CN105834327A - Control system and method for automatic fireproof door frame forming machine - Google Patents
Control system and method for automatic fireproof door frame forming machine Download PDFInfo
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- CN105834327A CN105834327A CN201610176037.9A CN201610176037A CN105834327A CN 105834327 A CN105834327 A CN 105834327A CN 201610176037 A CN201610176037 A CN 201610176037A CN 105834327 A CN105834327 A CN 105834327A
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- speed
- steel plate
- smoothing
- feed speed
- molding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
The invention discloses a control system and method for an automatic fireproof door frame forming machine. The control system comprises a steel plate leveling machine control unit and a profile forming machine control unit. The steel plate leveling machine control unit comprises a steel plate leveling machine programmable logic controller (PLC), a leveling encoder, a leveling analog quantity output unit, a leveling frequency converter and a leveling drive motor. The profile forming machine control unit comprises a profile forming machine PLC, a forming encoder, a forming analog quantity output unit, a forming frequency converter and a forming drive motor. By means of the control system and method for the automatic fireproof door frame forming machine, accurate location control and high speed response can be achieved, the cost of the system is greatly reduced, and operability and maintainability are greatly improved.
Description
Technical field
The present invention relates to building product field of engineering technology, particularly relate to a kind of fireproof door frame automatic moulding machine and control system
System and control method.
Background technology
Steel-made fire-retardant door is made up of a fan steel door and a steel door frame, and doorframe is by upper and lower, left and right four root type material
It is welded, every root type material rushes a number of installing hole (using for coupling with the component being fixed on body of wall) the most on request,
Also need to rush lockhole or a number of pan on left and right two root type materials.
Generally the manufacturing process at factory's doorframe is as follows:
1. steel plate leveling (in order to save material, the most all use roll bending not use flat board)；
2. cut-to-length；
3. bending and molding (due to complex-shaped, dimensional requirement is high, generally uses numerical control bender)；
4. on section bar, rush installing hole on request；
5 open pan or lockhole on section bar on request；
6. 45 degree of welding grooves are opened at the root type material two, upper and lower, left and right four in perforate；
7. four root type materials are welded into doorframe.
Above-mentioned manufacturing process processing link is many, and production efficiency is low, poor dimensional precision；The technology of workman is required higher,
Cost of manufacture remains high, and the course of processing exists certain potential safety hazard.
Therefore, for above-mentioned technical problem, it is necessary to provide a kind of fireproof door frame automatic moulding machine control system and control
Method.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of fireproof door frame automatic moulding machine control system and controlling party
Method, it is possible to the Accurate Position Control of realization and rapid pace response, makes the cost of control system significantly reduce, operable
Property, maintainability are greatly improved.
To achieve these goals, the technical scheme that the embodiment of the present invention provides is as follows:
A kind of fireproof door frame automatic moulding machine control system, described control system includes steel plate leveling machine control unit and profile-forming machine
Control unit, wherein,
Described steel plate leveling machine control unit includes:
Steel plate leveling machine PLC, is monitored and controlled the speed that steel plate moves and the distance moved past in real time；
Smoothing encoder, for counting steel plate leveling machine；
Straight die analog quantity output unit, for exporting the straight die analog quantity of steel plate leveling machine PLC；
Smoothing converter, for according to smoothing Analog control smoothing feed speed；
Smoothing drives motor, is connected, for the feeding of steel plate with smoothing converter；
Described profile-forming machine control unit includes:
Profile-forming machine PLC, is monitored and controlled the speed that section bar moves and the distance moved past in real time；
Molding encoder, for counting profile-forming machine；
Shaping mould analog quantity output unit, for the shaping mould analog quantity of output type forming machine PLC；
Molding converter, for controlling molding feed speed according to shaping mould analog quantity；
Molding drives motor, is connected with molding converter, for the feeding of section bar.
As a further improvement on the present invention, described steel plate leveling machine PLC at least include 1 tunnel high-speed counting input channel,
12 input points, 6 output points and 1 road analog output.
