamp piece of the clamp mechanism is opened relative to a fixed clamp piece; the set placement position is generally the original point position of the initial setting of the clamp mechanism;

After the work clamp feeding device moves to a set discharging position, performing front feeding to place a plate; that is, the plate is manually placed from the front, i.e. one side in the discharging direction; when the plate is placed in the front feeding mode, the pressing device ascends, and the plate passes through the space between the pressing device and the workbench and then stretches into the space between the movable clamp piece and the fixed clamp piece of the clamp mechanism until the rear side of the plate is positioned flush with the front clamping surface of the clamp mechanism;

After the plate is placed in the front loading, the work clamp feeding device is executed to clamp the plate, and whether the side alignment plate device is used is judged?

If not, the side trimming plate device is not used, and the work clamp feeding device clamps the plate material to retreat to a set initial feeding position; after the work clamp feeding device clamps the corresponding plates, the feeding moving seat of the work clamp feeding device is driven by the feeding moving seat driving mechanism, and the clamping mechanism is driven by the feeding moving seat guiding mechanism to retreat to a set feeding starting position; after the work clamp feeding device clamps the corresponding plate and retreats to a set initial feeding position, the work clamp feeding device advances to a sawing position; the feeding device of the work clamp advances to a sawing position, wherein the feeding moving seat drives the clamp mechanism on the feeding moving seat to move forward to the sawing position, and in the sawing position, the clamp overturning seat of the clamp mechanism is still kept to overturn to a lower position relative to the clamp mounting seat, and the movable clamp piece and the fixed clamp piece of the clamp mechanism clamp the plate; the sawing position of the main workpiece feeding device is the distance from the vertical clamping plane where the clamping mechanism for clamping the plate is positioned near one side of the workbench to the zero point plane (sawing surface) and is the length of the plate clamped by the clamping mechanism, namely the position where the work clamp feeding device is positioned when the length of the plate is cut;

after the work clamp feeding device advances to the sawing position, pressing by the pressing device;

If the plate is positioned at the right side of the plate, the work clamp feeding device clamps the plate and retreats to a set position, and the plate is lifted up after moving to the set position, wherein the set position is a certain distance away from the rightmost side of the plate which is placed from the front; after the side alignment plate device is operated to a set position, the work clamp feeding device is executed to advance to a sawing position; the work clamp feeding device advances to a sawing position, and a side trimming plate device is used for trimming; after the side alignment plate device aligns materials, a material pressing device is used for pressing materials;

After the pressing device presses the material, a cutting device is executed to saw the plate;

Every time the cutting device saw cuts, determine if the same plate saw cuts is complete?

If not, namely the same plate is not sawed, the pressing device ascends, the work clamp feeding device advances for feeding by a set cutting length, and then returns to the pressing device for pressing;

if the two clamping jaws are saw cut, the upper clamping jaw and the lower clamping jaw of the clamping device of the work clamp feeding device are opened, and the work clamp feeding device retreats to a set position;

After the work clamp feeding device retreats to the set position, judging whether all sawing is completed?

If yes, finishing processing;

If not, returning to the work clamp feeding device to move to the set discharging position.

As an improvement of the fifth aspect, before the work clamp feeding device moves to the set discharging position, the method further includes:

Initializing a starting system;

After the starting system is initialized, the origin is reset; the original point resetting comprises the step of moving the cutting device and the work clamp feeding device to a set original point position;

after the origin is reset, inputting a processing pattern;

after the machining pattern is entered, do it start the fence run program? If yes, starting a backup plate running program; readiness;

If not, the preparation is ready;

After the saw blade is ready, after the saw blade starting button is pressed and the fan starting button is pressed, the continuous starting button is pressed again;

after the continuous start button is pressed, the work clamp operation program is started, the pressing operation program is started, and the cutting plate operation program is started;

starting a work clamp operation program, starting a pressing operation program, and starting machining after starting a cutting plate operation program; when the processing is started, the work clamp feeding device moves to a set discharging position.

The control system of the computer board cutting saw has the beneficial effects that:

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

The control system is divided into a plurality of large module units, namely a work clamp feeding device control unit, a side aligning plate device control unit, a pressing device control unit, a cutting device control unit and the like, and then 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 and modularized structure, has a standardized interface, can be connected with a standardized interface and a remote I/O on a Programmable Logic Controller (PLC), has universality for hardware and software, and has high compatibility and strong portability.

