CN110227736A - A kind of coil of strip automatic coiling method of uncoiler - Google Patents
A kind of coil of strip automatic coiling method of uncoiler Download PDFInfo
- Publication number
- CN110227736A CN110227736A CN201910540495.XA CN201910540495A CN110227736A CN 110227736 A CN110227736 A CN 110227736A CN 201910540495 A CN201910540495 A CN 201910540495A CN 110227736 A CN110227736 A CN 110227736A
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- China
- Prior art keywords
- coil
- strip
- upper volume
- trolley
- uncoiler
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
This application provides a kind of coil of strip automatic coiling methods of uncoiler, by presetting the target position of upper volume trolley, and are in different target positions in upper volume trolley and execute specific job content.Specifically, then volume moving of car to preset support rolls up traversing position in control, and the coil of strip is transferred on the upper volume trolley from saddle when needing straightening coil of strip on saddle.Then, control support has the upper volume moving of car of the coil of strip to default adjustable height calculating position, utilizes the first detection device in the position, the spool central axes for controlling coil of strip central axes and uncoiler on the upper volume trolley are in same horizontal line.Finally, the control upper volume trolley horizontal movement is to default rolling steel coil position, and controls the uncoiler and remove the coil of strip from the upper volume trolley.The automatic coiling of coil of strip may be implemented in method provided by the present application, and then can reduce the working strength of operator, improves production efficiency.
Description
Technical field
This disclosure relates to a kind of coil of strip automatic coiling method of technical field of automatic control more particularly to uncoiler.
Background technique
Straightening is the procedure before flat cold-rolled sheet is packed, and needs to be drawn in the process by the coil of strip after smooth
Stretch aligning.As the first work step of the process, it is necessary first to coil of strip be put into the roll position of uncoiler, this work step is also referred to as
Upper volume.
Currently, the operation of upper volume work step is usually to be manually operated.Specifically, control button of the operative employee by station,
Trolley is rolled up in control to be minimized position by volume platform and make to be located at immediately below raw material crane by volume platform.Coil of strip is put by raw material crane
After upper volume trolley, operative employee is by the control button of station, then controls the rising of volume trolley, rises to uncoiling to upper volume trolley
After near machine reel, then manual moving trolley covers coil of strip on reel, the movable supporting closing of last uncoiler, pressure roller
Pressure, uncoiler reel rise diameter, roll up work in completion.
But above-mentioned volume operation upper manually, it had not only increased the working strength of operative employee but also had caused greatly artificial waste.
Summary of the invention
A kind of coil of strip automatic coiling method of uncoiler is provided in the embodiment of the present invention, with realize withdrawal straightening machine it is automatic on
Function is rolled up, solves the problems, such as to increase working strength and artificial waste due to manual operation.
The coil of strip automatic coiling method of uncoiler provided in an embodiment of the present invention, comprising:
Moving of car to default support is rolled up if needing straightening coil of strip on saddle, in control rolls up traversing position；
The coil of strip is transferred to from the saddle on the upper volume trolley；
Control support has the upper volume moving of car of the coil of strip to default adjustable height calculating position；
Using the first detection device, control at the coil of strip central axes on the upper volume trolley and the spool central axes of uncoiler
In same horizontal line；
The upper volume trolley horizontal movement is controlled to default rolling steel coil position；
It controls the uncoiler and removes the coil of strip from the upper volume trolley.
Optionally, moving of car to default support is rolled up if needing straightening coil of strip on saddle, in control rolls up traversing position, packet
It includes:
If needing straightening coil of strip on saddle, control is located at the upper volume trolley horizontal movement of default decline holding fix extremely
The underface of the saddle；
It controls the upper volume trolley and rises to the traversing position of default support volume.
Optionally, it controls positioned at the default upper volume trolley horizontal movement for declining holding fix to the underface of the saddle,
Include:
The upper volume trolley that control is located at default decline holding fix rolls up traversing locality horizontal movement to default support；
Using second detection device, the move distance of the upper volume trolley is obtained；
If the move distance be pre-determined distance, determine the upper volume trolley horizontal movement to the saddle just under
Side controls the upper volume trolley stop motion.
