CN110426993A - Automation gas nozzle docking system and its control method based on Zero-point positioning system - Google Patents
Automation gas nozzle docking system and its control method based on Zero-point positioning system Download PDFInfo
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- CN110426993A CN110426993A CN201910692067.9A CN201910692067A CN110426993A CN 110426993 A CN110426993 A CN 110426993A CN 201910692067 A CN201910692067 A CN 201910692067A CN 110426993 A CN110426993 A CN 110426993A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
- G05B19/4147—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by using a programmable interface controller [PIC]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34013—Servocontroller
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of automation gas nozzle docking system and its control method based on Zero-point positioning system, belong to the technical field of automated machine tool, by installing automation gas nozzle docking system on lathe, include cylinder, support frame, ratio adjusting valve, air pressure detection sensor, and module is expanded by I/O and is communicatively connected to master control PLC, and automatic opening program and Automatic-clamping program of the implantation based on Zero-point positioning system in machine tool numerical control system, has control stamper warrant stop of spindle, the ventilation of stamper gas nozzle automatic butt, it detects the opening of stamper or whether in place to clamp, gas nozzle such as is automatically separated at the functions, realize that the automation of Zero-point positioning system is integrated, to meet the quick change function of Zero-point positioning system.
Description
Technical field
The invention belongs to the technical field of automated machine tool, in particular to it is a kind of based on Zero-point positioning system from
Dynamicization gas nozzle docking system and its control method.
Background technique
In machine-building, measurement, lathe, robot automatic assembly line field, the application of Zero-point positioning system is extremely wide
It is general, and Zero-point positioning system is a unique positioning and locking device, it is able to maintain workpiece from a station to another station,
For one process to another process or a machine tool to another a machine tool, zero point remains constant.Therefore, zero-point positioning system
System is widely used in automation processing unit because of its characteristic with high-precision resetting and quick change function.
However the quick change function of Zero-point positioning system needs external industrial gas sources air blowing to realize, therefore Zero-point positioning system
Automation application is confined to the quick change of workpiece or tooling quick change and end picking-up device for robot on milling machine.On lathe, due to main shaft
High speed rotation, Zero-point positioning system are all made of the mode blown manually at present and realize quick change function, not yet realize automation.
To sum up, the technological deficiency based on existing Zero-point positioning system, it would be highly desirable to propose for Zero-point positioning system on lathe
Automatic improving method, to realize that automation of the Zero-point positioning system on lathe is integrated.
Summary of the invention
In consideration of it, in order to solve the above problems existing in the present technology, the purpose of the present invention is to provide one kind to be based on zero
The automation gas nozzle docking system and its control method of point positioning system can carry out the Zero-point positioning system of lathe with reaching
Optimizing Reconstruction realizes the automatic docking to gas nozzle, to meet the purpose of the quick change function of Zero-point positioning system.
The technical scheme adopted by the invention is as follows: a kind of automation gas nozzle docking system based on Zero-point positioning system, packet
It includes loaded on the stamper on machine tool chief axis, which is equipped with the first gas nozzle and the second gas nozzle, further includes loaded on the support on lathe
Frame is equipped with cylinder on support frame as described above, and the telescopic end assembly connection of the cylinder has cylinder to connect transition plates, and cylinder connects transition plates
On be connected with cylinder connector connecting plate；The cylinder connector connecting plate be equipped with respectively with the first gas nozzle and the second gas nozzle corresponding
The first air nozzle connector and the second air nozzle connector matched；Second air nozzle connector is connected with ratio adjusting valve and is equipped between the two
Air pressure detection sensor, ratio adjusting valve and the first air nozzle connector are communicated with industrial gas sources pipeline.
Further, the air pressure of the industrial gas sources pipeline is 0.6Mpa.
Further, the cylinder is equipped with the solenoid valve to the control of its stretching motion, and solenoid valve, air pressure detection pass
Sensor and ratio adjusting valve expand the master control PLC that module accesses lathe by I/O.
Further, the industrial gas sources pipeline is equipped with gas source solenoid valve.
Further, regulating tank and the fitting groove for being symmetrically set in regulating tank both ends are offered on the end face of support frame as described above,
Successively sliding is equipped with upper fixture block, cylinder assembling stand and lower fixture block in regulating tank, and upper fixture block and lower fixture block are equipped and drive it
The adjusting screw rod of sliding is connected with the cylinder on cylinder assembling stand.
