CN206052130U - Spray zinc machine spray gun start-stop control system - Google Patents
Spray zinc machine spray gun start-stop control system Download PDFInfo
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- CN206052130U CN206052130U CN201620947919.6U CN201620947919U CN206052130U CN 206052130 U CN206052130 U CN 206052130U CN 201620947919 U CN201620947919 U CN 201620947919U CN 206052130 U CN206052130 U CN 206052130U
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Abstract
The utility model discloses a kind of spray zinc machine spray gun start-stop control system, belong to ductile iron pipe spray zinc machine corollary equipment technical field, human-computer interface operation box, the little car position checkout gear of spray zinc and the top positioner of spray zinc machine being connected with PLC control cabinet including PLC control cabinet and respectively, breach the mode of original spray gun hand-manipulated, spray gun is individually controlled, spray gun is according to the injection order for terminating side to origination side, when corresponding spray gun correspondence origination side shooting position, corresponding spray gun automatically begins to injection；When corresponding spray gun correspondence terminates side stop rifle position and put, corresponding spray gun is automatically stopped injection；After last spray gun stops injection, spray zinc dolly stops, and cuts off the gas supply of spray zinc machine.The system is accurately controlled the startup position of spray gun and stop position, reduces zinc silk and wastes not up to standard with coating quality, effectively improves spray zinc machine spray zinc quality, mitigates worker's labor intensity.
Description
Technical field
This utility model is related to a kind of spray zinc machine spray gun start-stop control system, belongs to ductile iron pipe spray zinc machine corollary equipment
Technical field.
Background technology
In the production technology of ductile iron pipe, in order to increase the corrosion resistance of outer surface of nodular cast iron pipe, need in spheroidal graphite
Cast iron tube outer surface sprays one layer of zinc or other noncorroding metal coatings, and the technique is mainly used for being imbedded in corrosivity stronger
Soil property, such as marshy soil, muddy soil, containing sulfate soil, rubbish dust and by the cast iron under draining contaminated soil
The protection of pipe.The technique is completed by using spray zinc machine.
Spray zinc owner will be returned by frame, clamping and rotating system, lifting mechanism, Pen Xin mechanisms, electrohydraulic control system and flue gas
Receipts system composition, spray zinc machine is by the use of the electric arc being sprayed-on between metal wire rod being continuously fed in two that burns as thermal source
Melt metal wire rod, molten metal is atomized into microgranule with high velocity air, and is accelerated using atomization metal particle, be atomized
Particle stream flow high speed deposition forms coating to surface of the work.
Traditional ductile iron pipe spray zinc machine is operated by manually controlling, and there is problems with：
1st, spray gun starts position inaccurately, sooner or later, causes zinc silk to waste or spray zinc quality dissatisfaction；
2nd, spray gun stop position is inaccurate, causes zinc silk to waste or quality dissatisfaction；
3rd, spray the top position of zinc machine to be forbidden, cause cast tube outer surface spray zinc position to change；
4th, the start-stop of former control system platform spray gun can not be controlled respectively, even if can control manually, operative employee also has little time
Operation, worker's high labor intensive.
Utility model content
This utility model technical issues that need to address are to provide a kind of spray zinc machine spray gun start-stop control system, can improve
Spray zinc machine spray zinc quality, reduction zinc silk are wasted, mitigate worker's labor intensity.
To solve above-mentioned technical problem, the technical scheme adopted by this utility model is：
A kind of spray zinc machine spray gun start-stop control system, including PLC control cabinet and be connected with PLC control cabinet respectively it is man-machine
Interface operation case, the little car position checkout gear of spray zinc and the top positioner of spray zinc machine；
PLC control cabinet includes CPU module, the digital input module being connected with CPU module respectively, digital output module, volume
Code device position module and the relay control unit of power module and digital output module connection, power module are also respectively connected with
Digital input module, digital output module, relay control unit and encoder position module, human-computer interface operation box connection
CPU module, relay control unit connection spray gun；
The spray little car position checkout gear of zinc includes being arranged on two sprocket wheels on the outside of spray zinc dolly, is wrapped on two sprocket wheels
And the chain that is connected with the spray zinc dolly, the tooth expansion tightening wheel that is pressed on chain and is located in the middle of two sprocket wheels and one of chain
The absolute position rotary encoder of wheel connection, absolute position rotary encoder connection encoder position module；
The spray top positioner of zinc machine include being arranged in the frame below top guide rail and with top hydraulically extensible bar
The locating piece of spacing cooperation, the oil-feed volume control device being arranged on hydraulic circuit and return flow control device, locating piece,
Oil-feed volume control device, return flow control device are arranged at top anti-drive end.