Optionally, using the first detection device, the coil of strip central axes on the upper volume trolley and the spool of uncoiler are controlled
Central axes are in same horizontal line, comprising:
Obtain the diameter D of the coil of strip on the upper volume trolley；
Using the first detection device, the spacing at the top of the coil of strip on the upper volume trolley between the detection device is obtained
h；
According to H2- r=H1- h-D controls the upper volume trolley and rises or decline, makes the coil of strip central axes on the upper volume trolley
Same horizontal line is in the spool central axes of uncoiler；
Wherein, H1Between between the upper volume car top of the adjustable height calculating position and the detection device
Away from H2Between between the upper volume car top of the adjustable height calculating position and the reel central axes of the uncoiler
Away from r is the radius of the coil of strip on the upper volume trolley.
Optionally, the surface of the adjustable height calculating position is arranged in first detection device.
Optionally, the upper volume trolley horizontal movement is controlled to default rolling steel coil position, comprising:
Judge whether there is coil of strip on uncoiler；
If without coil of strip, control the uncoiler movable supporting open, pressure roller lift, drum collapsing, and control
The upper volume trolley horizontal movement is made to default rolling steel coil position.
Optionally, it controls after the uncoiler removes the coil of strip from the upper volume trolley, the method also includes:
The diameter that judges whether the movable supporting of the uncoiler closes, whether pressure roller is depressed and whether reel rises；
If the movable supporting of the uncoiler is closed, pressure roller pressure and reel are risen diameter, the upper volume trolley is controlled
Drop to default decline holding fix.
Optionally, it controls the upper volume trolley and drops to default decline holding fix, comprising:
Control the upper volume trolley decline；
Using the limit switch that default decline holding fix is arranged in, it is described pre- whether the detection upper volume trolley drops to
Set drop holding fix；
If dropping to the default decline holding fix, controls the upper volume trolley and stop decline.
The application's has the beneficial effect that:
Have above technical scheme as it can be seen that uncoiler provided in this embodiment coil of strip automatic coiling method, by setting in advance
The target position of volume trolley is set, and is in each target position in upper volume trolley and executes specific job content.Specifically, working as saddle
When needing straightening coil of strip on seat, then volume moving of car to preset support rolls up traversing position in control, and by the coil of strip from saddle
It is transferred on the upper volume trolley.Then, control support has upper volume moving of car to the default adjustable height of the coil of strip to calculate
Position utilizes the first detection device in the position, controls in the coil of strip central axes on the upper volume trolley and the spool of uncoiler
Axis is in same horizontal line.Finally, the control upper volume trolley horizontal movement is to default rolling steel coil position, and control institute
It states uncoiler and removes the coil of strip from the upper volume trolley.Therefore, the automatic of coil of strip may be implemented in method provided in this embodiment
Upper volume, and then can reduce the working strength of operator, improve production efficiency.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the coil of strip automatic coiling method of uncoiler provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of the coil of strip automatic coiling system of uncoiler provided by the embodiments of the present application.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
For the existing withdrawal straightening machine upper defect rolled up manually, and the present embodiment by setting host computer and with the host computer
The small car detector of upper volume of communication connection, the data that host computer is detected using detection device roll up the movement of trolley in control
Track, and then realize the automatic coiling of coil of strip.It, can be with from picture furthermore it is also possible to using software development human-machine interaction picture
See the real time position of automatic coiling Shi Shangjuan trolley, and can start, stop and interrupt auto-programming on picture, with control
Journey is involved in system.
Based on the above principles, below in conjunction with attached drawing, method provided in this embodiment is described in detail.Fig. 1 is
A kind of flow diagram of the coil of strip automatic coiling method of uncoiler provided by the embodiments of the present application.As shown in Figure 1, this method has
Body includes the following steps:
Step S110: moving of car to default support is rolled up if needing straightening coil of strip on saddle, in control and rolls up traversing position.
Fig. 2 is a kind of structural schematic diagram of the coil of strip automatic coiling system of uncoiler provided by the embodiments of the present application.Such as Fig. 2
Shown, the present embodiment selectes 4 target positions in the tracks of upper volume trolley 20, is specifically respectively as follows: position 1, is defined as
Support rolls up traversing position, for the coil of strip 30 on saddle to be transferred to upper volume trolley 20 in the position；Position 2 is defined as whereabouts etc.
To position, waited in the position for volume trolley 20 upper after being rolled up on completing coil of strip 30 until thering is next coil of strip 30 to arrive on saddle
Come；Position 3 is defined as stopping calculating position, right for rolling up coil of strip 30 and 40 centering of withdrawal straightening machine reel of trolley 20 on the position
Ying Shangjuan trolley 20 needs the height risen or fallen；Position 4 is defined as volume position, for the position by upper volume trolley 20
Coil of strip 30 is transferred on withdrawal straightening machine.