A kind of control method of the automation gas nozzle docking system based on Zero-point positioning system, including pass through numerical control of machine tools system
System acquires multiple signals, and respectively opening signal, opening complete signal, clamping signal, clamp and complete signal, fault-signal, should
Control method the following steps are included:
(1) automatic opening program and Automatic-clamping program are write in machine tool numerical control system by M code；
(2) if executing automatic expansion action, the state for opening signal is switched to "Yes", and enter step (3)；If executing
Automatic-clamping movement, is switched to "Yes" for the state of clamping signal, then enters step (4)；
(3) judgement clamps the state for completing signal, if "Yes", is then called by machine tool numerical control system and opens journey automatically
Sequence, and enter step (3.1)；If "No", then machine tool numerical control system remains operational；
(3.1) control instruction is issued by machine tool numerical control system, executes warrant stop of spindle, connects industrial gas sources pipeline and cylinder
The movement of stretching, until automatic open the end of the program；
(3.2) in place whether detection is automatic opens, if in place, the state of fault-signal is "No", opens and complete signal
State be "Yes", clamp complete signal state be "No" and open signal state be "No"；If not in place, failure letter
Number state be "Yes"；
(4) state for completing signal is opened in judgement, if "Yes", then calls Automatic-clamping journey by machine tool numerical control system
Sequence, and enter step (4.1)；If "No", then machine tool numerical control system remains operational；
(4.1) control instruction is issued by machine tool numerical control system, execution closing industrial gas sources pipeline and cylinder bounce back dynamic
Make, until Automatic-clamping the end of the program；
(4.2) whether in place Automatic-clamping is detected, if in place, the state of fault-signal is "No", clamps and complete signal
State be "Yes", to open that complete the state of signal be the state of "No" and clamping signal be "No"；If not in place, failure letter
Number state be "Yes".
Further, postpone 30s gas supply in the step (3.1) after connecting industrial gas sources pipeline.
Further, through air pressure detection sensor feedback pressure information to machine tool numerical control system in the step (3.2), if
Atmospheric pressure value is greater than threshold value, then it represents that automatic to open in place；
Through air pressure detection sensor feedback pressure information to machine tool numerical control system in the step (3.2), if atmospheric pressure value is
0, then it represents that Automatic-clamping is in place.
Further, machine tool numerical control system is expanded into module by I/O and is connected to Exterior Communications System, to the opening
Signal opens and completes signal, clamping signal, clamps the signal transmission for completing signal and fault-signal.
The invention has the benefit that
1. the automation gas nozzle docking system disclosed in this invention based on Zero-point positioning system is used, by lathe
Upper installation cylinder realizes the automatic docking of gas nozzle, and the Set scale tune in the gas circuit of gas nozzle by the expanding-contracting action of cylinder
Valve is saved to be adjusted to air pressure, the detection to air pressure is being realized by setting air pressure detection sensor, it is fixed in zero point to realize
Integrated automation gas nozzle docking facilities in the system of position solve the defect that cannot achieve automation quick change function in the prior art, mention
The working efficiency of lathe is risen.
2. using the control method of the automation gas nozzle docking system disclosed in this invention based on Zero-point positioning system, In
In the control method, PLC control program is implanted into machine tool numerical control system, operation PLC control program realizes automatic expansion action
Or Automatic-clamping movement, the status information of the meeting each signaling point of real-time update, can guarantee Zero-point positioning system after operation
In open automatically and the normal execution of Automatic-clamping movement, operation logic is clearly reliable.
Detailed description of the invention
Fig. 1 is the overall structure signal of the automation gas nozzle docking system provided by the invention based on Zero-point positioning system
Figure；
Fig. 2 be in the automation gas nozzle docking system provided by the invention based on Zero-point positioning system support frame and cylinder it
Between assembling structure schematic diagram；
Fig. 3 is that the structure of support frame in the automation gas nozzle docking system provided by the invention based on Zero-point positioning system is shown
It is intended to；
Fig. 4 is the partial structurtes signal of the automation gas nozzle docking system provided by the invention based on Zero-point positioning system
Figure；
It is marked in attached drawing as follows:
Lathe -1, stamper -2, cylinder -3, support frame -4, cylinder connect transition plates -5, cylinder connector connecting plate -6, the first
Gas nozzle -7, the second gas nozzle -8, cylinder assembling stand -9, upper fixture block -10, lower fixture block -11, adjusting screw rod -12.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that indicating position or positional relationship is based on shown in attached drawings
The orientation or positional relationship invention product using when the orientation or positional relationship usually put or this field
Orientation or positional relationship that technical staff usually understands or the invention product using when the orientation usually put or position close
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second " is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used
The attached drawing in the concrete meaning type embodiment of above-mentioned term in the present invention is understood with concrete condition, in the embodiment of the present invention
Technical solution is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than complete
The embodiment in portion.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with a variety of different configurations
To arrange and design.
