CN102716912A - Band tail impact prevention roller alarm system for band steel cold rolling machine - Google Patents
Band tail impact prevention roller alarm system for band steel cold rolling machine Download PDFInfo
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- CN102716912A CN102716912A CN2012101973470A CN201210197347A CN102716912A CN 102716912 A CN102716912 A CN 102716912A CN 2012101973470 A CN2012101973470 A CN 2012101973470A CN 201210197347 A CN201210197347 A CN 201210197347A CN 102716912 A CN102716912 A CN 102716912A
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Abstract
A band tail impact prevention roller alarm system for a band steel cold rolling machine comprises a rack, wherein rollers are arranged on the rack, the two ends of the rack are respectively provided with a winding down frame, each winding down frame comprises two support frames and a winding drum, and the two ends of the winding drum are hinged to the support frames. The roller alarm system further comprises a detection alarm mechanism, wherein the detection alarm mechanism comprises a detection device, an alarm device, a linked switch and a power supply, one detection device is arranged on each winding down frame and comprises an infrared photocell and a reflector, and the infrared photocells and the reflectors are respectively installed on the two support frames of each winding down frame. When the screen residue weight of the band steel on the winding down frame reaches a certain degree, alarm can be sent out to warn an operator to reduce the rotating speed of the cold rolling machine, so danger is prevented from being caused.
Description
Technical field
The invention belongs to the cold press technical field, especially relate to the anti-magnetic tape trailer of cold strip mill and impact the roll warning system.
Background technology
Cold strip mill is used for cold-strip steel and thin plate, and band steel and thin plate general thickness are 0.1～3mm, width 100～2000mm; Be raw material all, become a useful person through cold-rolling mill is rolling at normal temperatures with hot-strip or steel plate.Cold-strip steel and thin plate have any surface finish, smooth, dimensional accuracy is high and advantage such as good mechanical property, the most rolling of product, and have greatly and dispatch from the factory through being processed into coated steel sheet.Rolling flat cold-rolled sheet production efficiency is high, and is easy to use, helps following process.Therefore be widely used, replace the hot pack-rolled sheet of same thickness gradually.The output of cold-strip steel and thin plate has accounted for about 30% of steel total output in industrially developed country.Steel grade also has silicon steel, stainless steel and structural alloy steel etc. except that ordinary carbon steel.
Cold strip mill comprises a frame that has rolling mechanism; The two ends of said frame respectively are provided with a spooler; The band coil of strip is on the reel of spooler; Right latter two spooler spurs the band steel back and forth, rolling mechanism in the drawing process back and forth of band steel, continuous thinner with belt steel rolling.In the operation of rolling, the afterbody that is positioned at two band steel on the devices for taking-up can not be machined into, because band steel mid portion is in the repeat-rolling process; Thickness reduces than band steel afterbody greatly; At this time, if band steel afterbody is pulled into suddenly in the rolling mechanism, light then influence the plate face quality of product; Heavy then damage roll and quick-fried roller, a ton steel rider consumption is risen.We are referred to as whipping to the phenomenon that band steel afterbody gets into rolling mechanism.In order to prevent the generation of whipping phenomenon; Cold-rolling mill is all through programme-control, and when the band steel on one of them spooler near afterbody the time, program is just controlled this spooler work; Stop the running of the devices for taking-up of the other end; Start the spooler work of this end, the band coil of strip on the spooler of the other end is come, so back and forth.
But because if programming the time is provided with parameter error, the band steel that might occur on the devices for taking-up of an end has arrived afterbody; The devices for taking-up of the other end is also continuing running; This will be pulled into the afterbody of the band steel on this end in the rolling mechanism, causes whipping, therefore is necessary to change.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide the anti-magnetic tape trailer of cold strip mill to impact the roll warning system, can effectively prevent the generation of whipping phenomenon.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals: the anti-magnetic tape trailer of cold strip mill impacts the roll warning system, comprises frame; Said frame is provided with rolls rod, and the two ends of said frame respectively are provided with a spooler, and said spooler comprises two bracing frames and a reel; Said reel two ends are hinged on the support frame as described above, also comprise detection alarm mechanism, and said detection alarm mechanism comprises checkout gear, warning device, linked switch and power supply; All be provided with a said checkout gear on each said spooler, said checkout gear comprises infrared photocell and reflector, and said infrared photocell and said reflector are installed in respectively on two bracing frames of each said spooler; When the amount of the band steel on the said reel was less than to a certain degree, the light that said infrared photocell penetrates shone on the said reflector said reflector reflection ray; Make said infrared photocell state change; Said warning device gives the alarm according to this change, and operating personnel are according to this alarm; Start said linked switch, said linked switch starts the later cold-rolling mill reduction of speed all clear simultaneously that makes.When the band steel on the reel is less than when a certain amount of, warning device can give the alarm, and reminds operating personnel to close cold-rolling mill, guarantees can not occur being with the steel afterbody can not be pulled in the rolling mechanism.