As a further improvement on the present invention, described steel plate leveling machine PLC is Delta EH series of PLC
DVP20EH00R2+DVP04DA-H2。
As a further improvement on the present invention, described profile-forming machine PLC at least include 1 tunnel high-speed counting input channel,
18 input points, 16 output points and 1 road analog output.
As a further improvement on the present invention, described profile-forming machine PLC is Delta EH series of PLC
DVP32EH00R2+DVP04DA-H2。
As a further improvement on the present invention, described smoothing converter is Delta VFD037V43A-2, and molding converter is
Delta VFD110V43B-2.
As a further improvement on the present invention, smoothing encoder and molding encoder are the E6B2-CWZ6C of Omron,
Line number is 2000.
As a further improvement on the present invention, described steel plate leveling machine control unit also includes smoothing touch screen, product moulding
Machine control unit also includes that molding touch screen, smoothing touch screen and molding touch screen are the DOP-V07S201 of Delta.
Correspondingly, a kind of fireproof door frame automatic moulding machine control method, described control method includes:
Smoothing Frequency Converter Control smoothing drives motor to run with default feed speed；
Judging whether steel plate arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps the
One speed is constant；
Judging whether steel plate arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed not
Become；
Judging whether steel plate arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps the 3rd speed
Spend constant；
Judging whether steel plate arrives the 4th deceleration point, if so, smoothing converter stops output, and braking starts, if it is not, feed speed is protected
Hold retro-speed constant；
After feed speed is zero, smoothing encoder stops counting, die cutting die action；
After die cutting die resets, smoothing encoder recovers counting, and smoothing converter recovers setting speed.
Correspondingly, a kind of fireproof door frame automatic moulding machine control method, described control method includes:
Molding Frequency Converter Control molding drives motor to run with default feed speed；
Judging whether section bar arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps the
One speed is constant；
Judging whether section bar arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed not
Become；
Judging whether section bar arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps the 3rd speed
Spend constant；
Judging whether section bar arrives the 4th deceleration point, if so, molding converter stops output, and braking starts, if it is not, feed speed is protected
Hold retro-speed constant；
After feed speed is zero, molding encoder stops counting, die cutting die action；
After die cutting die resets, molding encoder recovers counting, and molding converter recovers setting speed.
The invention has the beneficial effects as follows:
The most accurate position control, wide in range speed adjustable range, faster response speed can be reached, both ensure that position control accuracy, again
Take into account feed speed；
The cost of control system significantly reduces, and operability, maintainability are greatly improved；
Improve the efficiency that doorframe produces, production cost substantially reduces, and product quality obtains considerable raising, reduces the work of workman
Intensity, has stopped industrial accident.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Described in some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the module diagram of fireproof door frame automatic moulding machine control system in the embodiment of the invention；
Fig. 2 is the schematic flow sheet of fireproof door frame automatic moulding machine control method in the embodiment of the invention.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment
It is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Shown in ginseng Fig. 1, a kind of fireproof door frame automatic moulding machine control system of the present invention, including steel plate leveling machine control
Unit 10 and profile-forming machine control unit 20, wherein,
Steel plate leveling machine control unit 10 includes:
Steel plate leveling machine PLC 11, is monitored and controlled the speed that steel plate moves and the distance moved past in real time；
Smoothing encoder (not shown), for counting steel plate leveling machine；
Straight die analog quantity output unit 12, for exporting the straight die analog quantity of steel plate leveling machine PLC；
Smoothing converter 13, for according to smoothing Analog control smoothing feed speed；
Smoothing drives motor 14, is connected, for the feeding of steel plate with smoothing converter；
Profile-forming machine control unit includes:
Profile-forming machine PLC 21, is monitored and controlled the speed that section bar moves and the distance moved past in real time；
Molding encoder (not shown), for counting profile-forming machine；
Shaping mould analog quantity output unit 22, for the shaping mould analog quantity of output type forming machine PLC；
Molding converter 23, for controlling molding feed speed according to shaping mould analog quantity；
Molding drives motor 24, is connected with molding converter, for the feeding of section bar.
