CN105537561B - A kind of mold spray painting control method - Google Patents
A kind of mold spray painting control method Download PDFInfo
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- CN105537561B CN105537561B CN201510936048.8A CN201510936048A CN105537561B CN 105537561 B CN105537561 B CN 105537561B CN 201510936048 A CN201510936048 A CN 201510936048A CN 105537561 B CN105537561 B CN 105537561B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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Abstract
This patent application discloses a kind of mold spray painting control methods, which is characterized in that mode is as follows: 1) setting system parameter by man-machine interface, set the operating mode of mold spray module and mold cooling water module；2) operating state data that PLC control module is transmitted by die casting machine to it, judge whether die casting machine works normally, so that it is determined that the spray pattern of mold spray module: if a. die casting machine works normally, then mold spray module is by setting flow spraying, mold is in set temperature normal work, normally produces qualified products；If b. die casting machine abnormal work, PLC control module controls mold spray module and adjusts quantity for spray.
Description
Technical field
The present invention relates to die casting spraying technology fields, and in particular to a kind of mold spray painting control method.
Background technique
Die-casting process is that by molten metal, the accurate metal die type of indentation is intracavitary at a high speed using high pressure, and molten metal is made in pressure
Casting is formed with lower cooled and solidified.The advantage of die-casting process is the gold that can manufacture complex-shaped, the clear-cut deep chamber of thin-walled
Belong to part, and the utilization rate of material is high.In press casting procedure, spraying is a very crucial link, it can effectively be avoided
Die casting and compression mod soldering, the part for keeping compression mod easy to wear have greasy property at high temperature, when reducing die casting ejection
Frictional resistance, prevent sticking to mould, and play cooling effect and avoid compression mod excessively heated.
Existing mold spray painting control method, often has the following problems: 1. using opened loop control, i.e. control system
System control spray equipment the spray time period be it is fixed, spray time can not carry out phase according to the temperature change of mold
It should adjust, cold and detached substandard product rate is higher；The flow of die casting machine cooling water can not be according to the production status of die casting machine (when shutdown
Between, continuous production time and die casting number of packages) be adjusted, once the dosage of cooling water is excessive or insufficient, will directly influence
The molding of casting causes the substandard product of die casting to increase, while can also reduce the service life of die casting.2. existing die casting
What the temperature detection of machine generallyd use is temperature sensor, but due to the bad environments of die casting machine work, temperature sensor inspection
The error of survey is often larger, leads to the temperature controlled inaccuracy of die casting.
Summary of the invention
The invention is intended to provide a kind of quantity for spray and cooling water flow of can adjusting in real time according to the working condition of die casting machine
Mold spray painting control method.
Mold spray painting control method in the present invention program is as follows:
1) system parameter is set by man-machine interface, sets the Working mould of mold spray module and mold cooling water module
Formula；
2) operating state data that PLC control module is transmitted by die casting machine to it, judges whether die casting machine works normally,
So that it is determined that the spray pattern of mold spray module:
If a. die casting machine works normally, for mold spray module by setting flow spraying, it is normal that mold is in set temperature
Work, normally produces qualified products；
If b. die casting machine abnormal work, PLC control module controls mold spray module and adjusts quantity for spray.
The advantage of the present invention program is: the 1. mold spray painting control methods use semi-closed loop system, by die casting machine
The real-time detection of operating state data, to judge the exception of die casting machine work, so that the quantity for spray of mold spray module is controlled, this
Kind mode can substantially shorten time of the die casting machine by cold conditions to normal production status, reduce substandard product part to greatest extent
Number improves product qualification rate, improving production efficiency.2. system is by acquisition die casting machine operating state data, to judge die casting machine
Whether operation irregularity, and then mold temperature is adjusted by adjusting mold quantity for spray and cooling water flow, avoids disliking in die casting machine
Under bad working environment, directly big using error existing for temperature sensor acquisition mold temperature information, temperature adjusts inaccuracy
The problem of.
Further, further include the control of mold cooling water module in step 2, PLC control module by die casting machine to its
The operating state data of transmission, judges whether die casting machine works normally, so that it is determined that the operating mode of mold cooling water module:
If a. die casting machine works normally, mold cooling water module is being in set temperature just by setting traffic flow, mold
Often work, normally produces qualified products；
If b. die casting machine abnormal work, PLC control module controls mold cooling water module and adjusts cooling water flow.