Embodiment 1
A kind of automation gas nozzle docking system based on Zero-point positioning system is specifically disclosed in the present embodiment, and zero point is fixed
Position system and the automation gas nozzle docking system are all based on the design of lathe 1, and in the prior art, Zero-point positioning system is logical
The separation of tooling or workpiece and stamper can be realized respectively by entering 0.6MPa industrial gas sources；Conversely, after disconnecting 0.6MPa industrial gas sources
The high-precision that can be realized tooling or workpiece and stamper clamps, and Zero-point positioning system belongs to existing equipment, and details are not described herein again.
As shown in Figure 1, Figure 2 and shown in Fig. 4, which includes loaded on the stamper 2 on machine tool chief axis, and stamper 2 belongs to
Mature component in Zero-point positioning system, which is provided with gas nozzle, in the case where gas nozzle ventilates or dies, pass through its internal gas
Road mechanism can be realized the clamping tooling inside stamper 2 and generate clamping or expansion action, in the present embodiment, to set on stamper 2
For having the first gas nozzle 7 and the second gas nozzle 8, wherein the first gas nozzle 7 is directly accessed 0.6Mpa industrial gas sources and the second gas nozzle 8 connects
Enter 0.2Mpa industrial gas sources, just can be realized the normal work of Zero-point positioning system.
Further include the support frame 4 being loaded on lathe, cylinder 3 is housed on support frame as described above 4, the telescopic end of the cylinder 3 assembles
It is connected with cylinder connection transition plates 5, is connected with cylinder connector connecting plate 6 in cylinder connection transition plates 5；The cylinder connector connection
Plate 6 be equipped with respectively with 8 connector of 7 connector of the first gas nozzle and the second gas nozzle of 8 Corresponding matching of the first gas nozzle 7 and the second gas nozzle, when
Cylinder 3 carry out extending action when, can be realized the first gas nozzle 7 and the second gas nozzle 8 respectively with 7 connector of the first gas nozzle and the second gas nozzle
The matching connection of 8 connectors；Second gas nozzle, 8 connector is connected with ratio adjusting valve and is equipped with air pressure detection sensor between the two,
Air pressure detection sensor is used to detect the intake pressure of 8 connector of the second gas nozzle, and ratio adjusting valve and 7 connector of the first gas nozzle are connected to
There is industrial gas sources pipeline, the other end of industrial gas sources pipeline is connected with the output end of industrial gas sources.To meet Zero-point positioning system
Normal work demand, the air pressure of the industrial gas sources pipeline is set as 0.6Mpa, due to 7 connector of the first gas nozzle directly with industry
Gas source pipeline connection, then the intake pressure of 7 connector of the first gas nozzle is then 0.6Mpa, and 8 connector of the second gas nozzle is through ratio adjusting valve
It is supplied, ratio adjusting valve makes it be adjusted to 0.2Mpa for regulating and controlling the admission pressure of 8 connector of the second gas nozzle.
The cylinder 3 is equipped with the solenoid valve to the control of its stretching motion, the stretching or search fortune of solenoid valve control cylinder 3
Dynamic is to belong to conventional control methods, and details are not described herein again.Solenoid valve, the air pressure detection sensor and ratio adjusting valve is logical
The master control PLC that I/O expands module access lathe is crossed, after master control PLC issues control instruction, controllable solenoid valve and ratio tune
Section valve acts accordingly, and air pressure detection sensor is then used to feed back barometric information to master control PLC.
