CN206657236U - Bow saw lathe automatic sawing, cutting baiting control device - Google Patents

Abstract

It the utility model is related to a kind of bow saw lathe automatic sawing, cutting baiting control device, including pneumatic control part, PLC hardware components, data storage and host computer.Pneumatic control part is used to realize to be acted to the left and right of sawing material, upper and lower pneumatic pinch/release, sawing clamping/release etc.；PLC hardware components are provided with button/detection switch, PLC and 5 groups of auxiliary reclays, and PLC hardware components are used to realize signal detection, transmission and control；Data storage is used for data storage information；Sawing control software is housed in host computer, if manually and automatically control model, the man-machine interaction operated to the blanking of bow saw lathe automatic sawing, cutting is realized by the touch operation screen interface of setting, by newly making or commonly setting up the present apparatus in old bow saw lathe, realize that sawing machine automatic cut-to-length, feeding, clamping, blank etc. operate.The present apparatus expands the sawing scope of hacksawing machine, improves its cutting-rate and reliability, is also suitable for automatically controlling for the lathe with sawing.

Description

Bow saw lathe automatic sawing, cutting baiting control device

Technical field

The utility model is related to a kind of saw-cutting machine tool from structural automatic sawing, cutting baiting control device, specifically by making new or When transforming common bow saw lathe, a kind of can realize to needing the automatic cut-to-length of sawing material, feeding, clamping, blank etc. is set up The bow saw lathe automatic sawing, cutting baiting control device of action.

Background technology

In mechanical processing industry, blanking is often the first procedure, is essential in standard component production, part processing , it is to improve the basis of part processing efficiency to improve blanking efficiency.The starting point of processing is cut in sawing as gold, it has also become part is processed During important integral link, accurate sawing can save material, reduce secondary operation amount and improve production efficiency, saw Cut lathe blanking and be widely used to the national economy such as steel, machinery, automobile, shipbuilding, oil, mine and Aero-Space and respectively lead Domain, the conventional sawing machine in the country mainly have circular saw bench, abrasive wheel cutting machine, hacksawing machine, band sawing machine.

Bow saw machine tool structure is simple in sawing machine, takes small, and cost is low, cost-effective, but common hacksawing machine is from opening Motivation bed, cutting length measure, is clamped to and starts sawing and be required for people to participate in, and after the completion of sawing, need to unclamp the action such as jaw again, Prepared for next sawing, sawing labor intensity is big；And hacksawing machine saw cutting speed can not adjust, cutting-rate is low；Hacksawing machine is sawed Bar narrow range is cut, situations such as card saw easily occurs.For shortcoming existing for bow saw lathe, there is an urgent need to transform it, The automatic control means and method for possessing modernization are allowed to, the runnings such as automation fixed length, feeding, clamping, blank is realized, improves saw Cut efficiency and reliability.

The content of the invention

The purpose of this utility model is problem existing for the existing bow saw machine tool technology to be solved, and provides a kind of adaptability By force, a kind of bow saw lathe automatic sawing, cutting baiting control device highly reliable, automaticity is high, and can be expanded using the device The sawing scope of saw-cutting machine tool from structural, improves its cutting-rate and reliability.

To reach above-mentioned purpose, the technical solution adopted in the utility model is：There is provided under a kind of bow saw lathe automatic sawing, cutting Expect control device, including pneumatic control part, PLC hardware components, data storage and host computer；