By the real-time detection to die casting machine operating state data, to judge the exception of die casting machine work, to control mould
Have cooling water module cooling water flow, can avoid because cooling water use it is excessive or very few, and influence die casting molding and
Demoulding.
Further, if die casting machine cancel closedown, PLC control module controls mold cooling water module and reduces cooling water flow
Amount.The working method of mold cooling water module is: mold thermal coefficient is set in man-machine interface；Mould is set in man-machine interface
Have cooling water and is opened and closed condition；PLC control module calculates cooling water service time；PLC control module detects die casting machine downtime
With die casting machine die casting number of packages；Through cooling water service time, die casting machine downtime compared with die casting machine die casting number of packages, control
The on-off of cooling water solenoid valve.Such control mode, can be according to die casting machine working condition, to the stream of the cooling water in inflow mold
Amount is adjusted, to mold can be made to be rapidly heated in die casting machine cancel closedown, restores to normal working temperature, reduces life
The substandard product of production.
Mold thermal coefficient is set in man-machine interface, is the variation due to environment temperature, such as summer and winter are not
Together, the cooling velocity of mold can be made to generate difference, therefore summer can be made different with the open and close time of winter cooling water.
Described cooling water service time, die casting machine downtime are compared with die casting machine die casting number of packages in this programme
Refer to: when die casting machine cancel closedown is more than certain time, then closing the cooling water of side, decline mold temperature slowly；It is pressing
Casting machine is reworked after certain time or die casting certain amount product, and mold temperature has gone back up to specified value, then is reopened
The mold cooling water of this side.
Further, if die casting machine cancel closedown, PLC control module controls mold spray module and reduces quantity for spray.If inspection
It measures die casting machine and generates cancel closedown, when mold temperature is lower, PLC control module controls the quantity for spray also phase of mold spray module
The reduction answered, so that mold be made to be rapidly heated to the temperature value of normal production status, then constant quantity for spray, makes mold keep temperature
Constant normal production is spent, substantially shortens die casting machine by cold conditions to the time of normal production status.
Further, mold spray module uses coating robot coats, and the working method of spray robot is:
1) spray robot starts, and spray robot is located at origin position；
2) spray robot is in spraying and waits position；
3) whether PLC control module allows to spray signal to spray robot sending:
A. if so, control spray robot moves to die casting machine cover half spraying point；
B. if it is not, then returning to spray robot origin；
4) whether PLC control module allows cover half to spray signal to spray robot sending:
A. it if so, carrying out cover half spraying point flow rate calculation, and controls cover half spraying solenoid valve and opens, carry out cover half spray
It applies, after active and inactive mold spraying, purge from active and inactive mold, after active and inactive mold purging, enter the spray of die casting machine dynamic model
Whether paint point, PLC control module allow dynamic model to spray signal to spray robot sending:
A) it if so, carrying out dynamic model spraying point flow rate calculation, opens dynamic model and sprays solenoid valve, carry out automatic dynamic model spraying,
After dynamic model sprays, automatic dynamic model purging is carried out, after dynamic model purges, returns to spray robot origin；
B) if it is not, under automatic mode, robot returns to flush coater under spray robot origin or manual mode after waiting 3S
Device people can stop acting, and rest on spraying point position, complete replacement nozzle in spraying point position, nozzle angle and flow adjust work
Make, sprayed again after the completion of debugging, and feedback dynamic model spraying is manually operated and completes signal, then auto-returned is former for spray robot
Point.
B. if it is not, return spray robot origin or manual operation control spray robot stop moving after waiting 3S automatically
Make, and spray robot is debugged, sprayed again after the completion of debugging, and feedback dynamic model spraying is manually operated and completes letter
Number, die casting machine dynamic model spraying point position is entered back into, repeat the above steps a and b.
Using spray robot, spray efficiency not only can be improved, realize that intelligence sprays, and such spray robot
Control mode, after spray robot reaches spraying point, system can carry out automatically flow rate calculation according to die casting machine operating status, thus
The adjusting of spraying flow can be carried out according to the working condition of die casting machine.And using the mode automatically and manually switched, once it sprays
It applies robot to break down, spray robot can be made to work normally, design more human nature by debugging spray robot manually
Change.
Further, mold spray module is sprayed using the nozzle that can automatically adjust quantity for spray, the work of the nozzle
Mode is: swivel nozzle body adjusts position of the nozzle body on ball cup, and nozzle body drives spray head to move together, nozzle position
Variation makes the elastic element elastic force between spray head coating material passage and unidirectional valve ball change, the variation of elastic element elastic force
The aperture between unidirectional valve ball and feed inlet is set to change.The above-mentioned working method of nozzle can realize the automatic adjustment of flow.