Each module has independent functions, the modules of the same kind can be reused and interchanged in the product family, and products with different specifications can be processed by different combinations of related module rows.

By selecting and matching the combined configuration of various functional modules, products with different requirements can be created, the custom-made requirements of customers can be met, and the requirements of customers on different configurations and the market requirements can be flexibly met; the reuse of the similarity can make the purchase, manufacture and maintenance of the whole product more convenient.

And the module is modularized, so that functions are decomposed, and the coupling property between the functions is reduced. Therefore, in order to replace a certain module to achieve the improvement of quality or efficiency, the whole structure is not changed, and the workload is obviously reduced only by changing the corresponding module, so that the modularized application is the final design of each industry. The modular structure thus provides interoperability and portability between machine tools. By providing standardized interfaces, communication and interaction mechanisms, different function module functions are operated on a system platform through standard application program interfaces, equal interoperable capacity is obtained, and the functions are coordinated. The system has the advantages that the unified data format, interaction model and control mechanism are applied, each functional module forming the system can be sourced from different developers, and each functional module can be operated on hardware platforms provided by different suppliers through a consistent equipment interface, so that the development period is shortened, the development cost is controllable, and the like.

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

1. The structure is more reasonable: the control system of the machine is divided into a plurality of small control units by adopting each module, so that 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. Design of an optimal control system: each part of the control system is designed into a small control unit, and 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. Maintenance is simpler: each part of the machine is a small control unit, the machine has problems, can be diagnosed quickly, only needs to replace the corresponding small control unit, and is simple to operate.

The control system with the structure has the advantages of quick response, high processing precision, stable operation and reliable operation. The control elements of the control system with the structure are matched for use, so that the compatibility is better, and the operation is more stable and reliable.

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

By adopting the processing method, the logic is clear, and when a plurality of devices are used or not used, simultaneously or not used, and simultaneously or not simultaneously act in a plurality of ways, each motion device can be ensured not to interfere in the processing process, 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 workpiece is processed in the most reasonable and most efficient mode by complex actions such as multiple processing modes, front feeding or rear feeding and the like which relate to multiple processing devices, and the processing method has the advantages of reliable and efficient movement and low cost which can be realized by a control system.

The control system and the processing method with the structure can start various programs only by inputting processing patterns, replacing processing programs and the like, and the various motions are not interfered by simultaneous or different motions, and the control system and the processing method with the structure are reliable in motion, stable in operation and high in processing precision, so that the plates with different sizes can be automatically processed into workpieces with different sizes, the requirements of customizing furniture with different sizes are greatly met, and the working efficiency and the intelligent control degree of computer saw equipment are greatly improved.

In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a general schematic diagram of a control system of a computer panel saw of embodiment 1;

FIG. 2 is a schematic diagram of a work clamp feeding device control unit of the control system of example 1;

fig. 3 is a schematic diagram of a side trimming 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 diagram of a control system of a computer panel saw of embodiment 2;

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

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

FIG. 7 is a first portion of the overall flowchart of the method of operation of example 4;

Fig. 8 is a second part of the overall flowchart of the working method of example 4.

Detailed Description

Example 1

As shown in FIG. 1, the control system of the computer panel saw comprises a man-machine exchange control unit, a programmable controller (PLC) which is in bidirectional control connection with the man-machine exchange control unit through an Ethernet, a data bus which is connected with the programmable controller, and a work clamp feeding device control unit, a side panel device control unit, a material pressing device control unit and a cutting device control unit which are connected to the data bus in parallel.

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 unidirectional control way, and a factory local area network which is connected with the industrial personal computer in a bidirectional control way; the mouse and the keyboard control the industrial personal computer in one way. The industrial personal computer is connected with the programmable controller in a bidirectional control way through the Ethernet.

The programmable controller (PLC) refers to a program control system of a computer numerical control machine tool (computer numerical control). The programmable controller controls the work clamp feeding device control unit, the side trimming plate device control unit, the pressing device control unit and the cutting device control unit.

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

The control unit of the work clamp feeding mechanism comprises an I/O module connected in parallel with the bidirectional control of the data bus, a work clamp servo driver connected in series with the bidirectional control of the I/O module, a work clamp servo motor connected in series with the bidirectional control of the work clamp servo driver, and an electronic ruler reading head connected in series with the bidirectional control of the work clamp 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 connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, and a clamping cylinder connected in series with the unidirectional control of the electromagnetic valve; the I/O module unidirectionally controls the electromagnetic valve, and the electromagnetic valve unidirectionally controls the clamping cylinder.

