CN213826406U - High-speed bar production line - Google Patents
High-speed bar production line Download PDFInfo
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- CN213826406U CN213826406U CN202022005809.7U CN202022005809U CN213826406U CN 213826406 U CN213826406 U CN 213826406U CN 202022005809 U CN202022005809 U CN 202022005809U CN 213826406 U CN213826406 U CN 213826406U
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Abstract
The utility model discloses a high-speed rod production line, include: a finish rolling area; a high-speed steel feeding area connected with the finish rolling area; the waste bin is positioned between the finish rolling area and the high-speed steel feeding area; wherein, the outlet of the finish rolling area and the inside of the waste bin are both provided with at least 2 proximity switches, and the proximity switches are connected with a PLC control system; furthermore, all be provided with pressure sensor on the pinch roll gearbox pipeline in high-speed steel feeding area, the entrance in high-speed district of cutting is provided with 2 at least hot metal detectors, the exit of cutting at high speed is provided with 2 at least proximity switches, be provided with 2 at least optic fibre formula hot metal detectors on every rotary drum passageway in rotary drum cooling zone, all insert PLC control system with above-mentioned detecting element, therefore, high-speed rod production line is provided with a plurality of detecting element at each check point, can avoid taking place false signal and cause the on-the-spot steel scrap condition, improve the finished product quality and the output of rod.
Description
Technical Field
The utility model relates to a rod production technical field, concretely relates to high-speed rod production line.
Background
The rod and wire products are the steel products with the largest output and the widest application in the field of steel production. The production efficiency of the rod and wire products is improved, the production cost is reduced, the energy consumption is saved, the emission of pollution gas is reduced, and the method has important significance for the green transformation development of the steel industry. The high-speed steel feeding area is one of important equipment areas in a high-bar production line and largely determines the production quality, rhythm and quality of the high-bar production line. When the speed of a rolled piece in a high-speed steel feeding area reaches 40m/s, if a field detection element thermal detection signal is unstable, the high-speed flying shear accurate shearing and the rotary drum accurate positioning are influenced, and further, the condition of steel scrap is caused, so that the process flow, the finished product quality and the yield of a subsequent production line are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem among the background art, the utility model provides a high-speed rod production line can avoid taking place the false signal and cause the on-the-spot steel scrap condition, improves the finished product quality and the output of rod.
The utility model discloses the technical scheme who adopts specifically as follows:
a high speed bar production line comprising:
a finish rolling area;
a high-speed steel feeding area connected with the finish rolling area;
the waste bin is positioned between the finish rolling area and the high-speed steel feeding area;
wherein, the exit in finish rolling district and all be provided with 2 at least proximity switches in the dump bin, proximity switch is connected with PLC control system.
Optionally, 4 proximity switches are provided at the outlet of the finishing section.
Optionally, the high-speed steel feeding area comprises a pinch roll, a gearbox pipeline of the pinch roll is provided with a pressure sensor, and the pressure sensor is connected with the PLC system.
Optionally, the method further comprises: the district is cut at a high speed, and the entry in the district is cut at a high speed is connected with the export in steel district on the high speed, and the entrance in the district is cut at a high speed is provided with 2 at least hot metal detectors, and hot metal detector is connected with PLC control system.
Optionally, at least 2 proximity switches are further provided at the outlet of the high speed shearing area.
Optionally, the method further comprises: and the drum cooling zone is connected with an outlet of the high-speed shearing zone, the drum cooling zone comprises a drum, at least 2 optical fiber type hot metal detectors are arranged on a drum channel on the drum, and the optical fiber type hot metal detectors are connected with the PLC control system.
Optionally, a cooling water pipe is arranged on the rotary drum, a pressure pump is arranged on a water inlet of the cooling water pipe, a flow meter and a pressure transmitter are arranged on an outlet pipe of the pressure pump, and the flow meter and the pressure transmitter are connected with the PLC control system.
Optionally, the number of the pinch rollers is 7, and a pressure sensor is arranged on a gearbox pipeline of each pinch roller.