Further, the spraying method of coating and air is in nozzle: high speed compression sky is passed through from the air intake of nozzle
Gas, which, which enters vacuum chamber through the first groove on nozzle and form jet stream at vacuum chamber and generate volume and inhale, makees
With under Involving velocity, the air in vacuum chamber is constantly siphoned away by volume, and the pressure in vacuum chamber is made to be down to atmospheric pressure or less and shape
At certain vacuum degree, coating is adsorbed to the two sides of nozzle body diffusion chamber, so that coating is formed diffusion, coating is sprayed out of nozzle body
Out, the uniform misty covering of the fan for making coating form high speed sprays to mold, quickly takes away heat.Mold can be made to reach through the above way
The purpose of better cooling and shape film.
Further, the spraying method that mold spray module uses is interval alternating spray.Spraying method is using interval alternating
Spraying method avoids the spraying blind area that jet stream asthma flow phenomenon generates.
Detailed description of the invention
Fig. 1 is the structural block diagram of mold paint finishing embodiment in the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of spray robot in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram that frame is sprayed in Fig. 2.
It is nozzle and the mounting structure schematic diagram for spraying frame that Fig. 4, which is in Fig. 3,.
Fig. 5 is the structural schematic diagram of nozzle in Fig. 4.
Fig. 6 is the structural schematic diagram of ball cup in Fig. 5.
Fig. 7 is the structural schematic diagram of nozzle body in Fig. 5.
Fig. 8 is the structural schematic diagram of spray head in Fig. 5.
Fig. 9 is the flow chart of inventive die spray painting control embodiment of the method.
Figure 10 is the work flow diagram of spray robot in Fig. 9 embodiment.
Figure 11 is the block diagram of inventive die spray module.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Mold paint finishing as shown in Fig. 1: including PLC control module, man-machine interface, the input of die casting machine working condition
Module, spray robot module, mold spraying flow-control module and mold cooling water control module.Man-machine interface and PLC are controlled
The connection of molding block one-way communication, die casting machine working condition input module and PLC control module one-way communication, spray robot module
With PLC control module two-way communication, mold sprays flow-control module and PLC control module one-way communication, mold cooling water control
Molding block and PLC control module one-way communication.
The present embodiment PLC control module includes die casting machine working condition detection part, die casting machine abnormality determining portion, spraying
Measure calculating section, cooling water flow calculating section, the storage of data and recovered part, automatically and manually switching part, report life
Alarm portion is operating abnormally at part, the addition of user and deletion part and system；
Man-machine interface is used for the setting of system parameter, the monitoring of system running state, the typing of data and event；Die casting machine
Working condition input module is used to give the work state information real-time Transmission of die casting machine to PLC control module；The inspection of PLC control module
The working condition for measuring die casting machine judges the exception of die casting machine work, to control the spraying flow and cooling water of die lubricant
Flow.
PLC control module is used to control the operation of spray robot module, while spray robot module controls mould to PLC
Block feeds back the work state information of its operation.
PLC control module judges the exception of die casting machine work, to adjust according to the die casting machine work state information of detection
The quantity for spray of mold spraying flow-control module.Specifically, the spraying that mold spraying flow-control module uses in the present embodiment
Mode is interval alternating spray, and mold spraying flow-control module includes the spraying electromagnetism by PLC control module control gating
Valve island and the spraying Pneumatic valve that control is corresponded to by each solenoid valve in spraying electromagnetism valve island, mold spray flow-control module also
Including the air blowing electromagnetism valve island by PLC control module control gating and by the corresponding control of each solenoid valve in air blowing electromagnetism valve island
The air blowing Pneumatic valve of system, the spraying Pneumatic valve and air blowing Pneumatic valve control the quantity for spray and jet of corresponding nozzle respectively
Amount.
Detect that die casting machine generates cancel closedown, when mold temperature is lower, mold sprays the quantity for spray of flow-control module
Also it can reduce accordingly, so that mold be made to be rapidly heated to the temperature value of normal production status, then constant quantity for spray, makes mold
Keep the constant normal production of temperature.