Preferably, steel plate leveling machine control unit 10 also includes smoothing touch screen 15, and profile-forming machine control unit 20 is also
Including molding touch screen 25.
Hereinafter each unit in fireproof door frame automatic moulding machine control system is described in detail.
For steel plate leveling machine in order to speed that steel plate move and the distance that move past, steel plate leveling machine are monitored and controlled in real time
PLC 11 must have road high-speed counting input (simultaneously taking 3 input points) and an analog output, " automatically running ", " stop
Only " take 2 input points, control to rush pan mould and rush die for lock hole to take 4 input points and 4 output points, school
Flat converter situation to take 2 input points, and smoothing converter enables control and Oil pump electrical machinery runs and to take 3 output points,
Therefore steel plate leveling machine PLC 1 must have the high-speed counting input channel on more than 1 road or 1 tunnel, has the input point of 12
With 6 output points, 1 road analog output.
Delta EH series of PLC has the higher ratio of performance to price, and it uses CPU+ASIC, and (high-speed computation processes crystalline substance
Sheet) dual processor, divide the work calculation process technology, elementary instruction speed up to 0.24 microsecond, have four groups of count frequencies up to
The high-speed counter of 200Khz, can carry 8 expansion modules, band RS485 port, and function is strong, can meet requirement, determine to adopt
Be the DVP20EH00R2+DVP04DA-H2 of Delta EH series of PLC, its input point is 12 points, and output point is 8
Point, has four road analog outputs.The address distribution of input and output point is shown in Table 1.
Table 1 steel plate leveling machine PLC allocation tables
For profile-forming machine in order to speed that doorframe move and the distance that move past, profile-forming machine PLC are monitored and controlled in real time
21 must have road high-speed counting input (simultaneously taking 3 input points) and an analog output, and " automatically running ", " stopping " accounting for
By 2 input points, control to rush installing hole mould and cut off mould and take 4 input points and 4 output points, Oil pump electrical machinery, going out
Material electric machines for roller and molding converter situation to take 5 input points, and molding converter enables and controls and Oil pump electrical machinery, discharge roller
Road motor to take 4 output points, and therefore control 45 degree, cut type material both sides sickle needs 2 input points and 8 output points
PLC must have the high-speed counting input channel on more than 1 road or 1 tunnel, has the input point of 18 and 16 output points, and 1
Road analog output, determines to use the DVP32EH00R2+DVP04DA-H2 of Delta EH series of PLC, its input
Point output point is respectively 16 points, has four road analog outputs, band RS485 port.The address distribution of input and output point is shown in Table
2。
Table 2 profile-forming machine PLC allocation tables
It is strong that Delta VE Series Frequency Converter has function, and control accuracy is high, and (frequency setting resolution is maximum output frequency for dummy instruction
1/4096 (12bit) of rate, starts torque big (up to more than 150% during 0.5Hz), big (150% for 60 of overload capacity
seconds；200% for 2 seconds), maximum overcurrent is up to 300%, and defencive function is perfect, to adaptive capacity to environment
By force, reliability is higher, can meet the requirements, it is considered to converter runs for a long time in the environment of the harshest, and its power should leave one
Fixed surplus, determines that smoothing converter 13 uses Delta VFD037V43A-2, molding converter 23 to use Delta
VFD110V43B-2, its input voltage is three-phase 380V, and output is respectively 3.7 kilowatts and 11 kilowatts.Two frequency conversions
Powerful braking resistor all joined by device.
Smoothing touch screen 15 and molding touch screen 25 all use the DOP-V07S201 of Delta, and screen size is 7 cun, its
Esolving degree is 480 × 234,4M internal memory, and 65536 colors are the most color, has the preferable ratio of performance to price.
Smoothing encoder and molding encoder are the E6B2-CWZ6C of Omron, and line number is 2000.
