CN109746273B - Detection method of finished product positioning detection device of high-speed wire rod uncoiler - Google Patents
Detection method of finished product positioning detection device of high-speed wire rod uncoiler Download PDFInfo
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- CN109746273B CN109746273B CN201711085081.XA CN201711085081A CN109746273B CN 109746273 B CN109746273 B CN 109746273B CN 201711085081 A CN201711085081 A CN 201711085081A CN 109746273 B CN109746273 B CN 109746273B
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Abstract
The invention relates to a finished product positioning and detecting device of a high-speed wire rod uncoiler, which comprises an uncoiling cart, wherein the top of the uncoiling cart is provided with cart beams, every two cart beams form a group, a groove for placing a finished product of a high-speed wire rod is arranged between the two cart beams, the two cart beams are respectively provided with a transmitting tube and a receiving tube, and the bottom of the finished product of the high-speed wire rod is provided with a trolley. The photoelectric switch can reliably detect a finished product and is not easy to damage.
Description
Technical Field
The invention belongs to the technical field of electrical automation of steel rolling equipment, and relates to a detection method of a finished product positioning detection device of a high-speed wire rod uncoiler.
Background
The high-speed wire rod decoiler is used for high-speed wire rod production, and its effect is: and unloading the finished product from the power transportation line, temporarily storing the finished product in a coil unloading big vehicle beam, and waiting for a traveling vehicle to put the finished product in storage. The existing method for positioning the finished product of the coil stripper comprises the following steps: and detecting the upper part of the finished wire rod product by using a photoelectric switch to obtain a detection signal, and then realizing automatic positioning by PLC control. The method is characterized in that a photoelectric switch is installed above the cart beam, when the upper portion of a finished product passes through the photoelectric switch, light of the photoelectric switch is shielded by a finished wire product, the photoelectric switch sends a signal to a PLC, and the PLC positions the finished product on the cart beam in sequence through calculation. The existing method has the following problems: the upper part of a finished product is detected, and the photoelectric switch is arranged above the beam and is very close to the finished product of the wire rod, so that the photoelectric switch is easily collided in the moving process of the finished product of the wire rod or the lifting process of a travelling crane, the switch is damaged, and the equipment is stopped due to failure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a detection method of a finished product positioning and detecting device of a high-speed wire rod uncoiler, which can ensure that a photoelectric switch can reliably detect a finished product of a high-speed wire rod and can ensure that the photoelectric switch is not easily damaged.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a high-speed wire rod decoiler finished product location detection device, is equipped with the cart roof beam including the cart that unloads a roll, at the top of the cart that unloads a roll, two liang of cart roof beams are a set of, are equipped with between two cart roof beams to be used for placing the off-the-shelf recess of high-speed wire rod, install transmitting tube and receiver tube respectively on two cart roof beams, and high-speed wire rod finished product bottom is provided with the dolly.
The cart beam is made of I-shaped steel.
A detection method of a finished product positioning detection device of a high-speed wire rod uncoiler comprises the following detection steps:
when the large beam is not provided with the finished high-speed wire rod, the infrared light emitted by the emitting tube of the photoelectric switch is received by the receiving tube, the receiving tube sends a switching value signal to the PLC, the PLC program judges that the large beam is vacant, the program sends a coil unloading command, the finished high-speed wire rod is transported by the trolley, when the finished high-speed wire rod passes between the emitting tube and the receiving tube, the infrared light is blocked, the switching value signal sent by the receiving tube disappears, the program judges whether the finished high-speed wire rod is in place or not, when the finished high-speed wire rod reaches the placing position, the PLC sends a command, the finished high-speed wire rod is placed on the large beam, the trolley is driven away, after the trolley is driven away, the radian of the lower part of the finished high-speed wire rod always blocks the infrared light of the photoelectric switch, the receiving tube does not send the switching value signal all the time, the PLC judges that the large beam has the, when the finished high-speed wire on the large beam is lifted away by the traveling crane, the photoelectric switch sends a signal to the PLC again, the PLC judges that the large beam is vacant, and the process is repeated.
The invention has the beneficial effects that: and detecting the bottom of the high-speed wire finished product from the lower part of the cross beam by utilizing the radian of the bottom of the high-speed wire finished product below the cross beam to obtain a detection signal. This allows the opto-electronic switch to be hidden under the beam. When the coil is unloaded, the coil unloading trolley drives the high-speed wire finished product to pass through the cross beam, and the cross beam below is shielded sufficiently, so that the photoelectric switch can reliably send out signals. Because the photoelectric switch is hidden below the cross beam, the cross beam provides good protection, the possibility that the photoelectric switch is damaged by collision is greatly reduced, the defect that the photoelectric switch is easy to damage when the photoelectric switch is detected above the cross beam is overcome, the failure rate of the uncoiler is greatly reduced, and the cost of spare parts is saved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1-a launch tube; 2-a receiving tube; 3-high-speed wire rod finished product; 4, a large car beam; 5-coil stripping cart; 6-trolley.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to fig. 1, a finished product positioning and detecting device of a high-speed wire rod uncoiler comprises an uncoiling cart 5, cart beams 4 are arranged at the top of the uncoiling cart 5, the cart beams 4 are two-two in one group, a groove for placing a finished product 3 of the high-speed wire rod is arranged between the two cart beams 4, a transmitting tube 1 and a receiving tube 2 are respectively arranged on the two cart beams 4, and a trolley 6 is arranged at the bottom of the finished product 3 of the high-speed wire rod.