Technical solutions of the utility model further improvement is that：It is provided with per station along body movement direction on spray zinc dolly
Two spray guns.
Technical solutions of the utility model further improvement is that：Spray zinc machine is double-position zinc-spraying machine, and spray zinc dolly is one
Individual entirety, sprocket wheel are arranged on the outside of spray zinc dolly, and expansion tightening wheel is three, and three expansion tightening wheels are arranged along one word of chain drive direction
Open up and put.
Technical solutions of the utility model further improvement is that：The top positioner of spray zinc machine is two groups, oil-feed flow
Control device and return flow control device are hydraulic stop valve.
Technical solutions of the utility model further improvement is that：Spray zinc adopts acetylene-oxygen flame or electric arc spraying, sprays zinc machine
Air compressor machine pressure is 0.3～0.8MPa, sprays a diameter of 2mm～5mm of zinc silk used by zinc, and spray zinc coating thickness is 25～400 μm.
Technical solutions of the utility model further improvement is that：Zinc silk is Zn-Al alloy wire.
As a result of above-mentioned technical proposal, the technological progress that this utility model is obtained is：Breach original manual operations
The mode of spray gun, spray gun are individually controlled, when corresponding spray gun is run to correspondence origination side shooting position（Initial side centre head and spheroidal graphite
Cast iron pipe contact position, namely initial side bell and spigot）When, corresponding spray gun automatically begins to injection, when corresponding spray gun is run to correspondence
Stop rifle position and put in end side（Terminate side centre head and ductile iron pipe contact position, namely terminate side bell and spigot）When, corresponding spray gun
Injection is automatically stopped, after last spray gun stops injection, spray zinc dolly stops, and cuts off the gas supply of spray zinc machine, improve
Ductile iron pipe spray zinc machine sprays the quality of zinc, high degree of automation.
This utility model is accurately controlled the startup position of spray gun and stop position, it is to avoid zinc silk is wasted or quality dissatisfaction
Problem.The top position location of spray zinc machine being provided with makes ductile iron pipe locus accurate positioning, it is ensured that outside ductile iron pipe
Surface Pen Xin positions will not change, and further improve spray zinc quality；Multiple stage spray gun is automatically controlled respectively, reduces worker's labor
Fatigue resistance, intelligence degree are high.
The little car position checkout gear of spray zinc selects absolute position rotary encoder rather than the incremental encoder, reason to be
The shortcoming of incremental encoder is to enable or to be performed when powering up back to zero operation to determine the starting point of location parameter, even and very
The power failure of short time will also result in the loss of positional information.And absolute type encoder does not then have a disadvantage that, absolute encoding
The advantage of device be even at it is static or close after open again, positional information is obtained.What this patent was selected is Beijing peace lattice
The Angtron brands absolute position rotary encoder of wound Electronic Science and Technology Co., Ltd..
The oil-feed volume control device being provided with and return flow control device, for controlling hydraulic pressure is transported in hydraulic cylinder
Fluid flow before and after cylinder in cylinder inner chamber, mechanical location is accurately positioned when realizing ductile iron pipe spray zinc, manually adjusts
Section, it is once setting without the need for change, convenient and swift.
In spray gun on off control, targetedly from suitable spray gun, in one spray gun of ductile iron pipe starting end application,
In two spray guns of ductile iron pipe intermediate application, the spray zinc that can be both prevented effectively from ductile iron pipe two ends is wasted, again can be real
The two-double spray coating of existing ductile iron pipe pipe shaft, coating quality are high, corrosion resistance and good, long service life.
Add aluminum in zinc, one can be reduction melting point metal, it is easy to melt, molten state metal fluidity is good, in high pressure
It is easy to atomization under air effect, atomizing particle is thin, good with body adhesion；Two is good corrosion resistance, and the Zn-Al of same thickness is closed
Layer gold is enhanced about more than once than pure Zn layers synthesis decay resistance, and resistance to Neutral Salt Spray Corrosion performance improves more than twice.
Description of the drawings
Fig. 1 is the connection block diagram of this utility model control system；
Fig. 2 is the connection diagram of this utility model control system；
Fig. 3 is the main structure diagram of this utility model control system；
Fig. 4 is the overlooking the structure diagram of this utility model control system；
Wherein, 1, sprocket wheel, 2, absolute position rotary encoder, 3, PLC control cabinet, 4, human-computer interface operation box, 5, tensioner
Wheel, 6, chain, 7, spray zinc dolly, 8, centre head, 9, spray gun I, 10, spray gun II, 11, spray gun III, 12, spray gun IV, 13, positioning
Block, 14, oil-feed volume control device, 15, return flow control device, 16, hydraulically extensible bar.
