CN208341681U - A kind of continuous casting dummy bar lift cart control device - Google Patents
A kind of continuous casting dummy bar lift cart control device Download PDFInfo
- Publication number
- CN208341681U CN208341681U CN201820630167.XU CN201820630167U CN208341681U CN 208341681 U CN208341681 U CN 208341681U CN 201820630167 U CN201820630167 U CN 201820630167U CN 208341681 U CN208341681 U CN 208341681U
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- China
- Prior art keywords
- switch
- dummy bar
- lift cart
- continuous casting
- close
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a kind of continuous casting dummy bar lift cart control devices, it includes motor, PLC controller, counting gear and close switch, the sprocket wheel that the motor via reducer is engaged with the chain of dragging continuous casting dummy bar lift cart constitutes driving relationship, the counting gear coaxial package is on the transmission shaft of speed reducer, it is described to be fixed on the ground close to switch by switch bracket and corresponding with the tooth on counting gear, the input port of PLC controller is connect close to the signal output end of switch, the PLC controller is connected to motor by motor driver.The utility model calculates the lifting displacement of dummy bar lift cart according to the pulse signal close to switch output, and then judges whether trolley reaches the limit of position.The device avoids conventional control devices because of signal detection wild effect caused by the traversing beat of buting iron, it is ensured that trolley reaches the limit of stably stop behind position, avoids chain breakage accident to economic loss caused by enterprise.
Description
Technical field
The device that the utility model relates to a kind of to walk on fluctuating orbit for controlling continuous casting dummy bar lift cart, can
Guarantee stably stop after trolley reaches the limit of position, belongs to continuous casting equipment technical field.
Background technique
Dummy bar is that sheet billet continuous casting opens the important equipment used when pouring, is opened before pouring, the lift cart that carry dummy bar exists
From storage rack high position decline under the dragging of chain, after lift cart drops to below roller-way, dummy bar is placed on roller-way,
Enter fan-shaped section by roller-way conveying dummy bar to prepare to open to pour.It opens after pouring, dummy bar is detached from slab, is rising after reaching dummy bar roller-way
It drops and rises to a dummy bar storing high position under the drive of trolley again, time use when pouring is opened in waiting next time.
The chain for dragging lift cart is driven by motor via reducer and sprocket wheel, the direction of rotation of motor by
Contactor controls, the control coil of contactor by PLC and be arranged in trolley fluctuating orbit side it is upper close to switch and under
Position is controlled close to switch, and two are welded on lift cart close to the buting iron switched.The shortcomings that this control device is to work as liter
The wheel of trolley drops when occurring traversing beat on fluctuating orbit, and buting iron to the distance close to switch will change, and cause
Signal detection is unstable, i.e., when lift cart reaches the limit of position, it cannot be guaranteed that being triggered close to switch by buting iron.If gone up and down small
Vehicle reaches extreme position up and down and is followed by closely switching to PLC output limit signal, and motor continues to rotate, and chain is possible to can quilt
It breaks, causes biggish economic loss to enterprise.
Utility model content
The purpose of this utility model is that aiming at the disadvantages of the prior art, providing a kind of continuous casting dummy bar lift cart control
Device, with ensure after lift cart reaches the limit of position can stably stop, avoid chain from being pulled off to economy caused by enterprise
Loss.
Problem described in the utility model is realized with following technical proposals:
A kind of continuous casting dummy bar lift cart control device includes motor, PLC controller, counting gear in composition and is connect
Nearly switch, the sprocket wheel that the motor via reducer is engaged with the chain of dragging continuous casting dummy bar lift cart constitute driving and close
System, the counting gear coaxial package are described to be fixed on ground by switch bracket close to switch on the transmission shaft of speed reducer
It is upper and corresponding with the tooth on counting gear, the input port of PLC controller, the PLC are met close to the signal output end of switch
Controller is connected to motor by motor driver.
Above-mentioned continuous casting dummy bar lift cart control device, further includes upper limit switch and lower position switch in composition, and two
Person is mounted on the fluctuating orbit side of dummy bar lift cart and corresponding with the upper limit of lift cart and lower limit respectively, on
The signal output end of limit switch and lower position switch connects the input port of PLC controller, is equipped on dummy bar lift cart
Buting iron corresponding with upper limit switch and lower position switch.