Described pneumatic control part is provided with source of the gas and the air cleaner concatenated by pipeline, pressure-reducing valve, lubricator, pressure Power table, 5 pneumatic control mechanisms are connected with the pipeline after pressure gauge；Described source of the gas supplies for whole pneumatic control part, Air cleaner, pressure-reducing valve, lubricator composition pneumatic triple piece, to purification filtering source of the gas and are decompressed to the specified supply of pressure gauge Bleed pressure, described 5 pneumatic control mechanisms be respectively left and right clamp pneumatic control mechanism, clamp pneumatic control machine up and down Structure, sawing clamp pneumatic control mechanism, support bar promotes pneumatic control mechanism, SAWING CONTROL pneumatic control mechanism；Described 5 Pneumatic control mechanism structure is identical, by two-position five-way solenoid directional control valve, rodless cavity one-way throttle valve, rod chamber one-way throttle Valve, single pole double-acting cylinder and muffler form, and have electromagnetic switch valve coil in each two-position five-way solenoid directional control valve；Pass through 5 pneumatic control mechanisms completions are clamped or unclamped to the left and right of sawing material, clamp up and down or release, sawing are clamped or unclamped, branch Strut is promoted or retracted, the operation that pneumatic control bow saw sawing arm is down or up；

Centered on PLC, PLC is connected described PLC hardware components by RS232 with host computer, PLC is connected with button/detection switch；PLC connects stepper motor by stepper motor driver；PLC is controlled Device connects the electromagnetic switch valve coil in 5 pneumatic control mechanisms by 5 auxiliary reclays, and 5 auxiliary reclays are respectively Auxiliary reclay connection left and right is clamped by left and right and clamps electromagnetic switch valve coil；By clamping auxiliary reclay connection up and down up and down Clamp electromagnetic switch valve coil；Auxiliary reclay is clamped by sawing and connects sawing clamping electromagnetic switch valve coil；Pass through support Bar promotes auxiliary reclay connection support bar to promote electromagnetic switch valve coil；Sawing control is connected by SAWING CONTROL auxiliary reclay Electromagnetic switch valve coil processed；Power switch in button/detection switch is used to open, stop bow saw lathe and control system, button/inspection Detection switch is used for the action for detecting stepper motor extreme position in slowdown monitoring switch；Stepper motor driver is used to drive stepping electric Machine；After PLC detects each switching value contact change, sending pulse rotates stepper motor driver Driving Stepping Motor Or output switch amount, the output point of PLC go to drive auxiliary reclay, the contact of auxiliary reclay is gone to drive two-position five-way Electromagnetic switch valve coil obtains electric or dead electricity, and then controls the commutation of two-position five-way solenoid directional control valve；

By USB connection host computers, data storage is used to store sawing date, sawing length described data storage Degree, the data message of sawing quantity；

Described host computer is communicated by RS232 and PLC, and being developed in host computer has automatic sawing, cutting control soft Part, and touching type operation interface is provided with host computer, i.e., man-machine interaction is realized by touch-screen, pass through the touch in host computer Operation button or arrange parameter are transferred to the operation of PLC control bow saw lathe automatic blanking on screen.

Described control device is provided with manual operation mode and automatic operation mode.

Described host computer touch screen operation interface is provided with left and right clamping/release button, upper and lower clamping/release button, Sawing clamping/release button, support bar promote/retracted button, sawing rise/fall button, automatic start indicator lamp, and reset refers to Show lamp, motor rotates forward button, rotates forward indicator lamp in place, motor reversal button, indicator lamp, feeding button, blank are grown in place for reversion Degree is set, and operates left and right clamping/release button therein, upper and lower clamping/release button, sawing clamping/release button, support bar Promote/retract button, sawing rise/fall button to be respectively used to realize left and right clamping/release bar, upper and lower clamping/release rod Material, sawing clamp/unclamp bar, promote/and retract support bar, sawing arm rise/fall；Described indicator lamp is used to indicate to operate State, operation motor, which rotates forward button, rotates forward stepper motor, and operation motor reversal button inverts stepper motor, and blank length is set The length for inputting sawing material is put, feeding button realizes manual feeding, and the length of feeding is the blank length set.

The utility model is automatic in a kind of bow saw lathe newly made or commonly set up in the automatic improving of bow saw lathe Sawing control device, realize that bow saw lathe automatic cut-to-length, feeding, clamping, blank etc. operate by using this control device, Have the characteristics that sawing scope is wide, efficiency high, automaticity are high, positioning precision is high.

Bow saw lathe automatic sawing, cutting baiting control device of the present utility model has the following advantages that：

(1), bow saw lathe automatic sawing, cutting baiting control device of the present utility model is simple to operate, may be selected manually and automatically Operator scheme, the automation mechanized operations such as scale, feeding, clamping, sawing are realized, can conveniently be entered by the operation to host computer touch-screen Row man-machine interaction and data storage, automaticity is high, cutting-rate is high.

(2), bow saw lathe automatic sawing, cutting baiting control device of the present utility model, realized using pneumatic control and clamp and push away Action, environmentally friendly, pollution-free, maintaining is convenient, is controlled in pneumatic control part loop using exhaust throttle, can change cylinder Piston retract and stretch out movement velocity, reduce impulsive force.

(3), bow saw lathe automatic sawing, cutting baiting control device of the present utility model, blank length can be configured, but due to Limited by rail length, blank length is less than or equal to 500mm, and maximum sawing diameter 300mm, the precision of blank is 1mm, described Length and diameter range in bar can be automatically performed sawing, sawing scope is wide.

(4), bow saw lathe automatic sawing, cutting baiting control device of the present utility model is adaptable and reliability is high, this dress Put and be also applied for setting up when a variety of saw-cutting machine tool from structural are newly being made or transformed, saw-cutting machine tool from structural integrated automation level can be improved.

Brief description of the drawings

Fig. 1 is the pneumatic control part structural representation in the utility model bow saw lathe automatic sawing, cutting baiting control device Figure.

Fig. 2 is the electrical structure block diagram of the utility model control device.

Fig. 3 is the host computer operation interface structural representation of the utility model control device.

Fig. 4 is the operating procedure schematic diagram of the automatic sawing, cutting blanking control in the utility model control device.

In above-mentioned figure：1-source of the gas, 2-air cleaner, 3-pressure-reducing valve, 4-lubricator, 5-pressure gauge, 6-left and right Pneumatic control mechanism is clamped, 6.1-left and right clamps solenoid directional control valve A, 6.2-rodless cavity one-way throttle valve A, 6.3-rod chamber One-way throttle valve A, 6.4-single pole double-acting cylinder A, 6.5-muffler A, 7-clamp pneumatic control mechanism up and down, 7.1-on Lower clamping solenoid directional control valve B, 7.2-rodless cavity one-way throttle valve B, 7.3-rod chamber one-way throttle valve B, 7.4-single pole double cropping With cylinder B, 7.5-muffler B, 8-sawing clamps pneumatic control mechanism, and 8.1-sawing clamps solenoid directional control valve C, 8.2-nothing Rod cavity one-way throttle valve C, 8.3-rod chamber one-way throttle valve C, 8.4-single pole double-acting cylinder C, 8.5-muffler C, 9- Support bar promotes pneumatic control mechanism, and 9.1-support bar promotes solenoid directional control valve D, 9.2-rodless cavity one-way throttle valve D, 9.3-rod chamber one-way throttle valve D, 9.4-single pole double-acting cylinder D, 9.5-muffler D, 10-SAWING CONTROL are pneumatically controlled Mechanism processed, 10.1-SAWING CONTROL solenoid directional control valve E, 10.2-rodless cavity one-way throttle valve E, 10.3-rod chamber one-way throttle Valve E, 10.4-single pole double-acting cylinder E, 10.5-muffler E, 11-data storage, 12-host computer, 13-button/inspection Slowdown monitoring switch, 14-PLC, 15-stepper motor driver, 16-stepper motor, 17-left and right clamp auxiliary reclay, 18-clamping auxiliary reclay up and down, 19-sawing clamps auxiliary reclay, and 20-support bar promotes auxiliary reclay, 21- SAWING CONTROL auxiliary reclay, 22-left and right clamp electromagnetic switch valve coil, 23-up and down clamp electromagnetic switch valve coil, 24- Sawing clamps electromagnetic switch valve coil, and 25-support bar promotes electromagnetic switch valve coil, 26-SAWING CONTROL solenoid directional control valve line Circle, 31-left and right clamping/release button, 32-up and down clamping/release button, 33-motor rotate forward button, 34-rotate forward in place Indicator lamp, indicator lamp, 36-motor reversal button, 37-blank length are set in place for 35-reversion, 38-feeding button, 39- Support bar promotes/retracted button, 40-homing light, 41-automatic start indicator lamp, 42-sawing rise/fall button, 43-sawing clamping/release button.