The work clamp feeding device is controlled by a control unit of a work clamp 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 mechanism movement is more flexible.

A Programmable Logic Controller (PLC) sends a signal to the electromagnetic valve through an I/O module, and controls a clamping cylinder for clamping the plate to act, so that the clamping plate and the plate releasing are realized; the clamping cylinder is not provided with an inductive switch, so that an upper clamp of the clamp mechanism can be kept at any position, thereby being capable of clamping a plate with continuously variable width and ensuring clamping of the plate.

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

The lifting control unit of the pressing device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and an inductive switch arranged on the cylinder, wherein the inductive switch is connected in series with the bidirectional control of the I/O module. The I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

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 beams are balanced in the lifting process. Each set of lifting control unit of the pressing device is provided with an air cylinder for controlling the lifting of the pressing beam. The Programmable Logic Controller (PLC) sends signals to the electromagnetic valve for controlling the lifting cylinder of the pressing beam, the pressing beam is controlled to ascend or descend, the sensing detection signals for detecting the action of the cylinder are fed back to the Programmable Logic Controller (PLC), and the air cylinder of the lifting control unit of the pressing device is provided with a sensing switch, so that the pressing device can stay at any position, the lifting height of the pressing beam can be designated every time, the lifting top of the pressing beam every time is not required, the working efficiency can be improved, and the safety in the lifting process of the pressing beam is ensured.

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

The lifting control unit of the side-aligning plate device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected in parallel and then connected with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

The side alignment plate device movement control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, a contactor connected in series with the unidirectional control of the I/O module, and a side alignment plate feeding servo motor connected in series with the unidirectional control of the contactor; the I/O module unidirectionally controls the contactor, and the contactor unidirectionally controls the side-aligning plate feeding servo motor.

Each set of side trimming device lifting control unit is provided with a cylinder for controlling the lifting of the side trimming plate, a Programmable Logic Controller (PLC) sends a signal to the trimming plate lifting electromagnetic valve, the side trimming plate is controlled to lift or descend, the corresponding two inductive switches detect the in-place signal and feed back the in-place signal to the Programmable Logic Controller (PLC), and the side trimming device lifting control unit realizes the function of trimming the plate to the side positioning reference.

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 board width detection device control unit.

The lifting control unit of the cutting device comprises an I/O module connected with the data bus in a bidirectional control parallel connection manner, an electromagnetic valve connected with the I/O module in a unidirectional control series connection manner, a cylinder connected with the electromagnetic valve in a unidirectional control series connection manner, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control connection manner after being connected in parallel; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

The main saw driving control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and a main saw motor connected in series with the unidirectional control of the contactor; 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 connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and an auxiliary saw motor connected in series with the unidirectional control of the contactor; 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 left-right regulating mechanism of the auxiliary saw comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, an auxiliary saw stepping driver which is connected in series with the unidirectional control of the I/O module, and an auxiliary saw stepping motor which is connected in series with the bidirectional control of the auxiliary saw stepping driver; the I/O module unidirectionally controls the auxiliary saw stepping driver.

The control unit of the auxiliary saw left-right adjusting mechanism sends a signal to the auxiliary saw stepping driver through a Programmable Logic Controller (PLC), and the auxiliary saw stepping driver controls the auxiliary saw stepping motor to adjust the left-right position of the auxiliary saw, and the adjustment is accurate.

The auxiliary saw up-down adjusting mechanism control unit sends signals to the intermediate relay through the Programmable Logic Controller (PLC), 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 arranged on the cutting device, the plate width is detected along with the movement of the cutting device, the cutting device is stopped, the work clamp feeding device pulls the plate to move, the length of the plate can be detected, so that the plate width detection device can be used, the plate can be randomly placed at any position of a table top, the plate can be unnecessarily moved to one end of a machine to be aligned for oversized plates, the operation of operators is facilitated, and the production efficiency is improved.

The cutting device feeding control unit, the work clamp feeding mechanism control unit and the side alignment plate device movement control unit adopt servo driving systems, a Programmable Logic Controller (PLC) and each servo driver adopt a pulse control mode with accurate positioning, and control corresponding servo motors to realize accurate positioning movement.