Above-mentioned continuous casting dummy bar lift cart control device, the counting gear by two identical half gears splicings and
At.
The utility model is triggered using the counting gear being mounted on speed reducer driving shaft close to switch, according to close switch
The pulse signal of output calculates the lifting displacement of dummy bar lift cart, and then judges whether trolley reaches the limit of position.
The device avoids conventional control devices because of signal detection wild effect caused by the traversing beat of buting iron, it is ensured that trolley reaches
Stably stop after extreme position avoids chain breakage accident to economic loss caused by enterprise.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the scheme of installation of the utility model；
Fig. 2 is the structural schematic diagram of counting gear.
It is marked in figure as follows: 1, motor, 2, speed reducer, 3, transmission shaft, 4, the first half gears, 5, the second half gears, 6, open
Pass bracket, 7, close switch, 8, sprocket wheel, 9, PLC controller, 10, motor driver, 11, upper limit switch, 12, lift cart,
13, roller-way, 14, dummy bar, 15, lower position switch.
Specific embodiment
The utility model provides a kind of improved continuous casting dummy bar lift cart control device, in the hope of thoroughly solving tradition
Buting iron, close in switch control mode, trolley drives buting iron offset, and chain caused by signal detection is unstable breaks accident,
Reduce cost of equipment maintenance.
Referring to Fig. 1 and Fig. 2, the utility model mainly includes motor 1, speed reducer 2, by the first half gears 4 and the second half teeth
Counting gear, close switch 7, PLC controller 9, motor driver 10, upper limit switch 11 and the lower limit that wheel 5 is spliced
Switch 15.
The size of the first half gears 4 and the second half gears 5 is completely the same, is machined and is made using carbon steel, internal diameter and passes
The outer diameter of moving axis 3 is consistent, and gear teeth tips outer diameter is determined according to counting gear intensity, and the number of teeth is wanted according to trolley positioning accuracy
It asks, gear rotation speed, the response time comprehensive determination close to switch, addendum width is the 1/2 of tooth root width, and thickness is generally
Close to twice of switch diameter.The first half gears 4 and the second half 5 sets of gear formed on transmission shaft 3, after adjustment one it is complete
Counting gear is fixed using welding manner.
It is fixed on switch bracket 6 close to switch 7, it is desirable that the induction end close to switch is opposite with the tooth of counting gear, adjusts
The whole position close to switch meets the distance close to inductive switching end apart from counting gear tooth top close to switch detection and wants
It asks, it then will be close to switch fixation, when guaranteeing that counting gear tooth top reaches the induction end of close switch, close to switch output
High level, and when counting gear tooth root is reached close to inductive switching end, close to switch output low level.
PLC controller 9 selects 400 series of Siemens, and DI template can receive the pulse signal close to switch output.PLC
The dedicated counting module of Siemens is set in controller 9, which, which has, increases, subtracts tally function, and there are also count value Protection Counter Functions.PLC
For controlling the rotation of motor forward and backward, signal distinguishing counting gear limit count value is plus counts controller 9, still subtracts counting,
Guarantee that count value and the position of live trolley are consistent.When upper limit switch 11 has signal, counting gear limit count value is carried out
Automatic mark zero-bit movement, guarantees the accuracy for counting limit.
The course of work of the utility model is as follows:
Open pour before dummy bar lift cart be located at it is upper, at this time PLC controller count limit count value be 0.In the middle
After the sending of control room send dummy ingot to instruct, PLC controller controls motor and rotates forward, and lift cart is begun to decline, while transmission shaft drives and counts
Number gear rotation, is connected when close to inductive switching to counting gear tooth top, turns off when opposite with tooth root, PLC controller receives
Pulse is counted, the every mobile 117mm of lift cart, the count value that PLC controller counts limit adds 1, when count value reaches setting
When 24, PLC controller, which issues to count to limit, reaches the next signal, and control lifting motor stops operating, and dummy bar stops decline.Together
When PLC controller when detecting the next state for counting limit, send dummy ingot roller-way to rotate, continue to send the next dynamic of dummy ingot
Make.