The cart beam 4 is I-shaped steel.
A detection method of a finished product positioning detection device of a high-speed wire rod uncoiler comprises the following detection steps:
when the large beam 4 is not provided with the high-speed wire finished product 3, the infrared light emitted by the emitting tube 1 of the photoelectric switch is received by the receiving tube 2, the receiving tube 2 emits a switching value signal to the PLC, the PLC program judges that the large beam 4 is vacant, the program emits an uncoiling command, the high-speed wire finished product 3 is transported by the trolley 6, when the high-speed wire finished product 3 passes through the space between the emitting tube 1 and the receiving tube 2, the infrared light is blocked, the switching value signal emitted by the receiving tube 2 disappears, the program judges whether the high-speed wire finished product 3 is in place or not, when the high-speed wire finished product 3 reaches the placing position, the PLC emits a command, the high-speed wire finished product 3 is placed on the large beam 4, the trolley 6 is opened, after the trolley 6 is opened, the radian of the lower part of the high-speed wire finished product 3 is always blocked by the infrared light of the photoelectric switch, the receiving tube 2 is not always, and then no command is sent to the trolley 6 to unload steel from the large trolley beam 4, when the high-speed wire finished product 3 on the large trolley beam 4 is lifted away by the travelling crane, the photoelectric switch sends a signal to the PLC again, the PLC judges that the large trolley beam 4 is vacant, and the process is repeated.
The radian of the bottom of the high-speed wire finished product 3 below the cross beam is utilized, the bottom of the high-speed wire finished product 3 is detected from the lower part of the cross beam, and a detection signal is obtained. This allows the opto-electronic switch to be hidden under the beam. When the coil is unloaded, the coil unloading trolley 6 drives the high-speed wire finished product 3 to pass through the cross beam, and the cross beam below is shielded sufficiently, so that the photoelectric switch can reliably send out signals, and after the high-speed wire finished product 3 is positioned, the photoelectric switch can be still shielded due to the radian of the high-speed wire finished product 3, and the signals are guaranteed to be reliably kept. Because the photoelectric switch is hidden below the cross beam, the cross beam provides good protection, the possibility that the photoelectric switch is damaged by collision is greatly reduced, the defect that the photoelectric switch is easy to damage when the photoelectric switch is detected above the cross beam is overcome, the failure rate of the uncoiler is greatly reduced, and the cost of spare parts is saved.
Claims (1)
1. The detection method of the finished product positioning and detecting device of the high-speed wire rod uncoiler comprises an uncoiling cart and is characterized in that: the coil unloading cart is characterized in that cart beams are arranged at the top of the coil unloading cart, the cart beams are grouped in pairs, a groove for placing a high-speed wire finished product is arranged between the two cart beams, the radian of the bottom of the high-speed wire finished product is arranged below the cross beam, a photoelectric switch is hidden below the cross beam, a transmitting tube and a receiving tube are respectively arranged on the two cart beams, a trolley is arranged at the bottom of the high-speed wire finished product, and the cart beams are made of I-steel;
the detection method utilizing the finished product positioning and detecting device of the high-speed wire rod uncoiler comprises the following detection steps:
when the finished high-speed wire is not placed on the cart beam, the infrared light emitted by the emitting tube of the photoelectric switch is received by the receiving tube, the receiving tube sends a switching value signal to the PLC, the PLC program judges that the cart beam is vacant, the program sends a coil-unloading command, the finished high-speed wire is transported by the trolley, when the finished high-speed wire passes between the emitting tube and the receiving tube, the infrared light is blocked, the switching value signal sent by the receiving tube disappears, the program judges whether the finished high-speed wire is in place or not, when the finished high-speed wire reaches the placing position, the finished high-speed wire is placed on the cart beam, the trolley is driven away, after the trolley is driven away, the radian of the lower part of the finished high-speed wire always blocks the infrared light of the photoelectric switch, the receiving tube does not send the switching value signal, the PLC judges that the cart beam has the finished high-speed wire, the command can not be sent again to the trolley to unload steel to the cart beam, when, the photoelectric switch sends a signal to the PLC, the PLC judges that the cart beam is empty, and the process is repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085081.XA CN109746273B (en) | 2017-11-07 | 2017-11-07 | Detection method of finished product positioning detection device of high-speed wire rod uncoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085081.XA CN109746273B (en) | 2017-11-07 | 2017-11-07 | Detection method of finished product positioning detection device of high-speed wire rod uncoiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109746273A CN109746273A (en) | 2019-05-14 |
| CN109746273B true CN109746273B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711085081.XA Active CN109746273B (en) | 2017-11-07 | 2017-11-07 | Detection method of finished product positioning detection device of high-speed wire rod uncoiler |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636923B2 (en) * | 1986-02-28 | 1994-05-18 | 日新製鋼株式会社 | Method for cold rolling metastable austenitic stainless steel and apparatus for measuring surface temperature of steel strip during cold rolling |
| CN201023927Y (en) * | 2007-03-27 | 2008-02-20 | 宝山钢铁股份有限公司 | Saddle with device for preventing small coil dropping |
| CN203806787U (en) * | 2014-05-19 | 2014-09-03 | 浙江建达机械有限公司 | Automatic coil unloading device |
| CN206139664U (en) * | 2016-10-19 | 2017-05-03 | 攀钢集团攀枝花钢钒有限公司 | Coil of strip is rolled up core and is simply helped handler |
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| CN109746273A (en) | 2019-05-14 |
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