Example 2

As shown in FIG. 4, unlike embodiment 1, the computer panel saw further comprises a feeding device control unit, a pushing device control unit, and a front panel 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 parallel connection manner, a thermal relay which is connected with the I/O module in a unidirectional control series connection manner, a contactor which is connected with the thermal relay in a unidirectional control series connection manner, and a feeding motor which is connected with the contactor in a unidirectional control series connection manner; 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 the thermal relay and the contactor, the contactor controls the on-off of the motor, and the thermal relay is used for protecting the motor from overload, so that the motor is safer and more reliable to use. The I/O module is an input/output module.

The pushing device control unit comprises two pushing device lifting control units; the pushing device lifting control unit comprises an I/O module connected with the data bus in parallel in a bidirectional control manner, a relay connected with the I/O module in series in a unidirectional control manner, a pushing lifting motor connected with the relay in series in a unidirectional control manner, a displacement sensor connected with the pushing lifting motor in series in a unidirectional control manner, an AI module connected with the displacement sensor in series in a unidirectional control manner, and the AI module in parallel connection with the data bus in a unidirectional control manner; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the pushing lifting motor, the pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module.

The pushing device lifting control unit is characterized in that a Programmable Logic Controller (PLC) controls a pushing lifting motor to act through an I/O module and a relay, a quantitative pushing device of the pushing device is driven to lift up to a certain height, meanwhile, a displacement sensor is adopted to accurately detect the thickness of a plate, analog quantity signals are input to the Programmable Logic Controller (PLC) through an AI module, and the feeding quantity of the feeding device is ensured to meet the system setting. And after detecting that the quantitative push plate device is lifted to the plate thickness enough for sawing, stopping lifting the feeding frame. The two pushing devices of the pushing device control unit are respectively controlled by the corresponding pushing device lifting control unit, and the two pushing devices can move more synchronously due to the displacement sensor, so that the movement is more reliable. The AI module is an analog signal input module.

The front trimming device control unit comprises two front trimming device lifting control units; the lifting control unit of the front leveling plate device comprises an I/O module connected with the data bus in a bidirectional control parallel connection manner, an electromagnetic valve connected with the I/O module in a unidirectional control series connection manner, a cylinder connected with the electromagnetic valve in a unidirectional control series connection manner, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected with the I/O module in a bidirectional control manner after being connected in parallel. The I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

The front alignment control unit sends signals to the electromagnetic valve through the I/O module by a Programmable Logic Controller (PLC), controls the cylinder of the front alignment plate device lifting control unit to advance or retreat, and feeds back detection signals of corresponding inductive switches to the Programmable Logic Controller (PLC) after the cylinder advances or retreats to a proper position, so that the function of front alignment of the plates and the avoidance function of the plates when the plates need to pass through the front alignment plate device are realized. The cylinder of the front leveling plate device is provided with two inductive switches, so that the height of the front leveling plate device higher than the feeding plane of the feeding frame and the height of the front leveling plate device lower than the feeding plane of the feeding frame are determined, the front side of the plate is flush when the front leveling plate device ascends, and the feeding plane lower than the feeding frame is ensured to avoid interference with other devices when the front leveling plate device descends.

Example 3

As shown in fig. 6, unlike example 2, the feeding device control unit includes a feeding device feed control unit and a feeding device feed control unit.

The feeding control unit of the feeding device comprises an I/O module connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, a hydraulic oil pump motor connected in series with the unidirectional control of the contactor, a hydraulic electromagnetic valve connected in series with the unidirectional control of the hydraulic oil pump motor, an oil cylinder connected in series with the unidirectional control of the hydraulic electromagnetic valve, and a travel switch arranged on the oil cylinder and connected with the bidirectional control of the I/O module; 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 pusher control unit is different from embodiment 3 in that it further includes a pusher movement control unit.

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

The side gusset apparatus control unit is different from embodiment 3 in that it further includes a side gusset apparatus gusset control unit.

The side-trimming plate device trimming plate control unit comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and an inductive switch arranged on the cylinder, wherein the inductive switch is connected in series with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

The air cylinder of the side trimming plate device trimming plate control unit is horizontally arranged on the side trimming plate, an inductive switch is arranged on the air cylinder, when the side trimming plate device moves to a approximate position under the drive of the side trimming plate feeding servo motor, the I/O module of the side trimming plate device trimming plate control unit controls the electromagnetic valve, and the air cylinder connected with the electromagnetic valve is controlled to advance, so that the side trimming plate is pressed against the side surface of the plate, and the purpose of trimming the plate is achieved. The air cylinder is used for acting the trimming plate, the compaction force can be adjusted through the air pressure, the trimming of the plate is facilitated, the buffering effect can be achieved in the trimming process, and overload of the mechanical structure and the lateral trimming plate feeding servo motor is protected.