When open pour after, when dummy bar reaches dummy ingot roller-way, PLC controller make dummy bar lifting motor invert, lift cart
It begins to ramp up, while transmission shaft drives counting gear rotation, PLC controller receives counting pulse, the every movement of lift cart
The count value that 117mm, PLC count limit subtracts 1, and when count value reaches the 0 of setting, PLC, which issues to count to limit, reaches upper letter
Number, control lifting motor stops operating, and dummy bar stops rising, and returns to original state.
Upper limit switch 11 and lower position switch 15 can be used as sub-controlling unit, and PLC controller is according to upper limit switch
11 and lower position switch 15 output signal or count pulse can judge whether lift cart reaches the limit of position, by any
A kind of mode judges all lift cart can be made out of service after reaching extreme position, further increases the reliable of equipment operation
Property.
Implementation result:
1,2, No. 3 dummy bar of continuous casting machine lifting device of Tang Gang stainless steel company, originally using buting iron and close to switch control
Averagely monthly there is chain and breaks accident 1 time or more in mode, influences production about 2 hours every time.
After this continuous casting dummy bar lift cart control device, daily maintenance amount is substantially reduced, when influencing production accident
Between be 0, substantially increase production operation efficiency.
1, production benefit: occurring 12 accidents and calculate, influence 2 hours every time according to annual, according to 150 tons of yield when machine/
Hour, 200 yuan of ton steel profit calculating,
2 hour/time × 12 times/year × 150 ton/hour × 200 yuan=720,000 yuan/year
2, equipment benefit: monthly damaging No. 1 chain, and repairing chain expense and maintenance labour cost is 5000 yuan.
5000 yuan × 12 times/year=60,000 yuan
3, reforming equipment is invested: production, installation, debugging 2500 yuan of continuous casting dummy bar lift cart control device/set, and totally 3
Set.
2500 × 3 sets=0.75 ten thousand yuan
Total year total benefit: 72+6-0.75=77.25 ten thousand yuan.
Claims (3)
1. a kind of continuous casting dummy bar lift cart control device, which is characterized in that include motor (1), PLC controller in composition
(9), counting gear and close switch (7), the motor (1) pass through speed reducer (2) and dragging continuous casting dummy bar lift cart
(12) sprocket wheel that chain (8) is engaged constitutes driving relationship, transmission shaft of the counting gear coaxial package in speed reducer (2)
(3) described to be fixed on the ground and corresponding with the tooth on counting gear close to switch (7) by switch bracket (6) on, it approaches
The signal output end of switch (7) connects the input port of PLC controller (9), and the PLC controller (9) passes through motor driver
(10) it is connect with motor (1).
2. continuous casting dummy bar lift cart control device according to claim 1, which is characterized in that on further including in composition
Limit switch (11) and lower position switch (15), the two are mounted on the fluctuating orbit side of dummy bar lift cart (12) and difference
It is corresponding with the upper limit of lift cart (12) and lower limit, the signal output of upper limit switch (11) and lower position switch (15)
The input port for terminating PLC controller (9) is equipped with and upper limit switch (11) and lower limit on dummy bar lift cart (12)
Switch (15) corresponding buting iron.
3. continuous casting dummy bar lift cart control device according to claim 1 or 2, which is characterized in that the counting tooth
Wheel is spliced by two identical half gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630167.XU CN208341681U (en) | 2018-04-28 | 2018-04-28 | A kind of continuous casting dummy bar lift cart control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630167.XU CN208341681U (en) | 2018-04-28 | 2018-04-28 | A kind of continuous casting dummy bar lift cart control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341681U true CN208341681U (en) | 2019-01-08 |
Family
ID=64887726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820630167.XU Expired - Fee Related CN208341681U (en) | 2018-04-28 | 2018-04-28 | A kind of continuous casting dummy bar lift cart control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208341681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445437A (en) * | 2022-08-17 | 2022-12-09 | 山鹰国际控股股份公司 | SDI automatic sampling control method |
-
2018
- 2018-04-28 CN CN201820630167.XU patent/CN208341681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445437A (en) * | 2022-08-17 | 2022-12-09 | 山鹰国际控股股份公司 | SDI automatic sampling control method |
| CN115445437B (en) * | 2022-08-17 | 2023-10-03 | 山鹰国际控股股份公司 | SDI automatic sampling control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |