CN212602382U

CN212602382U - Control system of computer cut-to-size saw

Info

Publication number: CN212602382U
Application number: CN202020659906.5U
Authority: CN
Inventors: 肖志群; 郭飞; 郭朝元; 曹梦莲; 邱中风; 叶志成
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-26
Anticipated expiration: 2030-04-24

Abstract

A control system of a computer panel saw comprises a control unit of a main clamping and feeding device and a control unit of an auxiliary clamping and feeding device; the master clamping and feeding device control unit comprises a master clamping and feeding mechanism control unit, a first master clamping mechanism control unit and a second master clamping mechanism control unit; the first main clamp mechanism control unit comprises a first main clamp mechanism overturning control unit and a first main clamp mechanism clamping control unit; the second main clamp mechanism control unit comprises a second main clamp mechanism clamping control unit and a second main clamp mechanism moving and overturning control unit; the auxiliary clamping and feeding device control unit comprises an auxiliary clamping and feeding mechanism control unit and an auxiliary clamp mechanism control unit; the auxiliary clamp mechanism control unit comprises an auxiliary clamp mechanism clamping control unit, and the auxiliary clamp mechanism moves and overturns the control unit; the cutting device has the advantages of high safety, strong fault-tolerant capability, high efficiency, stability, capability of realizing one set of cutting device and doubled efficiency.

Description

Control system of computer cut-to-size saw

Technical Field

The utility model relates to a cutting processing equipment of wood-based plate (including density board, particle board, multiply wood etc.) and analog, especially relate to one kind and cut the control system who just has high-grade numerical control system's large-scale accurate computer cut-to-size board saw to panel.

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. However, at present, customization becomes a development trend of the furniture industry, and the requirements of the customization on equipment are different from the requirements of the customization in the past and are greatly changed. The sawing batch of the plates produced in the production process of the non-customized furniture is more, and the change between orders is less; important features of customized furniture are that the length and width of the cut sheet may vary from order to order and that the production volume per order is small and that the specifications of the sheet required to be cut vary greatly from order to order.

At present, a computer plate cutting saw for cutting plates generally only has one set of feeding device, can not cut plates in a staggered mode, can only cut plates with one length at one time, and needs to cut plates with two longitudinal lengths twice if the cutting of the plates with two longitudinal lengths is to be finished, so that the cutting efficiency is low, and the labor intensity of workers is high.

The invention discloses a back-feeding high-speed computer board cutting saw, which is disclosed in an invention patent with the patent number of 201110336925.X and the publication 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 material pressing device comprises a material pressing cross beam, a movable seat, two first driving cylinder bodies, two second driving cylinder bodies and a third motor, wherein the two first driving cylinder bodies and the two second driving cylinder bodies are arranged at two ends of the material pressing cross beam; the material pressing cross beam is transversely arranged right above the workbench, and the movable seat can be transversely and movably arranged on the material pressing cross beam through a linear guide rail and moves up and down along with the material pressing cross beam; the two second driving cylinder bodies are respectively positioned at the front side and the rear side of the material pressing cross beam; 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 beam 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 beam, a first motor and a plurality of clamping mechanisms for clamping the rear end of the plate; the two ends of the first beam are respectively abutted against the corresponding first guide rails, the first motor is fixed on the first beam and is a servo motor, and the first motor drives the first beam 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 cross beam at intervals and move synchronously with the first cross beam.

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 cross beam 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 beam, a second motor and a plurality of pushing block assemblies; the two ends of the second beam are respectively abutted against the corresponding second guide rails, the second motor is fixed on the second beam and is a servo motor, and the second motor drives the second beam to move back and forth along the second guide rails through a second transmission shaft; the plurality of push block assemblies are arranged on the second cross beam at intervals and move synchronously along with the second cross beam, a guard bar is arranged on the front side of the second cross beam, the guard bar is abutted to the upper surface of the plate when the push block assembly works, the push block assemblies are abutted to the rear end face of the plate, and the second cross beam is driven by the 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.

In the patent of the invention, even if manual feeding is carried out from the front side, only one set of second propelling mechanism which moves synchronously is used for clamping materials, and the clamping mechanisms which are used for clamping the rear ends of the plates and carrying out feeding move synchronously along with the first cross beam, so that the feeding amount of the plates sent to the workbench by the first propelling mechanism is the same in the same time, and the plates with one length can be cut by the rear feeding high-speed computer plate cutting saw. Along with the increasing popularization of customized furniture, the requirements on the length and the width of the board are also different, and the labor cost is more and more expensive, so that the requirements of various furniture production enterprises on the capacity and the efficiency of workers of the computer board cutting saw are also improved, and the production efficiency of the back-loading high-speed computer board cutting saw which can only cut one board length at a time cannot meet the current requirements.