Example 4

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

And initializing a starting system.

After the starting system is initialized, the origin is reset. The original point resetting comprises the cutting device and the work clamp feeding device moving to the set original point position.

After the origin is reset, the processing pattern is input. Manually editing the processing pattern or automatically importing the processing pattern, selecting the processing pattern, clicking the download data, downloading the processing pattern to the PLC, and finishing inputting the processing pattern;

after the machining pattern is entered, do it start the fence run program? If yes, starting a backup plate running program; readiness; if not, it is ready.

After the device is ready, after the saw blade start button and the fan start button are pressed, the continuous start button is pressed.

After the continuous start button is pressed, the work clamp operation program is started, the pressing operation program is started, and the cutting plate operation program is started.

As shown in fig. 8, the feeding device of the work clamp moves to a set discharging position, a feeding moving seat of the feeding device of the work clamp is driven by a driving mechanism of the feeding moving seat, and moves to the set discharging position along a guiding mechanism of the feeding moving seat, and the feeding moving seat drives a clamping mechanism on the feeding moving seat to move to the set discharging position; in the setting discharging position, a movable clamp piece of the clamp mechanism is opened relative to a fixed clamp piece; the set placement position is generally the original point position of the initial setting of the clamp mechanism;

If yes, finishing processing;

If the sawing of the plate is completed, the movable clamp piece and the fixed clamp piece of the clamp mechanism of the work clamp feeding device are opened, and after the work clamp feeding device retreats to the set position, whether all sawing is completed is judged?

Is all sawing done?

If yes, finishing processing;

The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.

Claims

1. The control system of the computer panel saw comprises a programmable controller, a data bus connected with the programmable controller, and a work clamp feeding device control unit, a pressing device control unit and a cutting device control unit which are connected to the data bus in parallel in a bidirectional control manner; the method is characterized in that:

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

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

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

5. A control system for a computer panel saw as claimed in any one of claims 1 to 4, wherein: the device also comprises a pushing device control unit and a front trimming plate device control unit;

The pushing device control unit comprises two pushing device lifting control units; the pushing device lifting control unit comprises an I/O module connected with the data bus in parallel in a bidirectional control manner, a relay connected with the I/O module in series in a unidirectional control manner, a pushing lifting motor connected with the relay in series in a unidirectional control manner, a displacement sensor connected with the pushing lifting motor in series in a unidirectional control manner, an AI module connected with the displacement sensor in series in a unidirectional control manner, and the AI module in parallel connection with the data bus in a unidirectional control manner; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the pushing lifting motor, the pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module; the front trimming device control unit comprises two front trimming device lifting control units; the lifting control unit of the front leveling plate device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected in parallel and then connected with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder.

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

7. A control system for a computer panel saw as claimed in any one of claims 1 to 4, wherein: the feeding control unit of the feeding device and the feeding control unit of the feeding device are connected to the data bus in parallel in a bidirectional control manner; the feeding control unit of the feeding device comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, a thermal relay which is connected in series with the unidirectional control of the I/O module, a contactor which is connected in series with the unidirectional control of the thermal relay, and a feeding motor which is connected in series with the unidirectional control of the contactor; 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 connected in parallel with the bidirectional control of the data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, and a feeding motor connected in series with the unidirectional control of the contactor; 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 as claimed in any one of claims 1 to 4, wherein: the feeding control unit of the feeding device and the feeding control unit of the feeding device are connected to the data bus in parallel in a bidirectional control manner; the feeding control unit of the feeding device comprises an I/O module which is connected in parallel with the bidirectional control of the data bus, a thermal relay which is connected in series with the unidirectional control of the I/O module, a contactor which is connected in series with the unidirectional control of the thermal relay, and a feeding motor which is connected in series with the unidirectional control of the contactor; the feeding control unit of the feeding device comprises an I/O module connected in parallel with the bidirectional control of a data bus, a thermal relay connected in series with the unidirectional control of the I/O module, a contactor connected in series with the unidirectional control of the thermal relay, a hydraulic oil pump motor connected in series with the unidirectional control of the contactor, a hydraulic electromagnetic valve connected in series with the unidirectional control of the hydraulic oil pump motor, an oil cylinder connected in series with the unidirectional control of the hydraulic electromagnetic valve, and a travel switch arranged on the oil cylinder and connected with the bidirectional control of the I/O module; 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. The working method of the computer board cutting saw is characterized in that the computer board cutting saw comprises a control system, the control system comprises a programmable controller, a data bus connected with the programmable controller, a work clamp feeding device control unit, a pressing device control unit and a cutting device control unit, wherein the work clamp feeding device control unit, the pressing device control unit and the cutting device control unit are connected to the data bus in parallel in a bidirectional control mode; the method is characterized in that:

The control unit of the plate width detection device comprises an I/O module which is connected with the data bus in a bidirectional control parallel connection manner, a photoelectric switch which is connected with the I/O module in a unidirectional control manner, an electromagnetic valve which is connected with the I/O module in a unidirectional control manner, and an air nozzle which is connected with the electromagnetic valve in a unidirectional control series connection manner; 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 tap;

the device also comprises a side trimming plate device control unit;

The side alignment plate device movement control unit comprises an I/O module connected in parallel with the bidirectional control of a data bus, a contactor connected in series with the unidirectional control of the I/O module, and a side alignment plate feeding servo motor connected in series with the unidirectional control of the contactor; the I/O module unidirectionally controls the contactor, and the contactor unidirectionally controls the side-trimming plate feeding servo motor;

the device also comprises a pushing device control unit and a front trimming plate device control unit;

The pushing device control unit comprises two pushing device lifting control units; the pushing device lifting control unit comprises an I/O module connected with the data bus in parallel in a bidirectional control manner, a relay connected with the I/O module in series in a unidirectional control manner, a pushing lifting motor connected with the relay in series in a unidirectional control manner, a displacement sensor connected with the pushing lifting motor in series in a unidirectional control manner, an AI module connected with the displacement sensor in series in a unidirectional control manner, and the AI module in parallel connection with the data bus in a unidirectional control manner; the I/O module unidirectionally controls the relay, the relay unidirectionally controls the pushing lifting motor, the pushing lifting motor unidirectionally controls the displacement sensor, and the displacement sensor unidirectionally controls the AI module; the front trimming device control unit comprises two front trimming device lifting control units; the lifting control unit of the front leveling plate device comprises an I/O module connected in parallel with the bidirectional control of the data bus, an electromagnetic valve connected in series with the unidirectional control of the I/O module, a cylinder connected in series with the unidirectional control of the electromagnetic valve, and two inductive switches arranged on the cylinder, wherein the two inductive switches are connected in parallel and then connected with the bidirectional control of the I/O module; the I/O module unidirectionally controls the electromagnetic valve and the electromagnetic valve unidirectionally controls the air cylinder;

The working method comprises the following steps:

After the plates are placed in the front feeding mode, the work clamp feeding device is used for clamping the plates, and whether the side alignment plate device is used or not is judged; if not, the side trimming plate device is not used, and the work clamp feeding device clamps the plate material to retreat to a set initial feeding position; after the work clamp feeding device clamps the corresponding plates, the feeding moving seat of the work clamp feeding device is driven by the feeding moving seat driving mechanism, and the clamping mechanism is driven by the feeding moving seat guiding mechanism to retreat to a set feeding starting position; after the work clamp feeding device clamps the corresponding plate and retreats to a set initial feeding position, the work clamp feeding device advances to a sawing position; the feeding device of the work clamp advances to a sawing position, wherein the feeding moving seat drives the clamp mechanism on the feeding moving seat to move forward to the sawing position, and in the sawing position, the clamp overturning seat of the clamp mechanism is still kept to overturn to a lower position relative to the clamp mounting seat, and the movable clamp piece and the fixed clamp piece of the clamp mechanism clamp the plate; the sawing position of the main workpiece feeding device is the position of the work clamp feeding device when the length of the cut plate is subtracted from the distance from the vertical clamping plane, where one side of the clamping mechanism for clamping the plate is close to the workbench, to the zero point plane, namely the length of the plate clamped by the clamping mechanism;

judging whether the sawing of the same plate is finished or not when the cutting device completes sawing once;

after the work clamp feeding device retreats to a set position, judging whether all sawing is completed;

If yes, finishing processing;

10. The method of claim 9, wherein the work clamp feeding device further comprises, before moving to the set discharging position:

Initializing a starting system;

after the origin is reset, inputting a processing pattern;

After the processing pattern is input, executing whether to start the backup plate running program; if yes, starting a backup plate running program; readiness; if not, the preparation is ready;