CN212442639U - Tail forming device in strip steel coiling process - Google Patents
Tail forming device in strip steel coiling process Download PDFInfo
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- CN212442639U CN212442639U CN202021563907.6U CN202021563907U CN212442639U CN 212442639 U CN212442639 U CN 212442639U CN 202021563907 U CN202021563907 U CN 202021563907U CN 212442639 U CN212442639 U CN 212442639U
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Abstract
The utility model discloses a tail forming device in a strip steel coiling process, which belongs to the technical field of strip steel finishing, and comprises a tensioning unit and a pre-bending unit which are continuously arranged along the running direction of strip steel and in front of a coiler mandrel, wherein the tensioning unit consists of a lower tensioning roller, an upper tensioning roller and a tensioning pressing cylinder which are arranged on a tensioning frame; the pre-bending unit consists of a pre-bending pressing cylinder, a pre-bending roller, an outlet deflection roller, a clamping and conveying pressing cylinder and an outlet clamping and conveying roller which are arranged on a pre-bending rack. The forming device leads the tail section of the strip steel to pass through the tensioning unit and the pre-bending unit in sequence before being wound into a winding drum of the coiler, and the tail section of the strip steel is pressed down by an upper tensioning roller of the tensioning unit to apply winding tension to a lower tensioning roller and pressed down by a pre-bending roller and an outlet pinch roller of the pre-bending unit to apply bending force to an outlet deflection roller. The utility model discloses can show and improve high strength or super thick belted steel afterbody bending forming ability and layer tensioning ability to improve finished product coil of strip shape quality greatly.
Description
Technical Field
The utility model belongs to the technical field of belted steel finishing, concretely relates to afterbody forming device in belted steel lapping technology effectively promotes especially excel in or super thick belted steel finished product and rolls up tight quality and finished product roll-form quality.
Background
In the strip steel finishing process, a plurality of raw material steel coils are uncoiled, clamped, straightened and then subjected to subsequent finishing (such as flattening, pickling and the like) and then coiled into coils, and particularly, the strip steel finishing process aims at the situation that the coiling of finished steel coils is poor, the forming of tail sections of strip steel is poor, the conditions of outward warping of strip tails or bulging of outer rings and the like are frequently caused by equipment configuration in the current process, and the problem of low shape quality of the finished coils is frequently solved. Similar steel coils can seriously influence the subsequent steel coil bundling operation, and the steel strip breakage condition in the processes of unloading, stacking, rewinding, delivery and transportation of a workshop occurs.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a afterbody forming device in belted steel lapping technology can effectively exert tensile force at the coil of strip batch in-process to promote the belted steel tail section and batch in-process afterbody preflex shaping effect, and guarantee finished product coil shape quality, be convenient for high strength or super thick belted steel beat smoothly and transport the demand with next delivery.
The utility model discloses a realize through following technical scheme:
the utility model provides a tail forming device in strip steel coiling process, which comprises a tensioning unit and a pre-bending unit which are continuously arranged along the running direction of strip steel and in front of a coiler mandrel, wherein the tensioning unit consists of a lower tensioning roller, an upper tensioning roller and a tensioning pressing cylinder which are arranged on a tensioning frame, the upper tensioning roller and the lower tensioning roller are correspondingly arranged up and down, and the tensioning pressing cylinder acts on the upper tensioning roller; the pre-bending unit consists of a pre-bending pressing cylinder, a pre-bending roller, an outlet deflection roller, a clamping and conveying pressing cylinder and an outlet clamping and conveying roller which are arranged on a pre-bending rack, the pre-bending roller, the outlet deflection roller and the outlet clamping and conveying roller are sequentially arranged in a vertical staggered mode, the pre-bending pressing cylinder acts on the pre-bending roller, and the clamping and conveying pressing cylinder acts on the outlet clamping and conveying roller.