On the other hand, in the patent, the second pushing mechanism drives the second beam to move forward by the second motor, so that the sheet material is pushed forward into the feeding frame. The first pushing mechanism drives the first cross beam to move forwards along the first track through the first motor and the first transmission shaft, and the plurality of clamping mechanisms move forwards synchronously along with the first cross beam, so that the plate material moves forwards to enter a channel of the workbench according to the size required by the workpiece. The first propulsion mechanism and the second propulsion mechanism are respectively provided with a separate driving motor, so that the structure is complex and the cost is high.

In the working process of the invention patent, only main working steps are briefly described, and according to the working steps, only after-feeding can be realized, and large plates with the same length are cut at the same time, so that the use efficiency of the equipment is greatly reduced.

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 beam, a longitudinal saw worktable, a longitudinal saw plate front aligning device, a longitudinal saw feeding push rod beam assembly and a first conveying platform; the longitudinal saw feeding push rod beam 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 beam, a transverse saw workbench, 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 beam, and the rear end of the third conveying platform is provided with a cross saw plate front aligning device.

The working process of the longitudinal saw feeding and the longitudinal cutting of the longitudinal and transverse cutting computer plate cutting saw equipment is as follows:

the plate enters a lifting platform with a power roller from a feeding unit (until a stack of plates is lifted to the total height of the required plate), then a push rod on a longitudinal saw feeding push rod and cross beam assembly descends, then the cross beam advances to push the plate to a front aligning device of the longitudinal saw plate to realize front and back alignment of the plate, then a gripper on the cross beam of the longitudinal saw feeding push rod and cross beam assembly clamps the plate and sends the plate into a main machine frame of the longitudinal saw, and a longitudinal saw vehicle longitudinally cuts the plate.

In the invention patent, although the same device can perform transverse cutting and saw cutting simultaneously, the processing efficiency of the plate is improved, two sets of saw cutting units are required, the cost of the device is high, and the occupied area is large; and can not saw two plates with different lengths at one time.

In the working process of the patent of the invention, the brief working process of the rear feeding of the feeding device can only realize the rear feeding according to the working process, and the large plates with the same length are cut at the same time, so that the use efficiency of the equipment is greatly reduced.

In addition, the prior art does not disclose a specific control system, only one set of manual clamping and feeding device is provided, the control requirement is not high, human-computer interaction is generally adopted to use an HMI, an editable controller uses a common PLC + positioning module, and a communication mode uses a common serial port RS485 mode. 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 can realize different working methods, can be different control systems, and how to realize the most efficient and reliable working method can be realized through the control system.

The invention patent 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 PLC, a longitudinal saw PLC and an auxiliary machine PLC, wherein the cross saw PLC, the longitudinal saw PLC and the auxiliary machine PLC are respectively in communication connection with the man-machine interaction control unit; the transverse saw PLC is connected with the longitudinal saw PLC, and the transverse 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 mode; the transverse saw PLC is respectively connected with a transverse saw side aligning and forward aligning control unit and a transverse saw automatic cutting control unit in a control way; the auxiliary machine PLC is respectively connected with an automatic transition material taking and feeding control unit, an automatic waste discharging and crushing control unit and an automatic finished product conveying control unit in a control mode. This patent does not disclose a specific system composition, but only discloses a large modular unit. And the system can only cut the same length of plate at the same time.

Disclosure of Invention

Exist not enoughly to prior art, the utility model discloses a first technical problem that solves is, provide one kind and use bus technology as the core, have the security high, fault-tolerant ability is strong, stable, the precision is high, and can realize one set of cutting device, saw cut with once, can accomplish the panel of two kinds of different length saw cut, make efficiency can improve modular structure's about one time computer cutting saw.

A control system of a computer panel saw comprises a Programmable Logic Controller (PLC), a data bus connected with the PLC, a material pushing device control unit, a front panel aligning device control unit, a material pressing device control unit, a cutting device control unit, a main clamping and material conveying device control unit and an auxiliary clamping and material conveying device control unit, wherein the material pushing device control unit, the front panel aligning device control unit, the material pressing device control unit, the cutting device control unit, the main clamping and material conveying device control unit and the auxiliary clamping and material conveying device control unit are connected to the data; the master clamping and feeding device control unit comprises a master clamping and feeding mechanism control unit, a plurality of first master clamping mechanism control units and more than one second master clamping mechanism control unit, wherein the master clamping and feeding mechanism control units are bidirectionally controlled and connected to a data bus in parallel;

