CN102950168A - Automatic centering logic numerical control device of cold-rolled strip steel uncoiler - Google Patents
Automatic centering logic numerical control device of cold-rolled strip steel uncoiler Download PDFInfo
- Publication number
- CN102950168A CN102950168A CN2011102424014A CN201110242401A CN102950168A CN 102950168 A CN102950168 A CN 102950168A CN 2011102424014 A CN2011102424014 A CN 2011102424014A CN 201110242401 A CN201110242401 A CN 201110242401A CN 102950168 A CN102950168 A CN 102950168A
- Authority
- CN
- China
- Prior art keywords
- relay
- normally
- contact
- normally opened
- negative terminal
- Prior art date
- 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.)
- Granted
Links
Images
Abstract
The invention discloses an automatic centering logic numerical control device of a cold-rolled strip steel uncoiler. The device adopts three infrared photoelectric sensors to detect the strip steel deviation and the strip steel uncoiling threading, adopts two electromagnetic induction switches to detect the displacement signal of the uncoiler, adopts a limit switch to detect the movement limit of the width fixing block on a screw, and adopts a velocity measurement generator to detect the velocity signal of the driving motor of the uncoiler and to feedback the velocity signal to a proportion amplifier; a detection signal is provided to a logic control circuit formed by a button and a relay; and the control circuit controls an uncoiler pedestal centering, deviation correcting and width fixing execution mechanism to realize the uncoiler pedestal automatic centering, strip steel uncoiling threading detection, strip steel automatic edge tracking and width fixing, strip steel deviation correction functions, so the equipment maintenance cost can be effectively reduced, and the normal running of a cold rolling unit is guaranteed.
Description
Technical field
The present invention relates to a kind of cold-strip steel uncoiler automatic centering logic numerical control device.
Background technology
Can transverse shifting between cold-rolling mill processing uncoiler common process transmission side, the fore side, under centralising device control, the retainer belt steel is in the production line of rolling mill center.
Drive motors drives uncoiler hypertonic axle by gearbox and realizes the coil of strip uncoiling, the band steel moves ahead in C type frame after the coil of strip uncoiling, an in opposite directions screw mandrel of screw thread is installed on the C type frame, the screw mandrel two ends are respectively equipped with the Fixed width piece, screw mandrel is by the Fixed width motor-driven, according to strip width by the Fixed width piece to realize with the width of steel at C type frame, the transverse shifting of uncoiler passes through Driven by Hydraulic Cylinder, hydraulic cylinder is by proportional amplifier and commutation proportional valve control, and the whole transverse shifting of promotion drive motors, gearbox and uncoiler.
The centralising device of former cold-rolling mill processing uncoiler adopts the strip deviation correction control system of German EMG, and its detecting head is that analog signals becomes with side-play amount, changes to+10V at-10V.After detecting head damages, because price, and general not in stock (about 60,000 yuan of a pair of probe, about 70,000 yuan of one cover die control device), the spare part ordering cycle needs 4 months, probe damages and causes whole control system to work without spare part, has had a strong impact on thus the normal operation of cold rolling unit, has reduced production efficiency.
Summary of the invention
Technical problem to be solved by this invention is to improve a kind of cold-strip steel uncoiler automatic centering logic numerical control device, this device can be realized in the uncoiler base automatic seeking, band steel uncoiling threading surveys, is with steel automatic seeking limit Fixed width, strip running deviation to correct function, effectively reduce standby redundancy and the cost of overhaul, guarantee the normal operation of cold rolling unit, improved production efficiency.