In the technique scheme, preferred, also comprise time-delay relay; When said infrared photocell state changed, said time-delay relay started, behind the delay certain hour; If said linked switch is not activated, said time-delay relay automatically with the cold-rolling mill reduction of speed until shutdown.Be provided with after the time-delay relay,, also can stop cold-rolling mill automatically, prevent to be with the steel afterbody to get into rolling mechanism, the safety of the cold-rolling mill that guarantees to know clearly even operating personnel do not notice alarm.
In the technique scheme, preferred, the delay adjustments time of said time-delay relay is 3-7 second.
The invention has the beneficial effects as follows: when the band steel on the reel is less than when a certain amount of, warning device can give the alarm, and reminds operating personnel to close cold-rolling mill, guarantees can not occur being with the steel afterbody can not be pulled in the rolling mechanism.
Description of drawings
Fig. 1 is the sketch map of the embodiment of the invention.
Fig. 2 is the sketch map of spooler.
Fig. 3 is the electrical schematic of the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3; The anti-magnetic tape trailer of cold strip mill impacts the roll warning system; Comprise frame 1, said frame 1 is provided with rolls rod 11, and the two ends of said frame 1 respectively are provided with a spooler 2; Said spooler 2 comprises two bracing frames 21 and a reel 22, and said reel 22 two ends are hinged on the support frame as described above 21.
Detection alarm mechanism comprises checkout gear, warning device 4, time-delay relay TJ, linked switch 5 and power supply E; Checkout gear comprises infrared photocell 31 and reflector 32; Infrared photocell 31 is installed in respectively on two bracing frames 21 of each spooler 2 with reflector 32, and during operate as normal, the light that infrared photocell 31 penetrates is blocked by the band steel 23 of reeling on the reel 22; Therefore, the light that sends of infrared photocell 31 can't be delivered on the reflector 32.When the amount of the band steel on the reel 22 was less than to a certain degree, the light that infrared photocell 31 penetrates can shine on the reflector 32 reflector 32 reflection rays; Make infrared photocell 31 states change; Warning device 4 gives the alarm according to this change, and operating personnel are according to this alarm; Start linked switch 5, linked switch 5 makes the cold-rolling mill reduction of speed sound all clear simultaneously.If operating personnel do not find alarm, then time-delay relay TJ starts, automatically with the cold-rolling mill reduction of speed until shutdown.Respectively be provided with a cover on each spooler 2 of checkout gear, when the checkout gear of any cover on the spooler 2 detects on the reel 22 band steel 23 very few the time, warning device 4 all can alarm.Warning device 4 can be alarm lamp, loudspeaker etc.
Referring to Fig. 3, the power supply E connection that concrete circuit theory diagrams of the present invention, power switch K1 close the detection alarm device; When left and right sides spooler control change-over switch K2 port; Relay J 2 gets electric adhesive moving together contact J2-2, and infrared photocell 32 gets electric, simultaneously also adhesive of moving together contact J2-1.When the band steel 23 on the reel 22 is in home, relay J 1 adhesive, relay J 1 break contact J1-1 discharges.When the amount of the band steel 23 on the reel 22 is less than when a certain amount of, reflecting plate 32 makes the conversion of infrared photocell 31 states, and relay J 1 discharges; Relay J 1 break contact J1-1 restores, and closed through moving together contact J2-1, alarm lamp 7 audible alarms are reminded; Operating personnel operate synchronous multicontact gang switch 5 control sticks; Make the cold-rolling mill reduction of speed remove warning simultaneously, as report to the police back 5 seconds also the someone operate time-delay relay TJ conducting; Moving together contact TJ1, the automatic reduction of speed of TJ2 closed control cold-rolling mill can prevent effectively that until shutdown the spooler 2 band steel whippings in left side from impacting roll.
When left and right sides spooler control change-over switch 3 turned to the centre position, the detection alarm device was not worked.
When left and right sides spooler control change-over switch K2 turned to the right side, relay J 4 got electric adhesive moving together contact J4-2 conducting, and infrared photocell 32 gets working power, simultaneously also adhesive of moving together contact J4-1.When the band steel 23 on the reel is in home, relay J 3 adhesives, relay J 3 break contact J3-1 discharge.When the amount of the band steel 23 on the reel 22 is less than when a certain amount of, reflecting plate 32 makes the conversion of infrared photocell 31 states, and relay J 3 discharges; Relay J 3 break contact J3-1 restore, and closed through moving together contact J4-1, alarm lamp 7 audible alarms are reminded; Operating personnel operate synchronous multicontact gang switch 5 control sticks; Make the cold-rolling mill reduction of speed remove warning simultaneously, as report to the police back 5 seconds also the someone operate time-delay relay TJ conducting; Moving together contact TJ1, the automatic reduction of speed of TJ2 closed control cold-rolling mill can prevent effectively that until shutdown the spooler 2 band steel whippings on right side from impacting roll.