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

the first main clamp mechanism control unit comprises two first main clamp mechanism overturning control units and a plurality of first main clamp mechanism clamping control units;

the first main clamp mechanism overturning 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, a main overturning air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two induction switches which are installed on the main overturning air cylinder, wherein the two induction 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 main overturning cylinder in a one-way mode;

the first main clamp mechanism clamping control unit comprises an I/O module, an electromagnetic valve and a main clamping cylinder, 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 main clamping cylinder in a one-way mode;

the second main clamp mechanism control unit comprises a second main clamp mechanism clamping control unit and a second main clamp mechanism moving and overturning control unit which is in one-to-one correspondence with the second main clamp mechanism clamping control unit;

the second main clamp mechanism movement overturning 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, a main movement overturning air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two induction switches which are installed on the main movement overturning air cylinder, wherein the two induction 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 main moving overturning cylinder in a one-way mode;

the second main clamping mechanism clamping control unit comprises an I/O module, an electromagnetic valve and a second main clamping cylinder, wherein the I/O module is connected with the 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 second main clamping cylinder in a one-way mode;

the auxiliary clamping and feeding device control unit comprises an auxiliary clamping and feeding mechanism control unit and more than one auxiliary clamping mechanism control unit, wherein the auxiliary clamping and feeding mechanism control unit is bidirectionally controlled and connected to a data bus in parallel;

the auxiliary clamping feeding mechanism control unit comprises an I/O module, an auxiliary clamping servo driver and an auxiliary clamping servo motor, wherein the I/O module is connected with a data bus in a bidirectional control and parallel connection mode; the I/O module controls the auxiliary tool clamp servo driver in a one-way mode;

the auxiliary clamp mechanism control unit comprises an auxiliary clamp mechanism clamping control unit and auxiliary clamp mechanism moving and overturning control units which correspond to the auxiliary clamp mechanism clamping control units one by one;

the auxiliary clamp mechanism moving and overturning 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 auxiliary moving and overturning air cylinder which is connected with the electromagnetic valve in a unidirectional control and series mode, and two induction switches which are installed on the auxiliary moving and overturning air cylinder, wherein the two induction 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 auxiliary moving and overturning air cylinder in a one-way mode;

the auxiliary clamp mechanism clamping control unit comprises an I/O module, an electromagnetic valve and an auxiliary clamping cylinder, wherein the I/O module is connected with the 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 auxiliary clamping cylinder in a one-way mode.

As an improvement of the first scheme, 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 an improvement of the second scheme, 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 an improvement of the first scheme, 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 one way, and the electromagnetic valve controls the cylinder in one way.

As an improvement of the first scheme, the control unit of the material pushing device comprises a material pushing device movement control unit and two material pushing device lifting control units;

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.

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 an improvement of the first scheme, the system also comprises a feeding device control unit which is bidirectionally controlled and connected to the data bus in parallel;

the feeding device control unit comprises 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 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, 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 improvement of the first proposal also comprises a control unit for bidirectionally controlling the side flush plate device which is connected to the data bus in parallel; the side aligning device control unit comprises two side aligning device lifting control units, a side aligning device movement control unit and a side aligning device aligning 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 unidirectionally controls the contactor, and the contactor unidirectionally controls the side flush plate feeding servo motor;

the side plate aligning device plate aligning 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 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.

As an improvement of the first scheme, the system further comprises a synchronous device control unit which is connected with the data bus in a bidirectional control and parallel mode; the synchronous device 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, a synchronous separation 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 synchronous separation 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 synchronous separation cylinder in a one-way mode.

As an improvement of the first proposal, the device also comprises an electronic ruler reading head which is connected with a main clamping servo driver in a bidirectional control series connection mode.

As an improvement of the first scheme, the system also comprises a man-machine exchange control unit which is in bidirectional control connection with a Programmable Logic Controller (PLC) through an Ethernet; 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 utility model discloses a control system of computer cut-to-size saw's beneficial effect is:

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 feeding device control unit, a pushing device control unit, a front aligning plate device control unit, a main work clamping and feeding device control unit, a sub work clamping and feeding device control unit, a synchronizing device control unit, a side aligning plate device control unit, a 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, wherein the small control units are controlled by specific parts. When the primary clamping and feeding device and the secondary clamping and feeding device asynchronously move to cut plates with different lengths at the same time, part of the secondary clamping mechanism can be turned upwards to avoid the plates with different widths, and part of the secondary clamping mechanism can be turned downwards to clamp the plates, so that the computer plate cutting saw can cut the plates with two different lengths at the same time, and the efficiency can be improved by about one time.

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 Logic Controller (PLC), 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.