Furthermore, the tensioning frame and the pre-bending frame both adopt independent door type frames and form an M-shaped arrangement structure. The stability of the upper tensioning roller and the pre-bending roller in a pressing application force state is improved, and the relative distance among the upper tensioning roller, the pre-bending roller and the outlet deflection roller can be determined according to the analysis and research of the specification and the strength performance of the strip steel, so that the expected bending forming effect of the strip tail can be ensured.
Furthermore, the tensioning unit adopts a three-roller symmetrical deviation straightening structure, the base of the lower tensioning roller is fixedly installed in the tensioning rack, the sliding groove in the base of the upper tensioning roller is mutually embedded with the sliding rail in the tensioning rack, and the pressing position of the upper tensioning roller in the lifting direction is set according to the thickness and the strength of the strip steel according to the tensioning force requirement. The roller type straightening structure tensioning unit can apply tensioning forces required by different specifications and different strengths of strip steel and can ensure that the surface of the strip steel is not scratched and the thickness of the strip steel is reduced.
Furthermore, a pre-bending roll, an outlet deflection roll and an outlet pinch roll in the pre-bending unit are in compact layout, a base of the outlet deflection roll is fixedly installed on a pre-bending rack, sliding chutes on bases of the pre-bending roll and the outlet pinch roll are respectively embedded with sliding rails on the pre-bending rack, and the pre-bending roll and the outlet pinch roll are respectively subjected to pressing position setting in the lifting direction according to the thickness and the strength of strip steel and according to the requirements of pre-bending degree.
Further, the pressing down action of the outlet pinch roll is synchronized with the pressing down action of the pre-bending roll. And the steel coil is synchronously put into the bending forming device to achieve the bending forming effect required by the finished steel coil.
Further, the forming device also comprises a lifting guide roller table arranged between the tensioning unit and the pre-bending unit. Not only ensures the smooth steel passing of the belt, but also improves the pre-bending forming effect of the belt tail.
Furthermore, the forming device also comprises an aligning device arranged on the upper edge part of the tensioning frame or the pre-bending frame, and the aligning device consists of a receiver positioned above the steel wire and a light emitting source positioned below the steel wire. The edge aligning effect is improved when the strip steel is coiled.
The utility model has the advantages that:
1. the utility model discloses a roll-type straightening type structure overspeed device tensioner both can exert the tensile force that different specifications different intensity belted steel needs and can guarantee that belted steel surface is not by fish tail and thickness attenuate again.
2. The utility model discloses a pinch roll and export deflection roller on preflex roll, the export adopt compact structure overall arrangement, and the pinch roll all need be thrown in step and can reach the bending forming effect that finished product coil of strip needs in the preflex roll and the export.
3. The utility model discloses a roll-type overspeed device tensioner and afterbody preflex device adopt independent door type frame and M shape to arrange and arrange, promote the stability under tensioning roller and the preflex roller screw down and put into use application of force state.
4. The utility model discloses can guarantee the crooked shaping effect of anticipated band tail according to the relative distance between tensioning roller, pre-bending roll and the export deflection roller that belted steel specification and intensity performance analysis research confirm.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic view along direction B of fig. 1.
Fig. 4 is a schematic view of fig. 1 taken horizontally along direction C.
Fig. 5 is a schematic view of fig. 1 taken along the direction C.