Claims (4)
1. the anti-magnetic tape trailer of cold strip mill impacts the roll warning system; Comprise frame (1), said frame (1) is provided with rolls rod (11), and the two ends of said frame (1) respectively are provided with a spooler (2); Said spooler (2) comprises two bracing frames (21) and a reel (22); Said reel (22) two ends are hinged on the support frame as described above (21), it is characterized in that: also comprise detection alarm mechanism, said detection alarm mechanism comprises checkout gear, warning device (4), linked switch (5) and power supply (6); All be provided with a said checkout gear on each said spooler (2); Said checkout gear comprises infrared photocell (31) and reflector (32), and said infrared photocell (31) and said reflector (32) are installed in respectively on two bracing frames (21) of each said spooler (2), when the amount of the band steel on the said reel (22) is less than to a certain degree; The light that said infrared photocell (31) penetrates shines on the said reflector (32); Said reflector (32) reflection ray makes said infrared photocell (31) state change, and said warning device (4) is according to this change; Give the alarm; Operating personnel start said linked switch (5) according to this alarm, make the cold-rolling mill reduction of speed until shutting down all clear simultaneously after said linked switch (5) starts.
2. the anti-magnetic tape trailer of cold strip mill according to claim 1 impacts the roll warning system; It is characterized in that: also comprise time-delay relay (TJ); When said infrared photocell (31) state changed, said time-delay relay (TJ) started, behind the delay certain hour; If said linked switch (5) is not activated, said time-delay relay (7) adhesive moving together contact automatically with the cold-rolling mill reduction of speed until shutdown.
3. the anti-magnetic tape trailer of cold strip mill according to claim 2 impacts the roll warning system, and it is characterized in that: the delay adjustments time of said time-delay relay (TJ) is 3-7 second.
4. the anti-magnetic tape trailer of cold strip mill according to claim 3 impacts the roll warning system, and it is characterized in that: said warning device (4) is alarm lamp or loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101973470A CN102716912A (en) | 2012-06-15 | 2012-06-15 | Band tail impact prevention roller alarm system for band steel cold rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101973470A CN102716912A (en) | 2012-06-15 | 2012-06-15 | Band tail impact prevention roller alarm system for band steel cold rolling machine |
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| Publication Number | Publication Date |
|---|---|
| CN102716912A true CN102716912A (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101973470A Pending CN102716912A (en) | 2012-06-15 | 2012-06-15 | Band tail impact prevention roller alarm system for band steel cold rolling machine |
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| CN (1) | CN102716912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339856A (en) * | 2018-02-02 | 2018-07-31 | 包头钢铁（集团）有限责任公司 | A kind of self-protection chained approach |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107716A (en) * | 1982-12-08 | 1984-06-22 | Kawasaki Steel Corp | Control method for stopping tail end of treating line in reversible rolling |
| JP2001105015A (en) * | 1999-10-08 | 2001-04-17 | Mitsubishi Alum Co Ltd | Automatic reduction gear and automatic decelerating method for rolling mill |
| WO2009033928A1 (en) * | 2007-09-07 | 2009-03-19 | Siemens Aktiengesellschaft | Device for determining a temperature of a hot-rolled material and method for the open-loop and/or closed-loop control of a temperature of a hot-rolled material |
| CN201400815Y (en) * | 2009-04-24 | 2010-02-10 | 上海电机学院 | Cloth tearing machine |
| CN202212412U (en) * | 2011-08-12 | 2012-05-09 | 中冶陕压重工设备有限公司 | Belt tail accurate stopping system for rolling mill |
| CN202683612U (en) * | 2012-06-15 | 2013-01-23 | 宁波盈展精密薄板有限公司 | Strip tail impact prevention roller alarming system of strip steel cold rolling machine |
-
2012
- 2012-06-15 CN CN2012101973470A patent/CN102716912A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107716A (en) * | 1982-12-08 | 1984-06-22 | Kawasaki Steel Corp | Control method for stopping tail end of treating line in reversible rolling |
| JP2001105015A (en) * | 1999-10-08 | 2001-04-17 | Mitsubishi Alum Co Ltd | Automatic reduction gear and automatic decelerating method for rolling mill |
| WO2009033928A1 (en) * | 2007-09-07 | 2009-03-19 | Siemens Aktiengesellschaft | Device for determining a temperature of a hot-rolled material and method for the open-loop and/or closed-loop control of a temperature of a hot-rolled material |
| CN201400815Y (en) * | 2009-04-24 | 2010-02-10 | 上海电机学院 | Cloth tearing machine |
| CN202212412U (en) * | 2011-08-12 | 2012-05-09 | 中冶陕压重工设备有限公司 | Belt tail accurate stopping system for rolling mill |
| CN202683612U (en) * | 2012-06-15 | 2013-01-23 | 宁波盈展精密薄板有限公司 | Strip tail impact prevention roller alarming system of strip steel cold rolling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339856A (en) * | 2018-02-02 | 2018-07-31 | 包头钢铁（集团）有限责任公司 | A kind of self-protection chained approach |
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Application publication date: 20121010 |