Because the auxiliary clamping and feeding device control unit is added, two kinds of plate sawing with different lengths can be finished by one set of cutting device and the same sawing, and the efficiency can be improved by about one time.

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.

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

Drawings

Fig. 1 is a perspective view of the high-speed computer board cutting and sawing machine of the present invention.

Fig. 2 is an exploded view of the clamping and feeding device of the main worker of the utility model.

Fig. 3 is an exploded view of a portion of a first main clamping mechanism of the present invention.

Figure 4 is an exploded view of a portion of a second main jaw apparatus of the present invention.

Fig. 5 is a schematic perspective view of the material feeding device of the auxiliary clamping device of the present invention.

FIG. 6 is a general schematic view of a control system of the computer panel saw according to embodiment 1;

fig. 7 is a schematic view of a feeding device control unit, a pushing device control unit, and a front aligning device control unit of the control system of embodiment 1;

FIG. 8 is a schematic view of a control unit of a primary feeding device of the control system of embodiment 1;

FIG. 9 is a schematic view of a control unit of a material feeding device and a control unit of a synchronizer of the auxiliary clamping and feeding device of the control system of embodiment 1;

fig. 10 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.

Detailed Description

First, it should be noted that in the following description, some terms "upper", "lower", "front", "rear", and the like,

The directions or positional relationships indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the technical solution of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a high-speed computer panel saw includes a main frame 1, a machine main body 2 mounted on the main frame 1, a feeding unit 3, a discharging unit 4, and a computer control system composed of an industrial PC and a PLC. The discharging unit 4 is located at the front side of the machine table main body 2, and a side positioning backup plate 5 is arranged at one side of the discharging unit 4. The feeding unit 3 is located at the rear side of the machine main body 2.

The machine table main body 2 comprises a workbench 6, a pressing device 7 used for pressing and positioning a plate material on the workbench 6, a cutting device 8 used for cutting the plate material on the workbench 6, and a side aligning device 10 which is arranged on a pressing beam 9 of the pressing device 7 and is used for aligning the plate material with the side positioning backup plate 5. The pressing device 7 and the cutting device 8 are both arranged on the workbench 6.

The main frame 1 includes a left guide rail seat 11 and a right guide rail seat 12 provided on both left and right sides of the feeding unit 3. The feeding unit 3 comprises a feeding device 13 and a feeding device 14. The feeding device 13 comprises a conveying device 15, a feeding frame 16 which is arranged between the left guide rail seat 11 and the right guide rail seat 12 in a lifting manner, and a feeding frame lifting mechanism 17 which drives the feeding frame 16 to lift up and down. After the sheet material is conveyed to the feeding frame 16 by the conveying device 15, the feeding frame 16 is driven to lift by the feeding frame lifting mechanism 17 to realize feeding.

The feeding device 14 comprises a feeding frame 18 arranged between the left guide rail seat 11 and the right guide rail seat 12, a pushing device 19 for fixing the thickness of the plate and pushing the plate from the feeding device 13 to the feeding frame 18, two sets of front aligning devices (not shown) for performing front alignment on the plate pushed to the feeding frame 18, a front aligning device (not shown), and a main clamping and feeding device 20 and an auxiliary clamping and feeding device 21 for pushing the plate from the feeding frame 18 to the workbench 6. The feeding frame 18 is arranged at the rear side of the workbench 6, the primary clamping and feeding device 20 is arranged at the rear side of the pressing device 7, the material pushing device 19 is arranged at the rear side of the primary clamping and feeding device 20, and the feeding device 13 is arranged at the rear side of the feeding frame 18; the primary material clamping and conveying device 20 and the secondary material clamping and conveying device 21 are arranged on the feeding frame 18 and the workbench 6 in a reciprocating mode, and the material pushing device 19 is arranged on the feeding frame 16 and the feeding frame 18 in a reciprocating mode.

The computer control system controls the feeding device 13, the pushing device 19, the two front plate-aligning devices (not shown), the main clamping and feeding device 20, the auxiliary clamping and feeding device 21, the side plate-aligning device 10, the pressing device 7, the cutting device 8 and the discharging unit 4 to work.