The present invention should allow feed speed fast as far as possible, guarantees position control accuracy again, and this is difficult, to this end,
I is provided with 4 deceleration points, shown in ginseng Fig. 2, when distance controlling target is less than in a program through calculating and repeatedly testing
When the first deceleration point numerical value, PLC sends instruction, and feed speed is down to the 50% of maximal rate, and distance controlling target is little
When equal to the second deceleration point numerical value, feed speed drops 50% again, is down to retro-speed again to feed speed during three deceleration points, arrives
Converter Brake stop during four deceleration points.Work out correction program in a program, can automatically revise deviation, at touch screen
On have can input offset value correction deviation, the most both ensure that position control accuracy, taken into account again feed speed.
Owing to encoder is sensitiveer, when punching, position can change, when determining punching in a program for this or cut-out
Must stop completely just carrying out at steel plate or section bar, and when punching or when cutting off, encoder does not counts.
It addition, quantity and specification (within the specific limits) during punching can arbitrarily select, each PLC will be in the face of more than ten
Plant and select, interrupting because relating to high-speed counting, making procedure quantity increase.But if as oversize in program, the scanning of possible PLC
Time increases, the processing speed of the PLC that slows down, thus impact position control accuracy.We are well-designed PLC and touch screen
Program so that it is refine as far as possible, both met the requirement of user, also ensure that position control accuracy.
Specifically, the control method of steel plate leveling machine control unit includes:
Smoothing Frequency Converter Control smoothing drives motor to run with default feed speed；
Judging whether steel plate arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps the
One speed is constant；
Judging whether steel plate arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed not
Become；
Judging whether steel plate arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps the 3rd speed
Spend constant；
Judging whether steel plate arrives the 4th deceleration point, if so, smoothing converter stops output, and braking starts, if it is not, feed speed is protected
Hold retro-speed constant；
After feed speed is zero, smoothing encoder stops counting, die cutting die action；
After die cutting die resets, smoothing encoder recovers counting, and smoothing converter recovers setting speed.
It addition, the control method of profile-forming machine control unit includes:
Molding Frequency Converter Control molding drives motor to run with default feed speed；
Judging whether section bar arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps the
One speed is constant；
Judging whether section bar arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed not
Become；
Judging whether section bar arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps the 3rd speed
Spend constant；
Judging whether section bar arrives the 4th deceleration point, if so, molding converter stops output, and braking starts, if it is not, feed speed is protected
Hold retro-speed constant；
After feed speed is zero, molding encoder stops counting, die cutting die action；
After die cutting die resets, molding encoder recovers counting, and molding converter recovers setting speed.
In present embodiment, first picture of two touch screens is speech selection, as selected " Chinese ", enters the most below
Picture is entirely Chinese；As selected " ENGLISH ", the picture entered the most below is entirely English.The second of touch screen
Punching press oil pump can be opened on individual picture, select to enter " setting data ", " automatically " or " manually " picture, by " return "
Key returns the first picture.
For steel plate leveling machine, straightener roll forward or reverse can be made (anti-by marking the button of title at " manually " picture
Turn and be usually the material returned), pan mould is rushed in test, and work is the most normal with rushing die for lock hole.At " setting data " picture, if
Determine the speed of steel plate leveling, single smoothing length, rush pan or rush lockhole or not punching, the quantity of punching and pitch-row.?
" automatically " picture, can monitor the speed of steel plate leveling, smooth total length, and this has smoothed length, the type of punching and
Running-active status.
For profile-forming machine, mould can be made to turn by marking the button of title or inverts (anti-at " manually " picture
Turn and be usually the material returned), installing hole mould is rushed in test and cut-out mold work is the most normal, opens discharging roller-way, and test cuts 45 degree
Angle machine work is the most normal.At " setting data " picture, set the speed of product moulding, single molding length, rush installing hole
Quantity and pitch-row, predetermined processing section bar quantity.At " automatically " picture, the speed of product moulding can be monitored, molded always
Length, this molded length, the type of punching and running-active status, complete section bar quantity.
Steel plate leveling machine PLC and profile-forming machine PLC carries out data sharing by RS485, can on the touch screen of a side
To control another operation.When one of both breaks down, another can only manually run.