For solving the problems of the technologies described above, cold-strip steel uncoiler automatic centering logic numerical control device of the present invention comprises the control power supply, uncoiler by drive motors and gearbox driving, be located at the C type frame in uncoiler the place ahead, be located at the in opposite directions threaded screw rod of C type frame one side, be located at respectively the Fixed width piece at screw mandrel two ends, drive the Fixed width motor of screw mandrel, the proportional amplifier of the hydraulic cylinder that the control uncoiler is traversing and control hydraulic cylinder and commutation proportioning valve, this device also comprises the tachometer generator that connects described drive motors rotating shaft, the first infrared photoelectric sensor, the second infrared photoelectric sensor, the 3rd infrared photoelectric sensor, the first electromagnetic induction switch, the second electromagnetic induction switch, limit switch with normally-closed contact, often drive button, the first relay with a normally opened contact and two normally-closed contacts, the second relay with a normally opened contact and two normally-closed contacts, the 3rd relay with two normally opened contacts and two normally-closed contacts, the 4th relay with a normally opened contact, the 5th relay with two normally opened contacts, the 6th relay with a normally opened contact and a normally-closed contact, with the 7th relay of a normally-closed contact with the 8th relay of three normally opened contacts and three normally-closed contacts, the transmitting tube of described the first infrared photoelectric sensor and the second infrared photoelectric sensor and receiving tube are located at respectively 2 and be positioned at described screw mandrel two ends Fixed width piece linear position up and down on described C type frame, the receiving tube of described the 3rd infrared photoelectric sensor is located at described screw mandrel top, transmitting tube is located at described C type frame mid point below, described limit switch is positioned at described screw mandrel one end, described the first electromagnetic induction switch and the second electromagnetic induction switch respectively interval are located on the firm banking of described gearbox and described the first electromagnetic induction switch is positioned at the gearbox middle position, the second electromagnetic induction switch is positioned at gearbox one side outer end, described the first infrared photoelectric sensor, the second infrared photoelectric sensor and the transmitting tube of the 3rd infrared photoelectric sensor connect respectively the positive and negative terminal of described control power supply, the contact of described the first infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the first relay coil, the contact of described the second infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the second relay coil, the contact of described the 3rd infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the 3rd relay coil, the 3rd normally-closed contact that described the 4th relay coil is connected in series respectively described the first relay connects described control power supply positive and negative terminal with being connected behind the 3rd normally-closed contact of relay, be connected in series successively the 5th relay coil after described the first normally opened contact parallel connection of often driving button and the 5th relay, the normally-closed contact of the 7th relay, connect described control power supply positive and negative terminal behind the 6th normally-closed contact of the 8th relay, described the 6th relay coil and described the 5th relay coil are connected in parallel, described the 7th relay coil connects described control power supply positive and negative terminal after being connected in series described the first electromagnetic induction switch contact, described the 8th relay coil connects described control power supply positive and negative terminal after being connected in series described the second electromagnetic induction switch contact, the 3rd normally opened contact of described the 8th relay be parallel to two ends, described the second electromagnetic induction switch contact after the second normally opened contact of the 6th relay is connected in series, be connected described control power positive end and Fixed width motor anode after the 3rd normally-closed contact of described the 3rd relay and the normally opened contact of the 4th relay serial connection, be connected described control power supply negative terminal and Fixed width motor negative terminal after the 4th normally-closed contact of described the 3rd relay and the limit switch normally-closed contact serial connection, the first normally opened contact of described the 3rd relay connects between the normally opened contact of the 3rd normally-closed contact of described control power supply negative terminal and the 3rd relay and the 4th relay, the second normally opened contact of described the 3rd relay connects described control power positive end and Fixed width motor negative terminal, the power end of described proportional amplifier connects the positive and negative terminal of described control power supply, the signal output part of described tachometer generator connects the signal input part of described proportional amplifier, the second normally opened contact of described the 5th relay, the 4th normally-closed contact of the 8th relay, the second normally-closed contact of the first relay, the first normally-closed contact of the 6th relay is connected in series the signal output positive and negative terminal of the described proportional amplifier of rear connection successively, the first normally opened contact of described the 8th relay and the first normally-closed contact of the 6th relay are connected in parallel, the first normally opened contact of described the first relay, the commutation proportioning valve, the second normally-closed contact of the second relay, 5 constant virtues closed contact of the 8th relay is connected in series the signal output positive and negative terminal of the described proportional amplifier of rear connection successively, the first normally opened contact of described the first relay is parallel to the 4th normally-closed contact two ends of the second normally opened contact and the 8th relay of described the 5th relay, and the first normally opened contact of described the second relay is connected between the second normally-closed contact of the signal output plus terminal of described proportional amplifier and commutate proportioning valve and the second relay afterwards with the second normally opened contact parallel connection of the 8th relay.
Further, this device also comprises diode, and the second normally opened contact one end of described the 6th relay of the anodic bonding of described diode, negative electrode connect described the 8th relay coil one end.