As shown in fig. 2 and 3, the main clamping feeding device 20 includes a main clamping beam 40, a main clamping mounting seat 41 and a main clamping mounting seat 42 respectively installed at two ends of the main clamping beam 40, a beam feeding mechanism 43 respectively installed between the main clamping beam 40 and the left guide rail seat 11 and the right guide rail seat 12 and driving the main clamping beam 40 to move horizontally back and forth to realize feeding, a beam guiding mechanism 44 installed between two opposite inner sides of two ends of the main clamping beam 40 and the left guide rail seat 11 and the right guide rail seat 12 and guiding the main clamping beam 40 when moving horizontally back and forth, and a main clamping vise device installed on the main clamping beam 40 and used for clamping the rear end of the sheet. The main clamping jaw arrangement comprises a first main clamping jaw arrangement 45 and a second main clamping jaw arrangement 46. The main clamping beam 40 is mounted on the left rail seat 11 and the right rail seat 12 at two ends thereof to be movable back and forth, and is supported on two opposite inner sides of the left rail seat 11 and the right rail seat 12 through a beam guide mechanism 44. The main clamping beam 40 is arranged between the pushing device 19 and the pressing device 7.

The first main clamping device 45 includes a plurality of first main clamping mechanisms 47 mounted on the main clamping beam 40 to move synchronously with the main clamping beam 40, and disposed in parallel left and right on a side close to the right rail seat 12. The clamp holders 48 are corresponding to the plurality of first main clamp mechanisms 47 one by one and used for mounting the first main clamp mechanisms 47. The clamp holders 48 are fixed to the bottom of the main clamp beam 40 at intervals.

The first main clamping mechanism 47 includes a pivot base 51, a turning base 52, an upper clamping jaw 53, a lower clamping jaw 54, and a first main clamping jaw opening and closing driving mechanism for driving the upper clamping jaw 53 to open and close relative to the lower clamping jaw 54.

The first main jaw opening and closing driving mechanism comprises an opening and closing air cylinder 63, an opening and closing air cylinder seat 64, a fisheye joint 65, a first connecting rod 66, a second connecting rod 67, a third connecting rod (not shown) and a shaft mounting seat 68. The fisheye joint 65 is fixed to a piston rod 70 of the opening and closing cylinder 63.

The first main clamping device 45 further includes a main turning mechanism for driving the turning seats 52 of the plurality of first main clamping mechanisms 47 to rotate within a predetermined angle. The main turnover mechanism is arranged between the main clamp beam 40 and the turnover seat 52. The main overturning mechanism comprises a driving rod 80, two sets of driving rod driving mechanisms arranged on the rear side surface of the main clamping beam 40, a driving rod mounting seat 81, a driving rod mounting seat 82, a driving rod mounting seat 83 and a first driving piece assembly for driving the overturning seat 52 of the first main clamping mechanism 47 to rotate in a certain angle. Each set of drive rod drive mechanism includes a main tilt cylinder 87

As shown in fig. 4, the second main clamp device 46 includes a clamp mounting plate 101 horizontally fixed to the bottom surface of the main clamp beam 40 and projecting rearward from the main clamp beam 40, a cylinder fixing plate 102 fixed to the bottom surface of the rear end of the clamp mounting plate 101, and three second main clamp mechanisms 103 mounted on the clamp mounting plate 101 in parallel left and right.

The second main clamping mechanism 103 has the same structure as the first main clamping mechanism 47.

The main moving turnover mechanism comprises a main clamp driving mechanism which drives the pivoting seat 104 to independently move forwards and backwards horizontally relative to the clamp mounting plate 101 and drives the turnover seat 105 to independently rotate within a set angle, a main clamp pivoting seat guide mechanism which is arranged between the pivoting seat 104 and the bottom surface of the clamp mounting plate 101 and guides the pivoting seat 104 when moving forwards and backwards horizontally, and a main clamp turnover seat guide mechanism which is arranged between the turnover seat 105 and the bottom surface of the clamp mounting plate 101 and guides the turnover seat 105 when turning over within the set angle; the pivoting base 104 is mounted on the clamp mounting plate 101 to be horizontally movable back and forth and suspended on the bottom surface of the clamp mounting plate 101 by a main clamp pivoting base guide mechanism.

The main tong drive mechanism includes a traveling rollover cylinder 111.

As shown in fig. 5, the auxiliary clamping and feeding device 21 includes an auxiliary clamp mounting seat 130, an auxiliary clamping and feeding mechanism installed between the auxiliary clamp mounting seat 130 and the outer side surface of the left guide rail seat 11 and driving the auxiliary clamp mounting seat 130 to horizontally move back and forth so as to feed, an auxiliary clamp guiding mechanism installed between the auxiliary clamp mounting seat 130 and the bottom surface of the left guide rail seat 11 and guiding the auxiliary clamp mounting seat 130 when horizontally moving back and forth, and an auxiliary clamp device 131 installed on the bottom surface of the auxiliary clamp mounting seat 130 and used for clamping the rear end of the sheet. The sub jig mounting base 130 is mounted on the left rail base 11 so as to be movable back and forth, and is suspended on the bottom surface of the left rail base 11 by a sub jig guide mechanism.