Conventional spray paint yarn system use opened loop control, the spray time period be it is constant, spray time and spraying flow not
It can change with mold temperature and adjust accordingly, such as die casting machine is produced in cold mould to qualified product can generate 18 defective products, press
Cycle period is cast if 100 seconds.The defective products production time is 100 × 18=1800 seconds.And use this mold paint finishing (semi-closure
Ring controls yarn system), coating cycles period and each point spray time and flow change with mold temperature and are changed.In same period
Interior mold ramp-up time can halve, and produce 9 products and tend to non-defective unit value, and the defective products production time is up to 93 × 9=
837 seconds.(1800-837)/93=10 qualified product can be at least produced so within identical cycle time more.
PLC control module judges the exception of die casting machine work, to adjust according to the die casting machine work state information of detection
The cooling water flow of mold cooling water control module.When die casting machine cancel closedown, mold temperature can be lower, cooling by mold
Water management module adjusts the flow or on-off of the cooling water entered in mold, so that mold can be quickly after die casting machine restarting
It is warming up to the temperature value of normal production status, then constant cooling water flow.
The appended drawing reference of attached drawing 2- attached drawing 8 includes: ball cup 1, the first groove 11, the first protrusion 12, first through hole 13,
One card slot 14, lower seal groove cavity 15, air intake 16, feed inlet 17, nozzle body 2, discharge port 21, diffusion chamber 22, vacuum chamber 23, circle
Disk mounting hole 24, the second groove 25, the second card slot 26, spray head 3, disk 31, air duct 32, the first coating material passage 33, second
Coating material passage 34, third card slot 35, nozzle body snap ring 4, nozzle body sealing ring 5, spray head snap ring 6, unidirectional valve ball 7, pressure spring 8, spray
Head sealing ring 9, first mechanical arm 19, second mechanical arm 20, third mechanical arm 27, linking arm 28, connecting plate 29, connects pedestal 18
Narrow bars 30, piping connection plate 36, upper spray coating plate 37, lower spray coating plate 38, left spray coating plate 39, right spray coating plate 40, preceding spray coating plate 41, lid
Plate 42, nozzle 43, blacking hole 44, airport 45, mounting groove 46.
Spray robot module as shown in Figure 2 includes the manipulator for being freely rotatable movement, is connected on a robotic arm
Paint delivery tube and air delivery pipe.Manipulator includes that pedestal 18 and pedestal 18 are rotatablely connected vertically by first motor
First mechanical arm 19, first motor drive first mechanical arm 19 to turn left and right.The upper end of first mechanical arm 19 is U-shaped structure, U
Second mechanical arm 20, both ends and second mechanical arm of horizontally disposed second motor through U-shaped structure are connected between type structure
20 connections, the second motor drive the forward and backward swing of second mechanical arm 20.The top of second mechanical arm 20 is also U-shaped structure, U-shaped knot
Third mechanical arm 27 is connected between the open end of structure, horizontally disposed third motor drives third mechanical arm 27 in perpendicular
Upper rotation.Cylinder is installed, cylinder pushes third mechanical arm 27 flexible on third mechanical arm 27.
As shown in Figure 3 and Figure 4, the free end of third mechanical arm 27 is connected with spraying frame, and spraying frame includes substrate and installation
Nozzle 43 on substrate；Multiple mounting grooves 46 for being used to install nozzle 43 are provided on substrate, the top of mounting groove 46, which is equipped with, to be used
To be clamped the cover board 42 of nozzle 43.Nozzle 43 is connected firmly in mounting groove 46 by cover board 42.On the length direction of substrate
Equipped with multiple blacking holes 44 and airport 45 parallel to each other, blacking hole 44 and airport 45 are blind hole and defeated with coating respectively
Pipe is sent to connect with air delivery pipe.Facilitate paint delivery tube and air delivery pipe will be on coating and air delivery to substrate.
The bottom end vertical connection blacking hole 44 of mounting groove 46, the side of mounting groove 46 are communicated at least two airports 45.
Convenient blacking hole 44 and airport 45 by substrate will be on coating and air delivery to nozzle 43.
The connector of airport 45 and blacking hole 44 and mounting groove 46 is greater than the air intake on nozzle 43, and rotating ballhead can
It is rotated in substrate along mounting groove 46.Facilitate adjusting rotating ballhead, makes nozzle 43 and substrate that certain differential seat angle be presented, make to spray
Mouth 43 is adjustable to arrive any direction, each part in mold can be carried out even application.