Regulating tank and the fitting groove for being symmetrically set in regulating tank both ends are offered on the end face of support frame as described above 4, fitting groove is used
In reserved upper fixture block 10, the installation space of cylinder assembling stand 9 and lower fixture block 11, successively sliding is equipped with upper fixture block in regulating tank
10, cylinder assembling stand 9 and lower fixture block 11, and upper fixture block 10 and lower fixture block 11 are equipped with the adjusting screw rod 12 of its sliding of driving,
Assembly connection has the cylinder on cylinder assembling stand 9.Preferably, upper fixture block 10, cylinder assembling stand 9 and lower fixture block 11 and adjusting
The structure that dovetail groove is all made of between slot is assembled, to guarantee that upper fixture block 10, cylinder assembling stand 9 and lower fixture block 11 can adjusted
It is free to slide to save slot inside, and will not fall off phenomenon.
As shown in figure 3, in the specific implementation process, support frame 4 is fixedly connected on lathe through bolt in advance, then will be upper
Fixture block 10, cylinder assembling stand 9 and lower fixture block 11 are respectively assembled in regulating tank, by turning two adjusting screw rods 12, two tune
Section screw rod 12 promotes upper fixture block 10 and the position of lower fixture block 11 to move, to adjust the position of cylinder assembling stand 9, when cylinder fills
Two adjusting screw rods 12 are tightened after adjusting in position with seat 9, the position of cylinder assembling stand are fixed, the position of cylinder is also opposite
It is fixed, when cylinder makees stretch out motion, it can guarantee 8 connector of 7 connector of the first gas nozzle and the second gas nozzle on cylinder connector connecting plate 6
It just corresponding with the first gas nozzle 7 and the second gas nozzle 8 can dock, Zero-point positioning system is accessed in industrial gas sources.
In the present embodiment, it is the automatic butt for guaranteeing realization gas nozzle, needs that cylinder is made extending action in advance, adjust
On cylinder connector plate 7 connector of the first gas nozzle and 8 connector of the second gas nozzle just with the first gas nozzle 7 of Zero-point positioning system and the second gas
Mouth 8 docks, and records the warrant stop of spindle angle of lathe at this time, and standard is changed in machine tool numerical control system and stops angle parameter, to guarantee
When each warrant stop of spindle, rest on predeterminated position.
Embodiment 2
In the present embodiment, a kind of controlling party of automation gas nozzle docking system based on Zero-point positioning system is provided
Method is to carry out control operation based on the automation gas nozzle docking system provided in embodiment 1 based on Zero-point positioning system
, in the control method, multiple signals are acquired by machine tool numerical control system, respectively opening signal, opening complete signal, folder
Tight signal clamps and completes signal, fault-signal.Preferably, it will be opened up between machine tool numerical control system and Exterior Communications System by I/O
The I/O interface connection communication of exhibition module, and the opening signal, opening complete signal, clamping signal, clamp and complete signal and event
Barrier signal respectively corresponds 5 I/O points that I/O expands module.
Meanwhile the master control PLC in machine tool numerical control system issues control signal, executes following movement: warrant stop of spindle, gas respectively
Cylinder stretching, cylinders retract, detection clamp in place, detection open in place, connect industrial gas sources, disconnect industrial gas sources.It is above-mentioned each
Implantation is into master control PLC after the execution program of movement is all made of M code programming.
Wherein, cylinder stretches out and cylinder is retracted through control solenoid valve and realizes；
Detection clamps the pressure information for opening with detection fed back in place by air pressure detection sensor in place and carries out interpretation,
It is specific as follows: (a) to feed back pressure information to machine tool numerical control system, if atmospheric pressure value is greater than threshold value, table through air pressure detection sensor
Show automatic open in place；(b) pressure information is fed back to machine tool numerical control system through air pressure detection sensor in the step (3.2),
If atmospheric pressure value is 0, then it represents that Automatic-clamping is in place.
It connects industrial gas sources and disconnects industrial gas sources and realized by control gas source solenoid valve.
In the present embodiment, it is based on binary principle, to the opening signal, opens and completes signal, clamping signal, folder
The tight information transmission for completing signal and fault-signal, is indicated with " 1 " and " 0 ", such as: point where opening signal is " 1 ", then
It indicates to execute；Otherwise, it means that not executing.Opening point where completing signal is " 1 ", then it represents that movement is completed；Conversely, then table
Show that movement does not complete.Point where clamping signal is " 1 ", then it represents that is executed；Otherwise, it means that not executing.It clamps and completes signal
Place point is " 1 ", then it represents that movement is completed；Otherwise, it means that movement does not complete.Point where fault-signal is " 1 ", then table
Show failure, otherwise, it means that without failure.