The feed speed of steel plate leveling machine is slightly larger than the feed speed of profile-forming machine, but it can be according to smoothing steel plate and become
The length difference size of type section bar is regulated the speed, make length difference between the two be maintained at one suitably in the range of.
System work process: after putting into coiled steel plate on request on steel plate leveling machine, presses " automatically running " key, steel plate
Levelling machine runs, by roll bending leveling with by the specification set and pitch-row and quantity punching.Complete the steel plate of smoothing and punching through two meters
Put into profile-forming machine, actuated type forming machine after neutral gear on request, enter the steel plate of profile-forming machine by a lot of mould gradually
Being squeezed into predetermined shape, rush the length cut-out of installing hole and setting subsequently by the pitch-row set and quantity, cut-off section bar enters
Entering discharging roller-way to move forward, when cutting seat in the plane, 45 degree of angles on rear side of section bar enters and putting, discharging roller-way stops, two cylinder actions,
Being compressed by section bar, rear cutting machine runs and cuts, auto-returned after completing, and cylinder returns, and is unclamped by section bar, and discharging roller-way is transported
OK, when cutting seat in the plane, 45 degree of angles on front side of section bar enters and putting, discharging roller-way stops, and section bar is compressed, front cutting by cylinder action
Machine runs and cuts, auto-returned after completing.When machined complete section bar predetermined quantity after, equipment downtime.
Steel plate leveling machine workflow is:
Levelling machine is opened, and quickly, high-speed counting starts → rush 1-N hole → stop, count resets to fixed length levelling machine.
Profile-forming machine workflow is:
Profile-forming machine is opened, and quickly, high-speed counting starts → rush 1-N hole → to fixed length, to cut off, and count resets → both sides cut 45
Degree angle.
In the present invention, fireproof door frame automatic moulding machine control system and control method have the following characteristics that
1. by the making of doorframe from steel plate leveling, cut-to-length, cold roll forming, open pan or lockhole, rush installing hole, open 45
6 procedures such as degree welding groove are once automatically performed；
2. the feed speed of steel plate leveling and product moulding is adjustable, and maximal rate is 20 ms/min；
3. the scale of doorframe be 800 to 3000 millimeters adjustable, scale deviation be less than 1 millimeter；
4. doorframe can arbitrarily select to beat pan or lockhole (quantity is the most optional from 0 to 5, and pitch-row deviation is less than 0.5 millimeter)
And installing hole (quantity is the most optional from 0 to 8, and pitch-row deviation is less than 1 millimeter)；
5., when system meets with hang-up or has a power failure, unless manual reset, the most again continued upper one during start and be not fully complete
Process；
6. the working time can reach one Saturday sky, 8-16 hour every day, ambient temperature 10-50 degree Celsius；
The most whole automatic control system answer reliable operation, convenient to operate, be easily maintained, on the premise of meeting performance requirement, price is as far as possible
Cheap；
8. the user in view of doorframe automatic moulding machine is based on both at home and abroad, design Chinese and English two operation interface for users choosings
Select.
As can be seen from the above technical solutions, the method have the advantages that
The most accurate position control, wide in range speed adjustable range, faster response speed can be reached, both ensure that position control accuracy, again
Take into account feed speed；
The cost of control system significantly reduces, and operability, maintainability are greatly improved；
Improve the efficiency that doorframe produces, production cost substantially reduces, and product quality obtains considerable raising, reduces the work of workman
Intensity, has stopped industrial accident.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and not
In the case of deviating from the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended right
Require rather than described above limits, it is intended that all changes that will fall in the implication of equivalency and scope of claim
Include in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only the most for clarity sake, and those skilled in the art should be by
Description can also form those skilled in the art permissible through appropriately combined as an entirety, the technical scheme in each embodiment
Other embodiments understood.