Because cold-strip steel uncoiler automatic centering logic numerical control device of the present invention has adopted technique scheme, be that this device adopts two infrared photoelectric sensors to detect strip running deviation, an infrared photoelectric sensor detects band steel uncoiling threading, two electromagnetic induction switch detect the uncoiler displacement signal, limit switch detects the displacement limits of Fixed width piece on the screw mandrel, the drive motors rate signal that tachometer generator detects uncoiler feeds back to proportional amplifier, and detection signal provided to the loop control logics that have a button and eight relays to consist of, control loop is controlled respectively the Fixed width motor, the commutation proportioning valve moves as required, the commutation proportioning valve provides signal by proportional amplifier and drives the lateral displacement that the hydraulic cylinder action realizes uncoiler, and the Fixed width motor drives the screw mandrel action by connecting rod and realizes the infrared photoelectric sensor Fixed width; This device can be realized in the uncoiler base automatic seeking, band steel uncoiling threading surveys, is with steel automatic seeking limit Fixed width, strip running deviation to correct function, effectively reduces standby redundancy and the cost of overhaul, has guaranteed the normal operation of cold rolling unit, has improved production efficiency.
Description of drawings
The present invention is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is that this cold-strip steel uncoiler automatic centering logic numerical control device element is arranged schematic diagram,
Fig. 2 is the principle schematic of this cold-strip steel uncoiler automatic centering logic numerical control device.
The specific embodiment
As depicted in figs. 1 and 2, cold-strip steel uncoiler automatic centering logic numerical control device of the present invention comprises control power supply V, uncoiler 15 by drive motors 12 and gearbox 11 drivings, be located at the C type frame 17 in uncoiler 15 the place aheads, be located at the in opposite directions threaded screw rod 13 of C type frame 17 1 sides, be located at respectively the Fixed width piece 14 at screw mandrel 13 two ends, drive the Fixed width motor 19 of screw mandrel 13, the proportional amplifier 21 of the hydraulic cylinder 18 that control uncoiler 15 is traversing and control hydraulic cylinder 18 and commutation proportioning valve 20, this device also comprises the tachometer generator 23 that connects described drive motors 12 rotating shafts, the first infrared photoelectric sensor C1, the second infrared photoelectric sensor C2, the 3rd infrared photoelectric sensor C3, the first electromagnetic induction switch K1, the second electromagnetic induction switch K2, limit switch K3 with normally-closed contact K31, often open button K4, the first relay J 1 with a normally opened contact and two normally-closed contacts, the second relay J 2 with a normally opened contact and two normally-closed contacts, the 3rd relay J 3 with two normally opened contacts and two normally-closed contacts, the 4th relay J 4 with a normally opened contact, the 5th relay J 5 with two normally opened contacts, the 6th relay J 6 with a normally opened contact and a normally-closed contact, with the 7th relay J 7 of a normally-closed contact with the 8th relay J 8 of three normally opened contacts and three normally-closed contacts, the transmitting tube of described the first infrared photoelectric sensor C1 and the second infrared photoelectric sensor C2 and receiving tube are located at respectively described C type frame about in the of 17 2 and be positioned at described screw mandrel 13 two ends Fixed width piece 14 linear positions, the receiving tube of described the 3rd infrared photoelectric sensor C3 is located at described screw mandrel 13 tops, transmitting tube is located at described C type frame 17 mid points below, described limit switch K3 is positioned at described screw mandrel 13 1 ends, described the first electromagnetic induction switch K1 and the second electromagnetic induction switch K2 respectively interval are located on the firm banking of described gearbox 11 and described the first electromagnetic induction switch K1 is positioned at gearbox 11 middle positions, the second electromagnetic induction switch K2 is positioned at gearbox 11 1 side outer ends, described the first infrared photoelectric sensor C1, the transmitting tube of the second infrared photoelectric sensor C2 and the 3rd infrared photoelectric sensor C3 connects respectively the positive and negative terminal of described control power supply V, the contact of described the first infrared photoelectric sensor C1 receiving tube connects described control power supply V positive and negative terminal after being connected in series described the first relay J 1 coil, the contact of described the second infrared photoelectric sensor C2 receiving tube connects described control power supply V positive and negative terminal after being connected in series described the second relay J 2 coils, the contact of described the 3rd infrared photoelectric sensor C3 receiving tube connects described control power supply V positive and negative terminal after being connected in series described the 3rd relay J 3 coils, the 3rd normally-closed contact J13 that described the 4th relay J coil is connected in series respectively described the first relay J 1 connects described control power supply V positive and negative terminal with being connected behind the 3rd normally-closed contact J23 of relay J 2, be connected in series successively the 5th relay J 5 coils after described the first normally opened contact J51 parallel connection of often opening button K4 and the 5th relay J 5, the normally-closed contact J71 of the 7th relay J 7, connect described control power supply V positive and negative terminal behind the 6th normally-closed contact J86 of the 8th relay J 8, described the 