The control method is specific as follows:
(1) automatic opening program and Automatic-clamping program are write in machine tool numerical control system by M code；
(2) if automatic expansion action need to be executed, (Exterior Communications System can be integrated with user's operation Exterior Communications System
Control host on lathe, is also possible to remote control table, herein with no restriction), the state of point where signal being opened
It is switched to " 1 ", and enters step (3)；If executing Automatic-clamping movement, user's operation Exterior Communications System, by clamping signal institute
It is switched to " 1 " in the state of point, then enters step (4)；
(3) judgement clamps the state for completing signal place point, if " 1 ", shows that current Zero-point positioning system is in folder
Tight completion status then calls automatic opening program by machine tool numerical control system, and enters step (3.1)；If " 0 ", show to locate
It is under pinching action state in Zero-point positioning system, then machine tool numerical control system keeps current operating conditions；
(3.1) control instruction is issued by machine tool numerical control system, control instruction is issued by master control PLC and executes main shaft standard
Stop, connect the movement that industrial gas sources pipeline and cylinder stretch out, until automatic open the end of the program；Preferably, work is being connected
Postpone 30s gas supply after industry gas source pipeline, time enough is reserved with the extending action to cylinder；
(3.2) in place whether detection is automatic opens, if in place, the state of point where fault-signal is that " 0 " (shows not
There are failures, can normally complete automatic expansion action), open complete signal where point state be " 1 " (show to work as leading zero
Point positioning system is in the state opened and completed), to clamp the state of point where completing signal be that " 0 " (shows that current zero point is fixed
Position system, which is not in, clamps completion status) and the state of point where opening signal be " 0 " (signal place point will be opened
State is restored to original state, when convenient for executing next automatic expansion action, can allow hand over its state as " 1 ")；If no
In place, then the state of point where fault-signal is " 1 " (showing there are failure, can not normally complete automatic expansion action)；
Preferably, pressure information is fed back to machine tool numerical control system through air pressure detection sensor, if atmospheric pressure value is greater than threshold value, threshold values is
180Mpa, then it represents that automatic to open in place.
(4) judge to open the state for completing signal place point, if " 1 ", show that current Zero-point positioning system is in and open
The state ended then calls Automatic-clamping program by machine tool numerical control system, and enters step (4.1)；If " 0 ", show
It is under expansion action state in Zero-point positioning system, then machine tool numerical control system keeps current state operation；
(4.1) control instruction is issued by machine tool numerical control system, execution closing industrial gas sources pipeline and cylinder bounce back dynamic
Make, until Automatic-clamping the end of the program；
(4.2) whether in place Automatic-clamping is detected, if in place, the state of point where fault-signal is that " 0 " (shows not
There are failure, Automatic-clamping movement can be normally completed), to clamp the state of point where completing signal be that " 1 " (shows to work as leading zero
Point positioning system is in the state for clamping and completing), to open the state of point where completing signal be that " 0 " (shows that current zero point is fixed
Position system, which is not in, opens completion status) and clamping signal where the state of point be " 0 " (with by clamping signal place point
State is restored to original state, when convenient for executing next Automatic-clamping movement, can allow hand over its state as " 1 ")；If no
In place, then the state of point where fault-signal is " 1 " (showing there are failure, can not normally complete Automatic-clamping movement).
Preferably, pressure information is fed back to machine tool numerical control system, if atmospheric pressure value is 0, then it represents that Automatic-clamping through air pressure detection sensor
In place.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (9)
1. a kind of automation gas nozzle docking system based on Zero-point positioning system, including loaded on the stamper on machine tool chief axis, the mother
Disk is equipped with the first gas nozzle and the second gas nozzle, which is characterized in that further includes the support frame being loaded on lathe, fills on support frame as described above
There is cylinder, the telescopic end assembly connection of the cylinder has cylinder to connect transition plates, is connected with cylinder connector in cylinder connection transition plates
Connecting plate；The cylinder connector connecting plate is equipped with the first air nozzle connector with the first gas nozzle and the second gas nozzle Corresponding matching respectively
With the second air nozzle connector；Second air nozzle connector is connected with ratio adjusting valve and is equipped with air pressure detection sensor between the two,
Ratio adjusting valve and the first air nozzle connector are communicated with industrial gas sources pipeline.