Wherein, in order to guarantee on last to the coil of strip 30 on withdrawal straightening machine just in the centre of reel 40, in setting position 1
When, it is ensured that when coil of strip 30 is put on upper volume trolley 20, during the vertical center line of coil of strip 30 is vertical with upper volume trolley 20
Heart line is overlapped；When setting position 4, guarantee that the vertical center line of reel 40 is overlapped with the vertical center line of upper volume trolley 20.
Further, 3 ultrasonic range finders are added, wherein the first ultrasonic range finder 11 is mounted on the side of position 1
Side, when installation, pays attention to adjustment height, to guarantee to be detected at the upper volume trolley 20 of position 1, position 2, position 3 simultaneously, uses
It detects trolley moving distance in the horizontal direction at position 1, position 2, position 3, and then realizes upper volume trolley 20 is determined
Position；Third ultrasonic range finder 13 is mounted on the lower section of reel of uncoiler 40, horizontal at position 4 for detecting upper volume trolley 20
The moving distance in direction；Second ultrasonic range finder 12 is mounted on the surface of position 3 with bracket, for detecting upper volume trolley 20
At position 3, the spacing of coil of strip 30 and the second ultrasonic range finder 12, to be risen or fallen for calculating the upper needs of volume trolley 20
Height.Before program composition and debugging, position 1, position 2, position 3, the detection of ultrasonic range finder corresponding to position 4 are determined
Numerical value, to realize the monitoring position of subsequent upper volume trolley 20.It should be noted that the present embodiment is only with ultrasonic distance measurement
For instrument is as detection device, specific implementation process can also use other range units, such as laser range finder.
In addition, master operating station is provided with host computer 50, the host computer 50 and upper volume trolley 20 and each ultrasonic distance measurement
Instrument communication connection, to control upper volume trolley 20 according to the detection data of ultrasonic range finder.Wherein it is possible to utilize
WINCC software development human-machine interaction picture can see the real time position of automatic coiling Shi Shangjuan trolley 20 from screen-picture,
And it can start, stop and interrupt auto-programming on picture.
Using above system, firstly, control is located at default decline holding fix if needing straightening coil of strip on saddle
Upper volume trolley horizontal movement is to the underface of the saddle.Wherein, in control roll up trolley horizontal movement to the saddle just under
The method of side includes the following steps:
1) the upper volume trolley that control is located at default decline holding fix rolls up traversing locality horizontal movement to default support.
2) second detection device is utilized, the move distance of the upper volume trolley is obtained.
The detection data according to the first ultrasonic range finder 11 is utilized, the move distance of the upper volume trolley is obtained.
If 3) move distance is pre-determined distance, determine the upper volume trolley horizontal movement to the saddle just
Lower section controls the upper volume trolley stop motion.
Determine that volume trolley needs at a distance from movement according to the spacing of the horizontal direction between position 1 of position 2, and should
Distance is set as pre-determined distance.
Furthermore it is also possible to the side of upper volume trolley distance and the distance versus of saddle by comparing second detection device detection
Formula, to control upper volume moving of car to the underface of saddle.
Then, it then controls the upper volume trolley and rises to default support and roll up traversing position.Wherein it is possible to add limit on trolley
Bit switch determines the lifting position of trolley.
Step S120: the coil of strip is transferred to from the saddle on the upper volume trolley.
Step S130: control support has the upper volume moving of car of the coil of strip to default adjustable height calculating position.
In control roll up trolley forward travel, while using the first ultrasonic range finder 11 detection on roll up trolley movement away from
From until moving to preset adjustable height calculates position, i.e. position 3 in Fig. 2.
Step S140: utilizing the first detection device, controls the coil of strip central axes on the upper volume trolley and the volume of uncoiler
Axis in axis line is in same horizontal line；
Specifically include the following steps:
1) the diameter D of the coil of strip on the upper volume trolley is obtained.
It specifically can use detection device detection to obtain, host computer can also be input in advance according to the known parameters of coil of strip
In system.
2) the first detection device is utilized, between obtaining at the top of the coil of strip on the upper volume trolley between the detection device
Away from h.
I.e. using between the coil of strip top rolled up in 12 real-time detection of the second ultrasonic range finder in Fig. 2 on trolley and its
Spacing h.
3) according to H2- r=H1- h-D controls the upper volume trolley and rises or decline, makes the coil of strip axis on the upper volume trolley
The spool central axes of line and uncoiler are in same horizontal line；
Wherein, H1Between between the upper volume car top of the adjustable height calculating position and the detection device
Away from H2Between between the upper volume car top of the adjustable height calculating position and the reel central axes of the uncoiler
Away from r is the radius of the coil of strip on the upper volume trolley.