Specific embodiment
This utility model is described in further details with reference to embodiment：
As shown in Figure 1 to 4, a kind of spray zinc machine spray gun start-stop control system, including PLC control cabinet and respectively with PLC
Human-computer interface operation box 4, the little car position checkout gear of spray zinc and the top positioner of spray zinc machine that switch board connects, PLC controls
There is Programmable Logic Controller in cabinet, the programmable operation to PLC control cabinet is realized by human-computer interface operation box 4.
Spray zinc machine is double-position zinc-spraying machine, and spray zinc dolly 7 is an entirety, every along body movement direction on spray zinc dolly 7
Individual station is provided with two spray guns, and such one has four spray guns：Spray gun I 9, spray gun II 10, spray gun III 11, spray gun IV 12.
PLC control cabinet includes CPU module, the digital input module being connected with CPU module respectively, digital output module, volume
Code device position module and the relay control unit of power module and digital output module connection, power module are also respectively connected with
Digital input module, digital output module, relay control unit and encoder position module, human-computer interface operation box 4 connect
CPU module, relay control unit connect and control spray gun I 9, spray gun II 10, spray gun III 11, spray gun IV 12, CPU module respectively
Model adopts west gate subfamily.
The spray little car position checkout gear of zinc includes being arranged on two sprocket wheels 1 on the outside of spray zinc dolly 7, is wrapped in two sprocket wheels
The chain 6, tooth being connected on 1 and with the spray zinc dolly 7 be pressed on chain 6 and be located at the expansion tightening wheel 5 in the middle of two sprocket wheels 1, and its
In the connection of sprocket wheel 1 absolute position rotary encoder 2, the connection encoder position module of absolute position rotary encoder 2 rises
Bearing up pulley 5 is three, and three expansion tightening wheels 5 are along the setting in one line of 6 transmission direction of chain.
The top positioner of spray zinc machine is two groups, and per group sprays the top positioner of zinc machine and includes being arranged under top guide rail
In the frame of side and locating piece 13 with top 16 spacing cooperation of hydraulically extensible bar, the oil-feed flow being arranged on hydraulic circuit
Control device 14 and return flow control device 15, oil-feed volume control device 14 and return flow control device 15 are manually
Adjust manually, it is with low cost；Can also control for electrical adjustment and by programming logic.Locating piece 13, oil-feed flow-control
Device 14, return flow control device 15 are arranged at top anti-drive end.Oil-feed volume control device 14 and return flow
Control device 15 is hydraulic stop valve.
Before to ductile iron pipe spray zinc, ductile iron pipe is placed into into spray zinc station, is promoted to by lifting mechanism
Appropriate height, then ductile iron pipe mechanical location is accurately positioned by spraying zinc machine top positioner, oil-feed flow therein
Control device 14, return flow control device 15 and locating piece 13 composition positioner, mechanical location orientate follow-up spray zinc as
Precision guarantee is carried out in operation.
Spray zinc machine spray gun start-stop control system, for control four spray gun（Spray gun I 9, spray gun II 10, spray gun III 11, spray gun
Ⅳ12）Spray zinc operation, step is as follows：
Step A, by the operation to human-computer interface operation box 4, start to the spray gun in PLC control cabinet and stop control program
Input spray zinc dolly 7, treat nozzle type, four the two-way start and stop setting position parameter of spray gun, spray zinc dolly 7 has four groups of controls ginsengs
Number, four have 16 groups of control parameters spray gun, treat that nozzle type has 6 kinds, and such four have 96 kinds of control parameters spray gun one, set
Start spray zinc machine after parameter.