2. the automation gas nozzle docking system according to claim 1 based on Zero-point positioning system, which is characterized in that described
The air pressure of industrial gas sources pipeline is 0.6Mpa.
3. the automation gas nozzle docking system according to claim 1 based on Zero-point positioning system, which is characterized in that described
Cylinder is equipped with the solenoid valve to the control of its stretching motion, and solenoid valve, the air pressure detection sensor and ratio adjusting valve are logical
Cross the master control PLC that I/O expands module access lathe.
4. the automation gas nozzle docking system according to claim 1 based on Zero-point positioning system, which is characterized in that described
Industrial gas sources pipeline is equipped with gas source solenoid valve.
5. the automation gas nozzle docking system according to claim 1 based on Zero-point positioning system, which is characterized in that described
Regulating tank and the fitting groove for being symmetrically set in regulating tank both ends are offered on the end face of support frame, are successively slided in regulating tank equipped with upper
Fixture block, cylinder assembling stand and lower fixture block, and upper fixture block and lower fixture block are equipped with the adjusting screw rod of its sliding of driving, cylinder assembly
The cylinder is connected on seat.
6. a kind of control method of the automation gas nozzle docking system based on Zero-point positioning system, including pass through machine tool numerical control system
Multiple signals are acquired, respectively opening signal, opening complete signal, clamping signal, clamp and complete signal, fault-signal, special
Sign is that the control method is based on the automation gas nozzle pair as claimed in any one of claims 1 to 6 based on Zero-point positioning system
Welding system, the control method the following steps are included:
(1) automatic opening program and Automatic-clamping program are write in machine tool numerical control system by M code；
(2) if executing automatic expansion action, the state for opening signal is switched to "Yes", and enter step (3)；If executing automatic
The state of clamping signal is switched to "Yes", then enters step (4) by pinching action；
(3) judgement clamps the state for completing signal, if "Yes", is then called by machine tool numerical control system and opens program automatically, and
Enter step (3.1)；If "No", then machine tool numerical control system remains operational；
(3.1) control instruction is issued by machine tool numerical control system, executes warrant stop of spindle, connects industrial gas sources pipeline and cylinder stretching
Movement, until automatic open the end of the program；
(3.2) in place whether detection is automatic opens, if in place, the state of fault-signal is "No", opens the shape for completing signal
State be "Yes", clamp complete signal state be "No" and open signal state be "No"；If not in place, fault-signal
State is "Yes"；
(4) state for completing signal is opened in judgement, if "Yes", then calls Automatic-clamping program by machine tool numerical control system, and
Enter step (4.1)；If "No", then machine tool numerical control system remains operational；
(4.1) control instruction is issued by machine tool numerical control system, executes the movement for closing industrial gas sources pipeline and cylinder retraction, directly
To Automatic-clamping the end of the program；
(4.2) whether in place Automatic-clamping is detected, if in place, the state of fault-signal is "No", clamps the shape for completing signal
State is "Yes", to open that complete the state of signal be the state of "No" and clamping signal be "No"；If not in place, fault-signal
State is "Yes".
7. the control method of the automation gas nozzle docking system according to claim 6 based on Zero-point positioning system, special
Sign is, postpones 30s gas supply in the step (3.1) after connecting industrial gas sources pipeline.
8. the control method of the automation gas nozzle docking system according to claim 6 based on Zero-point positioning system, special
Sign is, through air pressure detection sensor feedback pressure information to machine tool numerical control system in the step (3.2), if atmospheric pressure value is greater than
Threshold value, then it represents that automatic to open in place；
Through air pressure detection sensor feedback pressure information to machine tool numerical control system in the step (3.2), if atmospheric pressure value is 0,
Indicate Automatic-clamping in place.
9. the control method of the automation gas nozzle docking system according to claim 6 based on Zero-point positioning system, special
Sign is, machine tool numerical control system is expanded module by I/O and is connected to Exterior Communications System, to the opening signal, opening
It completes signal, clamping signal, clamp the signal transmission for completing signal and fault-signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692067.9A CN110426993A (en) | 2019-07-30 | 2019-07-30 | Automation gas nozzle docking system and its control method based on Zero-point positioning system |
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