Since if the coil of strip central axes on upper volume trolley will be in same horizontal line with the spool central axes of uncoiler,
The object height for needing trolley to rise are as follows: X=H2-r。
It is right meanwhile when the spool central axes of coil of strip central axes and uncoiler on upper volume trolley are in same horizontal line
The height value that the then trolley answered rises are as follows: Δ h=H1-h-D。
Even X=Δ h, then the target spacing at the top of the coil of strip on volume trolley between the detection device can must be gone up
Value, control trolley rise, and the numerical value for detecting the first detection device target spacing value then rolls up the steel on trolley in judgement
Volume central axes and the spool central axes of uncoiler have been in same horizontal line.
Alternatively, control trolley rises, rolled up in real-time detection at the top of the coil of strip on trolley between the detection device
Spacing h, when meeting X=Δ h, then the spool central axes that coil of strip central axes and uncoiler on trolley are rolled up in judgement have been in same
One horizontal line.
Step S150: the control upper volume trolley horizontal movement to default rolling steel coil position.
In control roll up trolley forward travel, while using third ultrasonic range finder 13 detection on roll up trolley movement away from
From until moving to preset rolling steel coil position, i.e. position 4 in Fig. 2.
Specifically, the step may include steps of for the stability of guarantee system work:
1) judge whether there is coil of strip on uncoiler.
It is performed the next step if without coil of strip suddenly, if there is coil of strip, then volume trolley is made to rest on current location progress
It waits.
If 2) without coil of strip, the movable supporting for controlling the uncoiler is opened, pressure roller lifts, drum collapsing, and
The upper volume trolley horizontal movement is controlled to default rolling steel coil position.
The movable supporting for controlling uncoiler is opened, pressure roller lifts and drum collapsing, above-mentioned preparation in place after, then control
Position 4 of the trolley horizontal movement to default rolling steel coil position, i.e. in Fig. 2 is rolled up in system.
Step S160: the uncoiler is controlled from the upper volume trolley and removes the coil of strip.
Further, to allow volume trolley on this to carry out subsequent upper volume operation automatically again, institute is controlled in the present embodiment
It states after uncoiler removes the coil of strip from the upper volume trolley, further includes following steps:
Step S170: judge whether the movable supporting of the uncoiler closes, whether pressure roller is depressed and whether reel rises
Diameter.
Above-mentioned work all in place after, then follow the steps S180, otherwise, then current location wait.
Step S180: if the movable supporting of the uncoiler is closed, pressure roller pressure and reel are risen diameter, described in control
Upper volume trolley drops to default decline holding fix.
Volume trolley drops to the position 2 in Fig. 2 i.e. in control, wherein it is small that the present embodiment additionally provides the control upper volume
The method that vehicle drops to default decline holding fix, specifically includes:
1) the upper volume trolley decline is controlled；
2) using the limit switch that default decline holding fix is arranged in, it is described whether the detection upper volume trolley drops to
Default decline holding fix；
If 3) drop to the default decline holding fix, controls the upper volume trolley and stop decline.
In this way, upper volume trolley can be waited in the decline holding fix, until there is next coil of strip to arrive on saddle.
In addition, have interruption button on picture, the use when there is emergency case.There is tail volume to need to unload sometimes, it is possible to use in
Disconnected button interrupts auto-programming, and volume trolley restores automatic after laying down tail volume again in manual operation.
Using upper volume method provided by the above embodiment, the automatic coiling of coil of strip may be implemented, and then can reduce work
The working strength of personnel improves production efficiency, there is good practicability.Certainly, present invention could apply to other homogeneous systems.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art
It can understand and implement without creative efforts.
The above is only a specific embodiment of the invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of coil of strip automatic coiling method of uncoiler characterized by comprising
Moving of car to default support is rolled up if needing straightening coil of strip on saddle, in control rolls up traversing position；
The coil of strip is transferred to from the saddle on the upper volume trolley；
Control support has the upper volume moving of car of the coil of strip to default adjustable height calculating position；
Using the first detection device, the spool central axes for controlling coil of strip central axes and uncoiler on the upper volume trolley are in same
One horizontal line；
The upper volume trolley horizontal movement is controlled to default rolling steel coil position；
It controls the uncoiler and removes the coil of strip from the upper volume trolley.