Claims (10)
1. a fireproof door frame automatic moulding machine control system, it is characterised in that described control system includes steel plate leveling machine control unit and profile-forming machine control unit, wherein,
Described steel plate leveling machine control unit includes:
Steel plate leveling machine PLC, is monitored and controlled the speed that steel plate moves and the distance moved past in real time；
Smoothing encoder, for counting steel plate leveling machine；
Straight die analog quantity output unit, for exporting the straight die analog quantity of steel plate leveling machine PLC；
Smoothing converter, for according to smoothing Analog control smoothing feed speed；
Smoothing drives motor, is connected, for the feeding of steel plate with smoothing converter；
Described profile-forming machine control unit includes:
Profile-forming machine PLC, is monitored and controlled the speed that section bar moves and the distance moved past in real time；
Molding encoder, for counting profile-forming machine；
Shaping mould analog quantity output unit, for the shaping mould analog quantity of output type forming machine PLC；
Molding converter, for controlling molding feed speed according to shaping mould analog quantity；
Molding drives motor, is connected with molding converter, for the feeding of section bar.
Fireproof door frame automatic moulding machine control system the most according to claim 1, it is characterised in that described steel plate leveling machine PLC at least includes 1 tunnel high-speed counting input channel, 12 input points, 6 output points and 1 road analog output.
Fireproof door frame automatic moulding machine control system the most according to claim 2, it is characterised in that described steel plate leveling machine PLC is the DVP20EH00R2+DVP04DA-H2 of Delta EH series of PLC.
Fireproof door frame automatic moulding machine control system the most according to claim 1, it is characterised in that described profile-forming machine PLC at least includes 1 tunnel high-speed counting input channel, 18 input points, 16 output points and 1 road analog output.
Fireproof door frame automatic moulding machine control system the most according to claim 4, it is characterised in that described profile-forming machine PLC is the DVP32EH00R2+DVP04DA-H2 of Delta EH series of PLC.
Fireproof door frame automatic moulding machine control system the most according to claim 1, it is characterised in that described smoothing converter is Delta VFD037V43A-2, molding converter is Delta VFD110V43B-2.
Fireproof door frame automatic moulding machine control system the most according to claim 1, it is characterised in that smoothing encoder and molding encoder are the E6B2-CWZ6C of Omron, and line number is 2000.
Fireproof door frame automatic moulding machine control system the most according to claim 1, it is characterized in that, described steel plate leveling machine control unit also includes smoothing touch screen, and profile-forming machine control unit also includes that molding touch screen, smoothing touch screen and molding touch screen are the DOP-V07S201 of Delta.
9. a fireproof door frame automatic moulding machine control method, it is characterised in that described control method includes:
Smoothing Frequency Converter Control smoothing drives motor to run with default feed speed；
Judging whether steel plate arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps First Speed constant；
Judging whether steel plate arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed constant；
Judging whether steel plate arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps third speed constant；
Judging whether steel plate arrives the 4th deceleration point, if so, smoothing converter stops output, and braking starts, if it is not, feed speed keeps retro-speed constant；
After feed speed is zero, smoothing encoder stops counting, die cutting die action；
After die cutting die resets, smoothing encoder recovers counting, and smoothing converter recovers setting speed.
10. a fireproof door frame automatic moulding machine control method, it is characterised in that described control method includes:
Molding Frequency Converter Control molding drives motor to run with default feed speed；
Judging whether section bar arrives the first deceleration point, if so, feed speed reduces to the 50% of maximum, if it is not, feed speed keeps First Speed constant；
Judging whether section bar arrives the second deceleration point, if so, feed speed subtracts 50% again, if it is not, feed speed keeps second speed constant；
Judging whether section bar arrives the 3rd deceleration point, if so, feed speed reduces to retro-speed, if it is not, feed speed keeps third speed constant；
Judging whether section bar arrives the 4th deceleration point, if so, molding converter stops output, and braking starts, if it is not, feed speed keeps retro-speed constant；
After feed speed is zero, molding encoder stops counting, die cutting die action；
After die cutting die resets, molding encoder recovers counting, and molding converter recovers setting speed.
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| CN106814685A (en) * | 2017-03-11 | 2017-06-09 | 潍坊瑞孚冷弯设备有限公司 | A kind of automatic cold roll forming production line electric-control system |
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