As shown in Fig. 2, substrate includes upper spray coating plate 37, lower spray coating plate 38, left spray coating plate 39, right spray coating plate 40, preceding spraying
Plate 41 and rear spray coating plate；Spraying frame includes the linking arm 28 connecting with manipulator, and the downward vertical of linking arm 28 is connected with connection
Plate 29, the lower section of connecting plate 29 and preceding spray coating plate 41 and rear spray coating plate is vertical connect, preceding spray coating plate 41 and rear spray coating plate is opposite sets
It sets, and is connected with multiple connection straps 30 parallel to each other between preceding spray coating plate 41 and rear spray coating plate；Before connection strap 30 is located at
Left side, right side, the upper side and lower side of spray coating plate 41；On the connection strap 30 of corresponding position respectively with left spray coating plate 39, right spray coating plate
40, upper spray coating plate 37 and the connection of lower spray coating plate 38.It is convenient that from up, down, left, right, before and after all directions, spray coating plate is all set, make
Can each of spraying mold position, keep spraying uniform.It is convenient that spray robot is made by the spray coating plate on different directions
Any position of the mold and mold on any direction can be sprayed.
It has been bolted piping connection plate 29 on the top surface of connecting plate 29, has been provided on piping connection plate 29 for paint delivery tube
The circular hole in road and airflow pipe access.It is convenient to be connected to paint delivery tube and air delivery pipe by piping connection plate 29
Spraying frame comes up, then will be delivered on each spray coating plate.
The top plate of linking arm 28 and bottom end are connected separately with the first terminal pad and the second terminal pad, the first terminal pad and second
Multiple equally distributed bolts hole are provided in terminal pad, the first terminal pad is bolted with manipulator.Linking arm 28 and first
Stiffening plate is equipped between terminal pad.It is convenient to be connect the first terminal pad with manipulator by bolt, facilitate spraying frame and manipulator
Connection and disassembly.So that the first terminal pad and linking arm 28 is connected even closer, increases the stress intensity of the first terminal pad.
The bottom end of preceding spray coating plate 41 and rear spray coating plate is designed with the foot pad extended downwardly, and the bottom position of foot pad is lower than lower spray
The bottom position of coated plate 38.Facilitate will spraying frame when be put on the ground, foot pad stress supports entire spraying frame, avoids lower spray
Coated plate 38 is scraped off.
Nozzle as shown in Figure 5, including ball cup 1, the material of ball cup 1 is unlimited, and ball cup 1 uses aluminium in the present embodiment
Magnesium alloy, the essential element of almag are aluminium, and are the aluminium alloys using magnesium as main adding elements, and this almag is not only
Heating conduction and intensity are good, and its corrosion resistance is also fine, it is contemplated that the use environment of nozzle is more severe, with this magnalium
Ball cup 1 made of alloy is well positioned to meet requirement, and ball cup 1 is the sphere that a size is greater than half, in ball
The middle part of headstock 1 offers the first groove 11, feed inlet 17 is offered in the downside of ball cup 1, in the first groove of ball cup 1
The first protrusion 12 is equipped in 11,12 middle part of the first protrusion offers first through hole 13, and first through hole 13 includes round nose and taper
End, wherein the upside of first through hole 13 is round nose, and the downside of first through hole 13 is tapered end, the taper of 13 downside of first through hole
Feed inlet 17 on end and ball cup 1 communicates, and is additionally provided with lower seal groove cavity 15 in the outer profile of ball cup 1, pacifies at lower seal groove cavity 15
Equipped with lower seal, circumferential at lower seal groove cavity 15 to be evenly distributed at least two air intakes 16, air intake 16 is in the present embodiment
Circumferentially uniformly distributed four, air intake 16 passes through lower seal groove cavity 15 and communicates with the first groove 11 of ball cup 1, in ball cup 1
Upside be additionally provided with the first card slot 14, be also machined with positioned at the downside of the first card slot 14 for installing nozzle body 2 on ball cup 1
Screw thread.
As shown in figure 5 and figure 7, nozzle body 2 is also unlimited using material, and nozzle body 2 uses and ball cup 1 in the present embodiment
Identical material is threaded at the outer profile on the lower side of 2 middle part of nozzle body, and nozzle body 2 passes through screw thread and bulb herein
Seat 1 is attached, and in the upside of 2 screw thread of nozzle body, the outer contour of nozzle body 2 is the three-level Step-edge Junction that size is gradually increased
Structure has arc-shaped chamfering in step joints at different levels, the ball cup 1 above nozzle body 2 and ball cup 1 are threadedly coupled
Nozzle body snap ring 4 is installed at first card slot 14, is additionally provided with the second groove in the downside that nozzle body 2 and ball cup 1 are threadedly coupled
25, being equipped at the second groove 25 prevents from the air that air intake 16 is passed through by the spray that leaks between ball cup 1 and nozzle body 2
Mouth body sealing ring 5 is equipped with the second card slot 26, in the second card slot 26 at 2 inner outline of nozzle body opposite with the second groove 25
Top be equipped with disk mounting holes 24, be additionally provided with vacuum chamber 23 in the top of disk mounting holes 24, vacuum chamber 23 is up big and down small
Structure with taper is diffusion chamber 22 on the top of vacuum chamber 23, and diffusion chamber 22 is a circular configuration, in the upper of diffusion chamber 22
Portion is discharge port 21, and discharge port 21 is also the up big and down small structure with taper.
As shown in Figure 5 and Figure 8, coating material passage is offered in the middle part of spray head 3, coating material passage includes the first coating material passage 33 and the
Two coating material passages 34, wherein the first coating material passage 33 the top of the second coating material passage 34 and the width of the first coating material passage 33 it is small
In the width of the second coating material passage 34, disk 31 is additionally provided at the outer profile of spray head 3, disk 31 is mounted on the circle of nozzle body 2
At disk mounting hole 24, and the position of disk 31 is defined by the spray head snap ring 6 at 2 second card slot 26 of nozzle body, in circle
The circumferential direction of disk 31 is at least uniformly distributed there are two air duct 32, in order to be distributed air uniformly in the present embodiment, the week of disk 31
To eight air ducts 32 are evenly equipped with, being equipped at the contour line of two sides up and down of disk 31 is prevented in stress collection and burr falls
Angle, the spray head 3 above disk 31 has up-small and down-big taper and the structure top side extend into the vacuum chamber on nozzle body 2
In 23, the spray head 3 below disk 31 protrudes into the round nose of 1 first through hole 13 of ball cup, in the circle of spray head 3 and first through hole 13
It is additionally provided with third card slot 35 at the cooperation of shape end, injector seals circle 9 is installed at third card slot 35, in 1 first through hole of ball cup
13 tapered end is provided with unidirectional valve ball 7, is additionally provided with elastic element at unidirectional valve ball 7, the elastic element in the present embodiment is adopted
With the pressure spring 8 of reliable performance, the upper end of pressure spring 8 offsets with the second coating material passage, and the lower end of pressure spring 8 offsets with unidirectional valve ball 7.
Mold spray painting control method is as follows as of fig. 9 shown:
1) system parameter is set by man-machine interface, sets the Working mould of mold spray module and mold cooling water module
Formula；
2) operating state data that PLC control module is transmitted by die casting machine to it, judges whether die casting machine works normally,
So that it is determined that the spray pattern of mold spray module and the operating mode of mold cooling water module:
If a. die casting machine works normally, for mold spray module by setting flow spraying, it is normal that mold is in set temperature
Work, normally produces qualified products；
If b. die casting machine abnormal work, PLC control module controls mold spray module and adjusts quantity for spray, in the present embodiment
Die casting machine cancel closedown, then PLC control module control mold spray module reduces quantity for spray.The present embodiment is only enumerated, certainly
If other exceptions occurs in die casting machine, PLC control module controls mold spray module and adjusts corresponding quantity for spray, to meet mold
Die casting requirement.
The spraying method that mold spray module uses in the present embodiment is interval alternating spray.Mold spray module uses can
The nozzle of automatic adjustment quantity for spray is sprayed, and the working method of nozzle is: swivel nozzle body adjusts nozzle body on ball cup
Position, nozzle body drive spray head move together, the variation of nozzle position makes between spray head coating material passage and unidirectional valve ball
Elastic element elastic force change, the variation of elastic element elastic force becomes the aperture between unidirectional valve ball and feed inlet
Change.
The spraying method of coating and air is in nozzle: being passed through high-speed compressed air from the air intake of nozzle, the height
Fast compressed air, which enters vacuum chamber through the first groove on nozzle and forms jet stream at vacuum chamber, generates Involving velocity, inhales in volume
Under effect, the air in vacuum chamber is constantly siphoned away by volume, so that the pressure in vacuum chamber is down to atmospheric pressure or less and is formed centainly
Vacuum degree, coating are adsorbed to the two sides of nozzle body diffusion chamber, so that coating is formed diffusion, coating is sprayed out of nozzle body, makes to apply
The uniform misty covering of the fan that material forms high speed sprays to mold, quickly takes away heat.