Embodiment

Bow saw lathe automatic sawing, cutting baiting control device of the present utility model is made with specific embodiment below in conjunction with the accompanying drawings Further illustrate, but implementation not limited to this of the present utility model.

Embodiment 1：The utility model provides a kind of bow saw lathe automatic sawing, cutting baiting control device, including pneumatic control portion Point, PLC hardware components, data storage 11 and host computer 12.

Described pneumatic control part, its structure is referring to Fig. 1.Pneumatic control part is provided with source of the gas 1 and concatenated by pipeline Air cleaner 2, pressure-reducing valve 3, lubricator 4, pressure gauge 5, be also associated with 5 pneumatic control machines on the pipeline after pressure gauge Structure；Described source of the gas 1 is that 5 pneumatic control mechanisms supply, and air cleaner 2, pressure-reducing valve 3, lubricator 4 form pneumatic three Part, supply to filtration, purification source of the gas 1 and the bleed pressure for being decompressed to 5 specified supply of pressure gauge.5 pneumatic control mechanisms It is that left and right clamps pneumatic control mechanism 6, clamps pneumatic control mechanism 7, sawing clamping pneumatic control mechanism 8, support up and down respectively Bar promotes pneumatic control mechanism 9, SAWING CONTROL pneumatic control mechanism 10；5 described pneumatic control mechanism structures are identical, by Solenoid directional control valve, rodless cavity one-way throttle valve, rod chamber one-way throttle valve, single pole double-acting cylinder and the noise reduction of two-position five-way formula Device forms, and has electromagnetic switch valve coil in each two-position five-way solenoid directional control valve.

Described left and right clamps pneumatic control mechanism 6 and is provided with left and right clamping solenoid directional control valve A6.1, rodless cavity one-way throttle Valve A6.2, rod chamber one-way throttle valve A6.3, single pole double-acting cylinder A6.4 and muffler A6.5；When left and right clamps pneumatic control When the left and right that the left and right of mechanism 6 processed is clamped in solenoid directional control valve A6.1 clamps the energization of electromagnetic switch valve coil 22, left and right clamps electricity Magnetic reversal valve A6.1 left position work, single pole double-acting cylinder A6.4 rodless cavity air inlets, single pole double-acting cylinder A6.4 piston Stretch out, promote pressing plate to clamp bar or so, when left and right, which clamps electromagnetic switch valve coil 22, to be powered off, left and right clamps electromagnetic switch Valve A6.1 right position work, single pole double-acting cylinder A6.4 rod chamber air inlets, the piston of single pole double-acting cylinder are retracted, and promote pressure Plate unclamps bar or so, is controlled in pneumatic circuit using exhaust throttle, can be by adjusting rodless cavity one-way throttle valve A6.2, having The aperture of choke valve in rod cavity one-way throttle valve A6.3, the movement velocity that cylinder piston is retracted and stretched out, this gas can be changed Dynamic control mode, piston is stable, reduces impulsive force.