Compared with the prior art, high-speed rod production line possess following beneficial effect at least:
high-speed rod production line include: a finish rolling area; a high-speed steel feeding area connected with the finish rolling area; the waste bin is positioned between the finish rolling area and the high-speed steel feeding area; the outlet of the finish rolling area and the inside of the waste bin are provided with at least 2 proximity switches, and the proximity switches are connected with a PLC control system. The export in finish rolling district with the dump bin all sets up 2 at least proximity switches, and this proximity switch is connected with PLC control system and can carries out the duplicate protection of steel scrap signal, avoids appearing false signal steel scrap. Furthermore, all be provided with pressure sensor on the gearbox pipeline of the pinch roll in high-speed steel feeding district, be provided with 2 at least hot metal detectors at the entrance in high-speed cutting district, be provided with 2 at least proximity switches in the exit of high-speed cutting, be provided with 2 at least optic fibre formula hot metal detectors on every rotary drum passageway in rotary drum cooling district, all insert PLC control system with above-mentioned detecting element, from this, the utility model discloses be provided with a plurality of detecting element in the same position that detects for detection signal is more reliable and stable, avoids appearing false signal scrap steel; in addition, the stable output of the signals enables the on-site detection points to normally operate, ensures stable production, reduces accident time and manual steel scrap treatment time, and improves the operation rate of equipment.
Drawings
Fig. 1 is a schematic structural view of a high-speed bar production line according to an embodiment of the present invention.
List of reference numerals:
1 heating furnace
2 rough rolling zone
3 middle rolling area
4 pre-finish rolling zone
5 finishing mill
Proximity switch of 6 finishing mill outlet
7 waste bin
71 proximity switch in waste bin
8 high-speed steel feeding area
81 pinch roll
82 pressure sensor
9 hot metal detector
10 high-speed scissors
Proximity switch of 11 high-speed shearing outlet
12 rotating drum
121 optical fiber type hot metal detector
122 cooling water pipeline
123 electromagnetic flowmeter
124 pressure transmitter
125 pressure pump
13 Cooling bed
14 cold bed run-out table
15 cold shears
16 finished product run-out table
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in FIG. 1, the high-speed bar production line comprises a heating furnace 1, a rough rolling area 2, an intermediate rolling area 3, a pre-finish rolling area 4, a finish rolling area, a high-speed steel feeding area 8, a high-speed shearing area and a drum cooling area. In the bar production process, qualified continuous casting billets are subjected to length measurement and weighing and then enter a heating furnace 1, and the heated billets are subjected to head cutting through a rough rolling area 1, a middle rolling area 2 and a pre-finish rolling area 3 and then enter a finish rolling area for rolling. And after the rolled piece is rolled, the high-speed multiple-length flying shears combined by the multiple-length shears perform multiple lengths on the rolled piece. The rolled piece after multiple length is conveyed to a cooling bed 13 by a rotary drum 12, then passes through a cooling bed output roller way 14 to a cold shear 15, and is output by a finished product output roller way 16 after cold shearing, and a bar finished product is obtained. In this process, in order to guarantee normal operating on the guide slot of rolled steel production line, avoid steel to break away from the guide slot or high-speed flying shear shearing and drum location are inaccurate and take place the steel scrap phenomenon in service, this embodiment provides a high-speed rod production line.
This embodiment high-speed rod production line includes heating furnace 1, rough rolling district 2, well rolling district 3, pre-finishing rolling district 4, finishing rolling district, high-speed steel feeding district 8, high-speed shearing and drum cooling district, and above-mentioned region connects gradually, and its relation of connection and structure are the structure commonly used among the prior art, no longer gives unnecessary details one by one here. The difference lies in that:
referring to fig. 1, the finishing area of the high-speed bar production line according to this embodiment includes a finishing mill 5, and a scrap box 7 is disposed between the finishing mill 5 and a high-speed steel feeding area 8 for storing scrap detected by the finishing mill. In order to generate a stable steel scrap signal, at least 2 proximity switches are arranged at the outlet of the finishing mill, and at least 2 proximity switches are also arranged in a scrap box connected with the outlet of the finishing mill 5 and used for detecting whether steel in the running process is in a guide groove; optionally, the number of proximity switches at the outlet of the finishing mill is 4. The proximity switch is connected with a PLC control system, and the PLC control system is specifically an S7-400 automatic control system; in the operation process, the proximity switch on the finishing mill or the proximity switch on the scrap box respectively carries out scrap steel detection, and no matter which one sends out a scrap steel signal, the scrap steel is processed.