Nozzle is mounted on spraying frame by the way of adjustable angle in the present embodiment, and nozzle body can drive spray head to act,
When specific installation, the disk on spray head is placed at the disk mounting holes of nozzle body, and spray head card is installed at the second card slot
Ring, disk mounting holes and spray head snap ring carry out position limitation to disk from two sides respectively, to realize spray head with the shifting of nozzle body
It is dynamic.
If c. die casting machine works normally, mold cooling water module is being in set temperature just by setting traffic flow, mold
Often work, normally produces qualified products；
If d.. die casting machine abnormal work, PLC control module controls mold cooling water module and adjusts cooling water flow.This
Die casting machine cancel closedown in embodiment, then PLC control module control mold cooling water module reduces cooling water flow.Embodiment is only
It is to enumerate, if other exceptions occurs in die casting machine certainly, PLC control module controls mold cooling water module and adjusts corresponding cooling
Water flow, to meet the die casting requirement of mold.
As shown in figure 11, the working method of specific the present embodiment mold cooling water module is: setting in man-machine interface
Mold thermal coefficient；Mold cooling water is set in man-machine interface is opened and closed condition；When PLC control module calculating cooling water is opened
Between；PLC control module detects die casting machine downtime and die casting machine die casting number of packages；Stopped by cooling water service time, die casting machine
The machine time compared with die casting machine die casting number of packages, controls the on-off of cooling water solenoid valve.
The working method of spray robot in mold spray module as shown in Fig. 10 is:
1) spray robot starts, and spray robot is located at origin position；
2) spray robot is in spraying and waits position；
3) whether PLC control module allows to spray signal to spray robot sending:
A. if so, control spray robot moves to die casting machine cover half spraying point；
B. if it is not, then returning to spray robot origin；
4) whether PLC control module allows cover half to spray signal to spray robot sending:
A. it if so, carrying out cover half spraying point flow rate calculation, and controls cover half spraying solenoid valve and opens, carry out cover half with spray
It applies, after active and inactive mold spraying, purge from active and inactive mold, after active and inactive mold purging, enter the spray of die casting machine dynamic model
Whether paint point, PLC control module allow dynamic model to spray signal to spray robot sending:
A) it if so, carrying out dynamic model spraying point flow rate calculation, opens dynamic model and sprays solenoid valve, carry out automatic dynamic model spraying,
After dynamic model sprays, automatic dynamic model purging is carried out, after dynamic model purges, returns to spray robot origin；
B) if it is not, return spray robot origin or manual operation control spray robot stop moving after waiting 3S automatically
Make, and spray robot is debugged, sprayed again after the completion of debugging, and feedback dynamic model spraying is manually operated and completes letter
Number；
B. if it is not, return spray robot origin or manual operation control spray robot stop moving after waiting 3S automatically
Make, and spray robot is debugged, sprayed again after the completion of debugging, and feedback dynamic model spraying is manually operated and completes letter
Number, a die casting machine dynamic model spraying point position is entered back into, is repeated the above steps a) and b).
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (7)
1. a kind of mold spray painting control method, which is characterized in that mode is as follows:
1) system parameter is set by man-machine interface, sets the operating mode of mold spray module and mold cooling water module；
2) operating state data that PLC control module is transmitted by die casting machine to it, judges whether die casting machine works normally, thus
Determine the spray pattern of mold spray module:
If a. die casting machine works normally, mold spray module is in set temperature normal work by setting flow spraying, mold,
Normal production qualified products；
If b. die casting machine abnormal work, PLC control module controls mold spray module and adjusts quantity for spray；
If die casting machine cancel closedown, PLC control module controls mold spray module and reduces quantity for spray；
Mold spray module uses coating robot coats, and the working method of spray robot is:
1) spray robot starts, and spray robot is located at origin position；
2) spray robot is in spraying and waits position；
3) whether PLC control module allows to spray signal to spray robot sending:
A. if so, control spray robot moves to die casting machine cover half spraying point；
B. if it is not, then returning to spray robot origin；
4) whether PLC control module allows cover half to spray signal to spray robot sending:
A. it if so, carrying out cover half spraying point flow rate calculation, and controls cover half spraying solenoid valve and opens, carry out cover half spraying, from
After active and inactive mold sprays, purge from active and inactive mold, after active and inactive mold purging, enter die casting machine dynamic model spraying point,
Whether PLC control module allows dynamic model to spray signal to spray robot sending:
A) it if so, carrying out dynamic model spraying point flow rate calculation, opens dynamic model and sprays solenoid valve, carry out automatic dynamic model spraying, dynamic model
After spraying, automatic dynamic model purging is carried out, after dynamic model purges, returns to spray robot origin；
B) if it is not, under automatic mode, robot returns to spray robot under spray robot origin or manual mode after waiting 3S
It can stop acting, rest on spraying point position, complete replacement nozzle in spraying point position, nozzle angle and flow adjust work,
It is sprayed again after the completion of debugging, and feedback dynamic model spraying is manually operated and completes signal, spray robot then auto-returned origin；
B. if it is not, returning to spray robot origin or manual operation control spray robot stopping movement after waiting 3S automatically, and
Spray robot is debugged, is sprayed again after the completion of debugging, and feedback dynamic model spraying completion signal is manually operated, then into
Enter to die casting machine dynamic model and spray point position, repeat the above steps a and b.