The secondary clamping feeding mechanism comprises a secondary clamping servo motor 132.

The sub-clamping device 131 includes two sub-clamping mechanisms 133, and a sub-movement/tilting mechanism that drives the sub-clamping mechanisms 133 to independently rotate within a set angle and independently move horizontally back and forth. The sub-clamping mechanism 133 of the sub-clamping device 131 is identical in structure and movement to the second main clamping mechanism 103 of the second main clamping device 46. The secondary moving and inverting mechanism is identical in structure and movement to the primary moving and inverting mechanism of the second primary jaw apparatus 46.

Example 1

As shown in fig. 6, a control system of a computer panel saw comprises a man-machine switching control unit, a Programmable Logic Controller (PLC) connected with the man-machine switching control unit in a bidirectional control manner through an ethernet, a data bus connected with the PLC, a feeding device control unit, a pushing device control unit, a front panel aligning device control unit, a main clamping and feeding device control unit, a sub clamping and feeding device control unit, a synchronizing device control unit, a side panel aligning device control unit, a pressing device control unit and a cutting device control unit, wherein the feeding device control unit, the pushing device control unit, the front panel aligning device control unit, the main clamping and feeding device control unit, the sub clamping and feeding device control unit, the synchronizing device control unit.

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

A Programmable Logic Controller (PLC) refers to a program control system of a computer numerical control machine tool. The programmable controller controls a feeding device control unit, a material pushing device control unit, a front plate aligning device control unit, a main clamping and feeding device control unit, a secondary clamping and feeding device control unit, a synchronizing device control unit, a side plate aligning device control unit, a material pressing device control unit and a cutting device control unit.

As shown in fig. 7, 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 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 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 a material pushing device movement control unit and two material pushing device lifting control units.

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 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 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 primary clamping and feeding device, and the pushing device can also push materials in the feeding process of the primary clamping and feeding device, and the working efficiency of the equipment is improved.

The pushing device lifting control unit controls the pushing lifting motor to move through an I/O module and a relay by a Programmable Logic Controller (PLC), drives a quantitative push plate device of the pushing device to rise to a certain height, simultaneously adopts a displacement sensor to accurately detect the thickness of a detected plate, inputs an analog quantity signal to the Programmable Logic Controller (PLC) through an AI module, and ensures that the feeding quantity of the feeding device meets the system setting. And when the quantitative plate pushing device is detected to be lifted to the thickness of the plate to be sawed, the feeding frame stops lifting. Two pushing devices of the pushing device control unit are respectively controlled by the corresponding pushing device lifting control unit, and the displacement sensor is used, so that the two sets of pushing devices can move more synchronously, and the movement is more reliable. The AI module is an analog signal input 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 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 a signal to the electromagnetic valve through an I/O module by a Programmable Logic Controller (PLC), the cylinder of the lifting control unit of the front alignment device is controlled to move forward or backward, and after the cylinder moves forward or backward in place, a detection signal of a corresponding induction switch is fed back to the Programmable Logic Controller (PLC), so that the function of front alignment of the plate and the function of avoiding when the plate needs to pass through the front alignment device are realized. Two induction switches are mounted on a cylinder of the front plate aligning device, so that the height of the front plate aligning device above a feeding plane of the feeding frame and the height of the front plate aligning device below the feeding plane of the feeding frame are determined, the front side of a plate is aligned when the front plate aligning device rises, and the feeding plane below the feeding frame is ensured to avoid interference with other devices when the front plate aligning device falls.

As shown in fig. 8, the master material clamping and feeding device control unit includes a master material clamping and feeding mechanism control unit bidirectionally controlled and connected in parallel to the data bus, a plurality of first master clamp mechanism control units and more than one second master clamp mechanism control units;

the structure, the connection mode and the control mode of the second main clamp mechanism clamping control unit are the same as those of the first main clamp mechanism clamping control unit.

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

The splicing position of the corresponding plate is close to the auxiliary clamping device, so that most of main clamping devices do not need to be avoided during cutting, and only the main clamping devices close to the auxiliary clamping device need to be turned over or even retreat for avoiding, so that the main clamping mechanism control units are divided into two groups, namely a first main clamping mechanism control unit and a second main clamping mechanism control unit, the first main clamping mechanism control unit only controls the turning of a plurality of first main clamping mechanisms by using two first main clamping mechanism turning control units, the using amount of the first main clamping mechanism turning control unit is greatly reduced, the installation and the cost are greatly simplified, the synchronous turning of the first main clamping mechanisms can be ensured, and the movement precision is improved.

