CN210614658U - Device for preventing entrance of acid rolling unit from escaping from strip - Google Patents
Device for preventing entrance of acid rolling unit from escaping from strip Download PDFInfo
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- CN210614658U CN210614658U CN201921529125.8U CN201921529125U CN210614658U CN 210614658 U CN210614658 U CN 210614658U CN 201921529125 U CN201921529125 U CN 201921529125U CN 210614658 U CN210614658 U CN 210614658U
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Abstract
The utility model discloses a device for preventing sour rolling mill group entry is escaped area, including the entry loop of decoiler, tension roller set, the rolling mill group that sets gradually, the position of tension roller set is higher than the position of entry loop, still including being used for the centre gripping location structure to preceding steel band afterbody centre gripping location, centre gripping location structure sets up between decoiler and tension roller set. The clamping and positioning structure is additionally arranged on the platform in front of the tension roller set to clamp and position the tail of the steel belt, the tail of the steel belt is prevented from sliding into the inlet loop, the clamping and positioning structure is opened after the butt joint end parts of the front steel belt and the rear steel belt are connected in a welded mode, operation is simple and convenient, long-time shutdown is avoided, and production and machining efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the rolling technique of steel band and specifically relates to a device for preventing sour rolling mill group entry from escaping area is related to.
Background
In the prior steel strip rolling process, the steel coil after the bundling is dismantled, and the steel coil is loaded on an uncoiler of an acid rolling unit by a steel coil small handle; after the steel coil is uncoiled on an uncoiler, the unqualified part of the head of the strip steel is cut off through double cutting, and then the steel coil is sent to a welding machine through a pinch roll and is welded with the tail of the prepared previous strip steel. The welded strip steel enters the inlet loop through the tension roller set.
Because the installation position of the tension roller group is higher than the inlet loop and a certain distance is kept between the tension roller group and the inlet loop. When the tension roller group gives an alarm, if the prepared tail of the previous strip steel leaves the uncoiler and is not welded with the head of the next strip steel, the tail of the previous strip steel is pulled into the inlet loop by the residual tension of the inlet loop strip steel, so that the production is interrupted for a long time; the operation is required to pull the tail part of the strip steel back to the welding machine through threading the leading rope, the welding machine is welded with the head of the next strip steel coil, the production can be continued, the operation is complicated, and the production and processing efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a device for preventing the entrance of an acid rolling mill from escaping from the strip, so as to prevent the strip steel from sliding into the loop of the entrance of the acid rolling mill.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the device for preventing the entry of the acid rolling unit from escaping from the strip comprises an uncoiler, a tension roller set and an entry loop of the rolling unit, wherein the entry loop is sequentially arranged, the position of the tension roller set is higher than that of the entry loop, the device further comprises a clamping and positioning structure for clamping and positioning the tail of a previous steel strip, and the clamping and positioning structure is arranged between the uncoiler and the tension roller set.
Furthermore, a steel belt welding area is arranged between the uncoiler and the tension roller set, and the clamping and positioning structure is arranged between the steel belt welding area and the tension roller set.
The clamping and positioning structure comprises a clamping plate, a front platform of the tension roller set and a driving structure used for driving the clamping plate to move up and down, and the clamping plate is located above the front platform of the tension roller set.
The driving structure comprises a pair of hydraulic cylinders which are oppositely arranged, and the tops of piston rods of the two hydraulic cylinders are respectively connected with the two sides of the clamping plate.
The clamping plate is a plastic plate.
The clamping plate is a steel plate, and a rubber pad is arranged on the lower surface of the steel plate.
Compared with the prior art, the utility model, have following advantage:
this prevent that sour rolling mill group entry from escaping device in area structural design is reasonable, adds a centre gripping location structure through the platform before the tension roller set and carries out the centre gripping location with the steel band afterbody, prevents that the belted steel afterbody from sliding into the entry loop, opens centre gripping location structure after the butt joint tip welded connection of front and back steel band gets up, and is easy and simple to handle, avoids shutting down for a long time, improves production machining efficiency.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the clamping and positioning structure of the present invention.
In the figure:
1. hydraulic cylinder I, 2, hydraulic cylinder II, 3, grip block, 4, tension roller set front platform.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1, the device for preventing the entrance of the acid rolling unit from escaping from the strip comprises an uncoiler, a tension roller set, an entrance loop of the acid rolling unit and a clamping and positioning structure for clamping and positioning the tail part of the previous steel strip, which are arranged in sequence; the position of the tension roller group is higher than that of the inlet loop, and the clamping and positioning structure is arranged between the uncoiler and the tension roller group.
A steel belt welding area is arranged between the uncoiler and the tension roller set, and the clamping and positioning structure is arranged between the steel belt welding area and the tension roller set.
The clamping and positioning structure comprises a clamping plate 3, a tension roller group front platform 4 and a driving structure for driving the clamping plate to move up and down, wherein the clamping plate 3 is positioned above the front platform of the tension roller group.