In the figure: the device comprises a coiler mandrel 1, a lifting guide roller table 2, a tensioning device frame 3, a lower tensioning roller 4, an upper tensioning roller 5, a tensioning roller lower cylinder 6, an edge aligning device 7, a pre-bending roller lower cylinder 8, a pre-bending device frame 9, a pre-bending roller 10, an outlet deflection roller 11, a clamping and pressing lower cylinder 12 and an outlet clamping and conveying roller 13.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
The strip steel, particularly high-strength or ultra-thick strip steel, is subjected to uncoiling, clamping and conveying, straightening and subsequent flattening or pickling in a finishing process, residual stress in the strip steel is greatly reduced due to straightening or flattening and the like, and the plate surface is also more straight. The high-strength or ultra-thick strip steel has to apply specific coiling tension in the coiling process to ensure the coiling quality of the finished steel coil, and the tail section of the strip steel in the coiling process of the strip tail has to have certain bending curvature to ensure the smooth circumferential bundling and the coiling quality of the finished steel coil. If a method for realizing the following functions and a corresponding device are not implemented, the shape quality of a finished product coil can be seriously influenced, and a plurality of problems of band breakage and the like in the subsequent steel coil transferring process are caused. The utility model discloses an export deflection roller entrance side compact arrangement can apply the pre-bending roll of different rolling reduction according to belted steel thickness and intensity, makes afterbody section belted steel form the crooked of last arch shape after arriving on the coiler drum. The tension rollers capable of applying different rolling reductions according to the thickness and the strength of the strip steel are arranged at specific distances on the inlet sides of the pre-bending rollers, so that not only is a certain winding tension kept on a strip steel section, but also the strip steel at the tail section between the tension rollers and the outlet deflection rollers can not be bent in a downward convex arc shape, and the problem that the shape quality of a finished steel coil is influenced by bulging of the outer ring of the finished steel coil or outward warping of the strip tail is solved.
As shown in fig. 1-4, the tail forming device in the strip steel coiling process in the embodiment includes a tensioning unit and a pre-bending unit which are continuously arranged along the strip steel running direction and in front of the coiler mandrel 1, the tensioning unit is composed of a lower tensioning roller 4, an upper tensioning roller 5 and a tensioning pressing cylinder 6 which are arranged on a tensioning frame 3, the tensioning unit adopts a three-roller symmetrical deviation straightening type structure, the upper tensioning roller 5 and the lower tensioning roller 4 are arranged up and down correspondingly, the tensioning pressing cylinder 6 acts on the upper tensioning roller 5, a base (not marked) of the lower tensioning roller 4 is fixedly installed in the tensioning frame 3, a sliding groove (not shown) on the base (not marked) of the upper tensioning roller 5 is mutually embedded with a sliding rail (not shown) on the tensioning frame 3, and the upper tensioning roller 5 can set a pressing position in the lifting direction according to the thickness and strength of the strip steel according to the requirement of the tensioning force; the pre-bending unit consists of a pre-bending pressing lower cylinder 8, a pre-bending roller 10, an outlet deflection roller 11, a pinch pressing lower cylinder 12 and an outlet pinch roller 13 which are arranged on a pre-bending frame 9, the pre-bending roller 10, the outlet deflection roller 11 and the outlet pinch roller 13 in the pre-bending unit adopt a compact layout, the pre-bending roll 10, the outlet deflection roll 11 and the outlet pinch roll 13 are sequentially arranged in a vertically staggered manner, the pre-bending pressing cylinder 8 acts on the pre-bending roll 10, the pinch pressing cylinder 12 acts on the outlet pinch roll 13, a base (not marked) of the outlet deflection roll 11 is fixedly installed on the pre-bending rack 9, sliding chutes (not shown) on respective bases (not marked) of the pre-bending roll 10 and the outlet pinch roll 13 are respectively embedded with sliding rails (not shown) on the pre-bending rack 9, and the pre-bending roll 10 and the outlet pinch roll 13 can be respectively set in pressing positions in the lifting direction according to the requirements of the thickness and the strength of strip steel according to the pre-bending degree.
By adopting the scheme, the special coiling tension must be applied to the high-strength or ultra-thick strip steel in the coiling process to ensure the coiling quality of the finished steel coil, and the tail section of the strip steel in the coiling process of the strip tail must have certain bending curvature to ensure the smooth circumferential bundling and the complete coiling quality of the finished steel coil. Roller type tensioning and tail pre-bending forming which are reasonably configured and arranged at the inlet of the coiling machine and require tension are achieved, and the tensioning function and the pre-bending function are achieved. The layout and the model selection of the independent M-shaped frame and the pre-bending roller close to the outlet deflection roller are adopted, so that the relative sliding surface of the lifting mechanism can be reduced, the problem that the roll body is not flat and twisted to influence the roll shape quality of a finished product due to the fact that the long-term sliding abrasion gap is too large is avoided, and the bending curved surface of the longitudinal cross section of the strip steel is always attached to the circumferential surface direction of the steel roll after the tail section of the strip steel leaves. The utility model discloses can show and improve high strength or super thick belted steel afterbody bending forming ability and layer tensioning ability to improve finished product coil of strip shape quality greatly.