A Programmable Logic Controller (PLC) sends a signal to an electromagnetic valve through an I/O module to control a main overturning cylinder to act, after the plate grabbing mechanical arm overturns in place, corresponding upper and lower limit inductive switches detect signals and feed the signals back to the Programmable Logic Controller (PLC), so that the highest and lowest positions of a first main clamping mechanism are determined, the first main clamping mechanism can accurately clamp a plate at the lowest position, the first main clamping mechanism can avoid interference with other devices at the highest position, and the safety and reliability of the plate grabbing mechanical arm overturning are ensured.

A Programmable Logic Controller (PLC) sends a signal to an electromagnetic valve through an I/O module, and controls a main clamping cylinder for clamping and grabbing the plate to act so as to realize clamping and releasing of the plate; the main clamping cylinder is not provided with an inductive switch, so that the upper clamp of the first main clamp mechanism can stay at any position, and plates with continuously variable widths can be clamped and clamped.

As shown in fig. 9, the control unit of the secondary clamping and feeding device comprises a control unit of a secondary clamping and feeding mechanism which is bidirectionally controlled and connected to a data bus in parallel and more than one control unit of a secondary clamping mechanism. The auxiliary clamp mechanism control unit comprises an auxiliary clamp mechanism clamping control unit and auxiliary clamp mechanism moving and overturning control units which correspond to the auxiliary clamp mechanism clamping control units one by one.

The auxiliary clamping feeding mechanism control unit comprises an I/O module, an auxiliary clamping servo driver and an auxiliary clamping servo motor, wherein the I/O module is connected with a data bus in a bidirectional control and parallel connection mode; the I/O module controls the auxiliary tool clamp servo driver in a one-way mode.

The auxiliary clamp mechanism moving and overturning control unit and the auxiliary clamp mechanism clamping control unit are respectively the same as the main and auxiliary clamp mechanism moving and overturning control unit and the main and auxiliary clamp mechanism clamping control unit in structure, connection mode and control mode.

The auxiliary clamping feeding mechanism control unit comprises an I/O module, an auxiliary clamping servo driver and an auxiliary clamping servo motor, wherein the I/O module is connected with the data bus in a bidirectional control and parallel connection mode; the I/O module controls the auxiliary tool clamp servo driver in a one-way mode.

The auxiliary clamping and feeding device control unit is provided with an independent auxiliary clamping and feeding mechanism control unit, so that all the auxiliary clamping mechanisms can synchronously feed independently of the first main clamping mechanism; each auxiliary clamp mechanism is provided with an independent auxiliary clamp mechanism moving and overturning control unit and an independent auxiliary clamp mechanism clamping control unit for controlling, so that each auxiliary clamp mechanism can independently overturn and independently clamp plates, when the main clamping feeding device and the auxiliary clamping feeding device asynchronously move to cut plates with different lengths at the same time, part of auxiliary clamp devices can overturn upwards and avoid the plates with different widths, and part of auxiliary clamp devices can overturn downwards and clamp the plates.

The synchronous device 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, a synchronous separation 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 synchronous separation 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 synchronous separation cylinder in a one-way mode.

The second main tong mechanism control unit and the auxiliary tong mechanism control unit comprise moving and overturning control units, so that the auxiliary tong mechanism of the auxiliary tong device can independently rotate and independently horizontally move back and forth within a set angle, and the second main tong device of the main tong device can independently rotate and independently horizontally move back and forth within the set angle, so that the upper and lower avoidance and the front and back avoidance can be better realized; therefore, under the condition of ensuring avoidance, the first main clamping device of the main clamping device can be turned over in a certain angle without moving horizontally back and forth relative to the main clamping beam independently, and can be turned over together without moving horizontally back and forth relative to the main clamping beam, so that the structure of the first main clamping device of the main clamping device is greatly simplified, and the cost is reduced.

A set of synchronizer is arranged between the main clamping and feeding device and the auxiliary clamping and feeding device, a synchronization separation cylinder for controlling the action of a synchronization rod is arranged on a synchronization device control unit for controlling the synchronizer, when the main feeding device and the auxiliary feeding device select a synchronization working mode, a Programmable Logic Controller (PLC) sends a signal to an electromagnetic valve through an I/O module to control the action of the synchronization separation cylinder, so as to drive the synchronization rod on the synchronizer to extend out, so that the main clamping and feeding device and the auxiliary clamping and feeding device are precisely mechanically connected, and the synchronous working of the main feeding device and the auxiliary feeding device is realized; when the main feeding device and the auxiliary feeding device select an asynchronous working mode, a Programmable Logic Controller (PLC) controls the synchronous separation cylinder to act to drive the synchronous rod of the synchronous device to retract, and the mechanical connection between the main clamping feeding device and the auxiliary clamping feeding device is disconnected, so that asynchronous working is realized. The two inductive switches detect the action signals of the synchronous separation air cylinder and feed back the signals to a Programmable Logic Controller (PLC), so that the extending or retracting distance of the synchronous rod is determined, and the safe action of the primary and secondary clamping and feeding devices during synchronization or separation is ensured.