The same pneumatic control mechanism 7 that clamps up and down clamps solenoid directional control valve B7.1, rodless cavity one-way throttle valve provided with upper and lower B7.2, rod chamber one-way throttle valve B7.3, single pole double-acting cylinder B7.4, muffler B7.5；Sawing clamps pneumatic control mechanism 8 It is double that solenoid directional control valve C8.1, rodless cavity one-way throttle valve C8.2, rod chamber one-way throttle valve C 8.3, single pole are clamped provided with sawing Active cylinder C8.4, muffler C 8.5；Support bar promote pneumatic control mechanism 9 be provided with support bar promote solenoid directional control valve D9.1, Rodless cavity one-way throttle valve D9.2, rod chamber one-way throttle valve D9.3, single pole double-acting cylinder D9.4, muffler D9.5；Sawing Pneumatic control mechanism 10 is controlled to be provided with SAWING CONTROL solenoid directional control valve E10.1, rodless cavity one-way throttle valve E10.2, rod chamber list To choke valve E10.3, single pole double-acting cylinder E10.4, muffler E10.5；The control process of this 4 pneumatic control mechanisms and a left side Right clamping pneumatic control mechanism 6 is similar.

Completed by above-mentioned 5 pneumatic control mechanisms to sawing bar or so clamping or unclamp, clamp up and down or unclamp, saw Cut clamping or release, support bar are promoted or retracted, the operation that bow saw sawing arm is down or up.

Referring to Fig. 2, centered on PLC 14, PLC is connected described PLC hardware components by RS232 Host computer 12；PLC is connected with button/detection switch 13；PLC is connected by stepper motor driver 15 and walked Stepper motor 16；PLC connects the electromagnetic switch valve coil in 5 pneumatic control mechanisms by 5 auxiliary reclays, 5 Auxiliary reclay is to clamp auxiliary reclay 17 by left and right to connect left and right clamping electromagnetic switch valve coil 22 respectively；By pressing from both sides up and down Tight auxiliary reclay 18 connects clamps electromagnetic switch valve coil 23 up and down；Auxiliary reclay 19 is clamped by sawing and connects sawing folder Tight electromagnetic switch valve coil 24；The connection support bar of auxiliary reclay 20 is promoted to promote electromagnetic switch valve coil 25 by support bar； SAWING CONTROL electromagnetic switch valve coil 26 is connected by SAWING CONTROL auxiliary reclay 21；Button/detection switch 13 is used for start and stop Action, the PLC 14 such as equipment and the detection extreme position of stepper motor 16 are communicated by RS232 and host computer, passed through Arrange parameter or operation are transferred in PLC hardware components on host computer 12, and PLC 14 detects each switching value contact After change, send pulse make the Driving Stepping Motor 16 of stepper motor driver 15 rotate or output switch amount control two-position five-way Each electromagnetic switch valve coil break-make of formula, the output point of PLC controllers 14 remove to drive respectively each auxiliary reclay, each centre after The contact of electrical equipment is then gone to drive two-position five-way formula electromagnetic switch valve coil to obtain electric or dead electricity, and then controls two-position five-way formula electromagnetism to change Commutated to valve.

By USB connections host computer 12, data storage is used for storing sawing date, sawing described data storage 11 The information data of length, sawing quantity.

Described host computer 12 is communicated by RS232 and PLC, and being developed in host computer has automatic sawing, cutting control Software, and touching type operation interface is provided with host computer, i.e., man-machine interaction is realized by touch-screen, pass through touching in host computer Touch the upper operation button of screen or arrange parameter is transferred to the operation of PLC control bow saw lathe automatic blanking.

The touch screen interface structure of described host computer 12, referring to Fig. 3.Left and right clamping/release button 31 is provided with, up and down Clamping/release button 32, sawing clamping/release button 43, support bar promote/retracted button 39, sawing rise/fall button 42, automatic start indicator lamp 41, homing light 40, motor rotating forward button 33, rotate forward indicator lamp 34 in place, motor reversal button 36, indicator lamp 35, feeding button 38, blank length set 37 in place for reversion.Wherein left and right clamping/release button 31, up and down folder It is tight loose drive button 32, sawing clamping/release button 43, support bar promote/retracts button 39, sawing rise/fall button 42, This 5 buttons are corresponding with 5 pneumatic control mechanisms, respectively operate can be achieved left and right clamping/release bar, press from both sides up and down it is tight loose Open bar, sawing clamps/unclamp bar, promote/retracts support bar, bow saw sawing arm rise/fall.Indicator lamp is mainly to operation State is indicated that motor rotates forward the operation stepper motor 16 of button 33 and rotated forward, and it is anti-that motor reversal button 36 operates stepper motor 16 Turn, blank length sets 37 length that can input blank, and due to being limited by rail length, blank length is less than or equal to 500mm, send Material button 38 realizes manual feeding, and the length of feeding is also the blank length of setting.

Embodiment 2：The bow saw lathe automatic sawing, cutting baiting control device provided using the utility model embodiment 1, automatically The operating procedure of sawing control is as shown in Figure 4：

Step (1), control model judge：After control device start, all execution units are reset to initially in bow saw lathe Position, the connected contacts status of the Detection ＆ Controling patten transformation buttons of button/detection switch 13 of PLC hardware components, if button/ Detection switch is in manual mode state, then the software installed in host computer makes control device enter manual mode, by upper Touch-screen on the machine 12 of position presses the stretching of each cylinder of required button control and the operation retracted, and passes through stepper motor 16 Operation realizes that feeding is run, if button/detection switch is in automatic mode state, the software installed in host computer enters certainly Dynamic model formula, and complete to set the operation of the length of required sawing material.

Step (2), self-feeding：After opening automatic mode, pneumatic control mechanism 7 is clamped up and down and controls single pole double acting gas Cylinder B clamps bar about 7.4, left and right clamps pneumatic control mechanism 6 and controls single pole double-acting cylinder A 6.4 or so to clamp bar, Stepper motor 16 rotates forward the position that bar is transported to the setting of blank length, and after transporting in place, sawing clamps pneumatic control mechanism 8 The sawings of single pole double-acting cylinder C 8.4 are controlled to clamp bar.

Step (3), sawing prepare：Power needed for being clamped during due to sawing to bar is larger, if bar, bar can not be clamped Easy play causes saw blade to be broken, therefore the position clamped before sawing by bar or so and up and down is close proximity to the position of sawing point Put, avoid bar play；Before sawing, single pole double-acting cylinder A 6.4, single pole double-acting cylinder B 7.4 first unclamp bar, stepping After motor 16 moves to extreme position, single pole double-acting cylinder A 6.4, single pole double-acting cylinder B 7.4 clamp bar again, support Bar promotes pneumatic control mechanism 9 to control single pole double-acting cylinder D 9.4 to promote support bar, and it is valid to decline sawing for bow saw sawing arm It is standby.

Step (4), automatic sawing, cutting：After sawing is ready to complete, SAWING CONTROL pneumatic control mechanism 10 controls single pole double acting gas Cylinder E 10.4 promotes SAWING CONTROL handle, and saw bow sawing arm begins to decline carry out sawing, and saw bow sawing arm drops to extreme position Afterwards, the mechanical stroke switch in button/detection switch 13 is touched, SAWING CONTROL pneumatic control mechanism 10 controls single pole double acting Cylinder E 10.4 pulls SAWING CONTROL handle, and saw bow sawing arm is begun to ramp up, and sawing execution unit resets.

Bow saw lathe automatic sawing, cutting baiting control device of the present utility model is adaptable and reliability is high, make new or Saw-cutting machine tool from structural integrated automation level can be improved to setting up this control device in common bow saw machine reformation.The present apparatus is also suitable for Newly make or transform popularization and application in a variety of saw-cutting machine tool from structural.