2. the coil of strip automatic coiling method of uncoiler according to claim 1, which is characterized in that if needing to be drawn on saddle
Coil of strip is rectified, then volume moving of car to default support rolls up traversing position in control, comprising:
If needing straightening coil of strip on saddle, control is located at the upper volume trolley horizontal movement of default decline holding fix to described
The underface of saddle；
It controls the upper volume trolley and rises to the traversing position of default support volume.
3. the coil of strip automatic coiling method of uncoiler according to claim 2, which is characterized in that control is located at default decline
The upper volume trolley horizontal movement of holding fix is to the underface of the saddle, comprising:
The upper volume trolley that control is located at default decline holding fix rolls up traversing locality horizontal movement to default support；
Using second detection device, the move distance of the upper volume trolley is obtained；
If the move distance is pre-determined distance, determine the upper volume trolley horizontal movement to the underface of the saddle,
Control the upper volume trolley stop motion.
4. the coil of strip automatic coiling method of uncoiler according to claim 1, which is characterized in that utilize the first detection dress
It sets, the spool central axes for controlling coil of strip central axes and uncoiler on the upper volume trolley are in same horizontal line, comprising:
Obtain the diameter D of the coil of strip on the upper volume trolley；
Using the first detection device, the spacing h at the top of the coil of strip on the upper volume trolley between the detection device is obtained；
According to H2- r=H1- h-D controls the upper volume trolley and rises or decline, makes coil of strip central axes on the upper volume trolley and opens
The spool central axes of volume machine are in same horizontal line；
Wherein, H1For the spacing between the upper volume car top of the adjustable height calculating position and the detection device, H2
For the spacing between the upper volume car top of the adjustable height calculating position and the reel central axes of the uncoiler, r
For the radius of the coil of strip on the upper volume trolley.
5. the coil of strip automatic coiling method of uncoiler according to claim 4, which is characterized in that first detection device
The surface of the adjustable height calculating position is set.
6. the coil of strip automatic coiling method of uncoiler according to claim 1, which is characterized in that the control upper volume trolley
Horizontal movement is to default rolling steel coil position, comprising:
Judge whether there is coil of strip on uncoiler；
If without coil of strip, control the uncoiler movable supporting open, pressure roller lift, drum collapsing, and control institute
The horizontal movement of volume trolley is stated to default rolling steel coil position.
7. the coil of strip automatic coiling method of uncoiler according to any one of claims 1 to 6, which is characterized in that described in control
After uncoiler removes the coil of strip from the upper volume trolley, the method also includes:
The diameter that judges whether the movable supporting of the uncoiler closes, whether pressure roller is depressed and whether reel rises；
If the movable supporting of the uncoiler is closed, pressure roller pressure and reel are risen diameter, the upper volume trolley decline is controlled
To default decline holding fix.
8. the coil of strip automatic coiling method of uncoiler according to claim 7, which is characterized in that the control upper volume trolley
Drop to default decline holding fix, comprising:
Control the upper volume trolley decline；
Using the limit switch that default decline holding fix is arranged in, detect whether the upper volume trolley drops to described pre- set
Holding fix drops；
If dropping to the default decline holding fix, controls the upper volume trolley and stop decline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910540495.XA CN110227736A (en) | 2019-06-21 | 2019-06-21 | A kind of coil of strip automatic coiling method of uncoiler |
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| CN201910540495.XA CN110227736A (en) | 2019-06-21 | 2019-06-21 | A kind of coil of strip automatic coiling method of uncoiler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111468537A (en) * | 2020-03-27 | 2020-07-31 | 唐山钢铁集团微尔自动化有限公司 | Steel coil feeding height calculation method |
| CN111729943A (en) * | 2020-07-29 | 2020-10-02 | 西南铝业（集团）有限责任公司 | Aluminum product production equipment and coiling device thereof |
| CN112122362A (en) * | 2020-08-31 | 2020-12-25 | 首钢智新迁安电磁材料有限公司 | Steel coil width centering device and method |
| CN113059022A (en) * | 2021-03-16 | 2021-07-02 | 北京首钢自动化信息技术有限公司 | Steel coil loading method and system of cold rolling line uncoiler |
| CN114505350A (en) * | 2022-03-11 | 2022-05-17 | 山信软件股份有限公司 | Coil receiving method of coil conveying vehicle |
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| CN104117551A (en) * | 2014-07-21 | 2014-10-29 | 肇庆宏旺金属实业有限公司 | Automatic steel coil loading device of uncoiling machine and steel coil loading method thereof |
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Application publication date: 20190913 |