The high speed steel feeding zone 8 comprises a pinch roll 81, the pinch roll 81 is positioned on the outlet line of the finishing mill, and the pinch roll 81 is used for conveying steel to the high speed shearing zone. In order to obtain a stable steel transmission signal, a gear box pipeline of each pinch roll 81 is provided with a pressure sensor 82, and the pressure sensors 82 are connected with a PLC (programmable logic controller) control system and used for detecting the pressure of lubricating oil in the gear box of the pinch roll. Optionally, the number of pinch rollers is 7.
The high-speed shearing area comprises high-speed shears 10, and at least 2 hot metal detectors 9 are arranged on a guide groove at the inlet of the high-speed shears 10; the outlet guide slot position of the high-speed shears 10 is provided with 2 proximity switches 11, wherein the high-speed shears 10 can be high-speed multiple-length flying shears, the hot metal detector 9 and the proximity switches 11 are both connected with a PLC control system, the hot metal detector 9 is used for detecting hot steel signals, and the proximity switches 11 are used for detecting scrap steel at the outlet of the high-speed shears.
The drum cooling zone comprises a drum 12, the drum comprises 2 drum channels, at least 2 optical fiber type hot metal detectors 121 are arranged at the entrance of each drum channel, and the optical fiber type hot metal detectors 121 are connected with a PLC control system and used for accurately measuring whether hot steel passes through the drum; in addition, a cooling water pipe 122 is provided on the rotary drum for cooling the rotary drum, and a pressure pump 125 is provided at a water inlet of the cooling water pipe 122 for maintaining a proper pressure and flow rate of the cooling water; further, an electromagnetic flow meter 123 and a pressure transmitter 124 are provided on an outlet pipe of the pressurizing pump 125, and the electromagnetic flow meter 123 and the pressure transmitter 124 are connected to a PLC control system for detecting and controlling the pressure and flow rate of the cooling water sent to the cooling water pipe.
In addition, it should be noted that the embodiment adopts double-line rolling, that is, double lines are formed from a finish rolling area, a high-speed steel feeding area, a high-speed shearing area to a drum cooling area; the sensing elements on the two lines are arranged identically as shown in fig. 1. The PLC control system adopted by the embodiment is an S7-400 automatic control system.
The detection signals of the detection elements are accessed into the PLC control system, and the detection elements are arranged at the same position for detection, so that the detection signals are more stable and reliable, and the occurrence of false signal steel scrap is avoided. In addition, the stable output of the signals enables the on-site detection points to normally run, the production stability is ensured, the accident time is reduced, the time for manually processing the scrap steel is reduced, and the equipment operation rate is improved.
The bar production line described in the embodiment is applied to production application, and calculated according to 10 times per month of steel scrap and 1 hour of fault treatment, the operation time can be increased by 10 hours per month, and the yield can be increased by 1500 tons. Therefore, the present embodiment reduces the failure rate of the device, and is particularly significant for the maintenance cost of the device.
To sum up, high-speed rod production line possess following beneficial effect at least:
high-speed rod production line include: a finish rolling area; a high-speed steel feeding area connected with the finish rolling area; the waste bin is positioned between the finish rolling area and the high-speed steel feeding area; the outlet of the finish rolling area and the inside of the waste bin are provided with at least 2 proximity switches, and the proximity switches are connected with a PLC control system. The export in finish rolling district with the dump bin all sets up 2 at least proximity switches, and this proximity switch is connected with PLC control system and can carries out the duplicate protection of steel scrap signal, avoids appearing false signal steel scrap. Furthermore, pressure sensors are arranged on pinch rolls of the high-speed steel feeding area, at least 2 hot metal detectors are arranged at an inlet of the high-speed shearing area, at least 2 proximity switches are arranged at an outlet of the high-speed shearing area, at least 2 optical fiber type hot metal detectors are arranged on each drum channel of the drum cooling area, the detection elements are all connected into a PLC control system, and due to the fact that a plurality of detection elements are arranged at the same detection position, detection signals are more stable and reliable, and false signals of scrap steel are avoided; in addition, the stable output of the signals enables the on-site detection points to normally operate, ensures stable production, reduces accident time and manual steel scrap treatment time, and improves the operation rate of equipment.