Step B, spray zinc dolly 7 is obtained by the absolute position rotary encoder 2 sprayed in the little car position checkout gear of zinc
Physical location parameter, as the relative position for spraying zinc dolly and spray gun is constant, and then can obtain four the physical location of spray gun
Parameter, then obtains and treats the physical location parameter such as caliber, pipe range of nozzle type, then by the physical location parameter of spray zinc dolly 7
It is compared with setting position parameter, judges to spray the origination side of 7 direction of motion of zinc dolly and terminate side, each spray gun is according to knot
The injection order of beam side to origination side is sprayed successively.Such as when spray zinc dolly 7 is moved from left to right（It is from upper from the point of view of in Fig. 4
Down）, run when spray zinc dolly 7 to the spray gun III 11 and spray gun IV 12 correspondence left side shooting position on right side（Left side bell and spigot）
When, the spray gun III 11 and spray gun IV 12 on right side automatically begin to injection first, and the spray gun I 9 and spray gun II 10 in left side do not spray, to save
Zinc material；Run when spray zinc dolly 7 to the spray gun I 9 and spray gun II 10 correspondence left side shooting position in left side（Left side bell and spigot）When, it is left
The spray gun I 9 and spray gun II 10 of side also begins to injection, that is, while four all start injection spray gun；When spray zinc dolly 7 run to
Stop rifle position and put in the spray gun III 11 and spray gun IV 12 correspondence right side on right side（Right side bell and spigot）When, the spray gun III 11 and spray gun IV on right side
12 stop injection, and the spray gun I 9 and spray gun II 10 in left side go back maintenance spray；When spray zinc dolly 7 is run to I 9 He of spray gun in left side
Stop rifle position and put in the correspondence of spray gun II 10 right side（Right side bell and spigot）When, the spray gun I 9 and spray gun II 10 in left side also stop injection, so
Four spray guns all stopped spray zinc, then sprays zinc dolly 7 and stops, it is to avoid wheel spin, and cut off the gas supply of spray zinc machine, it is to avoid
Source of the gas is wasted and noise, and the spray zinc data of cast are recorded in overall process.
Step C, when the spray zinc of two pipes of next step is performed, now spray zinc dolly 7 from right toward left movement（From the point of view of in Fig. 4
It is from the bottom up）, put when spray zinc dolly 7 is run to the spray gun I 9 and II 10 corresponding right side opening rifle position of spray gun in left side（Right side socket joint
Mouthful）When, the spray gun I 9 and spray gun II 10 in left side automatically begin to injection first, and the spray gun III 11 and spray gun IV 12 on right side do not spray, with
Save zinc material；Put when spray zinc dolly 7 is run to the spray gun III 11 and IV 12 corresponding right side opening rifle position of spray gun on right side（Right side socket joint
Mouthful）When, the spray gun III 11 and spray gun IV 12 on right side also together start injection, that is, while four all start injection spray gun；When
Spray zinc dolly 7 runs and stops rifle position to the spray gun I 9 and spray gun II 10 correspondence left side in left side and put（Left side bell and spigot）When, the spray in left side
Rifle I 9 and spray gun II 10 stop injection, and the spray gun III 11 and spray gun IV 12 on right side go back maintenance spray；When spray zinc dolly 7 run to
Stop rifle position and put in the spray gun III 11 and spray gun IV 12 correspondence left side on right side（Left side bell and spigot）When, the spray gun III 11 and spray gun IV on right side
12 also stop injection, and such four all stopped spray zinc spray gun, then spray zinc dolly 7 and stop, it is to avoid wheel spin, and cut off spray
Zinc machine gas is supplied, it is to avoid source of the gas is wasted and noise, and the spray zinc data of cast are recorded in overall process.
Spray zinc adopts acetylene-oxygen flame or electric arc spraying, and spray zinc machine air compressor machine pressure is 0.3～0.8MPa, is sprayed used by zinc
A diameter of 2mm～the 5mm of zinc silk, spray zinc coating thickness are 25～400 μm.
Zinc silk is Zn-Al alloy wire, and the composition of the Zn-Al alloy wire is Zn80～99.99%, and Al0.01～20%, zinc-aluminium are closed
Spun gold should soft, appearance impulse- free robustness.
Startup location parameter when spray gun I 9, spray gun II 10, spray gun III 11 and spray gun IV 12 have from right to left, and respectively
Adjustable, the operation is realized in man machine interface.All there is two-way on off control position to arrange for each spray gun of each cast, 4
Spray zinc rifle there are 16 groups of control parameters, the 6 kinds of casts totally 96 kinds of control parameters for needing to spray that zinc is processed are combined, zinc is little in addition with spraying
Car parameter out of service, realizes automatization's spray zinc operation.
Spray in the present embodiment on zinc dolly 7 and be provided with two spray guns per station along body movement direction, be four sprays of double
The operation of rifle, if often station is provided with one, three, four or other are greater number of along body movement direction on spray zinc dolly 7
Spray gun, is still spray gun and gradually starts injection according to the injection order for terminating side to origination side, when spray zinc dolly 7 is run to corresponding
During spray gun correspondence origination side shooting position 8, corresponding spray gun automatically begins to injection；When spray zinc dolly 7 is run to corresponding spray gun correspondence
When terminating side and stopping rifle position and put 8, corresponding spray gun is automatically stopped injection；After last spray gun stops injection, spray zinc dolly 7 stops,
And spray zinc machine gas supply is cut off, and record the spray zinc data of cast in overall process, spray gun is automatically turned on successively or is disconnected
Autocontrol method is the same, be will not be described here.