2. mold spray painting control method according to claim 1, it is characterised in that: further include mold cooling in step 2)
The control of water module, the operating state data that PLC control module is transmitted by die casting machine to it, judges the whether normal work of die casting machine
Make, so that it is determined that the operating mode of mold cooling water module:
If a. die casting machine works normally, mold cooling water module is in the normal work of set temperature by setting traffic flow, mold
Make, normally produces qualified products；
If b. die casting machine abnormal work, PLC control module controls mold cooling water module and adjusts cooling water flow.
3. mold spray painting control method according to claim 1, it is characterised in that: the mold spray module uses can
The nozzle of automatic adjustment quantity for spray is sprayed, and the working method of the nozzle is: swivel nozzle body adjusts nozzle body in bulb
Position on seat, nozzle body drive spray head to move together, and the variation of nozzle position makes to be located at spray head coating material passage and unidirectional valve ball
Between elastic element elastic force change, the aperture between unidirectional valve ball and feed inlet occurs for the variation of elastic element elastic force
Variation.
4. mold spray painting control method according to claim 3, it is characterised in that: the spraying side of coating and air in nozzle
Formula is: being passed through high-speed compressed air from the air intake of nozzle, which enters through the first groove on nozzle
Vacuum chamber simultaneously forms jet stream generation Involving velocity at vacuum chamber, and under Involving velocity, the air in vacuum chamber is constantly inhaled by volume
It walks, the pressure in vacuum chamber is made to be down to atmospheric pressure or less and forms certain vacuum degree, coating is to the two sides of nozzle body diffusion chamber
Absorption makes coating form diffusion, coating is sprayed out of nozzle body, and the uniform misty covering of the fan for making coating form high speed sprays to mould
Tool, quickly takes away heat.
5. mold spray painting control method according to claim 2, it is characterised in that: if die casting machine cancel closedown, PLC control
Molding block controls mold cooling water module and reduces cooling water flow.
6. mold spray painting control method according to claim 5, it is characterised in that: the working method of mold cooling water module
It is: sets mold thermal coefficient in man-machine interface；Mold cooling water is set in man-machine interface is opened and closed condition；PLC controls mould
Block calculates cooling water service time；PLC control module detects die casting machine downtime and die casting machine die casting number of packages；Pass through cooling water
Service time, die casting machine downtime control the on-off of cooling water solenoid valve compared with die casting machine die casting number of packages.
7. mold spray painting control method according to claim 1 to 6, it is characterised in that: the mold sprays mould
The spraying method that block uses is interval alternating spray.
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| CN201510936048.8A CN105537561B (en) | 2015-12-15 | 2015-12-15 | A kind of mold spray painting control method |
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| CN201510936048.8A CN105537561B (en) | 2015-12-15 | 2015-12-15 | A kind of mold spray painting control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106513229A (en) * | 2016-11-01 | 2017-03-22 | 河池学院 | Control method of car spraying robot |
| CN107020366A (en) * | 2017-04-21 | 2017-08-08 | 苏州春兴精工股份有限公司 | Mold temperature acquisition method |
| CN107703867A (en) * | 2017-09-27 | 2018-02-16 | 广东鸿图南通压铸有限公司 | The PLC touch-screen control method and device of spraying in a kind of mould |
| CN113442343A (en) * | 2021-08-14 | 2021-09-28 | 上海派亚精密模具有限公司 | Automatic oil injection device |
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| CN1228365A (en) * | 1998-03-09 | 1999-09-15 | 艾奇逊工业有限公司 | Process and device for preparing walls of mold for molding |
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