The tensioning frame 3 and the pre-bending frame 9 in the embodiment both adopt independent door type frames and form an M-shaped arrangement structure. The stability of the upper tensioning roller and the pre-bending roller in a pressing application force state can be improved, and the expected bending forming effect of the belt tail can be ensured by determining the relative distance among the upper tensioning roller, the pre-bending roller and the outlet deflection roller according to the analysis and research of the specification and the strength performance of the strip steel.
The depressing action of the exit pinch roll 13 in the present embodiment is synchronized with the depressing action of the pre-bending roll 10. And the steel coil is synchronously put into the bending forming device to achieve the bending forming effect required by the finished steel coil.
The forming apparatus in this embodiment further comprises a lifting guide roller table 2 provided between the tensioning unit and the pre-bending unit. Not only ensures the smooth steel passing of the belt, but also improves the pre-bending forming effect of the belt tail.
In this embodiment, the receiver of the edge alignment device 7 is disposed on the upper beam of the steel passing wire between the independent gantry frames, and the light source of the edge alignment device 7 is disposed in the lower base region of the steel passing wire, so as to improve the edge alignment effect when the strip steel is rolled up.
The forming method of the present invention is explained in detail below, when the strip tail is rolled, the strip steel at the tail section will sequentially pass through the upper/lower tensioning roller, the lifting guide roller table, the pre-bending roller, the outlet deflection roller and the outlet pinch roller from left to right until the strip tail reaches the preset position of the winding drum of the rolling machine and stops; the necessary winding tension is applied by pressing down the upper tension roll during the winding process, and the necessary bending curvature is applied by pressing down the pre-bending roll. And controlling the upper tensioning roller to perform the setting of calculating the corresponding matched rolling reduction of-110 mm to-25 mm on the premise that the thickness of the strip steel is 1.2mm to 12.7mm and the yield strength is 250MPa to 1000MPa, and controlling the pre-bending roller and the outlet pinch roller to respectively perform the setting of calculating the matched corresponding rolling reduction of-295 mm to-70 mm on the premise that the thickness of the strip steel is 1.2mm to 12.7mm and the yield strength is 250MPa to 1000 MPa.
Example 1
In the tail positioning and coiling process, when the strip steel is 1.2-5.0 mm in thickness and 750-1000 MPa in strength, the initial position set by the pre-bending roller is not less than 235mm (position A in figure 5). The variable relation is as follows: the bending forming effect of the belt tail section can be ensured only by the implemented result, wherein the smaller the thickness is, the larger the rolling reduction of the pre-bending roller is, the larger the strength is, and the larger the rolling reduction of the pre-bending roller is.
Example 2
In the tail positioning and coiling process, when the strip steel is 5.0-9.0 mm in thickness and 500-750 MPa in strength, the initial position set by the pre-bending roller is not less than 155mm (position B in figure 5). The variable relation is as follows: the bending forming effect of the belt tail section can be ensured only by the implemented result, wherein the smaller the thickness is, the larger the rolling reduction of the pre-bending roller is, the larger the strength is, and the larger the rolling reduction of the pre-bending roller is.
Example 3
In the tail positioning and coiling process, when the strip steel is 9.0-12.7 mm in thickness and 250-500 MPa in strength, the initial position set by the pre-bending roller is not less than 75mm (position C in figure 5). The variable relation is as follows: the bending forming effect of the belt tail section can be ensured only by the implemented result, wherein the smaller the thickness is, the larger the rolling reduction of the pre-bending roller is, the larger the strength is, and the larger the rolling reduction of the pre-bending roller is.