The specific embodiments are only for explaining the present invention, and not for limiting the present invention, and those skilled in the art can make modifications to the embodiments as required after reading the present specification, but all the embodiments are protected by the patent laws within the scope of the claims of the present invention.
Claims (8)
1. A high-speed bar production line, comprising:
a finish rolling area;
a high-speed steel feeding area connected with the finish rolling area;
the waste bin is positioned between the finish rolling area and the high-speed steel feeding area;
wherein, the exit in finish rolling district with all be provided with 2 at least proximity switches in the dump bin, proximity switch is connected with PLC control system.
2. High-speed bar production line according to claim 1, characterised in that at the outlet of the finishing section there are provided 4 proximity switches.
3. The high-speed bar production line of claim 1, wherein the high-speed steel feeding area comprises a plurality of pinch rollers, a gear box pipeline of each pinch roller is provided with a pressure sensor, and the pressure sensors are connected with the PLC control system.
4. The high-speed bar production line of claim 1, further comprising: the high-speed shearing area is connected with an outlet of the high-speed steel feeding area, at least 2 hot metal detectors are arranged at the inlet of the high-speed shearing area, and the hot metal detectors are connected with the PLC control system.
5. The high-speed bar production line of claim 4, wherein at least 2 proximity switches are further provided at the exit of the high-speed shearing section.
6. The high-speed bar production line of claim 4, further comprising: and the drum cooling zone is connected with an outlet of the high-speed shearing zone, the drum cooling zone comprises a drum, at least 2 optical fiber type hot metal detectors are arranged on a drum channel on the drum, and the optical fiber type hot metal detectors are connected with the PLC control system.
7. The high-speed bar production line of claim 6, wherein a cooling water pipe is arranged on the rotary drum, a pressure pump is arranged on a water inlet of the cooling water pipe, a flow meter and a pressure transmitter are arranged on an outlet pipe of the pressure pump, and the flow meter and the pressure transmitter are connected with the PLC control system.
8. A high-speed bar production line according to claim 3, wherein the number of said pinch rolls is 7, and a pressure sensor is provided on the gearbox line of each said pinch roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022005809.7U CN213826406U (en) | 2020-09-15 | 2020-09-15 | High-speed bar production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022005809.7U CN213826406U (en) | 2020-09-15 | 2020-09-15 | High-speed bar production line |
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| CN213826406U true CN213826406U (en) | 2021-07-30 |
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| CN202022005809.7U Active CN213826406U (en) | 2020-09-15 | 2020-09-15 | High-speed bar production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405992A (en) * | 2022-01-24 | 2022-04-29 | 中冶赛迪工程技术股份有限公司 | Production method and system for controlling shade and sun surfaces of double high-speed bars |
| CN114769309A (en) * | 2022-06-02 | 2022-07-22 | 中冶赛迪工程技术股份有限公司 | Production line and process for slitting high-speed bars |
-
2020
- 2020-09-15 CN CN202022005809.7U patent/CN213826406U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405992A (en) * | 2022-01-24 | 2022-04-29 | 中冶赛迪工程技术股份有限公司 | Production method and system for controlling shade and sun surfaces of double high-speed bars |
| CN114405992B (en) * | 2022-01-24 | 2023-11-28 | 中冶赛迪工程技术股份有限公司 | Production method and system for controlling double high-speed bar sunny and shady surfaces |
| CN114769309A (en) * | 2022-06-02 | 2022-07-22 | 中冶赛迪工程技术股份有限公司 | Production line and process for slitting high-speed bars |
| CN114769309B (en) * | 2022-06-02 | 2024-04-02 | 中冶赛迪工程技术股份有限公司 | High-speed bar cutting production line and process |
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