Claims (3)

1. a kind of bow saw lathe automatic sawing, cutting baiting control device, including pneumatic control part, PLC hardware components, data storage Device and host computer；It is characterized in that：

Described pneumatic control part is provided with source of the gas and the air cleaner concatenated by pipeline, pressure-reducing valve, lubricator, pressure Table, 5 pneumatic control mechanisms are connected with the pipeline after pressure gauge；Described source of the gas supplies for whole pneumatic control part, empty Air filter, pressure-reducing valve, lubricator composition pneumatic triple piece, to purification filtering source of the gas and are decompressed to the specified supply of pressure gauge Bleed pressure, described 5 pneumatic control mechanisms are that left and right clamps pneumatic control mechanism respectively, clamp pneumatic control machine up and down Structure, sawing clamp pneumatic control mechanism, support bar promotes pneumatic control mechanism, SAWING CONTROL pneumatic control mechanism；Described 5 Pneumatic control mechanism structure is identical, by two-position five-way solenoid directional control valve, rodless cavity one-way throttle valve, rod chamber one-way throttle Valve, single pole double-acting cylinder and muffler form, and have electromagnetic switch valve coil in each two-position five-way solenoid directional control valve；Pass through 5 pneumatic control mechanisms completions are clamped or unclamped to the left and right of sawing material, clamp up and down or release, sawing are clamped or unclamped, branch Strut is promoted or retracted, the operation that pneumatic control bow saw sawing arm is down or up；

Centered on PLC, PLC is connected described PLC hardware components by RS232 with host computer, PLC controls Device is connected with button/detection switch；PLC connects stepper motor by stepper motor driver；PLC passes through 5 Individual auxiliary reclay connects the electromagnetic switch valve coil in 5 pneumatic control mechanisms, and 5 auxiliary reclays are pressed from both sides by left and right respectively Tight auxiliary reclay connection left and right clamps electromagnetic switch valve coil；Electromagnetism is clamped up and down by clamping auxiliary reclay connection up and down Commutate valve coil；Auxiliary reclay is clamped by sawing and connects sawing clamping electromagnetic switch valve coil；In being promoted by support bar Between relay connection support bar promote electromagnetic switch valve coil；SAWING CONTROL electromagnetism is connected by SAWING CONTROL auxiliary reclay to change To valve coil；Power switch in button/detection switch is used to opening, stop bow saw lathe and control system, in button/detection switch Detection switch is used for the action for detecting stepper motor extreme position；Stepper motor driver is used for Driving Stepping Motor；PLC is controlled After device detects each switching value contact change, sending pulse makes the rotation of stepper motor driver Driving Stepping Motor or output switch Amount, the output point of PLC go to drive auxiliary reclay, and the contact of auxiliary reclay is gone to drive two-position five-way solenoid directional control valve Coil obtains electric or dead electricity, and then controls the commutation of two-position five-way solenoid directional control valve；

By USB connection host computers, data storage is used to store sawing date, sawing length, saw described data storage Cut the data message of quantity；

Described host computer is communicated by RS232 and PLC, and being developed in host computer has automatic sawing, cutting control software, And touching type operation interface is provided with host computer, i.e., man-machine interaction is realized by touch-screen, pass through the touch-screen in host computer Upper operation button or arrange parameter are transferred to the operation of PLC control bow saw lathe automatic blanking.

2. bow saw lathe automatic sawing, cutting baiting control device according to claim 1, it is characterised in that：Described control dress Manual operation mode and automatic operation mode are installed.

3. bow saw lathe automatic sawing, cutting baiting control device according to claim 1, it is characterised in that：Described host computer Touch screen operation interface is provided with left and right clamping/release button, upper and lower clamping/release button, sawing clamping/release button, branch Strut promotes/retracted button, sawing rise/fall button, automatic start indicator lamp, homing light, and motor rotates forward button, just An indicator lamp is gone to, motor reversal button, indicator lamp, feeding button, blank length are set in place for reversion, operate left and right therein Clamping/release button, upper and lower clamping/release button, sawing clamping/release button, support bar promote/retract button, in sawing Liter/decline button be respectively used to realize left and right clamping/release bar, upper and lower clamping/release bar, sawing clamp/unclamp bar, Promote/retract support bar, sawing arm rise/fall；Described indicator lamp is used to indicate mode of operation, and operation motor rotates forward button Rotate forward stepper motor, operation motor reversal button inverts stepper motor, and blank length is provided for inputting the length of sawing material Degree, feeding button realize manual feeding, and the length of feeding is the blank length set.