Through the utility model discloses implement the afterbody preflex to belted steel in lapping technology and take shape, both guaranteed finished product coil of strip shape quality, be convenient for circumference again and tie up the stability of firmly guaranteeing in coil of strip transport and the transportation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The tail forming device in the strip steel coiling process is characterized by comprising a tensioning unit and a pre-bending unit which are continuously arranged along the running direction of strip steel and in front of a coiler mandrel (1), wherein the tensioning unit consists of a lower tensioning roller (4), an upper tensioning roller (5) and a tensioning pressing cylinder (6) which are arranged on a tensioning rack (3), the upper tensioning roller and the lower tensioning roller are arranged in a vertically corresponding manner, and the tensioning pressing cylinder acts on the upper tensioning roller; the pre-bending unit is composed of a pre-bending pressing cylinder (8), a pre-bending roller (10), an outlet deflection roller (11), a clamping and conveying pressing cylinder (12) and an outlet clamping and conveying roller (13) which are arranged on a pre-bending rack (9), the pre-bending roller, the outlet deflection roller and the outlet clamping and conveying roller are sequentially arranged in a vertical staggered mode, the pre-bending pressing cylinder acts on the pre-bending roller, and the clamping and conveying pressing cylinder acts on the outlet clamping and conveying roller.
2. The tail forming device in the strip steel coiling process according to claim 1, characterized in that the tensioning frame and the pre-bending frame are independent door type frames which form an M-shaped arrangement structure.
3. The tail forming device in the strip steel coiling process according to claim 1, wherein the tensioning unit is of a three-roller symmetrical deviation straightening structure, a base of the lower tensioning roller is fixedly installed in the tensioning rack, a sliding groove in a base of the upper tensioning roller is embedded with a sliding rail in the tensioning rack, and the upper tensioning roller is pressed down in the lifting direction according to the thickness and the strength of the strip steel according to the requirement of the tensioning force.
4. The tail forming device in the strip steel coiling process according to claim 1, wherein the pre-bending roll, the outlet deflection roll and the outlet pinch roll in the pre-bending unit are in a compact layout, a base of the outlet deflection roll is fixedly installed on a pre-bending rack, sliding chutes on respective bases of the pre-bending roll and the outlet pinch roll are respectively embedded with sliding rails on the pre-bending rack, and the pre-bending roll and the outlet pinch roll are respectively set at pressing positions in the lifting direction according to the thickness and the strength of strip steel according to the requirements of pre-bending degree.
5. The tail forming device in the strip steel coiling process as claimed in claim 1, wherein the pressing action of the outlet pinch roll is synchronous with the pressing action of the pre-bending roll.
6. The tail forming device in the strip steel coiling process according to claim 1, characterized in that the forming device further comprises a lifting guide roller table (2) arranged between the tensioning unit and the pre-bending unit.
7. The tail forming device in the strip steel coiling process according to claim 1, characterized in that the forming device further comprises an aligning device (7) arranged at the upper edge part of the tensioning frame or the pre-bending frame, and the aligning device consists of a receiver positioned above the steel wire and a light emitting source positioned below the steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021563907.6U CN212442639U (en) | 2020-07-31 | 2020-07-31 | Tail forming device in strip steel coiling process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021563907.6U CN212442639U (en) | 2020-07-31 | 2020-07-31 | Tail forming device in strip steel coiling process |
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| CN212442639U true CN212442639U (en) | 2021-02-02 |
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| CN202021563907.6U Active CN212442639U (en) | 2020-07-31 | 2020-07-31 | Tail forming device in strip steel coiling process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872157A (en) * | 2020-07-31 | 2020-11-03 | 中冶赛迪工程技术股份有限公司 | Tail forming device and method in strip steel coiling process |
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2020
- 2020-07-31 CN CN202021563907.6U patent/CN212442639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872157A (en) * | 2020-07-31 | 2020-11-03 | 中冶赛迪工程技术股份有限公司 | Tail forming device and method in strip steel coiling process |
| CN111872157B (en) * | 2020-07-31 | 2024-06-04 | 中冶赛迪工程技术股份有限公司 | Tail forming device and method in strip steel coiling process |
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