As shown in fig. 10, the pressing device control unit includes two pressing device elevation 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 set of pressing device lifting control unit is provided with an air cylinder for controlling the lifting of the pressing beam. Programmable controller (PLC) send signal for the solenoid valve of control pressure roof beam lift cylinder, control pressure roof beam rises or descends, detects the response that the cylinder action targets in place and opens the detected signal and feed back to programmable controller (PLC), installs an inductive switch on press device lift control unit's the cylinder, enables press device stop in optional position to can appoint the pressure roof beam height that rises at every turn, need not rise to the top at every turn, can improve work efficiency, guarantee the security of pressure roof beam lift in-process.

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

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.

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 Logic Controller (PLC) sends a signal to a backup plate lifting electromagnetic valve to control the side backup plate to ascend or descend, the corresponding two inductive switches detect in-place signals and feed the signals back to the Programmable Logic Controller (PLC), 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 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.

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 Logic Controller (PLC), the auxiliary saw stepping driver controls an auxiliary saw stepping motor, the left position and the right position of the auxiliary saw are adjusted, and the adjustment is accurate.

The auxiliary saw up-down adjusting mechanism control unit sends signals to the intermediate relay through a 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 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 main work material clamping and feeding mechanism control unit, the auxiliary work material clamping and feeding mechanism control unit and the side aligning plate device moving control unit adopt servo driving systems, and a pulse control mode with accurate positioning is adopted between a Programmable Logic Controller (PLC) and each servo driver to control corresponding servo motors so as to realize accurate positioning movement.

To sum up, the utility model discloses a design is key in that, computer cut-to-size saw includes that the owner presss from both sides to send material device the control unit and vice worker presss from both sides to send material device the control unit, because increased vice worker and pressed from both sides to send material device the control unit, therefore only need one set of cutting device, saw cut with one time, can accomplish the panel of two kinds of different length and saw cut, makes efficiency can improve about the one time.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A control system of a computer panel saw comprises a Programmable Logic Controller (PLC), a data bus connected with the PLC, a material pushing device control unit, a front panel aligning device control unit, a material pressing device control unit and a cutting device control unit, wherein the material pushing device control unit, the front panel aligning device control unit, the material pressing device control unit and the cutting device control unit are bidirectionally controlled and connected to the data bus in parallel; the method is characterized in that: the bidirectional control device also comprises a main clamping and feeding device control unit and an auxiliary clamping and feeding device control unit which are connected to the data bus in parallel in a bidirectional control manner;

the master clamping and feeding device control unit comprises a master clamping and feeding mechanism control unit, a plurality of first master clamping mechanism control units and more than one second master clamping mechanism control unit, wherein the master clamping and feeding mechanism control units are bidirectionally controlled and connected to a data bus in parallel;

2. The control system of a computer panel saw as defined in claim 1, wherein: 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;

3. The control system of 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;

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.

4. The control system of a computer panel saw as defined in claim 1, wherein: the pressing device control unit comprises two pressing device lifting control units;

5. The control system of a computer panel saw as defined in claim 1, wherein: the control unit of the material pushing device comprises a material pushing device movement control unit and two material pushing device lifting control units;

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 a one-way mode;

6. The control system of a computer panel saw as defined in claim 1, wherein: the device also comprises a feeding device control unit which is bidirectionally controlled and connected to the data bus in parallel;

7. The control system of a computer panel saw as defined in claim 1, wherein: the device also comprises a control unit of a side alignment plate device which is bidirectionally controlled and connected to the data bus in parallel; the side aligning device control unit comprises two side aligning device lifting control units, a side aligning device movement control unit and a side aligning device aligning control unit;

8. The control system of a computer panel saw as defined in claim 1, wherein: the synchronous device control unit is connected with the data bus in a bidirectional control and parallel manner; the synchronous device 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, a synchronous separation 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 synchronous separation 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 synchronous separation cylinder in a one-way mode.

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

10. The control system of a computer panel saw as defined in claim 1, wherein: the system also comprises a man-machine exchange control unit which is in bidirectional control connection with a Programmable Logic Controller (PLC) through an Ethernet; 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.