6th relay J 6 coils are connected with described the 5th relay J 5 coils from parallel connection of coils, connect described control power supply V positive and negative terminal behind described the first electromagnetic induction switch K1 contact K11 of described the 7th relay J 7 coil tandems, connect described control power supply V positive and negative terminal behind described the second electromagnetic induction switch K2 contact K21 of described the 8th relay J 8 coil tandems, the 3rd normally opened contact J83 of described the 8th relay J 8 be parallel to K21 two ends, described the second electromagnetic induction switch K2 contact after the second normally opened contact J62 of the 6th relay J 6 is connected in series, be connected described control power supply V anode and Fixed width motor 19 anodes after the first normally-closed contact J31 of described the 3rd relay J 3 and the normally opened contact J41 of the 4th relay J 4 serial connection, be connected described control power supply V negative terminal and Fixed width motor 19 negative terminals after the second normally-closed contact J32 of described the 3rd relay J 3 and the limit switch K3 normally-closed contact K31 serial connection, the first normally opened contact J31 of described the 3rd relay J 3 connects between the normally opened contact J41 of the first normally-closed contact J31 of described control power supply V negative terminal and the 3rd relay J 3 and the 4th relay J 4, the second normally opened contact J32 of described the 3rd relay J 3 connects described control power supply V anode and Fixed width motor 19 negative terminals, the power end of described proportional amplifier 21 connects the positive and negative terminal of described control power supply V, the signal output part of described tachometer generator 23 connects the signal input part of described proportional amplifier 21, the second normally opened contact J52 of described the 5th relay J 5, the first normally-closed contact J81 of the 8th relay J 8, the second normally-closed contact J12 of the first relay J 1, the first normally-closed contact J61 of the 6th relay J 6 is connected in series the signal output positive and negative terminal of the described proportional amplifier 21 of rear connection successively, the first normally opened contact J81 of described the 8th relay J 8 and the first normally-closed contact J61 of the 6th relay J 6 are connected in parallel, the first normally opened contact J11 of described the first relay J 1, commutation proportioning valve 20, the second normally-closed contact J22 of the second relay J 2, the second normally-closed contact J82 of the 8th relay J 8 is connected in series the signal output positive and negative terminal of the described proportional amplifier 21 of rear connection successively, the first normally opened contact J11 of described the first relay J 1 is parallel to the second normally opened contact J52 of described the 5th relay J 5 and the first normally-closed contact J81 two ends of the 8th relay J 8, and the first normally opened contact J21 of described the second relay J 2 is connected between the second normally-closed contact J22 of the signal output plus terminal of described proportional amplifier 21 and commutate proportioning valve 20 and the second relay J 2 afterwards with the second normally opened contact J82 parallel connection of the 8th relay J 8.
Further, this device also comprises diode D, and the second normally opened contact J62 one end of described the 6th relay J 6 of the anodic bonding of described diode D, negative electrode connect described the 8th relay J 8 coils one end.Diode D arranges the release that has guaranteed the 8th relay J 8, has avoided the misoperation of the 8th relay J 8, thereby has further guaranteed the reliability of logic control.
This device can be realized function in the uncoiler support automatic seeking, at uncoiler gearbox 11 mid points sensing chip 24 is set, when being positioned at the first electromagnetic induction switch K1 left side such as sensing chip 24, at first press and often open button K4, support begins in the automatic seeking, the 5th relay J 5 gets electric adhesive, its first normally opened contact J51 closure makes 5 self-insurances of the 5th relay J, the 6th thereupon adhesive of relay J 6 this moment, the second normally opened contact J52 of the 5th relay J 5 is closed, and commutation proportioning valve 20 forwards get electric and drive hydraulic cylinder 18 and promote drive motors 12, gearbox 11, uncoiler 10 integral body move right, when sensing chip 24 moves on to the first electromagnetic induction switch K1, the first electromagnetic induction switch K1 contact K11 is closed, 7 adhesives of the 7th relay J, its normally-closed contact J71 disconnects, and the 5th relay J 5 dead electricity discharge, 20 outages of commutation proportioning valve put in place during support is sought.When being positioned at the first electromagnetic induction switch K1 right side such as sensing chip 24, press and often open button K4, this moment as mentioned above, hydraulic cylinder 18 moves right, when sensing chip 24 moves to the second electromagnetic induction switch K2, the contact K21 of the second electromagnetic induction switch K2 is closed, the 8th relay J 8 gets electric adhesive, the first normally opened contact J81 of the 8th relay J 8, the second normally opened contact J82 is closed, commutation proportioning valve 20 is electricly reverse, hydraulic cylinder 18 travelling backwards, this moment, the original second normally opened contact J62 of closed the 6th relay J 6 of the closed simultaneously warp of the 3rd normally opened contact J83 of the 8th relay J 8 connected with diode D with 8 self-insurances of the 8th relay J, when sensing chip 24 is got back to the first electromagnetic induction switch K1, the 7th relay J 7 gets electric adhesive, its normally-closed contact J71 disconnects, and 5 outages of the 5th relay J discharge, in the finishing stand automatic seeking.