The driving structure comprises a pair of hydraulic cylinders which are oppositely arranged, and the tops of piston rods of the two hydraulic cylinders are respectively connected with the two sides of the clamping plate; two pneumatic cylinders are pneumatic cylinder I1 and pneumatic cylinder II 2 for setting up side by side.
The clamping plate is a plastic plate; or the clamping plate is a steel plate, the lower surface of the steel plate is provided with a rubber pad, the rubber pad is detachably arranged on the lower surface of the steel plate through a fastening piece, and the clamping plate can be detached and replaced after being worn.
The clamping and positioning structure is additionally arranged on the platform in front of the tension roller set to clamp and position the tail of the steel belt, the tail of the steel belt is prevented from sliding into the inlet loop, the clamping and positioning structure is opened after the butt joint end parts of the front steel belt and the rear steel belt are connected in a welded mode, operation is simple and convenient, long-time shutdown is avoided, and production and machining efficiency is improved.
Preferred specific examples are:
a clamping and positioning structure is added on a platform in front of the tension roller set; the clamping and positioning structure consists of two hydraulic cylinders with the same type and a clamping plate, wherein the clamping plate is a plastic plate, the length of the plastic plate is 1600mm, the width of the plastic plate is 500mm, and the thickness of the plastic plate is 200 mm.
The two hydraulic cylinders are respectively arranged on the operation side and the transmission side of the platform in front of the tension roller set, and piston rods of the hydraulic cylinders are respectively fixed with the two sides of the plastic plate. When the piston rod of the hydraulic cylinder extends out, the lower surface of the plastic plate is 400mm away from the upper surface of the platform in front of the tension roller group.
The lower surface of the plastic plate presses against the upper surface of the platform in front of the set of tension rollers when the cylinder rods of the hydraulic cylinders are retracted. The hydraulic cylinder is controlled by a hydraulic proportional valve, and the hydraulic proportional valve is controlled by an analog quantity output module of the PLC. The downward pressing force of the plastic plate can be controlled between 20 kilograms and 100 kilograms by operating the picture setting and controlling the proportional valve by the PLC.
When the tension roller group gives an alarm, the PLC receives an alarm signal sent by the tension roller group frequency converter, sets pressing force according to an operation picture, controls the action of the proportional valve and the hydraulic cylinder, presses the lower surface of the plastic plate on the upper surface of the platform in front of the tension roller group, and prevents the tail part of the strip steel from sliding into the inlet loop. When the fault treatment of the tension roller group frequency converter is finished, the clamping and positioning structure is inching opened through the operation box beside the tension roller, the strip steel is inching to the welding position and is welded with the strip head of the next coil of steel, and the operation is simple and convenient.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (6)
1. The utility model provides a prevent that sour rolling mill group entry from escaping device of area, includes the entry loop of decoiler, tension roller set, the rolling mill group that sets gradually, the position of tension roller set is higher than the position of entry loop, its characterized in that: the device also comprises a clamping and positioning structure for clamping and positioning the tail part of the previous steel belt, wherein the clamping and positioning structure is arranged between the uncoiler and the tension roller set.
2. The device for preventing the entrance of the pickling line from escaping from the strip as set forth in claim 1, wherein: a steel belt welding area is arranged between the uncoiler and the tension roller set, and the clamping and positioning structure is arranged between the steel belt welding area and the tension roller set.
3. The device for preventing the entrance of the pickling line from escaping from the strip as set forth in claim 2, wherein: the clamping and positioning structure comprises a clamping plate, a front platform of the tension roller set and a driving structure used for driving the clamping plate to move up and down, and the clamping plate is located above the front platform of the tension roller set.
4. The device for preventing the entrance of the pickling line from escaping from the strip as set forth in claim 3, wherein: the driving structure comprises a pair of hydraulic cylinders which are oppositely arranged, and the tops of piston rods of the two hydraulic cylinders are respectively connected with the two sides of the clamping plate.
5. The device for preventing the entrance of the pickling line from escaping from the strip as set forth in claim 3, wherein: the clamping plate is a plastic plate.
6. The device for preventing the entrance of the pickling line from escaping from the strip as set forth in claim 3, wherein: the clamping plate is a steel plate, and a rubber pad is arranged on the lower surface of the steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529125.8U CN210614658U (en) | 2019-09-16 | 2019-09-16 | Device for preventing entrance of acid rolling unit from escaping from strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529125.8U CN210614658U (en) | 2019-09-16 | 2019-09-16 | Device for preventing entrance of acid rolling unit from escaping from strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210614658U true CN210614658U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921529125.8U Active CN210614658U (en) | 2019-09-16 | 2019-09-16 | Device for preventing entrance of acid rolling unit from escaping from strip |
Country Status (1)
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| CN (1) | CN210614658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751504A (en) * | 2021-09-13 | 2021-12-07 | 本钢板材股份有限公司 | Mechanism for preventing tail from running out for pickling line |
-
2019
- 2019-09-16 CN CN201921529125.8U patent/CN210614658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751504A (en) * | 2021-09-13 | 2021-12-07 | 本钢板材股份有限公司 | Mechanism for preventing tail from running out for pickling line |
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