Claims (6)
- It is 1. a kind of to spray zinc machine spray gun start-stop control system, it is characterised in that：Including PLC control cabinet and respectively with PLC control cabinet The human-computer interface operation box of connection（4）, the little car position checkout gear of spray zinc and the top positioner of spray zinc machine；PLC control cabinet includes CPU module, the digital input module being connected with CPU module respectively, digital output module, encoder Position module and the relay control unit of power module and digital output module connection, power module are also respectively connected with numeral Input module, digital output module, relay control unit and encoder position module, human-computer interface operation box（4）Connection CPU Module, relay control unit connection spray gun；The little car position checkout gear of spray zinc includes being arranged on spray zinc dolly（7）Two sprocket wheels in outside（1）, be wrapped in two sprocket wheels （1）It is upper and with the spray zinc dolly（7）The chain of connection（6）, tooth be pressed in chain（6）Go up and be located at two sprocket wheels（1）Middle rises Bearing up pulley（5）, and one of sprocket wheel（1）The absolute position rotary encoder of connection（2）, absolute position rotary encoder（2）Even Connect encoder position module；The spray top positioner of zinc machine include being arranged in the frame below top guide rail and with top hydraulically extensible bar（16） The locating piece of spacing cooperation（13）, the oil-feed volume control device that is arranged on hydraulic circuit（14）With return flow control device （15）, locating piece（13）, oil-feed volume control device（14）, return flow control device（15）It is arranged at top non-driven End.
- It is 2. according to claim 1 to spray zinc machine spray gun start-stop control system, it is characterised in that：Spray zinc dolly（7）On along car The body direction of motion is provided with two spray guns per station.
- It is 3. according to claim 2 to spray zinc machine spray gun start-stop control system, it is characterised in that：Spray zinc machine is double-position zinc-spraying Machine, sprays zinc dolly（7）For an entirety, sprocket wheel（1）It is arranged on spray zinc dolly（7）Outside, expansion tightening wheel（5）For three, three Expansion tightening wheel（5）Along chain（6）Transmission direction setting in one line.
- It is 4. according to claim 3 to spray zinc machine spray gun start-stop control system, it is characterised in that：The top positioner of spray zinc machine For two groups, oil-feed volume control device（14）With return flow control device（15）It is hydraulic stop valve.
- 5. the spray zinc machine spray gun start-stop control system according to any one of Claims 1 to 4, it is characterised in that：Spray zinc is adopted Acetylene-oxygen flame or electric arc spraying, spray zinc machine air compressor machine pressure for 0.3～0.8MPa, and a diameter of 2mm of zinc silk used by spray zinc～ 5mm, spray zinc coating thickness are 25～400 μm.
- It is 6. according to claim 5 to spray zinc machine spray gun start-stop control system, it is characterised in that：Zinc silk is Zn-Al alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947919.6U CN206052130U (en) | 2016-08-26 | 2016-08-26 | Spray zinc machine spray gun start-stop control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947919.6U CN206052130U (en) | 2016-08-26 | 2016-08-26 | Spray zinc machine spray gun start-stop control system |
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| Publication Number | Publication Date |
|---|---|
| CN206052130U true CN206052130U (en) | 2017-03-29 |
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ID=58381707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620947919.6U Active CN206052130U (en) | 2016-08-26 | 2016-08-26 | Spray zinc machine spray gun start-stop control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319426A (en) * | 2016-08-26 | 2017-01-11 | 新兴铸管股份有限公司 | Starting-stopping control system and method used for spray guns of zinc-spraying machine |
| CN108193161A (en) * | 2017-12-20 | 2018-06-22 | 北京化工大学 | A kind of device prepared suitable for the spraying of large-area planar metal coating |
-
2016
- 2016-08-26 CN CN201620947919.6U patent/CN206052130U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319426A (en) * | 2016-08-26 | 2017-01-11 | 新兴铸管股份有限公司 | Starting-stopping control system and method used for spray guns of zinc-spraying machine |
| CN106319426B (en) * | 2016-08-26 | 2019-05-31 | 新兴铸管股份有限公司 | Spray zinc machine spray gun start-stop control system and method |
| CN108193161A (en) * | 2017-12-20 | 2018-06-22 | 北京化工大学 | A kind of device prepared suitable for the spraying of large-area planar metal coating |
| CN108193161B (en) * | 2017-12-20 | 2019-12-13 | 北京化工大学 | Device suitable for spraying preparation of large-area planar metal coating |
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