Band steel uncoiling threading is surveyed, band steel automatic seeking limit Fixed width function, upload to when coil of strip 15 on the hypertonic axle 16 of uncoiler 10D, through passing between the transmitting tube and receiving tube of the 3rd infrared photoelectric sensor C3 with steel 22 of uncoiling, when the 3rd infrared photoelectric sensor C3 detects band steel 22, the 3rd relay J 3 gets electric adhesive, its the first normally opened contact J31 and the second normally opened contact J32 are closed, the 3rd normally-closed contact J33 disconnects, it is adhesive that the 4th relay J 4 powers on, its normally opened contact J41 is closed, this moment, Fixed width motor 19 was electricly reverse, and drive screw mandrel 13 rotates counterclockwise, the Fixed width piece 14 synchronous indentations at screw mandrel 13 two ends, the spacing K3 normally-closed contact K31 that opens recovers conducting, when the first infrared photoelectric sensor C1 and the second infrared photoelectric sensor C2 detect band steel 22 edge, the first relay J 1 and the second relay J 2 get electric adhesive, the 3rd normally-closed contact J13 of the first relay J 1 and the 3rd normally-closed contact J23 of the second relay J 2 disconnect, the 4th relay J 4 discharges, its normally opened contact J41 disconnects, 19 stalls of Fixed width motor, be with this moment steel 22 width to determine, thereby realized the detection of band steel uncoiling threading and automatic seeking limit Fixed width function.When coil of strip 15 uncoilings are finished, when nothing is with steel 22 between the transmitting tube of the 3rd infrared photoelectric sensor C3 and the receiving tube, the 3rd relay J 3 discharges, adhesive when the 4th relay J 4 powers on, Fixed width motor 19 forwards get electric, driving screw mandrel 13 clockwise rotates, the Fixed width piece 14 at screw mandrel 13 two ends is expanded synchronously, until Fixed width piece 14 touching limit switch K3 make limit switch K3 normally-closed contact K31 disconnect 19 stalls of Fixed width motor.
Strip running deviation is corrected function, when band steel 22 advances between two parties, be positioned at the first infrared photoelectric sensor C1 and the equal no signal of the second infrared photoelectric sensor C2 with steel 22 both sides, when band steel 22 left avertence, the first infrared photoelectric sensor C1 obtains signal, the second infrared photoelectric sensor C2 no signal, the first relay J 1 gets electric adhesive, its first normally opened contact J11 is closed, proportional amplifier 21 outputs make commutation proportioning valve 20 forwards get electric, drive hydraulic cylinder 18 and promotes to the right, drive uncoiler 10 and move to right, be with steel 22 to rectify a deviation till the first infrared photoelectric sensor C1 no signal at this moment to the right; When band steel 22 right avertence, the first infrared photoelectric sensor C1 no signal, the second infrared photoelectric sensor C2 obtains signal, the second relay J 2 gets electric adhesive, its first normally opened contact J21 is closed, and proportional amplifier 21 outputs make commutation proportioning valve 20 electricly reverse, and hydraulic cylinder 18 is retracted left, drive uncoiler 10 and move to left, be with this moment steel 22 to rectify a deviation till the second infrared photoelectric sensor C2 no signal left; Thereby the effect that realization can both be rectified a deviation with steel about 22.
Tachometer generator 23 produces the 1.8-4VDC signal with drive motors 12 rotation speed change of uncoiler 10 in this device, and input proportional amplifier 21, the flow of the output control commutation proportioning valve 20 of proportional amplifier 21 drives uncoiler 10 transverse shiftings to realize commutation proportioning valve 20 by hydraulic cylinder 18.
This device can be replaced the strip deviation correction control system of German EMG fully, and this apparatus structure is simple, and is easy to maintenance, has greatly reduced equipment cost and maintenance cost, and strip steel deviation is respond well, and centering of strip steel efficient is high, has effectively guaranteed the normal operation that steel rolling is produced.
Claims (2)
1. cold-strip steel uncoiler automatic centering logic numerical control device, comprise the control power supply, uncoiler by drive motors and gearbox driving, be located at the C type frame in uncoiler the place ahead, be located at the in opposite directions threaded screw rod of C type frame one side, be located at respectively the Fixed width piece at screw mandrel two ends, drive the Fixed width motor of screw mandrel, the proportional amplifier of the hydraulic cylinder that the control uncoiler is traversing and control hydraulic cylinder and commutation proportioning valve, it is characterized in that: also comprise the tachometer generator that connects described drive motors rotating shaft, the first infrared photoelectric sensor, the second infrared photoelectric sensor, the 3rd infrared photoelectric sensor, the first electromagnetic induction switch, the second electromagnetic induction switch, limit switch with normally-closed contact, often drive button, the first relay with a normally opened contact and two normally-closed contacts, the second relay with a normally opened contact and two normally-closed contacts, the 3rd relay with two normally opened contacts and two normally-closed contacts, the 4th relay with a normally opened contact, the 5th relay with two normally opened contacts, the 6th relay with a normally opened contact and a normally-closed contact, with the 7th relay of a normally-closed contact with the 8th relay of three normally opened contacts and three normally-closed contacts, the transmitting tube of described the first infrared photoelectric sensor and the second infrared photoelectric sensor and receiving tube are located at respectively 2 and be positioned at described screw mandrel two ends Fixed width piece linear position up and down on described C type frame, the receiving tube of described the 3rd infrared photoelectric sensor is located at described screw mandrel top, transmitting tube is located at described C type frame mid point below, described limit switch is positioned at described screw mandrel one end, described the first electromagnetic induction switch and the second electromagnetic induction switch respectively interval are located on the firm banking of described gearbox and described the first electromagnetic induction switch is positioned at the gearbox middle position, the second electromagnetic induction switch is positioned at gearbox one side outer end, described the first infrared photoelectric sensor, the second infrared photoelectric sensor and the transmitting tube of the 3rd infrared photoelectric sensor connect respectively the positive and negative terminal of described control power supply, the contact of described the first infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the first relay coil, the contact of described the second infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the second relay coil, the contact of described the 3rd infrared photoelectric sensor receiving tube connects described control power supply positive and negative terminal after being connected in series described the 3rd relay coil, the 3rd normally-closed contact that described the 4th relay coil is connected in series respectively described the first relay connects described control power supply positive and negative terminal with being connected behind the 3rd normally-closed contact of relay, be connected in series successively the 5th relay coil after described the first normally opened contact parallel connection of often driving button and the 5th relay, the normally-closed contact of the 7th relay, connect described control power supply positive and negative terminal behind the 6th normally-closed contact of the 8th relay, described the 6th relay coil and described the 5th relay coil are connected in parallel, described the 7th relay coil connects described control power supply positive and negative terminal after being connected in series described the first electromagnetic induction switch contact, described the 8th relay coil connects described control power supply positive and negative terminal after being connected in series described the second electromagnetic induction switch contact, the 3rd normally opened contact of described the 8th relay be parallel to two ends, described the second electromagnetic induction switch contact after the second normally opened contact of the 6th relay is connected in series, be connected described control power positive end and Fixed width motor anode after the 3rd normally-closed contact of described the 3rd relay and the normally opened contact of the 4th relay serial connection, be connected described control power supply negative terminal and Fixed width motor negative terminal after the 4th normally-closed contact of described the 3rd relay and the limit switch normally-closed contact serial connection, the first normally opened contact of described the 3rd relay connects between the normally opened contact of the 3rd normally-closed contact of described control power supply negative terminal and the 3rd relay and the 4th relay, the second normally opened contact of described the 3rd relay connects described control power positive end and Fixed width motor negative terminal, the power end of described proportional amplifier connects the positive and negative terminal of described control power supply, the signal output part of described tachometer generator connects the signal input part of described proportional amplifier, the second normally opened contact of described the 5th relay, the 4th normally-closed contact of the 8th relay, the second normally-closed contact of the first relay, the first normally-closed contact of the 6th relay is connected in series the signal output positive and negative terminal of the described proportional amplifier of rear connection successively, the first normally opened contact of described the 8th relay and the first normally-closed contact of the 6th relay are connected in parallel, the first normally opened contact of described the first relay, the commutation proportioning valve, the second normally-closed contact of the second relay, 5 constant virtues closed contact of the 8th relay is connected in series the signal output positive and negative terminal of the described proportional amplifier of rear connection successively, the first normally opened contact of described the first relay is parallel to the 4th normally-closed contact two ends of the second normally opened contact and the 8th relay of described the 5th relay, and the first normally opened contact of described the second relay is connected between the second normally-closed contact of the signal output plus terminal of described proportional amplifier and commutate proportioning valve and the second relay afterwards with the second normally opened contact parallel connection of the 8th relay.
2. cold-strip steel uncoiler automatic centering logic numerical control device according to claim 1, it is characterized in that: this device also comprises diode, the second normally opened contact one end of described the 6th relay of the anodic bonding of described diode,, negative electrode connects described the 8th relay coil one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242401.4A CN102950168B (en) | 2011-08-23 | 2011-08-23 | Automatic centering logic numerical control device of cold-rolled strip steel uncoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242401.4A CN102950168B (en) | 2011-08-23 | 2011-08-23 | Automatic centering logic numerical control device of cold-rolled strip steel uncoiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102950168A true CN102950168A (en) | 2013-03-06 |
| CN102950168B CN102950168B (en) | 2014-11-05 |
Family
ID=47759886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110242401.4A Active CN102950168B (en) | 2011-08-23 | 2011-08-23 | Automatic centering logic numerical control device of cold-rolled strip steel uncoiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102950168B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903771A (en) * | 2016-05-18 | 2016-08-31 | 华峰日轻铝业股份有限公司 | Device for automatically measuring and controlling deviation of hot mill and measuring and controlling method thereof |
| CN106475429A (en) * | 2015-08-31 | 2017-03-08 | 宝山钢铁股份有限公司 | Strip steel uncoiling automatic correction method and device |
| CN106734237A (en) * | 2016-12-23 | 2017-05-31 | 深圳市浩能科技有限公司 | The method for correcting error and system of a kind of rolling line |
| CN107153432A (en) * | 2017-06-05 | 2017-09-12 | 上海科星电液控制设备有限公司 | A kind of correction centering automatic control system based on digitized processing |
| CN110076215A (en) * | 2019-05-07 | 2019-08-02 | 上海世震液压成套设备制造有限公司 | Uncoiler and its deviation correction control system and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU695736A1 (en) * | 1975-05-16 | 1979-11-05 | Киевский Зональный Научно-Исследовательский И Проектный Институт Типового И Экспериментального Проектирования Жилых И Общественных Зданий | Uncoiler of rolled stock coils |
| DE3326955A1 (en) * | 1983-07-27 | 1985-02-07 | L. Schuler GmbH, 7320 Göppingen | DEVICE FOR ALIGNING A METAL STRIP ON A MACHINING STATION |
| CN1406157A (en) * | 2000-02-28 | 2003-03-26 | Sms德马格英斯股份公司 | Strip winding and unwinding device with automatic centering |
| RU2268803C1 (en) * | 2004-06-28 | 2006-01-27 | Открытое акционерное общество "Северсталь" | Apparatus for positioning strip coils removed from drum of coiler |
| CN2780374Y (en) * | 2005-03-29 | 2006-05-17 | 宝山钢铁股份有限公司 | Control system of strip steel automatic centering device |
| CN201132172Y (en) * | 2007-12-07 | 2008-10-15 | 中国重型机械研究院 | Highly centering device |
| CN201150961Y (en) * | 2007-12-18 | 2008-11-19 | 鞍钢股份有限公司 | Aligning device for controlling the edge-overflowing of steel coil |
| CN101947573A (en) * | 2010-08-09 | 2011-01-19 | 江阴市大地机械制造有限公司 | Centering device in strip steel coiling device for down coiler |
| CN102019305A (en) * | 2009-09-22 | 2011-04-20 | 宁波宝新不锈钢有限公司 | Width-variable centering control device in strip steel processing line |
-
2011
- 2011-08-23 CN CN201110242401.4A patent/CN102950168B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU695736A1 (en) * | 1975-05-16 | 1979-11-05 | Киевский Зональный Научно-Исследовательский И Проектный Институт Типового И Экспериментального Проектирования Жилых И Общественных Зданий | Uncoiler of rolled stock coils |
| DE3326955A1 (en) * | 1983-07-27 | 1985-02-07 | L. Schuler GmbH, 7320 Göppingen | DEVICE FOR ALIGNING A METAL STRIP ON A MACHINING STATION |
| CN1406157A (en) * | 2000-02-28 | 2003-03-26 | Sms德马格英斯股份公司 | Strip winding and unwinding device with automatic centering |
| RU2268803C1 (en) * | 2004-06-28 | 2006-01-27 | Открытое акционерное общество "Северсталь" | Apparatus for positioning strip coils removed from drum of coiler |
| CN2780374Y (en) * | 2005-03-29 | 2006-05-17 | 宝山钢铁股份有限公司 | Control system of strip steel automatic centering device |
| CN201132172Y (en) * | 2007-12-07 | 2008-10-15 | 中国重型机械研究院 | Highly centering device |
| CN201150961Y (en) * | 2007-12-18 | 2008-11-19 | 鞍钢股份有限公司 | Aligning device for controlling the edge-overflowing of steel coil |
| CN102019305A (en) * | 2009-09-22 | 2011-04-20 | 宁波宝新不锈钢有限公司 | Width-variable centering control device in strip steel processing line |
| CN101947573A (en) * | 2010-08-09 | 2011-01-19 | 江阴市大地机械制造有限公司 | Centering device in strip steel coiling device for down coiler |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475429A (en) * | 2015-08-31 | 2017-03-08 | 宝山钢铁股份有限公司 | Strip steel uncoiling automatic correction method and device |
| CN105903771A (en) * | 2016-05-18 | 2016-08-31 | 华峰日轻铝业股份有限公司 | Device for automatically measuring and controlling deviation of hot mill and measuring and controlling method thereof |
| CN106734237A (en) * | 2016-12-23 | 2017-05-31 | 深圳市浩能科技有限公司 | The method for correcting error and system of a kind of rolling line |
| CN106734237B (en) * | 2016-12-23 | 2019-04-09 | 深圳市浩能科技有限公司 | A kind of method for correcting error and system of rolling line |
| CN107153432A (en) * | 2017-06-05 | 2017-09-12 | 上海科星电液控制设备有限公司 | A kind of correction centering automatic control system based on digitized processing |
| CN110076215A (en) * | 2019-05-07 | 2019-08-02 | 上海世震液压成套设备制造有限公司 | Uncoiler and its deviation correction control system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102950168B (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103008389B (en) | Device for controlling automatic centering of cold-rolling strip steel uncoiler | |
| CN102950168B (en) | Automatic centering logic numerical control device of cold-rolled strip steel uncoiler | |
| CN201111501Y (en) | Floating type board-belt steering clamp feeding device | |
| CN107445111A (en) | A kind of intelligent carrier loader and its control method | |
| CN202828868U (en) | Filter cleaner conveying mechanism | |
| CN101750179B (en) | Tension detecting method and device of cloth | |
| CN103787045A (en) | Device and method for monitoring torsion state of tubular conveyor belt | |
| CN108163457A (en) | A kind of belt conveyor for having store function | |
| CN102040114A (en) | Digital visual positioning position correcting device | |
| CN203781361U (en) | Automatic detaching and stacking integral system | |
| CN202138892U (en) | Board tape winding deviation rectifying servo unit | |
| CN104914348A (en) | Capacitor electrical core polarity detection device | |
| CN204989362U (en) | Condenser electricity core polarity detection device | |
| CN206051100U (en) | A kind of band steel deviation correcting device | |
| CN205634000U (en) | Deviation rectification device of conveyor | |
| CN203728110U (en) | Twisting monitoring device for pipe-like conveying belt | |
| CN209887844U (en) | Automatic edge sealing device | |
| CN212238670U (en) | Uncoiler automatic centering system based on PLC | |
| CN209407715U (en) | A kind of crimping material strip automatically inductive weld device | |
| CN103588026A (en) | Accurate winding spacing control device | |
| CN217478659U (en) | Automatic fabric deviation correcting device and cloth inspecting machine using same | |
| CN207955842U (en) | A kind of Internet of Things dumper based on PLC controls | |
| CN207565949U (en) | A kind of transmission device for canned assembly line | |
| CN102050344A (en) | Diaphragm deviation detection device for battery laminating machine | |
| CN2575069Y (en) | Safety forceps for elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 3520 Tongji Road, Baoshan District, Shanghai, 201900 Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 201900, 335, Pu Pu Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200528 Address after: 201900, 335, Pu Pu Road, Shanghai, Baoshan District Patentee after: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. Address before: Five road 201900 Shanghai city Baoshan District Baosteel Weiyi, machine Patentee before: SHANGHAI BAOSTEEL EQUIPMENT MAINTENANCE Co.,Ltd. |